Device for detecting and optimizing service life of solid hydrogen storage system

Abstract

A solid hydrogen storage system life detection and optimization device disclosed by the present invention comprises a supporting platform, the interior of the supporting platform is rotatably connected with a rotating rod, the outer side of the rotating rod is in transmission connection with a conveyor belt, and the top of the supporting platform is fixedly connected with an environmental box and a radiation chamber. A dehumidifier and a heater are fixedly connected to one side of the interior of the environmental box, a refrigerator is fixedly connected to the other side of the interior of the environmental box, and a temperature and humidity sensor is fixedly connected to the adjacent side of the interior of the environmental box. A third-dimension life detection result can be obtained in a shorter time, and a vibration motor is started to shake the hydrogen storage system, so that the pulverized part of the hydrogen absorption material in the circulation process is uniformly distributed again, stress concentration is avoided, and the circulation service life of the solid hydrogen storage system is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of solid-state hydrogen storage, and in particular to a device for detecting and optimizing the life of a solid-state hydrogen storage system. Background Art

[0002] Solid-state hydrogen storage technology stores hydrogen through solid materials, has high safety and energy density, and is used in fields such as hydrogen vehicles and fuel cells. Its development includes diversified materials (such as metal hydrides, chemical hydrides and nanomaterials), improving hydrogen storage density and reversibility, reducing temperature and pressure requirements, and expanding application areas. However, there are still some technical deficiencies: insufficient hydrogen storage density, which is difficult to meet the needs of actual applications; slow hydrogen absorption and desorption, especially under room temperature conditions; harsh working conditions, requiring high temperature and high pressure operation; poor cycle stability, performance degradation after repeated use; high cost, complex and expensive material preparation; thermal management problems, heat management during hydrogen absorption and desorption increases system complexity, future development directions include improving material hydrogen storage density and stability, optimizing hydrogen storage conditions, reducing costs and improving safety, and promoting its commercial application. In order to promote the commercialization of solid-state hydrogen storage systems, the most important issue to be solved is the life detection of solid-state hydrogen storage systems.

[0003] Solid hydrogen storage life detection technology has made significant progress, and the main methods include hydrogen absorption and release cycle testing, structural analysis, electrochemical detection, thermal analysis and in-situ detection. Its development has improved the ability to predict the life of hydrogen storage materials, but there are still shortcomings, such as the lack of standardized detection methods, long testing time, difficulty in analyzing microscopic mechanisms, expensive detection equipment, and imperfect life prediction models. Summary of the invention

[0004] The purpose of the present invention is to provide a device for life detection and optimization of a solid-state hydrogen storage system to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for life detection and optimization of a solid-state hydrogen storage system, comprising a support platform, wherein a rotating rod is rotatably connected inside the support platform, a conveyor belt is transmission-connected to the outside of the rotating rod, an environmental box and a radiation chamber are fixedly connected to the top of the support platform, a dehumidifier and a heater are fixedly connected to one side of the environmental box, a refrigerator is fixedly connected to the other side of the environmental box, a temperature and humidity sensor is fixedly connected to the adjacent side of the environmental box, a fixed hydrogen storage container is arranged on one side of the support platform, a hydrogen absorption tube and a hydrogen discharge tube are fixedly connected to the top of the fixed hydrogen storage container, and the outsides of the hydrogen absorption tube and the hydrogen discharge tube are fixedly connected to the outside of the hydrogen absorption tube and the hydrogen discharge tube. Both are fixedly connected with a pressure pump, the outer sides of the hydrogen absorption pipe and the hydrogen release pipe are fixedly connected with a flow meter, a hydrogen storage system is arranged on the top of the conveyor belt, a stress strain sensor is fixedly connected to the bottom of the hydrogen storage system, a connecting pipe is symmetrically fixedly connected to the top of the hydrogen storage system, a semi-ball valve is rotatably connected inside the connecting pipe, one end of the top of the support platform is fixedly connected to a support frame, a cylinder is fixedly connected to the top of the support frame, an output end of the cylinder is fixedly connected to a sliding frame, a third motor is fixedly connected inside the sliding frame, a bidirectional screw is fixedly connected to the output end of the third motor, a clamping plate is symmetrically threadedly connected to the outer side of the bidirectional screw, and a vibration motor is fixedly connected to one side of the clamping plate.

