CN220752264U - BMS battery protection board test equipment - Google Patents

BMS battery protection board test equipment Download PDF

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Publication number
CN220752264U
CN220752264U CN202322417028.2U CN202322417028U CN220752264U CN 220752264 U CN220752264 U CN 220752264U CN 202322417028 U CN202322417028 U CN 202322417028U CN 220752264 U CN220752264 U CN 220752264U
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voltage
board
current
battery protection
output
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吴劲松
凡文波
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Shenzhen Testpad Electronic Co ltd
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Shenzhen Testpad Electronic Co ltd
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Abstract

The utility model discloses BMS battery protection board testing equipment, which comprises a control module, a multifunctional communication adapter, an analog electric core board, a high-voltage direct current source output board, a high-voltage load absorption board, a low-voltage large-current direct current output source box, a contact switch board and a low-voltage small-current direct current output source board, wherein the high-voltage direct current source output board can provide charging voltage for a BMS battery protection board, and the high-voltage load absorption board can provide output end absorption load for the BMS battery protection board; the low-voltage high-current direct-current output source box can provide a reference current source for the BMS battery protection board, the analog electric core board card can provide electric voltage for the BMS battery protection board, and the low-voltage low-current direct-current output source board card can provide a reference voltage source for the BMS battery protection board, so that the BMS battery protection board test equipment provided by the utility model has the function of detecting various protection functions of the BMS battery protection board.

