Hydrogen storage and hydrogenation apparatus

Abstract

This application relates to the field of hydrogen storage and refueling technology, and in particular to a hydrogen storage and refueling device, comprising: a housing and a group of gas cylinders, a sequential control cabinet, a heat exchanger, a hydrogen dispenser, a hydrogen venting tower, a hydrogen detector, an alarm, an explosion-proof fan, and an explosion-proof lighting fixture disposed within the housing; wherein, the gas cylinder group, the sequential control cabinet, the heat exchanger, and the hydrogen dispenser are connected by pipelines to form a hydrogen refueling path; the hydrogen venting tower is connected to the hydrogen refueling path; the hydrogen detector is used to detect whether there is hydrogen leakage inside the housing, and when hydrogen leakage occurs, the alarm is used to sound an alarm, the explosion-proof fan is used to discharge the leaked hydrogen from the housing, and the explosion-proof lighting fixture is used to provide illumination for the interior of the housing. This application provides a highly integrated and reliable hydrogen refueling device that is easy to move as a whole, and also has a high hydrogen charging rate.

Description

Technical Field

[0001] This application relates to the field of hydrogen storage and hydrogen refueling technology, and in particular to a hydrogen storage and hydrogen refueling device. Background Technology

[0002] Currently, with increasing global pressure to reduce greenhouse gas emissions, hydrogen energy, as a clean energy source with zero carbon emissions and high calorific value, has become one of the core directions for energy transformation in various countries. However, hydrogen refueling stations typically have long construction cycles, large land areas, narrow applicability, high construction costs, and high maintenance costs. Therefore, there is an urgent need to develop a highly integrated mobile hydrogen refueling device. Utility Model Content

[0003] The purpose of this application is to provide a hydrogen storage and hydrogen refueling device, which to some extent solves the technical problem of the urgent need to develop a highly integrated mobile hydrogen refueling device in the prior art.

[0004] This application provides a hydrogen storage and refueling device, including: a housing, a gas cylinder group, a sequential control cabinet, a heat exchanger, a hydrogen dispenser, a hydrogen venting tower, a hydrogen detector, an alarm, an explosion-proof fan, and explosion-proof lighting; wherein, the gas cylinder group, the sequential control cabinet, and the heat exchanger are all disposed in the housing, and the gas cylinder group, the sequential control cabinet, the heat exchanger, and the hydrogen dispenser are connected by pipelines to form a hydrogen refueling path; The hydrogen venting tower, the hydrogen detector, the explosion-proof fan, the explosion-proof lighting, and the hydrogen refueling machine are all installed in the enclosure, and the hydrogen venting tower is connected to the hydrogen refueling path; the hydrogen detector is used to detect whether there is hydrogen leakage in the enclosure, and when hydrogen leakage occurs, the alarm is used to sound an alarm, the explosion-proof fan is used to discharge the leaked hydrogen from the enclosure, and the explosion-proof lighting is used to provide illumination for the interior of the enclosure.

[0005] In the above technical solution, the hydrogen storage and hydrogen refueling device further includes a flame detector, which is installed in the housing and used to detect whether a flame appears inside the housing.

[0006] In any of the above technical solutions, further, along the length of the housing, the gas cylinder group, the sequential control cabinet, the heat exchanger, and the hydrogen refueling machine are arranged sequentially.

[0007] In any of the above technical solutions, further, along the length direction of the housing, the hydrogen refueling machine is disposed on the bottom plate outside one end plate of the housing, and the end plate is provided with an operation screen and an emergency stop button, and the operation screen and the emergency stop button are exposed outside the housing.

[0008] In any of the above technical solutions, the top plate of the housing extends above the hydrogen refueling machine and is used to shield the hydrogen refueling machine.

[0009] In any of the above technical solutions, an auxiliary lighting lamp is further provided on the top plate of the housing above the hydrogen refueling machine.

[0010] In any of the above technical solutions, the hydrogen detector, the explosion-proof fan, and the explosion-proof lighting are all located on the top of the enclosure.

[0011] In any of the above technical solutions, further, at least one side of the housing along its width direction is provided with louvers.

[0012] In any of the above technical solutions, the box body is further provided with a door that can be opened or closed on at least one side along its width direction.

[0013] In any of the above technical solutions, the gas cylinder group further comprises multiple gas cylinders arranged in a row along the width direction and the height direction of the box.

[0014] In any of the above technical solutions, the hydrogen storage and hydrogen refueling device further includes two support frames, both fixed inside the housing, and one end of the gas cylinder group is detachably fixed to one of the support frames, while the other end of the gas cylinder group is detachably fixed to the other support frame.

[0015] In any of the above technical solutions, the inlet end of the hydrogen venting tower is located inside the housing, and the outlet end of the hydrogen venting tower is located outside the housing.

[0016] In any of the above technical solutions, at least the detection end of the hydrogen detector is disposed inside the housing.

[0017] In any of the above technical solutions, the air intake end of the explosion-proof fan is located inside the housing, and the exhaust end of the explosion-proof fan is located outside the housing.

[0018] In any of the above technical solutions, the alarm is further described as an audible and visual alarm, and the audible and visual alarm is located outside the enclosure.

[0019] In any of the above technical solutions, the hydrogen storage and hydrogen refueling device further includes a controller, and the controller is communicatively connected to the sequential control cabinet, the heat exchanger, the hydrogen refueling machine, the hydrogen detector, the alarm, the explosion-proof fan, and the explosion-proof lighting lamp.

[0020] In any of the above technical solutions, the gas cylinder group further includes a first gas cylinder group, a second gas cylinder group, a third gas cylinder group, and a fourth gas cylinder group; wherein, each gas cylinder in the first gas cylinder group and the second gas cylinder group has the same pressure, and is a first pressure, and the number of gas cylinders in the second gas cylinder group is greater than the number of gas cylinders in the first gas cylinder group; each gas cylinder in the third gas cylinder group and the fourth gas cylinder group has the same pressure, and is a second pressure, and the number of gas cylinders in the fourth gas cylinder group is greater than the number of gas cylinders in the third gas cylinder group; the first pressure is greater than the second pressure.