[0006] Preferably, one end of the rotating rod is fixedly connected to the output end of the first motor, and the outer side of the rotating rod is transmission-connected with a transmission chain.

[0007] Preferably, the environmental box and the radiation chamber are symmetrically provided with box doors, the box doors are rotatably connected to the environmental box and the radiation chamber respectively through hinges, and the environmental box is symmetrically fixedly connected with sealing gaskets.

[0008] Preferably, a pressure gauge is fixedly connected to the top of the booster pump, the pressure gauge and the hydrogen absorption pipe are fixedly connected, and the pressure gauge and the hydrogen release pipe are fixedly connected.

[0009] Preferably, a fan is fixedly connected to the upper end of the interior of the environmental chamber.

[0010] Preferably, a controller is fixedly connected to the top of the hydrogen storage system, and a hydrogen storage cavity and a heat exchange channel are respectively provided inside the hydrogen storage system.

[0011] Preferably, a rotating shaft is fixedly connected to one side of the hemispherical valve, one end of the rotating shaft is fixedly connected to the output end of the second motor, and the second motor is fixedly connected to the hydrogen storage system via a fixing plate.

[0012] Preferably, a control panel is fixedly connected to one side of the radiation chamber.

[0013] Preferably, the bidirectional screw and the sliding frame are rotationally connected.

[0014] Preferably, a suction cup is fixedly connected to the other side of the clamping plate.

[0015] The present invention has at least the following beneficial effects:

[0016] 1. When the present invention is in use, the conveyor belt is innovatively used to detect the life of the solid hydrogen storage system in an assembly line. The hydrogen cycle test can be realized by equipping multiple groups on both sides of the assembly line, and the solid gas storage system can flow into the assembly line at a regular time, so as to obtain a material dimension life detection result in a short time.

[0017] 2. The present invention realizes the second aspect of the tank life detection result by setting a stress-strain sensor to detect the stress-strain condition of the hydrogen storage system during the cycle.

[0018] 3. The present invention sets up a radiation chamber and uses X-ray diffraction to detect the microstructure of the material, directly detecting the pulverization state of the hydrogen absorbing material after multiple cycles, and can obtain the third-dimensional life test results in a shorter time.

[0019] 4. The present invention sets a vibration motor. First, the cylinder pushes the sliding frame downward, and then starts the third motor to drive the bidirectional screw to rotate, so as to realize the movement of the clamping plate toward the hydrogen storage system, and the suction cup contacts the surface of the hydrogen storage system to clamp and fix the hydrogen storage system. Then, the vibration motor is started to shake the hydrogen storage system, so that the powdered part of the hydrogen absorbing material is evenly distributed again during the circulation process, thereby avoiding stress concentration and extending the cycle service life of the solid hydrogen storage system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the axonometric structure of one side of the present invention;

[0021] Figure 2 It is a schematic diagram of the axonometric structure of the other side of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the rotating rod of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the environmental chamber of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the hydrogen storage system of the present invention;

[0025] Figure 6 This is a schematic diagram of the connecting pipe structure of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the electric heating element of the present invention;

[0027] Figure 8 This is a schematic diagram of the structure of the hemispherical valve of the present invention;

[0028] Fig. 9 This is a schematic diagram of the support structure of the present invention;

[0029] Fig.10 It is a schematic diagram of the structure of the vibration motor of the present invention.

