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WO2012014968A1 - Dispositif de batterie, batterie et objet mobile - Google Patents

Dispositif de batterie, batterie et objet mobile Download PDF

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Publication number
WO2012014968A1
WO2012014968A1 PCT/JP2011/067234 JP2011067234W WO2012014968A1 WO 2012014968 A1 WO2012014968 A1 WO 2012014968A1 JP 2011067234 W JP2011067234 W JP 2011067234W WO 2012014968 A1 WO2012014968 A1 WO 2012014968A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
connector
terminal
charger
terminal portion
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/JP2011/067234
Other languages
English (en)
Japanese (ja)
Inventor
鷹尾　宏
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of WO2012014968A1 publication Critical patent/WO2012014968A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/10—Arrangements of batteries for propulsion
    • B62J43/13—Arrangements of batteries for propulsion on rider-propelled cycles with additional electric propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/20—Arrangements of batteries characterised by the mounting
    • B62J43/23—Arrangements of batteries characterised by the mounting dismounted when charging
    • H02J7/751—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/10—Arrangements of batteries for propulsion
    • B62J43/16—Arrangements of batteries for propulsion on motorcycles or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00—Motorised scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00—Adaptations for driving cycles by electric motor
    • 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
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present invention relates to a battery device, a battery, and a movable body including the battery device and an electric vehicle equipped with the battery.
  • Some electric vehicles, personal computers, and other digital devices are equipped with a battery, which is a secondary battery, and supplies power to the motor, control unit, and the like from this battery.
  • a battery mounted in an application such as an electric vehicle or a digital device can be charged by a commercial power source such as a general home or office.
  • a standard charger and a quick charger may be provided. Since the standard charger charges with a relatively small current, the time to full charge is relatively long. On the other hand, since the quick charger is charged with a relatively large current, the battery can be fully charged in a shorter time than the standard charger.
  • An example of a battery that can use such a standard charger and a quick charger can be found in Patent Document 1.
  • the battery pack (battery) described in Patent Document 1 includes two terminal portions, ie, a normal (standard) charging terminal portion and a quick charging terminal portion, and can perform standard charging and quick charging.
  • some battery devices including a battery and a connector (for example, a charger) that charges and discharges the battery include a controller that controls charging and discharging of the battery. Between the control units of the battery and the connector, it is possible to perform appropriate charging / discharging by communicating various information related to the power of the battery and its charging / discharging, for example, information such as battery voltage and remaining capacity. I have to.
  • CAN Controller Area Network
  • two termination resistors are normally connected to the communication bus for impedance matching.
  • the present invention has been made in view of the above points, and prevents a terminal resistor exceeding a specified value from being connected to a communication bus and properly connects a battery and a connector for charging / discharging the battery. It is an object of the present invention to provide a battery device and a battery that can be used. It is another object of the present invention to provide a moving body including a battery device and a highly reliable electric vehicle equipped with the battery.
  • the battery device of the present invention is capable of charging and discharging, a battery provided with two terminal portions used for charging or discharging, and the two terminals of the battery.
  • a connector that is electrically connected to any one of the units to perform charging or discharging, and the battery and the connector to perform communication between the battery and the connector via the terminal unit
  • Each of the battery and the connector, and a termination resistor provided for the communication bus of each of the battery and the connector, the battery or the connector comprising:
  • a connection blocking portion that blocks electrical connection to the other terminal portion of the battery is provided.
  • the connection blocking portion blocks electrical connection to the other terminal portion of the battery. Therefore, the battery device can prevent a termination resistor exceeding a specified value from being connected in a single communication bus.
  • connection blocking unit blocking electrical connection means that the connector and the terminal unit are communicably connected to each other by a structure such as a wall, shutter, lid, or protrusion. Means blocking.
  • connection blocking portion is a wall portion that closes the other terminal portion of the battery when the one terminal portion of the battery and the connector are electrically connected. It was supposed to be configured.
  • the battery device closes the other terminal portion by the wall portion. Therefore, the battery device can easily form the connection blocking portion in the battery or the connector.
  • connection blocking unit moves so as to close the other terminal portion of the battery when the one terminal portion of the battery and the connector are electrically connected. It is made up of shutters that perform.
  • the battery device closes the other terminal portion by moving the shutter. Therefore, the battery device can easily prevent electrical connection to the other terminal portion when the one terminal portion and the connector are electrically connected even if the two terminal portions are relatively separated from each other. it can.
  • connection blocking unit is provided in each connector unit included in the connector to electrically connect to the two terminal units of the battery, and the one of the batteries When the terminal portion and the connector are electrically connected to each other, the protrusion is configured to close the other terminal portion of the battery.
  • the battery device prevents electrical connection to the other terminal portion by the protrusion provided on the connector portion protruding to the surface of the other terminal portion. Therefore, the battery device can easily prevent electrical connection to the other terminal portion simply by connecting the connector to one terminal portion of the battery.
