CN220913312U - Multi-channel testing system for lithium battery module - Google Patents
Multi-channel testing system for lithium battery module Download PDFInfo
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- CN220913312U CN220913312U CN202322467803.5U CN202322467803U CN220913312U CN 220913312 U CN220913312 U CN 220913312U CN 202322467803 U CN202322467803 U CN 202322467803U CN 220913312 U CN220913312 U CN 220913312U
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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Abstract
The utility model provides a multi-channel test system of a lithium battery module, which belongs to the technical field of lithium battery module tests, and comprises a double-loop relay board B1, a double-loop relay board B2, a four-loop relay board B3 and a PLC; the double-loop relay board B1 comprises a relay K1 and a relay K2; the double-loop relay board B2 comprises a relay K3 and a relay K4; the four-way relay board B3 comprises a relay K5, a relay K6, a relay K7 and a relay K8; the relay K1, the relay K2, the relay K3, the relay K4, the relay K5, the relay K6, the relay K7 and the relay K8 are all connected with the PLC; one end of the relay K1 is connected with the relay K2, and the other end is connected with each relay K5; the relays K2 are connected with the relays K7; one end of the relay K3 is connected with the relay K4, and the other end is connected with each relay K6; the relays K4 are connected to the respective relays K8. The utility model has the advantages that: the testing efficiency of the lithium battery module is greatly improved.
Description
Technical Field
The utility model relates to the technical field of lithium battery module testing, in particular to a multi-channel testing system for a lithium battery module.
Background
Along with the increasing exhaustion of traditional energy sources, the development of novel energy sources has become a common requirement, and the lithium battery module serving as a power source of a new energy automobile has increasing demand and production. Performance test of the lithium battery module is an important link in production, and improvement of test efficiency is related to production efficiency of the whole production line of the lithium battery module, and is an urgent requirement of lithium battery module manufacturing enterprises.
However, for testing of the lithium battery module, conventionally, a test channel of the testing instrument is adopted, and the wire harness needs to be manually docked and switched, and since the lithium battery module comprises a plurality of electric cores, the testing circuit of the testing instrument and the tested lithium battery module needs to be frequently connected and disconnected, so that the performance and efficiency of the testing instrument cannot be exerted.
Therefore, how to provide a multi-channel testing system for a lithium battery module, so as to improve the testing efficiency of the lithium battery module, is a technical problem to be solved urgently.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a multi-channel test system for a lithium battery module, which can improve the test efficiency of the lithium battery module.
The utility model is realized in the following way: a multi-channel test system of a lithium battery module comprises a double-loop relay board B1, a double-loop relay board B2, a plurality of four-loop relay boards B3 and a PLC;
The double-loop relay board B1 comprises a relay K1 and a relay K2; the double-loop relay board B2 comprises a relay K3 and a relay K4; the four-way relay board B3 comprises a relay K5, a relay K6, a relay K7 and a relay K8;
the relay K1, the relay K2, the relay K3, the relay K4, the relay K5, the relay K6, the relay K7 and the relay K8 are all connected with the PLC;
One end of the relay K1 is connected with the relay K2, and the other end of the relay K1 is connected with each relay K5; the relays K2 are connected with the relays K7; one end of the relay K3 is connected with the relay K4, and the other end of the relay K3 is connected with each relay K6; the relays K4 are connected to the relays K8.
Further, the device also comprises a testing instrument, wherein the positive electrode is connected with the relay K1 and the relay K2, and the negative electrode is connected with the relay K3 and the relay K4.
The utility model has the advantages that:
Through setting up double-circuit relay board B1 and double-circuit relay board B2, divide into two with test instrument's positive pole and negative pole, set up a plurality of four-way relay board B3 respectively with double-circuit relay board B1 and double-circuit relay board B2 and be connected, four-way relay board B3 can infinitely merge, and double-circuit relay board B1, double-circuit relay board B2 and four-way relay board B3's relay K1, relay K2, relay K3, relay K4, relay K5, relay K6, relay K7 and relay K8 all are connected with PLC, after being connected to the electric core with four-way relay board B3, can switch test channel through each relay of PLC passageway, need not frequent switch-on and disconnection test instrument and the test circuit of electric core, and then very big promotion lithium battery module test efficiency.
Drawings
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a circuit diagram of a multi-channel test system for a lithium battery module according to the present utility model.
Fig. 2 is a schematic diagram of the wiring of the PLC of the present utility model.
