WO2024063443A1 - 전지팩 및 그를 포함하는 자동차 - Google Patents
전지팩 및 그를 포함하는 자동차 Download PDFInfo
- Publication number
- WO2024063443A1 WO2024063443A1 PCT/KR2023/013845 KR2023013845W WO2024063443A1 WO 2024063443 A1 WO2024063443 A1 WO 2024063443A1 KR 2023013845 W KR2023013845 W KR 2023013845W WO 2024063443 A1 WO2024063443 A1 WO 2024063443A1
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- WIPO (PCT)
- Prior art keywords
- pack
- condensation
- battery
- pack case
- detection sensor
- 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
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- 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
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- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid
-
- 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
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- 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 invention relates to a battery pack having a structure capable of detecting condensation occurring inside a pack case, and a vehicle including the same.
- secondary batteries capable of charging and discharging can be divided into pouch-type, prismatic, and cylindrical types depending on their structure.
- the pouch-type secondary battery has a structure including an electrode assembly and a pouch for accommodating the electrode assembly.
- the prismatic secondary battery has a structure including an electrode assembly, a can accommodating the electrode assembly, and a top cap coupled to an opening of the can.
- the cylindrical secondary battery has a structure including an electrode assembly, a can accommodating the electrode assembly, and a cap assembly coupled to an opening of the can.
- EV electric vehicles
- HEV hybrid electric vehicles
- the battery module has a structure that connects a plurality of secondary batteries in series and/or parallel, and the battery pack has a structure in which one or more battery modules are built into a pack case.
- the battery pack had a problem with condensation occurring inside the pack case in a high temperature and humidity environment or when there was a large temperature difference between the inside and outside of the pack case, which caused corrosion of the pack case and cracks in the corroded pack case portion. As a result, there was a problem in which electrolyte leaked and a ground fault occurred.
- the object of the present invention is to provide a battery pack and the same that can quickly detect condensation inside the pack case by including a condensation detection sensor that detects condensation inside the pack case, thereby preventing the occurrence of danger at an early stage.
- the goal is to provide cars that include:
- Another object of the present invention is to effectively remove condensation from the inside of the pack case by including a condensation removal device that removes condensation from the pack case, thereby preventing the occurrence of danger at an early stage, and as a result.
- the goal is to provide battery packs that can increase safety and automobiles containing them.
- the battery pack of the present invention includes a battery module; a pack housing provided with a pack case in which the battery module is accommodated, and a pack cover that opens and closes the pack case; And a condensation detection sensor that detects condensation through an insulation abnormality signal generated inside the pack case, wherein the condensation detection sensor is connected by condensation generated inside the pack case and generates an insulation abnormality signal. It may include a conductor and a second conductor.
- the first conductor is formed of a first body connected to the voltage line of the battery module and a plurality of first terminals protruding from the first body, and the second conductor is connected to the ground of the pack case. It is formed of a second body and a plurality of second terminals protruding from the second body, and the plurality of first terminals and the plurality of second terminals are alternately arranged and connected by condensation to generate an insulation abnormality signal. .
- the condensation detection sensor may be attached to the surface of the pack cover corresponding to the upper surface of the battery module.
- the battery modules are provided in plural numbers, and the pack case includes: a partition wall dividing a receiving space for accommodating a plurality of battery modules; and a support member provided on the partition wall and supporting the pack cover, wherein the condensation detection sensor may be attached to a surface of the pack cover adjacent to the support member.
- the inside of the pack case includes a power cutoff device (MSD: Manual Service Disconnect) that cuts off the power connected to the battery module, and the condensation detection sensor is attached to the surface of the pack cover adjacent to the power cutoff device. It can be.
- MSD Manual Service Disconnect
- the condensation detection sensor may be attached to the pack cover using adhesive or adhesive film.
- the battery pack may further include a condensation removal device that removes condensation generated inside the pack case by circulating air inside the pack case.
- the condensation removal device includes an injection pipe and a discharge pipe connected to the inside of the pack case; And it may include an air generator that injects air into the pack case through the injection pipe and discharges the air inside the pack case through the discharge pipe.
- the condensation removal device includes a valve that opens and closes the injection pipe and the discharge pipe; And it may further include a control unit that opens the valve only when an insulation abnormality signal is generated by the condensation detection sensor and exhausts air inside the pack case through the air generator.
- the condensation removal device may further include a filter that filters foreign substances contained in the air passing through the injection pipe.
