Automatic testing device for energy storage high-voltage box

Abstract

The utility model relates to an automatic testing device for an energy storage high-voltage box, which is characterized in that the automatic testing device comprises a cabinet body, and an upper computer, an input device, a display screen, a PLC unit and a testing loop which are integrated in the cabinet body, the input device is electrically connected with the high-voltage box and the upper computer, the display screen and the PLC unit are respectively and electrically connected with the upper computer, and the testing loop is electrically connected with the high-voltage box. The display screen is used for displaying test data for testing the high-voltage box, and the test loop comprises an insulation and voltage resistance test loop, an impedance test loop, a high-voltage sampling loop and a through-flow test loop which are all connected with the upper computer and the PLC unit and are respectively used for insulation and voltage resistance test, impedance test, high-voltage sampling and through-flow test of the high-voltage box. The energy storage high-voltage box is complete in test function and high in compatibility, can realize different tests without carrying the high-voltage box back and forth, and solves the problems of low efficiency, low personnel safety coefficient and high overall test cost caused by carrying back and forth in an energy storage high-voltage box test operation mode in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of test devices, specifically to a kind of automatic test device of energy storage high voltage box, belong to energy storage power system technical field. BACKGROUND

[0002] At present, energy storage high voltage box needs to carry out a series of tests on high voltage box before being connected to energy storage system for whole machine test, including insulation withstand voltage test, functional test, internal electronic component function detection and internal wiring detection, to avoid abnormality when high voltage box is connected to system for whole machine test, resulting in damage to other equipment and rework on high voltage box, which seriously affects the whole system debugging.

[0003] And the existing high voltage box test operation mode is: after high voltage box is completed on production line, product is first offline to test area, and test personnel transport to test platform for test, because test process involves many instruments and equipment, test is divided into three parts, first insulation withstand voltage test is carried out, after this part of test is qualified, electronic component function detection is carried out, after detection is qualified, finally functional test is carried out, high voltage is needed on high voltage box in this part of test process, and high current is needed, after all test items are qualified, test record is filled, and finally sealing is carried out, whole test process is finished.

[0004] The whole process of this test operation mode needs to carry high voltage box back and forth, test personnel frequently operate high voltage box, and many people need to cooperate in test process, test data is recorded at any time in test process, and test report is filled, which leads to low operation efficiency, low personnel safety factor and high overall test cost. SUMMARY

[0005] The utility model aims at: provide a kind of automatic test device of energy storage high voltage box, which is complete in test function, high in compatibility, and does not need to carry high voltage box back and forth, different test tests can be realized on it, solve the problems of low efficiency, low personnel safety factor and high overall test cost in the test operation mode of energy storage high voltage box in prior art.

[0006] To achieve the above purpose, the technical scheme of the utility model is: an automatic test device of energy storage high voltage box, the innovation point is that: including cabinet body, and integrated in cabinet body upper computer, input device, display screen, PLC unit and test circuit,

[0007] The input device is electrically connected with the corresponding input end of high voltage box and upper computer, the display screen and PLC unit are electrically connected with the corresponding output end of upper computer respectively, and the display screen is used to display the test data of test high voltage box,

[0008] The test circuit includes:

[0009] An insulation withstand voltage test circuit, a plurality of input ends of the insulation withstand voltage test circuit are connected with corresponding output ends of the host computer and corresponding connection ends of the PLC unit respectively, and an output end thereof is connected with a test interface corresponding to the high-voltage box, for insulation withstand voltage test of the high-voltage box,

[0010] An impedance test circuit, a plurality of input ends of the impedance test circuit are connected with corresponding output ends of the host computer and corresponding connection ends of the PLC unit respectively, and an output end thereof is connected with a test interface corresponding to the high-voltage box, for impedance test of the high-voltage box,

[0011] A high-voltage sampling circuit, a plurality of input ends of the high-voltage sampling circuit are connected with corresponding output ends of the host computer and corresponding connection ends of the PLC unit respectively, and an output end thereof is connected with a test interface corresponding to the high-voltage box, for high-voltage sampling test of the high-voltage box,

[0012] A through-flow test circuit, a plurality of input ends of the through-flow test circuit are connected with corresponding output ends of the host computer and corresponding connection ends of the PLC unit respectively, and an output end thereof is connected with a test interface corresponding to the high-voltage box, for through-flow test of the high-voltage box.

