CN220289802U - Battery pack testing system - Google Patents
Battery pack testing system Download PDFInfo
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- CN220289802U CN220289802U CN202321913929.4U CN202321913929U CN220289802U CN 220289802 U CN220289802 U CN 220289802U CN 202321913929 U CN202321913929 U CN 202321913929U CN 220289802 U CN220289802 U CN 220289802U
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- 238000012360 testing method Methods 0.000 title claims abstract description 202
- 238000000034 method Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 101000984533 Homo sapiens Ribosome biogenesis protein BMS1 homolog Proteins 0.000 description 2
- IVUGBSGLHRJSSP-UHFFFAOYSA-N LimKi 3 Chemical compound S1C(NC(=O)C(C)C)=NC=C1C1=CC(C(F)F)=NN1C1=C(Cl)C=CC=C1Cl IVUGBSGLHRJSSP-UHFFFAOYSA-N 0.000 description 2
- 102100027057 Ribosome biogenesis protein BMS1 homolog Human genes 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a battery pack testing system, which comprises: the device comprises a test cabinet, a control module and a switch module; the test cabinet is connected with at least two battery packs and is used for testing the battery packs; the control module is arranged in the test cabinet, is connected with the battery pack and is used for outputting control signals according to signals output by the battery pack; the switch module is connected with the test cabinet, the control module and the battery packs, and is used for being conducted or disconnected according to control signals output by the control module so as to control the test cabinet to be connected with any battery pack or disconnected with any battery pack, and after any battery pack is disconnected with the test cabinet, the test cabinet tests the battery pack connected with the test cabinet. According to the battery pack testing system provided by the utility model, by arranging the switch module, the test of the battery pack connected with the test cabinet is not influenced after the test cabinet is disconnected with any battery pack, and the testing efficiency of the battery pack and the accuracy of the testing result are improved.
Description
Technical Field
The utility model relates to the technical field of battery detection, in particular to a battery pack testing system.
Background
Before the lithium battery pack leaves the factory, a battery pack test system is required to perform charge and discharge tests to test the performance of the battery pack. According to the specification model of the test cabinet and the specification model of the battery pack, a single or a plurality of battery packs can be connected in series at two ends of the test cabinet for testing.
At present, in the process of performing charge and discharge testing on a plurality of battery packs connected in series at two ends of a testing cabinet by a battery pack testing system, when the discharge voltage or the charge voltage of one battery pack reaches the cut-off voltage, the whole testing loop is disconnected, the testing system stops testing, and the other battery packs are not discharged or are not fully charged, so that the whole electrical performance testing process of the other battery packs is not completed, and the electrical performance testing data error of the battery packs is larger. In the process of testing the single battery pack connected in series at two ends of the testing cabinet by the battery pack testing system, the rated testing voltage of the testing cabinet is generally higher than the voltage of the battery pack to be tested, so that the utilization rate of the testing cabinet is lower, the cost of equipment is increased, and meanwhile, the testing efficiency of the battery pack is reduced by testing the single battery pack by the testing system.
Disclosure of Invention
The utility model provides a battery pack testing system which is used for solving the problems of larger error of battery pack testing data and low testing efficiency in the prior art.
According to an aspect of the present utility model, there is provided a battery pack testing system including: the device comprises a test cabinet, a control module and a switch module;
the test cabinet is connected with at least two battery packs and is used for testing the battery packs;
the control module is arranged in the test cabinet, is connected with the battery pack and is used for outputting control signals according to signals output by the battery pack;
the switch module is connected with the test cabinet, the control module and the battery pack, and is used for being conducted or disconnected according to the control signals output by the control module so as to control the test cabinet to be connected with or disconnected from any battery pack, and after any battery pack is disconnected from the test cabinet, the test cabinet tests the battery pack connected with the test cabinet.
