CN115451326A - Gas storage cylinder, hydrogen storage device and hydrogen fuel automobile - Google Patents
Gas storage cylinder, hydrogen storage device and hydrogen fuel automobile Download PDFInfo
- Publication number
- CN115451326A CN115451326A CN202211103920.7A CN202211103920A CN115451326A CN 115451326 A CN115451326 A CN 115451326A CN 202211103920 A CN202211103920 A CN 202211103920A CN 115451326 A CN115451326 A CN 115451326A
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- opening section
- wall
- bottle body
- gas
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- 239000007789 gas Substances 0.000 title claims abstract description 134
- 238000003860 storage Methods 0.000 title claims abstract description 46
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 239000000446 fuel Substances 0.000 title abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000000565 sealant Substances 0.000 claims description 30
- 239000003292 glue Substances 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 17
- 230000000670 limiting effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/01—Reinforcing or suspension means
- F17C2203/011—Reinforcing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2127—Moulding by blowing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of hydrogen storage equipment, and particularly relates to a gas storage cylinder, a hydrogen storage device and a hydrogen fuel automobile. Wherein, the gas bomb includes: the bottle body main body is provided with at least one bottle body opening section; the rigid seal head is provided with an assembly opening section and a valve seat section, the valve seat section is provided with a gas transmission channel, the bottle body opening section is inserted into the assembly opening section, and the outer wall of the bottle body opening section is attached to the inner wall of the assembly opening section; the sealing sleeve comprises a bottle body matching section and a sealing head matching section, the sealing head matching section is provided with a gas outlet part, the bottle body matching section is inserted into the bottle body opening section, the outer wall of the bottle body matching section is attached to the inner wall of the bottle body opening section, the outer wall of the sealing head matching section is attached to the inner wall of the rigid sealing head, and the gas outlet part is communicated with the gas transmission channel. By applying the technical scheme, the problems that the existing gas storage bottle is assembled to prepare the bottle body by adopting a welding process, the preparation process is backward, the working strength of welding work is high, and the working environment is poor are solved.
Description
Technical Field
The invention belongs to the technical field of hydrogen storage equipment, and particularly relates to a gas storage cylinder, a hydrogen storage device and a hydrogen fuel automobile.
Background
Currently, a single gas cylinder is used in a fuel cell system to store fuel gas. Generally, current gas bomb is made of metal material, generally uses steel to make, therefore, the bottle of current gas bomb generally includes body portion and head portion, and body portion is one end and seals the other end opening, welds after the head portion open end docks with the open end of body portion, then welds the pipeline on the head portion to set up the valve on the pipeline, just prepared a gas bomb.
Therefore, the existing gas storage bottle is assembled and prepared into a bottle body by adopting a welding process, the preparation process is backward, the working strength of welding work is high, and the working environment is poor.
Disclosure of Invention
The invention aims to provide a gas storage cylinder, a hydrogen storage device and a hydrogen fuel automobile, and aims to solve the problems that the existing gas storage cylinder is assembled and prepared into a cylinder body by adopting a welding process, the preparation process is backward, the working strength of welding work is high, and the working environment is poor.
In order to realize the purpose, the invention adopts the technical scheme that: a gas cylinder, comprising:
the bottle body main body is provided with at least one bottle body opening section;
the rigid end enclosure is provided with an assembly opening section and a valve seat section, the valve seat section is provided with a gas transmission channel, the bottle body opening section is inserted into the assembly opening section, and the outer wall of the bottle body opening section is attached to the inner wall of the assembly opening section;
the sealing sleeve comprises a bottle body matching section and a sealing head matching section, the sealing head matching section is provided with a gas outlet part, the bottle body matching section is inserted into the bottle body opening section, the outer wall of the bottle body matching section is attached to the inner wall of the bottle body opening section, the outer wall of the sealing head matching section is attached to the inner wall of the rigid sealing head, and the gas outlet part is communicated with the gas transmission channel.
In one embodiment, the outer wall of the bottle body matching section is provided with at least one circumferential groove, the circumferential groove is used for filling the sealant, and the sealant of the circumferential groove is abutted against the inner wall of the bottle body opening section; or the inner wall of the bottle body opening section is provided with at least one circumferential groove, the circumferential groove is used for filling sealant, and the sealant of the circumferential groove is abutted against the outer wall of the bottle body matching section.