[0013] In the above technical solution, the input device includes a keyboard and a code scanning gun, an output end of the keyboard is electrically connected with a corresponding input end of the host computer, for inputting data of the high-voltage box simulation test, and an output end of the code scanning gun is electrically connected with a corresponding input end of the host computer, for scanning a bar code of the high-voltage box to be bound to the host computer, and the host computer stores test information and test data of the high-voltage box.

[0014] In the above technical solution, the insulation withstand voltage test circuit includes a withstand voltage instrument and a first relay circuit composed of a plurality of relays, an input end of the withstand voltage instrument is connected with a corresponding output end of the host computer, high-voltage output and low-voltage output of the withstand voltage instrument are connected with a test interface corresponding to the high-voltage box through the first relay circuit, and a control end of the first relay circuit is further connected with a corresponding connection end of the PLC unit.

[0015] In the above technical solution, a back surface of the cabinet body is provided with a high-voltage withstand voltage interface, a low-voltage withstand voltage interface, a BAT interface and a PCS interface, the high-voltage withstand voltage interface, the low-voltage withstand voltage interface, the BAT interface and the PCS interface are connected with corresponding connection ends of the first relay circuit respectively, the high-voltage withstand voltage interface is connected with a multi-core phoenix terminal of the high-voltage box, the low-voltage withstand voltage interface is connected with a network port of the high-voltage box, the BAT interface is connected with a BAT interface of the high-voltage box, and the PCS interface is connected with a PCS interface of the high-voltage box.

[0016] In the above technical scheme, the impedance test circuit comprises an impedance meter and a second relay circuit composed of a plurality of relays, the input end of the impedance meter is connected with the output end corresponding to the upper computer, the positive interface and the negative interface of the impedance meter are both connected with the test interface corresponding to the high-voltage box through the second relay circuit, and the control end of the second relay circuit is also connected with the corresponding connection end of the PLC unit.

[0017] In the above technical scheme, the back of the cabinet body is provided with a BAT interface and a PCS interface, the BAT interface is connected with the connection end corresponding to the second relay circuit, and the BAT interface is also connected with the BAT interface of the high-voltage box through the test wiring harness, the PCS interface is connected with the connection end corresponding to the second relay circuit, and the PCS interface is also connected with the PCS interface of the high-voltage box through the test wiring harness.

[0018] In the above technical scheme, the high-voltage sampling circuit comprises a voltage source and a third relay circuit composed of a plurality of relays, the voltage source is connected with the output end corresponding to the upper computer, the positive interface and the negative interface of the voltage source are both connected with the test interface corresponding to the high-voltage box through the third relay circuit, and the control end of the third relay circuit is also connected with the corresponding connection end of the PLC unit.

[0019] In the above technical scheme, the back of the cabinet body is provided with a BAT interface, a PCS interface, a 24V power supply interface and a communication network port, the BAT interface, the PCS interface, the 24V power supply interface and the communication network port are respectively connected with the corresponding connection end of the third relay circuit, and the BAT interface is connected with the BAT interface of the high-voltage box, the PCS interface is connected with the PCS interface of the high-voltage box, the 24V power supply interface is connected with the 24V power supply interface of the high-voltage box, and the communication network port is connected with the network port of the high-voltage box.

[0020] In the above technical scheme, the through-flow test circuit comprises a current source and a fourth relay circuit composed of a plurality of relays, the current source is connected with the output end corresponding to the upper computer, the positive interface and the negative interface of the current source are both connected with the test interface corresponding to the high-voltage box through the fourth relay circuit, and the control end of the fourth relay circuit is also connected with the corresponding connection end of the PLC unit.

[0021] In the above technical scheme, the test circuit further comprises a low-voltage sampling circuit, the low-voltage sampling circuit comprises a voltmeter, one end of the voltmeter is connected with the upper computer, and the other end of the voltmeter is connected with the 24V power supply interface of the high-voltage box.