  • connection blocking portion is two lid portions that are provided so as to be openable and closable with respect to each of the two terminal portions of the battery. Changing the posture of one of the lids to a position where the other lid is maintained in a closed state when one of the lids is opened to electrically connect the terminal and the connector; did.
  • the battery device keeps the other lid portion closed by opening one of the two lid portions provided for the two terminal portions of the battery. Therefore, the battery device can easily prevent electrical connection to the other terminal portion by simply opening one lid portion of the battery.
  • the connector is a charger used for charging the battery.
  • the battery device can prevent a terminal resistor exceeding a specified value from being connected to the communication bus between the battery and its charger, communication related to charging can be suitably performed.
  • the connector is a power supply device that discharges the battery and supplies power.
  • the battery device can prevent a terminal resistor exceeding a specified value from being connected to the communication bus between the battery and a device to which the power is supplied (for example, an electric vehicle). Can be suitably performed.
  • the battery device is mounted on a moving body including an electric vehicle.
  • connection body including the electric vehicle in which the connection blocking portion blocks electrical connection to the other terminal portion of the battery is obtained. be able to.
  • the “moving body” mentioned here includes electric vehicles such as electric bicycles, motorcycles, motor tricycles, and automobiles. It includes a moving body that uses a motor as a drive source and moves unattended without a person on board. The same applies to the “moving body” described below.
  • the battery according to the present invention includes two terminal portions to which other connectors are electrically connected for use in charging or discharging, and a communication line, and the terminal portion A single communication bus for performing communication with the connector via the terminal, a termination resistor provided for the communication bus, and the one terminal portion and the connector are electrically connected And a connection blocking portion that blocks electrical connection to the other terminal portion when the connection is made.
  • the connection blocking portion blocks electrical connection to the other terminal portion of the battery. Therefore, the battery can prevent a termination resistor exceeding a specified value from being connected in a single communication bus.
  • connection blocking unit is configured by a shutter that moves so as to close the other terminal unit when the one terminal unit and the connector are electrically connected. It was decided.
  • the battery closes the other terminal portion by moving the shutter. Therefore, the battery easily prevents electrical connection to the other terminal part when the one terminal part and the connector are electrically connected even if the two terminal parts are relatively far apart. be able to.
  • connection blocking portion is two lid portions provided to be openable and closable with respect to each of the two terminal portions, and the one terminal portion and the connector
  • the posture of the one lid portion is changed to a position where the other lid portion is maintained in a closed state.
  • the battery maintains the other closed state by opening one of the two lid portions provided for the two terminal portions of the battery. Therefore, the battery can easily prevent electrical connection to the other terminal portion by simply opening one of the lid portions.
  • the battery is mounted on a moving body including an electric vehicle.
  • connection body including the electric vehicle in which the connection blocking portion blocks electrical connection to the other terminal portion of the battery is obtained. be able to.
  • a battery capable of preventing a termination resistor exceeding a specified value from being connected to the communication bus and properly connecting the battery and a connector for charging / discharging the battery.
  • An apparatus and a battery can be provided.
  • FIG. 1 is a perspective view of a battery device according to a first embodiment of the present invention. It is a block diagram which shows the structure of the battery apparatus of FIG.
  • FIG. 2 is a perspective view of the same battery device as in FIG. 1 and shows a state where the battery and the first charger are connected. It is a block diagram which shows the structure of the battery apparatus of the state shown in FIG. FIG. 2 is a perspective view of a battery device similar to that in FIG. 1 and shows a state in which a battery and a second charger are connected. It is a block diagram which shows the structure of the battery apparatus of the state shown in FIG. It is a side view which shows an example of the electric vehicle which is a mobile body carrying the battery apparatus which concerns on the 2nd Embodiment of this invention.
  • FIG. 10 is a perspective view of the same battery device as in FIG. 9 and shows a state where the battery and the second charger are connected. It is a front view of the battery apparatus which concerns on the 4th Embodiment of this invention, and shows the state which connects a battery and a 1st charger.
  • FIG. 12 is a front view of the same battery device as FIG. 11 and shows a state in which the battery and the second charger are connected.
  • the state which connects a battery and a 1st charger by making it the front view of the battery apparatus which concerns on the 5th Embodiment of this invention is shown. It is the front view of the battery apparatus similar to FIG. 13, and shows the state which connects a battery and a 2nd charger.
  • FIG. 1 is a perspective view of the battery device
  • FIG. 2 is a block diagram showing the configuration of the battery device.
  • the battery device 1 includes a battery 10 and a first charger 20 and a second charger 30 that are connectors connected to the battery 10.
  • the battery 10 includes a battery control unit 11, a battery cell 12, power lines 13a and 13b, communication lines 14c and 14d, and a termination resistor 15 inside the battery body 10a, a first terminal unit 16 on a side surface, and a bottom surface. A second terminal portion 17 is provided.
