WO2018086143A1 - Batterie, système de gestion de batterie, plateforme mobile et dispositif de consommation d'électricité - Google Patents

Batterie, système de gestion de batterie, plateforme mobile et dispositif de consommation d'électricité Download PDF

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Publication number
WO2018086143A1
WO2018086143A1 PCT/CN2016/105807 CN2016105807W WO2018086143A1 WO 2018086143 A1 WO2018086143 A1 WO 2018086143A1 CN 2016105807 W CN2016105807 W CN 2016105807W WO 2018086143 A1 WO2018086143 A1 WO 2018086143A1
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WO
WIPO (PCT)
Prior art keywords
battery
power
mobile platform
voltage
controller
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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/CN2016/105807
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English (en)
Chinese (zh)
Inventor
郑大阳
王文韬
王雷
罗昊
田杰
陈朝兵
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.)
SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
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Filing date
Publication date
Application filed by SZ DJI Technology Co Ltd filed Critical SZ DJI Technology Co Ltd
Priority to CN201911003491.4A priority Critical patent/CN110707776A/zh
Priority to PCT/CN2016/105807 priority patent/WO2018086143A1/fr
Priority to CN201680004470.2A priority patent/CN107112779B/zh
Publication of WO2018086143A1 publication Critical patent/WO2018086143A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements

Definitions

  • the invention relates to the technical field of safety management of a smart battery combined power supply system, in particular to a battery, a battery management system, a mobile platform and a power consumption device.
  • Each battery has an independent switch button and power indicator. When each battery is first turned on and then combined into the power supply system, the moment of access often has a large current impact, which will cause circuit damage;
  • the combined power supply system needs to have a total switch button to open, plus the signal line and power supply line, will lead to more interface terminals;
  • main and auxiliary batteries in the combined power supply system. If the battery design is different, it will increase the production cost. It is better to have a low-cost compatible method. Any battery can be used as both the main battery and the secondary battery.
  • Each smart battery has an independent power calculation system.
  • the combined power supply system needs to calculate a total power. When the communication and contact are abnormal, the combined power supply system needs to be able to correctly estimate the power of the entire system.
  • the battery management system includes:
  • a communication interface for communicating with a power controller of a mobile platform, the communication interface acquiring electrical parameters of the battery in which the battery is located and transmitting the electrical parameters to a power controller of the mobile platform for control of the power source Generating a corresponding voltage output control signal according to the electrical parameter; the communication interface further receiving a voltage output control signal sent by the power controller;
  • a voltage output control circuit coupled to the communication interface, for generating a corresponding voltage output command according to the voltage output control signal received by the communication interface, to control a battery to output a corresponding voltage.
  • a battery comprising:
  • a battery core housed in the housing
  • the battery management system is disposed inside the casing and electrically connected to the battery core, and the battery management system is configured to manage a voltage output of the battery, the battery management system comprising:
  • a communication interface for communicating with a power controller of a mobile platform, the communication interface acquiring electrical parameters of the battery in which the battery is located and transmitting the electrical parameters to a power controller of the mobile platform for control of the power source Generating a corresponding voltage output control signal according to the electrical parameter; the communication interface further receiving a voltage output control signal sent by the power controller;
  • a voltage output control circuit coupled to the communication interface, for generating a corresponding voltage output command according to the voltage output control signal received by the communication interface, to control a battery to output a corresponding voltage.
  • a mobile platform for receiving power from a battery component includes:
  • a communication terminal separately connected to a plurality of batteries included in the battery assembly, the communication terminal acquiring electrical parameters of each of the batteries;
  • a power controller connected to the communication terminal, configured to determine a power supply mode of each of the batteries according to the electrical parameter acquired by the communication terminal, and generate a corresponding voltage output control signal, and control the voltage output A signal is sent to the corresponding battery to control the battery to output a corresponding voltage.
  • An electrical device includes a mobile platform and a battery assembly that powers the mobile platform, the battery assembly including a plurality of batteries.
  • Each battery includes a communication interface and a voltage output control circuit, the mobile platform including a communication terminal and a power controller;
  • the voltage output control circuit of each battery is communicably connected to the power controller of the mobile platform through a communication interface of the battery and a communication terminal of the mobile platform;
  • the communication interface is configured to acquire electrical parameters of a battery in which the battery is located and transmit the electrical parameters to a communication terminal of the mobile platform;
  • the power controller is configured to determine a power supply mode of each of the batteries according to the electrical parameter acquired by the communication terminal, and generate a corresponding voltage output control signal, and send the voltage output control signal to a corresponding battery Communication Interface;
  • the voltage output control circuit is configured to generate a corresponding voltage output command according to the voltage output control signal received by the communication interface to control a battery to output a corresponding voltage.
  • the mobile platform is first communicably connected to the battery component, and the mobile platform determines whether the battery component satisfies a starting condition according to electrical parameters of the battery component, that is, whether high-voltage power supply can be performed, thereby It is possible to avoid excessive performance difference between the respective batteries in the battery assembly, such as voltage over-voltage caused by excessive voltage difference or excessive residual power difference, that is, a high-voltage battery charges a low-voltage battery. To ensure the safety of the mobile platform.
