Hydrogen storage alloy-based hydride hydrogen storage equipment and hydrogen storage method

Abstract

The invention discloses hydride hydrogen storage equipment based on hydrogen storage alloy, the hydride hydrogen storage equipment comprises a lifting mechanism and a clamping mechanism, the lifting mechanism comprises a base, a plurality of lifting grooves are formed in the upper end of the base, lifting assemblies are mounted in the lifting grooves, and each lifting assembly comprises a lifting seat, a damping spring, a carrier plate and a first spring; the lifting seat is slidably mounted in the lifting groove, the damping spring is fixedly connected with the lifting groove and the lifting seat, a limiting groove is formed in the upper end of the lifting seat, the carrier plate is slidably mounted in the limiting groove, the first spring is fixedly connected with the limiting groove and the carrier plate, and when the lifting seat moves to the lowest position, the base locks the lifting seat. The locking state of the lifting base can be relieved in the process that the carrier plate moves downwards in the limiting groove. By means of the structural arrangement, the clamping frame and the hydrogen filling assembly are matched, hydrogen storage bottles are clamped and filled with hydrogen, storage, transportation and hydrogen filling of the multiple hydrogen storage bottles are facilitated, and the hydrogen filling efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of metal hydride hydrogen storage equipment, and in particular to a hydride hydrogen storage equipment based on a hydrogen storage alloy. Background Art

[0002] The current hydrogen storage methods are divided into: high-pressure gaseous hydrogen storage, liquid hydrogen storage and solid hydrogen storage using hydrogen storage materials as the medium. Since solid hydrogen storage has the advantages of high volume hydrogen storage density, low pressure safety and high hydrogen purity, solid hydrogen storage is an important direction for the future development of hydrogen storage technology.

[0003] The existing metal hydride hydrogen storage equipment has the following shortcomings: The existing technology for solid-state hydrogen storage mostly uses a single hydrogen storage bottle, which is inconvenient to transport, store and fill, and has low hydrogen filling efficiency, which is not conducive to use; The hydrogen storage alloy bed needs to release a large amount of heat when absorbing hydrogen. The existing metal hydride hydrogen storage bottles do not have a good heat dissipation structure. The thermal stress of the hydrogen storage alloy can easily damage the container shell, resulting in a shortened service life of the equipment. Summary of the invention

[0004] The purpose of the present application is to provide a hydride hydrogen storage device based on a hydrogen storage alloy, wherein a plurality of lifting grooves are provided at the upper end of the base, and a lifting assembly is installed in the lifting grooves, and the lifting assembly includes a lifting seat, a damping spring, a carrier plate and a first spring, the lifting seat is slidably installed in the lifting grooves, the lower end of the damping spring is fixedly connected to the lower end of the lifting grooves, the upper end of the damping spring is fixedly connected to the lower end of the lifting seat, the upper end of the lifting seat is provided with a limiting groove, the carrier plate is slidably installed in the limiting groove, the lower end of the first spring is fixedly connected to the lower end of the limiting groove, and the upper end of the first spring It is fixedly connected to the lower end of the carrier plate. The base will lock the lifting seat when it moves to the lowest point. The process of the carrier plate moving downward in the limit groove can release the locking state of the lifting seat. The hydrogen storage bottle is placed on the carrier plate, and the hydrogen storage bottle presses down the carrier plate. The process of the carrier plate moving downward in the limit groove can release the locking state of the lifting seat. The lifting seat moves upward under the action of the damping spring, pushing the hydrogen storage bottle upward, and cooperating with the clamping frame and the hydrogen charging assembly to clamp and charge the hydrogen storage bottle, which is convenient for the storage, transportation and charging of multiple hydrogen storage bottles and improves the hydrogen charging efficiency.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a hydride hydrogen storage device based on hydrogen storage alloy, comprising a plurality of hydrogen storage bottles, wherein the hydrogen storage bottles comprise a bottle body, a filter, a bottle mouth valve and an air guide tube, wherein the bottle body is filled with a hydrogen storage alloy bed, wherein the bottle mouth valve is fixedly mounted on the top of the bottle body, wherein the bottle mouth valve, the filter and the air guide tube are fixedly connected in sequence from top to bottom, and further comprising a lifting mechanism and a clamping mechanism, wherein the lifting mechanism comprises a base, wherein a plurality of universal wheels are fixedly mounted on the lower end of the base, and a plurality of universal wheels are provided on the upper end of the base. A lifting slot is provided, wherein a lifting assembly is installed in the lifting slot, wherein the lifting assembly comprises a lifting seat, a damping spring, a carrier plate and a first spring, wherein the lifting seat is slidably installed in the lifting slot, wherein the lower end of the damping spring is fixedly connected to the lower end of the lifting slot, wherein the upper end of the damping spring is fixedly connected to the lower end of the lifting seat, wherein a limiting slot is provided at the upper end of the lifting seat, wherein the carrier plate is slidably installed in the limiting slot, wherein the lower end of the first spring is fixedly connected to the lower end of the limiting slot, wherein the upper end of the first spring is fixedly connected to the lower end of the carrier plate, wherein the lifting seat When the carrier plate moves to the bottom, the base will lock it. The process of the carrier plate moving downward in the limit groove can release the locking state of the lifting seat; the clamping mechanism includes a top plate, a plurality of clamping frames, a plurality of connecting sleeves and a hydrogen filling assembly. The top plate is arranged above the base. A plurality of columns are fixedly installed between the top plate and the base. A plurality of the clamping frames, a plurality of connecting sleeves and the hydrogen filling assembly are all fixedly installed on the top plate. A plurality of the connecting sleeves are all connected to the hydrogen filling assembly. Each hydrogen storage bottle is arranged between the corresponding carrier plate and the corresponding clamping frame. The hydrogen storage bottle includes a bottle body. A plurality of heat-conducting baffles are fixedly installed inside the bottle body. A plurality of heat sinks are fixedly installed on the outer wall of the hydrogen storage bottle. A heat-conducting rod is fixedly installed on the hydrogen storage bottle. One end of the heat-conducting rod is fixedly connected to a plurality of heat-conducting baffles. The other end of the heat-conducting rod is fixedly connected to a plurality of heat sinks. A connector is fixedly installed on the top of the hydrogen storage bottle. The connector is connected to the bottle mouth valve. When one end of the connector is inserted into one end of the connecting sleeve, the two are connected. When the connector is separated from the connecting sleeve, both are in a sealed state.

