WO2024259675A1 - 一种电池测试装置 - Google Patents

一种电池测试装置 Download PDF

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Publication number
WO2024259675A1
WO2024259675A1 PCT/CN2023/101901 CN2023101901W WO2024259675A1 WO 2024259675 A1 WO2024259675 A1 WO 2024259675A1 CN 2023101901 W CN2023101901 W CN 2023101901W WO 2024259675 A1 WO2024259675 A1 WO 2024259675A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
testing device
battery
probe
battery testing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/101901
Other languages
English (en)
French (fr)
Inventor
成家务
龚雪清
周光伟
何木清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to EP23810276.8A priority Critical patent/EP4528297A1/en
Priority to CN202380059895.3A priority patent/CN119678059A/zh
Priority to PCT/CN2023/101901 priority patent/WO2024259675A1/zh
Priority to US18/518,775 priority patent/US20240429473A1/en
Publication of WO2024259675A1 publication Critical patent/WO2024259675A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G01R1/073—Multiple probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the field of battery technology, and in particular to a battery testing device.
  • the battery testing device includes a lifting mechanism and a probe mechanism, and the probe mechanism is fixedly connected to the lifting mechanism.
  • the probe mechanism includes a plurality of probes, and the spacing between the probes matches the spacing between the electrode terminals of each battery cell in the battery, and the spacing between the electrode terminals is determined by the size of the battery cell.
  • the lifting mechanism can push the probe mechanism to a position close to the battery so that the probe contacts the electrode terminals of the battery cell to test the battery.
  • the purpose of the embodiments of the present application is to provide a battery testing device, including but not limited to solving the problem that the battery testing device in the prior art cannot be quickly adapted to batteries composed of battery cells of different sizes, resulting in low testing efficiency of the battery testing device.
  • An embodiment of the present application provides a battery testing device, including: a lifting mechanism and a probe mechanism, the lifting mechanism is used to drive the probe mechanism to move; the probe mechanism includes an adapter bracket, and a plurality of first connecting members arranged on the adapter bracket, and the adapter bracket is detachably connected to the lifting mechanism.
  • the probe mechanism is detachably connected to the lifting mechanism through an adapter bracket.
  • the adapter bracket and the lifting mechanism can be separated first, and the probe mechanism can be taken out of the battery testing device to adjust the spacing between the probes outside the battery testing device. This can reduce the difficulty of operation and improve the adjustment efficiency, thereby shortening the time spent on adjusting the spacing between the probes, so that the battery testing device can be quickly adapted to batteries composed of battery cells of different sizes, thereby improving the testing efficiency of the battery testing device.
  • a spare probe mechanism can be provided.
  • the adapter bracket can be separated from the lifting mechanism, and the entire probe mechanism can be directly replaced to achieve rapid changeover to adapt to different types of battery cells, thereby improving the reliability of the battery. High testing efficiency.
  • one side of the adapter bracket is detachably connected to the lifting mechanism, and the other side is provided with two opposite first connecting parts, and a plurality of first connecting members are installed between the two first connecting parts.
  • two opposite first connecting parts are provided on the adapter bracket, and a plurality of first probes can be installed between the two first connecting parts.
  • the structure of the entire probe mechanism is relatively simple and has a larger operating space, which can facilitate the staff to adjust or maintain the first probes between the two first connecting parts.
  • the probe mechanism includes a first guide rail, two ends of the first guide rail are respectively connected to two first connecting parts, and a plurality of first probes are installed on the first guide rail.
  • a plurality of first probes are installed on the first guide rail between the two first connecting parts, which can simplify the structure of the probe mechanism and reduce the weight of the probe mechanism, making it easier for staff to disassemble the probe mechanism.
  • the probe mechanism includes a plurality of first guide rails arranged in parallel, and a distance between two adjacent first guide rails is adjustable.
  • the probe mechanism includes a plurality of first guide rails arranged in parallel, and the spacing between two adjacent first guide rails is adjustable.
  • the first probes installed on the plurality of first guide rails can contact multiple columns of electrode terminals in the battery, thereby enabling the probe mechanism to contact multiple columns of electrode terminals in the battery, and can be applicable to batteries composed of battery cells of different widths.
  • a second guide rail is disposed on the first connecting portion, and the first guide rail is slidably connected to the first connecting portion via the second guide rail.
  • the probe mechanism includes a second guide rail, through which the spacing between the first guide rails can be adjusted, so that the probe mechanism can be suitable for battery cells of different sizes, thereby making the battery testing device more compatible.
  • the probe mechanism further includes a plurality of first connecting members, the plurality of first connecting members are respectively connected to the first guide rail, and the plurality of first probes are mounted on the first guide rail via the plurality of first connecting members.
  • the first probes are installed on the first guide rail through a plurality of first connecting members, which can facilitate adjustment of the spacing between the first probes.
  • a second connecting portion is disposed on the first connecting member, a first slideway matching the second connecting portion is disposed on the first guide rail, and the second connecting portion is slidably connected to the first slideway.
  • the first connecting member is slidably connected to the first slide on the first guide rail through the second connecting portion, which can facilitate the staff to adjust the distance between two adjacent first connecting members on the first guide rail, thereby reducing the time used to adjust the distance between the first probes, thereby improving the testing efficiency of the testing device.
  • the lifting mechanism is provided with a plurality of first plug connectors spaced apart along the length direction of the first guide rail.
  • the adapter bracket is provided with a second plug-in component corresponding to the first plug-in component, and the second plug-in component is plug-connected with the corresponding first plug-in component.
  • the probe mechanism and the lifting mechanism are detachably connected by means of a second connector and a first connector that are plugged into each other, which can facilitate the staff to disassemble and install the probe mechanism, thereby improving the disassembly and installation efficiency of the probe mechanism, and further improving the testing efficiency of the battery testing device.
  • a first in-place detection sensor is disposed on the first connector, and the first in-place detection sensor is used to detect whether the second connector is plugged in place.
  • a position detection sensor is provided in the first connector, which can facilitate the battery testing device to obtain the installation status of the probe mechanism and effectively test the battery according to the installation status of the probe mechanism.
  • a first fixing member is disposed on the first connector, and the first fixing member is used to fix the second connector on the first connector.
  • a fixing piece is provided on the first connector, and the fixing piece can fix the second connector so as to stably mount the probe mechanism on the lifting mechanism, thereby improving the stability of the probe mechanism and further improving the accuracy of the test result.
  • the probe mechanism further includes a first electrical connector and a second electrical connector.
  • a plurality of first probes are electrically connected to the first electrical connector, the second electrical connector is electrically connected to a circuit in the battery testing device, and the first electrical connector is electrically connected to the second electrical connector.
  • the electrical connection between the probe mechanism and the battery testing device can be quickly established through the plug-in mating of the first electrical connector and the second electrical connector, and the electrical connection between the probe mechanism and the battery testing device can also be quickly disconnected, thereby greatly reducing the disassembly and installation time of the probe mechanism.
  • first connecting members are detachably connected to the first guide rail; a first connector is provided on the first connecting member, and the first connector is electrically connected to a first probe installed on the first connecting member; the battery testing device includes a second connector corresponding to the first connector, the second connector is detachably connected to the corresponding first connector, and the second connector is electrically connected to the circuit in the battery testing device.
  • the first connecting member and the first guide rail are detachably connected, and the first probe and the circuit are electrically connected through the detachably connected first connector and the second connector.
  • the first connecting member fails, the faulty first connecting member can be quickly replaced, which facilitates the staff to repair the probe mechanism.
  • At least a portion of the first connecting members are provided with temperature sensors, and the temperature sensors are used to detect the temperature of the battery cells.
  • a temperature sensor is provided on part of the first connecting member, and the temperature sensor can be used to monitor the temperature of the battery.
  • the temperature of the battery cell is detected, which is convenient for detecting the characteristic point temperature of the battery during the battery testing process.
  • a second in-place detection sensor is disposed on at least a portion of the first connecting member, and the second in-place detection sensor is used to detect whether the probe mechanism moves to the target position.
  • an in-place detection sensor is provided on part of the first connecting member, and the position of the probe mechanism can be detected by the in-place detection sensor, thereby reducing the probability of hard contact between the probe mechanism and the battery, thereby effectively protecting the probe mechanism.
  • the probe mechanism further includes a second connecting member mounted on the first connecting portion, and a second probe on the second connecting member is used to contact an end plate of the battery.
  • the battery testing device when the probe mechanism includes a second probe, can perform insulation testing on the battery, thereby expanding the application scope of the battery testing device.
  • the battery testing device further includes a supporting mechanism disposed in parallel with the probe mechanism, and the supporting mechanism is used to support the probe mechanism when the probe mechanism is separated from the lifting mechanism.
  • a support member is installed in the battery testing device, which can reduce the difficulty of disassembly and installation of the probe mechanism and realize rapid installation and disassembly of the probe mechanism, thereby improving the testing efficiency of the battery testing device.
  • FIG1 shows a schematic diagram of a battery testing scenario provided in some embodiments of the present application.
  • FIG. 2 shows a partial structural schematic diagram of a battery testing device provided in some embodiments of the present application.
  • FIG3 shows a schematic structural diagram of a lifting mechanism provided in some embodiments of the present application.
  • FIG. 4 shows a schematic structural diagram of a probe mechanism provided in some embodiments of the present application.
  • FIG5 is a schematic diagram showing a partial structure of a probe mechanism provided in some embodiments of the present application.
  • FIG. 6 is an enlarged schematic diagram of region A in FIG. 2 .
  • FIG. 7 is an enlarged schematic diagram of region B in FIG. 3 .
  • FIG. 8 shows a side view of a first connector provided in some embodiments of the present application.
  • FIG. 9 shows a side view of a first connecting member provided in some embodiments of the present application.
  • FIG. 10 shows a schematic diagram of the installation of a first connecting member provided in some embodiments of the present application.
  • FIG. 11 shows a side view of another first connecting member provided in some embodiments of the present application.
  • FIG. 12 shows a side view of another first connecting member provided in some embodiments of the present application.
  • FIG. 13 shows a partial schematic diagram of a probe mechanism provided in some embodiments of the present application.
  • the term "and/or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships.
  • a and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" in this article generally indicates that the associated objects before and after are in an "or" relationship.
  • the insulation and pressure resistance of the battery determine whether the battery can operate safely and reliably. Therefore, during the manufacturing process of the battery, the insulation and pressure resistance of the battery need to be tested.
  • the battery also known as a battery pack, can be composed of multiple battery cells connected in series and/or in parallel, or multiple battery modules connected in series and/or in parallel. Each battery module is composed of multiple battery cells (also called batteries) connected in series and/or in parallel.
  • the battery testing device includes a lifting mechanism and a probe mechanism, as well as a controller, a circuit, a pressure tester, a multimeter, etc., but is not limited thereto.
  • the lifting mechanism can drive the probe mechanism to lift and lower, push the probe mechanism to a position close to the battery, and make the probe in the probe mechanism contact the electrode terminal of the battery cell in the battery. After the test is completed, the lifting mechanism can drive the probe mechanism to lift and lower again, so that the probe is separated from the electrode terminal.
  • the probe in the probe mechanism is electrically connected to the relay in the circuit.
  • the controller can control each relay in the circuit to be in an on or off state, so as to connect each battery cell in the battery in series and/or in parallel, and connect the battery cells after series and/or parallel connection to a withstand voltage tester or a multimeter, and perform a withstand voltage test or an insulation test on the battery through the withstand voltage tester or the multimeter.
  • the distance between two adjacent probes in the probe mechanism corresponds to the distance between the electrode terminals of two adjacent battery cells in the battery.
