Hydrogen storage device with damping function

Abstract

The utility model relates to the technical field of hydrogen storage, in particular to a hydrogen storage device with a damping function, which comprises a hydrogen storage tank, a buffer protection assembly and a damping assembly, the buffering protection assembly comprises a reinforcing keel, a damping buffer and a protection plate. The reinforcing keel is arranged on the outer side wall of the hydrogen storage tank; the damping buffer is arranged on the outer side wall of the reinforcing keel and extends in the direction away from the reinforcing keel. The protection plate is connected with the end, away from the reinforcing keel, of the damping buffer. The hydrogen storage tank is placed on the target ground, and damping assemblies are arranged between the two ends, in the length direction of the hydrogen storage tank, of the hydrogen storage tank and the target ground. Any damping assembly comprises a bearing assembly and a damping base which are connected with each other, and the bearing assembly is arranged between the hydrogen storage tank and the damping base. Therefore, the buffering and damping structures are arranged below the side part and the end part of the hydrogen storage tank, so that the buffering and protecting effects on the hydrogen storage tank when the hydrogen storage tank is impacted by external force are achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the hydrogen storage field, in particular to a hydrogen storage device with a shock absorption function. BACKGROUND

[0002] At present, hydrogen storage bottles are widely used in vehicle-mounted hydrogen storage systems and the like, however, due to the pressure of up to 35 MPa and 70 MPa, the hydrogen storage bottles are likely to explode after being impacted by the outside world, even so, the current hydrogen storage bottles usually only adopt simple frame protection, and the protection performance is low, so that the hydrogen storage bottles cannot provide good buffer protection when being impacted by external force, thereby certain safety hazards exist. CONTENT OF THE UTILITY MODEL

[0003] The application aims to provide a hydrogen storage device with a shock absorption function, which solves the technical problem that the current hydrogen storage bottles usually only adopt simple frame protection, and the protection performance is low, so that the hydrogen storage bottles cannot provide good buffer protection when being impacted by external force, thereby certain safety hazards exist.

[0004] The application provides a hydrogen storage device with a shock absorption function, which comprises a hydrogen storage tank, a buffer protection assembly and a shock absorption assembly, wherein the buffer protection assembly comprises a reinforced keel, a damping buffer and a protection plate; the reinforced keel is arranged on the outer side wall of the hydrogen storage tank; the damping buffer is arranged on the outer side wall of the reinforced keel and extends towards the direction away from the reinforced keel; and the protection plate is connected to the end of the damping buffer away from the reinforced keel.

[0005] The hydrogen storage tank is placed on a target ground, and the two ends of the hydrogen storage tank along the length direction thereof are both provided with the shock absorption assembly; any shock absorption assembly comprises a connected bearing assembly and a damping shock base, and the bearing assembly is arranged between the hydrogen storage tank and the damping shock base.

[0006] In the above technical solution, further, the bearing assembly comprises a bearing member, a supporting member and a connecting member; wherein, along the direction of the hydrogen storage tank towards the target ground, the bearing member, the supporting member and the connecting member are sequentially connected; the side of the bearing member away from the supporting member is formed with a mounting groove, and one end of the hydrogen storage tank is arranged in the mounting groove.

[0007] In any of the above technical solutions, further, the number of the supporting members is multiple, and the supporting members are sequentially and interval arranged along the length direction of the bearing member, and any supporting member is provided with one connecting member.

[0008] In any of the above technical solutions, further, the damping shockproof base comprises a mounting member and a damping shock absorber; the mounting member is formed with a mounting cavity and an opening communicating with the mounting cavity, the fixed end of the damping shock absorber is fixed to the mounting cavity, the connecting member is mounted into the mounting cavity through the opening and connected with the movable end of the damping shock absorber, and the connecting member can move along the depth direction of the mounting cavity following the movable end of the damping shock absorber.

[0009] In any of the above technical solutions, further, the damping shockproof base further comprises a limiting ring, and the limiting ring is arranged at the opening and along the depth direction of the mounting cavity, and the connecting member can abut against the limiting ring for limiting the connecting member.

[0010] In any of the above technical solutions, further, the number of the protective plates is multiple, and the protective plates are sequentially and spacedly arranged along the outer periphery perpendicular to the length direction of the hydrogen storage tank, and any of the protective plates is provided with a damping buffer.

[0011] In any of the above technical solutions, further, the number of the protective plates is two, and the two protective plates are symmetrically arranged on the outer wall of the hydrogen storage tank, and the cross section of any of the protective plates along the length direction of the hydrogen storage tank is in U shape.

