A test system and working method of a power grid peak-shaving energy storage device

Abstract

The present invention discloses a test system and a working method of a power grid peak-shaving energy storage device, which belongs to the field of energy storage battery systems, and includes a test box, a test bench, an electronic load, a water cooler, a shock wave transmitter, an impact test device, a puncture test device, and an extrusion test device, etc. The test bench is arranged in the test box for placing energy storage batteries; a thermal imager and an infrared monitoring probe are both installed above the test bench for monitoring energy storage batteries; a gas meter is installed at the top of the test box, a blower, a nitrogen tank, and a compressor are all arranged outside the test box and are connected to the inside of the test box, and a temperature regulator is installed at the bottom of the test box; the electronic load, the water cooler, the shock wave transmitter, the impact test device, the puncture test device, and the extrusion test device are used to test the energy storage battery. The test system has a certain degree of comprehensiveness and can perform puncture, vibration, impact, and other tests.

Description

Technical Field

[0001] The present invention belongs to the field of energy storage battery systems, and more specifically, relates to a test system for a power grid peak-shaving energy storage device and a working method thereof. Background Art

[0002] As the scale of energy storage power stations in the East China Power Grid gradually increases, the safety issues of energy storage battery devices are becoming increasingly prominent. The energy storage battery device system integrates electricity, mechanics, and heat, and has a complex structure. Its safety is not easy to detect and evaluate. So far, vibration testing is one of the most effective methods to detect product structure, function, and durability.

[0003] Vibration-related tests are broadly referred to as vibration tests, which mainly analyze the structural damage, performance failure and system instability of energy storage batteries. Currently, there is a lack of unified vibration test methods and standards for energy storage batteries. The present invention proposes an energy storage battery vibration test system to test and evaluate the safety of energy storage batteries. Summary of the invention

[0004] The purpose of the present invention is to fill the gap in the prior art and provide a test system for a power grid peak-shaving energy storage device and a working method thereof.

[0005] The technical solution adopted by the present invention to solve the above-mentioned problem is: a test system for a power grid peak-shaving energy storage device, characterized in that it includes a test box, a thermal imager, a gas meter, an infrared monitoring probe, a test bench, an electronic load, a water cooler, a temperature regulator, a shock wave transmitter, a blower, a nitrogen tank, a compressor, an impact test device, a puncture test device and an extrusion test device; the test bench is arranged in the test box, and the test bench is used to place energy storage batteries; the thermal imager and the infrared monitoring probe are both installed above the test bench for monitoring the energy storage batteries; the gas meter is installed at the top of the test box, the blower, the nitrogen tank and the compressor are all arranged outside the test box and are connected to the inside of the test box, and the temperature regulator is installed at the bottom of the test box; the electronic load, the water cooler, the shock wave transmitter, the impact test device, the puncture test device and the extrusion test device interact with the energy storage battery when in use, and are used to test the energy storage battery.

[0006] Furthermore, the thermal imager, gas measuring instrument and infrared monitoring probe are all connected to the monitoring and control equipment.

[0007] Furthermore, the electronic load is connected to two poles of the energy storage battery through line one and line two, and is used to perform a charge and discharge test on the energy storage battery. Ammeters are installed on line one and line two.

[0008] Furthermore, a water temperature regulator is installed on the water cooler, and the water cooler is connected to the energy storage battery through water pipe 1 and water pipe 2, which is used to perform a heat exchange test on the energy storage battery, and a flow controller is installed on water pipe 2.

[0009] Furthermore, the shock wave transmitter is installed at the bottom of the test bench and is used to perform shock tests on the energy storage battery.

[0010] Furthermore, the impact test device includes a test hammer, a bracket, a horizontal slide rail for the test hammer, a test hammer control device and a vertical slide rail for the test hammer. The horizontal slide rail for the test hammer is slidably connected to the vertical slide rail for the test hammer, and the horizontal slide rail for the test hammer is connected to the test hammer control device. The test hammer is installed on the bracket, and the bracket is slidably installed on the horizontal slide rail for the test hammer.

[0011] Furthermore, the acupuncture test device includes a probe, a probe horizontal slide rail, a base, a probe telescopic rod, a probe vertical slide rail and a probe control device, the probe horizontal slide rail and the probe vertical slide rail are slidably connected, and the probe horizontal slide rail is connected to the probe control device, the probe is installed on the base, the base is connected to the probe telescopic rod, and the probe telescopic rod is movably installed on the probe horizontal slide rail.