  • the electric device includes a mobile platform and a battery assembly, and the battery assembly includes a plurality of batteries.
  • FIG. 2 is a perspective view of a battery according to an embodiment of the invention.
  • FIG. 3 is a structural block diagram of the battery shown in FIG. 2, the battery including a battery management system.
  • FIG. 4 is a block diagram showing the structure of the battery management system shown in FIG.
  • FIG. 5 is a schematic structural diagram of a mobile platform according to an embodiment of the present invention.
  • Figure 6 is a functional block diagram of the mobile platform shown in Figure 5.
  • FIG. 7 is a schematic diagram of a connection structure between a battery and a mobile platform according to an embodiment of the present invention.
  • FIG. 8 is a specific circuit diagram of an isolator of a battery or a mobile platform according to an embodiment of the present invention.
  • FIG. 9 is a flow chart of a battery control method according to an embodiment of the present invention.
  • FIG. 10 is a flowchart of a method for controlling a power of a mobile platform according to an embodiment of the present invention
  • FIG. 11 is a schematic diagram of power start control of a battery and a mobile platform according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of an electrical device 100 according to an embodiment of the present invention.
  • the powered device 100 includes a mobile platform 30 and a battery assembly 20 that powers the mobile platform 30.
  • the battery assembly 20 includes a plurality of batteries 21.
  • each of the batteries 21 includes, but is not limited to, a housing 210, at least one battery core 211 housed in the housing 210, and a battery management system 212.
  • the battery management system 212 is electrically connected to the battery cell 211 for managing the voltage output of the battery 21 located to supply power to the mobile platform 30.
  • the mobile platform 30 can be configured to receive power from the battery assembly 20 and can be used to control voltage output of the battery assembly 20, and the battery management system 212 can be controlled according to the mobile platform 30. To manage the voltage output of the battery 21 in which it is located. The details will be described below by way of specific examples.
  • the battery management system 212 includes, but is not limited to, a communication interface 2122 and a battery controller 2127 connected to the communication interface 2122.
  • the communication interface 2122 is used for the movement.
  • the power controller 321 of the platform 30 (shown in Figure 6) is in communication connection.
  • the battery controller 2127 is connected to the communication interface 2122, and is configured to generate a corresponding voltage output command according to the voltage output control signal received by the communication interface 2122 to control a battery to output a corresponding voltage.
  • the communication interface 2122 of the battery 21 is used for communication connection with the communication terminal 331 of the mobile platform 30, so that the battery controller 2127 of the battery 21 can pass through the communication interface 2122 and the mobile platform 30.
  • the communication terminal 331 (shown in FIG. 6) is in communication connection with the power controller 321 of the mobile platform 30.
  • the communication interface 2122 acquires the electrical parameters of the battery 21 and transmits the electrical parameters to the power controller 321 of the mobile platform 30 for the power controller 321 to determine according to the electrical parameters.
  • a corresponding voltage output control signal is generated.
  • the electrical parameter includes at least one of the following: a voltage value, a remaining power, a total charge, an operating current, and a battery life.
  • the communication interface 2122 can actively acquire the electrical parameters of the battery 21 and actively send it to the power controller 321 of the mobile platform 30.
  • the communication interface 2122 can receive and respond to the signal of the electrical parameter of the battery sent by the power controller 321 of the mobile platform 30, acquire the electrical parameters of the battery 21, and send it to the station. The power controller 321 of the mobile platform 30 is described.
  • the communication interface 2122 is further configured to receive a voltage output control signal sent by the power controller 321 .
  • the battery controller is configured to generate a corresponding voltage output command according to the voltage output control signal received by the communication interface 2122 to control the battery 21 to output a corresponding voltage.
  • the battery controller includes a power management unit 2126 and a voltage output control circuit 2125.
  • the power management unit 2126 may include one of the following: an MCU, a fuel gauge, a current measuring circuit, a voltage measuring circuit, a temperature sensor, an electronic switch, and the like.
  • the voltage output control circuit 2125 may include at least one of the following: an electronic switch, a shunt circuit, a boost circuit, a buck circuit, and a voltage stabilizing circuit (for example, a low dropout linear regulator (LDO)).
  • LDO low dropout linear regulator
  • the power management unit 2126 is respectively connected to the communication interface 2122 and the voltage output control circuit 2125, and the power management unit 2126 is configured to determine, according to the type of the voltage output control signal received by the communication interface 2122. The type of voltage to be output by the battery 21. The voltage output control circuit 2125 is based on the voltage determined by the power management unit 2126. The type produces a corresponding voltage output command.
  • the voltage output control signal may include a safety voltage output control signal
  • the battery controller 2127 may generate a safety voltage output command according to the safety voltage output control signal to control the safety of the battery 21 output. Voltage.
