A photovoltaic power generation direct coupling hydrogen production and gas storage device

Abstract

The present application discloses a photovoltaic power generation directly coupled hydrogen production gas storage device, which includes: a tank body, a support foot, a barometer, a connecting pipe, a valve, a short pipe, a flange and a disk assembly; wherein, four support feet distributed in a circular array are fixedly installed at the bottom of the tank body, a barometer and a connecting pipe are fixedly installed on the top of the tank body, one end of the connecting pipe is connected and installed with the inside of the tank body, a valve is fixedly installed at the end of the connecting pipe, a short pipe is fixedly sleeved at the end of the valve, and a flange is fixedly installed at the end of the short pipe; a lifting and adjusting disk assembly is arranged inside the tank body. The benefit of the present application is that the inside of the tank body has a lifting and adjusting disk assembly, and after storage, when the gas is discharged, the upward adjustment is performed to facilitate the discharge of the gas through the disk assembly, the discharge effect is good, the residual gas inside the tank body is reduced, and the utilization rate is high.

Description

Technical Field

[0001] The present invention relates to a gas storage device, and particularly to a photovoltaic power generation direct-coupling hydrogen production gas storage device, belonging to the technical field of hydrogen production gas storage. Background Art

[0002] The photovoltaic power generation direct-coupling hydrogen production technology is applied in the new energy industry, such as new energy charging piles and hydrogen refueling stations; in the existing patent document "CN205509635U A Distributed New Energy Charging Pile and Hydrogen Refueling Station", the photovoltaic power generation direct-coupling hydrogen production technology is applied, and the produced hydrogen is stored through a storage device after production.

[0003] In the existing patent document "CN215174098U A Large Gas Storage Tank", although it can store gas, during the storage process, due to the change in temperature, the air pressure in the storage tank changes. After the temperature rises, due to the increase in air pressure, the pressure borne by the tank body will increase, increasing the burden, and there is no structure for providing pressure relief design for the tank body after heating, so it is not easy to perform pressure relief treatment. Currently, there is no photovoltaic power generation direct-coupling hydrogen production gas storage device. Summary of the Invention

[0004] In order to solve the deficiencies of the prior art, the present application provides a photovoltaic power generation direct-coupling hydrogen production gas storage device. The disk body assembly has a movable disk structure that can move up and down, a first cylinder, and a second cylinder. At the same time, a spiral spring is provided at the bottom of the movable disk to provide resistance. When storing gas, through the up and down movement of the movable disk and the elastic resistance provided by the spiral spring, it can adapt to the change of the external temperature, resulting in the change of the internal air pressure of the tank body, and can change the internal storage space. When the air pressure rises, the storage space can be increased to reduce the pressure. When the air pressure drops, the storage space can be reduced, causing the movable disk to reset, achieving adaptation to different temperature requirements, avoiding excessive internal air pressure caused by too high temperature, affecting the storage effect, and causing a large pressure on the whole. Through the above-mentioned implementation of the pressure relief design, the use effect is guaranteed; it is used to solve the problem that the storage device in the prior art lacks pressure relief and reduces the air pressure in the storage space after heating.

[0005] Furthermore, it is used to solve the problem that when the storage device discharges gas, there is a lack of a design to improve the gas discharge effect. The inside of the tank body has a disk body assembly that can be adjusted up and down. After storage, when discharging gas, through upward adjustment, the disk body assembly facilitates the discharge of gas, and the discharge effect is better, reducing the residue of the gas inside the tank body, and the utilization rate is higher.

[0006] Regarding the problem that the spiral spring used to provide reset in the simultaneous pressure relief design is not easy to replace, the spiral spring used to block the movable disk adopts a detachable design, which can be disassembled and replaced. During long-term use, it can be replaced conveniently, with a good replacement effect, allowing for quick replacement and reducing the replacement time.

