An activation and testing apparatus for solid state hydrogen storage modules

Abstract

The utility model relates to solid hydrogen storage alloy detection technical field, and disclose a kind of activation and testing device for solid hydrogen storage module, including PLC controller, venting device and hydrogen charging device of intercommunication, the PLC controller with the venting device and hydrogen charging device electric connection, main control valve is equipped between the venting device with the hydrogen charging device, the venting device includes pipeline one, the pipe body one side of pipeline one is equipped with several venting valves for connecting hydrogen storage module, by the main control valve of being set, the pipeline one of venting device and the pipeline two of hydrogen charging device are interconnected, and by the three-way valve of pipeline one other end, and the auxiliary control valve of pipeline two other end cooperate with main control valve, realize the series connection and separation between venting device and hydrogen charging device, so that when the hydrogen storage module of uniform specification is connected in venting device and hydrogen charging device, hydrogen charging and venting can be carried out respectively, hydrogen charging and venting can also be carried out together, to improve detection efficiency.

Description

Technical Field

[0001] This utility model relates to the field of solid hydrogen storage alloy testing technology, specifically to an activation and testing device for solid hydrogen storage modules. Background Technology

[0002] Hydrogen energy is a crucial component of the future energy system. Its use is an important pathway to achieving my country's "dual-carbon" goals. Solid-state hydrogen storage, as a safer method of hydrogen storage, has attracted widespread attention and is also an important approach to the development and utilization of hydrogen energy.

[0003] Solid-state hydrogen storage alloys can absorb large amounts of hydrogen under certain pressure and temperature to form metal hydrides, thereby achieving hydrogen storage. The metal hydrides decompose upon heating, forming the hydrogen storage alloy and hydrogen gas, thus releasing the hydrogen. Solid-state hydrogen storage offers advantages such as high volumetric hydrogen storage density, high stability during the storage process, good safety, and high flexibility. It also does not require stringent conditions such as high pressure and low temperature. Currently, the solid-state hydrogen energy storage devices used in demonstration applications primarily utilize metal hydrides. During the hydrogen absorption and release process, a large amount of heat is released or absorbed in a short time. If this heat cannot be removed / replenished in time, it will lead to a decrease in the device's hydrogen storage performance, such as reduced storage capacity and slower hydrogen supply rates.

[0004] Therefore, regular testing of solid-state hydrogen storage modules is necessary. Currently, existing testing methods for solid-state hydrogen storage modules are all performed independently on individual modules. As solid-state hydrogen storage technology matures, the efficiency of testing methods that can only test one module at a time no longer meets the requirements. To address this, we propose an activation and testing device for solid-state hydrogen storage modules. Utility Model Content

[0005] This invention provides an activation and testing device for solid-state hydrogen storage modules, which has the beneficial effects of solving the problems mentioned in the background art.

[0006] This utility model provides the following technical solution: an activation and testing device for a solid-state hydrogen storage module, comprising a PLC controller, an interconnected venting device and a hydrogen charging device, wherein the PLC controller is electrically connected to the venting device and the hydrogen charging device, a main control valve is provided between the venting device and the hydrogen charging device, the venting device includes a pipeline, a plurality of venting valves for connecting the hydrogen storage module are provided on one side of the pipeline, a three-way valve is provided at the end of the pipeline, the pipeline is connected through the three-way valve to a measuring pipeline for measuring gas pressure and flow rate and an venting pipeline for completely venting the hydrogen storage module, the end of the measuring pipeline is connected to an exhaust pipeline, the exhaust pipeline includes at least three discharge pipelines: a low-capacity measuring branch, a high-capacity measuring branch, and a pressure relief branch.

[0007] As an optional solution for the activation and testing device for a solid-state hydrogen storage module according to this utility model, the hydrogen charging device includes a second pipeline, the end of which is connected to a gas cylinder. An auxiliary control valve is provided on the second pipeline. Several hydrogen charging valves for connecting the hydrogen storage module are provided on the second pipeline between the auxiliary control valve and the main control valve. A flow meter is provided on the second pipeline between the gas cylinder and the auxiliary control valve. The flow meter is electrically connected to the PLC controller.

[0008] As an optional solution for the activation and testing device for a solid hydrogen storage module described in this utility model, a pressure reducing device is also provided on the second pipeline between the gas cylinder and the auxiliary control valve. The pressure reducing device consists of a primary pressure reducing valve and a secondary pressure reducing valve connected in sequence by the pipeline.