Optionally, the switch module includes first switch, second switch, at least two third switches and at least two fourth switches, at least two battery package series connection, the first end of first switch is connected the positive pole of battery package, the second end of first switch is connected the positive pole of test cabinet, the first end of second switch is connected the negative pole of battery package, the second end of second switch is connected the negative pole of test cabinet, at least two third switches series connection is in between at least two battery packages, at least two fourth switches are connected in parallel respectively at least two battery package both ends, first switch second switch at least two third switches with at least two fourth switches are used for controlling the test cabinet with arbitrary battery package switch-on or switch-off.
Optionally, the first switch includes a first relay, the first relay coil is connected to the control module, a first end of the first relay contact is connected to a first end of the first switch, and a second end of the first relay contact is connected to a second end of the first switch.
Optionally, the second switch includes a second relay, the second relay coil is connected to the control module, a first end of the second relay contact is connected to a first end of the second switch, and a second end of the second relay contact is connected to a second end of the second switch.
Optionally, the at least two third switches include at least two third relays, the at least two third relays are connected in series between the at least two battery packs, the at least two third relay coils are connected with the control module, a first end of the first third relay contact is connected with a negative electrode of the battery pack, a second end of the first third relay contact is connected with a first end of the second third relay contact, and a second end of the second third relay contact is connected with a positive electrode of the battery pack.
Optionally, the fourth switch includes a fourth relay, the fourth relay coil is connected to the control module, a first end of the fourth relay contact is connected to an anode of the battery pack, and a second end of the fourth relay contact is connected to a cathode of the battery pack.
Optionally, the battery pack testing system further includes a fifth switch, a first end of the fifth switch is connected to the positive electrode of the testing cabinet, a second end of the fifth switch is connected to the positive electrode of the battery pack, the fifth switch is connected to the control module, and the fifth switch is used for being turned on or off according to a control signal output by the control module.
Optionally, the fifth switch includes a fifth relay, the fifth relay coil is connected to the control module, a first end of the fifth relay contact is connected to the first end of the fifth switch, and a second end of the fifth relay contact is connected to the second end of the fifth switch.
Optionally, the control module is connected with the battery pack, the battery pack comprises a battery management module, the control module is connected with the battery management module, and the control module is used for processing signals output by the battery management module and outputting the control signals.
Optionally, the control module includes a microcontroller.
The technical scheme of the embodiment of the utility model provides a battery pack testing system, which comprises the following steps: the device comprises a test cabinet, a control module and a switch module; the test cabinet is connected with at least two battery packs and is used for testing the battery packs; the control module is arranged in the test cabinet, is connected with the battery pack and is used for outputting control signals according to signals output by the battery pack; the switch module is connected with the test cabinet, the control module and the battery packs, and is used for being conducted or disconnected according to control signals output by the control module so as to control the test cabinet to be connected with any battery pack or disconnected with any battery pack, and after any battery pack is disconnected with the test cabinet, the test cabinet tests the battery pack connected with the test cabinet. According to the battery pack testing system provided by the utility model, the switch module is arranged to control the connection or disconnection of the testing cabinet and any battery pack, and after the testing cabinet is disconnected from any battery pack, the testing of the battery pack connected with the testing cabinet is not affected, so that the testing efficiency of the battery pack and the accuracy of the testing result are improved, and the problems of larger testing data error and low testing efficiency of the battery pack testing in the prior art are solved.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a battery pack testing system according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another battery pack testing system according to an embodiment of the present utility model;
fig. 3 is a circuit diagram of a battery pack testing system according to an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the utility model provides a battery pack testing system, fig. 1 is a schematic structural diagram of the battery pack testing system provided by the embodiment of the utility model, and as shown in fig. 1, the battery pack testing system comprises a testing cabinet 110, a control module 120 and a switch module 130; the test cabinet 110 is connected with at least two battery packs, and the test cabinet 110 is used for testing the battery packs; the control module 120 is disposed in the test cabinet 110, the control module 120 is connected to the battery pack, and the control module 120 is configured to output a control signal according to a signal output by the battery pack; the switch module 130 is connected to the test cabinet 110, the control module 120 and the battery packs, and the switch module 130 is configured to switch on or off according to a control signal output by the control module 120, so as to control the test cabinet 110 to switch on or off with any battery pack, and after any battery pack is disconnected from the test cabinet 110, the test cabinet tests the battery pack connected with the test cabinet.