[0022] The positive effect of the utility model is: after the energy storage high-voltage box automatic test device of the utility model, because the utility model includes cabinet body, and the upper computer, input device, display screen, PLC unit and test circuit integrated in the cabinet body,

[0023] The input device is electrically connected with the high-voltage box and the corresponding input end of the upper computer, the display screen and the PLC unit are respectively electrically connected with the corresponding output end of the upper computer, and the display screen is used for displaying the test data of the test high-voltage box,

[0024] The test circuit comprises:

[0025] An insulation withstand voltage test circuit, a plurality of input ends of the insulation withstand voltage test circuit are connected with the corresponding output end of the upper computer and the corresponding connection end of the PLC unit respectively, and an output end thereof is connected with the corresponding test interface of the high-voltage box, and is used for insulation withstand voltage test of the high-voltage box,

[0026] An impedance test circuit, a plurality of input ends of the impedance test circuit are connected with the corresponding output end of the upper computer and the corresponding connection end of the PLC unit respectively, and an output end thereof is connected with the corresponding test interface of the high-voltage box, and is used for impedance test of the high-voltage box,

[0027] A high-voltage sampling circuit, a plurality of input ends of the high-voltage sampling circuit are connected with the corresponding output end of the upper computer and the corresponding connection end of the PLC unit respectively, and an output end thereof is connected with the corresponding test interface of the high-voltage box, and is used for high-voltage sampling test of the high-voltage box,

[0028] A through-flow test circuit, a plurality of input ends of the through-flow test circuit are connected with the corresponding output end of the upper computer and the corresponding connection end of the PLC unit respectively, and an output end thereof is connected with the corresponding test interface of the high-voltage box, and is used for through-flow test of the high-voltage box,

[0029] During the test, the high-voltage box is electrically connected with the test circuit in advance, the test item of the high-voltage box is input into the upper computer through the input device, and the upper computer controls different test circuits to act through the PLC unit,

[0030] During the insulation withstand voltage test, the PLC unit controls the insulation withstand voltage test circuit to be turned on, and the insulation withstand voltage test of the high-voltage box is implemented, and the test result is displayed on the display screen,

[0031] During the impedance test, the PLC unit controls the impedance test circuit to be turned on, and the impedance test of the high-voltage box is implemented, and the test result is displayed on the display screen,

[0032] During the high-voltage test, the PLC unit controls the high-voltage sampling circuit to be turned on, and the high-voltage sampling test of the high-voltage box is implemented, and the test result is displayed on the display screen,

[0033] During the through-flow test, the PLC unit controls the through-flow test circuit to be turned on, and the through-flow test of the high-voltage box is implemented, and the test result is displayed on the display screen,

[0034] The tester can view data and results of different tests on the high-voltage box through the display screen,

[0035] Since the existing high-voltage box test items are numerous and disordered, the existing test technology cannot complete all test items on one device, so the high-voltage box needs to be transported back and forth between different test areas, and in the traditional test process, the tester needs to directly contact the high-voltage box and the test equipment, which is dangerous for such live work, and in addition, for the use of a single test device, personnel need to record test data, write test reports and archive,

[0036] By using the device, various test items of the high-voltage box can be completed, and the host computer can also automatically record data, generate test reports and upload the system, which overcomes the drawbacks of the existing technology that the high-voltage box is transported back and forth between different areas for testing, and the tester does not need to directly contact the high-voltage box and the test equipment, avoiding dangerous live work, and the device is very flexible and convenient to use, has complete test functions, high compatibility, and does not need to transport the high-voltage box back and forth, so that different test experiments can be realized, and the problems of low efficiency, low safety factor and high overall test cost of the existing technology of energy storage high-voltage box test operation mode are solved. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 is a structural schematic diagram of a specific embodiment of the utility model;

[0038] Figure 2 is Figure 1 a rear view schematic diagram (remove the rear cover plate of the upper half part);

[0039] Figure 3 is an electrical principle schematic diagram of the utility model;

[0040] Figure 4 is a principle schematic diagram of the test loop of the utility model. DETAILED DESCRIPTION

[0041] The utility model is further described below in combination with the drawings and the embodiments given, but is not limited thereto.