[0030] In the figure: supporting platform 1, rotating rod 2, first motor 3, transmission chain 4, conveyor belt 5, environmental box 6, radiation chamber 7, box door 8, hinge 9, sealing pad 10, dehumidifier 11, heater 12, refrigerator 13, temperature and humidity sensor 14, fixed hydrogen storage container 15, hydrogen absorption tube 16, hydrogen discharge tube 17, booster pump 18, pressure gauge 19, flow meter 20, fan 21, hydrogen storage system 22, stress strain sensor 23, controller 24, hydrogen storage cavity 25, heat exchange channel 26, suction cup 27, connecting pipe 28, hemispherical valve 29, second motor 30, rotating shaft 31, fixed plate 32, control panel 33, supporting frame 34, cylinder 35, sliding frame 36, third motor 37, bidirectional screw 38, clamping plate 39, vibration motor 40. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-10

[0033] Embodiment 1

[0034] A device for life detection and optimization of a solid-state hydrogen storage system comprises a support platform 1, wherein a rotating rod 2 is rotatably connected inside the support platform 1, a conveyor belt 5 is transmission-connected to the outside of the rotating rod 2, an environmental box 6 and a radiation chamber 7 are fixedly connected to the top of the support platform 1, a dehumidifier 11 and a heater 12 are fixedly connected to one side of the environmental box 6, a refrigerator 13 is fixedly connected to the other side of the environmental box 6, a temperature and humidity sensor 14 is fixedly connected to the adjacent side of the environmental box 6, a fixed hydrogen storage container 15 is arranged on one side of the support platform 1, a hydrogen absorption pipe 16 and a hydrogen discharge pipe 17 are fixedly connected to the top of the fixed hydrogen storage container 15, a pressurizing pump 18 is fixedly connected to the outside of the hydrogen absorption pipe 16 and the hydrogen discharge pipe 17, and the hydrogen absorption pipe 11 is fixedly connected to the outside of the hydrogen absorption pipe 16 and the hydrogen discharge pipe 17. 6 and the outside of the hydrogen discharge pipe 17 are fixedly connected with a flow meter 20, a hydrogen storage system 22 is arranged on the top of the conveyor belt 5, a stress strain sensor 23 is fixedly connected to the bottom of the hydrogen storage system 22, a connecting pipe 28 is symmetrically fixedly connected to the top of the hydrogen storage system 22, and a semi-ball valve 29 is rotatably connected inside the connecting pipe 28, a support frame 34 is fixedly connected to one end of the top of the support platform 1, a cylinder 35 is fixedly connected to the top of the support frame 34, a sliding frame 36 is fixedly connected to the output end of the cylinder 35, a third motor 37 is fixedly connected to the inside of the sliding frame 36, a bidirectional screw 38 is fixedly connected to the output end of the third motor 37, a clamping plate 39 is symmetrically threadedly connected to the outside of the bidirectional screw 38, and a vibration motor 40 is fixedly connected to one side of the clamping plate 39;

[0035] Specific implementation process: first, the hydrogen storage system 22 is placed on the top of the conveyor belt 5, and then the first motor 3 is controlled to start through the control panel 33, and then the rotating rod 2 moves, thereby driving the conveyor belt 5 and the hydrogen storage system 22 to move. When the hydrogen storage system 22 moves to the inside of the environmental box 6, the box door 8 is closed, and the temperature and humidity sensor 14 detects the temperature and humidity inside the environmental box 6. The dehumidifier 11, the heater 12, the refrigerator 13 and the fan 21 ensure the constant temperature and humidity environment inside the environmental box 6. The connecting pipe 28 on the top of the hydrogen storage system 22 is connected to the hydrogen absorption pipe 1 respectively. 6 is connected to the hydrogen discharge pipe 17, and the pressure pump 18 accelerates the circulation process and shortens the circulation time together; the pressure gauge 19 and the flow meter 20 monitor the pipeline pressure and flow, and the stress strain sensor 23 detects the stress strain of the volume of the hydrogen storage system 22 and the life of the tank of the hydrogen storage system 22 during the circulation process. It can also control the start and stop of the second motor 30 to rotate the hemispherical valve 29, adjust the internal flow channel of the connecting pipe 28, adjust the hydrogen flow environment, and avoid excessively high or low hydrogen pressure from having a negative impact on the material life;