Detailed Description
The embodiment of the utility model solves the technical problem that the test instrument is adopted to carry out the self-contained test channel in the prior art, and the wire harness is needed to be manually connected and switched, thereby realizing the technical effect of greatly improving the test efficiency of the lithium battery module.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows: a double-loop relay board B1 and a double-loop relay board B2 are arranged, the anode and the cathode of the testing instrument are divided into two paths, a plurality of four-path relay boards B3 are arranged and respectively connected with the double-loop relay board B1 and the double-loop relay board B2, and each relay of double circuit relay board B1, double circuit relay board B2 and four way relay board B3 all is connected with PLC, after being connected to the electric core with four way relay board B3, can switch the test channel through each relay of PLC passageway to promote lithium cell module test efficiency.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 2, a preferred embodiment of a multi-channel testing system for a lithium battery module according to the present utility model includes a dual-loop relay board B1, a dual-loop relay board B2, a plurality of four-loop relay boards B3, and a PLC;
The double-loop relay board B1 and the double-loop relay board B2 are used for dividing the anode and the cathode of the testing instrument into two paths; the four-way relay board B3 is used for connecting the battery core; the PLC is used for controlling the work of the test system, and in the specific implementation, the PLC capable of realizing the function is selected from the prior art, the model is not limited, and the control program is well known to the person skilled in the art, and can be obtained by the person skilled in the art without creative labor;
The double-loop relay board B1 comprises a relay K1 and a relay K2; the double-loop relay board B2 comprises a relay K3 and a relay K4; the four-way relay board B3 comprises a relay K5, a relay K6, a relay K7 and a relay K8;
the relay K1, the relay K2, the relay K3, the relay K4, the relay K5, the relay K6, the relay K7 and the relay K8 are all connected with the PLC;
One end of the relay K1 is connected with the relay K2, and the other end of the relay K1 is connected with each relay K5; the relays K2 are connected with the relays K7; one end of the relay K3 is connected with the relay K4, and the other end of the relay K3 is connected with each relay K6; the relays K4 are connected to the relays K8.
The testing device further comprises a testing instrument, wherein the positive electrode is connected with the relay K1 and the relay K2, and the negative electrode is connected with the relay K3 and the relay K4.
The working principle of the utility model is as follows:
The probes connected with the relay K5 and the relay K6 are pressed to the positive electrode of the battery cell through a servo mechanism or an air cylinder, and the probes connected with the relay K7 and the relay K8 are pressed to the negative electrode of the battery cell; the PLC closes the relay K1, the relay K4, the relay K5 and the relay K8, and starts a testing instrument to test the battery cell; if the incoming material directions of the electric cores are opposite, when the positive electrode and the negative electrode of the electric cores are adjusted, the relay K1, the relay K4, the relay 5 and the relay K8 are only required to be disconnected, and then the relay K2, the relay K3, the relay K6 and the relay K7 are closed, so that the test can be completed.
In summary, the utility model has the advantages that:
Through setting up double-circuit relay board B1 and double-circuit relay board B2, divide into two with test instrument's positive pole and negative pole, set up a plurality of four-way relay board B3 respectively with double-circuit relay board B1 and double-circuit relay board B2 and be connected, four-way relay board B3 can infinitely merge, and double-circuit relay board B1, double-circuit relay board B2 and four-way relay board B3's relay K1, relay K2, relay K3, relay K4, relay K5, relay K6, relay K7 and relay K8 all are connected with PLC, after being connected to the electric core with four-way relay board B3, can switch test channel through each relay of PLC passageway, need not frequent switch-on and disconnection test instrument and the test circuit of electric core, and then very big promotion lithium battery module test efficiency.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (2)
1. A lithium battery module multichannel test system is characterized in that: the device comprises a double-loop relay board B1, a double-loop relay board B2, a plurality of four-way relay boards B3 and a PLC;
The double-loop relay board B1 comprises a relay K1 and a relay K2; the double-loop relay board B2 comprises a relay K3 and a relay K4; the four-way relay board B3 comprises a relay K5, a relay K6, a relay K7 and a relay K8;
the relay K1, the relay K2, the relay K3, the relay K4, the relay K5, the relay K6, the relay K7 and the relay K8 are all connected with the PLC;
One end of the relay K1 is connected with the relay K2, and the other end of the relay K1 is connected with each relay K5; the relays K2 are connected with the relays K7; one end of the relay K3 is connected with the relay K4, and the other end of the relay K3 is connected with each relay K6; the relays K4 are connected to the relays K8.
2. The multi-channel test system of a lithium battery module according to claim 1, wherein: the testing device further comprises a testing instrument, wherein the positive electrode is connected with the relay K1 and the relay K2, and the negative electrode is connected with the relay K3 and the relay K4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322467803.5U CN220913312U (en) | 2023-09-12 | 2023-09-12 | Multi-channel testing system for lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322467803.5U CN220913312U (en) | 2023-09-12 | 2023-09-12 | Multi-channel testing system for lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220913312U true CN220913312U (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322467803.5U Active CN220913312U (en) | 2023-09-12 | 2023-09-12 | Multi-channel testing system for lithium battery module |
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| Country | Link |
|---|---|
| CN (1) | CN220913312U (en) |
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2023
- 2023-09-12 CN CN202322467803.5U patent/CN220913312U/en active Active
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