[0021] In any of the above technical solutions, the sequential control cabinet further includes a first gas supply path, a second gas supply path, a third gas supply path, a fourth gas supply path, a first connecting path, a second connecting path, a first transfer path, a second transfer path, a third transfer path, a fourth transfer path, and a main delivery path; wherein, one end of the first gas supply path is connected to all gas cylinders of the first gas cylinder group, and the first gas supply path is equipped with a first control valve; one end of the second gas supply path is connected to all gas cylinders of the second gas cylinder group, and the second gas supply path is equipped with a second control valve; one end of the third gas supply path is connected to all gas cylinders of the third gas cylinder group, and the third gas supply path is equipped with a third control valve; one end of the fourth gas supply path is connected to all gas cylinders of the fourth gas cylinder group, and the fourth gas supply path is equipped with a fourth control valve; the other ends of the first gas supply path, the other ends of the second gas supply path, the other ends of the third gas supply path, and the other ends of the fourth gas supply path are connected through the first connecting path; The path in the fourth gas supply path located between the fourth control valve and the fourth gas cylinder group is connected to one end of the fourth transfer path, and the other end of the fourth transfer path is connected to the second connecting path and the main supply path, and the fourth transfer path is equipped with a sixth control valve; the path in the third gas supply path located between the third control valve and the third gas cylinder group is connected to one end of the third transfer path, and the other end of the third transfer path is connected to the second connecting path, and the third transfer path is equipped with a seventh control valve; the path in the second gas supply path located between the second control valve and the second gas cylinder group is connected to one end of the second transfer path, and the other end of the second transfer path is connected to the second connecting path, and the second transfer path is equipped with an eighth control valve; the path in the first gas supply path located between the first control valve and the first gas cylinder group is connected to one end of the first transfer path, and the other end of the first transfer path is connected to the second connecting path, and the first transfer path is equipped with a ninth control valve; the second connecting path is connected to the main supply path, and the main supply path is connected to the heat exchanger.

[0022] In any of the above technical solutions, the sequential control cabinet further includes an internal hydrogen refueling path and a first external gas cylinder hydrogen refueling path; wherein, one end of the internal hydrogen refueling path is connected to the end of the first gas delivery path away from the first gas cylinder group and the end of the first transfer path close to the first gas delivery path, respectively, and the other end of the internal hydrogen refueling path is connected to one end of the first external gas cylinder hydrogen refueling path, the other end of the first external gas cylinder hydrogen refueling path being used to connect to a hydrogen source; a fifth control valve is provided on the first gas delivery path, and the fifth control valve is positioned relative to the first control valve and close to the first gas cylinder group.

[0023] In any of the above technical solutions, the sequential control cabinet further includes a main venting path, a first sub-venting path, a second sub-venting path, a third sub-venting path, and a fourth sub-venting path; wherein, the main venting path is connected to the main venting path via the first sub-venting path, and the first sub-venting path is equipped with a tenth control valve; the third gas supply path is connected to the second sub-venting path via the third sub-venting path; the fourth gas supply path is connected to the second sub-venting path via the fourth sub-venting path; the second sub-venting path is connected to the main venting path; the main venting path is connected to the hydrogen venting tower; and both the third and fourth sub-venting paths are equipped with safety valves. The hydrogen storage and refueling device also includes a hydrogen refueling machine venting path, one end of which is connected to the hydrogen refueling machine, and the other end of which is connected to the main venting path.

[0024] In any of the above technical solutions, the total conveying path is further provided with a flow regulating valve.

[0025] Compared with the prior art, the beneficial effects of this application are as follows: The hydrogen storage and refueling device provided in this application integrates a gas cylinder group, a sequential control cabinet, a heat exchanger, a hydrogen dispenser, and a hydrogen venting tower onto a single housing, forming a refueling structure that is easy to move. Unlike traditional hydrogen refueling stations, this design is more user-friendly. It is also equipped with a hydrogen detector, an alarm, and an explosion-proof fan. The hydrogen detector can detect hydrogen leaks within the housing, and the alarm will sound when a leak occurs. Simultaneously, the explosion-proof fan will expel the leaked hydrogen from the housing, preventing hydrogen accumulation and potential explosions, thus avoiding safety hazards. This makes the hydrogen storage and refueling device safer and more reliable during use. Furthermore, the device is equipped with explosion-proof lighting to illuminate the interior of the housing, facilitating maintenance and other operations by workers, thereby avoiding risks caused by misoperation and further enhancing the safety and reliability of the device during use.

[0026] In addition, this application uses multiple sets of gas cylinders with different pressure points and a sequential control cabinet to add hydrogen to the hydrogen dispenser in a certain order, which greatly improves the hydrogen addition rate. Attached Figure Description To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of the hydrogen storage and hydrogen refueling device provided in the embodiments of this application; Figure 2 for Figure 1 A partially enlarged structural diagram; Figure 3 Another schematic diagram of the hydrogen storage and hydrogenation device provided in the embodiments of this application; Figure 4 This is a schematic diagram of the left side of the hydrogen storage and hydrogen refueling device provided in the embodiments of this application; Figure 5 This is a schematic diagram of the structure of the hydrogen refueling unit end of the hydrogen storage and hydrogen refueling device provided in the embodiments of this application; Figure 6 This is a schematic diagram of the right side of the hydrogen storage and hydrogen refueling device provided in the embodiments of this application; Figure 7 A schematic diagram of the hydrogen addition path of the hydrogen storage and hydrogen addition device provided in the embodiments of this application; Figure 8 for Figure 7 A partially enlarged structural diagram; Figure 9 This is an internal schematic diagram of the sequence control cabinet provided in an embodiment of this application.