[0007] According to one aspect of the present application, a photovoltaic power generation direct coupling hydrogen production gas storage device is provided, including: a tank body, support feet, a pressure gauge, a connecting pipe, a valve, a short pipe, a flange, and a disk assembly; wherein, four support feet distributed in an annular array are fixedly installed at the bottom of the tank body, a pressure gauge and a connecting pipe are fixedly installed at the top of the tank body, one end of the connecting pipe is communicated and installed with the inside of the tank body, a valve is fixedly installed at the end of the connecting pipe, a short pipe is fixedly sleeved at the end of the valve, and a flange is fixedly installed at the end of the short pipe; a disk assembly for lifting and adjusting is arranged inside the tank body.

[0008] Furthermore, the disk assembly includes: an inner disk, an outer disk, a first cylinder, a second cylinder, a movable disk, a first sealing ring, and a second sealing ring. A threaded hole is formed in the middle of the inner disk. An annular groove is formed between the outer disk and the inner disk. A first sealing ring is fixedly installed on the outer ring of the outer disk, and the first sealing ring is in close contact with the inner wall of the tank body. The inner ring of the outer disk is fixedly sleeved with the top end of the first cylinder. The inner ring of the top end of the second cylinder is fixedly sleeved with the inner disk. A first annular groove and a second annular groove are respectively formed on the inner wall of the first cylinder and the outer wall of the second cylinder. The inner ring and the outer ring of the movable disk are respectively slidably installed in the second annular groove and the first annular groove, and second sealing rings are fixedly installed on the inner ring and the outer ring of the movable disk. The second sealing rings are in close contact with the groove walls of the second annular groove and the first annular groove.

[0009] Furthermore, the threaded hole is threadedly connected with a threaded rod. The two ends of the threaded rod are respectively rotatably installed at the center of the top of the tank body and the center of the bottom of the tank body. The bottom end of the threaded rod is fixedly connected with a connecting shaft. A protective shell is fixedly installed on the outer wall of the bottom of the tank body. The connecting shaft extends into the protective shell and is rotatably installed with the protective shell. A worm gear is fixedly sleeved on the connecting shaft. The worm gear is meshed with a worm. The worm is rotatably installed in the protective shell. A motor is fixedly installed on the outer wall of the protective shell. The output shaft end of the motor is fixedly connected with one end of the worm.

[0010] Furthermore, a plurality of guide blocks are arranged in an annular array around the outer ring of the outer disk. The guide blocks are slidably installed in guide grooves formed on the inner wall of the tank body.

[0011] Further, a plurality of connecting rods distributed in an annular array are fixedly installed between the inner wall of the bottom of the first cylinder and the outer wall of the bottom of the second cylinder.

[0012] Further, a bottom cover is fixedly connected to the bottom of the tank body. The bottom cover is installed in communication with the bottom of the tank body. A plurality of uniformly distributed spiral springs are detachably installed on the inner wall of the bottom of the bottom cover. The top ends of the spiral springs are in contact with the bottom surface of the movable disk.

[0013] Further, the bottom ends of the spiral springs are sleeved on the positioning posts. The positioning posts are fixedly installed with mounting seats. The mounting seats are fitted into the mounting holes opened in the bottom of the bottom cover.

[0014] Further, an inner groove is opened in the mounting seat. The two ends of the inner groove are communicated with the outside of the mounting seat. And positioning blocks are installed at both ends of the inner groove with clearance fit. A cam is arranged in the middle of the inner groove and is located between the two positioning blocks. A knob is rotatably installed at the bottom of the mounting seat. One end of the knob extends into the inner groove. One end of the knob is fixedly connected to the middle of the cam. A clockwork spring is sleeved on the knob. One end of the clockwork spring is fixedly connected to the bottom of the cam. The other end of the clockwork spring is fixedly connected to the bottom wall of the inner groove. The positioning blocks are fitted and connected with the positioning grooves opened on the side wall of the mounting hole.