  • each probe is fixedly mounted on the probe mechanism so that the distance between each probe is fixed, so that the battery test device can accurately test the battery composed of battery cells of a certain size.
  • the distance between the electrode terminals of two adjacent battery cells will change. It is necessary to adjust the distance between the probes to match the distance between the electrode terminals in the battery so that the probes can accurately contact the electrode terminals.
  • the probe mechanism is usually located inside the battery testing device, which is not convenient for the staff to operate directly, making it difficult to adjust the distance between the probes.
  • each probe is fixedly connected to the lifting mechanism, and the number of probes is relatively large. Therefore, it takes a long time to adjust the distance between the probes, resulting in the battery testing device may not be able to quickly adapt to batteries composed of battery cells of different sizes, reducing the testing efficiency of the battery testing device.
  • the present application provides a battery testing device, including: a lifting mechanism and a probe
  • the needle mechanism and the lifting mechanism are used to drive the probe mechanism to move;
  • the probe mechanism includes an adapter bracket and a plurality of first connecting members arranged on the adapter bracket, and the adapter bracket is detachably connected to the lifting mechanism.
  • the probe mechanism is detachably connected to the lifting mechanism via an adapter bracket.
  • the adapter bracket and the lifting mechanism can be separated first, and the probe mechanism can be taken out of the battery testing device to adjust the spacing between the probes outside the battery testing device. This can reduce the difficulty of operation and improve the adjustment efficiency, thereby shortening the time spent on adjusting the spacing between the probes, so that the battery testing device can be quickly adapted to batteries composed of battery cells of different sizes, thereby improving the testing efficiency of the battery testing device.
  • a spare probe mechanism may be provided.
  • the adapter bracket may be separated from the lifting mechanism, and the entire probe mechanism may be directly replaced, so as to achieve rapid model change to adapt to different types of battery cells, thereby improving the test efficiency.
  • the size of a battery cell generally corresponds to the model, and when the model of a battery cell is different, the size of the battery cell is usually different.
  • the battery testing device can quickly adapt to batteries composed of battery cells of different sizes, so the battery testing device can quickly switch between batteries composed of battery cells of different models, so that the battery testing device can quickly and flexibly adapt to batteries composed of battery cells of different models.
  • FIG1 shows a schematic diagram of a battery test scenario provided by some embodiments of the present application.
  • the battery test device 1 includes a host computer 11, a controller 12, a multimeter 13, a withstand voltage tester 14, a circuit 15, a probe mechanism 16, etc.
  • the host computer 11 can be a computer, a notebook, an industrial computer, etc.
  • the controller 12 can be, for example, a programmable logic controller (PLC), but is not limited thereto.
  • PLC programmable logic controller
  • the probes in the probe mechanism 16 can contact the electrode terminals of the battery cells included in the battery 2 to achieve electrical connection with the electrode terminals.
  • the circuit 15 includes a plurality of relays, which are connected in series and/or in parallel, and the plurality of probes in the probe mechanism 16 are respectively connected to different relays in the circuit 15. At the same time, some relays in the circuit 15 are electrically connected to the multimeter 13 and the withstand voltage tester 14.
  • the controller 12 is electrically connected to each relay in the circuit 15, and can control the relay to be in an on or off state.
  • the controller 12 can control the relay in the circuit 15 to be on or off, so as to connect the battery cells in the battery 2 in series and/or in parallel, and connect the battery cells after the series and/or parallel connection to the multimeter 13 or the withstand voltage tester 14, and then start the withstand voltage tester 14 to perform a withstand voltage test on the battery or start the multimeter 13 to perform an insulation test on the battery.
  • composition of the battery testing device may include but is not limited to the above examples.
  • FIG2 shows a partial structural diagram of a battery testing device provided in some embodiments of the present application.
  • the battery testing device includes a frame 31, a lifting mechanism 32 and a probe mechanism 33.
  • the rack 31 can be a frame structure assembled by a plurality of beams and a plurality of columns, with a first accommodating space 34 formed at the upper portion of the rack 31 and a second accommodating space 35 formed at the lower portion.
  • a probe mechanism 33 is installed at the upper portion of the first accommodating space 34, and a tray 36 for placing batteries is provided at the lower portion.
  • the second accommodating space 35 is used to place spare parts, for example, a spare probe mechanism 33 can be placed.
  • a lifting mechanism 32 is installed at the top of the rack 31, and the movable end of the lifting mechanism 32 extends into the first accommodating space 34 and is connected to the probe mechanism 33.
  • the direction Y is a vertical direction
  • the direction X is a horizontal direction perpendicular to the direction Y
  • the direction Z is another horizontal direction perpendicular to the direction X.
  • the top, upper part, and lower part are relative area divisions in the Y direction.
  • the lifting mechanism 32 can drive the probe mechanism 33 to rise and fall in the Y direction, so that the probes in the probe mechanism 33 can contact or separate from the electrode terminals of the battery cells in the battery.
  • the probe mechanism 33 moves to a position close to the battery placed on the tray 36, the probes in the probe mechanism 33 contact the electrode terminals in the battery, and the battery can be tested.
  • Fig. 3 shows a schematic diagram of the structure of a lifting mechanism provided in some embodiments of the present application.
  • the lifting mechanism 32 includes a mounting plate 322, which is fixedly connected to the crossbeam at the top of the frame 31, and the entire lifting mechanism 32 can be fixed to the top of the frame 31.
  • the lifting mechanism 32 also includes a movable plate 323, which constitutes the movable end of the lifting mechanism 32.
  • the movable plate 323 is located in the first accommodating space 34 and can be connected to the probe mechanism 33 to drive the probe mechanism 33 to rise and fall in the Y direction.
  • the driving member in the lifting mechanism 32 is a servo motor 324 shown in FIG3 , and the servo motor 324 is fixedly mounted on the mounting plate 322, and the movable end of the servo motor 324 is connected to the movable plate 323.
  • a plurality of linear bearings 325 are also arranged at intervals on the mounting plate 322, and the linear bearings 325 are fixedly connected to each other through a connecting plate 326, and the movable end of the linear bearing 325 is connected to the movable plate 323.
  • the movable plate 323 can be driven to perform linear motion in the Y direction, so as to drive the probe mechanism 33 to rise and fall in the Y direction.
  • a plurality of balancing cylinders 327 are also arranged at intervals on the mounting plate 322.
  • two balancing cylinders 327 can be arranged, and the two balancing cylinders 327 are symmetrically arranged on both sides of the servo motor 324.
  • the movable ends of the balancing cylinders 327 are connected to the movable plate 323, which can offset part or all of the weight of the movable plate 323 and the probe mechanism 33, and can reduce the load of the servo motor 324, thereby improving the stability of the battery testing device, extending the service life of the servo motor 324, and further improving the reliability of the battery testing device.
  • the specific structure and composition of the lifting mechanism 32 may include but are not limited to that shown in FIG. 3 .
  • the probe mechanism 33 includes an adapter bracket 332 and a plurality of first probes 331 disposed on the adapter bracket 332 .
  • the adapter bracket 332 is detachably connected to the lifting mechanism 32 .
  • the probe mechanism 33 is detachably connected to the lifting mechanism 32 through the adapter bracket 332, and the size of the battery cell is
  • the adapter bracket 332 and the lifting mechanism 32 can be separated first, and the probe mechanism 33 can be taken out of the battery testing device to adjust the spacing between the probes 331 outside the battery testing device. This can reduce the difficulty of operation and improve the adjustment efficiency, thereby shortening the time spent on adjusting the spacing between the probes 331, allowing the battery testing device to quickly adapt to batteries composed of battery cells of different sizes, thereby improving the testing efficiency of the battery testing device.
  • one side of the adapter bracket 332 is detachably connected to the lifting mechanism 32 , and the other side is provided with two opposite first connecting parts 333 , and a plurality of first connecting members 339 are installed between the two first connecting parts 333 .
  • FIG4 shows a schematic diagram of the structure of a probe mechanism provided in some embodiments of the present application.
  • the adapter bracket 332 is a strip plate, one side of the strip plate is detachably connected to the lifting mechanism 32, and the other side is provided with a first connecting portion 333 at one end along the X direction, and another first connecting portion 333 at the other end.
  • One end of the first connecting portion 333 is connected to the strip plate, and the other end extends a certain length in the direction away from the probe mechanism 33.
  • the two first connection parts 333 may be located at the two ends of the adapter bracket 332, or may be located near the end of the adapter bracket 332.
  • the first connection part 333 may be a connection plate as shown in FIG4, and one end of the first connection part 333 may be fixedly connected to the adapter bracket 332 by rivets and screws, or may be fixedly connected to the adapter bracket 332 by welding or gluing, or the two first connection parts 333 may be integrally formed with the adapter bracket 332.
  • the adapter bracket 332 and the two first connection parts 333 form an accommodation space for accommodating a plurality of first probes 331 on a side away from the lifting mechanism 32 , and the plurality of first probes 331 can be installed between the two first connection parts 333 .
  • the adapter bracket 332 and the first connecting portion 333 can be a hollow plate with a hollow area as shown in FIG. 4 , or a flat plate without a hollow area, or a flat plate or a curved plate with a certain curvature.
  • the specific structure of the adapter bracket 332 and the first connecting portion 333 can include but is not limited to the above examples.
  • first connecting parts 333 are set on the adapter bracket 332, and multiple first probes 331 can be installed between the two first connecting parts 333.
  • the structure of the entire probe mechanism 33 is relatively simple and has a larger operating space, which can facilitate the staff to adjust or maintain the first probes 331 between the two first connecting parts 333.
  • the probe mechanism 33 includes a first guide rail 334 , two ends of the first guide rail 334 are respectively connected to two first connecting parts 333 , and a plurality of first probes 331 are mounted on the first guide rail 334 .
  • Fig. 5 shows a partial structural schematic diagram of a probe mechanism provided in some embodiments of the present application.
  • the probe mechanism 33 includes two parallel first guide rails 334, the first guide rails 334 are arranged along the X direction, one end of the first guide rail 334 is connected to a first connecting portion 333, and the other end is connected to another first connecting portion 333.
  • the probe mechanism 33 may include one first guide rail 334 or multiple parallel first guide rails 334, each of which is A plurality of first connecting members 339 are mounted on the first guide rails 334 , and the first probes 331 may be mounted on the first connecting members 339 . At least one first probe 331 may be mounted on each first connecting member 339 .
  • the probe mechanism 33 When the probe mechanism 33 includes one first rail 334, a row of first probes 331 on the first rail 334 can contact a row of electrode terminals in the battery. When the probe mechanism 33 includes two parallel first rails 334, two rows of first probes 331 on the two first rails 334 are used to contact two rows of electrode terminals in the battery respectively.
  • the first guide rail 334 may be made of an insulating material with relatively high strength to carry a plurality of first connectors 339 , and may be insulated and isolated from the first probes 331 on the first connectors 339 , thereby improving the accuracy of the test.
  • a plurality of first probes are installed on the first guide rail between the two first connecting parts, which can simplify the structure of the probe mechanism and reduce the weight of the probe mechanism, making it easier for staff to disassemble the probe mechanism.
  • the probe mechanism 33 includes a plurality of first guide rails 334 arranged in parallel, and the distance between two adjacent first guide rails 334 is adjustable.
  • the probe mechanism 33 includes two first guide rails 334 .
  • the two first guide rails 334 are arranged in parallel, and the distance between the two first guide rails 334 is adjustable.
  • a second guide rail 335 is disposed on the first connection portion 333 , and the first guide rail 334 is slidably connected to the first connection portion 333 via the second guide rail 335 .