In this embodiment, the test cabinet 110 is a device for testing the performance of a battery, and for example, the test cabinet may measure the capacity, internal resistance, charge-discharge efficiency, and the like of the battery. The control module 120 is a module having functions of data reception, data processing, data transmission, and the like. The switching module 130 is a module that can implement an on and off function, and for example, the switching module 130 includes a switching device.
Illustratively, a plurality of (at least two) battery packs are connected in series at both ends of the test cabinet 110, the test cabinet 110 tests the plurality of battery packs, and when one of the plurality of battery packs is abnormal, for example, the battery pack abnormality includes a condition that a charge voltage or a discharge voltage reaches a cutoff voltage, a temperature abnormality, and the like. The control module 120 outputs a control signal by receiving an abnormal signal output by the battery pack, and the switch module 130 controls the abnormal battery pack to be disconnected from the test cabinet 110 according to the control signal output by the control module 120, and the test cabinet tests the battery packs connected with the rest of the test cabinets.
The technical scheme of the embodiment provides a battery pack testing system, which comprises: the device comprises a test cabinet, a control module and a switch module; the test cabinet is connected with at least two battery packs and is used for testing the battery packs; the control module is arranged in the test cabinet, is connected with the battery pack and is used for outputting control signals according to signals output by the battery pack; the switch module is connected with the test cabinet, the control module and the battery packs, and is used for being conducted or disconnected according to control signals output by the control module so as to control the test cabinet to be connected with any battery pack or disconnected with any battery pack, and after any battery pack is disconnected with the test cabinet, the test cabinet tests the battery pack connected with the test cabinet. According to the battery pack testing system, the switch module is arranged, the testing cabinet is controlled to be connected with or disconnected from any battery pack, and after the testing cabinet is disconnected from any battery pack, testing of the battery pack connected with the testing cabinet is not affected, testing efficiency of the battery pack and accuracy of testing results are improved, and the problems that in the prior art, testing data errors of the battery pack testing are large and testing efficiency is low are solved.
Fig. 2 is a schematic structural diagram of another battery pack testing system provided in an embodiment of the present utility model, as shown in fig. 2, the switch module 130 includes a first switch, a second switch, at least two third switches and at least two fourth switches, at least two battery packs are connected in series, a first end of the first switch is connected with a positive pole of a battery pack, a second end of the first switch is connected with a positive pole of a testing cabinet, a first end of the second switch is connected with a negative pole of the battery pack, a second end of the second switch is connected with a negative pole of the testing cabinet, at least two third switches are connected in series between at least two battery packs, at least two fourth switches are connected in parallel at two ends of at least two battery packs, respectively, and the first switch, the second switch, the at least two third switches and the at least two fourth switches are used for controlling the testing cabinet to be connected with or disconnected from any battery pack.
The test cabinet 110 tests three series-connected battery packs, which are denoted by a battery pack 1, a battery pack 2, and a battery pack 3, respectively, as examples. The first switch is connected in series between the positive electrode of the test cabinet and the positive electrode of the battery pack 1, the second switch is connected between the negative electrode of the test cabinet and the negative electrode of the battery pack 3, at least two third switches are connected in series between the battery pack 1 and the battery pack 2 and between the battery pack 2 and the battery pack 3, and the fourth switch is connected in parallel with the corresponding battery pack, namely, three fourth switches are respectively connected in parallel with the battery pack 1, the battery pack 2 and the battery pack 3. When the test cabinet 110 tests the battery pack 1, the battery pack 2 and the battery pack 3, the first switch, the second switch and the third switch are in the closed state, and the fourth switch is in the open state. When the battery pack 1 is abnormal, the control module 120 controls the first switch to be opened, the third switch connected with the battery pack 1 to be opened according to an abnormal signal output by the battery pack 1, the rest of the third switches are still in a closed state, the fourth switch connected with the battery pack 1 in parallel is closed, and the rest of the fourth switches are still in an opened state, so that the battery pack 1 is disconnected from the test cabinet, the battery pack 2 and the battery pack 3 are kept connected with the test cabinet, and the test cabinet 110 continues to test the battery pack 2 and the battery pack 3.