[0015] Further, a concave hole is opened at one end of the positioning block close to the cam. A magnetic bead is installed in the concave hole with clearance fit. The magnetic bead is magnetically attracted and connected to the side wall of the cam. The positioning block is fixedly connected with a guide rod. The guide rod is connected with a guide sleeve with clearance fit. The guide sleeve is fixedly connected to the top wall of the inner groove.

[0016] Further, a fixed frame is fixedly installed on one side of the tank body. A control cabinet is fixedly installed on the fixed frame. The control cabinet is electrically connected to the motor.

[0017] The advantages of this application are as follows: This hydrogen production and gas storage tank is used to store hydrogen or oxygen generated by direct coupling of photovoltaic power generation for hydrogen production. Compared with the prior art, the inside of the tank body has a disk assembly that can be adjusted up and down. After storage, when discharging gas, by adjusting upward, it is convenient to discharge gas through the disk assembly, the discharge effect is good, the residual gas inside the tank body is reduced, and the utilization rate is relatively high.

[0018] Meanwhile, the disk body assembly has a movable disk structure that can move up and down, as well as a first cylinder and a second cylinder. At the same time, a spiral spring is provided at the bottom of the movable disk to provide resistance. When storing gas, through the up and down movement of the movable disk and the elastic resistance provided by the spiral spring, it can adapt to changes in the external air temperature, causing changes in the internal air pressure of the tank body, and can change the internal storage space. When the air pressure rises, the storage space can be increased to reduce the pressure. When the air pressure drops, the storage space can be reduced, causing the movable disk to reset, achieving adaptation to different temperature requirements, avoiding excessive internal air pressure caused by too high temperature, affecting the storage effect, and causing a large pressure on the whole. Through the above-mentioned implementation of the pressure relief design, the use effect is guaranteed;

[0019] Furthermore, the spiral spring used to block the movable disk adopts a detachable design and can be disassembled and replaced. During long-term use, it can be replaced conveniently, with a good replacement effect, and can be quickly replaced, reducing the replacement time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings forming a part of this application are used to provide a further understanding of this application, making other features, objectives, and advantages of this application more obvious. The schematic embodiments and descriptions thereof of this application are used to explain this application and do not constitute an improper limitation of this application. In the drawings:

[0021] Figure 1 is a schematic structural diagram of a photovoltaic direct-coupling hydrogen production and gas storage device according to an embodiment of this application;

[0022] Figure 2 is Figure 1 a schematic structural diagram of the interior of the tank body and the bottom cover in the illustrated embodiment;

[0023] Figure 3 is Figure 2 a schematic enlarged structural diagram of part A in the illustrated embodiment;

[0024] Figure 4 is Figure 1 a schematic structural diagram of the interior of the protective shell in the illustrated embodiment;

[0025] Figure 5 is Figure 1 a schematic top view structural diagram of the disk body assembly in the illustrated embodiment;

[0026] Figure 6 is Figure 1 a schematic structural diagram of the connection between the first cylinder and the second cylinder in the illustrated embodiment;

[0027] Figure 7 is Figure 1 a schematic structural diagram of the bottom of the tank body in the illustrated embodiment;

[0028] Figure 8 is Figure 1 Schematic diagram of the distribution of the connecting rod and the helical spring in the illustrated embodiment;

[0029] Figure 9 is Figure 1 Schematic diagram of the installation of the mounting seat in the illustrated embodiment;

[0030] Figure 10 is Figure 1 Top view schematic diagram of the internal structure of the inner groove in the illustrated embodiment.

