CN220894460U - Lithium battery test loop detection device - Google Patents
Lithium battery test loop detection device Download PDFInfo
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- CN220894460U CN220894460U CN202322469644.2U CN202322469644U CN220894460U CN 220894460 U CN220894460 U CN 220894460U CN 202322469644 U CN202322469644 U CN 202322469644U CN 220894460 U CN220894460 U CN 220894460U
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- 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
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Abstract
The utility model provides a lithium battery test loop detection device in the technical field of lithium battery test, which comprises a main control board MASTER, a probe connecting board ZB1, a bottom board PCBD4, a connecting board PCB1, a connecting board PCB2, a connecting board PCB3 and a connecting board PCB4; the base plate PCBD4 is provided with a first channel connecting terminal group CH1, a second channel connecting terminal group CH2, a third channel connecting terminal group CH3 and a fourth channel connecting terminal group CH4; the first channel wiring terminal group CH1, the second channel wiring terminal group CH2, the third channel wiring terminal group CH3 and the fourth channel wiring terminal group CH4 are respectively connected with the connecting plate PCB1, the connecting plate PCB2, the connecting plate PCB3 and the connecting plate PCB4; the connecting plate PCB1 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER; the connecting plate PCB2 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER. The utility model has the advantages that: the reliability and the efficiency of the lithium battery test loop detection are greatly improved.
Description
Technical Field
The utility model relates to the technical field of lithium battery testing, in particular to a lithium battery testing loop detection device.
Background
Along with the increasing exhaustion of traditional energy and a plurality of problems exposed in production and use, the development of novel energy has become a common consensus; the lithium battery is used as an important component of the new energy automobile, the demand is larger and larger, and meanwhile, the battery manufacturing enterprises have higher requirements on the testing precision of the lithium battery.
After the lithium battery is produced, the lithium battery needs to be tested in terms of insulation, voltage resistance, internal resistance and the like, and the tests are used for testing the performance and the safety of the lithium battery, so that the improvement of the test precision is becoming a very urgent requirement of lithium battery manufacturing enterprises. In order to ensure the test precision, the test circuit needs to be correspondingly detected before the lithium battery is tested, such as calibration of a measuring instrument, open circuit detection of the test circuit, insulation detection of the test circuit and the like, but a set of stable, practical and simple detection device is not available conventionally, the stability and reliability of the test circuit cannot be ensured before a large amount of tests, once faults are found, the problem can only be checked step by step manually, the position of the problem cannot be locked quickly, even the position needs to be treated by a contact provider, and large labor hour is wasted.
Therefore, how to provide a device for testing a lithium battery test circuit to improve the reliability and efficiency of the detection of the lithium battery test circuit is a technical problem to be solved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a lithium battery test loop detection device for improving the reliability and efficiency of lithium battery test loop detection.
The utility model is realized in the following way: a lithium battery test loop detection device comprises a main control board MASTER, a probe connection board ZB1, a bottom board PCBD4, a connection board PCB1, a connection board PCB2, a connection board PCB3 and a connection board PCB4;
The base plate PCBD4 is provided with a first channel connecting terminal group CH1, a second channel connecting terminal group CH2, a third channel connecting terminal group CH3 and a fourth channel connecting terminal group CH4; the first channel wiring terminal group CH1, the second channel wiring terminal group CH2, the third channel wiring terminal group CH3 and the fourth channel wiring terminal group CH4 are respectively connected with the connecting plate PCB1, the connecting plate PCB2, the connecting plate PCB3 and the connecting plate PCB 4;
The connecting plate PCB1 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER; the connecting plate PCB2 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER.