In one embodiment, the end of the body fitting section exceeds the end of the fitting opening section, the number of the circumferential grooves is plural, and at least one circumferential groove is provided between the end of the body fitting section and the end of the fitting opening section.
In one embodiment, the air outlet part protrudes out of the outer wall of the end enclosure matching section towards the direction far away from the bottle body matching section, the air outlet part is inserted into the air transmission channel, and a sealing ring is arranged between the air outlet part and the hole wall of the air transmission channel.
In one embodiment, the outer wall of the opening section of the bottle body is circumferentially provided with at least one annular groove, the annular groove is used for filling the sealant, and the sealant of the annular groove abuts against the inner wall of the opening section; or at least one annular groove is circumferentially arranged on the inner wall of the assembly opening section and used for filling the sealant, and the sealant of the annular groove abuts against the outer wall of the opening section of the bottle body.
In one embodiment, the port of the assembly opening section is provided with a first limit convex tooth, the outer wall of the bottle body opening section is provided with a second limit convex tooth, and the first limit convex tooth and the second limit convex tooth are mutually connected in an occlusion way.
In one embodiment, the outer wall of the body opening section is provided with a circumferential step, the second limit protrusion is provided on the circumferential step, and the outer wall surface of the fitting opening section is flush with the outer wall surface of the body main body.
In one embodiment, the body opening section is provided with a collar portion recessed radially inwardly, the inner wall surface of the fitting opening section projects radially to fit against the outer wall surface of the collar portion, and the outer wall surface of the body engaging section projects radially to fit against the inner wall surface of the collar portion.
In one embodiment, the outer wall of the body opening section is provided with a circumferential rib, the inner wall of the assembly opening section is provided with a circumferential groove, and the circumferential rib is embedded in the circumferential groove when the body opening section is inserted into the assembly opening section.
According to another aspect of the present invention, a hydrogen storage apparatus is provided. Specifically, the hydrogen storage device comprises the gas cylinder.
According to yet another aspect of the present invention, a hydrogen-fueled vehicle is provided. Specifically, the hydrogen fuel automobile comprises the hydrogen storage device.
The invention has at least the following beneficial effects:
the inner container of the gas storage bottle provided by the invention is formed by assembling a bottle body main body, a rigid end socket and a sealing sleeve, and an external bearing layer arranged outside the inner container is formed by winding carbon fiber composite materials and the like. During the concrete assembly, insert into the body opening section of body main part with sealed telescopic body cooperation section earlier, then insert into the assembly opening section of rigidity head with the body opening section of body main part to, make the outer wall laminating of body opening section assemble the inner wall of opening section of body and the outer wall laminating of body cooperation section, twine carbon-fibre composite at last, parcel body main part and rigidity head, thereby realize the interior high-pressure gas pressure of burden bottle. When high-pressure gas is filled, the air pressure is utilized to apply radial outward pressure on the sealing sleeve and the bottle body opening section, so that the sealing sleeve and the bottle body opening section are deformed, and the deformation of the rigid seal head is small, so that the sealing sleeve and the bottle body opening section are mutually extruded and the bottle body opening section is extruded on the inner wall of the assembling opening section of the rigid seal head, and the effective sealing effect is realized. Compared with the gas storage bottle prepared by the welding process in the prior art, the gas storage bottle provided by the invention adopts a module assembling mode, namely the gas storage bottle is assembled and formed by the bottle body main body, the rigid seal head, the sealing sleeve and the external pressure bearing layer, the assembling process is more perfect and simplified, production workers do not need to endure the high-temperature working environment of a welding workshop, the working environment of the workers is improved, and the humanization of the workshop is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic view of an assembled gas cylinder according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the assembled cylinder of FIG. 1 with the outer bearing layer removed;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural view of a body main body of the gas bomb according to the first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a rigid seal head of a gas bomb according to a first embodiment of the invention;
FIG. 7 is a schematic view of a sealing sleeve of a gas cylinder according to a first embodiment of the present invention;
FIG. 8 is a partial cross-sectional view of a gas cylinder according to a second embodiment of the present invention;
FIG. 9 is an enlarged view at C of FIG. 8;
FIG. 10 is a schematic view of the assembled gas cylinder of the third embodiment of the present invention;
fig. 11 is a schematic view of the assembled gas cylinder of fig. 10 with the outer pressure bearing layer removed.