On the basis of the above embodiments, the present embodiment describes a battery pack test system in detail. Fig. 3 is a circuit diagram of a battery pack testing system according to an embodiment of the present utility model, as shown in fig. 3, the first switch includes a first relay K1, a coil of the first relay K1 is connected to the control module 120, a first end of a contact of the first relay K1 is connected to a first end of the first switch, and a second end of the contact of the first relay K1 is connected to a second end of the first switch. The second switch comprises a second relay K2, a coil of the second relay K2 is connected with the control module 120, a first end of a contact of the second relay K2 is connected with a first end of the second switch, and a second end of the contact of the second relay K2 is connected with a second end of the second switch. The third switch comprises a third relay K3, at least two third relays K3 are connected in series between at least two battery packs, coils of the at least two third relays K3 are connected with the control module 120, a first end of a contact of a first third relay K3 is connected with a negative electrode of the battery pack, a second end of a contact of the first third relay K3 is connected with a first end of a contact of a second third relay K3, and a second end of a contact of the second third relay K3 is connected with a positive electrode of the battery pack. The fourth switch comprises a fourth relay K4, a coil of the fourth relay K4 is connected with the control module 120, a first end of a contact of the fourth relay K4 is connected with the anode of the battery pack, and a second end of the contact of the fourth relay K4 is connected with the cathode of the battery pack.
In this embodiment, the battery package includes battery package 1, battery package 2 and battery package 3, and the positive pole of battery package 1 is connected to the first end of first relay K1 contact, and the positive pole of test cabinet is connected to the second end of first relay K1 contact, and the negative pole of battery package 3 is connected to the first end of second relay K2 contact, and the negative pole of test cabinet is connected to the second end of second relay K2 contact. The first end of the contact of the first third relay K3 is connected with the negative electrode of the battery pack 1, the second end of the contact of the first third relay K3 is connected with the first end of the contact of the second third relay K3, the second end of the contact of the second third relay K3 is connected with the positive electrode of the battery pack 2, the first end of the contact of the first third relay K3 is connected with the negative electrode of the battery pack 2, the second end of the contact of the first third relay K3 is connected with the first end of the contact of the second third relay K3, and the second end of the contact of the second third relay K3 is connected with the positive electrode of the battery pack 3. The first end of the contact of the fourth relay K4 connected in parallel with the battery pack 1 is connected with the second end of the contact of the first relay K1, and the second end of the contact of the fourth relay K4 is connected with the second end of the contact of the first third relay K3; the first end of the contact of the fourth relay K4 connected in parallel with the battery pack 2 is connected with the first end of the contact of the second third relay K3, and the second end of the contact of the fourth relay K4 is connected with the second end of the contact of the first third relay K3; the first end of the contact of the fourth relay K4 connected in parallel with the battery pack 3 is connected with the first end of the contact of the second third relay K3, and the second end of the contact of the fourth relay K4 is connected with the second end of the contact of the second relay K2.
In this embodiment, when the test cabinet 110 tests the battery pack 1, the battery pack 2 and the battery pack 3, the first relay K1, the second relay K2 and the third relay K3 are all in the closed state, and the fourth relay K4 is in the open state. For example, when the battery pack 1 is abnormal, the control module 120 controls the first relay K1 to be opened according to an abnormal signal output by the battery pack 1, the third relay K3 connected with the battery pack 1 is opened, the rest of the third relay K3 is still in a closed state, the fourth relay K4 connected with the battery pack 1 in parallel is closed, and the rest of the fourth relay K4 is still in an opened state, so that the battery pack 1 is disconnected from the test cabinet, the battery pack 2 and the battery pack 3 are kept connected with the test cabinet, and the test cabinet 110 continues to test the battery pack 2 and the battery pack 3.
