WO2011102524A1 - Dispositif de diagnostic pour module accumulateur rechargeable - Google Patents

Dispositif de diagnostic pour module accumulateur rechargeable Download PDF

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Publication number
WO2011102524A1
WO2011102524A1 PCT/JP2011/053783 JP2011053783W WO2011102524A1 WO 2011102524 A1 WO2011102524 A1 WO 2011102524A1 JP 2011053783 W JP2011053783 W JP 2011053783W WO 2011102524 A1 WO2011102524 A1 WO 2011102524A1
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WO
WIPO (PCT)
Prior art keywords
secondary battery
probe
state value
electrode side
negative electrode
Prior art date
Application number
PCT/JP2011/053783
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English (en)
Japanese (ja)
Inventor
飯田　政巳
満文 後藤
Original Assignee
三菱重工業株式会社
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Filing date
Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Publication of WO2011102524A1 publication Critical patent/WO2011102524A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—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
    • H01M10/4285—Testing apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/364—Battery terminal connectors with integrated measuring arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a diagnostic apparatus for a secondary battery module including a secondary battery and its control circuit.
  • Examples of secondary battery module diagnostic devices include those described in Patent Documents 1 and 2 below.
  • the control circuit detects the internal resistance of the secondary battery, and evaluates the deterioration state, capacity, and the like of the secondary battery based on the detection result.
  • a measuring instrument such as a tester to measure multiple state values such as the voltage between terminals and can voltage for the replaced battery, and check for battery abnormalities.
  • the target state value is measured by bringing a tester probe into contact with a position suitable for measurement of the target state value.
  • the above state values are measured with respect to the battery before replacement using a measuring instrument such as a tester without immediately replacing the battery.
  • a measuring instrument such as a tester
  • an object of the present invention is to provide a diagnostic apparatus for a secondary battery module that can reduce the trouble of diagnosing the secondary battery module by paying attention to such problems of the prior art.
  • the present invention relating to a diagnostic apparatus for a secondary battery module is for connecting a secondary battery, a control circuit for obtaining a state value of the secondary battery and outputting the state value, and the control circuit and an external device.
  • a secondary battery module diagnostic device comprising: a probe used for measuring the state value of the secondary battery or a basic state value necessary for obtaining the state value. And a diagnostic device that diagnoses the secondary battery based on the state value or the basic state value measured by the measuring device.
  • the measuring device is connected to the diagnostic device and covers the diagnostic side connector connected to the control side connector and the upper surface side where the electrode terminal of the secondary battery is provided, and the state value or the A lid plate that holds the diagnostic connector at a position where the diagnostic connector can be connected to the control connector while holding the probe at a position where a basic state value can be measured.
  • the diagnostic device receives the state value or the basic state value measured by the measuring device, and receives the state value from the control circuit via the control-side connector and the diagnosis-side connector; The state value from the measuring instrument or the state value obtained from the basic state value is compared with the state value from the control circuit to determine whether or not both state values are within the same range.
  • the state value obtained from the state value from the measuring instrument or the basic state value when the state value is determined to be within the same range by the comparison unit and the control unit, and the control circuit An abnormality determination unit that determines whether or not the secondary battery is normal based on at least one of the state values from the output, and a determination result in the abnormality determination unit, By the comparison unit, the The state value is determined to be within the same range, and an output unit for outputting to the effect that the control circuit is normal.
  • the probe when the cover plate is disposed on the upper surface side of the secondary battery, the probe is positioned at a position where the target state value can be measured, and the diagnosis side connector is connected to the control side connector. For this reason, the trouble of arrangement
  • positioning of a probe and the connection of a connector can be saved, and the effort of the diagnosis of a secondary battery module can be reduced.
  • the diagnostic apparatus for a secondary battery module includes a contact probe that contacts a part of the upper surface side of the secondary battery as the probe, and the contact probe includes a fixing portion that is fixed to the lid plate.
  • a contact pin that contacts the part of the secondary battery, and the contact pin that is attached to the fixing portion and the cover plate is disposed on the upper surface side of the secondary battery. And an elastic member that is pressed to the side.
  • the contact pressure between the contact pin of the contact probe and the contact object can be easily set to the target contact pressure.
  • the lid plate holds the diagnostic side connector movably in the insertion / removal direction with respect to the control side connector when the lid plate is arranged on the upper surface side of the secondary battery. You may have a connector holding part.
  • the cover plate has a connector holding member that holds the diagnostic connector in a movable manner, so that even if the probe has a contact probe that contacts a part of the upper surface side of the secondary battery, the diagnosis can be performed.
  • the connection between the side connector and the control side connector and the contact between the contact probe and the contact object can be reliably executed.
  • the secondary battery module includes a signal line for connecting the control circuit and the secondary battery, and disconnection and connection of the signal line so that the control circuit acquires the state value of the secondary battery.
  • the diagnostic device disconnects the connection switch of the secondary battery module when the abnormality determination unit determines that the two state values are not within the same range. You may provide the connection control part made to be in a state.
  • connection control unit even if the control circuit is abnormal and the secondary battery is abnormal due to this abnormality, the connection control unit can cause the connection switch to be disconnected.
  • the connection between the control circuit and the secondary battery is disconnected, adverse effects on the secondary battery from the control circuit can be avoided.
  • the state quantity of the secondary battery is measured by a measuring instrument, and the presence or absence of abnormality of the secondary battery is determined using this state quantity. Thus, the determination can be made accurately.
  • the receiving unit of the diagnostic device receives the state value from the measuring device after the connection switch of the secondary battery module is disconnected by the connection control unit.
  • the abnormality determination unit of the diagnostic device receives the basic state, and the state value obtained from the state value or the basic state value from the measuring device after the connection switch is turned off, When determining whether or not the secondary battery is abnormal, and determining that the secondary battery is normal, the control unit notifies the output unit that the control circuit is abnormal, and the output unit includes the abnormality determination unit. Determining that there is no abnormality in the secondary battery and notifying that the control circuit is abnormal, outputs that the secondary battery is normal and that the control circuit is abnormal. May be.
  • the secondary battery module has a switch-side connector for giving a control signal from the outside to the connection switch, and the measuring instrument is connected to the diagnostic instrument. And having a second diagnosis side connector connected to the switch side connector, wherein the cover plate holds the probe at a position where the state value or the basic state value can be measured, and the second diagnosis The second diagnosis side connector may be held at a position where the side connector can be connected to the switch side connector.