Wherein, in the figures, the respective reference numerals:
10. a body main body; 11. an opening section of the bottle body; 111. an annular groove; 112. a second limit convex tooth; 113. a collar portion; 114. circumferential convex ribs;
20. a rigid end enclosure; 21. assembling the opening section; 211. a first limit convex tooth; 212. a circumferential clamping groove; 22. a valve seat section; 221. a gas transmission channel;
30. a sealing sleeve; 31. a body fitting section; 32. a seal head matching section; 321. an air outlet part; 33. a circumferential groove;
40. a seal ring;
100. an outer bearing layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
as shown in fig. 1 to 7, a schematic structural diagram of a gas cylinder according to an embodiment of the present invention is shown.
Specifically, as shown in fig. 1 to 3, the gas bomb provided by the first embodiment of the present invention includes a bomb body 10, a rigid closure 20, a sealing sleeve 30 and an external pressure-bearing layer 100, the bomb body 10 is integrally formed by a blow molding process, the sealing sleeve 30 is injection molded by an injection molding process, the rigid closure 20 is preferably made of a metal material (for example, made of an aluminum alloy material), the bomb body 10 is provided with at least one bomb body opening section 11, the rigid closure 20 is provided with an assembly opening section 21 and a valve seat section 22, the valve seat section 22 is provided with a gas transmission channel 221, the bomb body opening section 11 is inserted into the assembly opening section 21, an outer wall of the bomb body opening section 11 is attached to an inner wall of the assembly opening section 21, the sealing sleeve 30 includes a bomb body fitting section 31 and a closure fitting section 32, the closure fitting section 32 is provided with a gas outlet portion 321, the bomb body fitting section 31 is inserted into the bomb body opening section 11, an outer wall of the gas outlet fitting section 31 is attached to an inner wall of the rigid closure 20, the pressure-bearing portion 321 is communicated with the bomb body 10 and the external pressure-bearing layer 100.
In the first embodiment of the present invention, the gas storage cylinder is configured as an elongated straight cylinder, and only one end of the body main body 10 of the elongated straight cylinder is configured as the body opening section 11.
The thickness of the outer pressure bearing layer 100 is different according to the diameter and the working pressure of the body main body 10, and the outer pressure bearing layer 100 is formed of a fiber layer including a circumferential winding band, a high angle spiral winding and a low angle spiral winding. For example, under the working pressure of 70MPa, the number of the axial winding belts is 2-5 layers, the number of the spiral winding belts is 2-5 layers, and the thickness of the outer bearing layer 100 corresponding to the straight cylinder body of the gas storage cylinder is 4-10 mm. The outer pressure bearing layer 100 may be formed by winding through monofilament winding, multifilament winding, braiding winding, etc. in a wet or dry process. Wherein the circumferential winding mainly provides the ring stiffness of the straight barrel body of the cylinder and the low angle helical winding is used to provide axial strength through the valve seat sections 22 at both ends of the cylinder. Since the outer bearing layer 100 is thick, if only the circumferential winding and the low-angle helical winding are provided, a cavity of resin is formed between the edge of the circumferential winding and the low-angle helical winding, causing a local strength reduction to deteriorate safety. High angle spiral wraps that do not pass through the pole holes (i.e., the through holes of gas transfer channel 221) but only wrap below the shoulder of the rigid seal head 20 are therefore required between circumferential wraps and low angle spiral wraps to ensure a smooth transition in profile between the outer bearing layers 100 without cavities. For example, a typical 300mm outer diameter 36L cylinder has up to 30 layers of outer bearing layer 100 thickness, with approximately 6 to 7 high angle helical wraps. For the present application, a design without high angle spirals is used because the outer bearing layer 100 is thin (total number of layers and area extending below the shoulder of the rigid closure head 20).
Through the design, the fixing and sealing effects of the gas storage bottle in the service life can not be influenced by the damage of the interfaces among the bottle body opening section 11, the assembly opening section 21 and the bottle body matching section 31 generated by repeatedly charging and discharging high-pressure gas, so that the performance requirements of 70MPa working pressure, 2.25 times of burst pressure, 22000 times of cycle life and the like can be met.