[0028] Figure label: 1-Enclosure, 101-End plate, 102-Bottom plate, 103-Top plate, 104-Side plate, 105-Louvre, 106-Door, 2-Cylinder group, 201-First cylinder group, 202-Second cylinder group, 203-Third cylinder group, 204-Fourth cylinder group, 3-Sequential control cabinet, 4-Heat exchanger, 5-Hydrogen dispenser, 6-Hydrogen venting tower, 7-Hydrogen detector, 8-Alarm, 9-Explosion-proof fan, 10-Explosion-proof lighting, 11-Flame detector, 12-Operating panel, 13-Emergency stop button, 14-Controller, 16-First gas delivery path, 17-Second gas delivery path 18-Third gas transmission path, 19-Fourth gas transmission path, 20-First connecting path, 21-Second connecting path, 22-First transfer path, 23-Second transfer path, 24-Third transfer path, 25-Fourth transfer path, 27-Main transmission path, 28-Internal hydrogen filling path, 29-First external gas cylinder hydrogen filling path, 30-Main venting path, 31-First branch venting path, 32-Second branch venting path, 33-Third branch venting path, 34-Fourth branch venting path, 35-Transfer pipeline, 36-Hydrogen refueling machine venting path, 37-Support frame, 38-Auxiliary lighting. Detailed Implementation

[0029] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.

[0030] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.

[0031] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0034] The following reference Figures 1 to 9 This application describes a hydrogen storage and hydrogen refueling apparatus according to some embodiments.

[0035] See Figures 1 to 6 As shown, an embodiment of this application provides a hydrogen storage and refueling device, including: a housing 1, a gas cylinder group 2, a sequential control cabinet 3, a heat exchanger 4, a hydrogen dispenser 5, a hydrogen venting tower 6, a hydrogen detector 7, an alarm 8, an explosion-proof fan 9, and an explosion-proof lighting lamp 10; wherein, the gas cylinder group 2, the sequential control cabinet 3, and the heat exchanger 4 are all disposed inside the housing 1, and the gas cylinder group 2, the sequential control cabinet 3, the heat exchanger 4, and the hydrogen dispenser 5 are connected by pipelines to form a hydrogen refueling path; The hydrogen venting tower 6, hydrogen detector 7, explosion-proof fan 9, explosion-proof lighting 10, and hydrogen dispenser 5 are all installed in the housing 1, and the hydrogen venting tower 6 is connected to the hydrogen refueling path; the hydrogen detector 7 is used to detect whether there is hydrogen leakage in the housing 1, and when hydrogen leakage occurs, the alarm 8 is used to sound an alarm, and the explosion-proof fan 9 is used to discharge the leaked hydrogen from the housing 1, and the explosion-proof lighting 10 is used to provide lighting for the interior of the housing 1.

[0036] As described above, the hydrogen storage and refueling device provided in this application integrates the gas cylinder group 2, sequential control cabinet 3, heat exchanger 4, hydrogen dispenser 5, and hydrogen venting tower 6 onto a housing 1, forming a refueling structure that is easy to move as a whole. Unlike previous hydrogen refueling stations, it is more convenient to use. It is also equipped with a hydrogen detector 7, an alarm 8, and an explosion-proof fan 9. The hydrogen detector 7 can detect whether there is a hydrogen leak inside the housing 1, and when a hydrogen leak occurs, the alarm 8 will sound an alarm to serve as a warning. At the same time, the explosion-proof fan 9 can discharge the leaked hydrogen from the housing 1 to prevent hydrogen accumulation and subsequent explosion, thus avoiding safety hazards. This makes the hydrogen storage and refueling device safer and more reliable during use. In addition, the device is also equipped with an explosion-proof lighting lamp 10 to provide lighting inside the housing 1, facilitating maintenance and other operations by workers, thereby avoiding risks caused by misoperation and improving the safety and reliability of the device during use.

[0037] In this embodiment, preferably, as follows: Figures 1 to 3 , Figure 5 As shown, the hydrogen storage and refueling device also includes a flame detector 11, which is installed in the housing 1 and is used to detect whether a flame appears inside the housing 1. As described above, the flame detector 11 can be used to detect whether a fire has occurred inside the enclosure 1, further improving safety and reliability. Of course, the flame detector 11 can be omitted, depending on actual needs. Furthermore, preferably, the body of the flame detector 11 is disposed on the outside of the housing 1, and the detection end of the flame detector 11 is disposed inside the housing 1. This ensures both the accuracy of detection and that the body is not affected by the flame, effectively extending its service life. Of course, this is not the only option; the body of the flame detector 11 can also be disposed inside the housing 1, etc., depending on the actual needs.

[0038] In this embodiment, preferably, as follows: Figure 1 and Figure 3 As shown, along the length of the housing 1, the gas cylinder group 2, the sequential control cabinet 3, the heat exchanger 4, and the hydrogen dispenser 5 are arranged in sequence. As can be seen from the structure described above, the gas cylinder group 2, sequence control cabinet 3, heat exchanger 4 and hydrogen dispenser 5 are arranged in the general order of hydrogen delivery, which shortens the delivery path, saves pipeline space, and makes the layout more regular and reasonable, facilitating maintenance and other operations.