[0012] Furthermore, the extrusion test device includes a fixed seat, a telescopic rod, a clamp, a lower clamp, an upper clamp and bolts, the telescopic rod is connected to the fixed seat, the clamp is installed at the end of the telescopic rod, the lower clamp is fixedly installed at the bottom of the clamp, the upper clamp is slidably installed in the middle of the clamp and is located above the lower clamp, and the upper clamp and the lower clamp are fixed by bolts.

[0013] Furthermore, a valve 2 is installed in front of the blower, a blower and a valve 1 are installed in front of the nitrogen tank, an air flow controller and an air valve are installed in front of the compressor, and a nitrogen extraction valve and a ventilation valve are connected to the test box.

[0014] The working method of the test system of the power grid peak-shaving energy storage device is characterized in that the process is as follows: before the test, first open valve 1, start the air blower to fill nitrogen into the test box, and start the blower to diffuse the gas. At the same time, open the ventilation valve on the upper part of the test box to discharge the air. The gas measuring instrument installed in the test box analyzes the nitrogen concentration; start the thermal imager and the infrared monitoring probe to monitor the heat of the energy storage battery to form a thermal imaging map. A temperature sensor is installed on the surface of the energy storage battery to monitor its temperature change, and the temperature data is transmitted to the monitoring and control equipment. The temperature regulator installed in the test box maintains the temperature stability;

[0015] During the puncture test, the probe horizontal slide rail is controlled by the probe control device to move up and down in the probe vertical slide rail, so that the probe telescopic rod punctures the energy storage battery, and the puncture depth of the energy storage battery is gradually adjusted. The internal temperature and heat of the energy storage battery at different puncture depths are analyzed by the thermal imager, and a thermal imaging map is formed;

[0016] During the impact test, the test hammer control device controls the horizontal slide rail of the test hammer to move on the vertical slide rail of the test hammer to adjust the position of the test hammer. After the bracket rises to a certain height, it falls down to hammer the energy storage battery. The internal temperature and heat of the energy storage battery are analyzed by the thermal imager to form a thermal imaging map;

[0017] During the extrusion test, the energy storage battery is installed in the fixture and placed on the test bench, where the lower clamp is fixed. The upper clamp is adjusted according to the size and thickness of the energy storage battery to clamp the energy storage battery, the telescopic rod is adjusted, and then the energy storage battery is fixed with bolts. The telescopic rod is controlled to continuously extend to squeeze the energy storage battery. A pressure sensor is installed on the surface of the energy storage battery to transmit data to the monitoring and control equipment in real time;

[0018] During the vibration shock test, the shock wave transmitter at the bottom of the test bench is started to emit shock waves, applying shocks of different amplitudes and frequencies. The pressure sensor and temperature sensor on the surface of the energy storage battery transmit the pressure and temperature to the monitoring and control equipment in real time;

[0019] During the charge and discharge test, the energy storage battery is subjected to fast charge and discharge tests through an electronic loader. The temperature sensor on the surface of the energy storage battery transmits data to the monitoring and control equipment to study the temperature changes on the surface of the energy storage battery. In addition, during the charge and discharge test, the electronic loader can set different charging and discharging currents to conduct tests to study the temperature changes of the energy storage battery.

[0020] During the heat exchange test, start the water cooler, adjust different water temperatures through the water temperature regulator, and adjust the flow through the flow controller to study the heat exchange of the energy storage battery; after completing the test, start the compressor, open the air valve and nitrogen exhaust valve, and perform gas replacement. When the gas purity reaches the appropriate value, open the test box and take out the energy storage battery.

[0021] Compared with the prior art, the present invention has the following advantages and effects: the present invention has a certain degree of comprehensiveness; the test box is a place for conducting energy storage battery tests, and can conduct tests such as puncture, vibration, and impact; the charge and discharge test mainly studies the charge and discharge characteristics of the battery, providing important technical support for qualitative and quantitative analysis of the safety of energy storage batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the test system of the power grid peak load storage device.

[0023] Figure 2 It is a structural schematic diagram of the extrusion test device.

[0024] Figure 3 It is a structural schematic diagram of the impact test device.

[0025] Figure 4 It is a schematic diagram of the structure of the acupuncture test device.