  • a handle 10b is provided on the upper surface of the battery body 10a so that the battery 10 can be easily carried by hand.
  • the battery control unit 11 includes a general microcomputer or the like, and monitors the voltage of the battery cell 12 to control charging / discharging safely.
  • the battery cell 12 includes a plurality of battery cells connected in series and in parallel.
  • the power lines 13a and 13b are used for power transfer when the battery cell 12 is charged and discharged.
  • the communication lines 14 c and 14 d are used for transmission and reception of control signals between the first charger 20 or the second charger 30 and the battery control unit 11.
  • the termination resistor 15 is provided between the communication line 14c and the communication line 14d.
  • the first terminal portion 16 is disposed on the lower side surface of the battery 10.
  • the first terminal unit 16 includes power terminals 16a and 16b and communication terminals 16c and 16d.
  • Power lines 13a and 13b are connected to the power terminals 16a and 16b, respectively, and communication lines 14c and 14d are connected to the communication terminals 16c and 16d, respectively.
  • the 1st terminal part 16 is electrically connected with the 1st charger 20, and receives charge with respect to the battery 10 (refer FIG.3 and FIG.4).
  • the second terminal portion 17 is disposed on the bottom surface of the battery 10.
  • the second terminal portion 17 includes power terminals 17a and 17b and communication terminals 17c and 17d.
  • Power lines 13a and 13b are connected to the power terminals 17a and 17b, respectively, and communication lines 14c and 14d are connected to the communication terminals 17c and 17d, respectively.
  • the second terminal unit 17 is electrically connected to the second charger 30 and receives charging for the battery 10 (see FIGS. 5 and 6).
  • the first charger 20 corresponds to, for example, a standard charger, and includes a charging control unit 21, a power supply unit 22, power lines 23a and 23b, communication lines 24c and 24d, and a termination resistor inside the charger body 20a. 25, a power cable 26, a power plug 27, a charging cable 28, and a charging connector 29 are provided outside.
  • the charging control unit 21 includes a general microcomputer and controls the first charger 20 based on the processing of the microcomputer.
  • the power supply unit 22 is connected to a commercial AC power supply via a power cable 26 and a power plug 27, and generates DC power necessary for charging the battery 10 from the commercial AC power supply.
  • the power lines 23 a and 23 b are used for power supply when charging the battery 10.
  • the communication lines 24 c and 24 d are used for communication between the battery 10 and the charging control unit 21.
  • the termination resistor 25 is provided between the communication line 24c and the communication line 24d.
  • the charging cable 28 includes power lines 23a and 23b and communication lines 24c and 24d, and extends from the charger body 20a to connect the charger body 20a and the charging connector 29.
  • the charging connector 29 includes power terminals 29a and 29b and communication terminals 29c and 29d.
  • the power terminals 29a and 29b are connected to power lines 23a and 23b, respectively, and the communication terminals 29c and 29d are connected to communication lines 24c and 24d, respectively.
  • the second charger 30 corresponds to, for example, a quick charger, and includes a charging control unit 31, a power supply unit 32, power lines 33a and 33b, communication lines 34c and 34d, and a termination resistor in the charger body 30a. 35, an external power supply cable 36, a power supply plug 37, and a charging terminal portion 38 are provided.
  • the charger main body 30a includes a concave portion 30b having a size capable of receiving the lower portion of the battery main body 10a.
  • the inner surface of the recess 30b is formed by a wall portion 30c extending along the outer surface of the battery body 10a. In consideration of attachment and detachment of the battery 10 to and from the second charger 30, the wall 30c is not formed on the front side of the recess 30b.
  • the charging control unit 31 includes a general microcomputer or the like, and controls the second charger 30 based on the processing of the microcomputer.
  • the power supply unit 32 is connected to a commercial AC power supply via a power cable 36 and a power plug 37, and generates DC power necessary for charging the battery 10 from the commercial AC power supply.
  • the power lines 33 a and 33 b are used for power supply when charging the battery 10.
  • the communication lines 34 c and 34 d are used for communication between the battery 10 and the charging control unit 31.
  • the termination resistor 35 is provided between the communication line 34c and the communication line 34d.
  • the charging terminal unit 38 includes power terminals 38a and 38b and communication terminals 38c and 38d.
  • Power lines 33a and 33b are connected to the power terminals 38a and 38b, respectively, and communication lines 34c and 34d are connected to the communication terminals 38c and 38d, respectively.
  • a single communication bus 40 is configured between the battery 10 and the first charger 20 or the second charger 30 by the communication lines 14c and 14d and the communication lines 24c and 24d or the communication lines 34c and 34d.
  • the CAN communication is performed between the battery control unit 11 and the charge control unit 21 or the charge control unit 31 via the communication bus 40 (see FIGS. 4 and 6).