  • the second diagnosis side connector connected to the switch side connector is provided on the cover plate, the second diagnosis side connector is connected to the switch side connector by arranging the cover plate on the upper surface side of the secondary battery. Therefore, the trouble of connecting the connector can be saved.
  • the measuring instrument may serve as the probe, a positive-side current supply terminal that contacts a positive terminal of the secondary battery, a positive-side potential measurement probe, and a negative terminal of the secondary battery.
  • the charge / discharge current is generated in accordance with an instruction from the negative electrode side current supply end and the negative electrode side potential measurement probe in contact with the diagnostic device, and the charge / discharge current is passed through the positive electrode side current supply end and the negative electrode side current supply end.
  • a charge / discharge current generator that supplies the secondary battery, a current measurement unit that measures a current flowing through the positive current supply end or the negative current supply end, a potential applied to the positive potential measurement probe, and the A voltage measurement unit that measures a potential applied to the negative electrode side potential measurement probe, and the abnormality determination unit of the diagnostic device has the charge / discharge current generation unit generating the charge / discharge current.
  • a phase difference between a voltage that is a difference between a potential applied to the positive electrode side potential measurement probe and a potential applied to the negative electrode side potential measurement probe and a current measured by the current measurement unit is obtained, and the phase difference is If the threshold value for the phase difference is exceeded, it may be determined that the secondary battery is abnormal.
  • the measuring device has a temperature detection probe for detecting the temperature in the installation environment of the secondary battery as the probe, and the diagnostic device uses the signal from the temperature detection probe to detect the secondary battery.
  • a temperature measuring unit for measuring a temperature in an installation environment of the battery, wherein the abnormality determination unit of the diagnostic device is based on the phase difference when the charge / discharge current generating unit generates the charge / discharge current;
  • a threshold value corresponding to the temperature measured by the temperature measurement unit may be set as the threshold value for the phase difference.
  • the abnormality determination unit is configured to determine whether the potential applied to the positive potential measuring probe and the potential applied to the negative potential measuring probe measured by the voltage measuring unit when no current flows through the secondary battery.
  • the charging rate of the secondary battery may be obtained using a voltage that is a difference, and a threshold value corresponding to the charging rate may be determined as the threshold value for the phase difference.
  • the phase difference between the battery current and the battery voltage when the charge / discharge current is passed through the secondary battery is obtained, and the presence or absence of abnormality of the secondary battery is determined according to this phase difference. It is possible to determine whether or not the secondary battery has a deterioration abnormality.
  • the measuring instrument may serve as the probe, a positive-side current supply terminal that contacts a positive terminal of the secondary battery, a positive-side potential measurement probe, and a negative terminal of the secondary battery.
  • the charge / discharge current is generated in accordance with an instruction from the negative electrode side current supply end and the negative electrode side potential measurement probe in contact with the diagnostic device, and the charge / discharge current is passed through the positive electrode side current supply end and the negative electrode side current supply end.
  • a charge / discharge current generator for supplying the secondary battery to the secondary battery, a voltage measuring unit for measuring a potential applied to the positive electrode side potential measuring probe, and a potential applied to the negative electrode side potential measuring probe.
  • the abnormality determination unit includes a potential applied to the positive potential measurement probe and a negative potential measurement probe when the charge / discharge current generation unit generates the charge / discharge current. That the potential and the difference calculated fluctuation width of the voltage is of the said variation range exceeds the threshold value for the fluctuation range, it may be determined that the secondary battery is abnormal.
  • the measuring device has a temperature detection probe for detecting the temperature in the installation environment of the secondary battery as the probe, and the diagnostic device uses the signal from the temperature detection probe to detect the secondary battery.
  • a threshold value corresponding to the temperature measured by the temperature measurement unit may be set as the threshold value for the fluctuation range.
  • the abnormality determination unit is configured to determine whether the potential applied to the positive potential measuring probe and the potential applied to the negative potential measuring probe measured by the voltage measuring unit when no current flows through the secondary battery.
  • a charging rate of the secondary battery may be obtained using a voltage that is a difference, and a threshold value corresponding to the charging rate may be set as the threshold value for the fluctuation range.
  • the phase difference between the battery current and the battery voltage when the charge / discharge current is passed through the secondary battery is obtained, and the presence or absence of abnormality of the secondary battery is determined according to this phase difference. It is possible to determine whether or not the secondary battery has a deterioration abnormality.
  • the positive electrode side potential measurement probe has a positive electrode side contact pin that contacts a positive electrode terminal of the secondary battery, and the positive electrode side current supply end is connected to the positive electrode side contact.
  • a positive electrode side contact end that contacts the positive electrode terminal at a plurality of positions symmetrical about the pin, and the positive electrode side current supply end and the positive electrode side potential measuring probe are unitized to form a positive electrode side probe unit.
  • the positive electrode side probe unit has the positive electrode side current supply end and the positive electrode side potential measurement probe, and is attached to the positive electrode side fixing portion fixed to the lid plate, the positive electrode side fixing portion, An elastic member that presses the positive electrode side contact pin of the positive electrode side potential measurement probe against the positive electrode terminal of the secondary battery when a cover plate is disposed on the upper surface side of the secondary battery, and the positive electrode side
  • the positive electrode side contact end of the flow supply end is attached to the positive electrode side fixing portion so as to come into contact with the positive electrode terminal when the cover plate is disposed on the upper surface side of the secondary battery.
  • the negative electrode side current supply end and the negative electrode side potential measurement probe are unitized to form a negative electrode side probe unit, and the negative electrode side probe unit includes the negative electrode side current supply end and the negative electrode A negative electrode side fixing portion fixed to the lid plate and attached to the negative electrode side fixing portion, and the negative electrode side potential when the lid plate is disposed on the upper surface side of the secondary battery.
  • the negative electrode side of the measurement probe An elastic member that presses the contact pin against the negative electrode terminal of the secondary battery, and the negative electrode side contact end of the negative electrode side current supply end is located when the cover plate is disposed on the upper surface side of the secondary battery. You may attach to the said negative electrode side fixing
  • the contact pressure between the contact pin of each potential measurement probe and the contact object can be easily set to the target contact pressure. Furthermore, since the contact pin is positioned at the center of the annular contact end that supplies current, an accurate terminal potential can be measured.