[0009] As an optional solution for the activation and testing device for a solid-state hydrogen storage module described in this utility model, the measuring tube consists of a pressure gauge and a flow meter connected in sequence by a pipeline, and the pressure gauge and the flow meter are electrically connected to the PLC controller.

[0010] As an optional solution for the activation and testing device for a solid-state hydrogen storage module described in this utility model, the venting pipe consists of a one-way valve and a vacuum pump connected in sequence by pipelines, and the vacuum pump is electrically connected to the PLC controller.

[0011] As an optional solution for the activation and testing device for a solid-state hydrogen storage module described in this utility model, the low-capacity measurement branch includes an exhaust pipe, and the exhaust pipe is provided with a back pressure valve for adjusting the flow area of ​​the exhaust pipe and a valve for controlling the closed state of the exhaust pipe.

[0012] As an optional solution for the activation and testing device for a solid-state hydrogen storage module described in this utility model, the high-capacity measurement branch includes an exhaust pipe II, on which a needle valve for adjusting the flow area of ​​the exhaust pipe II and a valve II for controlling the closed state of the exhaust pipe II are provided.

[0013] As an optional solution for the activation and testing device for a solid hydrogen storage module described in this utility model, the pressure relief branch includes an exhaust pipe three, and the exhaust pipe three is provided with a pressure relief valve for adjusting the closed state of the exhaust pipe three. The venting device discharges high-temperature and high-pressure gas flow from the exhaust pipe three through the pressure relief valve.

[0014] This utility model has the following beneficial effects:

[0015] 1. By setting a main control valve, the first pipeline of the venting device and the second pipeline of the hydrogen charging device are connected to each other. Through the three-way valve at the other end of the first pipeline and the auxiliary control valve at the other end of the second pipeline, the series connection and separation between the venting device and the hydrogen charging device can be realized. This allows the hydrogen storage module of the same specification to be connected to the venting device and the hydrogen charging device, so that hydrogen charging and venting can be performed separately or together without moving the hydrogen storage module, thereby improving the detection efficiency.

[0016] 2. The independent venting valve and hydrogen charging valve can switch between closed states after the hydrogen storage module is connected. When non-standard hydrogen storage modules are connected to the venting device and the hydrogen charging device, the hydrogen storage module can be charged and vented by adjusting the closed state of the independent venting valve and hydrogen charging valve, thereby improving the applicability of the detection equipment.

[0017] 3. By setting the primary pressure reducing valve 80 and the secondary pressure reducing valve 81, the gas flow in pipeline 2 can be slowed down and depressurized when the gas cylinder 200 is filled with hydrogen, thereby improving safety.

[0018] 4. By setting up a low-capacity measurement branch, a high-capacity measurement branch, and a pressure relief branch to form an exhaust pipeline, the detection device will not cause data distortion due to airflow and pressure during detection, enabling it to accurately detect data of hydrogen storage modules with different capacities.

[0019] 5. By setting up a pressure relief branch, a safety device is added at the exhaust point to avoid the problem of explosion caused by excessive pressure and temperature inside the venting device due to incorrect opening and closing of the valve body. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an activation and testing device for a solid-state hydrogen storage module according to the present invention;

[0021] Figure 2 This is a schematic diagram of the venting device and the hydrogen charging device in this utility model;

[0022] Figure 3 This is a schematic diagram of pipe one in this utility model;

[0023] Figure 4 This is a schematic diagram of pipe two in this utility model;

[0024] Figure 5 This is a schematic diagram of the exhaust pipe in this utility model;

[0025] Figure 6 This is a schematic diagram of the activation and testing device for a solid-state hydrogen storage module equipped with a temperature measuring device in this utility model.