  • FIGS. 3 is a perspective view of the battery device 1 and shows a state in which the battery 10 and the first charger 20 are connected.
  • FIG. 4 is a block diagram showing the configuration of the battery device 1 in the state shown in FIG.
  • Fig. 6 is a perspective view of the battery device 1 and shows a state where the battery 10 and the second charger 30 are connected
  • Fig. 6 is a block diagram showing a configuration of the battery device 1 in the state shown in Fig. 5. Note that some components are not shown in the perspective views of FIGS.
  • the charging connector 29 of the first charger 20 is connected to the first terminal portion 16 of the battery 10 as shown in FIGS. 3 and 4. Between the first terminal portion 16 and the charging connector 29, the power terminals 16a, 16b and the power terminals 29a, 29b are electrically connected, and the communication terminals 16c, 16d and the communication terminals 29c, 29d are electrically connected.
  • the power lines 13a and 13b of the battery 10 and the power lines 23a and 23b of the first charger 20 are electrically connected, and the battery 10 can be charged from a commercial AC power source via the power plug 27.
  • the communication lines 14c and 14d of the battery 10 and the communication lines 24c and 24d of the first charger 20 are electrically connected, communication capable of CAN communication between the battery 10 and the first charger 20 is possible.
  • a bus 40 is configured.
  • the charging control unit 21 of the first charger 20 safely performs constant current and constant voltage charging for the battery 10 while executing communication with the battery control unit 11 of the battery 10.
  • the first terminal portion 16 is disposed on the lower side surface of the battery 10, so as shown in FIGS. 3 and 4.
  • the charging connector 29 is caught on the wall portion 30c of the charger main body 30a to prevent connection. That is, the wall portion 30c of the charger main body 30a is connected to the first terminal portion 16 of the battery 10 when the first charger 20 is electrically connected to prevent the electrical connection to the second terminal portion 17. It is configured as.
  • the battery 10 is housed and placed in the recess 30b of the charger body 30a.
  • the charging terminal portion 38 of the two charger 30 is connected to the second terminal portion 17 of the battery 10.
  • the wall portion 30 c of the recess 30 b covers and closes the first terminal portion 16 of the battery 10.
  • the power terminals 17a and 17b and the power terminals 38a and 38b are electrically connected between the second terminal part 17 and the charging terminal part 38, and the communication terminals 17c and 17d and the communication terminals 38c and 38d are electrically connected. Connected to.
  • the power lines 13a and 13b of the battery 10 and the power lines 33a and 33b of the second charger 30 are electrically connected, and the battery 10 can be charged from the commercial AC power source via the power plug 37.
  • the communication lines 14c and 14d of the battery 10 and the communication lines 34c and 34d of the second charger 30 are electrically connected, communication that allows CAN communication between the battery 10 and the second charger 30.
  • a bus 40 is configured.
  • the charging control unit 31 of the second charger 30 safely performs constant current and constant voltage charging for the battery 10 while executing communication with the battery control unit 11 of the battery 10.
  • the wall portion 30c of the recess 30b covers and closes the first terminal portion 16, so that FIGS. As shown, the charging connector 29 cannot be connected to the first terminal portion 16. That is, the wall portion 30c of the charger main body 30a is connected to the second terminal portion 17 of the battery 10 and electrically connected to the first terminal portion 16 when the second charger 30 is electrically connected. It is configured as. Since the connection prevention part 50 closes the 1st terminal part 16 with the wall part 30c, it can be easily formed in the charger main body 30a.
  • the termination resistors exceeding the regulation that is, three termination resistors
  • the battery that can prevent the termination resistor exceeding the regulation from being connected to the communication bus 40 and can appropriately connect the battery 10 and the first charger 20 or the second charger 30.
  • the device 1 and the battery 10 can be provided.
  • FIG. 7 is a side view showing an example of an electric vehicle equipped with a battery device
  • FIG. 8 is a block diagram showing a configuration around the battery device of the electric vehicle. Since the basic configuration of this embodiment is the same as that of the first embodiment described with reference to FIGS. 1 to 6, the same reference numerals are assigned to the same components as those of the first embodiment. A description thereof will be omitted.
  • the battery device 2 includes a battery 10, a battery housing portion 67 that is a connector that is electrically connected to the battery 10 and discharges, and a drive control device. 80, and is configured to be mounted on an electric vehicle 60 that is a moving body.
  • the electric vehicle 60 is a motorcycle having a front wheel 61 and a rear wheel 62 as shown in FIG.
  • the electric vehicle 60 includes a main frame 63 and a swing arm 64 as a main frame.
  • the front end of the main frame 63 is bent upward, and the front wheel 61 and the handle 65 are supported by the front end so as to be steerable.