[0012] In any of the above technical solutions, further, the hydrogen storage device with shockproof function further comprises a protective cover, and the outer part of both ends of the hydrogen storage tank along the length direction is covered by the protective cover.

[0013] In any of the above technical solutions, further, one end of the hydrogen storage tank along the length direction is formed with a hydrogen inlet and outlet, and the hydrogen inlet and outlet extends to the outside through one of the protective covers; the hydrogen storage device with shockproof function further comprises a valve, and the valve is arranged on the hydrogen inlet and outlet, and the valve is formed with a pressure relief port.

[0014] In any of the above technical solutions, further, the side surface of the protective plate away from the hydrogen storage tank is provided with a flexible buffer pad.

[0015] In any of the above technical solutions, further, the target ground is parallel to the horizontal plane, and the hydrogen storage tank is arranged along a direction parallel to the target ground or forming an angle with the target ground.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] The hydrogen storage device with shock absorption function provided by the application has a damping buffer and a protective plate arranged on the outer side wall of the hydrogen storage tank, which plays a buffering and protective role when the hydrogen storage tank is impacted by external force, thereby avoiding damage or even explosion of the hydrogen storage tank, and the flexible buffer pad ensures that the protective plate is not easily damaged when impacted, in addition, the reinforcing keel makes the overall rigidity of the buffer protection assembly higher, that is, the protective performance of the buffer protection assembly is improved, and the hydrogen storage tank is also provided with certain reinforcing effect, and the protective cover is arranged on both ends of the hydrogen storage tank to provide more comprehensive protection for the hydrogen storage tank.

[0018] In addition, the damping assembly is arranged at the bottom of the hydrogen storage tank, so that when the hydrogen storage tank is impacted and vibrates, the vibration force can be reduced in time to ensure that the hydrogen storage tank does not continuously vibrate, and the reduction effect of the hydrogen storage tank on the impact force is further improved, and the limiting member and the connecting member are arranged to prevent the connecting member from separating from the mounting member when the connecting member moves up and down along the mounting cavity of the mounting member, so that the bearing assembly is more stable when damping and protecting. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the application or the technical solutions in the prior art, the drawings needed in the description of the specific embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 The structure diagram of the hydrogen storage device with shock absorption function provided by the embodiment of the application is shown.

[0021] Figure 2 The exploded view of the damping shock absorbing base provided by the embodiment of the application is shown.

[0022] Reference signs:

[0023] 1-hydrogen storage tank, 2-buffer protection assembly, 21-reinforcing keel, 22-damping buffer, 23-protective plate, 24-flexible buffer pad, 3-damping assembly, 31-bearing assembly, 311-bearing member, 3111-mounting groove, 312-supporting member, 313-connecting member, 32-damping shock absorbing base, 321-mounting member, 322-damping shock absorber, 323-limiting ring, 4-protective cover, 5-valve, 51-pressure relief port. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application.

[0025] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but merely represents selected embodiments of the present application.

[0026] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Figure 1 and Figure 2 The present application provides a hydrogen storage device with shock absorption function.

[0030] Referring to Figure 1 and Figure 2 The embodiments of the present application provide a hydrogen storage device with shock absorption function, comprising: a hydrogen storage tank 1, a buffer protection assembly 2 and a shock absorption assembly 3; wherein the buffer protection assembly 2 comprises a reinforced keel 21, a damping buffer 22 and a protection plate 23; the reinforced keel 21 is arranged on the outer side wall of the hydrogen storage tank 1; the damping buffer 22 is arranged on the outer side wall of the reinforced keel 21 and extends towards the direction away from the reinforced keel 21; the protection plate 23 is connected with the end of the damping buffer 22 away from the reinforced keel 21;

[0031] The hydrogen storage tank 1 is placed on the target ground, and the two ends of the hydrogen storage tank 1 along the length direction thereof are provided with damping assemblies 3 relative to the target ground; any damping assembly 3 comprises a bearing assembly 31 and a damping base 32 connected in sequence, and the bearing assembly 31 is arranged between the hydrogen storage tank 1 and the damping base 32.

[0032] According to the above-described structure, it can be known that the hydrogen storage device with damping function of the present application is provided with the damping buffer 22 and the protective plate 23 on the outer side wall of the hydrogen storage tank 1, which plays a role in buffering and protecting the hydrogen storage tank 1 when it is impacted by external force, thereby avoiding the damage or even explosion of the hydrogen storage tank 1, and the setting of the reinforcing keel 21 makes the overall rigidity of the buffering and protecting assembly 2 higher, that is, the protective performance of the buffering and protecting assembly 2 is improved, and a certain reinforcing effect is also provided for the hydrogen storage tank 1.