The liner of the gas storage bottle provided by the invention is assembled and formed by a bottle body main body 10, a rigid seal head 20 and a sealing sleeve 30, and an external pressure bearing layer 100 arranged outside the liner is formed by winding carbon fiber composite materials and the like. During assembly, the body fitting section 31 of the sealing sleeve 30 is inserted into the body opening section 11 of the body main body 10, the body opening section 11 of the body main body 10 is inserted into the assembly opening section 21 of the rigid end enclosure 20, the outer wall of the body opening section 11 is attached to the assembly opening section 21, the outer wall of the body fitting section 31 is attached to the inner wall of the body opening section 11, the outer pressure bearing layer 100 is assembled, and the body main body 10 and the rigid end enclosure 20 are wrapped by the outer pressure bearing layer 100, so that high-pressure gas pressure in the bottle is borne. When high-pressure gas is filled, the sealing sleeve 30 and the bottle body opening section 11 are applied with radially outward pressure by using air pressure, so that the sealing sleeve 30 and the bottle body opening section 11 are deformed, and the deformation of the rigid seal head 20 is small (the metal material is hardly deformed), so that the sealing sleeve 30 and the bottle body opening section 11 are mutually extruded, and the bottle body opening section 11 is extruded on the inner wall of the assembly opening section 21 of the rigid seal head 20, thereby realizing effective sealing effect. Compared with the gas storage bottle prepared by the welding process in the prior art, the gas storage bottle provided by the invention adopts a module assembling mode, namely the gas storage bottle is assembled and molded through the bottle body main body 10, the rigid seal head 20, the sealing sleeve 30 and the external pressure bearing layer 100, the assembling process is more complete and simplified, production workers do not need to endure the high-temperature working environment of a welding workshop, the working environment of the workers is improved, and the humanization of the workshop is realized.
In the first embodiment of the present invention, the slender bottle body 10 is designed to have a thin wall and a small diameter, wherein the inner diameter of the bottle body ranges from 50mm to 100mm, the wall thickness ranges from 1mm to 5mm, and the length ranges from 1000mm to 3000mm. The wall thickness of the arc-shaped area of the assembling opening section 21 close to the valve seat section 22 ranges from 2mm to 4mm, and the wall thickness of the joint part of the rigid seal head 20 and the bottle body 10 (i.e. the assembling opening section 21) ranges from 1mm to 2mm.
In order to ensure that the gas storage cylinder can be always sealed and does not leak when storing high-pressure gas, as shown in fig. 4 and 7, at least one circumferential groove 33 is formed in the outer wall of the body fitting section 31, the circumferential groove 33 is used for filling a sealant, and the sealant in the circumferential groove 33 abuts against the inner wall of the body opening section 11. Thus, when high-pressure gas is stored in the gas storage bottle, the air pressure acting force of the high-pressure gas is applied to the inner wall of the sealing sleeve 30, and at the moment, the whole sealing sleeve 30 is stressed to expand and deform, so that the outer side wall of the bottle body matching section 31 is attached to the inner wall of the bottle body opening section 11, and the outer side wall of the end socket matching section 32 is attached to the inner wall of the rigid end socket 20. Accordingly, the sealant filled in the circumferential groove 33 is also deformed by the compression, and thus, the sealant more sufficiently seals between the body fitting section 31 and the body opening section 11. Or, in another embodiment, at least one circumferential groove 33 is formed on the inner wall of the body opening section 11, the circumferential groove 33 is used for filling the sealant, and the sealant of the circumferential groove 33 abuts against the outer wall of the body matching section 31, so that when the high-pressure gas is stored in the gas storage cylinder, the sealant filled in the circumferential groove 33 is also extruded and deformed by the air pressure of the high-pressure gas, and thus the sealant more fully seals between the body matching section 31 and the body opening section 11.
In the first embodiment of the present invention, the number of the circumferential grooves 33 is plural, and two adjacent circumferential grooves 33 are arranged at intervals, so that a multi-stage seal is formed by filling the sealant into the plural circumferential grooves 33, thereby improving the sealing reliability. Further, as shown in fig. 3 and 4, the end of the body fitting section 31 exceeds the end of the fitting opening section 21, and at least one circumferential groove 33 is provided between the end of the body fitting section 31 and the end of the fitting opening section 21. When high-pressure gas is stored in the gas storage cylinder, the amount of outward deformation generated by the rigid end socket 20 under the action of the gas pressure of the high-pressure gas is small, and the amount of outward deformation generated by the body main body 10 and the sealing sleeve 30 under the action of the gas pressure of the high-pressure gas is relatively large relative to the amount of deformation of the rigid end socket 20, so that the portion of the body fitting section 31 beyond the end of the assembly opening section 21 and the corresponding body main body 10 are relatively large relative to the amount of outward deformation of the portion inserted into the rigid end socket 20 under the action of the gas pressure of the high-pressure gas. Therefore, the sealant filled in the circumferential groove 33 provided between the end of the body fitting section 31 and the end of the fitting opening section 21 is more significantly compressed and deformed by the gas pressure of the high-pressure gas, thereby having a more reliable sealing effect between the body fitting section 31 and the body opening section 11. In the first embodiment of the present invention, only one circumferential groove 33 is provided between the end of the body fitting section 31 and the end of the fitting opening section 21.