  • a seat 66 on which a driver sits down and a battery housing portion 67 are provided at the rear end side of the main frame 63 and at a substantially central portion in the front-rear direction of the electric vehicle 60.
  • the battery accommodating portion 67 is provided below the seat 66 and can accommodate the battery 10 therein.
  • the seat 66 also serves as a lid for the battery housing portion 67 and is attached to the battery housing portion 67 so as to be openable and closable.
  • a luggage table 68 is provided behind the seat 66 of the main frame 63 and above the rear wheel 62.
  • the swing arm 64 extends rearward from the lower portion of the seat 66 and the battery housing portion 67 at the rear of the main frame 63.
  • the rear wheel 62 is supported at the rear end of the swing arm 64.
  • the swing arm 64 is provided only on the right side of the rear wheel 62 and supports the rear wheel 62 in a cantilever state.
  • the rear wheel 62 is a drive wheel, and includes a motor 70 between the swing arm 64 and the rear wheel 62.
  • the swing arm 64 is a support member having a rear end provided at a front end portion of the motor 70 and supporting the rear wheel 62 via the motor 70.
  • a suspension unit 69 of the rear wheel 62 extends from the right side of the motor 70 toward the upper luggage platform 68.
  • the electric vehicle 60 includes a drive control device 80 that also functions as a power supply device that discharges the battery 10 and supplies power to the motor 70 in order to control the operation of the motor 70.
  • the drive control device 80 includes, for example, a drive control unit 81, an inverter circuit 82, power lines 83 a and 83 b, communication lines 84 c and 84 d, a termination resistor 85, and a power supply terminal unit 86 below the battery housing unit 67. I have.
  • the drive control unit 81 includes a general microcomputer or the like, and controls a series of operations related to traveling of the electric vehicle 60 based on a program and data stored and input in the microcomputer or other memory device.
  • the inverter circuit 82 converts the direct current power of the battery 10 into alternating current power by repeatedly conducting and interrupting the current of each switching element (not shown) controlled by the drive control unit 81. Then, when the AC power is supplied to the motor 70, the motor 70 is rotationally driven.
  • the power lines 83 a and 83 b are used when the battery 10 is discharged and power is supplied to the motor 70.
  • the communication lines 84 c and 84 d are used for communication between the battery 10 and the drive control unit 81.
  • the termination resistor 85 is provided between the communication line 84c and the communication line 84d.
  • the power supply terminal portion 86 includes power terminals 86a and 86b and communication terminals 86c and 86d.
  • Power lines 83a and 83b are connected to the power terminals 86a and 86b, respectively, and communication lines 84c and 84d are connected to the communication terminals 86c and 86d, respectively.
  • the battery accommodating part 67 which accommodates the battery 10 is comprised as a recessed part 67a of a magnitude
  • the inner surface of the recess 67a is formed by a wall portion 67b extending along the outer surface of the battery body 10a.
  • the battery 10 When the battery 10 is accommodated in the battery accommodating portion 67, the battery 10 is accommodated and placed in the recess 67 a of the battery accommodating portion 67, and the second terminal portion 17 of the battery 10 is connected to the power supply terminal portion of the drive control device 80. 86.
  • the wall portion 67 b of the recess 67 a covers and closes the first terminal portion 16 of the battery 10.
  • the power terminals 17a and 17b and the power terminals 86a and 86b are electrically connected between the second terminal portion 17 and the power supply terminal portion 86, and the communication terminals 17c and 17d and the communication terminals 86c and 86d are electrically connected. Connected to.
  • the power lines 13a and 13b of the battery 10 and the power lines 83a and 83b of the drive control device 80 are electrically connected, and the battery 10 can be discharged to supply power to the motor 70. Also, regenerative charging can be performed in which the battery 10 is charged by causing the motor 70 to function as a generator during downhill or deceleration.
  • the communication bus 40 capable of CAN communication between the battery 10 and the drive control device 80. Is configured.
  • the drive control unit 81 of the drive control device 80 drives the motor 70 by controlling the power supplied from the battery 10 while executing communication with the battery control unit 11 of the battery 10.
  • FIG. 9 is a perspective view of the battery device
  • FIG. 10 is a perspective view of the battery device, showing a state where the battery and the second charger are connected. Since the basic configuration of this embodiment is the same as that of the first embodiment described with reference to FIGS. 1 to 6, the same reference numerals are assigned to the same components as those of the first embodiment. A description thereof will be omitted.
  • the battery 10 of the battery device 3 includes an opening 18 in the exterior of the battery main body 10a as shown in FIG.
  • the opening 18 has a rectangular shape extending relatively long in the vertical direction.
  • the first terminal portion 16 is provided at a position on the inner upper end of the opening 18.
  • the first terminal portion 16 is disposed at a location relatively close to the upper surface of the battery body 10a provided with the handle 10b.
  • a shutter 19 is provided immediately inside the opening 18 and between the opening 18 and the first terminal portion 16.