  • the second guide rail 335 may be installed at one end of the first connection portion 333 away from the adapter bracket 332 .
  • the second guide rail 335 is disposed along the Z direction, and the first guide rail 334 is perpendicular or nearly perpendicular to the second guide rail 335 .
  • the second guide rail 335 is provided with a second slideway 3316, and the end of the first guide rail 334 is located in the second slideway 3316. At the same time, the end of the first guide rail 334 is provided with a second fixing member 3315, and the second fixing member 3315 is used to fix the first guide rail 334 in the second slideway 3316.
  • the second fixing member 3315 may be a knob, which is rotatably connected to the end of the first guide rail 334, and the distance between the knob and the first guide rail 334 may be adjusted.
  • the knob When the knob is loosened, the distance between the knob and the first guide rail 334 is larger, and the first guide rail 334 may slide in the second slideway 3316, so that the position of the first guide rail 334 on the second guide rail 335 may be adjusted.
  • the distance between the knob and the first guide rail 334 is smaller, and the first guide rail 334 can be stuck in the second slideway 3316, so that the position of the first guide rail 334 on the second guide rail 335 can be fixed.
  • the distance between the two first guide rails 334 can be adjusted by adjusting the position of the first guide rail 334 on the second guide rail 335.
  • the two first probes 331 opposite to each other on the two first guide rails 334 are used to contact the two electrode terminals on the same battery cell respectively.
  • the probe mechanism 33 can be adapted to battery cells of different widths.
  • the second guide rail 335 may be fixedly mounted on the first connection portion 333 by rivets or screws. Alternatively, the second guide rail 335 may be integrally formed with the first connection portion 333.
  • the specific structure of the second guide rail 335 and the connection method between the second guide rail 335 and the first connection portion 333 and the first guide rail 334 may include but are not limited to the above examples.
  • the probe mechanism includes a second guide rail, through which the spacing between the first guide rails can be adjusted, so that the probe mechanism can be suitable for battery cells of different sizes, thereby making the battery testing device more compatible.
  • the lifting mechanism 32 is provided with a plurality of first connectors 321 spaced apart along the length direction of the first guide rail 334.
  • the adapter bracket 332 is provided with a second connector 336 corresponding to the first connector 321, and the second connector 336 is plug-connected with the corresponding first connector 321.
  • the first connector 321 may be a connector slot.
  • Two first connectors 321 are disposed at the bottom of the movable plate.
  • the two first connectors 321 are disposed at a certain distance along the X direction, so that the two first connectors 321 may be disposed at intervals along the length direction of the first guide rail 334 .
  • two second connectors 336 are arranged at intervals along the length direction of the first guide rail 334 on one side of the adapter bracket 332 away from the first guide rail 334.
  • the distance between the two first connectors 321 matches the distance between the two second connectors 336, and the shape of the first connector 321 matches the shape of the second connector 336.
  • the second connector 336 may be a flat connector as shown in FIG. 4
  • the first connector 321 may be a U-shaped connector as shown in FIG. 3 .
  • the size of the second connector 336 is slightly smaller than that of the first connector 321 , so that the second connector 336 can be inserted into the first connector 321 .
  • the probe mechanism 33 can be lifted to the upper part of the first accommodating space 34 so that the two second connectors 336 are respectively opposite to the two first connectors 321, and then the probe mechanism 33 is pushed along the Z direction so that the two second connectors 336 are respectively inserted into the corresponding first connectors 321, so that the probe mechanism 33 can be installed at the movable end of the lifting mechanism 32.
  • the probe mechanism 33 when the probe mechanism 33 needs to be removed from the battery testing device, the probe mechanism 33 can be pulled in the opposite direction of the Z direction.
  • the probe mechanism 33 When the second connector 336 is separated from the first connector 321, the probe mechanism 33 can be removed from the entire battery testing device.
  • the two first connectors 321 may be disposed on both sides of the lifting mechanism 32 , respectively, to improve the stability of the probe mechanism 33 .
  • the bottom of the lifting mechanism 32 can also be provided with 3, 4 or 5 first connectors 321 at intervals along the length direction of the first guide rail 334, and the adapter bracket 332 can be provided with a second connector 336 corresponding to each first connector 321.
  • first connector 321 may be a U-shaped slot as shown in FIG. 4 , or a C-shaped slot or a connector of other shapes, and the shapes and positions of each pair of second connectors 336 and first connectors 321 may match.
  • the probe mechanism and the lifting mechanism are detachably connected by means of a second connector and a first connector that are plugged into each other, which can facilitate the staff to disassemble and install the probe mechanism, thereby improving the disassembly and installation efficiency of the probe mechanism, and further improving the testing efficiency of the battery testing device.
  • the battery testing device further includes a support mechanism 37 arranged in parallel with the probe mechanism 33 , and the support mechanism 37 is used to support the probe mechanism 33 when the probe mechanism 33 is separated from the lifting mechanism 32 .
  • Fig. 6 shows an enlarged schematic diagram of area A in Fig. 2.
  • the support mechanism 37 includes a plurality of unpowered rollers 371 and a mounting track 372, wherein the unpowered rollers 371 are mounted in the mounting track 372, and the plurality of unpowered rollers can rotate in the mounting track 372.
  • two support mechanisms 37 are respectively provided at both ends of the probe mechanism 33.
  • the two support mechanisms 37 are located on one side of the lifting direction of the probe mechanism 33 and are arranged in parallel with the probe mechanism 33 in the first accommodation space 34.
  • the first connecting portion 333 corresponds to the non-powered roller 371 at the same end, is located above the non-powered roller 371 in the Y direction, and is spaced a certain distance from the non-powered roller 371.
  • the first connecting portion 333 can fall on the corresponding non-powered roller 371.
  • a second handle 3317 is provided on the adapter bracket 332. During the process of disassembling the probe mechanism 33, the probe mechanism 33 can be pulled in the opposite direction of the Z direction by the second handle 3317.
  • the two second guide rails 335 can respectively fall on a corresponding set of support mechanisms 37 and slide on the support mechanisms 37.
  • the probe mechanism 33 can be removed from the two support mechanisms 37 and taken out of the first accommodating space 34, thereby completing the disassembly of the probe mechanism 33.
  • the probe mechanism 33 can first be placed on the support mechanisms 37 at both ends, and then the probe mechanism 33 can be pushed along the Z direction. Under the action of the support mechanism 37, the second connector 336 can be inserted into the corresponding first connector 321 to complete the installation of the probe mechanism 33.
  • support mechanism 37 may include but are not limited to the above examples.
  • a support member is installed in the battery testing device, which can reduce the difficulty of disassembly and installation of the probe mechanism and realize rapid installation and disassembly of the probe mechanism, thereby improving the testing efficiency of the battery testing device.
  • the battery testing device further includes a safety mechanism.
  • the safety mechanism is, for example, the safety grating 39 shown in FIG. 2 .
  • a set of safety gratings 39 can be respectively provided at both ends of the probe mechanism 33 .
  • the safety gratings 39 are electrically connected to the controller in the battery testing device. After the battery testing device is started, when foreign matter enters the first accommodation space 34 from both ends of the probe mechanism 33 , the safety grating 39 can send an alarm signal to the controller. After receiving the alarm signal, the controller The battery test device can be controlled to stop.
  • the safety mechanism may further include a safety switch 310, which is disposed on the frame 31 and electrically connected to the controller.
  • the safety switch 310 is in a closed state and may send a closed signal to the controller. After receiving the closed signal, the controller controls the battery testing device to operate normally.
  • the staff can manually disconnect the safety switch 310, and the safety switch 310 can send a disconnection signal to the controller. After receiving the disconnection signal, the controller controls the battery testing device to shut down and prohibits the battery testing device from starting and running.
  • the installation switch 310 can be set to facilitate the staff to manually stop the battery testing device during the maintenance of the battery testing device, reduce the probability of the battery testing device being accidentally started during the maintenance process, effectively protect the staff, and thus improve the safety and reliability of the battery testing device.
  • the safety mechanism may include a safety assembly consisting of a safety beam 38 and a switch element (not shown) located at the bottom of the safety beam 38, and the switch element is electrically connected to the controller.
  • the safety beam 38 is placed on the switch element to close the switch element, and the switch element sends a closing signal to the controller, and the controller controls the battery testing device to operate normally.
  • the staff can remove the safety beam 38 from the switch element to disconnect the switch element and send a disconnection signal to the controller. After receiving the disconnection signal, the controller controls the battery test device to shut down and prohibits the battery test device from starting and running.
  • the safety beam 38 and the switch element can facilitate the staff to manually stop the battery testing device during the maintenance of the battery testing device, reduce the probability of the battery testing device being accidentally started during the maintenance process, and effectively protect the staff, thereby improving the safety and reliability of the battery testing device.
  • a first fixing member 3212 is disposed on the first connector 321 , and the first fixing member 3212 is used to fix the second connector 336 on the corresponding first connector 321 .
  • Fig. 7 shows an enlarged schematic diagram of the B area in Fig. 3.
  • the first fixing member 3212 is, for example, a cylindrical pin, and pin holes are provided at corresponding positions of the first plug-in member 321 and the second plug-in member 336.
  • One end of the cylindrical pin is connected to the first handle 3211, and the other end extends in the direction of the second plug-in member 336 and is inserted into the pin hole on the second plug-in member 336.
  • the cylindrical pin Before installing the probe mechanism 33, the cylindrical pin can be pulled out of the first connector 321 through the first handle 3211, and after the second connector 336 is inserted into the first connector 321 and the pin holes of the second connector 336 and the first connector 321 are aligned, the cylindrical pin can be inserted into the pin holes of the second connector 336 and the first connector 321 through the first handle 3211 to fix the second connector 336 in the first connector 321, so that the probe mechanism 33 can be fixed on the lifting mechanism. 32 bottom.
  • a fixing piece is provided on the first connector, and the fixing piece can fix the second connector so as to stably mount the probe mechanism on the lifting mechanism, thereby improving the stability of the probe mechanism and further improving the accuracy of the test result.
  • a stopper 3214 may be provided on the first connector 321, and the stopper may limit the insertion position of the second connector 336.
  • the stopper 3214 may be a baffle formed integrally with the first connector 321, and during the process of inserting the second connector 336 into the first connector 321, the baffle may limit the insertion position of the second connector 336, thereby facilitating the staff to quickly install the probe mechanism 33 at the bottom of the lifting mechanism 32.
  • a first in-place detection sensor 3213 is disposed on the first connector 321 , and the first in-place detection sensor 3213 is used to detect whether the second connector 336 is plugged in place.
  • FIG8 shows a side view of a first connector provided in some embodiments of the present application.
  • a first in-place detection sensor 3213 is provided in the first connector 321, and the first in-place detection sensor 3213 can be a proximity switch, and the proximity switch is electrically connected to the controller.
  • the proximity switch can be triggered to close, and the proximity switch can send a closing signal to the controller.
  • the proximity switch is in an open state, and the proximity switch can send a disconnection signal to the controller.
  • the controller After receiving the closing signal, the controller can determine that the second connector 336 is plugged in place and can start testing the battery. After receiving the disconnection signal, the controller can determine that the second connector 336 is not plugged in place and can prohibit the battery test device from starting and running.
  • the first in-position detection sensor may include but is not limited to the proximity switch in the above example.
  • a position detection sensor is provided in the first connector, which can facilitate the battery testing device to obtain the installation status of the probe mechanism and effectively test the battery according to the installation status of the probe mechanism.
  • the probe mechanism 33 further includes a first electrical connector 337 and a second electrical connector 338.