Further, the MASTER control board MASTER includes a high-precision resistor R1, a high-precision resistor R2, a high-precision resistor R3, a high-precision resistor R4, a high-precision resistor R5, a high-voltage diode Q1, a high-voltage relay KA20, a high-voltage relay KA21, a high-voltage relay KA22, a high-voltage relay KA23, a high-voltage relay KA24, a high-voltage relay KA25, a high-voltage relay KA26, a high-voltage relay KA27, a high-voltage relay KA28, a banana socket 1HV-, a banana socket V-, a banana socket r+ and a banana socket R-;
One end of the banana socket 1 HV-is connected with the high-voltage relay KA24, and the other end of the banana socket is connected with the connecting plate PCB2 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket V+ is connected with the high-voltage relay KA20, and the other end of the banana socket V+ is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket R+ is connected with the high-voltage relay KA21, and the other end of the banana socket R+ is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket V-is connected with the high-voltage relay KA22, and the other end of the banana socket V-is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket R-is connected with the high-voltage relay KA23, and the other end of the banana socket R-is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs;
The pin 1 of the high-precision resistor R1 is connected with the high-voltage relay KA20, the high-precision resistor R2, the high-precision resistor R3, the high-precision resistor R4 and the high-precision resistor R5, and the pins 2, 3 and 4 are respectively connected with the high-voltage relay KA21, the high-voltage relay KA22 and the high-voltage relay KA 23;
One end of the high-voltage relay KA25 is respectively connected with the high-voltage relay KA24, the high-voltage relay KA26, the high-voltage relay KA27 and the high-voltage relay KA28, and the other end of the high-voltage relay KA25 is connected with the output end of the high-voltage diode Q1; the input end of the high-voltage diode Q1 is connected with a high-precision resistor R2; the high-voltage relay KA26, the high-voltage relay KA27 and the high-voltage relay KA28 are respectively connected with the high-precision resistor R3, the high-precision resistor R4 and the high-precision resistor R5.
Further, pins A-1A, A-2A, A-1B and A-2B of the probe connecting plate ZB1 are connected with the connecting plate PCB1 and the MASTER control board MASTER, and pins AC-P+ and AC-P-are connected with the connecting plate PCB2 and the MASTER control board MASTER.
Further, the connecting board PCB1, the connecting board PCB2, the connecting board PCB3 and the connecting board PCB4 each include a high-voltage relay K1, a high-voltage relay K2, a high-voltage relay K3, a high-voltage relay K4, a fuse F1, a fuse F2, a fuse F3 and a fuse F4;
One end of the high-voltage relay K1, one end of the high-voltage relay K2, one end of the high-voltage relay K3 and one end of the high-voltage relay K4 are respectively connected with the base plate PCBD4, and the other ends of the high-voltage relay K1, the high-voltage relay K2, the high-voltage relay K3 and the high-voltage relay K4 are respectively connected with the fuse F1, the fuse F2, the fuse F3 and the fuse F4;
The fuses F1, F2, F3 and F4 are connected to the probe connection plate ZB 1.
Further, the first channel terminal group CH1, the second channel terminal group CH2, the third channel terminal group CH3, and the fourth channel terminal group CH4 are respectively provided with a terminal A1, a terminal A2, a terminal B1, and a terminal B2.
Further, the device also comprises a shell, wherein the MASTER control board MASTER is arranged in the shell.
The utility model has the advantages that:
Through setting a main control board MASTER, a probe connection board ZB1, a bottom board PCBD4, a connection board PCB1, a connection board PCB2, a connection board PCB3 and a connection board PCB4, the bottom board PCBD4 is respectively connected with the connection board PCB1, the connection board PCB2, the connection board PCB3 and the connection board PCB4, the probe connection board ZB1 is respectively connected with the connection board PCB1, the connection board PCB2 and the main control board MASTER, and the main control board MASTER is provided with a high-precision resistor and a high-voltage relay; when the lithium battery test loop detection is carried out, the loop detection can be carried out by only simulating the anode and the cathode of the lithium battery through the probe connecting plate ZB1 and closing the high-voltage relay corresponding to the connecting plate and the MASTER control board MASTER; when the test loop is verified, the probe is suspended, the test of the shell insulation, the leakage current and the internal resistance of the lithium battery can be automatically simulated by switching the high-voltage relay, and when the test loop is abnormal, the problem can be rapidly checked and repaired by switching different high-voltage relays, so that the reliability and the efficiency of the detection of the lithium battery test loop are greatly improved finally.
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 lithium battery test loop detection device according to the present utility model.
Fig. 2 is a circuit diagram of the MASTER control board MASTER of the present utility model.
Fig. 3 is a front view of a lithium battery test circuit detection device according to the present utility model.
Fig. 4 is a top view of the MASTER control board MASTER of the present utility model.