[0042] As Figure 1 , 2 , 3, 4 shows a kind of energy storage high-voltage box automatic testing device, including cabinet 1, and integrated in cabinet 1 host computer 2, input device 3, display screen 4, PLC unit 5 and test loop,

[0043] The input device 3 is electrically connected with the high-voltage box and the corresponding input end of the host computer 2, the display screen 4 and the PLC unit 5 are respectively electrically connected with the corresponding output end of the host computer 2, and the display screen 4 is used for displaying the test data of the test high-voltage box,

[0044] The test circuit comprises:

[0045] An insulation withstand voltage test circuit 6, a plurality of input ends of the insulation withstand voltage test circuit 6 are connected with the corresponding output end of the host computer 2 and the corresponding connection end of the PLC unit 5 respectively, and the output end is connected with the corresponding test interface of the high-voltage box, and is used for the insulation withstand voltage test of the high-voltage box,

[0046] An impedance test circuit 7, a plurality of input ends of the impedance test circuit 7 are connected with the corresponding output end of the host computer 2 and the corresponding connection end of the PLC unit 5 respectively, and the output end is connected with the corresponding test interface of the high-voltage box, and is used for the impedance test of the high-voltage box,

[0047] A high-voltage sampling circuit 8, a plurality of input ends of the high-voltage sampling circuit 8 are connected with the corresponding output end of the host computer 2 and the corresponding connection end of the PLC unit 5 respectively, and the output end is connected with the corresponding test interface of the high-voltage box, and is used for the high-voltage sampling test of the high-voltage box,

[0048] A through-flow test circuit 9, a plurality of input ends of the through-flow test circuit 9 are connected with the corresponding output end of the host computer 2 and the corresponding connection end of the PLC unit 5 respectively, and the output end is connected with the corresponding test interface of the high-voltage box, and is used for the through-flow test of the high-voltage box.

[0049] As shown in the figure, Figure 3 In order to facilitate the analog test of the high-voltage box, the input device 3 comprises a keyboard 31 and a code scanning gun 32, the output end of the keyboard 31 is electrically connected with the corresponding input end of the host computer 2, and is used for inputting the data of the high-voltage box analog test and controlling the test process, the output end of the code scanning gun 32 is electrically connected with the corresponding input end of the host computer 2, and is used for scanning the high-voltage box bar code to bind to the host computer, and the host computer 2 stores the test information and test data of the high-voltage box.

[0050] As shown in the figure, Figure 3 , 4 In order to realize the insulation withstand voltage test of the high-voltage box, the insulation withstand voltage test circuit 6 comprises a withstand voltage instrument 61 and a first relay circuit 62 composed of a plurality of relays, the input end of the withstand voltage instrument 61 is connected with the corresponding output end of the host computer 2, the high-voltage output port and the low-voltage output port of the withstand voltage instrument 61 are connected with the corresponding test interface of the high-voltage box through the first relay circuit 62, and the control end of the first relay circuit 62 is also connected with the corresponding connection end of the PLC unit 5.

[0051] As shown in the figure, Figure 2As shown in the figure, in order to realize the quick plug-in of the high-voltage box and the cabinet body, the back of the cabinet body 1 is provided with a high-voltage pressure interface 11, a low-voltage pressure interface 12, a BAT interface 13 and a PCS interface 14, the high-voltage pressure interface 11, the low-voltage pressure interface 12, the BAT interface 13 and the PCS interface 14 are connected with the corresponding connection ends of the first relay circuit 62 respectively, and the high-voltage pressure interface 11 is connected with the multi-core phoenix terminal of the high-voltage box, the low-voltage pressure interface 12 is connected with the network port of the high-voltage box, the BAT interface 13 is connected with the BAT interface of the high-voltage box, and the PCS interface 14 is connected with the PCS interface of the high-voltage box.

[0052] As shown in the figure, Figure 3 , 4 As shown in the figure, in order to realize the impedance test of the high-voltage box, the impedance test circuit 7 includes an impedance meter 71 and a second relay circuit 72 composed of several relays, the input end of the impedance meter 71 is connected with the corresponding output end of the host computer 2, the positive interface and the negative interface of the impedance meter 71 are connected with the corresponding test interfaces of the high-voltage box through the second relay circuit 72, and the control end of the second relay circuit 72 is also connected with the corresponding connection end of the PLC unit 5.