  • the plurality of first probes 331 are electrically connected to the first electrical connector 337
  • the second electrical connector 338 is electrically connected to the circuit in the battery testing device
  • the first electrical connector 337 is electrically connected to the second electrical connector 338.
  • the first electrical connector 337 can be a socket of a Harding connector
  • the second electrical connector 338 can be a plug of a Harding connector.
  • the socket and the plug are plugged together to form a Harding connector.
  • the socket can be fixedly mounted on a side of the adapter bracket 332 away from the first guide rail 334, and the plug is plugged into the socket.
  • the first probe 331 on each first connector 339 is electrically connected to a terminal in the socket through a wire.
  • the terminal on the plug is electrically connected to a relay in the circuit.
  • the first probe 331 can be connected to the socket.
  • Pin 331 is electrically connected to the circuit.
  • first electrical connector 337 and the second electrical connector 338 may also be other types of electrical connectors, including but not limited to Harding connectors.
  • first electrical connector 337 and the second electrical connector 338 are detachable, when the probe mechanism 33 needs to be removed from the battery testing device, the first electrical connector 337 and the second electrical connector 338 can be separated first to disconnect the electrical connection between the probe mechanism 33 and the circuit, and then the probe mechanism 33 can be removed from the battery testing device.
  • the probe mechanism 33 may be first installed in the battery testing device, and then the second electrical connector 338 may be plugged into the first electrical connector 337 , so that the electrical connection between the probe mechanism 33 and the circuit may be quickly established.
  • a wiring mechanism is provided on the lifting mechanism 32, such as a tank chain 328, and the tank chain 328 is used to arrange the connection between the second electrical connector 338 and the circuit.
  • a plurality of tank chains 328 can be provided in the lifting mechanism 32, so that the connection lines of different voltage levels can be arranged in different tank chains.
  • the electrical connection between the probe mechanism and the battery testing device can be quickly established through the plug-in mating of the first electrical connector and the second electrical connector, and the electrical connection between the probe mechanism and the battery testing device can also be quickly disconnected, thereby greatly reducing the disassembly and installation time of the probe mechanism.
  • multiple first connectors 339 are detachably connected to the first guide rail 334; a first connector 3310 is provided on the first connector 339, and the first connector 3310 is electrically connected to the first probe 331 installed on the first connector 339; the battery testing device includes a second connector 3311 corresponding to the first connector 3310, the second connector 3311 is detachably connected to the corresponding first connector 3310, and the second connector 3311 is electrically connected to the circuit in the battery testing device.
  • Fig. 9 shows a side view of a first connector provided in some embodiments of the present application.
  • the first connector 339 can be a strip-shaped connector block, including a first bending portion 3391 located at one end of the first connector 339, and a second bending portion 3392 located at the other end, and the first bending portion 3391 and the second bending portion 3392 are located on the same side of the first connector 339.
  • the first connector 3310 is disposed on a side of the first bending portion 3391 close to the second bending portion 3392, and the second connector 3311 is disposed on a side of the first bending portion 3391 away from the second bending portion 3392.
  • a through hole is disposed on the first bending portion 3391, and the first connector 3310 is detachably connected to the second connector 3311 after passing through the through hole, and is electrically connected to the second connector 3311.
  • a plurality of first probes 331 are disposed on the second bending portion 3392, for example, 2, 3 or 4 first probes 331 may be disposed.
  • a wire can be set between the first probe 331 and the first connector 3310, one end of the wire is welded to the first probe 331, and the other end is welded to the first connector 3310 to achieve electrical connection between the first probe 331 and the first connector 3310, thereby achieving electrical connection between the first probe 331 and the second connector 3311.
  • a second connecting portion 3393 is disposed on the first connecting member 339
  • a first slideway 3341 matching the second connecting portion 3394 is disposed on the first guide rail 334
  • the second connecting portion 3393 is slidably connected to the first slideway 3341 .
  • FIG10 shows a schematic diagram of the installation of a first connecting member provided in some embodiments of the present application.
  • a second connecting portion 3393 is provided on the first connecting member 339, and the second connecting portion 3393 is located between the first bending portion 3391 and the second bending portion 3392, and a screw hole 3394 is provided on the second connecting portion 3393.
  • a first slideway 3341 matching the shape and size of the second connecting portion 3393 is provided on the first guide rail 334, and the second connecting portion 3393 is located in the first slideway 3341, and the second connecting portion 3393 can drive the first connecting member 339 to slide in the first slideway 3341.
  • a screw may be provided in the screw hole 3394 so as to abut against the side wall of the first slideway 3341 to fix the first connecting member 339 on the first guide rail 334 .
  • the first connector 339 fails, for example, the first probe 331 on the first connector 339 is damaged and cannot be used normally, the first connector 3310 and the second connector 3311 on the first connector 339 can be separated first, and then the failed first connector 339 can be removed from the first guide rail 334. Then, the normal first connector 339 can be installed on the first guide rail 334, and the corresponding second connector 3311 can be connected to the first connector 3310, so that the failed first connector 339 in the probe mechanism 33 can be quickly replaced.
  • the first probe 331 can be connected to the first electrical connector 337 through the electrically connected first connector 3310 and second connector 3311, so that the first electrical connector 337 and the second electrical connector 338 can be electrically connected to the circuit through the plug-in mating.
  • first connecting member and the first guide rail may also be detachably connected in other ways, and specific ways of detachably connecting may include but are not limited to the above examples.
  • the position of the first connector on the first rail is adjustable, which can facilitate the staff to adjust the distance between two adjacent first connectors on the first rail, so that the probe mechanism can be suitable for battery cells of different thicknesses, thereby improving the compatibility of the battery testing device.
  • the first connecting member and the first guide rail are detachably connected, and the first probe and the circuit are electrically connected through the detachably connected first connector and the second connector.
  • the first connecting member fails, the faulty first connecting member can be quickly replaced, which facilitates the staff to repair the probe mechanism.
  • a temperature sensor 3312 is disposed on at least a portion of the first connecting member 339 , and the temperature sensor 3312 is used to detect the temperature of the battery cell.
  • Fig. 11 shows a side view of another first connecting member provided in some embodiments of the present application.
  • the first connecting member 339 is also provided with a temperature sensor 3312, which may be a temperature probe.
  • multiple terminals can be respectively set on the first connector 3310 and the second connector 3311, the first probe 331 can be electrically connected to the first electrical connector 337 through a pair of terminals, and the temperature probe can be electrically connected to the first electrical connector 337 through another pair of terminals. Then, the first probe 331 can be electrically connected to the circuit through the first electrical connector 337 and the second electrical connector 338 that are plugged in, and the temperature probe can be electrically connected to the controller through the first electrical connector 337 and the second electrical connector 338 that are plugged in.
  • the temperature probe may contact the electrode terminal of the battery cell, sample the temperature of the battery cell, and send the sampled temperature value to the controller.
  • Specific types of temperature sensors may include but are not limited to the above examples.
  • the probe mechanism includes multiple first connectors, some of which are provided with temperature sensors. Multiple temperature sensors can be arranged on multiple first connectors at different positions to detect the temperature of battery cells at different positions in the battery.
  • a temperature sensor is provided on part of the first connecting members, and the temperature of the battery cells in the battery can be detected by the temperature sensor, so as to facilitate the detection of the characteristic point temperature of the battery during the battery testing process.
  • a second in-place detection sensor 3313 is disposed on at least a portion of the first connecting member 339 , and the second in-place detection sensor 3313 is used to detect whether the probe mechanism 33 moves to the target position.
  • Fig. 12 shows a side view of another first connecting member provided in some embodiments of the present application.
  • the first connecting member 339 is also provided with a second in-place detection sensor 3313, which is, for example, a proximity switch, including a trigger probe 33131 and a sensing component 33132, and the trigger probe 33131 is arranged in parallel with the first probe 331.
  • a second in-place detection sensor 3313 which is, for example, a proximity switch, including a trigger probe 33131 and a sensing component 33132, and the trigger probe 33131 is arranged in parallel with the first probe 331.
  • the sensing component 33132 may also be electrically connected to the first electrical connector 337 through a pair of wiring terminals in the first connector 3310 and the second connector 3311, and then electrically connected to the controller through the first electrical connector 337 and the second electrical connector 338 that are plugged in.
  • the target position may be the stop position of the probe mechanism 33 during the descent process, and when the probe mechanism 33 moves to the target position, the first probe 331 effectively contacts the electrode terminal in the battery without damaging the first probe 331.
  • the target position may be flexibly set according to actual needs.
  • the trigger probe 33131 contacts the battery cell, causing the trigger probe 33131 to move toward the direction close to the first connector 3310, and the trigger sensing component 33132 sends a stop signal to the controller. After receiving the stop signal, the controller controls the lifting mechanism 32 to stop running.
  • the probe mechanism includes a plurality of first connecting members 339, and some of the plurality of first connecting members 339
  • the first connecting member 339 is provided with a second in-place detection sensor 3313 , and a plurality of second in-place detection sensors 3313 may be provided on a plurality of first connecting members 339 at different positions.
  • an in-place detection sensor is provided on part of the first connecting member, and the position of the probe mechanism can be detected by the in-place detection sensor, thereby reducing the probability of hard contact between the probe mechanism and the battery, thereby effectively protecting the probe mechanism.
  • the probe mechanism 33 further includes a second connecting member 3314 mounted on the first connecting portion 333 , and a second probe 3319 on the second connecting member 3314 is used to contact the end plate of the battery.
  • Fig. 13 shows a partial schematic diagram of a probe mechanism provided in some embodiments of the present application.
  • the probe mechanism 33 also includes a second connecting member 3314, which is located between the two first guide rails 334, and the second connecting member 3314 is installed on the side of the second guide rail 335 close to the first guide rail 334 through a structural member 3318.
  • the second connector 3314 and the first connector 339 may be connectors of the same structure, and one or more second probes 3319 are disposed on the second connector 3314.
  • the second connector 3314 and the first connector 339 are located at the same or similar height. During the test, when the probe mechanism 33 moves to the target position, the second probe 3319 may contact the end plate of the battery.
  • the second connecting member 3314 is provided with a detachably connected first connector 3310 and a second connector 3311, and the second probe 3319 can be first connected to the first electrical connector 337 through the electrically connected first connector 3310 and the second connector 3311, and then electrically connected to the circuit through the plug-in mating first connector 337 and the second connector 338.
  • the second connection member 3314 may be disposed on one of the first connection parts 333, or two second connection members 3314 may be disposed on two first connection parts 333.
  • the specific connection relationship between the first connection part 333 and the second connection member 3314 may include but is not limited to the above examples.
  • the controller may connect the battery cells in the battery in series through a circuit, and then connect the battery cells and the end plates connected in series to the two ends of the multimeter respectively, so as to perform an insulation test on the battery.
  • the battery testing device when the probe mechanism includes a second probe, can perform insulation testing on the battery, thereby expanding the application scope of the battery testing device.