  • the voltage output control signal may include an operating voltage output control signal
  • the battery controller 2127 may generate an operating voltage output command according to the operating voltage output control signal to control the output operation of the battery 21 Voltage.
  • the battery controller 2125 of each battery 21 of the battery assembly 20 can selectively control the battery output operating voltage, that is, the battery 21 included in the battery assembly 20 can be controlled to be individually controlled. At the same time, these batteries 21 may be selectively controlled to output an operating voltage in all or one or more of the batteries.
  • the voltage output control signal may include stopping outputting the operating voltage control signal, and the battery controller 2125 may generate a stop output operating voltage command according to the stop output operating voltage control signal to control the battery 21 Stop outputting the operating voltage.
  • the battery controller 2125 of each battery 21 of the battery assembly 20 can selectively control the battery to stop outputting the operating voltage, that is, the battery 21 included in the battery assembly 20 can be separately controlled. At the same time, these batteries 21 may be selectively controlled to stop outputting the operating voltage, all or one or more of the batteries.
  • the battery controller 2127 can also generate a safe voltage output command after controlling the battery 21 to stop outputting the operating voltage to control the battery 21 to output a safe voltage.
  • the battery controller 2127 may also generate a shutdown command after controlling the battery 21 to stop outputting the operating voltage to control the battery 21 to be turned off and stop outputting any supply voltage.
  • the battery controller 2125 of each battery 21 of the battery assembly 20 can selectively control the battery to stop outputting any supply voltage, that is, the battery 21 included in the battery assembly 20 can be separately controlled. At the same time, these batteries 21 may be selectively controlled to stop outputting any supply voltage, all or one or more of the batteries.
  • the value of the safe voltage may range from 3.3V to 17.8V, and the operating voltage may range from 18V to 26.3V.
  • the battery 21 can be configured to operate with a safe voltage normally open. Alternatively, in another of these embodiments, the battery 21 can be configured to automatically output a safe voltage when electrically coupled to the mobile platform 30.
  • the battery 21 further includes an indication unit 215.
  • the communication interface 2122 is further configured to receive an alarm prompt signal sent by the power controller 321 and display the alarm prompt signal.
  • the indication unit 215 is sent to the alarm prompt.
  • FIG. 9 is a flow chart of a battery control method in accordance with an embodiment of the present invention. This battery control method can be applied to the above system.
  • step 90 a plurality of batteries of the battery pack 20 are powered.
  • Step 91 the battery component 20 is viewed by the button of the battery assembly 20.
  • the case of the battery assembly 20 may be the power button 214 described above, and the amount of power of the battery assembly 20 may be displayed by the indicating unit 215. At this time, the battery pack 20 has no voltage output.
  • step 92 the mobile platform 30 (for example, UAV) is connected to turn on the power of the mobile platform 30. Specifically, the power button 35 of the mobile platform 30 can be pressed.
  • step 93 the signal pressed by the power button 35 is transmitted to the battery controller 2127 through the communication terminal 331 and the communication interface 2122 of the battery 21.
  • the battery controller 2127 controls the battery 21 to turn on a low voltage output (eg, a safe voltage output).
  • a low voltage output eg, a safe voltage output
  • the plurality of batteries of the battery assembly 20 may simultaneously turn on the low voltage output, or only one or more of the batteries may turn on the low voltage output.
  • the signal pressed by the power button 35 can be transmitted to the power controller 321 , and the power controller 321 issues a turn-on low voltage control signal to the battery controller 2127 according to the signal.
  • the battery controller 321 acquires electrical parameters of each battery, and determines whether the electrical parameters of the batteries meet predetermined conditions according to electrical parameters of each battery, and generates corresponding voltage output control signals according to the determination result.
  • the predetermined condition includes whether the voltage difference between the batteries is within an allowable range, and whether the remaining amount of the battery pack 20 is within an allowable range.
  • step 94 the battery controller 321 determines whether the voltage difference between the batteries of the battery assembly 20 is within an allowable range. If yes, the process proceeds to step 95; if not, the process proceeds to step 96.
  • step 95 the battery controller 321 determines whether the remaining battery capacity of the battery component 20 is within the allowable range. If yes, the process proceeds to step 97. If not, the process proceeds to step 96.
  • step 96 the battery controller 321 does not generate a voltage output control signal and generates an alarm signal to indicate an error.
  • Step 97 the battery controller 321 generates a high voltage (eg, operating voltage) output control signal, and the operating voltage output control signal is transmitted to the battery 21 through the communication terminal 331 and the communication interface 2122 of the battery 21.
  • the battery controller 2127 controls the battery 21 to output the operating voltage to supply power to the electronic components (eg, the power unit 34) of the mobile platform 30.
  • the mobile platform 30 includes, but is not limited to, the communication terminal 331 and a power controller 321 connected to the communication terminal 331 , and the communication terminal 331 is used.
  • the plurality of batteries 21 included in the battery assembly 20 are respectively communicably connected.
