Hydrogen fuel cell testing device

Abstract

The utility model provides a hydrogen fuel cell testing device, which comprises a testing cabin body, a cabin door arranged at the front end of the testing cabin body, a detection device arranged at the top end of the testing cabin body, a bottom plate arranged at the bottom end of the testing cabin body, a placing plate movably arranged at the bottom of the testing cabin body, and a hydrogen fuel cell arranged at the top end of the placing plate, two mounting plates are fixedly mounted on the upper portion of the inner wall of the right side of the test cabin, a temperature control device and a protection plate are mounted between the two mounting plates, a water storage box is arranged in the center of the bottom of the rear end of the test cabin, a controller is arranged at the right end of the test cabin, and a connecting wire is arranged at the left end of the detection device. The hydrogen fuel cell testing device not only can test the operation conditions of the hydrogen fuel cell at different temperatures, but also can test the waterproof performance of the hydrogen fuel cell, is wider in application range, can create an oxygen-free testing environment, can prevent the hydrogen fuel cell from burning and generating open fire in the testing process, and is more environment-friendly. And the test safety can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of battery testing devices, and more specifically, to a hydrogen fuel cell testing device. Background Technique

[0002] A hydrogen fuel cell is a power generation device that directly converts the chemical energy of hydrogen and oxygen into electrical energy. After the production and processing of a hydrogen fuel cell, its performance needs to be detected. The performance detection of the battery can measure parameters such as voltage and current through special detection equipment. However, when the battery is actually used in life, different working environments will also lead to different working effects of the battery. Among them, the temperature has the greatest impact on the battery. The working effects of the battery in different temperature environments will have huge differences. Testing the battery at different temperatures is very valuable for reference.

[0003] Regarding the above problems, for the technical problem that the existing testing device cannot test the hydrogen fuel cell at different temperatures, after a large number of retrievals, a hydrogen fuel cell testing device with a patent number of CN216900840U, a testing chamber and a hydrogen fuel cell, is found. There are two guide rails inside the testing chamber. A tray is movably sleeved between the two guide rails. The hydrogen fuel cell is placed above the tray. A detection device and a fixed base are fixedly installed on the top of the testing chamber, and a temperature controller is fixedly installed on the back of the testing chamber. A temperature control device is arranged inside the testing chamber, and the temperature control device is electrically connected to the temperature controller. However, the technical solution provided by this patent still has the following problems:

[0004] (1) The waterproof performance of the hydrogen fuel cell is also an important index of the overall performance of the hydrogen fuel cell, but this testing device cannot test the waterproof performance of the hydrogen fuel cell;

[0005] (2) During the testing process of the hydrogen fuel cell at different temperatures, the hydrogen fuel cell may catch fire spontaneously at a higher temperature, and the protection performance of this testing device is poor, and it is extremely easy to cause danger during the testing process, resulting in property losses and even casualties. Content of the Utility Model

[0006] The purpose of the utility model is to solve the technical problems put forward in the above background technique, and provide a hydrogen fuel cell testing device, which can test the hydrogen fuel cell at different temperatures, can also test the waterproof performance of the hydrogen fuel cell, and can ensure the safety of the testing process.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A hydrogen fuel cell test device, comprising: a test chamber, a hatch is provided at the front end of the test chamber, a detection device is provided at the top end of the test chamber, a bottom plate is installed at the bottom end of the test chamber, a placement plate is movably installed at the bottom of the test chamber, a hydrogen fuel cell is placed on the top end of the placement plate, two mounting plates are fixedly installed on the upper part of the inner wall on the right side of the test chamber, a temperature control device and a protection plate are installed between the two mounting plates, a water storage box is provided at the center of the bottom end at the rear of the test chamber, a water delivery pipe is connected to the top end of the water storage box, a nozzle is installed at the tail end of the water delivery pipe, bearing plates are provided on the left and right sides at the bottom end at the rear of the test chamber, an air storage tank is provided at the top end of the bearing plate, a valve is provided at the top end of the air storage tank, an air delivery pipe is connected to the top end of the valve, a jet pipe is provided at the tail end of the air delivery pipe, a controller is provided at the right end of the test chamber, and a connection line is provided at the left end of the detection device.

[0008] Further preferred solution: Sliding grooves are provided at the bottom of the inner walls on the left and right sides of the test chamber, the placement plate is movably installed in the sliding grooves, at the same time, a drain pipe that penetrates through the front and rear is opened at the bottom of the inner wall at the rear of the test chamber, and the drain pipe is connected to the water storage box, and an exhaust valve is also provided at the bottom left of the test chamber.