[0031] Meanings of the reference numerals in the figure: 1, tank body; 2, support feet; 3, pressure gauge; 4, connecting pipe; 5, valve; 6, short pipe; 7, flange; 8, bottom cover; 9, fixing frame; 10, control cabinet; 11, threaded rod; 12, protective shell; 13, inner disc; 14, outer disc; 1401, guide block; 15, first sealing ring; 16, threaded hole; 17, first cylinder; 18, first annular groove; 19, movable disc; 20, second sealing ring; 21, helical spring; 22, mounting seat; 23, mounting hole; 24, connecting shaft; 25, motor; 26, worm gear; 27, worm; 28, second cylinder; 29, second annular groove; 30, connecting rod; 31, inner groove; 32, cam; 33, knob; 34, clockwork spring; 35, positioning block; 36, positioning groove; 37, guide sleeve; 38, guide rod; 39, magnetic bead; 40, concave hole; 41, positioning post. Detailed implementation manners

[0032] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily need to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of this application described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0034] In this application, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

[0035] Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0036] In addition, the terms "install", "set", "provided with", "connect", "connected", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will refer to the drawings and combine with embodiments to detail this application.

[0038] Refer to Figures 1 to 10 , a photovoltaic power generation direct-coupling hydrogen production and gas storage device, comprising: a tank body 1, support feet 2, a pressure gauge 3, a connecting pipe 4, a valve 5, a short pipe 6, a flange 7 and a disc assembly.

[0039] As Figure 1As shown, as a specific solution, four support feet 2 distributed in a circular array are fixedly installed at the bottom of the tank body 1. A pressure gauge 3 and a connecting pipe 4 are fixedly installed at the top of the tank body 1. One end of the connecting pipe 4 is communicated and installed with the inside of the tank body 1. A valve 5 is fixedly installed at the end of the connecting pipe 4. A short pipe 6 is fixedly sleeved at the end of the valve 5. A flange 7 is fixedly installed at the end of the short pipe 6 and is connected to an external pipeline through the flange 7. The gas generated by direct photovoltaic coupling hydrogen production is generated by an electrolytic cell, and after being generated, it is transported to an external pressurization device through an external pipeline, and then transported to the short pipe 6. The valve 5 is opened, and the gas enters the connecting pipe 4 through the valve 5 and then enters the tank body 1 for storage. The pressure inside the tank body 1 is displayed by the pressure gauge 3. When the pressure reaches the tolerable range, the valve 5 is closed.

[0040] As Figure 2 shown, as a specific solution, a disk assembly for lifting and adjusting is arranged inside the tank body 1. The disk assembly squeezes the gas inside the tank body 1 through lifting, which is convenient for discharging the stored gas and improves the discharging effect. There is a disk assembly with lift-adjustable function inside the tank body 1. After storage, when discharging the gas, by adjusting upward, the disk assembly is convenient for discharging the gas, and the discharging effect is good, reducing the residual gas inside the tank body 1 and having a high utilization rate.

[0041] As Figure 2 and Figure 3As shown, as a specific solution, the disk assembly includes: an inner disk 13, an outer disk 14, a first cylinder 17, a second cylinder 28, a movable disk 19, a first sealing ring 15, and a second sealing ring 20. A threaded hole 16 is provided in the middle of the inner disk 13. An annular groove is formed between the outer disk 14 and the inner disk 13. A first sealing ring 15 is fixedly installed on the outer ring of the outer disk 14, and the first sealing ring 15 is in close contact with the inner wall of the tank body 1. The inner ring of the outer disk 14 is fixedly sleeved with the top end of the first cylinder 17. The inner ring of the top end of the second cylinder 28 is fixedly sleeved with the inner disk 13. A first annular groove 18 and a second annular groove 29 are respectively provided on the inner wall of the first cylinder 17 and the outer wall of the second cylinder 28. The inner ring and the outer ring of the movable disk 19 are respectively slidably installed in the second annular groove 29 and the first annular groove 18, and second sealing rings 20 are fixedly installed on both the inner ring and the outer ring of the movable disk 19. The second sealing rings 20 are in close contact with the groove walls of the second annular groove 29 and the first annular groove 18. The disk assembly is different from the disk structure in the prior art. It has a movable disk 19 structure that can move up and down to adjust its position, as well as the first cylinder 17 and the second cylinder 28. It can be applied to the change of the internal air pressure of the tank body 1 caused by the change of the external air temperature, and can change the internal storage space. When the air pressure rises, the storage space can be increased to reduce the pressure, avoiding the excessive internal air pressure caused by too high temperature, which affects the storage effect and causes a large pressure on the whole. Through the above-mentioned implementation of the pressure relief design, the use effect is guaranteed.