[0053] As shown in the figure, Figure 2 As shown in the figure, in order to realize the electrical connection between the impedance test circuit and the cabinet body and the high-voltage box, the back of the cabinet body 1 is provided with a BAT interface 13 and a PCS interface 14, the BAT interface 13 is connected with the corresponding connection end of the second relay circuit 72, and the BAT interface 13 is also connected with the BAT interface of the high-voltage box through the test wire harness, and the PCS interface 14 is connected with the corresponding connection end of the second relay circuit 72, and the PCS interface 14 is also connected with the PCS interface of the high-voltage box through the test wire harness.

[0054] As shown in the figure, Figure 3 , 4 As shown in the figure, in order to realize the high-voltage sampling of the high-voltage box, the high-voltage sampling circuit 8 includes a voltage source 81 and a third relay circuit 82 composed of several relays, the voltage source 81 is connected with the corresponding output end of the host computer 2, the voltage source positive interface and the power negative interface of the voltage source 81 are connected with the corresponding test interfaces of the high-voltage box through the third relay circuit 82, and the control end of the third relay circuit 82 is also connected with the corresponding connection end of the PLC unit 5.

[0055] As shown in the figure, Figure 2As shown in the figure, in order to realize the electrical connection between the high-voltage sampling circuit and the cabinet body and the high-voltage box, the back of the cabinet 1 is provided with a BAT interface 13, a PCS interface 14, a 24V power supply interface 16 and a communication network interface 17, the BAT interface 13, the PCS interface 14, the 24V power supply interface 16 and the communication network interface 17 are connected with the corresponding connection end of the third relay circuit 82 respectively, and the BAT interface 13 is connected with the BAT interface of the high-voltage box, the PCS interface 14 is connected with the PCS interface of the high-voltage box, the 24V power supply interface 16 is connected with the 24V power supply interface of the high-voltage box, and the communication network interface 17 is connected with the network interface of the high-voltage box.

[0056] As shown in the figure, Figure 3 , 4 As shown in the figure, in order to realize the through-flow test of the high-voltage box, the through-flow test circuit 9 comprises a current source 91 and a fourth relay circuit 92 composed of a plurality of relays, the current source 91 is connected with the corresponding output end of the upper computer 2, the current source positive interface and the current source negative interface of the current source 91 are connected with the corresponding test interface of the high-voltage box through the fourth relay circuit 92, the control end of the fourth relay circuit 92 is also connected with the corresponding connection end of the PLC unit 5, and the BAT interface 13, the PCS interface 14, the 24V power supply interface 16 and the communication network interface 17 on the cabinet 1 are connected with the corresponding connection end of the fourth relay circuit 92 respectively.

[0057] As shown in the figure, Figure 3 , 4 As shown in the figure, in order to sample the 24V voltage of the high-voltage box, the test circuit further comprises a low-voltage sampling circuit, the low-voltage sampling circuit comprises a voltmeter 10, one end of the voltmeter 10 is connected with the upper computer 2, and the other end is connected with the 24V power supply interface of the high-voltage box.

[0058] The specific process of the test is as follows:

[0059] The high-voltage box is electrically connected with the test circuit in advance, specifically, the high-voltage box 100 itself has a BAT interface (positive and negative), a PCS interface (positive and negative), a multi-core phoenix terminal interface, a plurality of network interfaces and a 24V power supply interface, before testing, the high-voltage box BAT interface (positive and negative) and the PCS interface (positive and negative) are connected with the corresponding BAT interface 13 (positive and negative) and the PCS interface 14 (positive and negative) on the cabinet 1 respectively, the high-voltage voltage resistance interface 11 and the low-voltage voltage resistance interface 12 on the cabinet 1 are connected with the multi-core phoenix terminal interface and the network interface of the high-voltage box respectively,

[0060] The bar code on the high-voltage box 100 is scanned by the code scanning gun 32 and bound to the upper computer 2, which stores the test information and data of the corresponding high-voltage box. The data of the high-voltage box simulation test is input to the upper computer 2 through the keyboard 31, and the test process is controlled. The upper computer 2 controls the action of different test circuits through the PLC unit 5 to perform the test,

[0061] Insulation voltage test: The upper computer 2 controls the first relay circuit 62 to be closed through the PLC unit 5. The upper computer 2 controls the insulation and impedance test voltage output by the insulation tester 61 to meet the standard requirements. According to the standard, the insulation and voltage test of the high-voltage box is implemented. The insulation voltage test circuit 6 tests the PCS interface of the high-voltage box once, tests the network interface of the high-voltage box, and tests the multi-core phoenix terminal interface of the high-voltage box. The test results are displayed on the display screen 4,