[0009] Further preferred solution: A number of vertically penetrating rectangular leakage holes are provided on the placement plate, and at the same time, a number of rectangular protrusions are also provided at the top end of the placement plate.

[0010] Further preferred solution: A stop block is provided at the front end of the bottom plate, and the top end face of the bottom plate is inclined backward.

[0011] Further preferred solution: The mounting plates are arranged in an "L" shape, and mounting grooves are provided on the left side of the opposite sides of the two mounting plates, and the protection plate is installed in the mounting sliding grooves.

[0012] Further preferred solution: One end of the connection line is connected to the detection device, the other end penetrates into the test chamber from the top end of the test chamber, at the same time, a connection head is provided at the tail end of the connection line, the connection line is connected to the hydrogen fuel cell through the connection head, and a flame-retardant wire sleeve is sleeved outside the connection line.

[0013] Further preferred solution: Both the air delivery pipe and the water delivery pipe penetrate into the interior of the test chamber from the upper part at the rear of the test chamber;

[0014] A small pressurized water pump is provided in the water storage box, and a water inlet is provided at the rear end of the water storage box, and the gas stored in the air storage tank is carbon dioxide gas.

[0015] Further preferred solution: An observation window is provided at the center of the hatch, and the glass used for the observation window is anti-fog glass.

[0016] Beneficial effects:

[0017] 1. By providing a gas storage tank storing carbon dioxide gas, a valve, a gas pipeline, and a jet pipe, before the hydrogen fuel cell test, the valve can be opened through a controller, enabling the carbon dioxide gas in the gas storage tank to enter the test chamber 1, discharging the air in the test chamber through the exhaust valve on the left side at the bottom of the test chamber, creating an oxygen-free test environment, preventing the hydrogen fuel cell from burning and generating open flames during the test, and enhancing test safety;

[0018] 2. By providing a water storage box with a pressurizing water pump inside, a water pipeline, and a nozzle, the pressurizing water pump in the water storage box can be started through the controller 4, enabling the water in the water storage box to flow through the water pipeline to the nozzle and then be sprayed onto the surface of the hydrogen fuel cell by the nozzle for a waterproof test of the hydrogen fuel cell, expanding the application range of this hydrogen fuel cell test device;

[0019] 3. In summary, this hydrogen fuel cell test device can not only test the operating conditions of the hydrogen fuel cell at different temperatures, but also test the waterproof performance of the hydrogen fuel cell, with a wider application range. Moreover, it can create an oxygen-free test environment, prevent the hydrogen fuel cell from burning and generating open flames during the test, and ensure the safety of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0021] Figure 2 It is a schematic diagram of the internal structure of the present utility model.

[0022] Figure 3 It is a schematic diagram of the back structure of the present utility model.

[0023] Figure 4 It is a schematic diagram of the placement plate structure of the present utility model.

[0024] Figure 5 It is a schematic diagram of the bottom plate structure of the present utility model.

[0025] Figure 6 is Figure 2 the enlarged view at A in

[0026] Figures 1-6 In the figure: 1. Test chamber; 2. Chamber door; 201. Observation window; 3. Detection device; 301. Connection line; 4. Controller; 5. Bottom plate; 6. Placement plate; 7. Jet pipe; 701. Gas pipeline; 702. Valve; 703. Gas storage tank; 704. Bearing plate; 8. Nozzle; 801. Water pipeline; 802. Water storage box; 9. Hydrogen fuel cell; 10. Temperature control device; 11. Mounting plate; 12. Protection plate. Detailed implementation mode

[0027] Next, in combination with the attached drawings in the embodiments of the present utility model Figures 1-6 , the technical solutions in the embodiments of the present utility model will be clearly and completely described.