[0042] As Figure 2 and Figure 4 shown, as a specific solution, the threaded hole 16 is threadedly connected with a threaded rod 11. The two ends of the threaded rod 11 are respectively rotatably installed at the center of the top of the tank body 1 and the center of the bottom of the tank body 1. The bottom end of the threaded rod 11 is fixedly connected with a connecting shaft 24. A protective shell 12 is fixedly installed on the outer wall of the bottom of the tank body 1. The connecting shaft 24 extends into the inside of the protective shell 12, and the connecting shaft 24 is rotatably installed with the protective shell 12. The connecting shaft 24 is fixedly sleeved with a worm gear 26. The worm gear 26 is meshed with a worm 27. The worm 27 is rotatably installed in the protective shell 12. A motor 25 is fixedly installed on the outer wall of the protective shell 12. The output shaft end of the motor 25 is fixedly connected with one end of the worm 27. By driving the worm 27 to rotate through the motor 25, through the meshing transmission between the worm 27 and the worm gear 26, the connecting shaft 24 is driven to rotate, so as to drive the threaded rod 11 to rotate. Through the threaded connection between the threaded rod 11 and the threaded hole 16, and the guiding action between the guide block 1401 and the guide groove, the disk assembly can move upward. During the upward movement, the gas in the tank body 1 can be pressed out, which is convenient for the discharge of the gas and improves the utilization rate of the gas inside the tank body 1.

[0043] As shown Figure 5 As a specific solution, a plurality of guide blocks 1401 are arranged in a circular array around the outer circumference of the outer disk 14. The guide blocks 1401 are slidably installed in the guide grooves opened on the inner wall of the tank body 1. Through the design of the guide blocks 1401 and the guide grooves, it provides guidance for the up and down movement of the disk assembly and ensures the up and down movement adjustment of the disk assembly.

[0044] As shown Figure 6 As a specific solution, a plurality of link rods 30 distributed in a circular array are fixedly installed between the bottom inner wall of the first cylinder 17 and the bottom outer wall of the second cylinder 28, providing a fixed connection between the first cylinder 17 and the second cylinder 28. It is arranged below to avoid blocking the downward movement of the movable disk 19.

[0045] As shown Figure 7 As a specific solution, it shows the staggered distribution of the helical springs 21 and the link rods 30, avoiding the link rods 30 blocking the helical springs 21.

[0046] As shown Figure 3 As a specific solution, a bottom cover 8 is fixedly connected to the bottom of the tank body 1. The bottom cover 8 is connected and installed in communication with the bottom of the tank body 1. A plurality of uniformly distributed helical springs 21 are detachably installed on the bottom inner wall of the bottom cover 8. The top ends of the helical springs 21 are in contact with the bottom surface of the movable disk 19. The bottom of the movable disk 19 has the helical springs 21 to provide a block, which is used to provide an elastic block during the downward movement of the movable disk 19 to counteract the air pressure acting on the top of the movable disk 19.