[0039] Of course, this is not the only option. The arrangement of the gas cylinder group 2, the sequential control cabinet 3, the heat exchanger 4, and the hydrogen dispenser 5 can be selected according to actual needs. In this embodiment, preferably, as follows: Figure 2 and Figure 5 As shown, along the length of the housing 1, the hydrogen refueling machine 5 is installed on the bottom plate 102 on the outside of one end plate 101 of the housing 1, and the end plate 101 is provided with an operation screen 12 and an emergency stop button 13, and the operation screen 12 and the emergency stop button 13 are exposed outside the housing 1. As can be seen from the structure described above, the hydrogen refueling machine 5 is set on the outside of the end plate 101, that is, the hydrogen refueling machine 5 is set on the outside of the housing 1, which facilitates the operation of hydrogen refueling and the maintenance of the hydrogen refueling machine 5. In addition, since the hydrogen refueling machine 5 is equipped with a shell and other structures, it also meets the requirements of dustproof and waterproof.

[0040] In addition, the operation panel 12 and emergency stop button 13 are installed on the outer side of the end plate 101 at the rear of the hydrogen refueling machine 5, which facilitates the control and monitoring of various devices and also saves space.

[0041] Of course, the operation panel 12 and the emergency stop button 13 can also be set on an independent support plate outside the housing 1, instead of on the end plate 101 of the housing 1, depending on the actual needs.

[0042] Furthermore, preferably, the top plate 103 and the bottom plate 102 of the housing 1 both extend to the outside of the end plate 101. The bottom plate 102 extending to the outside of the end plate 101 can be used to install the hydrogen dispenser 5, and the top plate 103 extending to the outside of the end plate 101 can serve to shield the hydrogen dispenser 5. Of course, it is not limited to this. Furthermore, preferably, an auxiliary lighting lamp 38 is provided on the top plate 103 of the housing 1 above the hydrogen refueling machine 5 to provide lighting when using or maintaining the hydrogen refueling machine 5.

[0043] Furthermore, preferably, the hydrogen refueling unit 5 and the base plate 102 below it can be detachably connected by fastening components such as screws or bolts, but of course, it is not limited to this.

[0044] Furthermore, preferably, the housing 1 includes the aforementioned top plate 103, bottom plate 102, two end plates 101, and two side plates 104. The top plate 103, bottom plate 102, two end plates 101, and two side plates 104 are assembled at the front end to form a cuboid structure with an installation space, which is used to install the hydrogen refueling machine 5. Of course, the structure of the housing 1 is not limited to this and can be selected according to actual needs.

[0045] In this embodiment, preferably, as follows: Figures 1 to 3 As shown, the hydrogen detector 7, the explosion-proof fan 9, and the explosion-proof lighting 10 are all located on the top of the housing 1. As can be seen from the structure described above, after a hydrogen leak, due to its light weight, it will generally accumulate at the top of the housing 1. Therefore, the hydrogen detector 7 is placed at the top of the housing 1 to facilitate rapid detection of hydrogen leaks. Similarly, the explosion-proof fan 9 is installed at the top of the housing 1 to facilitate rapid discharge of leaked hydrogen. In addition, the explosion-proof lighting 10 is installed at the top of the housing 1 to provide maximum illumination and improve lighting effect. Moreover, placing the above three components at the top of the housing 1 can also avoid interference with other structural components or with other external structures during movement, which helps to improve safety and reliability during movement.

[0046] Of course, the hydrogen detector 7, explosion-proof fan 9, and explosion-proof lighting 10 are not limited to the top of the enclosure 1, but can also be installed on the side of the enclosure 1, etc., depending on the actual needs. In this embodiment, preferably, as follows: Figure 4 and Figure 6As shown, louvers 105 are provided on both sides of the box 1 along its width direction. Of course, it is not limited to this. Louvers 105 can also be provided on only one side of the box 1. The specific choice depends on the actual needs. As can be seen from the structure described above, by setting louvers 105 on the side of the housing 1, it is convenient to dissipate heat inside the housing 1 and to observe the internal working conditions. Of course, this louver 105 may not be set.

[0047] Furthermore, preferably, there are multiple louvers 105, which are arranged sequentially at intervals along the length of the housing 1. In this embodiment, preferably, as follows: Figure 4 and Figure 6 As shown, the box 1 has doors 106 that can be opened or closed on both sides along its width direction. Of course, it is not limited to this. It is also possible to have doors 106 that can be opened or closed on only one side of the box 1. The specific choice depends on the actual needs. As can be seen from the structure described above, an openable or closable door 106 is provided on the side of the enclosure 1 to facilitate the maintenance of the equipment inside. Of course, this openable or closable door 106 may not be provided.

[0048] In this embodiment, preferably, as follows: Figures 1 to 3 As shown, the inlet end of the hydrogen venting tower 6 is located inside the housing 1, and the outlet end of the hydrogen venting tower 6 is located outside the housing 1. In this way, the inlet end of the hydrogen venting tower 6 is connected to the hydrogen filling path, and at the same time, it is convenient to exhaust gas to the outside of the housing 1. In this embodiment, preferably, as follows: Figures 1 to 3 As shown, all the gas cylinders in the gas cylinder group are arranged in a row along the width and height of the box 1, that is, multiple gas cylinders are stacked along the width and height of the box 1, so that more gas cylinders can be installed in a limited space.

[0049] In this embodiment, preferably, as follows: Figure 1 and Figure 2 As shown, the hydrogen storage and refueling device also includes two support frames 37, both of which are fixed inside the housing 1. One end of the gas cylinder group is detachably fixed to one of the support frames 37, and the other end of the gas cylinder group is detachably fixed to the other support frame 37.

[0050] As can be seen from the structure described above, the two support frames 37 serve to support the gas cylinder group, allowing the gas cylinder group to be stacked along the height and width of the box 1, so that more gas cylinders can be installed in a limited space. Moreover, the gas cylinders are connected to the two support frames 37 in a detachable manner, which facilitates later installation and disassembly.

[0051] Furthermore, preferably, the support frame 37 and the housing 1 can be detachably connected by screws or bolts. It should be noted that the other components mentioned above can also be connected to the housing 1 in a non-detachable or detachable manner, depending on the actual needs.