  • the probe when the probe has a contact probe that contacts a part of the upper surface side of the secondary battery, the lid plate, the probe, and the diagnostic side connector
  • the combined weight of the contact pressure between the contact probe and the part on the upper surface side of the secondary battery is the target contact pressure when the cover plate is disposed on the upper surface side of the secondary battery. May be the weight to be.
  • the contact pressure between the contact probe and the contact target can be set to the target contact pressure.
  • the probe when the cover plate is arranged on the upper surface side of the secondary battery, the probe is positioned at a position where the target state value can be measured, and the diagnosis side connector is connected to the control side connector. Can be saved. Further, the presence / absence of abnormality of the secondary battery is output, and when the control circuit is normal, the fact that the control circuit is normal is output. For this reason, according to this invention, the effort of a diagnosis can be reduced.
  • the secondary battery module 10 includes four secondary batteries 20, a CMU (Cell Monitoring Unit, control circuit) 30 that controls each secondary battery according to various state values of the secondary batteries 20, and And a case 11 for storage.
  • the case 11 has a case main body 12 in which a concave portion for receiving the secondary battery 20 and the CMU 30 is formed, and a lid (not shown) that closes the concave opening of the case main body 12.
  • the secondary battery 20 has a rectangular parallelepiped shape, and the positive electrode terminal 21 and the negative electrode terminal 22 are exposed from one surface thereof.
  • the secondary battery 20 is housed in the case 11 with the surface where the positive electrode terminal 21 and the negative electrode terminal 22 are exposed as the upper surface.
  • the CMU 30 is connected to each secondary battery 20 by a signal line 40, and acquires various state values for each secondary battery 20 from the signal line 40, and a plurality of state values are obtained according to the various state values.
  • the charge / discharge balance of the secondary battery 20 is controlled.
  • Each signal line 40 is provided with a connection switch 41 that disconnects the connection between the CMU 30 and the secondary battery 20.
  • Each connection switch 41 is connected to a switch-side connector 42 to which a control signal for cutting / connecting the signal line 40 is input.
  • the switch-side connector 42 is attached to the case body 12 or the CMU 30 so as not to move with respect to the case body 12 or the CMU 30.
  • the CMU 30 acquires the terminal voltage, the can voltage, the internal resistance, the battery temperature, and the like as the state value of the secondary battery 20.
  • the can voltage is a voltage between a cell that is an outer covering of the secondary battery 20 and the positive electrode terminal 21.
  • the CMU 30 is connected with a CMU side connector 32 (control side connector) for communication connection with the outside.
  • the CMU 30 sends the acquired various state values to the outside via the CMU side connector 32.
  • the diagnostic device of the present embodiment includes a measuring device 100 that measures various state values for each secondary battery 20, and each secondary based on various state values measured by the measuring device 100. And a monitor 200 as a diagnostic device for diagnosing the state of the battery 20.
  • the measuring instrument 100 includes a plurality of probes 110 for measuring various state values of each secondary battery 20, a first diagnosis-side connector 120 connected to the CMU-side connector 32, and a first connector connected to the switch-side connector 42. It has a two-diagnosis side connector 140, a cover plate 130 that holds these, and a module measurement circuit 150 that measures various state values using a plurality of probes 110 for each secondary battery 20.
  • the lid plate 130 is provided on a rectangular lid body plate 131 corresponding to the rectangular opening of the case body 12 and on the outer periphery of the lid body plate 131. And a side plate 132 that contacts the opening edge.
  • the lid body plate 131 is provided with the plurality of probes 110 and the first and second diagnosis side connectors 120 and 140 described above.
  • a temperature measurement probe 110a for measuring the temperature in the installation environment of the secondary battery 20, and the secondary battery 20 A can potential measurement probe 110b for measuring the can potential (cell potential) of the first electrode, a first positive electrode probe 110c for measuring the potential of the positive electrode terminal 21 when the charge / discharge current is generated, and the generation of the charge / discharge current.
  • Each probe 110 is provided at a position on the cover plate 130 where the target state value required for each probe 110 can be detected when the cover plate 130 is placed on the case body 12 of the secondary battery module 10. ing.
  • the temperature measurement probe 110 a is provided at a position on the lid plate 130 that may be present above the secondary battery 20 when the lid plate 130 is placed on the case body 12 of the secondary battery module 10. Yes.
  • the can potential measurement probe 110b is provided at a position on the lid plate 130 that can contact the cell of the secondary battery 20.
  • the first and second positive electrode probes 110c and 110e are provided at positions on the cover plate 130 that can contact the positive electrode terminal 21 of the secondary battery 20, and the first and second negative electrode probes 110d and 110f are secondary electrodes. It is provided at a position on the lid plate 130 that can contact the negative electrode terminal 22 of the battery 20.
  • the first diagnosis-side connector 120 has a position on the cover plate 130 that can be connected to the CMU-side connector 32 when the cover plate 130 is placed on the case body 12 of the secondary battery module 10. Is provided.
  • the second diagnosis side connector 140 is provided at a position on the lid plate 130 that can be connected to the switch side connector 42 when the lid plate 130 is placed on the case body 12 of the secondary battery module 10.
  • the module measurement circuit 150 includes a cell measurement circuit 160 that exists for each secondary battery 20, a CPU 170 that executes various processes, a memory 180 that stores various data, and a monitor 200. And an interface 190 for communicating with each other, and a power supply circuit 195 for supplying power to them.
  • Each cell measurement circuit 160 is set with an ID (identifier).
  • ID “1” is set for the cell measurement circuit 160 that measures the state quantity of the secondary battery 20 with ID “1”.
  • ID “2” is set for the cell measurement circuit 160 that measures the state quantity of the secondary battery 20 with ID “2”, and the cell measurement circuit 160 that measures the state quantity of the secondary battery 20 with ID “3”. Is set to ID “3”, and ID “4” is set to the cell measurement circuit 160 that measures the state quantity of the secondary battery 20 with ID “4”.
  • the CPU 170 functionally includes a communication control unit 171 for communicating with the monitor 200 and a cell measurement control unit 172 for controlling the operation of each cell measurement circuit 160.