- the first conductor and the second conductor may be made of copper or aluminum.
- the vehicle of the present invention includes a battery pack, and the battery pack includes a battery module; a pack housing provided with a pack case in which the battery module is accommodated, and a pack cover that opens and closes the pack case; And a condensation detection sensor that detects condensation through an insulation abnormality signal generated inside the pack case, wherein the condensation detection sensor is connected by condensation generated inside the pack case and generates an insulation abnormality signal. It may include a conductor and a second conductor.
- the battery pack of the present invention includes a condensation detection sensor that detects condensation through an insulation abnormality signal generated inside the pack case, and the condensation detection sensor includes a first conductor and a first conductor that are connected by condensation and generate an insulation abnormality signal. 2 It has the characteristic of including a conductor. Due to these features, condensation occurring inside the pack case can be quickly detected, and as a result, hazards can be prevented early on.
- the condensation detection sensor is provided at a position corresponding to the upper surface of the battery module, a position close to the support member supporting the pack cover, and a position close to the power cut-off device, thereby condensation occurring inside the pack case. can be detected quickly.
- the battery pack of the present invention is characterized by including a condensation removal device that removes condensation generated inside the pack case. Due to these features, condensation occurring inside the pack case can be quickly removed, and as a result, safety can be improved by preventing hazards from occurring at an early stage.
- Figure 1 is a perspective view showing a battery pack according to a first embodiment of the present invention.
- Figure 2 is a cross-sectional view of Figure 1.
- Figure 3 is a plan view schematically showing the battery pack of Figure 1.
- Figure 4 is a perspective view showing the support member in Figure 1.
- Figure 5 is a plan view showing the condensation detection sensor in Figure 1.
- Figure 6 is a cross-sectional view showing a condensation removal device for a battery pack according to the first embodiment of the present invention.
- Figure 7 is a side view showing a car according to a second embodiment of the present invention.
- Figure 1 is a perspective view showing a battery pack according to a first embodiment of the present invention
- Figure 2 is a cross-sectional view of Figure 1
- Figure 3 is a condensation detection sensor provided in the battery pack according to the first embodiment of the present invention. This is a floor plan showing the location.
- the battery pack 1 according to the first embodiment of the present invention has a structure including a condensation detection sensor 30. Through this structure, condensation occurring inside the battery pack can be quickly detected, and as a result, hazards can be detected or prevented early on.
- the battery pack 1 includes a battery module 10, a pack housing 20 in which the battery module 10 is accommodated, and a condensation detection sensor 30 that detects condensation generated inside the pack housing 20.
- the condensation detection sensor 30 detects condensation through an insulation abnormality signal generated inside the pack.
- dew condensation refers to a phenomenon in which moisture condenses as water droplets on the surface of an object when the temperature of the air containing moisture falls below the dew point. That is, water droplets form inside the battery pack and condensation occurs due to a temperature difference between the inside and outside of the battery pack 1 according to the first embodiment of the present invention.
- the battery module 10 has a structure in which a plurality of battery cells are connected in series and/or in parallel.
- the battery cell includes an electrode assembly and a case in which the electrode assembly is accommodated, and the electrode assembly has a structure in which electrodes and separators are alternately arranged.
- the electrode may be an anode and a cathode.
- the pack housing 20 includes a pack case 21 having an accommodating space for accommodating one or more battery modules 10, preferably two or more battery modules 10, and opening and closing the accommodating space of the pack case 21. Includes a pack cover (22).
- the receiving space of the pack case 21 has a structure that opens upward as seen in FIG. 2, and the pack cover 22 is coupled to the upper part of the pack case 21 to open and close the receiving space.
- the pack case 21 is provided with a partition wall 211 that divides the receiving space for accommodating a plurality of battery modules 10, and the partition wall 211 includes a support member 212 for supporting the pack cover 22. ) is provided. That is, the support member 212 serves to support the central portion of the pack cover 22 so that it is not pressed in the direction of the pack case 21.
- Figure 4 is a perspective view showing a support member included in the battery pack according to the first embodiment of the present invention.
- the support member 212 is formed with a bolt hole 2121 penetrating upward and downward, as shown in FIG. 4 . That is, the bolt hole 2121 serves as a passage for fixing the pack case 21 and the pack cover 22 using bolts and nuts.