[0028] Please refer to Figures 1-6 , in the embodiments of the present utility model, a hydrogen fuel cell test device includes: a test chamber 1, a hatch 2 is provided at the front end of the test chamber 1, a detection device 3 is provided at the top end of the test chamber 1, a bottom plate 5 is installed at the bottom end of the test chamber 1, a placement plate 6 is movably installed at the bottom of the test chamber 1, a hydrogen fuel cell 9 is placed on the top end of the placement plate 6, two mounting plates 11 are fixedly installed on the upper part of the right inner wall of the test chamber 1, a temperature control device 10 and a protective plate 12 are installed between the two mounting plates 11, a water storage box 802 is provided at the center of the bottom end of the rear end of the test chamber 1, a water delivery pipe 801 is connected to the top end of the water storage box 802, a nozzle 8 is installed at the tail end of the water delivery pipe 801, bearing plates 704 are provided on the left and right sides of the bottom end of the rear end of the test chamber 1, a gas storage tank 703 is provided at the top end of the bearing plate 704, a valve 702 is provided at the top end of the gas storage tank 703, a gas delivery pipe 701 is connected to the top end of the valve 702, a gas injection pipe 7 is provided at the tail end of the gas delivery pipe 701, a controller 4 is provided at the right end of the test chamber 1, and a connection line 301 is provided at the left end of the detection device 3; when testing the hydrogen fuel cell 9, first place the hydrogen fuel cell 9 on the placement plate 6, then connect the connection line 301 to the hydrogen fuel cell 9, after closing the hatch 2, open the valve 702 through the controller 4, so that the carbon dioxide gas in the gas storage tank 703 enters the test chamber 1 and the air in the test chamber 1 is discharged through the exhaust valve on the left side of the bottom of the test chamber 1, and then start the temperature control device 10 through the controller 4 to adjust the temperature in the test chamber 1 to test the working parameters of the hydrogen fuel cell 9 at different temperatures, or start the pressurizing water pump in the water storage box 802 through the controller 4, so that the water in the water storage box 802 flows through the water delivery pipe 801 to the nozzle 8, and then is sprayed by the nozzle 8 and sprinkled on the surface of the hydrogen fuel cell 9 to conduct a waterproof test on the hydrogen fuel cell 9.

[0029] In the embodiments of the present utility model, chutes are provided at the bottom of the left and right inner walls of the test chamber 1, the placement plate 6 is movably installed in the chutes, at the same time, a drain pipe that penetrates through the front and back is opened at the bottom of the rear inner wall of the test chamber 1, and the drain pipe is connected to the water storage box 802. After the waterproof test of the hydrogen fuel cell 9, the excess water will flow back into the water storage box 802 through the drain pipe for reuse. An exhaust valve is also provided at the bottom left of the test chamber 1, and the air in the test chamber 1 can be discharged through the exhaust valve.

[0030] In the embodiment of the present utility model, a plurality of vertically penetrating rectangular leakage holes are provided on the placement plate 6. When performing the waterproof performance test of the hydrogen fuel cell, the excess water sprayed by the nozzle 8 can leak down through the leakage holes. At the same time, a plurality of rectangular protrusions are provided at the top end of the placement plate 6, which can lift the hydrogen fuel cell 9 to prevent the hydrogen fuel cell 9 from pressing and blocking the leakage holes, resulting in the accumulation of excess water on the placement plate 6.

[0031] In the embodiment of the present utility model, a stop block is provided at the front end of the bottom plate 5 to prevent the excess water from flowing towards the hatch 2. The top end face of the bottom plate 5 is inclined backward. After the excess water leaks down from the leakage holes on the placement plate 6, it will flow along the inclined top end face of the bottom plate 5 towards the drain pipe at the bottom of the test chamber 1, and finally enter the water storage box 802 for recycling.

[0032] In the embodiment of the present utility model, the mounting plate 11 is arranged in an "L" shape, and mounting grooves are provided on the left side of the opposite sides of the two mounting plates 11. The protective plate 12 is installed in the mounting chute. The protective plate 12 can prevent the nozzle 8 from spraying water onto the temperature control device 10 when performing the waterproof test of the hydrogen fuel cell 9.

[0033] In the embodiment of the present utility model, one end of the connecting wire 301 is connected to the detection device 3, and the other end penetrates through the top end of the test chamber 1 and enters the test chamber 1. At the same time, a connection head is provided at the tail end of the connecting wire 301. The connecting wire 301 is connected to the hydrogen fuel cell 9 through the connection head, and a flame-retardant wire sleeve is sleeved outside the connecting wire 301, which can prevent the connecting wire 301 from being ignited due to an accidental fire of the hydrogen fuel cell 9 during the test.