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Abstract

一种电池测试装置，涉及电池技术领域。电池测试装置包括：升降机构（32）和探针机构（33），升降机构（32）用于驱动探针机构（33）运动，探针机构（33）包括转接支架（332），以及设置于转接支架（332）的多个第一探针（331），转接支架（332）与升降机构（32）可拆卸连接。可以使电池测试装置快速适用由不同尺寸的电池单体组成的电池，从而可以提高电池测试装置的测试效率。

Description

一种电池测试装置 技术领域
本申请涉及电池技术领域，具体涉及一种电池测试装置。
背景技术
目前，主要通过电池测试装置对电池的绝缘性和耐压性等进行测试。电池测试装置包括升降机构和探针机构，探针机构与升降机构固定连接。探针机构包括多个探针，探针之间的间距与电池中各电池单体的电极端子之间的间距匹配，电极端子之间的间距由电池单体的尺寸决定。升降机构可以将探针机构推送到靠近电池的位置，使探针与电池单体的电极端子接触，以对电池进行测试。
其中，为了使探针可以准确、可靠地与电极端子接触，多个探针通常固定安装在升降机构上，因此各探针之间的间距是固定的。当电池单体的尺寸发生变化时，需要对各探针之间的间距进行调整，使各探针之间的间距可以与电极端子之间的间距匹配。
在调整各探针之间的间距时，由于探针数量较多、且各探针均固定安装在升降机构上，因此可能需要花费较长的时间对各探针之间的间距进行调整，导致电池测试装置可能无法快速适用由不同尺寸的电池单体组成的电池，降低了电池测试装置的测试效率。
申请内容
本申请实施例的目的在于：提供一种电池测试装置，包括但不限于解决现有技术中电池测试装置无法快速适用由不同尺寸的电池单体组成的电池，使得电池测试装置的测试效率低的问题。
本申请实施例提供一种电池测试装置，包括：升降机构和探针机构，升降机构用于驱动探针机构运动；探针机构包括转接支架，以及设置于转接支架的多个第一连接件，转接支架与升降机构可拆卸连接。
其中，探针机构通过转接支架与升降机构可拆卸连接，在电池单体的尺寸发生变化、需要调整各探针之间的间距时，可以先分离转接支架和升降机构，将探针机构从电池测试装置中取出，以在电池测试装置的外部对各探针之间的间距进行调整，可以降低操作难度，提高调整效率，从而可以缩短调整各探针之间的间距时所耗费的时间，使电池测试装置可以快速适用由不同尺寸的电池单体组成的电池，进而可以提高电池测试装置的测试效率。
或者，可以设置备用的探针机构。在电池单体尺寸发生变化时，可以将转接支架与升降机构分离，直接更换整个探针机构，实现快速换型以适配不同型号的电池单体，从而提 高测试效率。
在一些实施例中，转接支架的一侧与升降机构可拆卸连接，另一侧设置有相对的两个第一连接部，多个第一连接件安装在两个第一连接部之间。
本申请实施例中，转接支架上设置相对的两个第一连接部，多个第一探针可以安装在两个第一连接部之间，整个探针机构的结构比较简单，并且具有较大的操作空间，可以便于工作人员调整或维护两个第一连接部之间的第一探针。
在一些实施例中，探针机构包括第一导轨，第一导轨的两端分别与两个第一连接部连接，多个第一探针安装在第一导轨。
本申请实施例中，多个第一探针安装在两个第一连接部之间的第一导轨上，可以简化探针机构的结构，并且可以降低探针机构的重量，便于工作人员对探针机构进行拆卸。
在一些实施例中，所述探针机构包括并列的多条所述第一导轨，相邻的两条所述第一导轨之间的间距可调。
本申请实施例中，探针机构包括并列多条第一导轨，相邻的两条第一导轨之间的间距可调，多条第一导轨上安装的第一探针可以与电池中的多列电极端子接触，从而可以使探针机构可以与电池中多列电极端子接触，并且可以适用由不同宽度的电池单体组成的电池。
在一些实施例中，第一连接部上设置有第二导轨，第一导轨通过第二导轨与第一连接部滑动连接。
本申请实施例中，探针机构中包括第二导轨，通过第二导轨可以调节第一导轨之间的间距，可以使探针机构可以适用不同尺寸的电池单体，从而可以使电池测试装置具有较大的兼容性。
在一些实施例中，探针机构还包括多个第一连接件，多个第一连接件分别与第一导轨连接，多个第一探针通过多个第一连接件安装在第一导轨上。
本申请实施例中，第一探针通过多个第一连接件安装在第一导轨上，可以便于调整第一探针之间的间距。
在一些实施例中，所述第一连接件上设置有第二连接部，所述第一导轨上设置有与所述第二连接部匹配第一滑道，所述第二连接部与所述第一滑道滑动连接。
本申请实施例中，第一连接件通过第二连接部与第一导轨上的第一滑道滑动连接，可以便于工作人员调整第一导轨上相邻的两个第一连接件之间的间距，从而可以降低调整第一探针之间的间距时所用的时间，进而提高测试装置的测试效率。
在一些实施例中，升降机构上设置有多个沿第一导轨的长度方向间隔设置的第一插接 件。转接支架上设置有与第一插接件对应的第二插接件，所述第二插接件与对应的所述第一插接件插接连接。
本申请实施例中，探针机构与升降机构通过插接配合的第二插接件和第一插接件实现可拆卸连接，可以便于工作人员拆卸和安装探针机构，从而可以提高探针机构的拆卸和安装效率，进而可以提高电池测试装置的测试效率。
在一些实施例中，第一插接件上设置有第一到位检测传感器，第一到位检测传感器用于检测第二插接件是否插接到位。
本申请实施例中，第一插接件中设置有到位检测传感器，可以便于电池测试装置获取探针机构的安装状态，根据探针机构的安装状态对电池进行有效测试。
在一些实施例中，所述第一插接件上设置有第一固定件，所述第一固定件用于将所述第二插接件固定在所述第一插接件上。
本申请实施例中，第一插接件上设置固定件，固定件可以对第二插接件进行固定，以将探针机构稳定的安装在升降机构上，从而可以提高探针机构的稳定性，进而可以提高测试结果的准确性。
在一些实施例中，探针机构还包括第一电连接器和第二电连接器。多个第一探针与第一电连接器电连接，第二电连接器与电池测试装置中的电路电连接，第一电连接器与第二电连接器电连接。
本申请实施例中，通过插接配合的第一电连接器和第二电连接器可以快速建立探针机构与电池测试装置之间的电连接，也可以快速断开探针机构与电池测试装置之间的电连接，从而可以大大降低探针机构的拆卸和安装时间。
在一些实施例中，多个第一连接件与第一导轨可拆卸连接；第一连接件上设置有第一接头，第一接头与第一连接件上安装的第一探针电连接；电池测试装置中包括与第一接头对应的第二接头，第二接头与对应的第一接头可拆卸连接，第二接头与电池测试装置中的电路电连接。
本申请实施例中，第一连接件和第一导轨可拆卸连接，同时通过可拆卸连接的第一接头和第二接头电连接第一探针与电路，可以在第一连接件故障时快速更换故障的第一连接件，便于工作人员对探针机构进行维修。
在一些实施例中，至少部分第一连接件上设置有温度传感器，温度传感器用于检测电池单体的温度。
本申请实施例中，部分第一连接件上设置有温度传感器，通过温度传感器可以对电池 中电池单体的温度进行检测，便于在电池的测试过程中检测电池的特征点温度。
在一些实施例中，至少部分第一连接件上设置有第二到位检测传感器，第二到位检测传感器用于检测探针机构是否运动到目标位置。
本申请实施例中，在部分第一连接件上设置到位检测传感器，通过到位检测传感器可以对探针机构的位置进行检测，可以降低探针机构与电池硬接触的概率，从而可以对探针机构进行有效保护。
在一些实施例中，探针机构还包括安装于第一连接部的第二连接件，第二连接件上的第二探针用于与电池的端板接触。
本申请实施例中，当探针机构中包括第二探针时，电池测试装置可以对电池进行绝缘测试，从而可以扩大电池测试装置的应用范围。
在一些实施例中，所述电池测试装置中还包括与所述探针机构并列设置的支撑机构，所述支撑机构用于在所述探针机构与所述升降机构分离时支撑所述探针机构。
本申请实施例中，电池测试装置中安装有支撑件，可以降低探针机构的拆卸和安装难度，可以实现探针机构的快速安装和拆卸，从而可以提高电池测试装置的测试效率。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例或示范性技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1示出了本申请一些实施例提供的一种电池的测试场景示意图。
图2示出了本申请一些实施例提供的一种电池测试装置的局部结构示意图。
图3示出了本申请一些实施例提供的一种升降机构的结构示意图。
图4示出了本申请一些实施例提供的一种探针机构的结构示意图。
图5示出了本申请一些实施例提供的一种探针机构的部分结构示意图。
图6示出了图2中A区域的放大示意图。
图7示出了图3中B区域的放大示意图。
图8示出了本申请一些实施例提供的一种第一插接件的侧视图。
图9示出了本申请一些实施例提供的一种第一连接件的侧视图。
图10示出了本申请一些实施例提供的一种第一连接件的安装示意图。
图11示出了本申请一些实施例提供的另一种第一连接件的侧视图。
图12示出了本申请一些实施例提供的另一种第一连接件的侧视图。
图13示出了本申请一些实施例提供的一种探针机构的局部示意图。
附图标记：
1、电池测试装置；11、上位机；12、控制器；13、万用表；14、耐压仪；15、电路；
16、探针机构；2、电池。
31、机架；32、升降机构；321、第一插接件；3211、第一把手；3212、第一固定件；
3213、第一到位检测传感器；3214、限位件；322、安装板；323、活动板；324、伺服电机；325、直线轴承；326、连接板；327、平衡气缸；328、坦克链；33、探针机构；331、第一探针；332、转接支架；333、第一连接部；334、第一导轨；3341、第一滑道；335、第二导轨；336、第二插接件；337、第一电连接器；338、第二电连接器；339、第一连接件；3391、第一折弯部；3392、第二折弯部；3393、第二连接部；3394、螺孔；3310、第一接头；3311、第二接头；3312、温度传感器；3313、第二到位检测传感器；33131、触发探针；33132、感应组件；3314、第二连接件；3315、第二固定件；3316、第二滑道；3317、第二把手；3318、结构件；3319、第二探针；34、第一容纳空间；35、第二容纳空间；36、托盘；37、支撑机构；371、无动力滚轮；372、安装轨道；38、安全横梁；39、安全光栅；310、安全开关。
具体实施方式
下面将结合附图对本申请技术方案的实施例进行详细的描述。以下实施例仅用于更加清楚地说明本申请的技术方案，因此只作为示例，而不能以此来限制本申请的保护范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。
在本申请实施例的描述中，技术术语“第一”和“第二”等仅用于区别不同对象，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量、特定顺序或主次关系。在本申请实施例的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐 式地理解的是，本文所描述的实施例可以与其它实施例相结合。
在本申请实施例的描述中，术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
电池的绝缘性、耐压性等决定着电池是否可以安全可靠地运行，因此在电池的制造过程中，需要对电池的绝缘性、耐压性等进行测试。电池也称电池包(pack)，可以由多个电池单体通过串联和/或并联的方式连接组成，或者由多个电池模组(battery module)通过串联/或并联的方式组成，每个电池模组由多个电池单体(也被称为电芯)通过串联和/或并联的方式组成。
目前，主要通过电池测试装置对电池的绝缘性和耐压性等进行测试。电池测试装置包括升降机构和探针机构，以及控制器、电路、耐压仪和万用表等，但不限于此。