[0036] After the cycle, the hydrogen storage system 22 enters the radiation chamber 7 via the assembly line support platform 1, and the degree of pulverization of the hydrogen absorbing material filled in the hydrogen storage system 22 is detected. After the detection in the radiation chamber 7, it enters the support frame 34. First, the cylinder 35 pushes the sliding frame 36 to move downward, and then the third motor 37 is started to drive the bidirectional screw 38 to rotate, so that the clamping plate 39 moves toward the hydrogen storage system 22, and the suction cup 41 contacts the surface of the hydrogen storage system 22 to clamp and fix the hydrogen storage system 22. Then the vibration motor 40 is started to shake the hydrogen storage system 22, so that the pulverized part of the hydrogen absorbing material during the cycle is evenly distributed again, avoiding stress concentration, extending the cycle service life of the solid hydrogen storage system, and redistributing the internal pulverized and accumulated hydrogen absorbing material evenly to optimize the hydrogen absorption performance.

[0037] Embodiment 2

[0038] Based on the first embodiment: one end of a rotating rod 2 is fixedly connected to the output end of the first motor 3, the outer side of the rotating rod 2 is connected to the transmission chain 4, the environmental box 6 and the radiation chamber 7 are symmetrically provided with box doors 8, the box doors 8 are rotatably connected to the environmental box 6 and the radiation chamber 7 through hinges 9, and the environmental box 6 is symmetrically fixed with a sealing gasket 10;

[0039] The first motor 3 is controlled to start, and then the rotating rod 2 moves. The transmission chain 4 drives the multiple rotating rods 2 to rotate, and then drives the conveyor belt 5 to transmit, so as to realize the automatic movement of the hydrogen storage system 22 and improve the detection efficiency. The rotating box door 8 is opened and closed to facilitate the hydrogen storage system 22 to enter the environmental box 6 and the radiation chamber 7. During the detection process, the box door 8 and the sealing gasket 10 are convenient for improving the internal environment of the environmental box 6 and the radiation chamber 7, and reducing the influence of the outside world on the detection effect.

[0040] Embodiment 3

[0041] Based on the first embodiment: a pressure gauge 19 is fixedly connected to the top of the pressure pump 18, the pressure gauge 19 is fixedly connected to the hydrogen absorption pipe 16, the pressure gauge 19 is fixedly connected to the hydrogen release pipe 17, and a fan 21 is fixedly connected to the upper end of the environment box 6;

[0042] The pressure gauge 19 detects the pipeline pressure of the hydrogen absorption pipe 16 and the hydrogen release pipe 17, and the fan 21 improves the internal environment of the environmental box 6.

[0043] Embodiment 4

[0044] Based on the first embodiment: the top of the hydrogen storage system 22 is fixedly connected to a controller 24, the hydrogen storage system 22 is provided with a hydrogen storage cavity 25 and a heat exchange channel 26, one side of the semi-ball valve 29 is fixedly connected to a rotating shaft 31, one end of the rotating shaft 31 is fixedly connected to the output end of the second motor 30, and the second motor 30 is fixedly connected to the hydrogen storage system 22 through a fixing plate 32;

[0045] The controller 24 can control the heat exchange channel 26 to heat the hydrogen storage cavity 25, control the temperature of the hydrogen storage material, and make the material always work in the optimal temperature range. By controlling the start and stop of the second motor 30, the hemispherical valve 29 is rotated, the internal flow channel of the connecting pipe 28 is adjusted, and the hydrogen flow environment is adjusted to avoid excessively high or low hydrogen pressure from having a negative impact on the material life.