  • the shutter 19 is smaller than the opening 18 in the vertical direction, and can move in the vertical direction along a slide guide (not shown). As a result, when the shutter 19 is moved to the lowermost position, the first terminal portion 16 is exposed from the opening 18, so that the charging connector 29 of the first charger 20 can be connected to the first terminal portion 16.
  • a protrusion 19 a is provided at the lower end of the shutter 19. The protrusion 19a protrudes outward through the opening 18.
  • the battery 10 When the battery 10 having such a configuration is charged using the second charger 30, as shown in FIG. 10, the battery 10 is accommodated and placed in the recess 30b of the charger body 30a. Is electrically connected to the second charger 30. At this time, the protrusion 19a of the shutter 19 contacts the upper surface of the wall 30c of the recess 30b and moves upward so that the shutter 19 is pushed up. As a result, the shutter 19 closes the first terminal portion 16.
  • the shutter 19 covers and closes the first terminal portion 16, so the first terminal portion 16. Cannot be connected to the charging connector 29. That is, the shutter 19 of the battery 10 is configured as a connection blocking unit 50 that blocks electrical connection to the first terminal unit 16 when the second charger 30 is electrically connected to the second terminal unit 17 of the battery 10. ing.
  • the 1st terminal part 16 is block
  • FIG. 11 is a front view of the battery device and shows a state in which the battery and the first charger are connected.
  • FIG. 12 is a front view of the battery device similar to FIG. 11 and the battery and the second charger are connected. It shows the state of connection. Since the basic configuration of this embodiment is the same as that of the first embodiment described with reference to FIGS. 1 to 6, the same reference numerals are assigned to the same components as those of the first embodiment. A description thereof will be omitted.
  • the battery 10 of the battery device 4 includes a first terminal portion 16 and a second terminal portion 17 on the same side surface of the exterior of the battery body 10a as shown in FIG.
  • the first terminal portion 16 and the second terminal portion 17 are provided relatively close together.
  • the charging connector 29 of the first charger 20 can be connected to the first terminal portion 16, and the second terminal portion 17 can be connected to the second terminal portion 17.
  • the charging connector 99 of the charger 90 can be connected.
  • Both the first terminal portion 16 and the second terminal portion 17 have a power terminal and a communication terminal (not shown). Further, both the charging connector 29 and the charging connector 99 have a power terminal and a communication terminal (not shown). When the first terminal portion 16 and the charging connector 29 are connected, or when the second terminal portion 17 and the charging connector 99 are connected, the power terminals and the communication terminals are electrically connected to each other.
  • the second charger 90 has the same external structure as the first charger 20 described with reference to FIG. 2 in the first embodiment. That is, the second charger 90 includes a power cable 96, a power plug 97, a charging cable 98, and a charging connector 99 in the charger main body 90a as shown in FIG.
  • the charging connector 29 of the first charger 20 is provided with a protrusion 29a.
  • the protrusion 29 a is configured to protrude to the surface of the second terminal portion 17 of the battery 10 when the first terminal portion 16 of the battery 10 and the first charger 20 are electrically connected via the charging connector 29. ing.
  • the protrusion 29 a provided on the charging connector 29 prevents the connection of the charging connector 99 of the second charger 90 to the second terminal portion 17 as shown in FIG. 11. Yes. That is, the protrusion 29 a of the charging connector 29 of the first charger 20 prevents an electrical connection to the second terminal portion 17 when the first charger 20 is electrically connected to the first terminal portion 16 of the battery 10.
  • the connection blocking unit 50 is configured.
  • the charging connector 99 of the second charger 90 is provided with a protrusion 99a.
  • the protrusion 99a is configured to protrude to the surface of the first terminal portion 16 of the battery 10 when the second terminal portion 17 of the battery 10 and the second charger 90 are electrically connected via the charging connector 99. ing.
  • connection blocking unit 50 is configured.
  • the battery device 4 includes the protrusion 29a provided on the charging connector 29 of the first charger 20 and the protrusion 99a provided on the charging connector 99 of the second charger 90 up to the surface of the other terminal portion. Protruding prevents electrical connection to the other terminal portion. Therefore, the battery device 4 can easily prevent electrical connection to the other terminal portion by simply connecting the charging connector to one terminal portion of the battery 10. That is, since the battery device 4 can prevent a terminal resistor exceeding a specified value from being connected to the communication bus between the battery 10 and its charger, communication related to charging can be suitably performed.
  • FIG. 13 is a front view of the battery device and shows a state in which the battery and the first charger are connected.
  • FIG. 14 is a front view of the battery device similar to FIG. 13 and the battery and the second charger are connected. It shows the state of connection. Since the basic configuration of this embodiment is the same as that of the first embodiment or the fourth embodiment, the same components as those of the first embodiment are denoted by the same reference numerals as before. The explanation will be omitted.