  • the memory 180 stores a program for executing each of the above functions, and the CPU 170 executes each program so that each functional unit functions.
  • Each cell measurement circuit 160 converts a temperature measurement circuit 161, a can potential measurement circuit 162, a charge / discharge current / voltage measurement circuit 163, an internal resistance measurement circuit 166, and an analog signal from these circuits into a digital signal.
  • AD converter 169 converts a temperature measurement circuit 161, a can potential measurement circuit 162, a charge / discharge current / voltage measurement circuit 163, an internal resistance measurement circuit 166, and an analog signal from these circuits into a digital signal.
  • AD converter 169 AD converter 169.
  • the temperature measurement circuit 161 is connected to the temperature measurement probe 110a and measures the temperature of the secondary battery 20 in the installation environment.
  • the can potential measuring circuit 162 is connected to the can potential measuring probe 110b and measures the cell potential of the secondary battery 20.
  • the charge / discharge current / voltage measurement circuit 163 includes a current whose potential changes sinusoidally, that is, a charge / discharge current generation circuit 164 that generates a charge / discharge current, a current flowing through the secondary battery 20 when the charge / discharge current is generated, And a current / voltage measurement circuit 165 for measuring the voltage applied to the secondary battery 20.
  • the charge / discharge current generation circuit 164 and the current / voltage measurement circuit 165 are both connected to the first positive electrode probe 110c and the first negative electrode probe 110d.
  • the charging / discharging current generation circuit 164 is configured such that the first positive electrode probe 110c is in contact with the positive electrode terminal 21 of the secondary battery 20 and the first negative electrode probe 110d is in contact with the negative electrode terminal 22 of the secondary battery 20.
  • a closed current circuit is formed between the battery 20 and the charging / discharging current is supplied to the secondary battery 20.
  • the current / voltage measurement circuit 165 has a positive terminal of the secondary battery 20 that is in contact with the first positive electrode probe 110c when the charge / discharge current generation circuit 164 supplies a charge / discharge current to the secondary battery 20. 21 and the potential of the negative electrode terminal 22 of the secondary battery 20 in contact with the first negative electrode probe 110d are measured. Furthermore, the current / voltage measurement circuit 165 measures the current flowing in the closed current circuit when the charge / discharge current generation circuit 164 supplies the charge / discharge current to the secondary battery 20.
  • the internal resistance measurement circuit 166 includes a constant current generation circuit 167 that generates a constant current, a current / voltage measurement circuit 168 that measures a current flowing through the secondary battery 20 and a voltage applied to the secondary battery 20 when the constant current is generated, have.
  • the constant current generation circuit 167 and the current / voltage measurement circuit 168 are both connected to the second positive electrode probe 110e and the second negative electrode probe 110f.
  • the constant current generation circuit 167 is configured such that the second positive electrode probe 110e is in contact with the positive electrode terminal 21 of the secondary battery 20 and the second negative electrode probe 110f is in contact with the negative electrode terminal 22 of the secondary battery 20, thereby A closed current circuit is formed between the secondary battery 20 and a constant current.
  • the current / voltage measurement circuit 168 is connected to the positive terminal 21 of the secondary battery 20 that is in contact with the second positive electrode probe 110e when the constant current generation circuit 167 supplies a constant current to the secondary battery 20.
  • the potential and the potential of the negative electrode terminal 22 of the secondary battery 20 in contact with the second negative electrode probe 110f are measured.
  • the current / voltage measurement circuit 168 measures the current flowing through the closed current circuit when the constant current generation circuit 167 supplies a constant current to the secondary battery 20.
  • the first positive electrode probe 110c is connected to the module measurement circuit 150 and the cable 117 as shown in FIG.
  • the first positive electrode probe 110 c is disposed at the center of the annular current supply end (positive electrode side contact end) 111 that contacts the positive electrode terminal 21 of the secondary battery 20 and the annular current supply end 111, and contacts the positive electrode terminal 21.
  • the vertical downward direction is the (+) Z direction
  • the vertical upward direction is the ( ⁇ ) Z direction
  • the lid plate 130 is placed on the case body 12 from the position directly above the case body 12 (+ )
  • the cover plate 130 is moved in the Z direction.
  • the annular current supply end 111 is fixed to the fixed portion 113, and the potential measuring pin 112 is attached to the fixed portion 113 so as to be movable in the Z direction at the center position of the annular current supply end 111.
  • One end of the spring 114 is attached to the positive terminal 21, and the other end is attached to the fixed portion 113.
  • the potential measurement pin 112 is attached to the fixed portion 113 by the spring 114.
  • the potential measurement pin 112 has a tip that is closer to the positive electrode terminal 21 than the tip of the current supply end 111 when neither the potential measurement pin 112 nor the current supply end 111 is in contact with the positive electrode terminal 21 of the secondary battery 20. In other words, it protrudes to the (+) Z side. For this reason, in the process in which the cover plate 130 provided with the first positive electrode probe 110 c is disposed on the upper surface of the secondary battery 20, first, the potential measuring pin 112 of the first positive electrode probe 110 c contacts the positive electrode terminal 21. . When the potential measuring pin 112 comes into contact with the positive electrode terminal 21, the spring 114 contracts and moves in a direction relatively away from the positive electrode terminal 21 with respect to the fixed portion 113, that is, ( ⁇ ) Z side.
  • the potential measurement pin 112 is not moved away from the positive electrode terminal 21, and is kept in contact with the positive electrode terminal 21.
  • the potential measuring pin 112 moves relative to the ( ⁇ ) Z side relative to the fixed portion 113 and the tip of the potential measuring pin 112 does not protrude from the tip of the current supply end 111, as shown in FIG.
  • the supply end 111 is in contact with the positive electrode terminal 21.
  • the potential measuring pin 112 receives a pressing force in the (+) Z direction against the positive electrode terminal 21 from the contracted spring 114. For this reason, a predetermined contact pressure is generated between the potential measuring pin 112 and the positive terminal 21.
  • a predetermined contact pressure is also generated between the current supply end 111 of the first positive electrode probe 110 c and the positive electrode terminal 21.
  • the total weight of the cover plate 130, all the probes 110 and all the connectors 120, 140 provided on the cover plate 130 is between the current supply end 111 of the first positive electrode probe 110c and the positive terminal 21. This is because the weight is such that a predetermined contact pressure can be generated.