  • the communication terminal 331 is used for communication connection with the communication interface 2122 of the battery 21, so that the power controller 321 of the mobile platform 30 can pass the communication terminal 331 and the communication interface 2122 of the battery 21.
  • the battery controller 2127 of the battery 21 is communicatively coupled and controls the voltage output of the battery 21.
  • the communication terminal 331 acquires electrical parameters of each of the batteries 21.
  • the electrical parameters include at least one of the following: voltage value, remaining power, total charge, operating current, and battery life.
  • the power controller 321 further sends a signal for acquiring the electrical parameters of the battery to the plurality of batteries 21 included in the battery component 20 through the communication terminal 331 to actively acquire the electrical of the battery 21. parameter.
  • the power controller 321 further acquires electrical parameters of the battery 21 actively sent by the plurality of batteries 21 included in the battery component 20 through the communication terminal 331.
  • the power controller 321 is configured to determine, according to the electrical parameter acquired by the communication terminal 331, a power supply mode of each of the batteries 21, and generate a corresponding voltage output control signal, and send the voltage output control signal to A corresponding battery 21 is provided to control the battery 21 to output a corresponding voltage.
  • the power controller 321 determines the communication terminal 331. Obtaining whether the electrical parameter of the battery 21 meets a predetermined condition, and generating a safety voltage output control signal when determining that the acquired electrical parameter of the battery 21 does not satisfy the preset condition, or/and The operating voltage output control signal is generated when it is determined that the acquired electrical parameter of the battery 21 satisfies the preset condition.
  • the electrical parameter includes a voltage value
  • the power controller 321 determines a difference between a voltage value of each of the batteries 21 and a voltage value of each of the other batteries 21, and Determining a maximum value from each of the difference values, and determining that the acquired electrical parameter of the battery 21 does not satisfy the preset condition, or/and, when the maximum value is greater than or equal to a preset value When the maximum value is less than the preset value, it is determined that the acquired electrical parameter of the battery 21 satisfies the preset condition.
  • the electrical parameter includes a remaining amount of power
  • the power controller 321 determines a difference between a remaining amount of each of the batteries 21 and a remaining amount of each of the other batteries 21, and Determining a maximum value from each of the difference values, and determining that the acquired electrical parameter of the battery 21 does not satisfy the preset condition, or/and, when the maximum value is greater than or equal to a preset value When the maximum value is less than the preset value, it is determined that the acquired electrical parameter of the battery 21 satisfies the preset condition.
  • the power controller 321 may not generate any voltage control signal when it is determined that the acquired electrical parameter of the battery 21 does not satisfy the preset condition.
  • the power controller 321 generates an alarm prompt signal when determining that the acquired electrical parameter of the battery 21 does not satisfy the preset condition, and sends the alarm prompt signal to the battery. 21, in order to control the battery 21 to make an alarm prompt.
  • the present invention enables the mobile platform 30 to be in communication with the battery assembly 20 first, and the mobile platform 30 determines whether the battery assembly 20 satisfies the start condition according to the electrical parameters of the battery assembly 20, that is, whether High-voltage power supply is performed, so that the performance difference between the individual batteries 21 in the battery assembly 20 can be prevented from being excessively large, for example, the voltage difference is too large or the residual power difference is too large, etc., that is, the high-voltage battery is given.
  • the charging of the low voltage battery occurs to ensure the safe use of the mobile platform 30.
  • the battery 21 further includes the housing 210.
  • the battery controller 2127 is electrically connected to the power button 214, and the battery controller 2127 receives the power button 35 (shown in FIG. 6) or the battery of the mobile platform 30.
  • a safety voltage output command is generated to control the battery 21 to output a safe voltage.
  • the electrical parameter includes at least a current remaining power and a total charged power
  • the battery controller 2127 is further connected to the power button 214 and the indicating unit 215, respectively, where the battery controller 2127 is used. Obtaining a current remaining power and a total charging power of the battery 21, calculating a ratio of the current remaining power to the total charging power, and transmitting the ratio to the pressing signal when the power button 214 is pressed is detected
  • the instruction unit 215 performs power display.
  • the power button 214 of the battery 21 is not used as a high voltage output switch of the battery 21, but is used as a switch for battery power display and/or safety voltage output, so that the battery assembly 20 can be effectively avoided in each battery.
  • the mobile platform 30 is powered with excessive performance differences between the 21s to ensure that the mobile platform 30 is safe for use.
  • the battery management system 212 can also actively manage the voltage output of the battery 21 in which it is located. The details will be described below by way of specific examples.
  • the battery management system 212 further includes a connection status detection interface 2121, and the connection status detection interface 2121 is electrically connected to the mobile platform 30 and electrically connected to the mobile platform 30.
  • Receive an in-position signal is a DC voltage signal or a pulse signal from the mobile platform 30.
  • the battery controller 2127 is electrically connected to the connection state detection interface 2121, and detects the in-position signal on the connection state detection interface 2121 in real time.