[0052] In this embodiment, preferably, as follows: Figures 1 to 3 As shown, the main body of the hydrogen detector 7 is located outside the housing 1, while the detection end of the hydrogen detector 7 is located inside the housing 1, thus enabling effective detection of hydrogen leakage in the hydrogen refueling path within the housing 1. Of course, this is not the only possibility; both the main body and the detection end of the hydrogen detector 7 can be located inside the housing 1.

[0053] In this embodiment, preferably, as follows: Figures 1 to 3 As shown, the air intake end of the explosion-proof fan 9 is located inside the housing 1, and the exhaust end of the explosion-proof fan 9 is located outside the housing 1, so as to draw away the gas inside the housing 1 and discharge it to the outside of the housing 1. In this embodiment, preferably, as follows: Figure 5 As shown, the alarm 8 is an audible and visual alarm 8, and the audible and visual alarm 8 is located on the outside of the housing 1. As can be seen from the structure described above, the audible and visual alarm 8 is located on the outside of the enclosure 1, which can provide users with more obvious prompts and has a better warning effect.

[0054] Of course, it is not limited to this. Alarm 8 can also be a sound alarm. In this case, it can be installed inside the box 1 or outside the box 1, depending on the actual needs. In this embodiment, preferably, as follows: Figure 3 As shown, the hydrogen storage and refueling device also includes a controller 14, which is communicatively connected to the sequential control cabinet 3, heat exchanger 4, hydrogen refueling machine 5, hydrogen detector 7, alarm 8, explosion-proof fan 9 and explosion-proof lighting 10. As can be seen from the structure described above, the controller 14 can be used to control the operation of the above-mentioned equipment, resulting in a higher degree of automation. In this embodiment, preferably, as follows: Figure 7 As shown, the gas cylinder group 2 includes a first gas cylinder group 201, a second gas cylinder group 202, a third gas cylinder group 203, and a fourth gas cylinder group 204; wherein, each gas cylinder in the first gas cylinder group 201 and the second gas cylinder group 202 has the same pressure, and both are a first pressure, for example, 90 MPa, and the number of gas cylinders in the second gas cylinder group 202 is greater than the number of gas cylinders in the first gas cylinder group 201; each gas cylinder in the third gas cylinder group 203 and the fourth gas cylinder group 204 has the same pressure, and both are a second pressure, for example, 45 MPa, and the number of gas cylinders in the fourth gas cylinder group 204 is greater than the number of gas cylinders in the third gas cylinder group 203; the first pressure is greater than the second pressure. As can be seen from the structure described above, the hydrogen refueling machine 5 has three pipeline systems for hydrogen supply: one from a 90MPa cylinder group, one from a 45MPa cylinder group, and the last from external compressed hydrogen as described below. The 90MPa and 45MPa cylinder groups are sequentially controlled by the sequential control cabinet 3, and after being combined, they enter the hydrogen refueling machine 5 through the heat exchanger 4, for refueling H35 and H70 fuel cell vehicles respectively.

[0055] Furthermore, preferably, the gas cylinders of the aforementioned first gas cylinder group 201, second gas cylinder group 202, third gas cylinder group 203 and fourth gas cylinder group 204 are all filled with hydrogen. Of course, it is not limited to this type of gas, and other gases can be selected according to actual needs.

[0056] It should be noted that the first pressure is not limited to 90MPa, but can be selected according to actual needs; the second pressure is not limited to 45MPa, but can also be selected according to actual needs.