[0026] In the figure: test box 1, thermal imager 2, test bench 3, energy storage battery 4, electronic load 5, monitoring and control equipment 6, water cooler 7, water temperature regulator 8, temperature regulator 9, shock wave transmitter 10, blower 11, valve 2 12, nitrogen tank 13, compressor 14, test hammer 15, probe 16,

[0027] Gas measuring instrument 2-1, infrared monitoring probe 2-2,

[0028] Line 1 5-1, Ammeter 5-2, Line 2 5-3,

[0029] Water pipe 1 7-1, water pipe 2 7-2, flow controller 7-3,

[0030] Valve 13-1, air blower 13-2, nitrogen extraction valve 13-3,

[0031] Air flow controller 14-1, air valve 14-2, ventilation valve 14-3,

[0032] Bracket 15-1, horizontal slide rail of test hammer 15-2, control device of test hammer 15-3, vertical slide rail of test hammer 15-4,

[0033] Probe horizontal slide rail 16-1, base 16-2, probe telescopic rod 16-3, probe vertical slide rail 16-4, probe control device 16-5,

[0034] Fixed seat 17-1, telescopic rod 17-2, clamp 17-3, lower clamping plate 17-4, upper clamping plate 17-5, bolt 17-6. DETAILED DESCRIPTION

[0035] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0036] See also Figures 1 to 4In this embodiment, a test system for a power grid peak-shaving energy storage device includes a test box 1, a thermal imager 2, a gas meter 2-1, an infrared monitoring probe 2-2, a test bench 3, an electronic load 5, a water cooler 7, a temperature regulator 9, a shock wave transmitter 10, a blower 11, a nitrogen tank 13, a compressor 14, an impact test device, a puncture test device and an extrusion test device.

[0037] A test bench 3 is arranged in the test box 1, and the test bench 3 is used to place the energy storage battery 4; the thermal imager 2 and the infrared monitoring probe 2-2 are both installed above the test bench 3, and are used to monitor the energy storage battery 4; the gas meter 2-1 is installed on the inner top of the test box 1, the blower 11, the nitrogen tank 13 and the compressor 14 are all arranged outside the test box 1 and are connected to the interior of the test box 1, and the temperature regulator 9 is installed at the inner bottom of the test box 1; the electronic load 5, the water cooler 7, the shock wave transmitter 10, the impact test device, the puncture test device and the extrusion test device interact with the energy storage battery 4 when in use, and are used to test the energy storage battery 4.

[0038] The thermal imager 2 , the gas measuring instrument 2 - 1 and the infrared monitoring probe 2 - 2 are all connected to the monitoring and control device 6 .

[0039] The electronic load 5 is connected to the two electrodes of the energy storage battery 4 through the line 1 5-1 and the line 2 5-3, and is used to perform a charge and discharge test on the energy storage battery 4. An ammeter 5-2 is installed on the line 1 5-1 and the line 2 5-3.

[0040] A water temperature regulator 8 is installed on the water cooler 7, and the water cooler 7 is connected to the energy storage battery 4 through water pipe 1 7-1 and water pipe 2 7-2 for performing a heat exchange test on the energy storage battery 4. A flow controller 7-3 is installed on water pipe 2 7-2.

[0041] The shock wave transmitter 10 is installed at the bottom of the test bench 3 and is used to perform a shock test on the energy storage battery 4 .

[0042] The impact test device includes a test hammer 15, a bracket 15-1, a test hammer horizontal slide rail 15-2, a test hammer control device 15-3 and a test hammer vertical slide rail 15-4. The test hammer horizontal slide rail 15-2 is slidably connected to the test hammer vertical slide rail 15-4, and the test hammer horizontal slide rail 15-2 is connected to the test hammer control device 15-3. The test hammer 15 is installed on the bracket 15-1, and the bracket 15-1 is slidably installed on the test hammer horizontal slide rail 15-2.

[0043] The acupuncture test device includes a probe 16, a probe horizontal slide rail 16-1, a base 16-2, a probe telescopic rod 16-3, a probe vertical slide rail 16-4 and a probe control device 16-5. The probe horizontal slide rail 16-1 and the probe vertical slide rail 16-4 are slidably connected, and the probe horizontal slide rail 16-1 is connected to the probe control device 16-5. The probe 16 is installed on the base 16-2, the base 16-2 is connected to the probe telescopic rod 16-3, and the probe telescopic rod 16-3 is movably installed on the probe horizontal slide rail 16-1.