In order to further improve the sealing effect of the gas cylinder and prevent the gas cylinder from leaking when storing high-pressure gas, as shown in fig. 3 and 7, the gas outlet portion 321 protrudes from the outer wall of the head fitting section 32 in a direction away from the body fitting section 31, the gas outlet portion 321 is inserted into the gas transmission channel 221, and a sealing ring 40 is disposed between the gas outlet portion 321 and the hole wall of the gas transmission channel 221, preferably, the sealing ring 40 is installed at the joint position of the head fitting section 32 and the gas outlet portion 321. Like this, when having stored high-pressure gas in the gas bomb, head cooperation section 32 receives the outer deformation volume of high-pressure gas's atmospheric pressure effect to be greater than the outer deformation volume of valve seat section 22, therefore, head cooperation section 32 and valve seat section 22 are with sealing washer 40 extrusion deformation, have also formed a heavy seal between head cooperation section 32 and valve seat section 22, cooperate the sealed glue formation's that fills in the circumference slot 33 sealed, guarantee the sealing performance of gas bomb more effectively, effectively prevent high-pressure gas leakage.
Further, as shown in fig. 4 and 5, at least one annular groove 111 is circumferentially opened on the outer wall of the body opening section 11, the annular groove 111 is used for filling the sealant, and the sealant of the annular groove 111 abuts against the inner wall of the fitting opening section 21. When high-pressure gas is stored in the gas storage bottle, the rigid seal head 20 is small in outward deformation amount generated under the action of the air pressure of the high-pressure gas, and the bottle body main body 10 and the sealing sleeve 30 are large in outward deformation amount generated under the action of the air pressure of the high-pressure gas relative to the deformation amount of the rigid seal head 20, so that the bottle body opening section 11 is outward deformed and is attached and extruded on the inner wall of the assembly opening section 21, the sealing glue filled in the annular groove 111 is extruded and deformed, good sealing is formed between the bottle body opening section 11 and the assembly opening section 21, sealing formed by the sealing glue filled in the circumferential groove 33 is matched with sealing between the seal head matching section 32 and the valve seat section 22 through the sealing ring 40, and a better sealing effect is achieved. In the first embodiment of the present invention, only one annular groove 111 is disposed on the outer wall of the bottle body opening section 11. Alternatively, in another embodiment, the inner wall of the assembly opening section 21 is circumferentially provided with at least one annular groove 111, the annular groove 111 is used for filling the sealant, and the sealant of the annular groove 111 abuts against the outer wall of the body opening section 11, so that when the high-pressure gas is stored in the gas storage cylinder, the gas pressure of the high-pressure gas causes the sealant filled in the annular groove 111 to be also extruded and deformed, and thus the sealant sufficiently seals between the assembly opening section 21 and the body opening section 11.
As shown in fig. 2 and 6, the port of the fitting opening section 21 is provided with a first stopper tooth 211. Correspondingly, as shown in fig. 2 and 5, the outer wall of the bottle body opening section 11 is provided with a second limiting convex tooth 112, and the first limiting convex tooth 211 and the second limiting convex tooth 112 are mutually connected in an occluded manner, so that the rigid end socket 20 is prevented from rotating around the central axis of the gas storage bottle relative to the bottle body main body 10, and the overall stability of the gas storage bottle is ensured. In the first embodiment of the present invention, the port of the assembling opening section 21 is provided with the first wavy limiting convex tooth 211, and correspondingly, the outer wall of the bottle body opening section 11 is also provided with the second wavy limiting convex tooth 112 adapted to the first wavy limiting convex tooth 211, so that after the first limiting convex tooth 211 and the second limiting convex tooth 112 are engaged with each other and assembled, the rigid closure 20 can be prevented from rotating around the central axis of the gas cylinder relative to the bottle body 10.