- the conventional battery pack had a problem in which condensation occurred inside the pack case 21 in a high temperature and high humidity environment or when there was a large temperature difference between the inside and outside of the pack case.
- the battery pack 1 includes a condensation detection sensor 30 for detecting condensation generated inside the pack case 21.
- Figure 5 is a plan view showing a condensation detection sensor according to the first embodiment of the present invention.
- the condensation detection sensor 30 is used to detect condensation occurring inside the pack housing 20. That is, the condensation detection sensor 30 is provided inside the pack case 21 and is connected by condensation (i.e., water droplets (W)) generated inside the pack case 21 to generate an insulation abnormality signal. Condensation is detected through a signal.
- condensation i.e., water droplets (W)
- the condensation detection sensor 30 includes a first conductor 31 and a second conductor 32 that are connected by condensation occurring inside the pack case 21 and generate an insulation abnormality signal.
- the first conductor 31 is formed of a first body 311 connected to the voltage line of the battery module 10 and a plurality of first terminals 312 protruding from the first body 311. .
- the second conductor 32 is connected to a second body 321 connected to the ground (GND) of the pack case 21 and a plurality of second terminals 322 protruding from the second body 321. is formed
- the plurality of first terminals 312 and the plurality of second terminals 322 are alternately arranged and connected by condensation to generate an insulation abnormality signal. That is, referring to FIG. 5, the condensation water droplets (W) fall to include the first terminal 312 and the second terminal 322, and the first terminal 312 and the second terminal 322 come into contact, Accordingly, an insulation abnormality signal is generated, and the condensation detection sensor 30 detects the occurrence of condensation through the insulation abnormality signal.
- first conductor 31 and the second conductor 32 may be made of copper or aluminum.
- the condensation detection sensor 30 with this configuration can quickly detect condensation occurring inside the pack housing 20, and as a result, it is possible to detect and prevent the occurrence of danger early.
- first and second conductors 31 and 32 have a structure attached to the surface of the insulating film 33, thereby preventing unintentional contact between the first and second conductors.
- the condensation detection sensor 30 may be placed in a portion of the pack case 21 where a lot of condensation occurs.
- the condensation detection sensor 30 is located inside the pack case corresponding to the upper surface of the battery module 10, preferably in the pack cover 22 corresponding to the upper surface of the battery module 10. Can adhere to surfaces. That is, due to the heat generated from the battery module 10, a lot of condensation occurs on the surface of the pack cover 22 corresponding to the upper surface of the battery module 10. Accordingly, the occurrence of condensation can be quickly detected by attaching the condensation detection sensor 30 to the surface of the pack cover 22 corresponding to the upper surface of the battery module 10.
- the condensation detection sensor 30 is located inside the pack case close to the support member 212 provided in the pack case 21, preferably close to the support member 212 provided in the pack case 21. It may be attached to the surface of the pack cover 22. That is, the support member 212 causes a lot of condensation to form on the pack cover 22 where the support member 212 is located due to external air flowing in through the bolt hole 2121. Accordingly, condensation can be quickly detected by attaching the condensation detection sensor 30 to the surface of the pack cover 22 adjacent to the support member 212.
- the inside of the pack case 21 includes a power cutoff device (MSD: Manual Service Disconnect) 23 that cuts off the power connected to the battery module 10, and the condensation detection sensor 30 Can be attached to the inside of the pack case adjacent to the power cutoff device 23, preferably to the surface of the pack cover 22 close to the power cutoff device 23. That is, a lot of condensation occurs on the pack cover 22 due to the heat generated from the power cutoff device 23. Accordingly, condensation can be quickly detected by attaching the condensation detection sensor 30 to the pack cover 22 near the power cutoff device 23.
- MSD Manual Service Disconnect
- the power cutoff device 23 is a structure for disconnecting the voltage line of the battery module 10 accommodated inside the pack case 21 when inspecting the battery pack 1.
- condensation detection sensor 30 may be attached to the surface of the pack cover 22 using adhesive 34 or an adhesive film.
- the condensation detection sensor 30 can be coupled to the hole formed in the pack cover 22 using a bracket. That is, after the condensation detection sensor 30 is coupled to the bracket, the coupling portion provided on the bracket can be coupled by inserting it into the hole formed in the pack cover 22.
- the battery pack 1 includes a condensation detection sensor 30, so that it can quickly detect condensation occurring inside the pack case 21, and accordingly turns off the power, etc. Risks can be prevented in advance.