[0044] The extrusion test device includes a fixed seat 17-1, a telescopic rod 17-2, a clamp 17-3, a lower clamp 17-4, an upper clamp 17-5 and a bolt 17-6. The telescopic rod 17-2 is connected to the fixed seat 17-1, the clamp 17-3 is installed at the end of the telescopic rod 17-2, the lower clamp 17-4 is fixedly installed at the bottom of the clamp 17-3, the upper clamp 17-5 is slidably installed in the middle of the clamp 17-3 and is located above the lower clamp 17-4, and the upper clamp 17-5 and the lower clamp 17-4 are fixed by bolts 17-6.

[0045] A valve 2 12 is installed in front of the blower 11, a blower 13-2 and a valve 1 13-1 are installed in front of the nitrogen tank 13, an air flow controller 14-1 and an air valve 14-2 are installed in front of the compressor 14, and a nitrogen extraction valve 13-3 and a ventilation valve 14-3 are connected to the test box 1.

[0046] The working method is as follows: before the test, first open valve 13-1, start the air blower 13-2 to fill nitrogen into the test box 1, and start the blower 11 to diffuse the gas. At the same time, open the ventilation valve 14-3 on the upper part of the test box 1 to exhaust the air. The gas measuring instrument 2-1 installed in the test box 1 analyzes the nitrogen concentration; start the thermal imager 2 and the infrared monitoring probe 2-2 to monitor the heat of the energy storage battery 4 to form a thermal imaging map. A temperature sensor is installed on the surface of the energy storage battery 4 to monitor its temperature change and transmit the temperature data to the monitoring and control device 6. A vibration sensor is installed on the test bench 3 to transmit the vibration data to the monitoring and control device 6. The temperature regulator 9 installed in the test box 1 maintains the temperature stability;

[0047] During the puncture test, the probe horizontal slide rail 16-1 is controlled by the probe control device 16-5 to move up and down in the probe vertical slide rail 16-4, so that the probe telescopic rod 16-3 punctures the energy storage battery 4, and the puncture depth of the energy storage battery 4 is gradually adjusted. The internal temperature and heat of the energy storage battery 4 at different puncture depths are analyzed by the thermal imager 2, and a thermal imaging map is formed;

[0048] During the impact test, the test hammer control device 15-3 is used to control the test hammer horizontal slide rail 15-2 to move on the test hammer vertical slide rail 15-4 to adjust the position of the test hammer 15. After the bracket 15-1 rises to a height, it falls to hammer the energy storage battery 4. The internal temperature and heat of the energy storage battery 4 are analyzed by the thermal imager 2 to form a thermal imaging map. Among them, test hammers 15 of different masses can be installed on the bracket 15-1, and a pressure sensor is installed at the front end of the test hammer 15 to measure the impact force.

[0049] During the extrusion test, the energy storage battery 4 is installed in the fixture 17-3 and placed on the test bench 3, wherein the lower clamping plate 17-4 is already fixed, and the upper clamping plate 17-5 is adjusted according to the size and thickness of the energy storage battery 4 to clamp the energy storage battery 4, and the telescopic rod 17-2 is adjusted, and then the energy storage battery 4 is fixed with the bolt 17-6, and the telescopic rod 17-2 is controlled to continuously extend to squeeze the energy storage battery 4, and a pressure sensor is installed on the surface of the energy storage battery 4 to transmit data to the monitoring and control device 6 in real time;

[0050] During the vibration shock test, the shock wave transmitter 10 at the bottom of the test bench 3 is started to emit shock waves, applying shocks of different amplitudes and frequencies, and the pressure sensor and temperature sensor on the surface of the energy storage battery 4 transmit the pressure and temperature to the monitoring and control device 6 in real time;

[0051] During the charge and discharge test, the energy storage battery 4 is subjected to a fast charge and discharge test through the electronic load 5, and the temperature sensor on the surface of the energy storage battery 4 transmits data to the monitoring and control device 6 to study the temperature change on the surface of the energy storage battery 4; in addition, during the charge and discharge test, the electronic load 5 can set different sizes of charging current and discharging current to conduct the test to study the temperature change of the energy storage battery 4.