[0047] As shown Figure 9 and Figure 10As shown, as a specific solution, the bottom end of the helical spring 21 is sleeved on the positioning post 41, and an installation seat 22 is fixedly installed on the positioning post 41. The installation seat 22 is fitted into an installation hole 23 opened at the bottom of the bottom cover 8. An inner groove 31 is opened inside the installation seat 22. Both ends of the inner groove 31 communicate with the outside of the installation seat 22, and positioning blocks 35 are installed at both ends of the inner groove 31 with a clearance fit. A cam 32 is arranged in the middle of the inner groove 31, and the cam 32 is located between the two positioning blocks 35. A knob 33 is rotatably installed at the bottom of the installation seat 22. One end of the knob 33 extends into the inner groove 31, and one end of the knob 33 is fixedly connected to the middle of the cam 32. A clockwork spring 34 is sleeved on the knob 33. One end of the clockwork spring 34 is fixedly connected to the bottom of the cam 32, and the other end of the clockwork spring 34 is fixedly connected to the bottom groove wall of the inner groove 31. The positioning block 35 is fitted and connected to a positioning groove 36 opened on the side wall of the installation hole 23. A concave hole 40 is opened at one end of the positioning block 35 close to the cam 32. A magnetic bead 39 is installed in the concave hole 40 with a clearance fit, and the magnetic bead 39 is magnetically attracted to the side wall of the cam 32. The positioning block is fixedly connected to a guide rod 38, and the guide rod 38 is connected to a guide sleeve 37 with a clearance fit. The guide sleeve 37 is fixedly connected to the top groove wall of the inner groove 31. When the internal helical spring 21 needs to be replaced, hold the installation seat 22 with one hand and turn the knob 33 with the other hand to make the cam 32 rotate 90°. When rotating 90°, due to the shape of the cam 32 itself, the magnetic attraction position of the magnetic bead 39 is changed. Through the magnetic attraction effect, the positioning block 35 moves inward into the inner groove 31, and the positioning block 35 is separated from the positioning groove 36 to cancel the positioning. At the same time, when rotating, the clockwork spring 34 is deformed and has a restoring elastic force. Pull the installation seat 22 downward to make the installation seat 22 separated from the installation hole 23, and the helical spring 21 is separated from the bottom cover 8. Then, the helical spring 21 can be removed. When a new helical spring 21 is sleeved on the positioning post 41 and reinstalled, turn the knob 33 90° to make the positioning block 35 retract to both ends of the inner groove 31. Insert the installation seat 22 into the positioning hole, release the knob 33, and due to the elastic force of the clockwork spring 34, the cam 32 is reset. Thus, the cam 32 pushes the positioning block 35 to move, and the movement is guided through the inner groove 31 to make the positioning block 35 reinsert into the positioning groove 36 to complete the installation and replacement of the helical spring 21.

[0048] A fixed frame 9 is fixedly installed on one side of the tank body 1. A control cabinet 10 is fixedly installed on the fixed frame 9. The control cabinet 10 is electrically connected to the motor 25. The opening and closing of the motor 25 are controlled through the control cabinet 10. A servo motor controller is provided inside the control cabinet 10, and control buttons are provided on the shell of the control cabinet 10 to provide a manual control position. Among them, the motor is a servo motor.

[0049] When storing gas, the disk assembly is located at the bottom of the tank body 1. There is a sealing gasket under the inner disk 13 in the middle of the disk assembly, which is in close contact with the bottom of the tank body 1.

[0050] Usage method: When the entire hydrogen production and gas storage device is in use, it is connected to an external pipeline through the flange 7. The gas generated by direct photovoltaic coupling hydrogen production is generated by the electrolytic cell, and after generation, it is transported through an external pipeline to an external pressurization device, and then transported to the short pipe 6. The valve 5 is opened, and the gas enters the connecting pipe 4 through the valve 5, and then enters the tank body 1 for storage. The air pressure inside the tank body 1 is displayed by the pressure gauge 3. When the air pressure reaches the tolerable range, the valve 5 is closed.

[0051] During storage, the contact flange 7 is connected to the external pipeline. During daily storage, as the external temperature rises, the air pressure inside the tank body 1 increases, which causes the air pressure on the top of the movable disk 19 to increase, so that the movable disk 19 moves downward, compressing the helical spring 21. When the air pressure is equal to the elastic force of the helical spring 21, the downward movement stops. During the downward movement, the space for storing gas is increased, thus realizing the pressure relief function after heating. When the temperature drops, the air pressure inside the tank body 1 decreases, which causes the pressure on the top of the movable disk 19 to decrease. Due to the elastic force of the helical spring 21, the movable disk 19 moves upward to reset, reducing the storage space size.