在测试过程中，升降机构可以带动探针机构升降，将探针机构推送到接近电池的位置，使探针机构中的探针与电池中电池单体的电极端子接触。在测试完成之后，升降机构可以再次带动探针机构升降，使探针与电极端子分离。
其中，探针机构中的探针与电路中的继电器电连接，在探针与电极端子接触连接之后，控制器可以控制电路中的各个继电器处于导通或断开状态，以对电池中各个电池单体进行串联/或并联，并将串联和/或并联后的电池单体连接至耐压仪或万用表，通过耐压仪或万用表对电池进行耐压测试或绝缘测试。
探针机构中相邻的两个探针之间的间距对应电池中相邻的两个电池单体的电极端子之间的间距。在测试过程中，为了使探针可以准确、可靠地与电极端子接触，以保证测试结果的准确性，各探针均固定安装在探针机构上，以使各探针之间的间距固定，使电池测试装置可以对由某个尺寸的电池单体组成的电池进行准确地测试。
当电池单体的尺寸发生变化时，相邻的两个电池单体的电极端子之间的间距会发生变化，需要调整各探针之间的间距，使各探针之间的间距与电池中电极端子之间的间距匹配，以使探针可以准确地与电极端子接触。
探针机构通常位于电池测试装置的内部，不便于工作人员直接操作，使得调整各探针之间的间距时难度较大，而且各探针均与升降机构固定连接，探针的数量也比较多，因此需要花费较长的时间对各探针之间的间距进行调整，导致电池测试装置可能无法快速适用由不同尺寸的电池单体组成的电池，降低了电池测试装置的测试效率。
为了解决上述技术问题，本申请实施例提供一种电池测试装置，包括：升降机构和探 针机构，升降机构用于驱动探针机构运动；探针机构包括转接支架，以及设置于转接支架的多个第一连接件，转接支架与升降机构可拆卸连接。
本申请实施例中，探针机构通过转接支架与升降机构可拆卸连接，在电池单体的尺寸发生变化、需要调整各探针之间的间距时，可以先分离转接支架和升降机构，将探针机构从电池测试装置中取出，以在电池测试装置的外部对各探针之间的间距进行调整，可以降低操作难度，提高调整效率，从而可以缩短调整各探针之间的间距时所耗费的时间，使电池测试装置可以快速适用由不同尺寸的电池单体组成的电池，进而可以提高电池测试装置的测试效率。
或者，可以设置备用的探针机构。在电池单体尺寸发生变化时，可以将转接支架与升降机构分离，直接更换整个探针机构，实现快速换型以适配不同型号的电池单体，从而提高测试效率。
其中，电池单体的尺寸一般与型号对应，电池单体的型号不同时，电池单体的尺寸通常不同。电池测试装置可以快速适用不同尺寸的电池单体组成的电池，因此电池测试装置可以在不同型号的电池单体组成的电池之间快速切换，使得电池测试装置可以快速灵活地适用由不同型号的电池单体组成的电池。
图1示出了本申请一些实施例提供的一种电池的测试场景示意图。如图1所示，电池测试装置1中包括上位机11、控制器12、万用表13、耐压仪14、电路15、探针机构16等。上位机11可以是电脑、笔记本、工控机等，控制器12例如可编程逻辑控制器(programmable logic controller，PLC)，但不限于此。
其中，探针机构16中的探针可以与电池2中包括的电池单体的电极端子接触，以实现与电极端子的电连接。电路15中包括多个继电器，多个继电器之间通过串联和/或并联的方式连接，探针机构16中的多个探针分别连接至电路15中不同的继电器。同时，电路15中的部分继电器与万用表13和耐压仪14电连接。
控制器12与电路15中的每个继电器电连接，可以控制继电器处于导通或断开状态。在对电池2进行测试的过程中，当探针机构16中的探针与电池2中电池单体的电极端子接触之后，控制器12可以控制电路15中的继电器导通或断开，以串联和/或并联电池2中的电池单体，并将串联和/或并联后的电池单体连接至万用表13或耐压仪14，然后启动耐压仪14对电池进行耐压测试或者启动万用表13对电池进行绝缘测试。
以上仅为示例性举例，电池测试装置的具体组成可以包括但不限于上述举例。
图2示出了本申请一些实施例提供的一种电池测试装置的局部结构示意图。如图2所 示，电池测试装置包括机架31、升降机构32和探针机构33。
示例性地，机架31可以是由多个横梁和多个立柱组装而成的框架结构，机架31的上部形成第一容纳空间34，下部形成第二容纳空间35。第一容纳空间34的上部安装有探针机构33，下部设置有用于放置电池的托盘36。第二容纳空间35用于放置备用的部件，例如可以放置备用的探针机构33。机架31的顶部安装有升降机构32，升降机构32的活动端延伸到第一容纳空间34内，与探针机构33连接。
其中，方向Y为竖直方向，方向X为与方向Y垂直的一个水平方向，方向Z为与方向X垂直的另一个水平方向。顶部、上部和下部为Y方向上的相对区域划分。
升降机构32可以带动探针机构33在Y方向上升降，使探针机构33中的探针与电池中电池单体的电极端子接触或分离。当探针机构33运动到与托盘36上放置的电池接近的位置时，探针机构33中的探针与电池中的电极端子接触，可以对电池进行测试。
图3示出了本申请一些实施例提供的一种升降机构的结构示意图。如图3所示，升降机构32包括安装板322，安装板322与机架31顶部的横梁固定连接，可以将整个升降机构32固定在机架31的顶部。升降机构32还包括活动板323，活动板323构成升降机构32的活动端，活动板323位于第一容纳空间34中，可以与探针机构33连接，驱动探针机构33在Y方向上升降。
示例性地，升降机构32中的驱动件为图3所示的伺服电机324，伺服电机324固定安装在安装板322上，伺服电机324的活动端与活动板323连接。安装板322上还间隔设置有多个直线轴承325，直线轴承325之间通过连接板326固定连接，直线轴承325的活动端与活动板323连接。伺服电机324工作时，在直线轴承325的作用下，可以带动活动板323在Y方向上做直线运动，以带动探针机构33在Y方向上升降。
其中，安装板322上还间隔设置有多个平衡气缸327。例如，可以设置两个平衡气缸327，两个平衡气缸327对称设置在伺服电机324的两侧，平衡气缸327的活动端与活动板323连接，可以抵消掉活动板323和探针机构33的部分或所有重量，可以降低伺服电机324的负载，从而可以提高电池测试装置的稳定性，延长伺服电机324的使用寿命，进而可以提高电池测试装置的可靠性。
应当理解的是，升降机构32的具体结构和组成可以包括但不限于图3所示。
在本申请一些实施例中，探针机构33包括转接支架332，以及设置于转接支架332的多个第一探针331，转接支架332与升降机构32可拆卸连接。
其中，探针机构33通过转接支架332与升降机构32可拆卸连接，在电池单体的尺寸 发生变化、需要调整各探针331之间的间距时，可以先分离转接支架332和升降机构32，将探针机构33从电池测试装置中取出，以在电池测试装置的外部对各个探针331之间的间距进行调整，可以降低操作难度，提高调整效率，从而可以缩短调整各个探针331之间的间距时所耗费的时间，使电池测试装置可以快速适用由不同尺寸的电池单体组成的电池，进而可以提高电池测试装置的测试效率。
在一些实施例中，转接支架332的一侧与升降机构32可拆卸连接，另一侧设置有相对的两个第一连接部333，多个第一连接件339安装在两个第一连接部333之间。
图4示出了本申请一些实施例提供的一种探针机构的结构示意图。如图4所示，转接支架332为条状板，条状板的一侧与升降机构32可拆卸连接，另一侧沿X方向的一端设置有一个第一连接部333，另一端设置有另一个第一连接部333。第一连接部333的一端与条状板连接，另一端向背离探针机构33的方向延伸出一定长度。
其中，两个第一连接部333可以分别位于转接支架332的两端，也可以位于靠近转接支架332端部的位置。第一连接部333可以是图4所示的连接板，第一连接部333的一端可以通过铆钉和螺钉等与转接支架332固定连接，也可以通过焊接或胶接的方式与转接支架332固定连接，或者两个第一连接部333也可以与转接支架332一体成型。
如图4所示，转接支架332和两个第一连接部333在背离升降机构32的一侧构成用于容纳多个第一探针331的容纳空间，多个第一探针331可以安装在两个第一连接部333之间。
可以理解的是，转接支架332和第一连接部333可以是如图4所示的带有镂空区域的镂空板，也可以是不带镂空区域的平板，可以是平面板也可以是带有一定弧度的曲面板。转接支架332和第一连接部333具体结构可以包括但不限于上述举例。
本申请实施例中，转接支架332上设置相对的两个第一连接部333，多个第一探针331可以安装在两个第一连接部333之间，整个探针机构33的结构比较简单，并且具有较大的操作空间，可以便于工作人员调整或维护两个第一连接部333之间的第一探针331。
在一些实施例中，探针机构33包括第一导轨334，第一导轨334的两端分别与两个第一连接部333连接，多个第一探针331安装在第一导轨334上。
图5示出了本申请一些实施例提供的一种探针机构的部分结构示意图。如图5所示，探针机构33中包括并列的两条第一导轨334，第一导轨334沿X方向设置，第一导轨334的一端与一个第一连接部333连接，另一端与另一个第一连接部333连接。
其中，探针机构33中可以包括1条第一导轨334或者包括多条并列第一导轨334，每 条第一导轨334上安装有多个第一连接件339，第一探针331可以安装在第一连接件339上，每个第一连接件339上可以安装至少一个第一探针331。
当探针机构33中包括1条第一导轨334时，第一导轨334上的一列第一探针331可以与电池中的一列电极端子接触。当探针机构33中包括两条并列的第一导轨334时，两条第一导轨334上的两列第一探针331分别用于与电池中的两列电极端子接触。
其中，第一导轨334可以采用强度较大的绝缘材料制成，以承载多个第一连接件339，并且可以与第一连接件339上的第一探针331绝缘隔离，从而可以提高测试的准确性。
本申请实施例中，多个第一探针安装在两个第一连接部之间的第一导轨上，可以简化探针机构的结构，并且可以降低探针机构的重量，便于工作人员对探针机构进行拆卸。
在一些实施例中，探针机构33包括并列的多条第一导轨334，相邻的两条第一导轨334之间的间距可调。
如图4所示，探针机构33中包括两条第一导轨334，两条第一导轨334并列设置，并且两条第一导轨334之间的间距可调。
在一些实施例中，第一连接部333上设置有第二导轨335，第一导轨334通过第二导轨335与第一连接部333滑动连接。
如图4所示，第二导轨335可以安装在第一连接部333远离转接支架332的一端，第二导轨335沿Z方向设置，第一导轨334与第二导轨335垂直或接近垂直。
其中，第二导轨335上设置有第二滑道3316，第一导轨334的端部位于第二滑道3316内。同时，第一导轨334的端部设置有第二固定件3315，第二固定件3315用于将第一导轨334固定在第二滑道3316中。
示例性地，第二固定件3315可以为旋钮，旋钮与第一导轨334的端部转动连接，可以调节旋钮与第一导轨334之间的间距。当旋钮拧松时，旋钮与第一导轨334之间的间距较大，第一导轨334可以在第二滑道3316中滑动，从而可以调节第一导轨334在第二导轨335上的位置。
相反的，当旋钮拧紧时，旋钮与第一导轨334之间的间距较小，可以将第一导轨334卡在第二滑道3316内，从而可以固定第一导轨334在第二导轨335上的位置。
如图5所示，通过调节第一导轨334在第二导轨335上的位置，可以调节两条第一导轨334之间的间距。两条第一导轨334上相对的两个第一探针331用于与同一个电池单体上的两个电极端子分别接触。当两条第一导轨334之间的间距可以调节时，可以使探针机构33可以适用不同宽度的电池单体。
其中，第二导轨335可以通过铆钉或螺钉等固定安装在第一连接部333上。或者，第二导轨335可以与第一连接部333一体成型。第二导轨335的具体结构，以及第二导轨335与第一连接部333和第一导轨334之间的连接方式可以包括但不限于上述举例。