[0026] In the diagram: 1. Venting device; 10. Pipeline 1; 11. Venting valve; 12. Measuring pipeline; 13. Exhaust pipeline; 120. Pressure gauge; 121. Flow meter 1; 130. Check valve; 131. Vacuum pump; 2. Hydrogen charging device; 20. Pipeline 2; 21. Hydrogen charging valve; 22. Flow meter 2; 200. Gas cylinder; 3. Main control valve; 4. Three-way valve; 5. Auxiliary control valve; 6. Exhaust pipeline; 61. Low-capacity measuring branch; 62. High-capacity measuring branch; 63. Pressure relief branch; 610. Exhaust pipe 1; 611. Back pressure valve; 612. Valve 1; 620. Exhaust pipe 2; 621. Needle valve; 622. Valve 2; 630. Exhaust pipe 3; 631. Pressure relief valve; 7. PLC controller; 8. Pressure reducing device; 80. Primary pressure reducing valve; 81. Secondary pressure reducing valve. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figures 1-6 As shown, an activation and testing device for a solid-state hydrogen storage module includes a venting device 1 and a hydrogen charging device 2 connected to each other. A main control valve 3 is provided between the venting device 1 and the hydrogen charging device 2. The venting device 1 includes a first pipe 10, and the hydrogen charging device 2 includes a second pipe 20. The first pipe 10 and the second pipe 20 are connected by the main control valve 3. The main control valve 3 can control the closed state between the first pipe 10 and the second pipe 20, thereby connecting and separating the first pipe 10 and the second pipe 20.

[0029] A three-way valve 4 is installed at the end of pipe 10. Several vent valves 11 for connecting to hydrogen storage modules are installed on one side of pipe 10. Pipe 10 is connected to a measuring pipe 12 for measuring gas pressure and flow rate and an venting pipe 13 for completely venting the hydrogen storage module through the three-way valve 4. Venting device 1 is connected to the measuring pipe 12 and the venting pipe 13 through the three-way valve 4 respectively. When a hydrogen storage module is installed on the vent valve 11, the gas inside the hydrogen storage module can be processed according to the two needs of venting or detection. When detection is required, the three-way valve 4 connects pipe 10 to the measuring pipe 12. When rapid venting of the hydrogen storage module is required, the three-way valve 4 connects pipe 10 to the venting pipe 13.

[0030] An auxiliary control valve 5 is installed on the second pipeline 20. A gas cylinder 200 is connected to the end of the second pipeline 20. Several hydrogen charging valves 21 for connecting hydrogen storage modules are installed on the second pipeline 20 between the auxiliary control valve 5 and the main control valve 3. When the auxiliary control valve 5 is opened, the gas in the gas cylinder 200 enters the hydrogen storage module connected to the hydrogen charging valve 21 through the second pipeline 20 to complete the hydrogen charging operation.

[0031] It should be noted that a pressure reducing device 8 is also provided on pipeline 20 between gas cylinder 200 and auxiliary control valve 5. The pressure reducing device 8 consists of a primary pressure reducing valve 80 and a secondary pressure reducing valve 81 connected in sequence by the pipeline. This allows pipeline 20 to slow down and reduce the pressure of the gas flow discharged from gas cylinder 200 through the primary pressure reducing valve 80 and the secondary pressure reducing valve 81. In addition, a filter is installed on pipeline 10 on one side of the main control valve 3 and near the three-way valve 4. This filter can filter the gas flow during venting and testing, thereby preventing alloy material impurities in the module from clogging the venting device 1.

[0032] The working principle of this implementation is as follows: The activation and testing device for this solid hydrogen storage module is divided into two parts: a venting device 1 and a hydrogen charging device 2. Pipeline 10 in the venting device 1 and pipe 20 in the hydrogen charging device 2 are connected to each other through a main control valve 3, so that this activation and testing device for solid hydrogen storage modules can charge, vent, and test the hydrogen storage module.

[0033] During hydrogen filling, the auxiliary control valve 5 is opened, and the gas cylinder 200 is connected to the hydrogen filling valve 21 through the second pipeline 20. At this time, the hydrogen filling valve 21 is opened, which can fill the hydrogen storage module installed on the hydrogen filling valve 21. Moreover, by adjusting the three-way valve 4, the first pipeline 10 is not connected to the measuring pipeline 12 or the venting pipeline 13. The first pipeline 10 is connected to the second pipeline 20 through the main control valve 3, so that the gas cylinder 200 can fill the venting valve 11 and the hydrogen filling valve 21 with hydrogen at the same time.

[0034] During testing, the three-way valve 4 connects pipe 10 to the measuring pipe 12. The hydrogen storage module connected to the vent valve 11 allows its internal gas to enter the measuring pipe 12 sequentially through the vent valve 11 and pipe 10. At this time, the auxiliary control valve 5 can be closed to connect the hydrogen charging valve 21 on pipe 20 to pipe 10, so that the gas in the hydrogen charging valve 21 and the hydrogen storage module connected to the vent valve 11 can enter the measuring pipe 12 simultaneously. The steps for using the rapid venting hydrogen storage module are the same as the steps for testing it. The difference is that pipe 10 is connected to the venting pipe 13 through the three-way valve 4, and the measuring pipe 12 is in a closed state at this time.