[0062] Impedance test: The upper computer 2 controls the second relay circuit 72 to be closed through the PLC unit 5. The impedance tester 71 tests the main positive circuit and the main negative circuit in the high-voltage box, and displays the test results on the display screen 4,

[0063] High-voltage sampling: The upper computer 2 controls the third relay circuit 62 to be closed through the PLC unit 5. The voltage source 81 provides high voltage to the high-voltage box, and the 24V power supply interface 16 provides 24V voltage to the high-voltage box, so that the high-voltage box starts and enters the working state. Communicate with the high-voltage box through the communication network interface 17 of the cabinet 1, read the voltage of the primary circuit inside the high-voltage box, and display the test results on the display screen 4,

[0064] Through-flow test: The upper computer 2 controls the fourth relay circuit 92 to be closed through the PLC unit 5. The current source 91 provides a large current to the high-voltage box, and the 24V power supply interface 16 provides 24V voltage to the high-voltage box, so that the high-voltage box starts and enters the working state. Communicate with the high-voltage box through the communication network interface 17 of the cabinet 1, read the current of the primary circuit inside the high-voltage box, and display the test results on the display screen 4,

[0065] Low-voltage sampling: The upper computer 2 reads the actual value of the 24V voltage output by the high-voltage box through the voltmeter 10, and displays the test results on the display screen 4,

[0066] After the test is completed, the test system in the upper computer 2 generates a test report and uploads it. All test harnesses are removed, and the test is completed.

[0067] By using the device, various project tests of the high-voltage box can be completed, the host computer can automatically record data, generate a test report and upload the system, the drawbacks of the high-voltage box in the prior art are overcome, the test personnel need not directly contact the high-voltage box and the test equipment, and dangerous live working is avoided, and the high-voltage box need not be carried back and forth, different test experiments can be realized, and the problems of low efficiency, low safety factor of personnel and high overall test cost caused by the back-and-forth carrying of the energy storage high-voltage box in the prior art are solved.

[0068] Based on the above ideal embodiments of the utility model, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. An automatic testing device for energy storage high-voltage box, characterized in that: The cabinet (1) and the upper computer (2), input device (3), display screen (4), PLC unit (5) and test circuit integrated in the cabinet (1), The input device (3) is electrically connected with the high voltage box and the corresponding input end of the upper computer (2), the display screen (4) and the PLC unit (5) are respectively electrically connected with the corresponding output end of the upper computer (2), and the display screen (4) is used for displaying the test data of the high voltage box, The test circuit comprises: The insulation withstand voltage test circuit (6), the plurality of input ends of the insulation withstand voltage test circuit (6) are connected with the corresponding output end of the upper computer (2) and the corresponding connection end of the PLC unit (5), and the output end is connected with the corresponding test interface of the high voltage box, which is used for the insulation withstand voltage test of the high voltage box, The impedance test circuit (7), the plurality of input ends of the impedance test circuit (7) are connected with the corresponding output end of the upper computer (2) and the corresponding connection end of the PLC unit (5), and the output end is connected with the corresponding test interface of the high voltage box, which is used for the impedance test of the high voltage box, The high voltage sampling circuit (8), the plurality of input ends of the high voltage sampling circuit (8) are connected with the corresponding output end of the upper computer (2) and the corresponding connection end of the PLC unit (5), and the output end is connected with the corresponding test interface of the high voltage box, which is used for the high voltage sampling test of the high voltage box, The through flow test circuit (9), the plurality of input ends of the through flow test circuit (9) are connected with the corresponding output end of the upper computer (2) and the corresponding connection end of the PLC unit (5), and the output end is connected with the corresponding test interface of the high voltage box, which is used for the through flow test of the high voltage box.

2. The automatic test device for energy storage high-voltage box according to claim 1, characterized in that: The input device (3) comprises a keyboard (31) and a code scanning gun (32), the output end of the keyboard (31) is electrically connected with the corresponding input end of the upper computer (2), which is used for inputting the data of the high voltage box simulation test, the output end of the code scanning gun (32) is electrically connected with the corresponding input end of the upper computer (2), which is used for scanning the high voltage box bar code binding to the upper computer, and the upper computer (2) stores the test information and test data of the high voltage box.