  • the predetermined contact pressure is a contact pressure when the contact resistance between the current supply end 111 and the positive electrode terminal 21 becomes smaller than a predetermined value.
  • the current supply end 111 is electrically connected to the charge / discharge current generation circuit 164 through a conductive wire 115. Further, the potential measuring pin 112 is electrically connected to the current / voltage measuring circuit 165 through the conductive wire 116.
  • the conductive line 115 connected to the current supply end 111 is also connected to the current / voltage measurement circuit 165 so that the current / voltage measurement circuit 165 measures the current flowing through the current supply end 111.
  • the current supply end 111 also serves as a probe for measuring the current flowing through the secondary battery 20 in contact with the current supply end 111.
  • the potential measuring pin 112 exclusively serves as a probe for measuring the terminal potential of the secondary battery 20. Therefore, the first positive electrode probe 110c is a unit in which a probe for measuring the current flowing through the secondary battery 20 and a probe for measuring the terminal potential of the secondary battery 20 are unitized.
  • the conductive wire 115 connected to the current supply end 111 and the conductive wire 116 connected to the potential measurement pin 112 are accommodated in the cable 117 that connects the first positive electrode probe 110c and the module measurement circuit 150. It has been.
  • the 1st positive electrode probe 110c the 1st negative electrode probe 110d, the 2nd positive electrode probe 110e, and the 2nd negative electrode probe 110f are also the same structures as the 1st positive electrode probe 110c.
  • the current supply ends of the second positive electrode probe 110e and the second negative electrode probe 110f are electrically connected to the constant current generation circuit 167 of the internal resistance measurement circuit 166 by conductive wires.
  • the potential measurement pin of the two negative electrode probe 110f is connected to the current / voltage measurement circuit 168 of the internal resistance measurement circuit 166 by a conductive wire.
  • the can potential measuring probe 110b has the same structure as the first positive electrode probe 110c. However, the potential measuring pin of the can potential measuring probe 110b is connected to the can potential measuring circuit 162 by a conductive wire. Further, since it is not necessary to supply a current to the secondary battery 20 from the outside during the can potential measurement, the current supply terminal of the can potential measurement probe 110b is connected to any circuit in the cell measurement circuit 160. Not. For this reason, the can potential measurement probe 110b essentially does not require the current supply end 111, but in this embodiment, the first positive electrode probe 110c, the first negative electrode probe 110d, and the second positive electrode probe, which are contact probes, are used. 110e, the second negative electrode probe 110f, and the can potential measurement probe 110b are made common to reduce the manufacturing cost.
  • the first and second diagnosis side connectors 120 and 140 are arranged so that the contact probes 110b to 110f are moved in the process of moving the cover plate 130 from directly above the case body 12 to the (+) Z side.
  • a contact object such as an electrode terminal or a cell
  • it is fixed to the cover plate 130 via a connector holding part 135 such as an elastic bush so that it can be connected to the CMU side connector 32 or the switch side connector 42. ing.
  • the contact probes 110b to 110f contact the contact object.
  • the cover plate 130 moves to the (+) Z side until the cover plate 130 is completely placed on the case body 12.
  • the first diagnosis side connector 120 or the like moves to the (+) Z side together with the cover plate 130 after being connected to the CMU side connector 32 or the like, one of the connectors is damaged, or one of the connectors There is a risk of damage to the support part.
  • the monitor (diagnostic device) 200 is a computer, and as shown in FIG. 6, a CPU 210 that performs various arithmetic processes, a memory 220 that becomes a work area of the CPU 210, an auxiliary storage device 230 such as a hard disk drive, and a keyboard And an input device 240 such as a mouse, a display device (output unit) 250, and an interface (reception unit) 260 for transmitting and receiving signals to and from the outside.
  • the auxiliary storage device 230 stores a database 231 in which various threshold values for diagnosis are stored, and a diagnostic program 235 executed by the CPU.
  • the CPU 210 functionally includes a measurement control unit 211 that controls the module measurement circuit 150, a comparison unit 212 that compares various state values measured by the measuring instrument 100 with various state values acquired by the CMU 30, and each state value.
  • the abnormality determination unit 213 that determines whether or not the secondary battery 20 is abnormal based on the above, the display control unit 214 that controls the display content of the display device 250, and the connection between the CMU 30 and the secondary battery 20 A connection control unit 215 for controlling.
  • Each of these functional units functions when the CPU 210 executes the diagnostic program 235 stored in the auxiliary storage device 230.
  • various threshold values that serve as a basis for determining whether there is an abnormality are stored in the abnormality determination unit 213.
  • the threshold values stored in the database 231 include upper and lower threshold values for temperature, lower threshold values for can voltage, upper and lower threshold values for internal resistance, and threshold values for the degree of deterioration of the secondary battery 20.
  • the phase difference ⁇ P of the voltage waveform with respect to the current waveform when the charging / discharging current is applied to the secondary battery 20 increases, and the current fluctuation width is increased.
  • the voltage fluctuation width ⁇ V also increases. Therefore, in the present embodiment, the threshold value ⁇ Ps of the phase difference ⁇ P and the threshold value ⁇ Vs of the voltage fluctuation range ⁇ V that the secondary battery 20 has deteriorated are determined and stored in the database 231.
  • phase difference ⁇ P and the voltage fluctuation range ⁇ V vary depending on the charging rate of the secondary battery 20 and the temperature of the secondary battery 20. For this reason, in this embodiment, as shown in FIG. 7, a deterioration threshold table is provided in the database 231, and the phase difference of each charge rate and temperature of the secondary battery 20 is stored in the deterioration threshold table 232.
  • the threshold value ⁇ Ps and the threshold value ⁇ Vs of the voltage fluctuation range are stored.
  • the module measurement circuit 150, the first diagnosis side connector 120, and the second diagnosis side connector 140 are connected to the interface 260 of the monitor 200 by cables.
  • a repairer who diagnoses the secondary battery module 10 and repairs it when there is a defect removes the lid of the secondary battery module 10 from the case body 12.
  • a repairer or the like places the lid plate 130 of the measuring instrument 100 on the case body 12 and arranges the lid plate 130 so as to cover the upper surface of the secondary battery 20.