- Figure 6 is a cross-sectional view showing a condensation removal device included in the battery pack according to the first embodiment of the present invention.
- the battery pack 1 circulates the air inside the pack case 21 to remove condensation generated in the pack case 21, as shown in FIG. 6.
- a condensation removal device 40 may be further included.
- the condensation removal device 40 has a structure that removes condensation generated in the pack case 21 by circulating air outside and inside the pack case 21.
- the condensation removal device 40 supplies air to the inside of the pack case 21 through the injection pipe 41 and the discharge pipe 42, which are respectively connected to the inside of the pack case 21, and the injection pipe 41. It includes an air generator 43 that injects the air inside the pack case 21 and forcibly discharges it through the discharge pipe 42.
- the condensation removal device 40 operates the air generator 43 to supply air to the injection pipe 41. And, as the pressure inside the pack case 21 increases due to the air supplied through the injection pipe 41, the air inside the pack case 21 is forcibly discharged through the discharge pipe 42. At this time, condensation generated inside the pack case 21 is gradually evaporated and removed by air circulating or passing through the inside of the pack case 21.
- the battery pack 1 includes a condensation removal device 40, so that condensation generated inside the pack case 21 can be quickly removed, and as a result, the occurrence of danger is prevented, thereby ensuring safety. can increase.
- the condensation removal device 40 may further include a valve 44 that opens and closes the injection pipe 41 and the discharge pipe 42.
- the valve 44 can selectively open and close the injection pipe 41 and the discharge pipe 42.
- the condensation removal device 40 opens the valve 44 only when an insulation abnormality signal is generated by the condensation detection sensor 30, and operates the air generator 43 to remove the pack case 21. It may further include a control unit 45 that supplies or exhausts air therein. Accordingly, if condensation does not occur inside the pack case 21, the injection pipe 41 and the discharge pipe 42 are closed through the valve 44 to prevent foreign substances from entering the pack case 21. And when condensation occurs inside the pack case 21, the injection pipe 41 and the discharge pipe 42 are opened through the valve 44 so that the air inside the pack case 21 can circulate.
- the condensation removal device 40 may further include a filter 46 for filtering foreign substances contained in the air passing through the injection pipe 41.
- the filter can effectively remove foreign substances contained in the air.
- the battery pack 1 according to the first embodiment of the present invention can effectively remove condensation generated inside the pack housing 20 by further including a condensation removal device 40.
- the automobile according to the second embodiment of the present invention has a structure including the battery pack 1 according to the first embodiment, as shown in FIG. 7.
- the battery pack 1 includes a battery module 10, a pack case 21 in which the battery module 10 is accommodated and opened and closed by the pack cover 22, and an insulation defect occurring inside the pack case 21. It includes a condensation detection sensor 30 that detects condensation through a signal, and the condensation detection sensor 30 includes a first conductor 31 and a second conductor 32 that are connected by condensation and generate an insulation abnormality signal. Includes.
- the battery pack 1 has the same configuration as the battery pack 1 according to the first embodiment, and thus redundant description will be omitted.
- the automobile according to the second embodiment of the present invention includes an air conditioning device that circulates air in the interior space where the driver and assistant ride.
- the air conditioning device may be the air generating unit 43 included in the battery pack 1. That is, when condensation occurs in the battery pack (1), some of the air generated by the air conditioning device is supplied to the inside of the pack case (21) of the battery pack (1). Accordingly, there is no need to provide a separate air generating unit, thereby increasing the efficiency of use.
- the vehicle according to the second embodiment of the present invention can increase safety from explosion and ignition by including the battery pack 1.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (12)
- 전지모듈;상기 전지모듈이 수용되는 팩 케이스, 및 상기 팩 케이스를 개폐하는 팩 커버로 구비된 팩 하우징; 및상기 팩 케이스의 내부에 발생한 절연 이상 신호를 통해 결로를 감지하는 결로 감지센서를 포함하며,상기 결로 감지센서는,상기 팩 케이스의 내부에 발생한 결로에 의해 연결되면서 절연 이상 신호를 발생시키는 제1 도체 및 제2 도체를 포함하는 전지팩.