3. The automatic test device of the energy storage high voltage tank according to claim 1, characterized in that: The insulation withstand voltage test circuit (6) comprises a withstand voltage instrument (61) and a first relay circuit (62) composed of a plurality of relays, the input end of the withstand voltage instrument (61) is connected with the corresponding output end of the upper computer (2), the high voltage output port and the low voltage output port of the withstand voltage instrument (61) are connected with the corresponding test interface of the high voltage box through the first relay circuit (62), and the control end of the first relay circuit (62) is also connected with the corresponding connection end of the PLC unit (5).

4. The automatic test device for energy storage high-voltage box according to claim 3, characterized in that: The back of the cabinet (1) is provided with a high-voltage pressure interface (11), a low-voltage pressure interface (12), a BAT interface (13) and a PCS interface (14), which are respectively connected with the corresponding connection end of the first relay circuit (62), and the high-voltage pressure interface (11) is connected with the multi-core phoenix terminal of the high-voltage box, the low-voltage pressure interface (12) is connected with the network port of the high-voltage box, the BAT interface (13) is connected with the BAT interface of the high-voltage box, and the PCS interface (14) is connected with the PCS interface of the high-voltage box.

5. The automatic test device for energy storage high voltage tank according to claim 1, characterized in that: The impedance test circuit (7) comprises an impedance meter (71) and a second relay circuit (72) composed of several relays, the input end of the impedance meter (71) is connected with the corresponding output end of the upper computer (2), the positive interface and the negative interface of the impedance meter (71) are connected with the corresponding test interface of the high-voltage box through the second relay circuit (72), and the control end of the second relay circuit (72) is also connected with the corresponding connection end of the PLC unit (5).

6. The automatic test device for energy storage high-voltage box according to claim 5, characterized in that: The back of the cabinet (1) is provided with a BAT interface (13) and a PCS interface (14), the BAT interface (13) is connected with the corresponding connection end of the second relay circuit (72), and the BAT interface (13) is also connected with the BAT interface of the high-voltage box through the test wire harness, and the PCS interface (14) is connected with the corresponding connection end of the second relay circuit (72), and the PCS interface (14) is also connected with the PCS interface of the high-voltage box through the test wire harness.

7. The automatic test device of the energy storage high voltage tank according to claim 1, characterized in that: The high-voltage sampling circuit (8) comprises a voltage source (81) and a third relay circuit (82) composed of several relays, the voltage source (81) is connected with the corresponding output end of the upper computer (2), the voltage source positive interface and the power negative interface of the voltage source (81) are connected with the corresponding test interface of the high-voltage box through the third relay circuit (82), and the control end of the third relay circuit (82) is also connected with the corresponding connection end of the PLC unit (5).

8. The automatic test device for energy storage high-voltage box according to claim 7, characterized in that: The back of the cabinet (1) is provided with a BAT interface (13), a PCS interface (14), a 24V power supply interface (16) and a communication network port (17), the BAT interface (13), the PCS interface (14), the 24V power supply interface (16) and the communication network port (17) are respectively connected with the corresponding connection end of the third relay circuit (82), and the BAT interface (13) is connected with the BAT interface of the high-voltage box, the PCS interface (14) is connected with the PCS interface of the high-voltage box, the 24V power supply interface (16) is connected with the 24V power supply interface of the high-voltage box, and the communication network port (17) is connected with the network port of the high-voltage box.

9. The automatic test device of the energy storage high voltage tank according to claim 1, characterized in that: The through-flow test circuit (9) comprises a current source (91) and a fourth relay circuit (92) composed of several relays, the current source (91) is connected with the output end corresponding to the upper computer (2), the current source positive interface and the current source negative interface of the current source (91) are both connected with the test interface corresponding to the high-voltage box through the fourth relay circuit (92), and the control end of the fourth relay circuit (92) is also connected with the corresponding connection end of the PLC unit (5).

10. The automatic test device of the energy storage high voltage tank according to claim 1, characterized in that: The test circuit further comprises a low-voltage sampling circuit, and the low-voltage sampling circuit comprises a voltmeter (10), one end of the voltmeter (10) is connected with the upper computer (2), and the other end is connected with the 24V power supply interface of the high-voltage box.

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