  • each probe 110 provided on the lid plate 130 is in a position where a target state value can be measured.
  • the temperature measurement probe 110a is positioned on the upper part of the secondary battery 20
  • the can potential measurement probe 110b is in contact with the cell of the secondary battery 20
  • the first and second positive electrode probes 110c and 110e are connected to the secondary battery 20.
  • the first and second negative electrode probes 110 d and 110 f are in contact with the negative electrode terminal 22 of the secondary battery 20.
  • the connectors 120 and 140 provided on the cover plate 130 are connected to the corresponding connectors 32 and 42.
  • the potential measuring pins 112 (FIGS. 4 and 5) of the can potential measuring probe 110b, the first and second positive probes 110c and 110e, and the first and second negative probes are contacted by the pressing force of the spring 114.
  • the contact pressure between the objects becomes a predetermined contact pressure.
  • the current supply ends 111 of the first and second positive probes 110c and 110e and the first and second negative probes 110d and 110f depend on the weight of the cover plate 130 and the probes and connectors provided on the cover plate 130.
  • the contact pressure with the contact object becomes a predetermined contact pressure.
  • the repair person or the like activates the monitor 200 and operates the input device 240 of the monitor 200 to give an instruction to start diagnosis to the monitor 200.
  • the operation of the monitor 200 will be described with reference to the flowcharts shown in FIGS.
  • the interface (reception unit) 250 uses the CMU side connector 32 and the state value of the secondary battery 20 that the CMU 30 has already acquired. This is accepted via the first diagnosis side connector 120. Then, the measurement control unit 211 temporarily stores the state value of the secondary battery 20 on the memory 220 (S2).
  • the state values stored in the memory 220 are battery temperature, terminal voltage, can voltage, internal resistance, and the like.
  • the measurement control unit 211 of the monitor 200 instructs the module measurement circuit 150 of the measuring instrument 100 to perform measurement of various state values for each secondary battery 20, and the module measurement circuit 150 sets various state values. Measurement is executed (S3).
  • the cell measurement control unit 172 of the module measurement circuit 150 receives a measurement execution instruction from the monitor 200 (S30), first, the ID of the cell measurement circuit 160 to be activated is set to “1” (S31).
  • the cell measurement control unit 172 activates the cell measurement circuit 160 having the ID set in step S31 (S32), and the temperature measurement circuit 161 in the cell measurement circuit 160 is connected to the temperature measurement circuit 161.
  • the temperature measurement using the existing temperature measurement probe 110a is executed, and the temperature in the installation environment of the secondary battery 20 is acquired (S33).
  • the cell measurement control unit 172 is a positive electrode using the positive electrode probe 110c or 110e and the negative electrode probe 110d or 110f in the charge / discharge current / voltage measurement circuit 163 or the current / voltage measurement circuit 165 or 168 of the internal resistance measurement circuit 166.
  • the potential and the negative electrode potential are measured to obtain the positive electrode potential and the negative electrode potential (S34).
  • the cell measurement control unit 172 generates a charge / discharge current from the charge / discharge current generation circuit 164 of the charge / discharge current / voltage measurement circuit 163, and the second measurement is performed via the first positive electrode probe 110c and the first negative electrode probe 110d.
  • a charge / discharge current is passed through the secondary battery 20.
  • the current / voltage measurement circuit 165 of the charge / discharge current / voltage measurement circuit 163 measures the current flowing through the secondary battery 20 and the potentials of the positive terminal 21 and the negative terminal 22 during the same predetermined period. The current of a predetermined period and the potentials of the positive terminal 21 and the negative terminal 22 in the same predetermined period are obtained (S35).
  • the cell measurement control unit 172 generates a constant current from the constant current generation circuit 167 of the internal resistance measurement circuit 166 and sets the secondary battery 20 through the second positive electrode probe 110e and the second negative electrode probe 110f. Apply current. Then, the current / voltage measurement circuit 168 of the internal resistance measurement circuit 166 performs the current measurement flowing in the secondary battery 20 and the potential measurement of the positive electrode terminal 21 and the negative electrode terminal 22, and flows into the secondary battery 20. The current and the potential of the positive terminal 21 and the negative terminal 22 are obtained (S36).
  • the communication control unit 171 of the module measurement circuit 150 transmits the state value obtained by the cell measurement control unit 172 in step S33 to step S36 to the monitor 200 together with the set ID (S37). .
  • the cell measurement control unit 172 When the communication control unit 171 transmits the state value to the monitor 200, the cell measurement control unit 172 adds “1” to the setting ID and sets this as a new setting ID (S38). Then, the cell measurement control unit 172 determines whether or not the new setting ID is “5”, that is, whether or not the measurement of all the state values of the four secondary batteries 20 is completed (S39). ).
  • the process returns to step S32 and activates the cell measurement circuit 160 with the new setting ID.
  • the cell measurement control unit 172 determines that the new setting ID is not “5”
  • the cell measurement control unit 172 notifies the communication control unit 171 that the measurement is completed, and transmits the fact to the monitor 200 (S40).
  • the state value for each secondary battery 20 is transmitted from the measuring device 100 and the measurement control unit 211 of the monitor 200 receives this via the interface 250, the state value for each secondary battery 20 is stored in the memory 220. (S4).
  • the abnormality determination unit 213 calculates a target state value using the basic state value among the state values from the measuring instrument 100 and stores it in the memory 220 (S5).
  • the abnormality determination unit 213 determines the voltage (target state value) of the secondary battery 20 from the positive electrode potential (basic state value) and the negative electrode potential (basic state value) when the charge / discharge current and the constant current are not flowing. Ask for. Further, the charging rate (target state value) of the secondary battery 20 is obtained from this voltage.
  • the auxiliary storage device 230 stores a correlation between the voltage of the secondary battery 20 and the charging rate of the secondary battery 20, and the abnormality determination unit 213 uses the correlation to store the secondary battery 20.
  • the charging rate of the secondary battery 20 is obtained from the voltage of Further, the measurement control unit 211 obtains a can voltage (target state value) from the positive electrode potential and the cell potential (basic state value) when the charge / discharge current and the constant current are not flowing.
