CN212298517U - Vehicle-mounted light-weight fully-wound fiber-reinforced aluminum lining high-pressure hydrogen storage cylinder - Google Patents
Vehicle-mounted light-weight fully-wound fiber-reinforced aluminum lining high-pressure hydrogen storage cylinder Download PDFInfo
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- CN212298517U CN212298517U CN202022325828.8U CN202022325828U CN212298517U CN 212298517 U CN212298517 U CN 212298517U CN 202022325828 U CN202022325828 U CN 202022325828U CN 212298517 U CN212298517 U CN 212298517U
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- 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
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Abstract
The utility model discloses a light full winding fibre reinforcing aluminium inside lining high pressure hydrogen storage cylinder of on-vehicle matter, this hydrogen storage cylinder includes thickness of variation seamless aluminum alloy inside lining (100), install reinforcement sleeve pipe (200) on shoulder bottle neck (104) of thickness of variation seamless aluminum alloy inside lining (100), install carbon fiber winding layer (300) on thickness of variation seamless aluminum alloy inside lining (100) surface and reinforcement sleeve pipe (200) surface, install glass fiber shock resistance layer (400) on carbon fiber winding layer (300) surface and reinforcement sleeve pipe (200) surface, sleeve pipe straight thread (201) on the internal surface of the reinforcement sleeve pipe (200) that adopt the aluminum alloy to make and shoulder bottle neck straight thread (105) threaded connection on bottle neck (104) surface even. The utility model discloses matter is light, the volume-to-weight ratio is big, working pressure is high, fatigue cycle number of times is many, can improve bottleneck structure and security performance, ensures the running quality.
Description
Technical Field
The utility model belongs to the technical field of on-vehicle hydrogen storage cylinder technique and specifically relates to a light full winding fibre reinforcing aluminium inside lining high pressure hydrogen storage cylinder of on-vehicle matter that matter is light, the volume-to-weight ratio is big, operating pressure is high, fatigue cycle number of times is many.
Background
The high-pressure hydrogen storage cylinder is a key device applied to a new energy vehicle, and the working pressure can reach 35-70 MPa. Limited by the density of the hydrogen gas, the hydrogen storage capacity is difficult to be greatly increased. In the prior art, the hydrogen storage cylinder adopts a method of increasing the thickness of the lining when the hydrogen storage cylinder is in high pressure and high cycle fatigue, so that the weight is increased sharply, and the endurance mileage is influenced. Under high pressure, the cylinder mouth of the gas cylinder is usually reinforced by adopting a thermal expansion connection steel sleeve, which may cause the deformation of the thread of the cylinder mouth and the outward movement of the steel sleeve, and the smooth transition between the steel sleeve and the cylinder mouth or the aluminum alloy lining is difficult, thereby influencing the stress distribution of winding fibers and seriously influencing the quality of the hydrogen storage cylinder.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a light full winding fibre reinforcing aluminium inside lining high pressure hydrogen storage cylinder of on-vehicle matter that matter is light, the volume-to-weight ratio is big, operating pressure is high, fatigue cycle number of times is many to the problem that weight sharply increased, continuation of the journey mileage was lower, bottle mouth screw thread warp and the steel bushing scurried outward when current hydrogen storage cylinder high pressure was with high all fatigue.
The utility model aims at solving through the following technical scheme:
the utility model provides a light full winding fibre reinforcing aluminium inside lining high pressure hydrogen storage cylinder of on-vehicle matter which characterized in that: the hydrogen storage cylinder comprises a variable-thickness seamless aluminum alloy lining, a reinforcing sleeve arranged on a shoulder cylinder nozzle of the variable-thickness seamless aluminum alloy lining, a carbon fiber winding layer arranged on the outer surface of the variable-thickness seamless aluminum alloy lining and the outer surface of the reinforcing sleeve, and a glass fiber shock-resistant layer arranged on the outer surface of the carbon fiber winding layer and the outer surface of the reinforcing sleeve, wherein the sleeve straight thread on the inner surface of the reinforcing sleeve made of aluminum alloy is connected with the cylinder nozzle straight thread on the outer surface of the shoulder cylinder nozzle.