[0057] In this embodiment, preferably, as follows: Figures 7 to 9 As shown, the sequential control cabinet 3 includes a first gas supply path 16, a second gas supply path 17, a third gas supply path 18, a fourth gas supply path 19, a first connecting path 20, a second connecting path 21, a first transfer path 22, a second transfer path 23, a third transfer path 24, a fourth transfer path 25, and a main delivery path 27. One end of the first gas supply path 16 is connected to all the gas cylinders in the first gas cylinder group 201, and the first gas supply path 16 is equipped with a first control valve, such as a pneumatic valve XV-01. However, the first control valve is not limited to a pneumatic valve and can be other types of valves. One end of the second gas supply path 17 is connected to all the gas cylinders in the second gas cylinder group 202, and the second gas supply path 17 is equipped with a second control valve, such as a pneumatic valve XV-02. The second control valve is not limited to a pneumatic valve, but can also be other types of valves; one end of the third gas supply path 18 is connected to all the gas cylinders of the third gas cylinder group 203, and the third gas supply path 18 is equipped with a third control valve, such as a pneumatic valve XV-03. Of course, the third control valve is not limited to a pneumatic valve, but can also be other types of valves; one end of the fourth gas supply path 19 is connected to all the gas cylinders of the fourth gas cylinder group 204, and the fourth gas supply path 19 is equipped with a fourth control valve, such as a pneumatic valve XV-04. Of course, the fourth control valve is not limited to a pneumatic valve, but can also be other types of valves; the other ends of the first gas supply path 16, the second gas supply path 17, the third gas supply path 18, and the fourth gas supply path 19 are connected through the first connecting path 20; The path in the fourth gas supply path 19 between the fourth control valve and the fourth gas cylinder group 204 is connected to one end of the fourth transfer path 25. The other end of the fourth transfer path 25 is connected to the second connecting path 21 and the main supply path 27. The fourth transfer path 25 is equipped with a sixth control valve, such as a pneumatic valve XV-06. Of course, the sixth control valve is not limited to a pneumatic valve and can be other types of valves. The path in the third gas supply path 18 between the third control valve and the third gas cylinder group 203 is connected to one end of the third transfer path 24. The other end of the third transfer path 24 is connected to the second connecting path 21. The third transfer path 24 is equipped with a seventh control valve, such as a pneumatic valve XV-07. Of course, the seventh control valve is not limited to a pneumatic valve and can be other types of valves. The path in the second gas supply path 17 between the second control valve and the third gas cylinder group 203 is connected to one end of the third transfer path 24. The other end of the third transfer path 24 is connected to the second connecting path 21. The third transfer path 24 is equipped with a seventh control valve, such as a pneumatic valve XV-07. Of course, the seventh control valve is not limited to a pneumatic valve and can be other types of valves. The path between the control valve and the second gas cylinder group 202 is connected to one end of the second transfer path 23, and the other end of the second transfer path 23 is connected to the second connecting path 21. The second transfer path 23 is equipped with an eighth control valve, such as a pneumatic valve XV-08. Of course, the eighth control valve is not limited to a pneumatic valve and can also be other types of valves. The path in the first gas supply path 16 located between the first control valve and the first gas cylinder group 201 is connected to one end of the first transfer path 22, and the other end of the first transfer path 22 is connected to the second connecting path 21. The first transfer path 22 is equipped with a ninth control valve, such as a pneumatic valve XV-09. Of course, the ninth control valve is not limited to a pneumatic valve and can also be other types of valves. The second connecting path 21 is connected to the main delivery path 27, and the main delivery path 27 is connected to the heat exchanger 4. Based on the structure described above, the hydrogenation process of this device is roughly as follows: The inlet of the internal hydrogen supply path 28 of the sequential control cabinet 3 described below is connected to external compressed hydrogen through the first external gas cylinder hydrogen supply path 29. The 90MPa hydrogen storage cylinder group is divided into a high-pressure cylinder (3 hydrogen storage cylinders), i.e., the first gas cylinder group 201, and a low-pressure cylinder (4 hydrogen storage cylinders), i.e., the second gas cylinder group 202, which are connected to the 90MPa high-pressure pipeline f in the sequential control cabinet 3, i.e., the first gas supply path 16, and the low-pressure pipeline e, i.e., the second gas supply path 17. The 50MPa hydrogen storage cylinder group is divided into a high-pressure cylinder (3 hydrogen storage cylinders), i.e., the third gas cylinder group 203, and a low-pressure cylinder (4 hydrogen storage cylinders), i.e., the fourth gas cylinder group 204, which are connected to the 50MPa high-pressure pipeline d in the sequential control cabinet 3, i.e., the third gas supply path 18, and the low-pressure pipeline c, i.e., the fourth gas supply path 19. After being gathered in the sequential control cabinet 3, the hydrogen is connected to the heat exchanger 4 through the flow regulating valve PV-01 and then to the H35+H70 hydrogen dispenser 5 through the external transfer pipeline 35.

[0058] When refueling a vehicle with hydrogen, first open XV-06 to refuel the vehicle. Once the designated refueling pressure is reached, stop refueling and simultaneously close the pneumatic valve XV-06. If the designated refueling pressure is not reached after pressure equalization, switch to the 50MPa high-pressure line d in sequence control cabinet 3, which opens pneumatic valve XV-07 and closes pneumatic valve XV-06 to continue refueling the vehicle. Once the designated refueling pressure is reached, stop refueling and simultaneously close pneumatic valve XV-07. If the designated refueling pressure is not reached after pressure equalization, switch to the 90MPa low-pressure line e in sequence control cabinet 3, which opens pneumatic valve XV-08 and simultaneously closes pneumatic valve XV-07 in the 50MPa high-pressure line d in sequence control cabinet 3 to continue refueling the vehicle. Once the designated refueling pressure is reached, stop refueling and simultaneously close pneumatic valve XV-07. 8. If the specified refueling pressure is not reached after pressure equalization, switch to the 90MPa high-pressure line f in the sequence control cabinet 3, that is, open the pneumatic valve XV-05 and simultaneously open the pneumatic valve XV-09, while closing the pneumatic valve XV-09 in the 90MPa low-pressure line e in the sequence control cabinet 3 to continue refueling the vehicle with hydrogen. Stop refueling after reaching the specified refueling pressure, and simultaneously close the pneumatic valves XV-05 and XV-09. If the specified refueling pressure is not reached after pressure equalization, switch to the internal hydrogen refueling path 28, that is, open the pneumatic valve XV-01 and simultaneously close the pneumatic valve XV-05 in the 90MPa high-pressure line f in the sequence control cabinet 3, while simultaneously closing the pneumatic valve XV-09, using external compressed hydrogen for refueling until the vehicle completes the hydrogen refueling operation. After the hydrogen refueling is completed, close the pneumatic valve XV-01.

[0059] When hydrogen refueling begins, the flow regulating valve PV-01 opens. Throughout the refueling process, the flow regulating valve is adjusted in real time based on feedback information such as the system's refueling flow rate, refueling pressure, and temperature to ensure that the vehicle can complete the hydrogen refueling operation quickly, with a high refueling rate, and safely.

[0060] When filling the cylinder group with hydrogen, first fill the high-pressure cylinders (3 hydrogen storage cylinders) in the 90MPa hydrogen storage cylinder group, i.e., the first gas cylinder group 201, by opening pneumatic valves XV-01 and XV-05; after reaching the specified pressure, fill the low-pressure cylinders (4 hydrogen storage cylinders) in the 90MPa hydrogen storage cylinder group, i.e., the second gas cylinder group 202, by opening pneumatic valve XV-02 and simultaneously closing pneumatic valves XV-01 and XV-05; after reaching the specified pressure... To fill the high-pressure cylinders (3 hydrogen storage cylinders) in the 50MPa hydrogen storage cylinder group 13, also known as the third gas cylinder group 203, open pneumatic valve XV-03 and close pneumatic valve XV-02. After reaching the specified pressure, fill the low-pressure cylinders (4 hydrogen storage cylinders) in the 50MPa hydrogen storage cylinder group 13, also known as the fourth gas cylinder group 204, open pneumatic valve XV-04 and close pneumatic valve XV-03. After reaching the specified pressure, close pneumatic valve XV-04, and the hydrogen filling is complete.