Description

BMS battery protection board test equipment
Technical Field
The utility model relates to the technical field of BMS battery protection plates, in particular to BMS battery protection plate testing equipment.
Background
The existing lithium battery pack generally adopts a BMS battery protection board managed by an intelligent MCU to carry out overcharge protection, overdischarge protection, overcurrent protection and short-circuit protection on the battery pack. The BMS battery protection board comprises an MCU, an analog front end module, a charge-discharge module, a wake-up switch, a battery end for connecting a battery pack, a charger end for connecting a charger and a load end for connecting a load, wherein the charge-discharge module comprises a charge current limiting unit, a charge MOS tube circuit, a discharge MOS tube circuit and a pre-discharge circuit. The BMS battery protection board also comprises various protection circuits such as a primary charging protection circuit, a secondary charging protection circuit, a discharging voltage protection circuit, a discharging overcurrent protection circuit, a charging overcurrent protection circuit and the like, and the safety and the reliability of the battery are greatly improved due to the existence of the various protection circuits. However, the current battery protection plate test apparatus cannot detect various protection functions of the BMS battery protection plate.
Disclosure of Invention
The utility model aims to solve the technical problem of providing BMS battery protection board test equipment which has the functions of detecting a charging protection function, a discharging voltage protection function, a discharging overcurrent protection function, a charging overcurrent protection function, an integral charging function and an integral discharging function of a BMS battery protection board.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the BMS battery protection board testing equipment is used for performing function detection on the BMS battery protection board, and comprises an MCU, an analog front end module, a charge-discharge module, a wake-up switch, a battery end for connecting a battery pack, a charger end for connecting a charger and a load end for connecting a load, wherein the BMS battery protection board testing equipment comprises a control module, a multifunctional communication adapter, an analog electric core board, a high-voltage direct current source output board card, a high-voltage load absorption board card, a low-voltage high-current direct current output source box, a contact switch board and a low-voltage low-current direct current output source board, and the control module is respectively connected with the analog electric core board card, the high-voltage direct current source output board card, the high-voltage load absorption board card, the low-voltage high-current direct current output source box, the contact switch board and the low-voltage low-current direct current output board through the multifunctional communication adapter; the simulated electricity core board card is used for being connected with the battery end of the BMS battery protection board and providing electricity core voltage for the BMS battery protection board to work normally; the high-voltage direct-current source output board card is used for being connected with the charger end of the BMS battery protection board, and providing charging voltage for the BMS battery protection board when the BMS battery protection board is subjected to integral charging function detection; the high-voltage load absorption board card is used for being connected with the load end of the BMS battery protection board, and when the BMS battery protection board is subjected to integral discharge function detection, an output end is provided for the BMS battery protection board to absorb load; the low-voltage high-current direct-current output source box is used for being connected with a charger end or a load end of the BMS battery protection board, and providing a reference current source for the BMS battery protection board when the BMS battery protection board is subjected to charging overcurrent protection function detection or charging overcurrent protection function detection; the contact switch plate is used for being connected with a wake-up switch of the BMS battery protection plate so as to activate the BMS battery protection plate; the output positive pole of low-voltage low-current direct-current output source board is used for being connected with the battery end negative pole of BMS battery protection board, and output negative pole is used for being connected with the charger end negative pole or the load end negative pole of BMS battery protection board, when carrying out charge protection function detection, discharge voltage protection function detection, discharge overcurrent protection function detection, charge overcurrent protection function detection, whole charge function detection or whole discharge function detection to BMS battery protection board, provide the reference voltage source for BMS battery protection board.
Preferably, the analog electric core board card adjusts the output voltage amplitude according to the control instruction of the control module so as to output electric core voltages with different amplitudes.
Preferably, the output capacity of the high-voltage direct current source output board card is 150V/2A, the high-voltage direct current source output board card adjusts the output voltage amplitude and current amplitude according to the control instruction of the control module, and the high-voltage direct current source output board card is provided with a first current detection module used for detecting the output current of the high-voltage direct current source output board card.
Preferably, the absorption parameter of the high-voltage load absorption board card is 150V/2A, and the high-voltage load absorption board card comprises a high-voltage load module and a second current detection module, wherein the second current detection module is used for detecting the current flowing through the high-voltage load module.
Preferably, the output capacity of the low-voltage high-current direct-current output source box is 5V/300A, and the low-voltage high-current direct-current output source box adjusts the output voltage amplitude and current amplitude according to the control instruction of the control module.
Preferably, the output capability of the low-voltage low-current direct-current output source board is 5V/5A, the low-voltage low-current direct-current output source board adjusts the output voltage amplitude and the output current amplitude according to the control instruction of the control module, and the low-voltage low-current direct-current output source board is provided with a voltage detection module, and the voltage detection module is used for detecting the output voltage of the low-voltage low-current direct-current output source board.
Preferably, the control module adopts a computer.