[0052] During the heat exchange test, start the water cooler 7, adjust different water temperatures through the water temperature regulator 8, and adjust the flow through the flow controller 7-3 to study the heat exchange of the energy storage battery 4; after completing the test, start the compressor 14, open the air valve 14-2 and the nitrogen exhaust valve 13-3, perform gas replacement, and when the gas purity reaches a suitable value, open the test box 1 and take out the energy storage battery 4.

[0053] In this embodiment, the monitoring and control equipment 6, the test hammer control device 15-3, the probe control device 16-5 and various sensors are all existing products. The puncture test device, the impact test device and the extrusion test device can be connected to existing control devices such as computers to operate the actions.

[0054] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0055] Although the present invention has been disclosed as above by way of embodiments, it is not intended to limit the protection scope of the present invention. Any changes and modifications made by any technician familiar with the technology without departing from the concept and scope of the present invention should fall within the protection scope of the present invention.

Claims

1. A test system for a power grid peak load storage device, characterized in that: The invention comprises a test box (1), a thermal imager (2), a gas measuring instrument (2-1), an infrared monitoring probe (2-2), a test bench (3), an electronic load device (5), a water cooler (7), a temperature regulator (9), a shock wave transmitter (10), a blower (11), a nitrogen tank (13), a compressor (14), an impact test device, a puncture test device and an extrusion test device; the test bench (3) is arranged in the test box (1), and the test bench (3) is used to place an energy storage battery (4); the thermal imager (2) and the infrared monitoring probe (2-2) are both installed on the test bench (3). The test box (1) is used to monitor the energy storage battery (4); the gas measuring instrument (2-1) is installed on the top of the interior of the test box (1); the blower (11), the nitrogen tank (13) and the compressor (14) are all arranged outside the test box (1) and are connected to the interior of the test box (1); the temperature regulator (9) is installed on the bottom of the interior of the test box (1); the electronic load (5), the water cooler (7), the shock wave transmitter (10), the impact test device, the needle puncture test device and the extrusion test device interact with the energy storage battery (4) when in use, and are used to test the energy storage battery (4); The impact test device comprises a test hammer (15), a bracket (15-1), a test hammer horizontal slide rail (15-2), a test hammer control device (15-3) and a test hammer vertical slide rail (15-4); the test hammer horizontal slide rail (15-2) is slidably connected to the test hammer vertical slide rail (15-4), and the test hammer horizontal slide rail (15-2) is connected to the test hammer control device (15-3); the test hammer (15) is mounted on the bracket (15-1), and the bracket (15-1) is slidably mounted on the test hammer horizontal slide rail (15-2); The needle puncture test device comprises a probe (16), a probe horizontal slide rail (16-1), a base (16-2), a probe telescopic rod (16-3), a probe vertical slide rail (16-4) and a probe control device (16-5); the probe horizontal slide rail (16-1) and the probe vertical slide rail (16-4) are slidably connected, and the probe horizontal slide rail (16-1) is connected to the probe control device (16-5); the probe (16) is mounted on the base (16-2), the base (16-2) is connected to the probe telescopic rod (16-3), and the probe telescopic rod (16-3) is movably mounted on the probe horizontal slide rail (16-1); The extrusion test device comprises a fixed seat (17-1), a telescopic rod (17-2), a clamp (17-3), a lower clamp (17-4), an upper clamp (17-5) and a bolt (17-6); the telescopic rod (17-2) is connected to the fixed seat (17-1); the clamp (17-3) is installed at the end of the telescopic rod (17-2); the lower clamp (17-4) is fixedly installed at the bottom of the clamp (17-3); the upper clamp (17-5) is slidably installed in the middle of the clamp (17-3) and is located above the lower clamp (17-4); and the upper clamp (17-5) and the lower clamp (17-4) are fixed by bolts (17-6).

2. The test system of the power grid peak load storage device according to claim 1 is characterized in that: The thermal imager (2), the gas measuring instrument (2-1) and the infrared monitoring probe (2-2) are all connected to the monitoring control device (6).

3. The test system of the power grid peak load storage device according to claim 1 is characterized in that: The electronic load (5) is connected to the two poles of the energy storage battery (4) via line one (5-1) and line two (5-3) and is used to perform a charge and discharge test on the energy storage battery (4). Ammeters (5-2) are installed on line one (5-1) and line two (5-3).