  • the battery 10 of the battery device 5 includes a first terminal portion 16 and a second terminal portion 17 on the same side surface of the exterior of the battery body 10a as shown in FIG.
  • the first terminal portion 16 and the second terminal portion 17 are provided relatively close together.
  • the charging connector 29 of the first charger 20 can be connected to the first terminal portion 16, and the second terminal portion 17 can be connected to the second terminal portion 17.
  • the charging connector 99 of the charger 90 can be connected.
  • Both the first terminal portion 16 and the second terminal portion 17 have a power terminal and a communication terminal (not shown). Further, both the charging connector 29 and the charging connector 99 have a power terminal and a communication terminal (not shown). When the first terminal portion 16 and the charging connector 29 are connected, or when the second terminal portion 17 and the charging connector 99 are connected, the power terminals and the communication terminals are electrically connected to each other.
  • a lid portion 16e is provided at a location corresponding to the first terminal portion 16 of the battery 10, and a lid portion 17e is provided at a location corresponding to the second terminal portion 17.
  • the lid portion 16 e covers and protects the first terminal portion 16, and the lid portion 17 e covers and protects the second terminal portion 17.
  • the lid portion 16 e is rotatable about a shaft portion 16 f that is parallel to the side surface on which the first terminal portion 16 is provided, so that the lid portion 16 e can be opened and closed with respect to the surface of the first terminal portion 16.
  • the protruding part 16g of the shape which protrudes toward the outer side with respect to the battery 10 is provided in the outer surface of the cover part 16e.
  • the raised portion 16g is configured to protrude to the surface of the lid portion 17e when the lid portion 16e is opened to electrically connect the first charger 20 and the first terminal portion 16 of the battery 10. .
  • FIG. 13 shows an open state of the lid portion 16e (closed state of the lid portion 17e)
  • FIG. 14 shows a closed state of the lid portion 16e.
  • the lid portion 16 e of the battery 10 is configured as a connection blocking portion 50 that blocks electrical connection to the second terminal portion 17 when the first charger 20 is electrically connected to the first terminal portion 16 of the battery 10. Has been.
  • the lid portion 17 e is rotated around a shaft portion 17 f that is parallel to the side surface on which the second terminal portion 17 is provided, so that the surface of the second terminal portion 17 is rotated. It can be opened and closed freely.
  • the protruding part 17g of the shape which protrudes toward the outer side with respect to the battery 10 is provided in the outer surface of the cover part 17e.
  • the protruding portion 17g is configured to protrude to the surface of the lid portion 16e when the lid portion 17e is opened to electrically connect the second charger 90 and the second terminal portion 17 of the battery 10. .
  • FIG. 14 shows an open state of the lid portion 17e (closed state of the lid portion 16e), and FIG. 13 shows a closed state of the lid portion 17e.
  • the lid portion 17e of the battery 10 is configured as a connection blocking portion 50 that blocks electrical connection to the first terminal portion 16 when the second charger 90 is electrically connected to the second terminal portion 17 of the battery 10. Has been.
  • the battery device 5 opens one of the lid portion 16e provided for the first terminal portion 16 and the lid portion 17e provided for the second terminal portion 17.
  • the other lid is kept closed. Therefore, the battery device 5 can easily prevent electrical connection to the other terminal portion by simply opening one lid portion of the battery 10. That is, since the battery device 5 can prevent a terminal resistor exceeding a specified value from being connected to the communication bus between the battery 10 and its charger, communication related to charging can be suitably performed.
  • the battery device 2 includes a battery 10, a battery housing portion 67 and a drive control device 80 that are connectors that are electrically connected to the battery 10 and discharge.
  • the application to the battery device of the present invention is not limited to the mobile body, but other applications. It doesn't matter.
  • the mobile body to which the battery device of the present invention is applied may be a vehicle such as a motor boat or a water play equipment, or a mobile body that uses a motor as a drive source and moves unattended without a person on board. .
  • the present invention can be used in an electric vehicle equipped with a battery device.

Landscapes

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

Abstract

L'invention porte sur un dispositif de batterie (1) qui est pourvu : d'une batterie (10) dans laquelle des unités de borne utilisées pour une charge sont placées à deux emplacements ; d'un premier chargeur de batterie (20) et d'un second chargeur de batterie (30), qui sont électriquement connectés à l'une des unités de borne dans les deux emplacements dans la batterie (10) et qui effectuent une charge ; de bus de communication individuels (40) qui sont fournis à la batterie (10) et à chaque chargeur de batterie pour effectuer des communications entre la batterie et les chargeurs par l'intermédiaire des unités de borne, et de terminateurs fournis aux bus de communication (40) pour la batterie (10) et chaque chargeur de batterie. Le second chargeur de batterie (30) est pourvu d'une unité de blocage de connexion (50) qui, lorsque l'une des unités de borne de la batterie (10) est électriquement connectée à un chargeur de batterie, bloque la connexion électrique à l'autre unité de borne de la batterie (10).