本申请实施例中，探针机构中包括第二导轨，通过第二导轨可以调节第一导轨之间的间距，可以使探针机构可以适用不同尺寸的电池单体，从而可以使电池测试装置具有较大的兼容性。
在一些实施例中，升降机构32上设置有多个沿第一导轨334的长度方向间隔设置的第一插接件321。转接支架332上设置有与第一插接件321对应的第二插接件336，第二插接件336与对应的第一插接件321插接连接。
如图3所示，第一插接件321可以是插接槽，活动板的底部设置有两个第一插接件321，两个第一插接件321沿X方向间隔一定距离设置，使得两个第一插接件321可以沿第一导轨334的长度方向间隔设置。
如图4所示，转接支架332背离第一导轨334的一侧沿第一导轨334的长度方向间隔设置有两个第二插接件336。两个第一插接件321之间的距离与两个第二插接件336之间的距离匹配，同时第一插接件321的形状与第二插接件336的形状匹配。
第二插接件336可以是图4所示的平板状插接头，第一插接件321可以是图3所示的U形插接槽，第二插接件336的尺寸略小于第一插接件321的尺寸，使得第二插接件336可以插入第一插接件321内。
如图2所示，在探针机构33的安装过程中，可以将探针机构33抬升到第一容纳空间34的上部，使两个第二插接件336分别与两个第一插接件321相对，然后沿Z方向推动探针机构33，使两个第二插接件336分别插入对应的第一插接件321中，从而可以将探针机构33安装在升降机构32的活动端。
相反的，当需要从电池测试装置中拆卸探针机构33时，可以沿Z方向的相反方向拉动探针机构33，当第二插接件336与第一插接件321分离后，可以将探针机构33从整个电池测试装置中取出。
如图4所示，当升降机构32的底部只设置两个第一插接件321时，两个第一插接件321可以分别设置在升降机构32的两侧，以提高探针机构33的稳定性。
实际应用中，升降机构32的底部也可以沿第一导轨334的长度方向间隔设置3个、4个或5个等数量的第一插接件321，转接支架332上可以设置每个第一插接件321分别对应的第二插接件336。
需要说明的是，第一插接件321可以是图4所示的U形槽，也可以是C形插接槽或者其他形状的插接件，每对第二插接件336和第一插接件321的形状和位置匹配即可。
本申请实施例中，探针机构与升降机构通过插接配合的第二插接件和第一插接件实现可拆卸连接，可以便于工作人员拆卸和安装探针机构，从而可以提高探针机构的拆卸和安装效率，进而可以提高电池测试装置的测试效率。
在一些实施例中，电池测试装置中还包括与探针机构33并列设置的支撑机构37，支撑机构37用于在探针机构33与升降机构32分离时支撑探针机构33。
图6示出了图2中A区域的放大示意图。如图6所示，支撑机构37包括多个无动力滚轮371和安装轨道372，无动力滚轮371安装在安装轨道372内，多个无动力滚轮可以在安装轨道372内转动。
如图2所示，探针机构33的两端分别设置有两个支撑机构37，两个支撑机构37位于探针机构33的升降方向的一侧，与探针机构33并列设置在第一容纳空间34内。同时，第一连接部333与同一端的无动力滚轮371相对应，在Y方向上位于无动力滚轮371的上方，与无动力滚轮371间隔一定距离。当探针机构33与升降机构32分离时，第一连接部333可以落在对应的无动力滚轮371上。
转接支架332上设置有第二把手3317，在拆卸探针机构33的过程中，可以通过第二把手3317沿Z方向的相反方向拉动探针机构33，当第二插接件336从第一插接件321中脱离时，两条第二导轨335可以分别落在对应的一组支撑机构37上，并在支撑机构37上滑动，当第二插接件336与第一插接件321完全分离时，可以从两个支撑机构37上取下探针机构33，并将探针机构33从第一容纳空间34中取出，完成对探针机构33的拆卸。
在安装探针机构33的过程中，首先可以将探针机构33放置在两端的支撑机构37上，然后沿Z方向推动探针机构33，在支撑机构37的作用下，第二插接件336可以插入到对应的第一插接件321中，完成对探针机构33的安装。
需要说明的是，支撑机构37的具体类型可以包括但限于上述举例。
本申请实施例中，电池测试装置中安装有支撑件，可以降低探针机构的拆卸和安装难度，可以实现探针机构的快速安装和拆卸，从而可以提高电池测试装置的测试效率。
在一些实施例中，电池测试装置中还包括安全机构。安全机构例如图2所示的安全光栅39，探针机构33的两端可以分别设置一组安全光栅39，安全光栅39与电池测试装置中的控制器电连接。在电池测试装置启动运行之后，当异物从探针机构33的两端进入第一容纳空间34时，安全光栅39可以向控制器发送报警信号，控制器在接收到报警信号之后， 可以控制电池测试装置停止。
示例性地，安全机构还可以包括安全开关310，安全开关310设置在机架31上，并与控制器电连接。在电池测试装置的运行过程中，安全开关310处于闭合状态，可以向控制器发送闭合信号。控制器在接收到闭合信号之后，控制电池测试装置正常运行。
在电池测试装置的维护过程中，工作人员可以手动断开安全开关310，安全开关310可以向控制器发送断开信号，控制器在接收到断开信号之后，控制电池测试装置停机，并禁止电池测试装置启动运行。
安装开关310的设置可以便于工作人员在电池测试装置的维护过程中手动停止电池测试装置，降低电池测试装置在维护过程中误启动的概率，对工作人员进行有效的保护，从而可以提高电池测试装置的安全性和可靠性。
示例性地，安全机构可以包括由安全横梁38和位于安全横梁38底部的开关元件(图中未示出)组成的安全组件，开关元件与控制器电连接。在电池测试装置的运行过程中，安全横梁38放置在开关元件之上，使开关元件闭合，开关元件向控制器发送闭合信号，控制器控制电池测试装置正常运行。
在电池测试装置的维护过程中，工作人员可以从开关元件上取下安全横梁38，使得开关元件断开，向控制器发送断开信号。控制器在接收到断开信号之后，控制电池测试装置停机，并禁止电池测试装置启动运行。
安全横梁38和开关元件可以便于工作人员在电池测试装置的维护过程中手动停止电池测试装置，降低电池测试装置在维护过程中误启动的概率，对工作人员进行有效的保护，从而可以提高电池测试装置的安全性和可靠性。
应当理解的是，安全机构的具体类型可以根据需求设置，可以包括但不限于上述举例。
在一些实施例中，第一插接件321上设置有第一固定件3212，第一固定件3212用于将第二插接件336固定在对应的第一插接件321上。
图7示出了图3中B区域的放大示意图。如图7所示，第一固定件3212例如为圆柱销，第一插接件321和第二插接件336的对应位置开设有销孔，圆柱销的一端连接有第一把手3211，另一端向第二插接件336所在的方向延伸，插入到第二插接件336上的销孔内。
在安装探针机构33之前，可以通过第一把手3211将圆柱销拉出第一插接件321，在将第二插接件336插入第一插接件321，并使第二插接件336和第一插接件321的销孔对齐之后，可以通过第一把手3211将圆柱销插入第二插接件336和第一插接件321的销孔内，以将第二插接件336固定在第一插接件321内，从而可以将探针机构33固定在升降机构 32的底部。
本申请实施例中，第一插接件上设置固定件，固定件可以对第二插接件进行固定，以将探针机构稳定的安装在升降机构上，从而可以提高探针机构的稳定性，进而可以提高测试结果的准确性。
在一些实施例中，第一插接件321上可以设置限位件3214，限位件可以限制第二插接件336的插入位置。如图7所示，限位件3214可以是与第一插接件321一体成型的挡板，在将第二插接件336插入第一插接件321的过程中，挡板可以限制第二插接件336的插入位置，从而可以便于工作人员快速地将探针机构33安装在升降机构32的底部。
在一些实施例中，第一插接件321上设置有第一到位检测传感器3213，第一到位检测传感器3213用于检测第二插接件336是否插接到位。
图8示出了本申请一些实施例提供的一种第一插接件的侧视图。如图8所示，第一插接件321内设置有第一到位检测传感器3213，第一到位检测传感器3213可以是接近开关，接近开关与控制器电连接。当第二插接件336插入对应的第一插接件321，并插接到位之后，可以触发接近开关闭合，接近开关可以向控制器发送闭合信号。相反的，当第二插接件336从第一插接件321中取出或者第二插接件336未插接到位时，接近开关处于断开状态，接近开关可以向控制器发送断开信号。
控制器在接收到闭合信号之后，可以确定第二插接件336插接到位，可以开始对电池进行测试。控制器在接收到断开信号之后，可以确定第二插接件336未插接到位，可以禁止电池测试装置启动运行。
可以理解的是，第一到位检测传感器可以包括但不限于上述举例中的接近开关。
本申请实施例中，第一插接件中设置有到位检测传感器，可以便于电池测试装置获取探针机构的安装状态，根据探针机构的安装状态对电池进行有效测试。
在一些实施例中，探针机构33还包括第一电连接器337和第二电连接器338。多个第一探针331与第一电连接器337电连接，第二电连接器338与电池测试装置中的电路电连接，第一电连接器337与所述第二电连接器338电连接。
如图4所示，第一电连接器337可以为哈丁连接器的插座，第二电连接器338可以是哈丁连接器的插头，插座与插头插接配合，组成哈丁连接器。插座可以固定安装在转接支架332背离第一导轨334的一侧，插头插接在插座上。
其中，每个第一连接件339上的第一探针331通过导线与插座中的一个接线端子电连接。插头上的接线端子与电路中的继电器电连接，当插头插接在插座上时，可以将第一探 针331电连接至电路。
需要说明的是，第一电连接器337和第二电连接器338也可以是其他类型的电连接器，可以包括但不限于哈丁连接器。
由于第一电连接器337和第二电连接器338可分离，当需要将探针机构33从电池测试装置中取出时，可以先分离第一电连接器337和第二电连接器338，断开探针机构33与电路的电连接，然后将探针机构33从电池测试装置中取出。
相反的，在安装探针机构33的过程中，可以先将探针机构33安装在电池测试装置中，然后将第二电连接器338插接到第一电连接器337上，可以快速建立探针机构33与电路的电连接。
如图3所示，升降机构32上设置有布线机构，布线机构例如坦克链328，坦克链328用于布置第二电连接器338与电路之间的连线。升降机构32中可以设置多个坦克链328，以便于将不同电压等级的连线分别布局在不同的坦克链中。
本申请实施例中，通过插接配合的第一电连接器和第二电连接器可以快速建立探针机构与电池测试装置之间的电连接，也可以快速断开探针机构与电池测试装置之间的电连接，从而可以大大降低探针机构的拆卸和安装时间。
在一些实施例中，多个第一连接件339与第一导轨334可拆卸连接；第一连接件339上设置有第一接头3310，第一接头3310与第一连接件339上安装的第一探针331电连接；电池测试装置中包括与第一接头3310对应的第二接头3311，第二接头3311与对应的第一接头3310可拆卸连接，第二接头3311与电池测试装置中的电路电连接。
图9示出了本申请一些实施例提供的一种第一连接件的侧视图。如图9所示，第一连接件339可以为条状连接块，包括位于第一连接件339一端的第一折弯部3391，以及位于另一端的第二折弯部3392，第一折弯部3391和第二折弯部3392位于第一连接件339的同一侧。
第一接头3310设置在第一折弯部3391靠近第二折弯部3392的一侧，第二接头3311设置在第一折弯部3391背离第二折弯部3392的一侧。第一折弯部3391上设置有通孔，第一接头3310穿过通孔后与第二接头3311可拆卸连接，并与第二接头3311电连接。第二折弯部3392上设置多个第一探针331，例如可以设置2个、3个或4个第一探针331。
实际应用中，可以在第一探针331与第一接头3310之间设置导线，导线的一端与第一探针331焊接，另一端与第一接头3310焊接，以实现第一探针331与第一接头3310之间的电连接，从而可以实现第一探针331与第二接头3311之间的电连接。