With continued reference to fig. 3, the battery pack testing system further includes a fifth switch, a first end of the fifth switch is connected to the positive electrode of the testing cabinet 110, a second end of the fifth switch is connected to the positive electrode of the battery pack, the fifth switch is connected to the control module 120, and the fifth switch is used for being turned on or off according to a control signal output by the control module 120. The fifth switch is used as a switch of the test main loop to control the connection or disconnection of all the battery packs and the test cabinet, for example, the fifth switch needs to be closed before the test cabinet tests the battery packs, and when the fifth switch is disconnected, all the battery packs are disconnected from the test cabinet.
Specifically, the fifth switch includes a fifth relay K5, a coil of the fifth relay K5 is connected to the control module 120, a first end of a contact of the fifth relay K5 is connected to a first end of the fifth switch, and a second end of a contact of the fifth relay K5 is connected to a second end of the fifth switch.
In this embodiment, the first end of the contact of the fifth relay K5 is connected to the positive electrode of the test cabinet, the second end of the contact of the fifth relay K5 is connected to the second end of the contact of the first relay K1, and after the fifth relay K5 is closed, the on or off states of the first relay K1, the second relay K2, the third relay K3 and the fourth relay K4 can enable the battery pack to be connected or disconnected with the test cabinet. When all the battery packs are abnormal, the control module controls the fifth relay K5 to be disconnected, and the battery packs are disconnected from the test cabinet.
With continued reference to fig. 3, the control module 120 is connected with a battery pack, the battery pack includes a battery management module BMS, the control module 120 is connected with the battery management module BMS, and the control module 120 is configured to process a signal output from the battery management module BMS and output a control signal. Wherein the control module 120 comprises a microcontroller.
In this embodiment, the battery pack 1 includes a battery management module BMS1, the battery pack 2 includes a battery management module BMS2, and the battery pack 3 includes a battery management module BMS3. The battery pack testing system also comprises a resistor R and a CAN communication bus, wherein the CAN communication bus comprises CAN_L and CAN_H. The battery management module BMS is a module for collecting battery pack information and monitoring battery pack states, the CAN communication bus is connected with the battery management module BMS and the control module, the battery management module BMS transmits the battery pack information to the control module through the CAN communication bus, and the control module outputs control signals according to signals output by the battery packs.
For example, when the test cabinet 110 tests the battery pack 1, the battery pack 2 and the battery pack 3, the first relay K1, the second relay K2, the third relay K3 and the fifth relay K5 are all in the closed state, and the fourth relay K4 is in the open state. When the voltage of the battery pack 1 reaches the cut-off voltage of the emptying or filling, data collected by the battery management module BMS1 are transmitted to the control module through the CAN-H and the CAN-L, the control module controls the first relay K1 to be disconnected after receiving signals, the third relay K3 connected with the battery pack 1 is disconnected, the rest of the third relay K3 is still in a closed state, the fourth relay K4 connected with the battery pack 1 in parallel is closed, the rest of the fourth relay K4 is still in an open state, the battery pack 1 is tested, and the battery pack 1 is disconnected from a test loop; when the voltage of the battery pack 2 reaches the cut-off voltage of the emptying or filling, data collected by the battery management module BMS2 are transmitted to the control module through the CAN-H and the CAN-L, after the control module receives signals, the control module controls the third relay K3 connected with the battery pack 2 to be disconnected, the fourth relay K4 connected with the battery pack 2 in parallel is closed, the battery pack 2 is tested, and the test circuit is disconnected; when the voltage of the last battery pack 3 in the test loop reaches the cut-off voltage of emptying or filling, data collected by the battery management module BMS3 are transmitted to the control module through the CAN-H and the CAN-L, and after the control module receives signals, the control module controls the main loop relay (namely the fifth relay K5) to be disconnected, and the battery pack of the whole test loop is tested.