[0035] Therefore, compared with existing solutions, this embodiment can perform batch hydrogen filling, venting and overall testing of hydrogen storage modules with uniform specifications. When dealing with hydrogen storage modules of different specifications, the venting valve 11 and the hydrogen filling valve 21 can be used to independently perform corresponding hydrogen filling, venting and testing.

[0036] refer to Figures 1-4 A flow meter 22 is installed on pipeline 20 between gas cylinder 200 and auxiliary control valve 5. The flow meter 22 is used to detect the total amount of hydrogen emitted from gas cylinder 200.

[0037] refer to Figure 1 The measuring pipeline 12 consists of a pressure gauge 120 and a flow meter 121 connected in sequence. The pressure gauge 120 can measure the air pressure in real time when the air flows through the measuring pipeline 12 and convert the pressure data into an electrical signal to be transmitted to the PLC controller 7. The flow meter 121 can measure the gas flow rate of the gas discharged from the hydrogen storage module when the air flows through the measuring pipeline 12. In addition, the auxiliary control valve 5 can be adjusted according to the inlet flow rate of the flow meter 121 and the data detected by the temperature measuring device to reduce the temperature increment during hydrogen filling, so that the module is filled in a safe state.

[0038] refer to Figures 1-4 The venting pipeline 13 consists of a one-way valve 130 and a vacuum pump 131 connected in sequence. When the three-way valve 4 connects the pipeline 10 to the venting pipeline 13, the vacuum pump 131 draws gas from the hydrogen storage module through the pipeline 10, thereby venting the hydrogen storage module. The one-way valve 130 can effectively prevent gas backflow, thereby preventing external gas from flowing into the hydrogen storage module.

[0039] refer to Figures 1-5 The end of the measuring pipe 12 is connected to an exhaust pipe 6. The exhaust pipe 6 includes at least three exhaust pipes: a low-capacity measuring branch 61, a high-capacity measuring branch 62, and a pressure relief branch 63. During measurement, since the capacity of hydrogen storage modules on the market varies, in order to avoid the problem that the gas flow rate of large and small capacity modules differs, exceeding the range or having an excessively large range will lead to data distortion, the exhaust end is adjusted in this embodiment to divide it into three exhaust pipes 6: a low-capacity measuring branch 61, a high-capacity measuring branch 62, and a pressure relief branch 63 to ensure safety. This improves the applicability of this activation and testing device for solid-state hydrogen storage modules.

[0040] refer to Figure 5The low-capacity measurement branch 61 includes an exhaust pipe 610. The exhaust pipe 610 is equipped with a back pressure valve 611 for adjusting the flow area of ​​the exhaust pipe 610 and a valve 612 for controlling the closed state of the exhaust pipe 610. When testing the small-capacity hydrogen storage module, the high-capacity measurement branch 62 is closed, the valve 612 is opened, and the flow area of ​​the exhaust pipe 610 is adjusted by the back pressure valve 611 according to the rated capacity of the hydrogen storage module, so that the hydrogen in the small-capacity hydrogen storage module can be stably discharged through the exhaust pipe 610, thereby obtaining accurate and stable test data.

[0041] refer to Figure 5 The high-capacity measurement branch 62 includes an exhaust pipe 620. The exhaust pipe 620 is equipped with a needle valve 621 for adjusting the flow area of ​​the exhaust pipe 620 and a valve 622 for controlling the closed state of the exhaust pipe 620. When the large-capacity hydrogen storage module is tested, the low-capacity measurement branch 61 is closed, the valve 622 is opened, and the flow area of ​​the exhaust pipe 620 is adjusted by the valve 622 according to the rated capacity of the hydrogen storage module, so that the hydrogen in the large-capacity hydrogen storage module can be stably discharged through the exhaust pipe 620, thereby obtaining accurate and stable test data.

[0042] refer to Figure 5 The pressure relief branch 63 includes an exhaust pipe 630, and a pressure relief valve 631 is provided on the exhaust pipe 630 to adjust the closed state of the exhaust pipe 630. The venting device 1 discharges high-temperature and high-pressure airflow from the exhaust pipe 630 through the pressure relief valve 631.