The beneficial technical effects of the utility model are as follows: the BMS battery protection board testing equipment comprises a control module, a multifunctional communication adapter, an analog electric core board card, a high-voltage direct current source output board card, a high-voltage load absorption board card, a low-voltage large-current direct current output source box, a contact switch board and a low-voltage small-current direct current output source board card, wherein when the BMS battery protection board is subjected to integral charging function detection, the high-voltage direct current source output board card can provide charging voltage for the BMS battery protection board; when the integral discharging function of the BMS battery protection board is detected, the high-voltage load absorption board card can provide an output end for the BMS battery protection board to absorb load; when the battery protection board of the BMS is subjected to charging overcurrent protection function detection or charging overcurrent protection function detection, the low-voltage high-current direct-current output source box can provide a reference current source for the battery protection board of the BMS; when the battery protection board is subjected to charge protection function detection, discharge voltage protection function detection, discharge overcurrent protection function detection, charge overcurrent protection function detection, integral charge function detection or integral discharge function detection, the analog electric core board card can provide normal working electric core voltage for the battery protection board, and the low-voltage low-current direct-current output source board card can provide a reference voltage source for the battery protection board.
Drawings
Fig. 1 is a schematic structural view of a test apparatus for a battery protection plate of a BMS according to the present utility model.
Detailed Description
The present utility model will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present utility model to those skilled in the art.
The utility model provides BMS battery protection board test equipment which is used for detecting a charging protection function, detecting a discharging voltage protection function, detecting a discharging overcurrent protection function, detecting a charging overcurrent protection function, detecting an overall charging function and detecting an overall discharging function of a BMS battery protection board, wherein the BMS battery protection board comprises an MCU, an analog front end module, a charging and discharging module, a wake-up switch, a battery end used for being connected with a battery pack, a charger end used for being connected with a charger and a load end used for being connected with a load.
As shown in fig. 1, in one embodiment of the present utility model, the BMS battery protection board testing device includes a control module 10, a multifunctional communication adapter 20, an analog electric core board card 30, a high voltage dc source output board card 40, a high voltage load absorbing board card 50, a low voltage high current dc output source box 60, a contact switch board 70, and a low voltage low current dc output source board card 80, wherein the control module 10 is communicatively connected to the analog electric core board card 30, the high voltage dc source output board card 40, the high voltage load absorbing board card 50, the low voltage high current dc output source box 60, the contact switch board 70, and the low voltage low current dc output source board card 80 through the multifunctional communication adapter 20.
In this embodiment, the control module 10 uses a computer, and in other embodiments, the control module 10 may also use ipad, a mobile phone, or other intelligent devices.
The analog core board card 30 is used for being connected with the battery end of the BMS battery protection board, and providing the battery core voltage for the BMS battery protection board to work normally. The analog electric core board 30 adjusts the output voltage amplitude according to the control instruction of the control module 10, so as to output electric core voltages with different amplitudes.
The high-voltage direct current source output board card 40 is used for being connected with the charger end of the BMS battery protection board, and provides charging voltage for the BMS battery protection board when the BMS battery protection board is subjected to integral charging function detection. The high-voltage direct-current source output board 40 adjusts the output voltage amplitude and current amplitude according to the control command of the control module 10, thereby providing charging voltages with different voltage amplitudes for the BMS battery protection board. The output capacity of the high-voltage direct-current source output board 40 is 150V/2A, namely the output maximum voltage is 150V, and the output maximum current is 2A. The hvth source output board 40 is provided with a first current detection module for detecting the output current of the hvth source output board 40.
The high-voltage load absorbing board 50 is used for being connected with the load end of the BMS battery protection board, and provides an output end for absorbing load for the BMS battery protection board when the BMS battery protection board is subjected to integral discharge function detection. The absorption parameter of the high-voltage load absorption board 50 is 150V/2A, namely, the absorption board can bear 150V voltage and 2A current at maximum. The high voltage load absorbing board 50 includes a high voltage load module and a second current detection module for detecting a current flowing through the high voltage load module.
The low-voltage high-current direct-current output source box 60 is used for being connected with a charger end or a load end of the BMS battery protection board, and provides a reference current source for the BMS battery protection board when the BMS battery protection board is subjected to charging overcurrent protection function detection or charging overcurrent protection function detection. The low-voltage high-current direct current output source 60 adjusts the output voltage amplitude and current amplitude according to the control command of the control module 10, and the output capacity of the low-voltage high-current direct current output source box 60 is 5V/300A, i.e. the output maximum voltage is 5V, and the output maximum current is 300A.
The contact switch board 70 is used for being connected with a wake-up switch of the BMS battery protection board, and the BMS battery protection board is activated according to wake-up logic of the BMS battery protection board.
The output positive pole of the low-voltage low-current direct-current output source board 80 is used for being connected with the battery end negative pole of the BMS battery protection board, the output negative pole is used for being connected with the charger end negative pole or the load end negative pole of the BMS battery protection board, and a reference voltage source is provided for the BMS battery protection board when the BMS battery protection board is subjected to charge protection function detection, discharge voltage protection function detection, discharge overcurrent protection function detection, charge overcurrent protection function detection, integral charge function detection or integral discharge function detection. The low-voltage low-current direct-current output source board 80 adjusts the output voltage amplitude and the output current amplitude according to the control command of the control module 10, and the output capacity of the low-voltage low-current direct-current output source board 80 is 5V/5A, i.e. the output maximum voltage is 5V, and the output maximum current is 5A. The low-voltage low-current direct-current output source board 80 is provided with a voltage detection module for detecting the output voltage of the low-voltage low-current direct-current output source board 80.