  • the abnormality determination unit 213 obtains the voltage of the secondary battery 20 at the predetermined time from the positive electrode potential (basic state value) and the negative electrode potential (basic state value) at the predetermined time when the charge / discharge current is flowing. . Then, the phase difference (target state value) between the current flowing in the secondary battery 20 and the obtained voltage during the predetermined time, and the voltage fluctuation range (target state value) during the predetermined time are obtained.
  • the abnormality determination unit 213 obtains the voltage of the secondary battery 20 at this time from the positive electrode potential (basic state value) and the negative electrode potential (basic state value) when a constant current is flowing. At this time, the internal resistance (target state value) is obtained from the current flowing through the secondary battery 20 and the obtained voltage.
  • step S5 the abnormality determination unit 213 sets the voltage of the secondary battery 20 when the charge / discharge current and the constant current are not flowing, the charge rate of the secondary battery 20, the can voltage, the charge / discharge as the target state value.
  • the phase difference between the current and the voltage when the current is flowing, the fluctuation range of the voltage, and the internal resistance are calculated.
  • the comparison unit 212 compares the state value from the CMU 30 with the state value from the measuring instrument 100 corresponding to this state value, and both state values are within the same range. Whether or not (S6).
  • the state values that the comparison unit 212 compares are temperature, voltage of the secondary battery 20 (when charging / discharging current and constant current are not flowing), can voltage, and internal resistance. Further, whether or not both state values are within the same range is within a range of a certain ratio of the state values determined as the same range for each state value (for example, 2% of the state value). Judge by whether or not. Note that the temperature as the state value from the CMU 30 is the temperature of the secondary battery 20, and the temperature as the state value from the measuring instrument 100 is the installation environment temperature of the secondary battery 20, so the same range is Wide compared to other state values.
  • the comparison unit 212 determines that both state values are within the same range for any secondary battery 20, the CMU 30 is treated as normal, and the abnormality determination unit 213 performs measurement for each secondary battery 20. It is determined whether or not the state value from the container 100 is within an allowable range (S7).
  • the state value for determining whether or not the value is within the allowable range is the level of the voltage and current when the secondary battery 20 is supplied with the installation environment temperature, the can voltage, and the charge / discharge current.
  • the abnormality determination unit 213 determines whether or not the secondary battery 20 is abnormal depending on whether or not the threshold stored in the database 231 is exceeded and / or less than the threshold. .
  • the phase difference ⁇ P between the voltage and current when the charge / discharge current is supplied to the secondary battery 20 and the voltage fluctuation width ⁇ V of the secondary battery 20 when the charge / discharge current is supplied are the temperature and It changes according to the charging rate of the secondary battery 20. Therefore, the abnormality determination unit 213 obtains the phase difference threshold value ⁇ Ps and the voltage fluctuation width threshold value ⁇ Vs corresponding to the installation environment temperature and the charging rate of the secondary battery 20 from the deterioration threshold value table 232 shown in FIG. It is determined whether or not the secondary battery 20 is abnormally deteriorated depending on whether or not the state values ⁇ P and ⁇ V exceed the corresponding threshold values ⁇ Ps and ⁇ Vs.
  • the display control unit 214 indicates that the CMU 30 is normal. To display on the display device 250 that “CMU is normal” and “all secondary batteries are normal” (S8), and a series of processing ends.
  • the abnormality determination unit 213 determines that the state value of any of the secondary batteries 20 is not within the allowable range, that is, determines that the abnormality is abnormal, the abnormality determination unit 213 indicates that the secondary battery 20 is abnormal, and the CMU 30
  • the display control unit 214 is notified of the normality, the display device 250 is displayed as “CMU normal” and “abnormal secondary battery with ID“ x ”” (S9), and a series of processing ends.
  • the ID “x” displayed here is the ID of the secondary battery 20 determined to be abnormal. At this time, the contents of the abnormality such as an internal resistance abnormality may be displayed together.
  • a repairer or the like looks at the display content of the display device 250 and replaces an abnormal secondary battery among the plurality of secondary batteries 20 with a new secondary battery.
  • step S6 when the comparison unit 212 determines that both state values are not within the same range with respect to any of the secondary batteries 20, the connection control unit 215 controls the connection switch 41 of the secondary battery module 10. Then, a disconnection instruction is given, and the connection between the CMU 30 and each secondary battery 20 is disconnected (S10).
  • the connection between the CMU 30 and each secondary battery 20 is disconnected in order to eliminate the possibility of the secondary battery 20 becoming abnormal under the influence of the abnormal CMU 30.
  • the measurement control unit 211 of the monitor 200 When connection between the CMU 30 and the secondary battery 20 is disconnected by the connection control unit 215, the measurement control unit 211 of the monitor 200, with respect to the module measurement circuit 150 of the measuring instrument 100, similarly to step S3 described above.
  • the execution of measurement of various state values for each secondary battery 20 is instructed, and measurement of various state values by the module measurement circuit 150 is executed (S11).
  • the measurement control part 211 receives the state value for every secondary battery 20 from the measuring device 100 via an interface similarly to above-mentioned step S4, and stores this in the memory 220 (S12).
  • the abnormality determination unit 213 calculates a target state value using the basic state value among the state values from the measuring instrument 100, and stores this in the memory 220 (step S5). S13).
  • the abnormality determination unit 213 determines that the new state value from the measuring instrument 100 is within the allowable range for each secondary battery 20 as in step S7 described above. Whether or not (S14). Also in this step S14, the state value for determining whether or not it is within the allowable range includes the installation environment temperature of the secondary battery 20, the can voltage, the voltage and current when the charge / discharge current is passed through the secondary battery 20. Phase difference ⁇ P, voltage fluctuation width ⁇ V of the secondary battery 20 when charging / discharging current flows, and internal resistance.
  • the display control unit indicates that the CMU 30 is abnormal. 214, the display device 250 displays “CMU abnormality” and “all secondary batteries are normal” (S15), and the series of processing ends.
  • the CMU 30 is abnormal because all the secondary batteries 20 are normal but the state value from the CMU 30 and the state value from the measuring instrument 100 are within the same range. Because there is no.
  • a repairer or the like looks at the display content of the display device 250 and replaces the abnormal CMU 30 with a new CMU.