[0006] Preferably, a vertical plate is fixedly installed in the lifting slot, a first through hole is provided on the top of the vertical plate, first clamping blocks are slidably installed on both sides of the first through hole, the upper end surface of the first clamping block is inclined, a second spring is provided in the first through hole, the two ends of the second spring are respectively fixedly connected to the two first clamping blocks, a boss is fixedly installed in the limiting slot, a vertical plate slot is provided at the lower end of the boss, and second through holes are provided on both sides of the boss; a second clamping block is slidably installed in the second through hole, the upper end surface of the second clamping block is inclined, a boss slot is provided at the lower end of the carrier plate, and flip plates are installed on both sides of the boss slot through spring hinges.

[0007] Preferably, a pedal is fixedly mounted on the top of the lifting seat, a plurality of pedal grooves are provided on the upper end of the base, and each of the pedals is arranged above a corresponding pedal groove.

[0008] Preferably, the clamping frame includes an arc-shaped connecting rod and multiple vertical rods, the multiple vertical rods are fixedly installed on the lower end of the top plate, the arc-shaped connecting rod is fixedly connected to the multiple vertical rods, and the shapes of the lower end surfaces of the multiple vertical rods are consistent with the shape of the upper end surface of the bottle body.

[0009] Preferably, the hydrogen charging assembly includes multiple safety valves, connecting pipelines, pressure reducing valves and charging pipes. The pressure reducing valve is fixedly installed on the upper end of the top plate. One end of the charging pipe is connected to the air inlet end of the pressure reducing valve, and the other end of the charging pipe is connected to the hydrogen-using equipment. The connecting pipeline is connected to the air outlet end of the pressure reducing valve. Multiple safety valves are connected to the connecting pipeline, and each safety valve is connected to the corresponding connecting sleeve.

[0010] Preferably, a plurality of the heat-conducting baffles are arranged in parallel and equidistantly, and a plurality of material passage holes are provided on the heat-conducting baffles.

[0011] Preferably, the connecting sleeve includes a first shell, a first fixed frame, a first movable member and a third spring, the first shell is fixedly mounted on the top plate, the first fixed frame is fixedly mounted on the top of the first shell, the first movable member is slidably mounted on the first fixed frame, a first conical block is fixedly mounted on the middle part of the first movable member, the third spring is sleeved on the first movable member, and the third spring is arranged between the first fixed frame and the first conical block, a first bevel ring is fixedly mounted on the inner wall of the first shell, the first bevel ring is fitted with the bevel of the first conical block, and a first sealing gasket is sleeved on the bevel of the first conical block.