  • the battery controller 2127 is further configured to generate a stop output operating voltage command when the in-position signal is not detected, to control the battery 21 to stop outputting the operating voltage, and/or the battery controller 2127 is further used to A safety voltage output command is generated when the in-position signal is detected to control the battery 21 to output a safe voltage.
  • the battery management system 212 of the present invention manages the voltage output of the battery 21 by actively detecting the connection state of the battery 21 and the mobile platform 30, thereby effectively preventing the battery 21 from being connected to the mobile platform 30 in the power-on state. Instantaneous voltage shock as well as the resulting The circuit of the mobile platform 30 is damaged. In addition, when the battery 21 is separated from the moving platform 30, the power supply is automatically stopped.
  • the battery controller 2127 can also generate a stop output operation voltage command when the communication interface 2122 receives a shutdown control signal that controls the shutdown of the mobile platform 30 to The battery 21 in which the control is located stops outputting the operating voltage.
  • the shutdown control signal may be a signal generated when the power button 35 (shown in FIG. 6) of the mobile platform 30 is pressed, or a remote control signal sent from a control terminal (not shown).
  • the power controller 321 is further configured to generate a stop output operation voltage control signal when receiving a shutdown signal that controls the shutdown of the mobile platform 30, and stop the An output operation voltage control signal is sent to each of the batteries 21 to control each of the batteries 21 to stop outputting an operating voltage.
  • the mobile platform 30 further includes the power button 35, and the shutdown signal may be a signal generated when the power button 35 of the mobile platform 30 is pressed, or a remote control signal sent by a control terminal (not shown). .
  • the shutdown signal generated when the power button 35 is pressed may also be directly transmitted to the battery 21.
  • the present invention automatically disconnects the high voltage of the mobile platform 30 after the mobile platform 30 is turned off, thereby effectively preventing the high voltage from being applied to the mobile platform 30 when the mobile platform 30 is in the off state. Circuit damage caused by platform 30.
  • the high voltage power module and the low voltage power module of the mobile platform 30 are configured separately and separately received and powered. The details will be described below by way of specific examples.
  • the battery management system 212 further includes a safety voltage output interface 2123 and an operating voltage output interface 2124, wherein the safety voltage output interface 2123 is electrically connected to the battery cell 211 of the battery 21, the safety voltage.
  • the output interface 2123 is also for electrically connecting to the safety voltage receiving terminal 332 (shown in FIG. 6) of the mobile platform 30, and transmitting a safety voltage to the mobile platform 30 through the safety voltage receiving terminal 332.
  • the operating voltage output interface 2124 is electrically connected to the battery cell 211 of the battery 21, The operating voltage output interface 2124 is also for electrically connecting to the operating voltage receiving terminal 333 (shown in FIG. 6) of the mobile platform 30, and transmitting an operating voltage to the mobile platform 30 through the operating voltage receiving terminal 333.
  • the safety voltage output interface 2123 and the operating voltage output interface 2124 are electrically connected to the battery cell 211 through the voltage output control circuit 2125.
  • the battery 21 may further include a connection interface 2120 disposed on the housing 210, the connection state detection interface 2121, the communication interface 2122, the safety voltage output interface 2123, and The operating voltage output interface 2124 can be integrated into the connection interface 2120.
  • each of the interfaces 2121-2124 can be a pin of the connection interface 2120.
  • the connection interface 2120 can also be omitted.
  • the connection state detection interface 2121, the communication interface 2122, the safety voltage output interface 2123, and the operating voltage output interface 2124 can be separately and independently On the housing 210.
  • the mobile platform 30 further includes a center board 32 , wherein the center board 32 is provided with a plurality of electronic components, and the electronic component includes the power controller 321 . .
  • the power controller 321 and other electronic components on the center board 32 operate at a safe voltage provided by the battery pack 20.
  • the mobile platform 30 further includes a safety voltage receiving terminal 332 electrically connected to the center plate 32 and configured to receive the safety voltage provided by the battery component 20 and transmit it to the Electronic components on the center plate 32.
  • the mobile platform 30 further includes a body 31 and a power unit 34 disposed on the body 31 .
  • the power unit 34 is electrically connected to the battery assembly 20 for receiving power of the battery assembly 20 and providing driving power to the mobile platform 30.
  • the power unit 34 operates at an operating voltage provided by the battery assembly 20.
  • the mobile platform 30 further includes an operating voltage receiving terminal 333,
  • the operating voltage receiving terminal 333 is electrically connected to the power unit 34 and is configured to receive an operating voltage supplied from the battery pack 20 and transmit it to the power unit 34.
  • the mobile platform 30 may further include a connection port 33, and the communication terminal 331, the safety voltage receiving terminal 332, and the operating voltage receiving terminal 333 may be integrated into the connection port 33.
  • each of the terminals 331-333 may be one pin of the connection port 33, respectively.
  • the connection port 33 may also be omitted, and the communication terminal 331, the safety voltage receiving terminal 332, and the operating voltage receiving terminal 333 may be separately and independently disposed.