4. The test system of the power grid peak load storage device according to claim 1 is characterized in that: The water cooler (7) is equipped with a water temperature regulator (8), and the water cooler (7) is connected to the energy storage battery (4) via a water pipe 1 (7-1) and a water pipe 2 (7-2) for performing a heat exchange test on the energy storage battery (4), and a flow controller (7-3) is installed on the water pipe 2 (7-2).

5. The test system of the power grid peak load storage device according to claim 1 is characterized in that: The shock wave transmitter (10) is installed at the bottom of the test bench (3) and is used to perform a shock test on the energy storage battery (4).

6. The test system of the power grid peak load storage device according to claim 1 is characterized in that: A second valve (12) is installed in front of the blower (11), a blower (13-2) and a first valve (13-1) are installed in front of the nitrogen tank (13), an air flow controller (14-1) and an air valve (14-2) are installed in front of the compressor (14), and a nitrogen extraction valve (13-3) and a ventilation valve (14-3) are connected to the test box (1).

7. A working method of a test system for a power grid peak load storage device according to any one of claims 1 to 6, characterized in that the process As follows: before the test, first open valve 1 (13-1), start the blower (13-2) to fill nitrogen into the test box (1), and at the same time start the blower (11) to diffuse the gas, and at the same time open the ventilation valve (14-3) on the upper part of the test box (1) to exhaust the air, and the gas measuring instrument (2-1) installed in the test box (1) analyzes the nitrogen concentration; start the thermal imager (2) and the infrared monitoring probe (2-2) to monitor the heat of the energy storage battery (4) to form a thermal imaging spectrum, and install a temperature sensor on the surface of the energy storage battery (4) to monitor its temperature change, and transmit the temperature data to the monitoring and control device (6), and the temperature regulator (9) installed in the test box (1) maintains the temperature stable; During the puncture test, the probe horizontal slide rail (16-1) is controlled by the probe control device (16-5) to move up and down in the probe vertical slide rail (16-4), so that the probe telescopic rod (16-3) punctures the energy storage battery (4), and the puncture depth of the energy storage battery (4) is gradually adjusted. The internal temperature and heat of the energy storage battery (4) at different puncture depths are analyzed by the thermal imager (2), and a thermal imaging spectrum is formed; During the impact test, the test hammer control device (15-3) controls the test hammer horizontal slide rail (15-2) to move on the test hammer vertical slide rail (15-4) to adjust the position of the test hammer (15), and after the bracket (15-1) rises to a certain height, it falls to strike the energy storage battery (4), and the internal temperature and heat of the energy storage battery (4) are analyzed by the thermal imager (2) to form a thermal imaging spectrum; During the extrusion test, the energy storage battery (4) is installed in the fixture (17-3) and placed on the test bench (3), wherein the lower clamping plate (17-4) is fixed, the upper clamping plate (17-5) is adjusted according to the size and thickness of the energy storage battery (4) to clamp the energy storage battery (4), the telescopic rod (17-2) is adjusted, and then the energy storage battery (4) is fixed with a bolt (17-6), and the telescopic rod (17-2) is controlled to continuously extend to squeeze the energy storage battery (4), and a pressure sensor is installed on the surface of the energy storage battery (4) to transmit data to the monitoring and control device (6) in real time; During the vibration shock test, the shock wave transmitter (10) at the bottom of the test bench (3) is started to emit shock waves, applying shocks of different amplitudes and frequencies, and the pressure sensor and temperature sensor on the surface of the energy storage battery (4) transmit the pressure and temperature to the monitoring and control device (6) in real time; During the charge and discharge test, the energy storage battery (4) is subjected to a fast charge and discharge test through an electronic load device (5), and a temperature sensor on the surface of the energy storage battery (4) transmits data to a monitoring and control device (6) to study the temperature change on the surface of the energy storage battery (4); in addition, during the charge and discharge test, the electronic load device (5) can be set to different values ​​of charge current and discharge current to perform the test, so as to study the temperature change of the energy storage battery (4); During the heat exchange test, the water cooler (7) is started, different water temperatures are adjusted through the water temperature regulator (8), and the flow rate is adjusted through the flow controller (7-3) to study the heat exchange of the energy storage battery (4); after the test is completed, the compressor (14) is started, the air valve (14-2) and the nitrogen exhaust valve (13-3) are opened, and gas replacement is performed. When the gas purity reaches a suitable value, the test box (1) is opened and the energy storage battery (4) is taken out.

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