[0012] Preferably, the connector includes a second shell, a second fixed frame, a second movable member and a fourth spring, the second shell is fixedly mounted on the bottle mouth valve, the second fixed frame is fixedly mounted on the top of the second shell, the second movable member is slidably mounted on the second fixed frame, a second conical block is fixedly mounted on the middle part of the second movable member, the fourth spring is sleeved on the second movable member, and the fourth spring is arranged between the second fixed frame and the second conical block, a second bevel ring is fixedly mounted on the inner wall of the second shell, the second bevel ring is fitted with the bevel of the second conical block, and a second sealing gasket is sleeved on the bevel of the second conical block.

[0013] Preferably, a connecting groove is provided at one end of the first shell, the diameter of the connecting groove is the same as the diameter of one end of the second shell, and a sealing ring is embedded on the inner wall of the connecting groove.

[0014] Preferably, the present invention also provides a method for storing hydrogen, comprising the following steps: Initially, the lifting seat is in a locked state, the hydrogen storage bottle is placed on the carrier plate, the hydrogen storage bottle presses down the carrier plate, the bottom of the bottle body is embedded in the limit groove, the hydrogen storage bottle is limited, the carrier plate moves down in the limit groove, and the locking state of the lifting seat is released, the lifting seat moves upward under the action of the damping spring, pushing the hydrogen storage bottle upward, the upper end surface of the bottle body contacts and abuts against the clamping frame, the hydrogen storage bottle is clamped and fixed, the connector is inserted into the connecting sleeve, so that the bottle body is connected with the hydrogen charging assembly; Hydrogen is injected into the bottle through the hydrogen filling assembly, and the generated heat is transferred to the heat sink through the heat-conducting baffle and the heat-conducting rod. After the filling is completed, the hydrogen filling assembly stops filling, and the hydrogen storage bottle is stored on the lifting mechanism and then moved and transported; When using the hydrogen storage bottle, push the lifting seat downward to re-lock it. The bottle body moves downward with the lifting seat and disengages from the clamping frame. The connecting head disengages from the connecting sleeve and is in a sealed state. The hydrogen storage bottle can be taken out for normal use. After taking out the hydrogen storage bottle, the carrier plate is reset under the action of the first spring. After the hydrogen storage bottle is used, repeat the above operation to store and inflate it.

[0015] In summary, the technical effects and advantages of the present invention are as follows: 1. In the present invention, a plurality of lifting slots are provided at the upper end of the base, and a lifting assembly is installed in the lifting slots. The lifting assembly includes a lifting seat, a damping spring, a carrier plate and a first spring. The lifting seat is slidably installed in the lifting slots, the lower end of the damping spring is fixedly connected to the lower end of the lifting slot, the upper end of the damping spring is fixedly connected to the lower end of the lifting seat, the upper end of the lifting seat is provided with a limiting slot, the carrier plate is slidably installed in the limiting slot, the lower end of the first spring is fixedly connected to the lower end of the limiting slot, and the upper end of the first spring is fixedly connected to the lower end of the carrier plate When the lifting seat moves to the lowest position, the base will lock it. The lifting seat can be unlocked when the carrier plate moves downward in the limit groove. The hydrogen storage bottle is placed on the carrier plate, and the hydrogen storage bottle presses down on the carrier plate. The lifting seat can be unlocked when the carrier plate moves downward in the limit groove. The lifting seat moves upward under the action of the damping spring, pushing the hydrogen storage bottle upward, and cooperating with the clamping frame and the hydrogen charging assembly to clamp and charge the hydrogen storage bottle, which facilitates the storage, transportation and charging of multiple hydrogen storage bottles and improves the hydrogen charging efficiency.

[0016] 2. In the present invention, the hydrogen storage bottle includes a bottle body, a plurality of heat-conducting baffles are fixedly installed inside the bottle body, a plurality of heat sinks are fixedly installed on the outer wall of the hydrogen storage bottle, a heat-conducting rod is fixedly installed on the hydrogen storage bottle, one end of the heat-conducting rod is fixedly connected to the plurality of heat-conducting baffles, and the other end of the heat-conducting rod is fixedly connected to the plurality of heat sinks. The heat generated by hydrogen filling is transferred to the heat sink through the heat-conducting baffles and the heat-conducting rod, thereby improving the heat dissipation efficiency, reducing the damage of the thermal stress of the hydrogen storage alloy to the bottle body, and increasing the service life of the hydrogen storage bottle.