[0052] When discharging the stored gas, it is connected to the equipment that needs to use gas through the flange 7. By opening the valve 5, the gas inside the tank body 1 is discharged through the connecting pipe 4, the valve 5, and the short pipe 6. When the air pressure inside the tank body 1 drops to the point where it cannot exhaust gas by its own air pressure, the motor 25 drives the worm 27 to rotate. Through the meshing transmission between the worm 27 and the worm gear 26, the connecting shaft 24 rotates, thereby driving the threaded rod 11 to rotate. Through the threaded connection between the threaded rod 11 and the threaded hole 16, and the guiding effect between the guide block 1401 and the guide groove, the disk assembly can move upward. During the upward movement, the gas in the tank body 1 can be pressed out, facilitating the discharge of gas and improving the utilization rate of the gas inside the tank body 1.

[0053] After the entire tank body 1 has been used for a long time, the internal spiral spring 21 needs to be replaced. By holding the mounting seat 22 with one hand and turning the knob 33 with the other hand, the cam 32 is rotated by 90°. When rotated by 90°, due to the shape of the cam 32 itself, the magnetic attraction position of the magnetic bead 39 is changed. Through the magnetic attraction effect, the positioning block 35 moves inward into the inner groove 31, and the positioning block 35 disengages from the positioning groove 36, canceling the positioning. At the same time, when rotating, the clockwork spring 34 is deformed and has a restoring elastic force, pulling the mounting seat 22 downward, causing the mounting seat 22 to disengage from the mounting hole 23, and the spiral spring 21 disengages from the bottom cover 8. Then, the spiral spring 21 can be removed. A new spiral spring 21 is sleeved on the positioning column 41. When reinstalling, the knob 33 is rotated by 90°, so that the positioning block 35 is received at both ends of the inner groove 31. The mounting seat 22 is inserted into the positioning hole, and the knob 33 is released. Due to the elastic force of the clockwork spring 34, the cam 32 is reset. Thus, the cam 32 pushes the positioning block 35 to move, and the movement is guided through the inner groove 31, causing the positioning block 35 to be inserted back into the positioning groove 36, completing the installation and replacement of the spiral spring 21.