[0061] It can be seen that by using the sequence control cabinet 3 and cooperating with four sets of gas cylinders 2 to supply hydrogen to the hydrogen dispenser 5 in a preset sequence, that is, staged refueling, the hydrogen refueling speed is faster, the hydrogen refueling efficiency is improved, and the hydrogen refueling pressure requirement is met.

[0062] In this embodiment, preferably, as follows: Figure 8 As shown, the sequential control cabinet 3 also includes an internal hydrogen refueling path 28 and a first external gas cylinder hydrogen refueling path 29; one end of the internal hydrogen refueling path 28 is connected to the end of the first gas supply path 16 away from the first gas cylinder group 201 and the end of the first transfer path 22 close to the first gas supply path 16, respectively, and the other end of the internal hydrogen refueling path 28 is connected to one end of the first external gas cylinder hydrogen refueling path 29, the other end of the first external gas cylinder hydrogen refueling path 29 is used to connect to a hydrogen source; a fifth control valve, namely a pneumatic valve XV-05, is provided on the first gas supply path 16, and the fifth control valve, namely XV-05, is set relative to the first control valve, namely XV-01, close to the first gas cylinder group 201. Of course, the fifth control valve is not limited to a pneumatic valve, but can also be other types of valves. As can be seen from the structure described above, the four gas cylinder groups can be filled with gas or the hydrogen dispenser 5 can be supplied with gas by the first external gas cylinder hydrogen filling path 29 and the internal hydrogen filling path 28 in conjunction with the sequence control cabinet 3.

[0063] In this embodiment, preferably, as follows: Figure 8 As shown, the sequential control cabinet 3 also includes a main venting path 30, a first sub-venting path 31, a second sub-venting path 32, a third sub-venting path 33, and a fourth sub-venting path 34. The main conveying path 27 is connected to the main venting path 30 via the first sub-venting path 31, and the first sub-venting path 31 is equipped with a tenth control valve, such as a pneumatic valve XV-10. Of course, the tenth control valve is not limited to a pneumatic valve and can be other types of valves. The third gas conveying path 18 is connected to the second sub-venting path 32 via the third sub-venting path 33. The fourth gas conveying path 19 is connected to the second sub-venting path 32 via the fourth sub-venting path 34. The second sub-venting path 32 is connected to the main venting path 30. The main venting path 30 is connected to the hydrogen venting tower 6. Both the third sub-venting path 33 and the fourth sub-venting path 34 are equipped with safety valves, namely safety valve PSV-01 and safety valve PSV-02.

[0064] As can be seen from the structure described above, the 50MPa high-pressure pipeline d and the low-pressure pipeline c in the sequential control cabinet 3 are respectively connected to the venting paths, and both venting paths are equipped with safety valves. When gas leaks from the 90MPa pipeline in the sequential control cabinet 3 into the 50MPa pipeline in the sequential control cabinet 3, the system becomes overpressured, the safety valves open, and the overpressured gas is released to ensure the safety of the system.

[0065] Further, preferably, such as Figure 8 As shown, the hydrogen storage and refueling device also includes a hydrogen refueling machine venting path 36, one end of which is connected to the hydrogen refueling machine 5, and the other end of which is connected to the main venting path 30. The sequential control cabinet 3 is also equipped with an automatic venting valve, namely the tenth control valve, such as the pneumatic valve XV-10. When there is an alarm interlock or manual operation, the pneumatic valve XV-10 is opened, and the system automatically vents. When the system cancels the venting, the pneumatic valve XV-10 is closed, ensuring the safety of the system.

[0066] In this embodiment, preferably, as follows: Figure 9 As shown, the main conveying path 27 is equipped with a flow regulating valve PV-01. As can be seen from the structure described above, when hydrogen refueling begins, the flow regulating valve PV-01 is opened. Throughout the hydrogen refueling process, the flow rate, pressure, temperature, and other feedback information from the system are adjusted in real time to ensure that the vehicle can complete the hydrogen refueling operation quickly, with a high refueling rate, and safely. Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A hydrogen storage and hydrogen addition device, characterized in that, include: The system includes a housing, a gas cylinder assembly, a sequential control cabinet, a heat exchanger, a hydrogen dispenser, a hydrogen venting tower, a hydrogen detector, an alarm, an explosion-proof fan, and explosion-proof lighting. The gas cylinder assembly, the sequential control cabinet, and the heat exchanger are all housed within the housing, and are connected via pipelines to form a hydrogen refueling path. The hydrogen venting tower, the hydrogen detector, the explosion-proof fan, the explosion-proof lighting, and the hydrogen refueling machine are all installed in the enclosure, and the hydrogen venting tower is connected to the hydrogen refueling path; the hydrogen detector is used to detect whether there is hydrogen leakage in the enclosure, and when hydrogen leakage occurs, the alarm is used to sound an alarm, the explosion-proof fan is used to discharge the leaked hydrogen from the enclosure, and the explosion-proof lighting is used to provide illumination for the interior of the enclosure.

2. The hydrogen storage and hydrogen refueling device according to claim 1, characterized in that, The hydrogen storage and refueling device also includes a flame detector, which is installed in the housing and used to detect whether a flame appears inside the housing.

3. The hydrogen storage and hydrogen refueling device according to claim 1, characterized in that, Along the length of the housing, the gas cylinder group, the sequential control cabinet, the heat exchanger, and the hydrogen dispenser are arranged in sequence.

4. The hydrogen storage and hydrogenation device according to claim 3, characterized in that, Along the length of the housing, the hydrogen refueling machine is mounted on the bottom plate outside one end plate of the housing, and the end plate is provided with an operation screen and an emergency stop button, which are exposed outside the housing.