  • the mobile platform 30 of the present invention can be separately provided and separately powered by a high voltage power module, such as the power unit 34, and a low voltage power module, such as the power source controller 321, so that the battery can be Before the component 20 is started, the power controller 321 is supplied with low voltage power, so that the power controller 321 can work and first acquire the electrical parameters of the respective batteries 21 of the battery component 20 and determine whether the battery component 20 meets the requirements.
  • a high voltage power module such as the power unit 34
  • a low voltage power module such as the power source controller 321
  • the starting condition that is, whether high-voltage power supply can be performed, and after determining that the battery assembly 20 meets the starting condition, the battery assembly 20 is controlled to supply power to the high-voltage power module of the mobile platform 30, so that the battery assembly 20 can be avoided in each
  • the situation where the difference in performance between the batteries 21 is excessively large causes the voltage of the mobile platform 30 to be supplied with high voltage, that is, the high voltage battery charges the low voltage battery to ensure the power consumption of the mobile platform 30. Safety.
  • the mobile platform 30 is an unmanned aerial vehicle, and the power unit 34 is configured to provide flight power to the unmanned aerial vehicle.
  • the electronic component further includes at least one of the following: a flight controller, a positioning unit, a barometer, an image sensor, and a wireless communication device.
  • the mobile platform 30 can also be used to carry a load 38.
  • the mobile platform 30 can also be used to monitor the remaining power of the battery component 20. The details will be described below by way of specific examples.
  • the electrical parameter includes at least a remaining power
  • the power controller 321 is further configured to determine, according to the remaining battery power acquired by the communication terminal 331, the battery 21 in the battery component 20 that is in an effective power supply state. The total remaining capacity.
  • the power controller 321 when the power controller 321 acquires the current remaining power of all the batteries 21 of the battery assembly 20, it is determined that all the batteries 21 are currently in a valid power supply state. And determine the sum of the remaining power of all the batteries as the total remaining amount. And/or, the power controller 321 determines that all the batteries 21 are currently in an inactive power supply state when the current remaining power of the battery 21 of the battery assembly 20 is not acquired, and determines that the total remaining power is zero.
  • the electrical parameter further includes an operating current
  • the power controller 321 does not acquire the current remaining amount of the battery 21 of the battery component 20, and the currently acquired operation of the battery 21
  • the power controller 321 does not acquire the current remaining amount of the battery 21 of the battery component 20, and the currently acquired operation of the battery 21
  • the power controller 321 does not acquire the current remaining power of the partial battery 21 of the battery component 20, and the current operating current of each of the currently acquired batteries 21 does not occur in the first predetermined multiple of the rising jump. At the same time, it is determined that all the batteries 21 of the battery assembly 20 are currently in an effective power supply state, and the current remaining power of the partial battery 21 is estimated, and the estimated current remaining power of the partial battery 21 is compared with each currently acquired power. The sum of the remaining amounts of the batteries 21 is determined as the total remaining amount of electricity.
  • the battery assembly 20 includes two batteries 21, the first predetermined multiple being 1.5 times.
  • the electrical parameter further includes a total charge quantity
  • the power controller 321 estimates the partial battery acquired at a previous time when estimating the current remaining power of the partial battery 21.
  • the difference between the remaining charge of 21 and the second predetermined multiple of the total charge of the partial battery 21 is determined as the current remaining charge of the partial battery 21.
  • the second predetermined multiple may be set to be one-hundredfold.
  • the electrical parameter further includes a total charging power
  • the power controller 321 further calculates a sum of total charging powers of all the batteries 21 according to the obtained total charging power of each of the batteries 21, and according to the Calculating a ratio of the total remaining power and the total charged amount to the sum of the total remaining amount of the battery component 20 and the total charged amount.
  • the mobile platform 30 further includes a power display unit 36 communicably connected to the power controller 321 , and the power controller 321 transmits the ratio to the power display.
  • the display unit 36 performs power display.
  • the mobile platform 30 can make a smart power estimation in time, thereby enabling The remaining battery capacity of the battery assembly 20 is effectively monitored to prompt the operator to make correct operational decisions in a timely manner. For example, taking the unmanned aerial vehicle as the mobile platform 30 as an example, when the battery assembly 20 is insufficient in power, the operator may be prompted to land and shut down the unmanned aerial vehicle in time to prevent the unmanned aerial vehicle from being The occurrence of a crash event caused by insufficient power supply of the battery pack 20.
  • FIG. 10 is a flowchart of a method of controlling a power of a mobile platform according to an embodiment of the present invention.
  • the power control method of the mobile platform can be applied to the above mobile platform.
  • step 1001 the power controller 321 determines whether the battery of the battery pack 20 is abnormal.
  • the battery pack 20 including the two batteries 21 will be described as an example.
  • the abnormality includes, but is not limited to, the power controller 321 cannot acquire the power of the battery 21, for example, the communication between the battery 21 and the power controller 321 is abnormal, or the battery 21 is faulty.
  • the process proceeds to step 1002. If an abnormality occurs in one of the batteries 21, the process proceeds to step 1003. If both batteries are abnormal, the process proceeds to step 1007.