[0034] In the embodiment of the present utility model, both the gas delivery pipe 701 and the water delivery pipe 801 penetrate into the test chamber 1 from the upper part of the rear end of the test chamber 1;

[0035] A pressurized water pump is provided in the water storage box 802, and a water inlet is provided at the rear end of the water storage box 802. The gas stored in the gas storage tank 703 is carbon dioxide gas. When performing the waterproof test of the hydrogen fuel cell, the pressurized water pump in the water storage box 802 can pressurize the water in the water storage box 802, so that it flows through the water delivery pipe 801 to the nozzle 8, and then is sprayed by the nozzle 8 onto the surface of the hydrogen fuel cell 9 to perform the waterproof test on the hydrogen fuel cell 9;

[0036] Before performing the hydrogen fuel cell test, the valve 702 at the top of the gas storage tank 703 is opened, and the carbon dioxide gas in the gas storage tank 703 is sprayed into the test chamber 1 through the gas spray pipe 7. The air in the test chamber 1 is discharged through the exhaust valve on the left side of the bottom of the test chamber 1 to create an oxygen-free environment in the test chamber 1, preventing the hydrogen fuel cell 9 from burning and generating open flames, and increasing the test safety.

[0037] In the embodiment of the present utility model, an observation window 201 is provided at the center of the hatch 2. The glass used for the observation window 201 is anti-fog glass, which can prevent water mist from adhering to the observation window 201 during the waterproof test of the hydrogen fuel cell, so as to avoid the inability to directly observe the operation of the hydrogen fuel cell 9.

Claims

1. A hydrogen fuel cell testing device, comprising: A test cabin (1), characterized in that: a cabin door (2) is arranged at the front end of the test cabin (1), a detection device (3) is arranged at the top of the test cabin (1), a bottom plate (5) is installed at the bottom end of the test cabin (1), a placement plate (6) is movably installed at the bottom of the test cabin (1), a hydrogen fuel cell (9) is placed on the top of the placement plate (6), two installation plates (11) are fixedly installed on the upper part of the right inner wall of the test cabin (1), a temperature control device (10) and a protective plate (12) are installed between the two installation plates (11), a water storage box (802) is arranged at the bottom center of the rear end of the test cabin (1), and the The top of the water storage box (802) is connected to a water pipe (801), and a nozzle (8) is installed at the tail end of the water pipe (801). The left and right sides of the bottom of the rear end of the test cabin (1) are provided with a bearing plate (704), and a gas storage tank (703) is provided at the top of the bearing plate (704). A valve (702) is provided at the top of the gas storage tank (703). The top of the valve (702) is connected to an air pipe (701), and an air jet pipe (7) is provided at the tail end of the air pipe (701). A controller (4) is provided at the right end of the test cabin (1), and a connecting line (301) is provided at the left end of the detection device (3).

2. A hydrogen fuel cell testing device according to claim 1, characterized in that: The bottom of the inner walls on the left and right sides of the test chamber (1) are provided with slide grooves, and the placement plate (6) is movably installed in the slide grooves. At the same time, a drainage pipe that runs through the front and back is opened at the bottom of the inner wall on the rear side of the test chamber (1), and the drainage pipe is connected to the water storage box (802). An exhaust valve is also provided at the bottom of the left side of the test chamber (1).

3. A hydrogen fuel cell testing device according to claim 1, characterized in that: The placement plate (6) is provided with a plurality of rectangular leak holes which penetrate vertically, and a plurality of rectangular protrusions are also provided at the top of the placement plate (6).

4. A hydrogen fuel cell testing device according to claim 1, characterized in that: A stopper is arranged at the front end of the bottom plate (5), and the top end surface of the bottom plate (5) is arranged to be inclined backward.

5. A hydrogen fuel cell testing device according to claim 1, characterized in that: The mounting plate (11) is arranged in an "L" shape, and mounting grooves are arranged on the left sides of the two opposite sides of the mounting plates (11), and the protective plate (12) is installed in the mounting grooves.

6. A hydrogen fuel cell testing device according to claim 1, characterized in that: One end of the connecting wire (301) is connected to the detection device (3), and the other end passes through the top of the test chamber (1) and enters the test chamber (1). A connecting head is provided at the tail end of the connecting wire (301), and the connecting wire (301) is connected to the hydrogen fuel cell (9) via the connecting head. The connecting wire (301) is also provided with a flame-retardant wire sheath on the outside.

7. A hydrogen fuel cell testing device according to claim 1, characterized in that: The air delivery pipe (701) and the water delivery pipe (801) both penetrate from the upper rear end of the test cabin (1) and enter the interior of the test cabin (1); A small pressure water pump is arranged in the water storage box (802), and a water inlet is arranged at the rear end of the water storage box (802). The gas stored in the gas storage tank (703) is carbon dioxide gas.

8. A hydrogen fuel cell testing device according to claim 1, characterized in that: An observation window (201) is arranged at the center of the cabin door (2), and the glass used for the observation window (201) is anti-fog glass.

Images