[0033] In addition, the bearing assembly 31 and the damping base 32 are arranged between the front and rear ends of the hydrogen storage tank 1 and the target ground, so that when the hydrogen storage tank 1 is impacted and vibrates, the vibration force can be reduced in time, so as to ensure that the hydrogen storage tank 1 will not appear the phenomenon of continuous shaking, and the reduction effect of the hydrogen storage tank 1 on the impact force is further improved.

[0034] Further, preferably, the target ground is parallel to the horizontal plane, and the hydrogen storage tank 1 is arranged along the target ground. Of course, it is not limited to this, the target ground can also be a plane forming an angle with the horizontal plane, which is designed according to actual needs, and in addition, the hydrogen storage tank 1 can also be arranged along a direction forming an angle with the target ground.

[0035] In this embodiment, preferably, as shown in Figure 1 and Figure 2 , the bearing assembly 31 comprises a bearing member 311, a supporting member 312 and a connecting member 313; wherein, along the direction of the hydrogen storage tank 1 towards the target ground, for example, the vertical direction, the bearing member 311, the supporting member 312 and the connecting member 313 are connected in sequence; the side of the bearing member 311 away from the supporting member 312 is formed with a mounting groove 3111, and one end of the hydrogen storage tank 1 is arranged in the mounting groove 3111.

[0036] According to the above-described structure, the hydrogen storage tank 1 is arranged in the mounting groove 3111 of the bearing member 311, so that the hydrogen storage tank 1 and the bearing member 311 are assembled more stably and firmly, and the stability of the hydrogen storage tank 1 is further improved, the supporting member 312 plays a role in connecting the bearing member 311 and the connecting member 313, and also plays a role in supporting the bearing member 311.

[0037] Further, preferably, the bearing member 311 is a cuboid structure with a mounting groove 3111 opened at the top, of course, not limited to this.

[0038] Further, preferably, the hydrogen storage tank 1 is a circular tank body, that is to say, the two ends thereof are hemispherical, and the portion between the two ends is cylindrical, and the mounting groove 3111 is a circular arc groove. Of course, not limited to this, the hydrogen storage tank 1 can also be of other shapes, such as a square tank, and the like, and the mounting groove 3111 is correspondingly adjusted.

[0039] Further, preferably, along the length direction of the support member 312, the projection of the support member 312 completely falls into the projection of the connecting member 313, and there is a certain gap, that is to say, the cross-sectional dimension of the support member 312 along the direction perpendicular to the length direction is smaller than the cross-sectional dimension of the connecting member 313 along the direction perpendicular to the length direction, so as to facilitate the connecting member 313 to move in the installation cavity along the depth direction of the installation cavity with the support member 312, and the edge portion of the connecting member 313 larger than the support member 312 can also serve as a limiting structure, cooperating with the limiting ring 323 described below, to play a role of ultimate limiting of the connecting member 313.

[0040] Further, preferably, the support member 312 is a cylindrical structure, and the connecting member 313 is a circular plate structure with a diameter larger than that of the support member 312, of course, not limited to this.

[0041] It should be noted that the structure of the bearing assembly 31 is not limited to the above, and it can also only include the aforementioned bearing member 311 and the like or use a support in the prior art, and the specific selection is based on actual needs.

[0042] In this embodiment, preferably, as shown in Figure 2 the number of support members 312 is multiple, and they are sequentially and spacedly arranged along the length direction of the bearing member 311, and each support member 312 is provided with a connecting member 313.

[0043] According to the structure described above, a plurality of support members 312 are used to improve the support effect of the bearing member 311, and a plurality of damping shock absorbers 322 described below can also be provided to improve the damping effect.

[0044] It should be noted that not only this, but also only one support member 312 can be provided, and the specific selection is based on actual needs.

[0045] In this embodiment, preferably, as shown in Figure 2As shown, the damping shockproof base 32 comprises a mounting member 321 and a damping shock absorber 322; wherein the mounting member 321 is formed with a mounting cavity and an opening in communication with the mounting cavity, the damping shock absorber 322 is fixed in the mounting cavity, the connecting member 313 is mounted into the mounting cavity through the opening and connected with the damping shock absorber 322, that is, the fixed end of the damping shock absorber 322 is fixedly connected with the inner wall of the mounting cavity, and the movable end of the damping shock absorber 322 is fixedly connected with the connecting member 313, and the connecting member 313 can move along the depth direction of the mounting cavity following the movable end of the damping shock absorber 322.