PCT/JP2011/067234 2010-07-30 2011-07-28 Dispositif de batterie, batterie et objet mobile Ceased WO2012014968A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-172174 2010-07-30
JP2010172174 2010-07-30

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WO2015130460A1 (fr) * 2014-02-25 2015-09-03 Motorola Solutions, Inc. Procédé et appareil pour commander l'accès à une ou plusieurs mémoires dans une batterie rechargeable
EP2905166A4 (fr) * 2012-10-03 2016-07-06 Kawasaki Heavy Ind Ltd Véhicule électrique et bloc-batterie
EP2664479A3 (fr) * 2012-05-19 2017-11-29 Tesla Motors, Inc. Port de service secondaire pour blocs-batteries haute tension
JP2021022696A (ja) * 2019-07-30 2021-02-18 株式会社チノー 電子機器
EP4410653A1 (fr) * 2023-02-02 2024-08-07 G. Cartier Technologies Unité d'alimentation électrique amovible et véhicule à connectique protègée
EP4572079A1 (fr) * 2023-12-14 2025-06-18 Samsung SDI Co., Ltd. Appareil de charge ou de décharge d'élément de batterie
EP4549302A4 (fr) * 2023-09-15 2025-10-15 Horwin Inc Système d'alimentation pour motocyclette électrique, et motocyclette électrique

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WO2009096228A1 (fr) * 2008-01-31 2009-08-06 Kabushiki Kaisha Toshiba Bloc batterie et système de batterie secondaire
EP2211440A2 (fr) * 2009-01-23 2010-07-28 Yunzhao Liu Chargeur multifonctionnel sur véhicule et son procédé de chargement
EP2306612A2 (fr) * 2009-09-30 2011-04-06 Sanyo Electric Co., Ltd. Appareil à batterie et véhicule électrique

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US5404090A (en) * 1991-11-21 1995-04-04 Canon Kabushiki Kaisha Electric power supply device
US5883494A (en) * 1996-08-12 1999-03-16 Mitsubishi Denki Kabushiki Kaisha Charging apparatus
WO2009096228A1 (fr) * 2008-01-31 2009-08-06 Kabushiki Kaisha Toshiba Bloc batterie et système de batterie secondaire
EP2211440A2 (fr) * 2009-01-23 2010-07-28 Yunzhao Liu Chargeur multifonctionnel sur véhicule et son procédé de chargement
EP2306612A2 (fr) * 2009-09-30 2011-04-06 Sanyo Electric Co., Ltd. Appareil à batterie et véhicule électrique

Cited By (13)

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Publication number Priority date Publication date Assignee Title
EP2664479A3 (fr) * 2012-05-19 2017-11-29 Tesla Motors, Inc. Port de service secondaire pour blocs-batteries haute tension
US10259530B2 (en) 2012-10-03 2019-04-16 Kawasaki Jukogyo Kabushiki Kaisha Assembling management system of electric vehicle and assembling method of electric vehicle
US9821882B2 (en) 2012-10-03 2017-11-21 Kawasaki Jukogyo Kabushiki Kaisha Assembling method and assembling management method of electric vehicle
EP2905166A4 (fr) * 2012-10-03 2016-07-06 Kawasaki Heavy Ind Ltd Véhicule électrique et bloc-batterie
US9840306B2 (en) 2012-10-03 2017-12-12 Kawasaki Jukogyo Kabushiki Kaisha Electric vehicle, and battery pack
US9882248B2 (en) 2014-02-25 2018-01-30 Motorola Solutions, Inc. Method and apparatus for controlling access to one or more memories in a rechargeable battery
WO2015130460A1 (fr) * 2014-02-25 2015-09-03 Motorola Solutions, Inc. Procédé et appareil pour commander l'accès à une ou plusieurs mémoires dans une batterie rechargeable
JP2021022696A (ja) * 2019-07-30 2021-02-18 株式会社チノー 電子機器
JP7269818B2 (ja) 2019-07-30 2023-05-09 株式会社チノー 電子機器
EP4410653A1 (fr) * 2023-02-02 2024-08-07 G. Cartier Technologies Unité d'alimentation électrique amovible et véhicule à connectique protègée
FR3145513A1 (fr) * 2023-02-02 2024-08-09 G. Cartier Technologies Unite d’alimentation electrique amovible et vehicule a connectique protegee
EP4549302A4 (fr) * 2023-09-15 2025-10-15 Horwin Inc Système d'alimentation pour motocyclette électrique, et motocyclette électrique
EP4572079A1 (fr) * 2023-12-14 2025-06-18 Samsung SDI Co., Ltd. Appareil de charge ou de décharge d'élément de batterie

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