在一些实施例中，第一连接件339上设置有第二连接部3393，第一导轨334上设置有与第二连接部3394匹配第一滑道3341，第二连接部3393与第一滑道3341滑动连接。
图10示出了本申请一些实施例提供的一种第一连接件的安装示意图。如图10所示，第一连接件339上设置有第二连接部3393，第二连接部3393位于第一折弯部3391与第二折弯部3392之间，第二连接部3393上设置有螺孔3394。第一导轨334上设置有与第二连接部3393的形状和尺寸匹配的第一滑道3341，第二连接部3393位于第一滑道3341内，第二连接部3393可以带动第一连接件339在第一滑道3341内滑动。
在将第一连接件339安装在第一导轨334上之后，可以在螺孔3394内设置螺钉，通过螺钉抵接第一滑道3341的侧壁，以将第一连接件339固定在第一导轨334上。
当第一连接件339出现故障时，例如第一连接件339上的第一探针331损坏无法正常使用时，可以先分离第一连接件339上的第一接头3310和第二接头3311，然后将故障的第一连接件339从第一导轨334上取下。然后，可以将正常的第一连接件339安装在第一导轨334上，并将对应的第二接头3311连接在第一接头3310上，从而可以快速的替换探针机构33中故障的第一连接件339。
其中，当探针机构中设置第一电连接器337和第二电连接器338时，第一探针331可以通过电连接的第一接头3310和第二接头3311连接至第一电连接器337，从而可以通过插接配合的第一电连接器337和第二电连接器338与电路电连接。
应当理解的是，第一连接件与第一导轨之间也可以通过其他方式实现可拆卸连接，可拆卸连接的具体方式可以包括但不限于上述举例。
本实施例中，第一连接件在第一导轨上的位置可调，可以便于工作人员调整第一导轨上相邻的两个第一连接件之间的间距，从而可以使探针机构可以适用不同厚度的电池单体，进而可以提高电池测试装置的兼容性。
本申请实施例中，第一连接件和第一导轨可拆卸连接，同时通过可拆卸连接的第一接头和第二接头电连接第一探针与电路，可以在第一连接件故障时快速更换故障的第一连接件，便于工作人员对探针机构进行维修。
在一些实施例中，至少部分第一连接件339上设置有温度传感器3312，温度传感器3312用于检测电池单体的温度。
图11示出了本申请一些实施例提供的另一种第一连接件的侧视图。如图11所示，第一连接件339上除了设置有第一探针331之外，还设置有温度传感器3312，温度传感器3312可以为温度探针。
其中，第一接头3310和第二接头3311上可以分别设置多个接线端子，第一探针331可以通过其中的一对接线端子与第一电连接器337电连接，温度探针可以通过其中的另一对接线端子与第一电连接器337电连接，然后第一探针331可以通过插接配合的第一电连接器337和第二电连接器338与电路电连接，温度探针可以通过插接配合的第一电连接器337和第二电连接器338与控制器电连接。
在对电池进行测试的过程中，温度探针可以与电池单体的电极端子接触，对电池单体的温度进行采样，并向控制器发送采样得到的温度值。温度传感器的具体类型可以包括但不限于上述举例。
需要说明的是，探针机构中包括多个第一连接件，多个第一连接件中的部分第一连接件中设置有温度传感器，多个温度传感器可以设置在不同位置的多个第一连接件上，以便对电池中不同位置的电池单体的温度进行检测。
本申请实施例中，部分第一连接件上设置有温度传感器，通过温度传感器可以对电池中电池单体的温度进行检测，便于在电池的测试过程中检测电池的特征点温度。
在一些实施例中，至少部分第一连接件339上设置有第二到位检测传感器3313，第二到位检测传感器3313用于检测探针机构33是否运动到目标位置。
图12示出了本申请一些实施例提供的另一种第一连接件的侧视图。如图12所示，第一连接件339上除了设置第一探针331之外，还设置有第二到位检测传感器3313，第二到位检测传感器3313例如为接近开关，包括触发探针33131和感应组件33132，触发探针33131与第一探针331并列设置。
其中，感应组件33132也可以通过第一接头3310和第二接头3311中的一对接线端子与第一电连接器337电连接，然后通过插接配合的第一电连接器337和第二电连接器338与控制器电连接。
其中，目标位置可以是探针机构33在下降过程中的停止位置，当探针机构33运动到目标位置时，第一探针331与电池中的电极端子有效接触，并且不会损坏第一探针331。目标位置可以根据实际需求灵活设置。
在升降机构32带动探针机构33运动的过程中，当探针机构33运动到目标位置时，触发探针33131与电池单体接触，使得触发探针33131向靠近第一接头3310的方向运动，触发感应组件33132向控制器发送停止信号，控制器在接收到停止信号之后，控制升降机构32停止运行。
需要说明的是，探针机构中包括多个第一连接件339，多个第一连接件339中的部分 第一连接件339上设置有第二到位检测传感器3313，多个第二到位检测传感器3313可以设置在不同位置的多个第一连接件339上。
本申请实施例中，在部分第一连接件上设置到位检测传感器，通过到位检测传感器可以对探针机构的位置进行检测，可以降低探针机构与电池硬接触的概率，从而可以对探针机构进行有效保护。
在一些实施例中，探针机构33还包括安装于第一连接部333的第二连接件3314，第二连接件3314上的第二探针3319用于与电池的端板接触。
图13示出了本申请一些实施例提供的一种探针机构的局部示意图。如图13所示，探针机构33中还包括第二连接件3314，第二连接件3314位于两条第一导轨334之间，并且第二连接件3314通过结构件3318安装在第二导轨335靠近第一导轨334的一侧。
第二连接件3314与第一连接件339可以是相同结构的连接件，第二连接件3314上设置有一个或多个第二探针3319，第二连接件3314与第一连接件339位于相同或相近的高度。在测试过程中，当探针机构33运行到目标位置时，第二探针3319可以与电池的端板接触。
同样的，第二连接件3314上设置有可拆卸连接的第一接头3310和第二接头3311，第二探针3319可以先通过电连接的第一接头3310和第二接头3311连接至第一电连接器337，然后通过插接配合的第一连接器337和第二连接器338电连接至电路。
其中，可以在其中一个第一连接部333上设置第二连接件3314，也可以在两个第一连接部333上分别设置两个第二连接件3314。第一连接部333与第二连接件3314之间的具体连接关系可以包括但不限于上述举例。
在对电池进行测试的过程中，控制器可以通过电路串联电池内的电池单体，然后将串联后的电池单体和端板分别连接至万用表的两端，以对电池进行绝缘测试。
本申请实施例中，当探针机构中包括第二探针时，电池测试装置可以对电池进行绝缘测试，从而可以扩大电池测试装置的应用范围。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (16)

  1. 一种电池测试装置，其中，包括：升降机构(32)和探针机构(33)；
    所述升降机构(32)用于驱动所述探针机构(33)运动；
    所述探针机构(33)包括转接支架(332)，以及设置于所述转接支架(332)的多个第一探针(331)，所述转接支架(332)与所述升降机构(32)可拆卸连接。
  2. 如权利要求1所述的电池测试装置，其中，
    所述转接支架(332)的一侧与所述升降机构(32)可拆卸连接，另一侧设置有相对的两个第一连接部(333)，所述多个第一探针(331)安装在所述两个第一连接部(333)之间。
  3. 如权利要求2所述的电池测试装置，其中，所述探针机构(33)还包括第一导轨(334)；
    所述第一导轨(334)的两端分别与所述两个第一连接部(333)连接，所述多个第一探针(331)安装在所述第一导轨(334)上。
  4. 如权利要求3所述电池测试装置，其中，所述探针机构(33)包括并列的多条所述第一导轨(334)，相邻的两条所述第一导轨(334)之间的间距可调。
  5. 如权利要求3或4所述的电池测试装置，其中，所述第一连接部(333)上设置有第二导轨(335)，所述第一导轨(334)通过所述第二导轨(335)与所述第一连接部(333)滑动连接。
  6. 如权利要求3-5中任一项所述的电池测试装置，其中，所述探针机构(33)还包括多个第一连接件(339)，所述多个第一探针(331)通过所述多个第一连接件(339)安装在所述第一导轨(334)上。
  7. 如权利要求6所述的电池测试装置，其中，所述第一连接件(339)上设置有第二连接部(3393)，所述第一导轨(334)上设置有与所述第二连接部(3394)匹配第一滑道(3341)，所述第二连接部(3393)与所述第一滑道(3341)滑动连接。
  8. 如权利要求3-7中任一项所述的电池测试装置，其中，所述升降机构(32)上设置有多个沿所述第一导轨(334)的长度方向间隔设置的第一插接件(321)；
    所述转接支架(332)上设置有与所述第一插接件(321)对应的第二插接件(336)，所述第二插接件(336)与对应的所述第一插接件(321)插接连接。
  9. 如权利要求8所述的电池测试装置，其中，所述第一插接件(321)上设置有第一到位检测传感器(3213)，所述第一到位检测传感器(3213)用于检测所述第二插接件(336) 是否插接到位。
  10. 如权利要求8或9所述的电池测试装置，其中，所述第一插接件(321)上设置有第一固定件(3212)，所述第一固定件(3212)用于将所述第二插接件(336)固定在对应的所述第一插接件(321)上。
  11. 如权利要求1-10中任一项所述的电池测试装置，其中，所述探针机构(33)还包括第一电连接器(337)和第二电连接器(338)；
    所述多个第一探针(331)与所述第一电连接器(337)电连接，所述第二电连接器(338)与所述电池测试装置中的电路电连接，所述第一电连接器(337)与所述第二电连接器(338)电连接。
  12. 如权利要求6所述的电池测试装置，其中，所述多个第一连接件(339)与所述第一导轨(334)可拆卸连接；
    所述第一连接件(339)上设置有第一接头(3310)，所述第一接头(3310)与所述第一连接件(339)上安装的所述第一探针(331)电连接；
    所述电池测试装置中包括与所述第一接头(3310)对应的第二接头(3311)，所述第二接头(3311)与对应的所述第一接头(3310)可拆卸连接，所述第二接头(3311)与所述电池测试装置中的电路电连接。
  13. 如权利要求6或12所述的电池测试装置，其中，至少部分所述第一连接件(339)上设置有温度传感器(3312)，所述温度传感器(3312)用于检测电池单体的温度。
  14. 如权利要求6、12或13所述的电池测试装置，其中，至少部分所述第一连接件(339)上设置有第二到位检测传感器(3313)，所述第二到位检测传感器(3313)用于检测所述探针机构(33)是否运动到目标位置。
  15. 如权利要求2-14中任一项所述的电池测试装置，其中，所述探针机构(33)还包括安装于所述第一连接部(333)的第二连接件(3314)，所述第二连接件(3314)上的第二探针(3319)用于与所述电池的端板接触。
  16. 如权利要求1-15中任一项所述的电池测试装置，其中，所述电池测试装置中还包括与所述探针机构(33)并列设置的支撑机构(37)，所述支撑机构(37)用于在所述探针机构(33)与所述升降机构(32)分离时支撑所述探针机构(33)。
PCT/CN2023/101901 2023-06-21 2023-06-21 一种电池测试装置 Ceased WO2024259675A1 (zh)

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