Detailed Description
The embodiment of the utility model solves the technical problems that in the prior art, a set of detection device which is stable, practical and easy to operate is not available, the stability and reliability of the test loop cannot be guaranteed before large-scale test, and once faults are found, the problems can only be checked step by step manually, the positions of the problems cannot be quickly locked, even suppliers need to be contacted for treatment, and the great labor hour is wasted, so that the technical effects of greatly improving the reliability and efficiency of the detection of the lithium battery test loop are realized.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows: the MASTER control board MASTER is provided with a high-precision resistor and a high-voltage relay, and when the test loop is abnormal, the problem can be rapidly checked and repaired by switching different high-voltage relays, so that the reliability and the efficiency of the detection of the lithium battery test loop are improved.
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 4, a preferred embodiment of a testing circuit detecting device for a lithium battery of the present utility model includes a main control board MASTER, a probe connecting board ZB1, a base board PCBD4, a connecting board PCB1, a connecting board PCB2, a connecting board PCB3 and a connecting board PCB4;
The base plate PCBD4 is provided with a first channel connecting terminal group CH1, a second channel connecting terminal group CH2, a third channel connecting terminal group CH3 and a fourth channel connecting terminal group CH4; the first channel wiring terminal group CH1, the second channel wiring terminal group CH2, the third channel wiring terminal group CH3 and the fourth channel wiring terminal group CH4 are respectively connected with the connecting plate PCB1, the connecting plate PCB2, the connecting plate PCB3 and the connecting plate PCB 4;
The connecting plate PCB1 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER; the connecting plate PCB2 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER.
The MASTER control board MASTER comprises a high-precision resistor R1, a high-precision resistor R2, a high-precision resistor R3, a high-precision resistor R4, a high-precision resistor R5, a high-voltage diode Q1, a high-voltage relay KA20, a high-voltage relay KA21, a high-voltage relay KA22, a high-voltage relay KA23, a high-voltage relay KA24, a high-voltage relay KA25, a high-voltage relay KA26, a high-voltage relay KA27, a high-voltage relay KA28, a banana socket 1HV-, a banana socket V-, a banana socket r+ and a banana socket R-;
Through integrating the high-precision resistor to the MASTER control board MASTER, reserved interfaces such as HV+, HV-, V+, V-, R+, R-and the like on the MASTER control board MASTER, when the test loop is detected, the probe contacted with the lithium battery in the test loop is connected to the corresponding interface, the automatic test of the calibrated resistance can be realized through PLC control, and whether the test loop is normal can be judged by comparing the measured resistance with the calibrated resistance.
HV+ and HV-correspond to the total positive and lateral probes of the lithium battery, for checking the insulation and impedance loops of the lithium battery; r+ and V+ correspond to total positive probes of the lithium battery, and R-and V-correspond to total negative probes of the lithium battery, and are used for testing a test loop for checking internal resistance.
One end of the banana socket 1 HV-is connected with the high-voltage relay KA24, and the other end of the banana socket is connected with the connecting plate PCB2 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket V+ is connected with the high-voltage relay KA20, and the other end of the banana socket V+ is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket R+ is connected with the high-voltage relay KA21, and the other end of the banana socket R+ is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket V-is connected with the high-voltage relay KA22, and the other end of the banana socket V-is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket R-is connected with the high-voltage relay KA23, and the other end of the banana socket R-is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs;
The pin 1 of the high-precision resistor R1 is connected with the high-voltage relay KA20, the high-precision resistor R2, the high-precision resistor R3, the high-precision resistor R4 and the high-precision resistor R5, and the pins 2, 3 and 4 are respectively connected with the high-voltage relay KA21, the high-voltage relay KA22 and the high-voltage relay KA 23;
One end of the high-voltage relay KA25 is respectively connected with the high-voltage relay KA24, the high-voltage relay KA26, the high-voltage relay KA27 and the high-voltage relay KA28, and the other end of the high-voltage relay KA25 is connected with the output end of the high-voltage diode Q1; the input end of the high-voltage diode Q1 is connected with a high-precision resistor R2; the high-voltage relay KA26, the high-voltage relay KA27 and the high-voltage relay KA28 are respectively connected with the high-precision resistor R3, the high-precision resistor R4 and the high-precision resistor R5.
Pins A-1A, A-2A, A-1B and A-2B of the probe connecting plate ZB1 are connected with the connecting plate PCB1 and the MASTER control board MASTER, and pins AC-P+ and AC-P-are connected with the connecting plate PCB2 and the MASTER control board MASTER.