[0017] 3. In the present invention, a connector is provided on the hydrogen storage bottle, a connecting sleeve is provided on the clamping mechanism, and the connecting sleeve is connected to the hydrogen charging assembly. When one end of the connector is inserted into one end of the connecting sleeve, the two are connected, and when the connector is separated from the connecting sleeve, both are in a sealed state, thereby improving the convenience of connecting and separating the hydrogen storage bottle and the hydrogen charging assembly, and further improving the hydrogen charging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention without a hydrogen storage bottle; Figure 3 It is a schematic cross-sectional structure diagram of the lifting mechanism of the present invention; Figure 4 It is a schematic diagram of the cross-section structure of the clamping mechanism of the present invention; Figure 5 It is a structural schematic diagram of the hydrogen storage bottle of the present invention; Figure 6 It is a schematic diagram of the cross-section structure of the hydrogen storage bottle of the present invention; Figure 7 For the present invention Figure 4 Enlarged view of point A in the middle; Figure 8 It is a schematic diagram of the cross-section structure of the connector of the present invention.

[0020] In the figure: 1. lifting mechanism; 101. base; 102. lifting slot; 103. lifting seat; 104. pedal; 105. damping spring; 106. vertical plate; 107. first clamping block; 108. second spring; 109. carrier plate; 110. flip plate; 111. boss; 112. second clamping block; 113. universal wheel; 2. clamping mechanism; 201. top plate; 202. clamping frame; 203. connecting sleeve; 2031. first housing; 2032. first fixing frame; 2033. first moving member; 2034. third spring; 2035 , first sealing gasket; 2036, connecting groove; 2037, sealing ring; 204, safety valve; 205, connecting pipeline; 206, pressure reducing valve; 207, charging pipeline; 3, column; 4, hydrogen storage bottle; 401, bottle body; 402, filter; 403, bottle mouth valve; 404, connector; 4041, second shell; 4042, second fixed frame; 4043, second moving part; 4044, fourth spring; 4045, second sealing gasket; 405, air guide pipe; 406, heat conductive baffle; 407, heat sink; 408, heat conductive rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example: Reference Figure 1 - Figure 3A hydride hydrogen storage device based on a hydrogen storage alloy is shown, comprising a plurality of hydrogen storage bottles 4, wherein the hydrogen storage bottles 4 comprise a bottle body 401, a filter 402, a bottle mouth valve 403 and an air guide tube 405, wherein the bottle body 401 is filled with a hydrogen storage alloy bed, wherein the bottle mouth valve 403 is fixedly mounted on the top of the bottle body 401, wherein the bottle mouth valve 403, the filter 402 and the air guide tube 405 are fixedly connected in sequence from top to bottom, and further comprising a lifting mechanism 1 and a clamping mechanism 2, wherein the lifting mechanism 1 comprises a base 101, wherein a plurality of universal wheels 113 are fixedly mounted on the lower end of the base 101, wherein a plurality of lifting slots 102 are provided on the upper end of the base 101, wherein a lifting assembly is installed in the lifting slot 102, wherein the lifting assembly comprises a lifting seat 103, a damping spring 105, a carrier plate 109 and a first spring, wherein the lifting seat 103 is slidably mounted on In the lifting groove 102, the lower end of the damping spring 105 is fixedly connected to the lower end of the lifting groove 102, and the upper end of the damping spring 105 is fixedly connected to the lower end of the lifting seat 103. The upper end of the lifting seat 103 is provided with a limiting groove, and the carrier plate 109 is slidably installed in the limiting groove. The lower end of the first spring is fixedly connected to the lower end of the limiting groove, and the upper end of the first spring is fixedly connected to the lower end of the carrier plate 109. When the lifting seat 103 moves to the lowest point, the base 101 will lock it. Initially, the lifting seat 103 is in a locked state, and the hydrogen storage bottle 4 is placed on the carrier plate 109, and the hydrogen storage bottle 4 presses down the carrier plate 109. The process of the carrier plate 109 moving downward in the limiting groove can release the locking state of the lifting seat 103, and the lifting seat 103 moves upward under the action of the damping spring 105, pushing the hydrogen storage bottle 4 to move upward.

[0023] like Figure 4 As shown, the clamping mechanism 2 includes a top plate 201, a plurality of clamping frames 202, a plurality of connecting sleeves 203 and a hydrogen charging assembly. The top plate 201 is arranged above the base 101. A plurality of columns 3 are fixedly installed between the top plate 201 and the base 101. The plurality of clamping frames 202, the plurality of connecting sleeves 203 and the hydrogen charging assembly are all fixedly installed on the top plate 201. The plurality of connecting sleeves 203 are all connected to the hydrogen charging assembly. Each of the hydrogen storage bottles 4 is arranged between the corresponding carrier plate 109 and the corresponding clamping frame 202. The hydrogen storage bottle 4 moves upward with the lifting seat 103 and finally contacts and abuts against the clamping frame 202, so as to clamp and fix the hydrogen storage bottle 4.