5. The hydrogen storage and hydrogenation device according to claim 4, characterized in that, The top plate of the enclosure extends above the hydrogen refueling machine and is used to shield the hydrogen refueling machine; An auxiliary lighting lamp is installed on the top plate of the housing above the hydrogen refueling machine.

6. The hydrogen storage and hydrogenation device according to claim 1, characterized in that, The hydrogen detector, the explosion-proof fan, and the explosion-proof lighting are all located on the top of the enclosure; and / or The housing is provided with louvers on at least one side along its width; and / or The enclosure has an openable or closable door on at least one side along its width; and / or The gas cylinder group comprises multiple gas cylinders arranged in a layout along the width and height of the housing; and / or The hydrogen storage and hydrogen refueling device also includes two support frames, both of which are fixed inside the housing. One end of the gas cylinder group is detachably fixed to one of the support frames, and the other end of the gas cylinder group is detachably fixed to the other support frame.

7. The hydrogen storage and hydrogenation device according to claim 1, characterized in that, The inlet of the hydrogen venting tower is located inside the housing, and the outlet of the hydrogen venting tower is located outside the housing; and / or At least the detection end of the hydrogen detector is disposed within the housing; and / or The air intake end of the explosion-proof fan is located inside the housing, and the exhaust end of the explosion-proof fan is located outside the housing; and / or The alarm is an audible and visual alarm, and the audible and visual alarm is located on the outside of the enclosure; and / or The hydrogen storage and refueling device also includes a controller, which is communicatively connected to the sequential control cabinet, the heat exchanger, the hydrogen refueling machine, the hydrogen detector, the alarm, the explosion-proof fan, and the explosion-proof lighting.

8. The hydrogen storage and hydrogen refueling device according to claim 1, characterized in that, The gas cylinder group includes a first gas cylinder group, a second gas cylinder group, a third gas cylinder group, and a fourth gas cylinder group; wherein, each gas cylinder in the first gas cylinder group and the second gas cylinder group has the same pressure, which is a first pressure, and the number of gas cylinders in the second gas cylinder group is greater than the number of gas cylinders in the first gas cylinder group; each gas cylinder in the third gas cylinder group and the fourth gas cylinder group has the same pressure, which is a second pressure, and the number of gas cylinders in the fourth gas cylinder group is greater than the number of gas cylinders in the third gas cylinder group; the first pressure is greater than the second pressure.

9. The hydrogen storage and hydrogenation device according to claim 8, characterized in that, The sequential control cabinet includes a first gas supply path, a second gas supply path, a third gas supply path, a fourth gas supply path, a first connecting path, a second connecting path, a first transfer path, a second transfer path, a third transfer path, a fourth transfer path, and a main supply path; wherein, one end of the first gas supply path is connected to all gas cylinders of the first gas cylinder group, and the first gas supply path is equipped with a first control valve; one end of the second gas supply path is connected to all gas cylinders of the second gas cylinder group, and the second gas supply path is equipped with a second control valve; one end of the third gas supply path is connected to all gas cylinders of the third gas cylinder group, and the third gas supply path is equipped with a third control valve; one end of the fourth gas supply path is connected to all gas cylinders of the fourth gas cylinder group, and the fourth gas supply path is equipped with a fourth control valve; the other ends of the first gas supply path, the other ends of the second gas supply path, the other ends of the third gas supply path, and the other ends of the fourth gas supply path are connected through the first connecting path; The path in the fourth gas supply path located between the fourth control valve and the fourth gas cylinder group is connected to one end of the fourth transfer path, and the other end of the fourth transfer path is connected to the second connecting path and the main supply path, and the fourth transfer path is equipped with a sixth control valve; the path in the third gas supply path located between the third control valve and the third gas cylinder group is connected to one end of the third transfer path, and the other end of the third transfer path is connected to the second connecting path, and the third transfer path is equipped with a seventh control valve; the path in the second gas supply path located between the second control valve and the second gas cylinder group is connected to one end of the second transfer path, and the other end of the second transfer path is connected to the second connecting path, and the second transfer path is equipped with an eighth control valve; the path in the first gas supply path located between the first control valve and the first gas cylinder group is connected to one end of the first transfer path, and the other end of the first transfer path is connected to the second connecting path, and the first transfer path is equipped with a ninth control valve; the second connecting path is connected to the main supply path, and the main supply path is connected to the heat exchanger.

10. The hydrogen storage and hydrogenation apparatus according to claim 9, characterized in that, The sequential control cabinet further includes an internal hydrogen refueling path and a first external gas cylinder hydrogen refueling path; wherein, one end of the internal hydrogen refueling path is connected to the end of the first gas delivery path furthest from the first gas cylinder group and the end of the first transfer path closest to the first gas delivery path, and the other end of the internal hydrogen refueling path is connected to one end of the first external gas cylinder hydrogen refueling path, the other end of the first external gas cylinder hydrogen refueling path being used to connect to a hydrogen source; a fifth control valve is provided on the first gas delivery path, and the fifth control valve is positioned relative to the first control valve and closer to the first gas cylinder group; and / or The sequential control cabinet further includes a main venting path, a first branch venting path, a second branch venting path, a third branch venting path, and a fourth branch venting path; wherein, the main venting path is connected to the main venting path via the first branch venting path, and the first branch venting path is equipped with a tenth control valve; the third gas supply path is connected to the second branch venting path via the third branch venting path; the fourth gas supply path is connected to the second branch venting path via the fourth branch venting path; the second branch venting path is connected to the main venting path; the main venting path is connected to the hydrogen venting tower; and both the third and fourth branch venting paths are equipped with safety valves. The hydrogen storage and refueling device further includes a hydrogen refueling machine venting path, one end of which is connected to the hydrogen refueling machine, and the other end of which is connected to the main venting path; and / or The main conveying path is equipped with a flow regulating valve.

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