[0054] The above are only specific embodiments of the present application and are not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A photovoltaic power generation direct coupling hydrogen production and gas storage device, characterized in that: comprising: a tank body (1), support feet (2), a pressure gauge (3), a connecting pipe (4), a valve (5), a short pipe (6), a flange (7) and a disc assembly; wherein, four support feet (2) distributed in an annular array are fixedly installed at the bottom of the tank body (1), a pressure gauge (3) and a connecting pipe (4) are fixedly installed at the top of the tank body (1), one end of the connecting pipe (4) is communicated and installed with the inside of the tank body (1), a valve (5) is fixedly installed at the end of the connecting pipe (4), a short pipe (6) is fixedly sleeved at the end of the valve (5), and a flange (7) is fixedly installed at the end of the short pipe (6); Inside the tank body (1), a disk assembly with lifting adjustment is provided; the disk assembly includes: an inner disk (13), an outer disk (14), a first cylinder (17), a second cylinder (28), a movable disk (19), a first sealing ring (15), and a second sealing ring (20). A threaded hole (16) is formed in the middle of the inner disk (13). An annular groove is formed between the outer disk (14) and the inner disk (13). A first sealing ring (15) is fixedly installed on the outer ring of the outer disk (14), and the first sealing ring (15) is in close contact with the inner wall of the tank body (1). The inner ring of the outer disk (14) is fixedly sleeved with the top end of the first cylinder (17). The inner ring of the top end of the second cylinder (28) is fixedly sleeved with the inner disk (13). A first annular groove (18) and a second annular groove (29) are respectively formed on the inner wall of the first cylinder (17) and the outer wall of the second cylinder (28). The inner ring and the outer ring of the movable disk (19) are respectively slidably installed in the second annular groove (29) and the first annular groove (18), and second sealing rings (20) are fixedly installed on both the inner ring and the outer ring of the movable disk (19). The second sealing rings (20) are in close contact with the groove walls of the second annular groove (29) and the first annular groove (18). The threaded hole (16) is threadedly connected to a threaded rod (11). The two ends of the threaded rod (11) are respectively rotatably installed at the center of the top of the tank body (1) and the center of the bottom of the tank body (1). The bottom end of the threaded rod (11) is fixedly connected to a connecting shaft (24). A protective shell (12) is fixedly installed on the outer wall of the bottom of the tank body (1). The connecting shaft (24) extends into the protective shell (12), and the connecting shaft (24) is rotatably installed with the protective shell (12). A worm gear (26) is fixedly sleeved on the connecting shaft (24). The worm gear (26) is meshed with a worm (27). The worm (27) is rotatably installed inside the protective shell (12). A motor (25) is fixedly installed on the outer wall of the protective shell (12). The output shaft end of the motor (25) is fixedly connected to one end of the worm (27). A plurality of guide blocks (1401) are arranged in an annular array around the outer ring of the outer disk (14). The guide blocks (1401) are slidably installed in guide grooves formed on the inner wall of the tank body (1). A plurality of connecting rods (30) distributed in an annular array are fixedly installed between the bottom inner wall of the first cylinder (17) and the bottom outer wall of the second cylinder (28). The bottom of the tank body (1) is fixedly connected to a bottom cover (8). The bottom cover (8) is connected and installed in communication with the bottom of the tank body (1). A plurality of uniformly distributed spiral springs (21) are detachably installed on the bottom inner wall of the bottom cover (8). The top ends of the spiral springs (21) are in contact with the bottom disk surface of the movable disk (19).

2. The direct-coupling hydrogen production and gas storage device for photovoltaic power generation according to claim 1, characterized in that: The bottom end of the helical spring (21) is sleeved on the positioning column (41), and the positioning column (41) is fixedly installed with a mounting seat (22), and the mounting seat (22) is fitted into a mounting hole (23) opened at the bottom of the bottom cover (8).

3. A photovoltaic power generation direct coupling hydrogen production gas storage device according to claim 2, wherein: An inner groove (31) is opened inside the mounting seat (22), both ends of the inner groove (31) communicate with the outside of the mounting seat (22), and positioning blocks (35) are installed at both ends of the inner groove (31) with a clearance fit. A cam (32) is arranged in the middle of the inner groove (31), and the cam (32) is located between the two positioning blocks (35). A knob (33) is rotatably installed at the bottom of the mounting seat (22), and one end of the knob (33) extends into the inner groove (31). One end of the knob (33) is fixedly connected to the middle of the cam (32). A clockwork spring (34) is sleeved on the knob (33). One end of the clockwork spring (34) is fixedly connected to the bottom of the cam (32), and the other end of the clockwork spring (34) is fixedly connected to the bottom groove wall of the inner groove (31). The positioning block (35) is fitted and connected with a positioning groove (36) opened on the side wall of the mounting hole (23).

4. A photovoltaic power generation direct coupling hydrogen production gas storage device according to claim 3, wherein: A concave hole (40) is opened at one end of the positioning block (35) close to the cam (32), and a magnetic bead (39) is installed in the concave hole (40) with a clearance fit. The magnetic bead (39) is magnetically attracted and connected to the side wall of the cam (32); the positioning block is fixedly connected with a guide rod (38), and the guide rod (38) is connected with a guide sleeve (37) with a clearance fit. The guide sleeve (37) is fixedly connected to the top groove wall of the inner groove (31).

5. A photovoltaic power generation direct coupling hydrogen production gas storage device according to claim 1, wherein: A fixing frame (9) is fixedly installed on one side of the tank body (1), and a control cabinet (10) is fixedly installed on the fixing frame (9). The control cabinet (10) is electrically connected to the motor (25).

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