[0024] like Figure 5 and Figure 6As shown, the hydrogen storage bottle 4 includes a bottle body 401, a plurality of heat-conducting baffles 406 are fixedly installed inside the bottle body 401, a plurality of heat sinks 407 are fixedly installed on the outer wall of the hydrogen storage bottle 4, a heat-conducting rod 408 is fixedly installed on the hydrogen storage bottle 4, one end of the heat-conducting rod 408 is fixedly connected to the plurality of heat-conducting baffles 406, and the other end of the heat-conducting rod 408 is fixedly connected to the plurality of heat sinks 407, a connector 404 is fixedly installed on the top of the hydrogen storage bottle 4, the connector 404 is connected to the bottle mouth valve 403, and the two are connected when one end of the connector 404 is inserted into one end of the connecting sleeve 203, and the connector 404 is in a sealed state when the connecting sleeve 203 is separated, and during the upward movement of the hydrogen storage bottle 4, the connector 404 is inserted into the connecting sleeve 203, so that the bottle body 401 is connected to the hydrogen filling component, and the hydrogen filling component fills hydrogen into the bottle body 401. Compared with inflating a single hydrogen storage bottle 4, the present device is convenient for inflating multiple hydrogen storage bottles 4 at the same time, and no manual operation is required, which increases the convenience of use and improves the efficiency of hydrogen filling. The heat generated by hydrogen filling is transferred to the heat sink 407 through the heat-conducting partition 406 and the heat-conducting rod 408, thereby improving the heat dissipation efficiency. After the inflation is completed, the hydrogen filling assembly stops inflating, and the hydrogen storage bottle 4 is stored on the lifting mechanism 1, which is convenient for moving and transporting through the universal wheel 113. When the hydrogen storage bottle 4 is used, the lifting seat 103 is pushed downward to re-lock it, and the bottle body 401 moves downward with the lifting seat 103 and disengages from the clamping frame 202. The connector 404 disengages from the connecting sleeve 203 and is in a sealed state. The hydrogen storage bottle 4 can be taken out for normal use. After the hydrogen storage bottle 4 is taken out, the carrier plate 109 is reset under the action of the first spring. After the use of the hydrogen storage bottle 4, the above operation is repeated to store and inflate.

[0025] Embodiment 2 is different from the above embodiments in that a vertical plate 106 is fixedly installed in the lifting groove 102, a first through hole is provided on the top of the vertical plate 106, first clamping blocks 107 are slidably installed on both sides of the first through hole, the upper end surface of the first clamping block 107 is inclined, a second spring 108 is provided in the first through hole, the two ends of the second spring 108 are respectively fixedly connected to the two first clamping blocks 107, a boss 111 is fixedly installed in the limiting groove, a vertical plate groove is provided at the lower end of the boss 111, and second through holes are provided on both sides of the boss 111. When the lifting seat 103 moves downward, the vertical plate 106 is inserted into the vertical plate groove, the lower end of the boss 111 contacts the upper end surface of the first clamping block 107, and pushes the first clamping block 107 to retract into the first through hole. When the second through hole descends to the first through hole, the first clamping block 107 is in Under the action of the second spring 108, the first through hole is popped out and inserted into the second through hole, and the lifting seat 103 is locked; a second clamping block 112 is slidably installed in the second through hole, and the upper end surface of the second clamping block 112 is inclined. The lower end of the carrier plate 109 is provided with a convex column groove, and both sides of the convex column groove are installed with a flip plate 110 through a spring hinge. When the first clamping block 107 is inserted into the second through hole, the second clamping block 112 is pushed out of the second through hole. The flip plate 110 can only flip downward and reset under the action of the spring hinge. In the process of pushing the carrier plate 109 to move downward, the flip plate 110 contacts the upper end surface of the second clamping block 112 and pushes the second clamping block 112 to retract into the second through hole. The second clamping block 112 pushes the first clamping block 107 out of the second through hole, and the lifting seat 103 is unlocked and moves upward under the action of the damping spring 105.

[0026] A pedal 104 is fixedly installed on the top of the lifting seat 103, and a plurality of pedal grooves are provided at the upper end of the base 101. Each pedal 104 is arranged above the corresponding pedal groove. When using the hydrogen storage bottle 4, the pedal 104 can be stepped on to make the pedal 104 enter the pedal groove, and the lifting seat 103 is locked, so that the hydrogen storage bottle 4 can be removed conveniently.

[0027] Embodiment 3 differs from the above embodiments in that the clamping frame 202 includes an arc-shaped connecting rod and a plurality of vertical rods, the plurality of vertical rods are fixedly mounted on the lower end of the top plate 201, the arc-shaped connecting rod is fixedly connected to the plurality of vertical rods, the shapes of the lower end surfaces of the plurality of vertical rods are consistent with the shape of the upper end surface of the bottle body 401, and the lifting seat 103 and the carrier plate 109 are cooperated to stably clamp the bottle body 401, thereby improving the safety of storage and inflation of the hydrogen storage bottle 4.