- 청구항 1에 있어서,상기 제1 도체는, 상기 전지모듈의 전압 라인에 연결되는 제1 몸체와, 상기 제1 몸체에서 돌출되는 복수개의 제1 단자로 형성되고,상기 제2 도체는, 상기 팩 케이스의 그라운드에 연결되는 제2 몸체와, 상기 제2 몸체에서 돌출되는 복수개의 제2 단자로 형성되며,복수개의 제1 단자와 복수개의 제2 단자는 교대로 배치되고 결로에 의해 연결되면서 절연 이상 신호를 발생시키는 전지팩.
- 청구항 1에 있어서,상기 결로 감지센서는, 상기 전지모듈의 상면과 대응하는 상기 팩 커버의 표면에 부착되는 전지팩.
- 청구항 1에 있어서,상기 전지모듈은 복수개로 마련되며,상기 팩 케이스는,복수개의 전지모듈을 수용하는 수용공간을 구획하는 격벽; 및상기 격벽에 마련되고, 상기 팩 커버를 지지하는 지지부재를 포함하며,상기 결로 감지센서는, 상기 지지부재와 근접하는 상기 팩 커버의 표면에 부착되는 전지팩.
- 청구항 1에 있어서,상기 팩 케이스의 내부에는, 상기 전지모듈에 연결된 전원을 차단하는 전원차단장치(MSD: Manual Service Disconnect)가 포함되며,상기 결로 감지센서는, 상기 전원차단장치와 근접하는 상기 팩 커버의 표면에 부착되는 전지팩.
- 청구항 1에 있어서,상기 결로 감지센서는, 상기 팩 커버에 접착제 또는 접착필름을 이용하여 부착되는 전지팩.
- 청구항 1에 있어서,상기 전지팩은,상기 팩 케이스 내부의 공기를 순환시켜서 상기 팩 케이스의 내부에 발생한 결로를 제거하는 결로 제거장치를 더 포함하는 전지팩.
- 청구항 7에 있어서,상기 결로 제거장치는,상기 팩 케이스의 내부와 연결되는 주입관 및 배출관; 및상기 주입관을 통해 상기 팩 케이스 내부에 공기를 주입하여 상기 팩 케이스 내부의 공기를 상기 배출관을 통해 배출하는 공기 발생부를 포함하는 전지팩.
- 청구항 8에 있어서,상기 결로 제거장치는,상기 주입관과 상기 배출관을 개폐하는 밸브; 및상기 결로 감지센서에 의해 절연 이상 신호 발생시에만 상기 밸브를 개방하고, 상기 공기 발생부를 통해 상기 팩 케이스 내부의 공기를 배출시키는 제어부를 더 포함하는 전지팩.
- 청구항 8에 있어서,상기 결로 제거장치는,상기 주입관을 통과하는 공기에 포함된 이물질을 여과하는 필터를 더 포함하는 전지팩.
- 청구항 2에 있어서,상기 제1 도체와 상기 제2 도체는 구리 또는 알루미늄으로 마련되는 전지팩.
- 청구항 1에 따른 전지팩을 포함하는 자동차.
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| CN202380062995.1A CN119816986A (zh) | 2022-09-19 | 2023-09-14 | 电池组和包括该电池组的车辆 |
| JP2025514828A JP2025531883A (ja) | 2022-09-19 | 2023-09-14 | 電池パックおよびそれを含む自動車 |
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| KR1020220118218A KR20240039535A (ko) | 2022-09-19 | 2022-09-19 | 전지팩 및 그를 포함하는 자동차 |
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| JP (1) | JP2025531883A (ko) |
| KR (1) | KR20240039535A (ko) |
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| WO (1) | WO2024063443A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119108708A (zh) * | 2024-11-08 | 2024-12-10 | 深圳永泰数能科技有限公司 | 一种应用于高倍率充放电液冷散热的电池模组及控制方法 |
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| KR101887992B1 (ko) * | 2018-02-12 | 2018-09-06 | 주식회사 한국이알이시 | 아크 검출, 온도 검출, 결로 검출 및 지락 검출 기능을 구비한 ess 시스템 |
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- 2023-09-14 EP EP23868497.1A patent/EP4560781A4/en active Pending
- 2023-09-14 CN CN202380062995.1A patent/CN119816986A/zh active Pending
- 2023-09-14 JP JP2025514828A patent/JP2025531883A/ja active Pending
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| CN119816986A (zh) | 2025-04-11 |
| EP4560781A1 (en) | 2025-05-28 |
| JP2025531883A (ja) | 2025-09-25 |
| KR20240039535A (ko) | 2024-03-26 |
| EP4560781A4 (en) | 2025-12-17 |
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