The battery pack testing system provided by the embodiment is connected with the battery packs through the relay, so that the connection or disconnection of the testing cabinet and any battery pack is realized, the testing of the battery pack connected with the testing cabinet is not affected after the testing cabinet and any battery pack are disconnected, the accuracy of the battery pack testing result is improved, and meanwhile, a plurality of battery packs are tested, and the utilization rate and the production efficiency of equipment are improved.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A battery pack testing system, comprising: the device comprises a test cabinet, a control module and a switch module;
the test cabinet is connected with at least two battery packs and is used for testing the battery packs;
the control module is arranged in the test cabinet, is connected with the battery pack and is used for outputting control signals according to signals output by the battery pack;
the switch module is connected with the test cabinet, the control module and the battery pack, and is used for being conducted or disconnected according to the control signals output by the control module so as to control the test cabinet to be connected with or disconnected from any battery pack, and after any battery pack is disconnected from the test cabinet, the test cabinet tests the battery pack connected with the test cabinet.
2. The battery pack testing system of claim 1, wherein the switch module comprises a first switch, a second switch, at least two third switches and at least two fourth switches, the at least two battery packs are connected in series, a first end of the first switch is connected with an anode of the battery pack, a second end of the first switch is connected with an anode of the test cabinet, a first end of the second switch is connected with a cathode of the battery pack, a second end of the second switch is connected with a cathode of the test cabinet, the at least two third switches are connected in series between the at least two battery packs, the at least two fourth switches are connected in parallel to the at least two battery packs respectively, and the first switch, the second switch, the at least two third switches and the at least two fourth switches are used for controlling the test cabinet to be connected with or disconnected from any one of the battery packs.
3. The battery pack testing system of claim 2, wherein the first switch comprises a first relay, the first relay coil is connected to the control module, a first end of the first relay contact is connected to a first end of the first switch, and a second end of the first relay contact is connected to a second end of the first switch.
4. The battery pack testing system of claim 2, wherein the second switch comprises a second relay, the second relay coil is connected to the control module, a first end of the second relay contact is connected to a first end of the second switch, and a second end of the second relay contact is connected to a second end of the second switch.
5. The battery pack testing system of claim 2, wherein the at least two third switches comprise at least two third relays connected in series between the at least two battery packs, the at least two third relay coils connected to the control module, a first end of a first one of the third relay contacts connected to a negative pole of the battery pack, a second end of a first one of the third relay contacts connected to a first end of a second one of the third relay contacts, and a second end of the second one of the third relay contacts connected to a positive pole of the battery pack.
6. The battery pack testing system of claim 2, wherein the fourth switch comprises a fourth relay, the fourth relay coil is connected to the control module, a first end of the fourth relay contact is connected to a positive pole of the battery pack, and a second end of the fourth relay contact is connected to a negative pole of the battery pack.
7. The battery pack testing system of claim 1, further comprising a fifth switch, wherein a first end of the fifth switch is connected to the positive electrode of the testing cabinet, a second end of the fifth switch is connected to the positive electrode of the battery pack, the fifth switch is connected to the control module, and the fifth switch is used for being turned on or off according to a control signal output by the control module.
8. The battery pack testing system of claim 7, wherein the fifth switch comprises a fifth relay, the fifth relay coil is connected to the control module, a first end of the fifth relay contact is connected to a first end of the fifth switch, and a second end of the fifth relay contact is connected to a second end of the fifth switch.
9. The battery pack testing system of claim 1, wherein the control module is coupled to the battery pack, the battery pack comprising a battery management module, the control module coupled to the battery management module, the control module configured to process a signal output by the battery management module and output the control signal.
10. The battery pack testing system of claim 1, wherein the control module comprises a microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321913929.4U CN220289802U (en) | 2023-07-19 | 2023-07-19 | Battery pack testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321913929.4U CN220289802U (en) | 2023-07-19 | 2023-07-19 | Battery pack testing system |
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| Publication Number | Publication Date |
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| CN220289802U true CN220289802U (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321913929.4U Active CN220289802U (en) | 2023-07-19 | 2023-07-19 | Battery pack testing system |
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| CN (1) | CN220289802U (en) |
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2023
- 2023-07-19 CN CN202321913929.4U patent/CN220289802U/en active Active
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