[0028] Embodiment 4 is different from the above embodiments in that the hydrogen filling assembly includes multiple safety valves 204, connecting pipes 205, pressure reducing valves 206 and charging pipes 207. The pressure reducing valve 206 is fixedly installed on the upper end of the top plate 201. One end of the charging pipe 207 is connected to the air inlet end of the pressure reducing valve 206, and the other end of the charging pipe 207 is connected to the hydrogen-using equipment. The connecting pipe 205 is connected to the air outlet end of the pressure reducing valve 206. Multiple safety valves 204 are all connected to the connecting pipe 205, and each safety valve 204 is respectively connected to the corresponding connecting sleeve 203. Through the above arrangement, multiple connecting sleeves 203 are connected to the hydrogen-using equipment, and multiple hydrogen storage bottles 4 can be inflated to improve the hydrogen filling efficiency. The safety valve 204 can automatically close after the hydrogen filling pressure reaches a certain value, so as to realize quantitative hydrogen filling of the hydrogen storage bottle 4 and prevent excessive or insufficient hydrogen filling in the bottle body 401.

[0029] Embodiment 5 differs from the above embodiments in that a plurality of the heat-conducting baffles 406 are arranged in parallel and equidistantly, and a plurality of material passing holes are provided on the heat-conducting baffles 406 to separate the hydrogen storage alloy in the bottle body 401 into different spaces, disperse the powdered accumulation of the hydrogen storage alloy after hydrogen filling and discharging, and simultaneously act as heat transfer fins, which is more conducive to the conduction of heat in the bottle body 401 and also enhances the structural strength of the bottle body 401 to a certain extent.

[0030] Embodiment 6 is different from the above embodiments in that Figure 7 As shown, the connecting sleeve 203 includes a first shell 2031, a first fixing frame 2032, a first moving member 2033 and a third spring 2034, wherein the first shell 2031 is fixedly mounted on the top plate 201, the first fixing frame 2032 is fixedly mounted on the top of the first shell 2031, the first moving member 2033 is slidably mounted on the first fixing frame 2032, a first conical block is fixedly mounted in the middle of the first moving member 2033, the third spring 2034 is sleeved on the first moving member 2033, and the third spring 203 4 is arranged between the first fixing frame 2032 and the first conical block, a first bevel ring is fixedly installed on the inner wall of the first shell 2031, the first bevel ring fits with the bevel of the first conical block, a first sealing gasket 2035 is sleeved on the bevel of the first conical block, under normal conditions, the third spring 2034 is in a compressed state, the first bevel ring fits tightly with the bevel of the first conical block, the connecting sleeve 203 is in a sealed state, and one end of the first moving member 2033 is pushed to separate the first bevel ring from the bevel of the first conical block, thereby releasing the sealing state of the connecting sleeve 203.

[0031] like Figure 8As shown, the connector 404 includes a second housing 4041, a second fixing frame 4042, a second moving member 4043 and a fourth spring 4044, wherein the second housing 4041 is fixedly mounted on the bottle mouth valve 403, the second fixing frame 4042 is fixedly mounted on the top of the second housing 4041, the second moving member 4043 is slidably mounted on the second fixing frame 4042, a second conical block is fixedly mounted on the middle of the second moving member 4043, the fourth spring 4044 is sleeved on the second moving member 4043, and the fourth spring 404 4 is arranged between the second fixing frame 4042 and the second conical block, a second bevel ring is fixedly installed on the inner wall of the second shell 4041, the second bevel ring fits with the bevel of the second conical block, a second sealing gasket 4045 is sleeved on the bevel of the second conical block, under normal conditions, the fourth spring 4044 is in a compressed state, the second bevel ring fits tightly with the bevel of the second conical block, the connector 404 is in a sealed state, and one end of the second moving member 4043 is pushed to separate the second bevel ring from the bevel of the second conical block, thereby releasing the sealing state of the connector 404.

[0032] One end of the first shell 2031 is provided with a connecting groove 2036, and the diameter of the connecting groove 2036 is the same as the diameter of one end of the second shell 4041. A sealing ring 2037 is embedded on the inner wall of the connecting groove 2036. When one end of the connecting head 404 is inserted into the connecting groove 2036, one end of the first movable member 2033 and one end of the second movable member 4043 push each other, so that the connecting head 404 and the connecting sleeve 203 are in contact and sealed state, the connecting head 404 is connected with the connecting sleeve 203, and the sealing ring 2037 is tightly fitted to the outer wall of the connecting head 404 to ensure the sealing of the connection between the connecting head 404 and the connecting sleeve 203.