Specifically, as shown in fig. 3 to 5, the outer wall of the body opening section 11 is provided with a circumferential step (not labeled), the second limit protrusion 112 is disposed on the circumferential step, and the outer wall surface of the assembly opening section 21 is flush with the outer wall surface of the body main body 10, so that the body surface of the assembled gas cylinder is smoother.
In the first embodiment of the present invention, as shown in fig. 5, the body opening section 11 is provided with a collar portion 113 recessed radially inward. Accordingly, as shown in fig. 3 and 4, the inner wall surface of the fitting opening section 21 is projected radially to fit with the outer wall surface of the collar portion 113, and the outer wall surface of the body fitting section 31 is projected radially to fit with the inner wall surface of the collar portion 113. Thus, inserting the body opening section 11 into the assembly opening section 21 and inserting the body matching section 31 into the body opening section 11, the tenon-and-mortise structures are formed between the body opening section 11 and the assembly opening section 21 and between the body matching section 31 and the body opening section 11. Therefore, when high-pressure gas is stored in the gas storage cylinder, the sealing sleeve 30 and the rigid seal head 20 are limited under the limiting action of the mortise and tenon structure and cannot be separated from the body main body 10 along the axial direction, and the reliability of the gas storage cylinder is further improved.
Example two:
as shown in fig. 8 and 9, it shows a schematic structural diagram of a gas bomb provided by the second embodiment of the invention.
The gas cylinder provided in example two has the following differences compared with the gas cylinder provided in example one.
In the second embodiment of the present invention, in order to further enhance the effect of limiting the axial separation of the sealing sleeve 30 and the rigid sealing head 20 relative to the body 10, the outer wall of the body opening section 11 is provided with a circumferential rib 114, the inner wall of the assembly opening section 21 is provided with a circumferential groove 212, and as shown in fig. 9, the circumferential rib 114 is inserted into the circumferential groove 212 when the body opening section 11 is inserted into the assembly opening section 21. When high-pressure gas is stored in the gas storage cylinder, the rigid seal head 20 and the body 10 are limited in the freedom of movement of axial separation by the cooperation of the circumferential convex rib 114 and the circumferential clamping groove 212, and further the rigid seal head 20 limits the freedom of axial movement of the sealing sleeve 30 relative to the body 10.
Alternatively, in another embodiment, the inner wall of the assembly opening section 21 is provided with a circumferential rib 114, and correspondingly, the outer wall of the body opening section 11 is provided with a circumferential groove 212, and the circumferential rib 114 is inserted into the circumferential groove 212 when the body opening section 11 is inserted into the assembly opening section 21.
In the gas cylinder provided in the second embodiment, compared with the gas cylinder provided in the first embodiment, except for the above structure, the other structures are the same, and thus the description thereof is omitted.
Example three:
as shown in fig. 10 and fig. 11, it shows a schematic structural diagram of a gas bomb provided by a third embodiment of the invention. The gas cylinder provided in example three has the following differences compared with the gas cylinder provided in example one or example two.
In the third embodiment of the present invention, the gas bomb is a slender straight bomb, and the two opposite ends of the body 10 of the slender straight bomb are both provided with the body opening sections 11, and are both assembled and formed into the end of the gas bomb by the rigid end enclosure 20 and the sealing sleeve 30.
In the gas cylinder provided in the third embodiment, compared with the gas cylinder provided in the first embodiment or the second embodiment, except for the above structure, the other structures are the same, and thus the description thereof is omitted.
According to another aspect of the present invention, a hydrogen storage apparatus is provided. Specifically, the hydrogen storage device comprises the gas storage cylinder.
According to still another aspect of the present invention, a hydrogen-fueled vehicle is provided. Specifically, the hydrogen fuel automobile comprises the hydrogen storage device.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (11)
1. A gas cylinder, comprising:
a body (10), the body (10) being provided with at least one body opening section (11);
the rigid seal head (20) is provided with an assembling opening section (21) and a valve seat section (22), the valve seat section (22) is provided with a gas transmission channel (221), the bottle body opening section (11) is inserted into the assembling opening section (21), and the outer wall of the bottle body opening section (11) is attached to the inner wall of the assembling opening section (21);
sealing sleeve (30), sealing sleeve (30) include body cooperation section (31) and head cooperation section (32), head cooperation section (32) are equipped with gas outlet portion (321), body cooperation section (31) are inserted into in body opening section (11), the outer wall laminating of body cooperation section (31) in the inner wall of body opening section (11), and, the outer wall laminating of head cooperation section (32) in the inner wall of rigidity head (20), gas outlet portion (321) with gas transmission channel (221) are linked together.