The connecting plate PCB1, the connecting plate PCB2, the connecting plate PCB3 and the connecting plate PCB4 comprise a high-voltage relay K1, a high-voltage relay K2, a high-voltage relay K3, a high-voltage relay K4, a fuse F1, a fuse F2, a fuse F3 and a fuse F4;
One end of the high-voltage relay K1, one end of the high-voltage relay K2, one end of the high-voltage relay K3 and one end of the high-voltage relay K4 are respectively connected with the base plate PCBD4, and the other ends of the high-voltage relay K1, the high-voltage relay K2, the high-voltage relay K3 and the high-voltage relay K4 are respectively connected with the fuse F1, the fuse F2, the fuse F3 and the fuse F4;
The fuses F1, F2, F3 and F4 are connected to the probe connection plate ZB 1.
The first channel terminal group CH1, the second channel terminal group CH2, the third channel terminal group CH3, and the fourth channel terminal group CH4 are all provided with a terminal A1, a terminal A2, a terminal B1, and a terminal B2.
The main control board MASTER is arranged in the shell.
The working principle of the utility model is as follows:
The detection device is arranged in the test equipment, and before the test equipment performs the test, the test loop is verified by the detection device, so that the accuracy of the test loop is ensured, the reliability of the test result is ensured when the test equipment performs the test of a large number of lithium batteries, the test result judgment error caused by the short circuit and the open circuit of the test loop is prevented, the test loop is prevented from being too large in deviation of the measurement result caused by the interference of the external environment, and the stability of the test equipment is further influenced.
Firstly, leading out a probe from a high-voltage silica gel wire for testing equipment, and inserting the probe onto the detection device by using a high-voltage plug; when the test loop is required to be verified, the probe is suspended (not contacted with the lithium battery), the shell insulation, the leakage current and the internal resistance test of the lithium battery are automatically simulated by switching the high-voltage relay, and the test loop is judged to be normal by comparing the measured resistance with the calibrated resistance; if judging to be normal, switching off all high-voltage relays in the detection device, and normally testing the test equipment to ensure the authenticity and credibility of the test data of the test equipment; if the fault is judged, the problem is rapidly checked and solved by switching different high-voltage relays, and the down time of the test equipment is reduced.
In summary, the utility model has the advantages that:
Through setting a main control board MASTER, a probe connection board ZB1, a bottom board PCBD4, a connection board PCB1, a connection board PCB2, a connection board PCB3 and a connection board PCB4, the bottom board PCBD4 is respectively connected with the connection board PCB1, the connection board PCB2, the connection board PCB3 and the connection board PCB4, the probe connection board ZB1 is respectively connected with the connection board PCB1, the connection board PCB2 and the main control board MASTER, and the main control board MASTER is provided with a high-precision resistor and a high-voltage relay; when the lithium battery test loop detection is carried out, the loop detection can be carried out by only simulating the anode and the cathode of the lithium battery through the probe connecting plate ZB1 and closing the high-voltage relay corresponding to the connecting plate and the MASTER control board MASTER; when the test loop is verified, the probe is suspended, the test of the shell insulation, the leakage current and the internal resistance of the lithium battery can be automatically simulated by switching the high-voltage relay, and when the test loop is abnormal, the problem can be rapidly checked and repaired by switching different high-voltage relays, so that the reliability and the efficiency of the detection of the lithium battery test loop are greatly improved finally.
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 (6)
1. A lithium battery test loop detection device is characterized in that: comprises a main control board MASTER, a probe connecting board ZB1, a bottom board PCBD4, a connecting board PCB1, a connecting board PCB2, a connecting board PCB3 and a connecting board PCB4;
The base plate PCBD4 is provided with a first channel connecting terminal group CH1, a second channel connecting terminal group CH2, a third channel connecting terminal group CH3 and a fourth channel connecting terminal group CH4; the first channel wiring terminal group CH1, the second channel wiring terminal group CH2, the third channel wiring terminal group CH3 and the fourth channel wiring terminal group CH4 are respectively connected with the connecting plate PCB1, the connecting plate PCB2, the connecting plate PCB3 and the connecting plate PCB 4;
The connecting plate PCB1 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER; the connecting plate PCB2 is connected with the probe connecting plate ZB1 and the MASTER control board MASTER.