[0046] According to the above structure, the mounting member 321 provides a mounting position for the damping shock absorber 322, and the damping shock absorber 322 is arranged below the connecting member 313 and fixedly connected with the connecting member 313, the damping shock absorber 322 and the mounting member 321 constitute an elastic structure, which plays a damping role and further improves the protection effect.

[0047] Further, preferably, the mounting member 321 is a cuboid structure, which is simple in structure and convenient to process and manufacture, and especially when the number of mounting cavities is multiple, the mounting cavities can be sequentially and evenly arranged along the length direction of the mounting member 321.

[0048] It should be noted that the structure of the damping shockproof base 32 is not limited to the above, and it can also be other types of shockproof bases in the prior art, which is selected according to actual needs.

[0049] In this embodiment, preferably, as shown in Figure 2 The damping shockproof base 32 further comprises a limiting ring 323, and the limiting ring 323 is arranged at the opening and abuts against the connecting member 313 along the depth direction of the mounting cavity, for limiting the connecting member 313.

[0050] According to the above structure, when the connecting member 313 moves to the opening of the mounting cavity along the mounting cavity, the limiting ring 323 blocks the connecting member 313, which plays a role of limiting the connecting member 313, so that the connecting member 313 will not be separated from the mounting member 321.

[0051] In this embodiment, preferably, as shown in Figure 1 The number of the protection plates 23 is multiple, and they are sequentially and evenly arranged along the outer periphery perpendicular to the length direction of the hydrogen storage tank, and each protection plate 23 is provided with a damping buffer 22.

[0052] According to the structure described above, the multiple protective plates 23 are uniformly distributed around the outer periphery of the hydrogen storage tank 1, which can increase the protective area and improve the protection effect. Of course, it is not limited to this, and one protective plate 23 can also be arranged on the outer side wall of the hydrogen storage tank 1, and the specific design is based on the actual needs.

[0053] Further, preferably, each protective plate 23 is provided with multiple damping buffers 22, and the multiple damping buffers 22 are uniformly arranged. Of course, it is not limited to this, and each protective plate 23 can also be provided with only one damping buffer 22, and the specific design is based on the actual needs.

[0054] In this embodiment, preferably, as shown in Figure 1 the number of protective plates 23 is two, and the two protective plates 23 are symmetrically arranged on the outer wall of the hydrogen storage tank 1, and the cross section of any protective plate 23 along the length direction of the hydrogen storage tank 1 is U-shaped.

[0055] According to the structure described above, two U-shaped protective plates 23 are arranged on the outer side wall of the hydrogen storage tank 1, which can realize the overall protection of the outer periphery of the hydrogen storage tank 1, and the number of protective plates 23 is small, which reduces the difficulty of processing and later installation, and further improves the work efficiency.

[0056] It should be noted that the number of protective plates 23 is not limited to the two described above, and can also be three or four, etc., and in this case, the protective plate 23 is an arc-shaped plate, and the specific selection is based on the actual needs.

[0057] In this embodiment, preferably, as shown in Figure 1 the hydrogen storage device with shock absorption function further comprises a protective cover 4, and the outer part of both ends of the hydrogen storage tank 1 along the length direction is covered with the protective cover 4.

[0058] According to the structure described above, on the basis of arranging the buffer protection assembly 2 on the side of the hydrogen storage tank 1, the protective cover 4 is sleeved on both ends of the hydrogen storage tank 1 along the length direction, so that the hydrogen storage tank 1 is overall installed and protected, and the protection effect of the hydrogen storage tank 1 is further improved.

[0059] Further, preferably, when the hydrogen storage tank 1 is a circular tank body, the protective cover 4 is a hemispherical shell structure, of course, it is not limited to this, and can also be a square shell, etc., and when the shape of the hydrogen storage tank 1 changes, the shape of the protective cover 4 can be adjusted adaptively.

[0060] It should be noted that the protective cover 4 can also not be arranged on both ends of the hydrogen storage tank 1 along the length direction, and the specific design is based on the actual needs.

[0061] In this embodiment, preferably, as shown in Figure 1As shown, one end of the hydrogen storage tank 1 along its length direction is formed with a hydrogen inlet and outlet, and the hydrogen inlet and outlet extends to the outside through one of the protective covers 4; the hydrogen storage device with shock absorption function further comprises a valve 5, and the valve 5 is arranged on the hydrogen inlet and outlet, and the valve 5 is formed with a pressure relief port 51.