The variable-thickness seamless aluminum alloy lining comprises an ellipsoid back cover, a middle cylinder body connected with the ellipsoid back cover in a smooth and seamless mode, a transition bottle shoulder connected with the middle cylinder body in a smooth and seamless mode, and a shoulder bottle neck connected with the transition bottle shoulder in a smooth and seamless mode, wherein the transition bottle shoulder is a spherical circular arc, the circular arc diameter of the transition bottle shoulder is consistent with the inner diameter of the middle cylinder body, and bottle neck straight threads are formed in the inner surface and the outer surface of the shoulder bottle neck.
The transition region of the ellipsoid back cover and the middle cylinder, the transition region of the middle cylinder and the transition bottle shoulder, and the transition region of the transition bottle shoulder and the shoulder-connected bottle mouth adopt equal-strength reinforcement or limit load reinforcement.
The bottle mouth straight thread is paved with anaerobic sealant, and the anaerobic sealant is prepared from acrylic resin, an initiator, an accelerant and a stabilizer.
The inside surface of the pipe orifice of the reinforcing sleeve is provided with straight sleeve threads, the outer surface of the reinforcing sleeve is provided with a circumferential micro-protrusion arranged along the axial direction of the reinforcing sleeve, the longitudinal section of the circumferential micro-protrusion is of a sine curved surface structure, the height of the circumferential micro-protrusion is gradually increased by 10% -20% of the growth rate, the rear side of the last-stage micro-protrusion is made into an arc, and the curvature of the arc is consistent with the transition part of the shoulder connecting bottle mouth and the transition bottle shoulder on the variable-thickness seamless aluminum alloy lining.
The carbon fiber winding layer and the glass fiber shock-resistant layer are sequentially laid on the surface of the annular slight bulge towards the opening direction of the shoulder-connected bottle mouth, so that the strength of the reinforcing sleeve is improved, and the reinforcing sleeve is prevented from being externally scurried.
A bonding layer is arranged between the variable-thickness seamless aluminum alloy lining and the carbon fiber winding layer, the bonding layer is coated on the outer surface of the variable-thickness seamless aluminum alloy lining before the carbon fiber winding layer is wound, and the bonding layer is made of resin liquid filler.
The carbon fiber winding layer is formed by impregnating T1400 carbon fibers with resin mixed colloid, and the content of the T1400 carbon fibers exceeds 0.52; the impregnating resin mixed colloid is prepared from epoxy resin or modified epoxy resin, a curing agent and an additive, wherein the mass ratio of the epoxy resin or modified epoxy resin, the curing agent and the additive is 1: 0.4-0.6: 0.1-0.2.
The carbon fiber winding layer is laid on the outer surface of the variable-thickness seamless aluminum alloy lining in an equal-strength annular winding and axial spiral winding manner, and the winding scheme of the carbon fiber winding layer is subjected to winding stress analysis design according to ANSYS software; the middle cylinder part of the variable-thickness seamless aluminum alloy lining is sequentially and continuously wound in an annular winding mode and an axial spiral winding mode step by step in an alternating mode; the ellipsoidal back cover, the transition bottle shoulder and the transition part of the transition bottle shoulder and the shoulder-connected bottle mouth of the variable-thickness seamless aluminum alloy lining are spirally wound in a variable-angle axial direction in combination with the radian; the shoulder-connected bottle mouth part adopts circumferential winding.
The glass fiber impact-resistant layer adopts S-shaped glass fiber or E-shaped glass fiber, and the winding and laying mode of the glass fiber impact-resistant layer is spiral winding and circumferential winding which are sequentially and continuously wound step by step alternately.
Compared with the prior art, the utility model has the following advantages:
the utility model discloses a hydrogen storage cylinder compact structure, matter are light, the volume-to-weight ratio is big, operating pressure is high, fatigue cycle number is many, can effectively improve new forms of energy car continuation of the journey mileage, improve gas cylinder bottle neck structure and security performance to ensure hydrogen storage cylinder running quality.
Drawings
FIG. 1 is a schematic structural view of a vehicle-mounted lightweight fully-wrapped fiber-reinforced aluminum-lined high-pressure hydrogen storage cylinder of the present invention;
FIG. 2 is a schematic structural view of the variable thickness seamless aluminum alloy lining of the present invention;
fig. 3 is a schematic view of the sectional structure of the reinforcing sleeve of the present invention.