2. The lithium battery test circuit detection device as claimed in claim 1, wherein: the MASTER control board MASTER comprises a high-precision resistor R1, a high-precision resistor R2, a high-precision resistor R3, a high-precision resistor R4, a high-precision resistor R5, a high-voltage diode Q1, a high-voltage relay KA20, a high-voltage relay KA21, a high-voltage relay KA22, a high-voltage relay KA23, a high-voltage relay KA24, a high-voltage relay KA25, a high-voltage relay KA26, a high-voltage relay KA27, a high-voltage relay KA28, a banana socket 1HV-, a banana socket V-, a banana socket r+ and a banana socket R-;
One end of the banana socket 1 HV-is connected with the high-voltage relay KA24, and the other end of the banana socket is connected with the connecting plate PCB2 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket V+ is connected with the high-voltage relay KA20, and the other end of the banana socket V+ is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket R+ is connected with the high-voltage relay KA21, and the other end of the banana socket R+ is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket V-is connected with the high-voltage relay KA22, and the other end of the banana socket V-is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs; one end of the banana socket R-is connected with the high-voltage relay KA23, and the other end of the banana socket R-is connected with the connecting plate PCB1 and the probe connecting plate ZB1 through banana plugs;
The pin 1 of the high-precision resistor R1 is connected with the high-voltage relay KA20, the high-precision resistor R2, the high-precision resistor R3, the high-precision resistor R4 and the high-precision resistor R5, and the pins 2, 3 and 4 are respectively connected with the high-voltage relay KA21, the high-voltage relay KA22 and the high-voltage relay KA 23;
One end of the high-voltage relay KA25 is respectively connected with the high-voltage relay KA24, the high-voltage relay KA26, the high-voltage relay KA27 and the high-voltage relay KA28, and the other end of the high-voltage relay KA25 is connected with the output end of the high-voltage diode Q1; the input end of the high-voltage diode Q1 is connected with a high-precision resistor R2; the high-voltage relay KA26, the high-voltage relay KA27 and the high-voltage relay KA28 are respectively connected with the high-precision resistor R3, the high-precision resistor R4 and the high-precision resistor R5.
3. The lithium battery test circuit detection device as claimed in claim 1, wherein: pins A-1A, A-2A, A-1B and A-2B of the probe connecting plate ZB1 are connected with the connecting plate PCB1 and the MASTER control board MASTER, and pins AC-P+ and AC-P-are connected with the connecting plate PCB2 and the MASTER control board MASTER.
4. The lithium battery test circuit detection device as claimed in claim 1, wherein: the connecting plate PCB1, the connecting plate PCB2, the connecting plate PCB3 and the connecting plate PCB4 comprise a high-voltage relay K1, a high-voltage relay K2, a high-voltage relay K3, a high-voltage relay K4, a fuse F1, a fuse F2, a fuse F3 and a fuse F4;
One end of the high-voltage relay K1, one end of the high-voltage relay K2, one end of the high-voltage relay K3 and one end of the high-voltage relay K4 are respectively connected with the base plate PCBD4, and the other ends of the high-voltage relay K1, the high-voltage relay K2, the high-voltage relay K3 and the high-voltage relay K4 are respectively connected with the fuse F1, the fuse F2, the fuse F3 and the fuse F4;
The fuses F1, F2, F3 and F4 are connected to the probe connection plate ZB 1.
5. The lithium battery test circuit detection device as claimed in claim 1, wherein: the first channel terminal group CH1, the second channel terminal group CH2, the third channel terminal group CH3, and the fourth channel terminal group CH4 are all provided with a terminal A1, a terminal A2, a terminal B1, and a terminal B2.
6. The lithium battery test circuit detection device as claimed in claim 1, wherein: the main control board MASTER is arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469644.2U CN220894460U (en) | 2023-09-12 | 2023-09-12 | Lithium battery test loop detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322469644.2U CN220894460U (en) | 2023-09-12 | 2023-09-12 | Lithium battery test loop detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220894460U true CN220894460U (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322469644.2U Active CN220894460U (en) | 2023-09-12 | 2023-09-12 | Lithium battery test loop detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220894460U (en) |
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2023
- 2023-09-12 CN CN202322469644.2U patent/CN220894460U/en active Active
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