  • step 1002 the power controller 321 calculates a percentage of the total amount of power of the battery component 20 as a ratio of the remaining battery capacity of the two batteries and the sum of the full capacity of the two batteries.
  • step 1003 when one of the batteries is abnormal, the current of the normal battery is obtained.
  • step 1004 the power controller 321 determines whether the current of the normal battery has a predetermined multiple (for example: 1.5 times) jump. When there is a jump of a predetermined multiple, the process proceeds to step 1005, and if not, the process proceeds to step 1006.
  • a predetermined multiple for example: 1.5 times
  • step 1005 the power controller 321 calculates the percentage of the total battery capacity of the battery component 20 as the ratio of the normal battery remaining capacity to the sum of the two battery full charge capacities.
  • the power controller 321 calculates a percentage of the total amount of power of the battery component 20 as a ratio of the remaining battery capacity of the two batteries to the sum of the full capacity of the two batteries.
  • the remaining capacity of the abnormal battery is based on the remaining capacity of the abnormal battery before the abnormality, and is constant
  • the rate of consumption eg, a percentage of its design capacity per second
  • Step 1007 If both the batteries are abnormal in communication, it is determined that the battery assembly 20 is in an inactive power state, and the process proceeds to step 1008, and the power controller 321 calculates that the total power percentage is zero.
  • the mobile platform 30 is multiplexed with the communication line by using a power switch bus to save the connector terminals.
  • a power switch bus to save the connector terminals.
  • FIG. 7 and FIG. 11 are schematic diagrams showing the connection structure of the battery 21 and the mobile platform 30 according to the embodiment of the present invention.
  • the power button 35 is respectively connected to the plurality of batteries 21 included in the battery assembly 20 through the communication terminal 331.
  • the mobile platform 30 further includes an isolator 37.
  • the isolator 37 is disposed between the communication terminal 331 and the power controller 321 for blocking the power controller 321
  • the signal generated by the power button 35 interferes with the signal.
  • the interference signal generated by the power controller 321 is isolated by the blocker 37 before the battery 21 is energized to prevent the interference signal generated by the power controller 321 from being mistaken when the battery is inserted. It is thought that there is a button press operation, thereby waking up the battery 21 by mistake.
  • the isolator 37 includes two connecting ends 371, 372 and a control end 373.
  • the two connecting ends 371, 372 are electrically connected to the communication terminal 331 and the power controller 321 respectively.
  • the control terminal 373 is electrically connected to the operating voltage receiving terminal 333, and when the control terminal 373 receives an operating voltage through the operating voltage receiving terminal 333, the two connecting ends 371 of the isolator 37 And 372 are turned on, and the communication terminal 331 is electrically connected to the power controller 321 .
  • the signal transmitted between the two connection ends 371, 372 is delayed and distorted, that is, the transmission between the power controller 321 and the battery assembly 20
  • the communication signal passes through the isolator 37 without delay and distortion.
  • the isolator 37 includes a plurality of MOS tubes.
  • the MOS transistor can be an NMOS transistor or a PMOS transistor.
  • the plurality of MOS tubes may be connected in series.
  • the isolator 37 includes two NMOS transistors Q9 and Q10, which are connected in reverse series. Each NMOS tube has a parasitic two Tube.
  • the communication signal outputted by the battery terminal passes through the two NMOS transistors Q9 and Q10 in sequence, and is output to the power source controller 321, and the communication signal has no delay and distortion when passing through the isolator 37. Direct communication between the battery pack 20 and the power controller 321 is isolated by the isolator 37.
  • the isolator 37 can also include other electronic switches, such as diodes, solid state relays, and the like.
  • the mobile platform 30 of the present invention is multiplexed with the communication line by using a power switch bus, and the line can be used as a power button switch detection when not communicating, which can save the connector terminal.
  • the battery assembly 20 is activated after being electrically powered. By introducing an isolator 37, the present invention can effectively avoid the occurrence of the above-mentioned false triggering operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un système de gestion de batterie (212) permettant de gérer la tension de sortie d'une batterie (21). Le système de gestion de batterie (212) comprend une interface de communication (2122) et un contrôleur de batterie (2127); l'interface de communication (2122) est utilisée pour une connexion en communication à un dispositif de commande de puissance (321) d'une plateforme mobile (30); l'interface de communication (2122) obtient un paramètre électrique de la batterie (21) et transmet le paramètre électrique au dispositif de commande de puissance (321) de la plateforme mobile (30), de telle sorte que le dispositif de commande de puissance (321) génère un signal de commande de tension de sortie correspondant en fonction du paramètre électrique; l'interface de communication (2122) reçoit en outre le signal de commande de tension de sortie envoyé par le dispositif de commande de puissance (321); le contrôleur de batterie (2127) est connecté à l'interface de communication (2122) et est utilisé pour générer une instruction de tension de sortie correspondante en fonction du signal de commande de tension de sortie reçu par l'interface de communication (2122) de manière à commander la batterie (21) pour délivrer une tension correspondante. L'invention concerne également une batterie (21), une plateforme mobile (30) et un dispositif de consommation d'électricité (100).