[0062] According to the above-described structure, the opening or closing of the hydrogen inlet and outlet can be controlled by the valve 5, and the controllability is stronger, and the pressure relief port 51 on the valve 5 can be used for pressure relief.

[0063] Further, preferably, the valve 5 is an electromagnetic valve, of course, not limited thereto.

[0064] In this embodiment, preferably, as shown in the drawings, Figure 1 The side surface of the protective plate 23 away from the hydrogen storage tank 1 is provided with a flexible buffer pad 24.

[0065] According to the above-described structure, the flexible buffer pad 24 is arranged on the outer surface of the protective plate 23, which plays a further protection role and helps to improve the protection effect.

[0066] It should be noted that: the flexible buffer pad 24 can also not be arranged on the outer surface of the protective plate 23, and the protective plate 23 can also be arranged as a rubber protective plate 23 with a certain hardness, which has a buffering effect itself, of course, not limited thereto.

[0067] In this embodiment, preferably, as shown in the drawings, Figure 1 The reinforcing keel 21 is a structure in the prior art, for example, a frame structure can be adopted, etc., and it is matched with the cylindrical part of the hydrogen storage tank 1, and here, it will not be described in detail.

[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A hydrogen storage device with shock absorption function, characterized in that, The hydrogen storage device with damping function comprises a hydrogen storage tank, a buffer protection assembly and a damping assembly. The buffer protection assembly comprises a reinforcing keel, a damping buffer and a protection plate. The reinforcing keel is arranged on the outer wall of the hydrogen storage tank.

2. The hydrogen storage device with a shock-absorbing function according to claim 1, characterized in that, The damping buffer is arranged on the outer wall of the reinforcing keel and extends away from the reinforcing keel.

3. The hydrogen storage device with a shock-absorbing function according to claim 2, characterized in that, The protection plate is connected to the end of the damping buffer away from the reinforcing keel.

4. The hydrogen storage device with a shock-absorbing function according to claim 2, characterized in that, The hydrogen storage tank is placed on a target ground, and the two ends of the hydrogen storage tank along the length direction thereof are provided with the damping assembly.

5. The hydrogen storage device with a shock-absorbing function according to claim 4, characterized in that, Any damping assembly comprises a bearing assembly and a damping base.

6. The hydrogen storage device with a shock-absorbing function according to claim 1, wherein The bearing assembly comprises a bearing member, a supporting member and a connecting member.

7. The hydrogen storage device with a shock-absorbing function according to claim 6, characterized in that, The bearing member, the supporting member and the connecting member are sequentially connected along the direction of the hydrogen storage tank towards the target ground. 8.The hydrogen storage device with a shock-absorbing function according to any one of claims 1 to 7, wherein, The side of the bearing member away from the supporting member is formed with a mounting groove, and one end of the hydrogen storage tank is arranged in the mounting groove.

9. The hydrogen storage device with a shock-absorbing function according to claim 8, characterized in that, The number of the supporting members is plural, and the supporting members are sequentially and spacedly arranged along the length direction of the bearing member.

10. The hydrogen storage device with a shock-absorbing function according to claim 8, wherein The damping base comprises a mounting member and a damping shock absorber. The mounting member is formed with a mounting cavity and an opening communicating with the mounting cavity. The fixed end of the damping shock absorber is fixed to the mounting cavity. The connecting member is installed into the mounting cavity through the opening and is connected to the movable end of the damping shock absorber. The connecting member can move along the depth direction of the mounting cavity following the movable end of the damping shock absorber. The damping base further comprises a limiting ring arranged at the opening and abutting against the connecting member along the depth direction of the mounting cavity. The number of the protection plates is plural, and the protection plates are sequentially and spacedly arranged along the outer periphery perpendicular to the length direction of the hydrogen storage tank. The number of the protection plates is two, and the two protection plates are symmetrically arranged on the outer wall of the hydrogen storage tank. The cross section of any protection plate along the length direction of the hydrogen storage tank is U-shaped. The hydrogen storage device with damping function further comprises a protective cover, and the outer part of the two ends of the hydrogen storage tank along the length direction thereof is covered with the protective cover. One end of the hydrogen storage tank along the length direction thereof is formed with a hydrogen inlet and outlet, and the hydrogen inlet and outlet extends to the outside through one of the protective covers. The hydrogen storage device with damping function further comprises a valve arranged on the hydrogen inlet and outlet, and the valve is formed with a pressure relief port. The side surface of the protection plate away from the hydrogen storage tank is provided with a flexible buffer pad. The target ground is parallel to the horizontal plane, and the hydrogen storage tank is arranged along the direction parallel to the target ground or forming an angle with the target ground.

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