[0046] Embodiment 5

[0047] Based on the first embodiment: a control panel 33 is fixedly connected to one side of the radiation chamber 7, a bidirectional screw 38 and a sliding frame 36 are rotatably connected, and a suction cup 27 is fixedly connected to the other side of the clamping plate 39;

[0048] The control panel 33 controls the orderly operation of the entire detection device. The third motor 37 drives the bidirectional screw 38 to rotate, so that the clamping plate 39 moves toward the hydrogen storage system 22, and the suction cup 27 contacts the surface of the hydrogen storage system 22 to clamp and fix the hydrogen storage system 22. Then, the vibration motor 40 is started to shake the hydrogen storage system 22, so that the powdered part of the hydrogen absorption material during the circulation process is evenly distributed again, avoiding stress concentration, extending the cycle service life of the solid hydrogen storage system, and redistributing the internal powdered and accumulated hydrogen absorption material evenly to optimize the hydrogen absorption performance.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for life detection and optimization of a solid-state hydrogen storage system, comprising a support platform (1), characterized in that: The support platform (1) is rotatably connected to a rotating rod (2) inside, and a conveyor belt (5) is transmission-connected to the outside of the rotating rod (2). The top of the support platform (1) is respectively fixedly connected to an environmental box (6) and a radiation chamber (7). A dehumidifier (11) and a heater (12) are respectively fixedly connected to one side of the environmental box (6). A refrigerator (13) is fixedly connected to the other side of the environmental box (6). A temperature and humidity sensor (14) is fixedly connected to the adjacent side of the environmental box (6). A fixed hydrogen storage container (15) is provided on one side of the support platform (1). A hydrogen absorption pipe (16) and a hydrogen discharge pipe (17) are respectively fixedly connected to the top of the fixed hydrogen storage container (15). The outsides of the hydrogen absorption pipe (16) and the hydrogen discharge pipe (17) are both fixedly connected to a pressure pump (18). The outsides of the hydrogen absorption pipe (16) and the hydrogen discharge pipe (17) are both fixedly connected to A flow meter (20) is provided, a hydrogen storage system (22) is arranged on the top of the conveyor belt (5), a stress strain sensor (23) is fixedly connected to the bottom of the hydrogen storage system (22), a connecting pipe (28) is symmetrically fixedly connected to the top of the hydrogen storage system (22), a semi-ball valve (29) is rotatably connected inside the connecting pipe (28), one end of the top of the support platform (1) is fixedly connected to a support frame (34), a cylinder (35) is fixedly connected to the top of the support frame (34), an output end of the cylinder (35) is fixedly connected to a sliding frame (36), a third motor (37) is fixedly connected inside the sliding frame (36), an output end of the third motor (37) is fixedly connected to a bidirectional screw (38), an outer side of the bidirectional screw (38) is symmetrically threadedly connected to a clamping plate (39), and a vibration motor (40) is fixedly connected to one side of the clamping plate (39).

2. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: One end of the rotating rod (2) is fixedly connected to the output end of the first motor (3), and the outer side of the rotating rod (2) is transmission-connected with a transmission chain (4).

3. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: The environmental box (6) and the radiation chamber (7) are both symmetrically provided with box doors (8), and the box doors (8) are rotatably connected to the environmental box (6) and the radiation chamber (7) respectively through hinges (9). The environmental box (6) is symmetrically fixedly connected with a sealing gasket (10).

4. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: A pressure gauge (19) is fixedly connected to the top of the pressure pump (18); the pressure gauge (19) and the hydrogen absorption pipe (16) are fixedly connected; and the pressure gauge (19) and the hydrogen discharge pipe (17) are fixedly connected.

5. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: A fan (21) is fixedly connected to the upper end of the interior of the environmental box (6).

6. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: A controller (24) is fixedly connected to the top of the hydrogen storage system (22), and a hydrogen storage cavity (25) and a heat exchange channel (26) are respectively arranged inside the hydrogen storage system (22).

7. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: A rotating shaft (31) is fixedly connected to one side of the hemispherical valve (29), and one end of the rotating shaft (31) is fixedly connected to the output end of the second motor (30). The second motor (30) is fixedly connected to the hydrogen storage system (22) via a fixing plate (32).

8. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: A control panel (33) is fixedly connected to one side of the radiation chamber (7).

9. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: The bidirectional screw (38) and the sliding frame (36) are rotationally connected.

10. The device for life detection and optimization of a solid-state hydrogen storage system according to claim 1, characterized in that: The other side of the clamping plate (39) is fixedly connected with a suction cup (27).

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