The utility model relates to BMS battery protection board testing equipment, which comprises a control module, a multifunctional communication adapter, an analog electric core board card, a high-voltage direct current source output board card, a high-voltage load absorption board card, a low-voltage large-current direct current output source box, a contact switch board and a low-voltage small-current direct current output source board card, wherein when the BMS battery protection board is subjected to integral charging function detection, the high-voltage direct current source output board card can provide charging voltage for the BMS battery protection board; when the integral discharging function of the BMS battery protection board is detected, the high-voltage load absorption board card can provide an output end for the BMS battery protection board to absorb load; when the battery protection board of the BMS is subjected to charging overcurrent protection function detection or charging overcurrent protection function detection, the low-voltage high-current direct-current output source box can provide a reference current source for the battery protection board of the BMS; when the battery protection board is subjected to charge protection function detection, discharge voltage protection function detection, discharge overcurrent protection function detection, charge overcurrent protection function detection, integral charge function detection or integral discharge function detection, the analog electric core board card can provide normal working electric core voltage for the battery protection board, and the low-voltage low-current direct-current output source board card can provide a reference voltage source for the battery protection board.
The flow for realizing the detection of the primary charging protection function is as follows:
the simulated electricity core board 30 is connected with a battery end of the BMS battery protection board, provides a battery core voltage for the BMS battery protection board to work normally, the low-voltage low-current direct-current output source board 80 outputs a forward voltage taking a cathode of a charger end as a reference between the cathode of the battery end of the BMS battery protection board and the cathode of the charger end of the BMS battery protection board, the contact switch board 70 is connected with a wake-up switch of the BMS battery protection board, the BMS battery protection board is activated according to wake-up logic of the BMS battery protection board, and the low-voltage low-current direct-current output source board 80 returns the voltage output by the BMS battery protection board, and the returned voltage is almost 0 because the BMS battery protection board is already activated at the moment; then, the output voltage of the analog electric core board 30 is converted from the normal working voltage to the primary charging protection voltage value of the BMS battery protection board and kept unchanged, meanwhile, the low-voltage low-current direct-current output source board 80 is used for detecting the output voltage, and if the detected voltage is changed from almost 0 to a set output value, the BMS battery protection board is subjected to primary charging protection; then, the output voltage of the analog electric core board card 30 is changed from the primary charging protection voltage value of the BMS battery protection board to the normal working voltage, and meanwhile, the low-voltage low-current direct-current output source board card 80 is used for detecting the output voltage, if the detected voltage is changed from the set output value to 0 almost, the BMS battery protection board is restored to the normal output mode from the primary charging protection mode, and thus the primary charging protection function detection is completed.
The detection of the secondary charging protection function is the same as the detection of the primary charging protection function, and the difference is that the secondary charging protection voltage value larger than the primary charging protection voltage value is required to be provided in the detection process of the secondary charging protection function.
The detection flow for realizing the discharge voltage protection function is as follows:
the simulated electricity core board 30 is connected with a battery end of the BMS battery protection board, provides a battery core voltage for the BMS battery protection board to work normally, the low-voltage low-current direct-current output source board 80 outputs a forward voltage taking a cathode of a charger end as a reference between the cathode of the battery end of the BMS battery protection board and the cathode of the charger end of the BMS battery protection board, the contact switch board 70 is connected with a wake-up switch of the BMS battery protection board, the BMS battery protection board is activated according to wake-up logic of the BMS battery protection board, and the low-voltage low-current direct-current output source board 80 returns the voltage output by the BMS battery protection board, and the returned voltage is almost 0 because the BMS battery protection board is already activated at the moment; then, the output voltage of the analog electric core board 30 is converted from the normal working voltage to the discharge voltage protection value of the BMS battery protection board and kept unchanged, meanwhile, the low-voltage low-current direct-current output source board 80 is used for detecting the output voltage, and if the detected voltage is changed from almost 0 to a set output value, the BMS battery protection board is indicated to have been subjected to discharge voltage protection; then, the output voltage of the analog electric core board 30 is changed from the discharge voltage protection value of the BMS battery protection board to the normal working voltage, and meanwhile, the low-voltage low-current direct-current output source board 80 is used for detecting the output voltage, if the detected voltage is changed from the set output value to 0 almost, the BMS battery protection board is restored to the normal output mode from the discharge voltage protection mode, and thus the discharge voltage protection function detection is completed.
The detection flow for realizing the discharge overcurrent protection function is as follows:
the simulated electricity core board 30 is connected with a battery end of the BMS battery protection board, provides a battery core voltage for the BMS battery protection board to work normally, the low-voltage low-current direct-current output source board 80 outputs a forward voltage taking a cathode of a charger end as a reference between the cathode of the battery end of the BMS battery protection board and the cathode of the charger end of the BMS battery protection board, the contact switch board 70 is connected with a wake-up switch of the BMS battery protection board, the BMS battery protection board is activated according to wake-up logic of the BMS battery protection board, and the low-voltage low-current direct-current output source board 80 returns the voltage output by the BMS battery protection board, and the returned voltage is almost 0 because the BMS battery protection board is already activated at the moment; then, the low-voltage high-current direct-current output source box 60 outputs a lower limit current of the discharge overcurrent protection current of the BMS battery protection board, the current flows in from the negative electrode of the load end of the BMS battery protection board and flows out from the negative electrode of the battery end of the BMS battery protection board, and meanwhile, the low-voltage low-current direct-current output source board 80 returns the output voltage, and the returned voltage is almost 0; then, the low-voltage high-current dc output source box 60 outputs the upper limit current of the discharge overcurrent protection current of the BMS battery protection board, the current flows in from the negative electrode of the load end of the BMS battery protection board, and flows out from the negative electrode of the battery end of the BMS battery protection board, and meanwhile, the low-voltage low-current dc output source board 80 returns the output voltage, and when the returned voltage is changed from almost 0 to a set output value, the BMS battery protection board is indicated to have been subjected to discharge overcurrent protection, so that the discharge overcurrent protection function detection is completed.
The flow for realizing the detection of the charging overcurrent protection function is as follows:
the simulated electricity core board 30 is connected with a battery end of the BMS battery protection board, provides a battery core voltage for the BMS battery protection board to work normally, the low-voltage low-current direct-current output source board 80 outputs a forward voltage taking a cathode of a charger end as a reference between the cathode of the battery end of the BMS battery protection board and the cathode of the charger end of the BMS battery protection board, the contact switch board 70 is connected with a wake-up switch of the BMS battery protection board, the BMS battery protection board is activated according to wake-up logic of the BMS battery protection board, and the low-voltage low-current direct-current output source board 80 returns the voltage output by the BMS battery protection board, and the returned voltage is almost 0 because the BMS battery protection board is already activated at the moment; then, the low-voltage high-current direct-current output source box 60 outputs a charging overcurrent protection current lower limit current of the BMS battery protection board, the current flows in from the battery end cathode of the BMS battery protection board and flows out from the load end cathode of the BMS battery protection board, and meanwhile, the low-voltage low-current direct-current output source board 80 returns the output voltage, and the returned voltage is almost 0; then, the low-voltage high-current dc output source box 60 outputs the upper limit current of the charging overcurrent protection current of the BMS battery protection board, the current flows in from the battery terminal cathode of the BMS battery protection board, and flows out from the load terminal cathode of the BMS battery protection board, and meanwhile, the low-voltage low-current dc output source board 80 returns the output voltage, and when the returned voltage is changed from almost 0 to the set output value, the BMS battery protection board is indicated to have been subjected to the charging overcurrent protection, so that the detection of the charging overcurrent protection function is completed.
The flow for realizing the detection of the whole charging function of the BMS battery protection board is as follows:
the simulated electricity core board 30 is connected with the battery end of the BMS battery protection board, provides the battery core voltage of normal work for the BMS battery protection board, sets the simulated electricity core current gear according to the detection requirement of the charging function, the low-voltage low-current direct-current output source board 80 outputs a forward voltage taking the negative electrode of the charger end as a reference between the negative electrode of the battery end of the BMS battery protection board and the negative electrode of the charger end of the BMS battery protection board, the contact switch board 70 is connected with the wake-up switch of the BMS battery protection board, activates the BMS battery protection board according to the wake-up logic of the BMS battery protection board, and the low-voltage low-current direct-current output source board 80 returns the output voltage; then, the positive pole of the high-voltage direct current source output board card 40 is connected with the positive pole of the charger end of the BMS battery protection board, the negative pole of the high-voltage direct current source output board card 40 is connected with the negative pole of the charger end of the BMS battery protection board, the high-voltage direct current source output board card 40 is set to output a voltage value and a constant current value (the voltage value is higher than the sum of all cell voltages of the protection board), then the high-voltage direct current source output board card 40 is started to output, at the moment, the external charging voltage of the protection board is higher than the sum of the cell voltage values, the analog cell board card 30 is in an absorption load state, the high-voltage direct current source output board card 40 measures the current output loop current, and in the specified measurement time, the whole charging function detection of the BMS battery is completed as long as the charging current is set value.
The flow for realizing the detection of the whole discharging function of the BMS battery protection board is as follows:
the simulated electricity core board 30 is connected with the battery end of the BMS battery protection board, provides the battery core voltage of normal work for the BMS battery protection board, sets the simulated electricity core current gear according to the detection requirement of the charging function, the low-voltage low-current direct-current output source board 80 outputs a forward voltage taking the negative electrode of the charger end as a reference between the negative electrode of the battery end of the BMS battery protection board and the negative electrode of the charger end of the BMS battery protection board, the contact switch board 70 is connected with the wake-up switch of the BMS battery protection board, activates the BMS battery protection board according to the wake-up logic of the BMS battery protection board, and the low-voltage low-current direct-current output source board 80 returns the output voltage; then, the positive pole of the high-voltage load absorbing board 50 is connected with the positive pole of the load end of the BMS battery protection board, the negative pole of the high-voltage load absorbing board 50 is connected with the negative pole of the load end of the BMS battery protection board, the constant current value of the high-voltage load absorbing board 50 is set, then the input port of the high-voltage load absorbing board 50 is opened, the battery cell voltage provided by the analog electric core board 30 reaches the high-voltage load absorbing board 50 through the internal circuit of the protection board, the high-voltage load absorbing board 50 measures and inputs the current loop current, and in the specified measurement time, the whole discharge function detection of the BMS battery protection board is completed as long as the discharge current is a set value.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present utility model.