PCT/CN2016/105807 2016-11-14 2016-11-14 Batterie, système de gestion de batterie, plateforme mobile et dispositif de consommation d'électricité Ceased WO2018086143A1 (fr)

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CN201911003491.4A CN110707776A (zh) 2016-11-14 2016-11-14 电池、电池管理系统、移动平台以及用电设备
PCT/CN2016/105807 WO2018086143A1 (fr) 2016-11-14 2016-11-14 Batterie, système de gestion de batterie, plateforme mobile et dispositif de consommation d'électricité
CN201680004470.2A CN107112779B (zh) 2016-11-14 2016-11-14 电池、电池管理系统、移动平台以及用电设备

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PCT/CN2016/105807 WO2018086143A1 (fr) 2016-11-14 2016-11-14 Batterie, système de gestion de batterie, plateforme mobile et dispositif de consommation d'électricité

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110970978A (zh) * 2019-12-26 2020-04-07 上海派能能源科技股份有限公司 一种电池开机电路和锂电池
CN114498890A (zh) * 2021-12-27 2022-05-13 歌尔光学科技有限公司 多电池的主电池切换方法、装置、设备、系统及存储介质
CN116700074A (zh) * 2023-05-29 2023-09-05 深圳金正方科技股份有限公司 一种自动去除控制命令干扰的方法、装置和智能电表系统
WO2024230538A1 (fr) * 2023-05-05 2024-11-14 北京车和家汽车科技有限公司 Procédé de réponse de perte de communication de batterie de véhicule, support de stockage et dispositif électronique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110327127A (zh) * 2019-08-08 2019-10-15 上海飞科电器股份有限公司 电动牙刷防止飞溅控制系统以及电动牙刷
CN111835056B (zh) * 2019-12-31 2022-07-15 杭州青奇科技有限公司 电池管理方法、应用其的供电电池以及供电系统
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101908773A (zh) * 2009-06-04 2010-12-08 凹凸电子（武汉）有限公司 电池组充/放电系统及方法
CN102097844A (zh) * 2011-01-17 2011-06-15 余维 一种智能电池管理系统
CN102593893A (zh) * 2012-02-01 2012-07-18 广州市香港科大霍英东研究院 一种实现电池组均衡放电的系统
CN102832657A (zh) * 2011-06-16 2012-12-19 凹凸电子（武汉）有限公司 电池管理系统及电池管理方法
CN104009512A (zh) * 2013-02-25 2014-08-27 波音公司 电池模块系统
CN104242385A (zh) * 2014-08-26 2014-12-24 东莞莱玛电子科技有限公司 一种电池包、充电器、充电系统、放电装置及放电系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130037455A (ko) * 2011-10-06 2013-04-16 삼성전자주식회사 휴대용 단말기의 전원 제어 방법 및 장치
CN104580654B (zh) * 2013-10-09 2019-05-10 中兴通讯股份有限公司 一种终端及电子防水的方法
CN108736541B (zh) * 2015-07-31 2020-08-07 深圳市大疆创新科技有限公司 供电系统、供电控制方法及具有该供电系统的可移动平台
CN205199822U (zh) * 2015-09-22 2016-05-04 深圳市杰仕博科技有限公司 用于电子雾化器的电池装置
CN206442128U (zh) * 2016-11-14 2017-08-25 深圳市大疆创新科技有限公司 电池、电池管理系统、以及移动平台

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101908773A (zh) * 2009-06-04 2010-12-08 凹凸电子（武汉）有限公司 电池组充/放电系统及方法
CN102097844A (zh) * 2011-01-17 2011-06-15 余维 一种智能电池管理系统
CN102832657A (zh) * 2011-06-16 2012-12-19 凹凸电子（武汉）有限公司 电池管理系统及电池管理方法
CN102593893A (zh) * 2012-02-01 2012-07-18 广州市香港科大霍英东研究院 一种实现电池组均衡放电的系统
CN104009512A (zh) * 2013-02-25 2014-08-27 波音公司 电池模块系统
CN104242385A (zh) * 2014-08-26 2014-12-24 东莞莱玛电子科技有限公司 一种电池包、充电器、充电系统、放电装置及放电系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110970978A (zh) * 2019-12-26 2020-04-07 上海派能能源科技股份有限公司 一种电池开机电路和锂电池
CN114498890A (zh) * 2021-12-27 2022-05-13 歌尔光学科技有限公司 多电池的主电池切换方法、装置、设备、系统及存储介质
WO2024230538A1 (fr) * 2023-05-05 2024-11-14 北京车和家汽车科技有限公司 Procédé de réponse de perte de communication de batterie de véhicule, support de stockage et dispositif électronique
CN116700074A (zh) * 2023-05-29 2023-09-05 深圳金正方科技股份有限公司 一种自动去除控制命令干扰的方法、装置和智能电表系统

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