[0043] refer to Figure 1 and Figure 6 It also includes a PLC controller 7, which is electrically connected to the venting device 1 and the hydrogen charging device 2. Flow meter 22, pressure gauge 120, flow meter 121 and vacuum pump 131 are electrically connected to the PLC controller 7. In this embodiment, a temperature measuring device can be installed at the hydrogen storage module or the venting valve 11 and the hydrogen charging valve 21, and the temperature measuring device can be connected to the PLC controller 7. This allows the PLC controller 7 to perform unified analysis and processing of the flow data detected by flow meter 22 and flow meter 121, the pressure data detected by pressure gauge 120, and the temperature data detected by the temperature measuring device, so as to improve the detection and analysis efficiency.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. An activation and testing device for a solid-state hydrogen storage module, comprising a PLC controller (7), a venting device (1) and a hydrogen charging device (2) connected to each other, wherein the PLC controller (7) is electrically connected to the venting device (1) and the hydrogen charging device (2), characterized in that: A main control valve (3) is provided between the venting device (1) and the hydrogen charging device (2); The venting device (1) includes a pipe (10). A plurality of venting valves (11) for connecting to the hydrogen storage module are provided on one side of the pipe body of the pipe (10). A three-way valve (4) is provided at the end of the pipe (10). The pipe (10) is connected to a measuring pipe (12) for measuring gas pressure and flow rate and an venting pipe (13) for completely venting the hydrogen storage module through the three-way valve (4). An exhaust pipe (6) is connected to the end of the measuring pipe (12). The exhaust pipe (6) includes at least three exhaust pipes: a low-capacity measurement branch (61), a high-capacity measurement branch (62), and a pressure relief branch (63).

2. The activation and testing device for a solid-state hydrogen storage module according to claim 1, characterized in that: The hydrogen charging device (2) includes a second pipe (20), the end of which is connected to a gas cylinder (200). An auxiliary control valve (5) is provided on the second pipe (20), and several hydrogen charging valves (21) for connecting to the hydrogen storage module are provided on the second pipe (20) between the auxiliary control valve (5) and the main control valve (3).

3. The activation and testing device for a solid-state hydrogen storage module according to claim 1, characterized in that: The low-capacity measurement branch (61) includes an exhaust pipe (610), on which a back pressure valve (611) for adjusting the flow area of ​​the exhaust pipe (610) and a valve (612) for controlling the closed state of the exhaust pipe (610) are provided.

4. The activation and testing device for a solid-state hydrogen storage module according to claim 1, characterized in that: The high-capacity measurement branch (62) includes an exhaust pipe two (620), on which a needle valve (621) for adjusting the flow area of ​​the exhaust pipe two (620) and a valve two (622) for controlling the closed state of the exhaust pipe two (620) are provided.

5. The activation and testing device for a solid-state hydrogen storage module according to claim 1, characterized in that: The pressure relief branch (63) includes an exhaust pipe three (630), and the exhaust pipe three (630) is provided with a pressure relief valve (631) for adjusting the closed state of the exhaust pipe three (630). The venting device (1) discharges high temperature and high pressure airflow from the exhaust pipe three (630) through the pressure relief valve (631).

6. The activation and testing device for a solid-state hydrogen storage module according to claim 2, characterized in that: A pressure reducing device (8) is also provided on the second pipeline (20) between the gas cylinder (200) and the auxiliary control valve (5).

7. The activation and testing device for a solid-state hydrogen storage module according to claim 6, characterized in that: The pressure reducing device (8) consists of a primary pressure reducing valve (80) and a secondary pressure reducing valve (81) connected in sequence by pipelines.

8. The activation and testing device for a solid-state hydrogen storage module according to claim 2, characterized in that: A flow meter 22 is installed on the second pipeline (20) between the gas cylinder (200) and the auxiliary control valve (5), and the flow meter 22 is electrically connected to the PLC controller (7).

9. The activation and testing device for a solid-state hydrogen storage module according to claim 1, characterized in that: The measuring pipeline (12) consists of a pressure gauge (120) and a flow meter (121) connected in sequence. The pressure gauge (120) and the flow meter (121) are electrically connected to the PLC controller (7).

10. The activation and testing device for a solid-state hydrogen storage module according to claim 1, characterized in that: The venting pipeline (13) consists of a one-way valve (130) and a vacuum pump (131) connected in sequence. The vacuum pump (131) is electrically connected to the PLC controller (7).

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