[0033] Working principle: Initially, the lifting seat 103 is in a locked state, the hydrogen storage bottle 4 is placed on the carrier plate 109, the hydrogen storage bottle 4 presses down the carrier plate 109, the bottom of the bottle body 401 is embedded in the limiting groove, the hydrogen storage bottle 4 is limited, the carrier plate 109 moves down in the limiting groove, and the locking state of the lifting seat 103 is released, the lifting seat 103 moves upward under the action of the damping spring 105, pushing the hydrogen storage bottle 4 to move upward, the upper end surface of the bottle body 401 contacts and abuts against the clamping frame 202, the hydrogen storage bottle 4 is clamped and fixed, the connector 404 is inserted into the connecting sleeve 203, so that the bottle body 401 is connected with the hydrogen charging assembly; Hydrogen is injected into the bottle body 401 through the hydrogen filling assembly, and the generated heat is transferred to the heat sink 407 through the heat-conducting baffle 406 and the heat-conducting rod 408. After the filling is completed, the hydrogen filling assembly stops filling, and the hydrogen storage bottle 4 is stored on the lifting mechanism 1, and then moved and transported; When using the hydrogen storage bottle 4, push the lifting seat 103 downward to re-lock it, and the bottle body 401 moves downward with the lifting seat 103 and disengages from the clamping frame 202. The connecting head 404 disengages from the connecting sleeve 203 and is in a sealed state. The hydrogen storage bottle 4 can be taken out for normal use. After taking out the hydrogen storage bottle 4, the carrier plate 109 is reset under the action of the first spring. After the use of the hydrogen storage bottle 4 is completed, repeat the above operation to store and inflate it.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydride hydrogen storage device based on a hydrogen storage alloy, comprising a plurality of hydrogen storage bottles, wherein the hydrogen storage bottles comprise a bottle body, a filter, a bottle mouth valve and an air guide tube, wherein the bottle body is filled with a hydrogen storage alloy, the bottle mouth valve is fixedly mounted on the top of the bottle body, and the bottle mouth valve, the filter and the air guide tube are fixedly connected in sequence from top to bottom, characterized in that: The cam is provided with a plurality of lifting slots, and a lifting assembly is installed in the lifting slot. The lifting assembly includes a lifting seat, a damping spring, a carrier plate and a first spring. The lifting seat is slidably installed in the lifting slot. The lower end of the damping spring is fixedly connected to the lower end of the lifting slot, and the upper end of the damping spring is fixedly connected to the lower end of the lifting seat. A limiting slot is provided at the upper end of the lifting seat. The carrier plate is slidably installed in the limiting slot. The lower end of the first spring is fixedly connected to the lower end of the limiting slot. The upper end of the first spring is fixedly connected to the lower end of the carrier plate. When the lifting seat moves to the lowest position, the base will lock it. The process of the carrier plate moving downward in the limiting slot can release the locking state of the lifting seat. The clamping mechanism includes a top plate, multiple clamping frames, multiple connecting sleeves and a hydrogen filling assembly. The top plate is arranged above the base, and multiple columns are fixedly installed between the top plate and the base. Multiple clamping frames, multiple connecting sleeves and hydrogen filling assemblies are all fixedly installed on the top plate, and multiple connecting sleeves are all connected to the hydrogen filling assembly. Each hydrogen storage bottle is arranged between the corresponding carrier plate and the corresponding clamping frame. The hydrogen storage bottle includes a bottle body, and multiple heat-conducting baffles are fixedly installed inside the bottle body. Multiple heat sinks are fixedly installed on the outer wall of the hydrogen storage bottle. A heat-conducting rod is fixedly installed on the hydrogen storage bottle, one end of the heat-conducting rod is fixedly connected to multiple heat-conducting baffles, and the other end of the heat-conducting rod is fixedly connected to multiple heat sinks. A connecting head is fixedly installed on the top of the hydrogen storage bottle, and the connecting head is connected to the bottle mouth valve. When one end of the connecting head is inserted into one end of the connecting sleeve, the two are connected, and when the connecting head is separated from the connecting sleeve, both are in a sealed state.

2. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 1, characterized in that: A vertical plate is fixedly installed in the lifting slot, a first through hole is provided on the top of the vertical plate, first clamping blocks are slidably installed on both sides of the first through hole, the upper end surface of the first clamping block is inclined, a second spring is provided in the first through hole, and the two ends of the second spring are respectively fixedly connected to the two first clamping blocks, a boss is fixedly installed in the limiting slot, a vertical plate slot is provided at the lower end of the boss, and second through holes are provided on both sides of the boss; A second clamping block is slidably installed in the second through hole, the upper end surface of the second clamping block is inclined, a boss groove is provided at the lower end of the carrier plate, and flip plates are installed on both sides of the boss groove through spring hinges.

3. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 1, characterized in that: A pedal is fixedly mounted on the top of the lifting seat, and a plurality of pedal grooves are arranged on the upper end of the base, and each pedal is arranged above a corresponding pedal groove.

4. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 1, characterized in that: The clamping frame includes an arc-shaped connecting rod and a plurality of vertical rods, wherein the plurality of vertical rods are fixedly mounted on the lower end of the top plate, the arc-shaped connecting rod is fixedly connected to the plurality of vertical rods, and the shapes of the lower end surfaces of the plurality of vertical rods are consistent with the shapes of the upper end surfaces of the bottle bodies.

5. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 1, characterized in that: The hydrogen charging assembly includes multiple safety valves, connecting pipelines, pressure reducing valves and charging pipes. The pressure reducing valve is fixedly installed on the upper end of the top plate. One end of the charging pipe is connected to the air inlet end of the pressure reducing valve, and the other end of the charging pipe is connected to the hydrogen-using equipment. The connecting pipeline is connected to the air outlet end of the pressure reducing valve. Multiple safety valves are connected to the connecting pipeline, and each safety valve is connected to the corresponding connecting sleeve.

6. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 1, characterized in that: The plurality of heat-conducting baffles are arranged in parallel and equidistantly, and the heat-conducting baffles are provided with a plurality of material passing holes.

7. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 1, characterized in that: The connecting sleeve includes a first shell, a first fixed frame, a first moving member and a third spring. The first shell is fixedly installed on the top plate, the first fixed frame is fixedly installed on the top of the first shell, the first moving member is slidably installed on the first fixed frame, a first conical block is fixedly installed on the middle part of the first moving member, the third spring is sleeved on the first moving member, and the third spring is arranged between the first fixed frame and the first conical block, a first bevel ring is fixedly installed on the inner wall of the first shell, the first bevel ring is in contact with the bevel of the first conical block, and a first sealing gasket is sleeved on the bevel of the first conical block.

8. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 7, characterized in that: The connector includes a second shell, a second fixed frame, a second movable member and a fourth spring. The second shell is fixedly mounted on the bottle mouth valve, the second fixed frame is fixedly mounted on the top of the second shell, the second movable member is slidably mounted on the second fixed frame, a second conical block is fixedly mounted on the middle part of the second movable member, the fourth spring is sleeved on the second movable member, and the fourth spring is arranged between the second fixed frame and the second conical block, a second bevel ring is fixedly mounted on the inner wall of the second shell, the second bevel ring is fitted with the bevel of the second conical block, and a second sealing gasket is sleeved on the bevel of the second conical block.

9. A hydride hydrogen storage device based on a hydrogen storage alloy according to claim 8, characterized in that: A connecting groove is provided at one end of the first shell, the diameter of the connecting groove is the same as the diameter of one end of the second shell, and a sealing ring is embedded on the inner wall of the connecting groove.

10. A method for storing hydrogen using a hydride hydrogen storage device based on a hydrogen storage alloy as claimed in any one of claims 1 to 9, characterized in that: The steps include: Initially, the lifting seat is in a locked state, the hydrogen storage bottle is placed on the carrier plate, the hydrogen storage bottle presses down the carrier plate, the bottom of the bottle body is embedded in the limit groove, the hydrogen storage bottle is limited, the carrier plate moves down in the limit groove, and the locking state of the lifting seat is released, the lifting seat moves upward under the action of the damping spring, pushing the hydrogen storage bottle upward, the upper end surface of the bottle body contacts and abuts against the clamping frame, the hydrogen storage bottle is clamped and fixed, the connector is inserted into the connecting sleeve, so that the bottle body is connected with the hydrogen charging assembly; Hydrogen is injected into the bottle through the hydrogen filling assembly, and the generated heat is transferred to the heat sink through the heat-conducting baffle and the heat-conducting rod. After the filling is completed, the hydrogen filling assembly stops filling, and the hydrogen storage bottle is stored on the lifting mechanism and then moved and transported; When using the hydrogen storage bottle, push the lifting seat downward to re-lock it. The bottle body moves downward with the lifting seat and disengages from the clamping frame. The connecting head disengages from the connecting sleeve and is in a sealed state. The hydrogen storage bottle can be taken out for normal use. After taking out the hydrogen storage bottle, the carrier plate is reset under the action of the first spring. After the hydrogen storage bottle is used, repeat the above operation to store and inflate it.

Images