Claims (7)

1. BMS battery protection board test equipment for carry out function detection to BMS battery protection board, BMS battery protection board is including MCU, analog front end module, charge-discharge module, wake-up switch, be used for connecting the battery end of group battery, be used for connecting the charger end of charger and be used for connecting the load end of load, its characterized in that: the BMS battery protection board testing equipment comprises a control module, a multifunctional communication adapter, an analog electric core board card, a high-voltage direct current source output board card, a high-voltage load absorption board card, a low-voltage large-current direct current output source box, a contact switch board and a low-voltage small-current direct current output source board card, wherein the control module is respectively in communication connection with the analog electric core board card, the high-voltage direct current source output board card, the high-voltage load absorption board card, the low-voltage large-current direct current output source box, the contact switch board and the low-voltage small-current direct current output source board card through the multifunctional communication adapter; the simulated electricity core board card is used for being connected with the battery end of the BMS battery protection board to provide the battery voltage for the BMS battery protection board; the high-voltage direct-current source output board card is used for being connected with the charger end of the BMS battery protection board, and providing charging voltage for the BMS battery protection board when the BMS battery protection board is subjected to integral charging function detection; the high-voltage load absorption board card is used for being connected with the load end of the BMS battery protection board, and when the BMS battery protection board is subjected to integral discharge function detection, an output end is provided for the BMS battery protection board to absorb load; the low-voltage high-current direct-current output source box is used for being connected with a charger end or a load end of the BMS battery protection board, and providing a reference current source for the BMS battery protection board when the BMS battery protection board is subjected to charging overcurrent protection function detection or charging overcurrent protection function detection; the contact switch plate is used for being connected with a wake-up switch of the BMS battery protection plate so as to activate the BMS battery protection plate; the output positive pole of low-voltage low-current direct-current output source board is used for being connected with the battery end negative pole of BMS battery protection board, and output negative pole is used for being connected with the charger end negative pole or the load end negative pole of BMS battery protection board, when carrying out charge protection function detection, discharge voltage protection function detection, discharge overcurrent protection function detection, charge overcurrent protection function detection, whole charge function detection or whole discharge function detection to BMS battery protection board, provide the reference voltage source for BMS battery protection board.
2. The BMS battery protection plate test apparatus according to claim 1, wherein: and the analog electric core board card adjusts the output voltage amplitude according to the control instruction of the control module so as to output electric core voltages with different amplitudes.
3. The BMS battery protection plate test apparatus according to claim 2, wherein: the output capacity of the high-voltage direct current source output board card is 150V/2A, the high-voltage direct current source output board card adjusts the output voltage amplitude and the output current amplitude according to the control instruction of the control module, and the high-voltage direct current source output board card is provided with a first current detection module which is used for detecting the output current of the high-voltage direct current source output board card.
4. The BMS battery protection plate test apparatus according to claim 3, wherein: the high-voltage load absorption board card has an absorption parameter of 150V/2A, and comprises a high-voltage load module and a second current detection module, wherein the second current detection module is used for detecting current flowing through the high-voltage load module.
5. The BMS battery protection plate test apparatus according to claim 4, wherein: the output capacity of the low-voltage high-current direct-current output source box is 5V/300A, and the low-voltage high-current direct-current output source box adjusts the output voltage amplitude and current amplitude according to the control instruction of the control module.
6. The BMS battery protection plate test apparatus according to claim 5, wherein: the output capacity of the low-voltage low-current direct-current output source board card is 5V/5A, the low-voltage low-current direct-current output source board card adjusts the output voltage amplitude and the output current amplitude according to the control instruction of the control module, and the low-voltage low-current direct-current output source board card is provided with a voltage detection module which is used for detecting the output voltage of the low-voltage low-current direct-current output source board card.
7. The BMS battery protection plate test apparatus according to any one of claims 1 to 6, wherein: the control module adopts a computer.
CN202322417028.2U 2023-09-06 2023-09-06 BMS battery protection board test equipment Active CN220752264U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322417028.2U CN220752264U (en) 2023-09-06 2023-09-06 BMS battery protection board test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322417028.2U CN220752264U (en) 2023-09-06 2023-09-06 BMS battery protection board test equipment

Publications (1)

Publication Number Publication Date
CN220752264U true CN220752264U (en) 2024-04-09

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Application Number Title Priority Date Filing Date
CN202322417028.2U Active CN220752264U (en) 2023-09-06 2023-09-06 BMS battery protection board test equipment

Country Status (1)

Country Link
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