  • the abnormality determination unit 213 determines in step S14 that the state value of any of the secondary batteries 20 is not within the allowable range, that is, determines that the state value is abnormal, the abnormality determination unit 213 determines from the measuring device 100 received in step S4. Is compared with the state value from the measuring instrument 100 received in step S12, and it is determined whether or not both state values are within the same range (S16).
  • the abnormality determination unit 213 determines that the two state values are not within the same range, it means that the state value is different between when the secondary battery 20 is connected to the CMU 30 and when it is not connected. Will do. In this case, since the secondary battery 20 is considered to have been adversely affected by the abnormal CMU 30, the abnormality determination unit 213 notifies the display control unit 214 that the CMU 30 is abnormal and that the secondary battery 20 is abnormal. Then, “CMU normal” and “abnormal secondary battery with ID“ x ”” are displayed on the display device 250 (S17), and the series of processing ends.
  • a repairer or the like looks at the display content of the display device 250 and replaces the abnormal CMU 30 with a new CMU and replaces the abnormal secondary battery 20 with a new secondary battery.
  • the abnormality determining unit 213 determines that both state values are within the same range, the abnormality determining unit 213 notifies the display control unit 214 that the CMU 30 may be abnormal and the secondary battery 20 is abnormal, and the display device 250. Then, “CMU normal” and “abnormality of secondary battery with ID“ x ”” are displayed (S17), and a series of processing ends.
  • the reason that the CMU 30 may be abnormal is because the CMU abnormality may not be an abnormality that adversely affects the secondary battery 20.
  • a repairer or the like looks at the display content of the display device 250 and first replaces the abnormal secondary battery 20 with a new secondary battery. Subsequently, the monitor 200 causes the flow shown in FIGS. 10 and 11 to be executed. If the display content when the monitor 200 determines in step S6 that the state value from the CMU 30 and the state value from the measuring instrument 100 are not within the same range is displayed, it can be determined that the CMU 30 is abnormal. Therefore, this CMU 30 is replaced with a new CMU.
  • the various probes and connectors are positioned at the target locations. It is possible to save the trouble of positioning the at the desired location.
  • the cause of the abnormality of the secondary battery module 10 is the abnormality of the secondary battery 20 or the abnormality of the CMU 30. You can know immediately. For this reason, in this embodiment, it is possible to reduce the time and effort of diagnosis, and it is possible to eliminate unnecessary repair work such as replacement of the secondary battery 20 having no abnormality as in the prior art. You can save time and effort.
  • the monitor 200 executes the process of calculating the target state value using the basic state value.
  • the measuring instrument 100 may execute this process.
  • the monitor 200 uses only the state value from the measuring instrument 100 when determining whether or not the state value is within the allowable range in step S7 of FIG. It may be used.
  • the present invention relates to a diagnostic apparatus for a secondary battery module that can reduce the trouble of diagnosing the secondary battery module.
  • second diagnosis side connector 150: Module measurement circuit, 160: Cell measurement circuit, 161: Temperature measurement circuit, 162: Can potential measuring circuit, 163: charge / discharge current / voltage measurement circuit, 166 ... Internal resistance measurement circuit, 170 ... CPU, 172 ... Cell measurement control, 200 ... monitor (diagnostic device), 210 ... CPU, 211 ... Measurement control unit, 212 ... Comparison part, 213 ... an abnormality determination unit, 214 ... display control unit, 215: Connection control unit, 250 ... display device (output unit)

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

L'invention concerne un dispositif de mesure (100) doté d'une sonde (110) qui est utilisée pour mesurer la valeur d'état d'un accumulateur rechargeable (20), d'un connecteur côté diagnostic (120) qui est connecté à un connecteur côté CMU (32) d'une CMU (30) tout en étant connecté à un moniteur (200) et à une plaque de couverture (130) qui porte le connecteur côté diagnostic (120) dans une position telle que le connecteur côté diagnostic (120) peut être connecté au connecteur côté CMU tout en maintenant la sonde (110) dans une position permettant la mesure d'une valeur d'état. Le moniteur détermine si la valeur d'état fournie par le dispositif de mesure et la valeur d'état fournie par la CMU se situent dans la même plage et, s'il est déterminé qu'elles se situent dans la même plage, le moniteur détermine si l'accumulateur rechargeable est ou non dans un état normal sur la base de la valeur d'état du dispositif de mesure, affiche les résultats de la détermination et affiche que la CMU est dans un état normal s'il est déterminé que les deux valeurs d'état sont situées dans la même plage.
PCT/JP2011/053783 2010-02-22 2011-02-22 Dispositif de diagnostic pour module accumulateur rechargeable WO2011102524A1 (fr)

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JP2010036407A JP5448914B2 (ja) 2010-02-22 2010-02-22 二次電池モジュールの診断装置

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CN111983993A (zh) * 2020-07-20 2020-11-24 深圳库博能源科技有限公司 一种用于储能cmu的自动化测试方法

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CA2848164C (fr) * 2011-09-05 2018-01-23 Kabushiki Kaisha Nihon Micronics Appareil et procede d'evaluation de batterie en feuille
JP6086768B2 (ja) * 2013-03-14 2017-03-01 住友重機械工業株式会社 充放電検査システム
JP6260192B2 (ja) * 2013-10-21 2018-01-17 三菱自動車工業株式会社 バッテリーパック
CN106030324B (zh) * 2014-02-19 2019-02-22 日产自动车株式会社 阻抗测定装置和阻抗测定装置的控制方法
JP6315078B2 (ja) 2014-02-19 2018-04-25 日産自動車株式会社 インピーダンス測定装置及びインピーダンス測定装置の制御方法
JP6359362B2 (ja) * 2014-07-07 2018-07-18 株式会社東芝 電池モジュール
KR101644095B1 (ko) * 2016-01-05 2016-08-01 (주)갑진 충방전용 프로브
KR101681681B1 (ko) * 2016-01-05 2016-12-02 (주)갑진 충방전용 회로
JP6944640B2 (ja) * 2017-03-02 2021-10-06 トヨタ自動車株式会社 二次電池の検査方法
JP7183007B2 (ja) * 2018-11-26 2022-12-05 日本メクトロン株式会社 バッテリ監視ユニット

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CN110720044A (zh) * 2017-06-02 2020-01-21 精炼金属股份有限公司 用于对构件进行电性触碰接触的接触模块和接触系统
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