2. The gas cylinder as set forth in claim 1,
the outer wall of the bottle body matching section (31) is provided with at least one circumferential groove (33), the circumferential groove (33) is used for filling sealant, and the sealant of the circumferential groove (33) abuts against the inner wall of the bottle body opening section (11);
or, at least one circumference slot (33) has been seted up to the inner wall of body opening section (11), circumference slot (33) are used for filling sealed glue, just sealed glue butt of circumference slot (33) the outer wall of body cooperation section (31).
3. A gas cylinder according to claim 2,
the end of the body fitting section (31) exceeds the end of the assembly opening section (21), the number of the circumferential grooves (33) is plural, and at least one circumferential groove (33) is provided between the end of the body fitting section (31) and the end of the assembly opening section (21).
4. A gas cylinder according to claim 3,
the gas outlet part (321) protrudes out of the outer wall of the end socket matching section (32) towards the direction far away from the bottle body matching section (31), the gas outlet part (321) is inserted into the gas transmission channel (221), and a sealing ring (40) is arranged between the gas outlet part (321) and the hole wall of the gas transmission channel (221).
5. A gas cylinder according to any one of claims 1 to 4,
the outer wall of the bottle body opening section (11) is circumferentially provided with at least one annular groove (111), the annular groove (111) is used for filling sealant, and the sealant of the annular groove (111) abuts against the inner wall of the assembly opening section (21);
or, the inner wall of the assembly opening section (21) is circumferentially provided with at least one annular groove (111), the annular groove (111) is used for filling sealant, and the sealant of the annular groove (111) abuts against the outer wall of the bottle body opening section (11).
6. A gas cylinder according to claim 5,
the port of the assembly opening section (21) is provided with a first limit convex tooth (211), the outer wall of the bottle body opening section (11) is provided with a second limit convex tooth (112), and the first limit convex tooth (211) and the second limit convex tooth (112) are mutually meshed and connected.
7. A gas cylinder according to claim 6,
the outer wall of body opening section (11) is equipped with circumference step, second spacing convex tooth (112) set up in circumference step, and, the outer wall surface of assembly opening section (21) with the outer wall surface parallel and level of body main part (10).
8. A gas cylinder according to claim 7,
the bottle body opening section (11) is provided with a ring neck portion (113) which is recessed inwards along the radial direction, the inner wall surface of the assembly opening section (21) protrudes towards the radial direction to be matched and attached with the outer wall surface of the ring neck portion (113), and the outer wall surface of the bottle body matching section (31) protrudes towards the radial direction to be matched and attached with the inner wall surface of the ring neck portion (113).
9. A gas cylinder according to claim 7,
the outer wall of the bottle body opening section (11) is provided with a circumferential convex rib (114), the inner wall of the assembly opening section (21) is provided with a circumferential clamping groove (212), and the circumferential convex rib (114) is clamped and embedded in the circumferential clamping groove (212) when the bottle body opening section (11) is inserted into the assembly opening section (21).
10. A hydrogen storage device comprising a gas cylinder according to any one of claims 1 to 9.
11. A hydrogen-fueled vehicle comprising the hydrogen storage device according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211103920.7A CN115451326A (en) | 2022-09-09 | 2022-09-09 | Gas storage cylinder, hydrogen storage device and hydrogen fuel automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211103920.7A CN115451326A (en) | 2022-09-09 | 2022-09-09 | Gas storage cylinder, hydrogen storage device and hydrogen fuel automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115451326A true CN115451326A (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211103920.7A Pending CN115451326A (en) | 2022-09-09 | 2022-09-09 | Gas storage cylinder, hydrogen storage device and hydrogen fuel automobile |
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| CN (1) | CN115451326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116105060A (en) * | 2023-03-31 | 2023-05-12 | 吉林化工学院 | Novel light hydrogen-resistant high-pressure container |
-
2022
- 2022-09-09 CN CN202211103920.7A patent/CN115451326A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116105060A (en) * | 2023-03-31 | 2023-05-12 | 吉林化工学院 | Novel light hydrogen-resistant high-pressure container |
| CN116105060B (en) * | 2023-03-31 | 2023-08-29 | 吉林化工学院 | Light hydrogen-resistant high-pressure container |
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