Wherein: 100-variable thickness seamless aluminum alloy lining; 101-ellipsoidal back cover; 102-middle cylinder; 103-transition shoulder; 104-shoulder connecting bottle mouth; 105-straight thread of bottle mouth; 106-anaerobic type sealant; 200-reinforcing sleeve; 201-straight thread of the sleeve; 202-circumferential slight convex; 203-arc; 300-carbon fiber winding layer; 400-glass fiber impact resistant layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-3: a vehicle-mounted light-weight fully-wound fiber-reinforced aluminum lining high-pressure hydrogen storage cylinder comprises a variable-thickness seamless aluminum alloy lining 100, a reinforcing sleeve 200 arranged on a shoulder connecting cylinder mouth 104 of the variable-thickness seamless aluminum alloy lining 100, a carbon fiber winding layer 300 arranged on the outer surface of the variable-thickness seamless aluminum alloy lining 100 and the outer surface of the reinforcing sleeve 200, and a glass fiber shock-resistant layer 400 arranged on the outer surface of the carbon fiber winding layer 300 and the outer surface of the reinforcing sleeve 200; a bonding layer is arranged between the variable-thickness seamless aluminum alloy lining 100 and the carbon fiber winding layer 300, a bonding layer is laid between the variable-thickness seamless aluminum alloy lining 100 and the carbon fiber winding layer 300 in advance, the bonding layer is coated on the outer surface of the variable-thickness seamless aluminum alloy lining 100 before the carbon fiber winding layer 300 is wound, and the bonding layer is made of resin liquid filler; the carbon fiber winding layer 300 is formed by mixing T1400 carbon fibers with impregnating resin, the carbon fiber winding layer 300 is laid in the mode of equal-strength hoop winding and axial spiral winding, and the winding scheme of the carbon fiber winding layer 300 is subjected to winding stress analysis design according to ANSYS software; the glass fiber impact resistant layer 400 is laid by sequentially and continuously alternating hoop winding and axial spiral winding step by step. The whole blank of the variable thickness seamless aluminum alloy lining 100 is a 6061 aluminum alloy plate and the whole blank of the reinforcing sleeve 200 is a 6061 aluminum alloy seamless pipe, and the sleeve straight thread 201 on the inner surface of the reinforcing sleeve 200 is in threaded connection with the bottle neck straight thread 105 on the outer surface of the shoulder-connected bottle neck 104.
As shown in fig. 2, the variable thickness seamless aluminum alloy lining 100 comprises an ellipsoid back cover 101, a middle cylinder 102 smoothly and seamlessly connected with the ellipsoid back cover 101, a transition bottle shoulder 103 smoothly and seamlessly connected with the middle cylinder 102, and a shoulder connecting bottle mouth 104 smoothly and seamlessly connected with the transition bottle shoulder 103, wherein the transition bottle shoulder 103 is a spherical circular arc, the circular arc diameter of the transition bottle shoulder 103 is consistent with the inner diameter of the middle cylinder 102, and the transition region of the ellipsoid back cover 101 and the middle cylinder 102, the transition region of the middle cylinder 102 and the transition bottle shoulder 103, and the transition region of the transition bottle shoulder 103 and the shoulder connecting bottle mouth 104 are reinforced by equal strength or ultimate load; the inner surface and the outer surface of the shoulder-connected bottle mouth 104 are both provided with a bottle mouth straight thread 105, an anaerobic sealant 106 is laid on the bottle mouth straight thread 105, and the anaerobic sealant 106 is prepared by taking acrylic resin as a main material and assisting with a small amount of initiator, accelerator and stabilizer.
As shown in fig. 3, a straight sleeve thread 201 is provided on the inner surface of the orifice of the reinforcing sleeve 200, the reinforcing sleeve 200 is connected to the straight bottle neck thread 105 on the shoulder connecting bottle neck 104 through the straight sleeve thread 201 and the anaerobic sealant 106 on the inner surface, a circumferential micro-protrusion 202 is provided on the outer surface of the reinforcing sleeve 200 along the axial direction of the reinforcing sleeve 200, the longitudinal section of the circumferential micro-protrusion 202 is a sine curved surface structure, the micro-protrusion height of the circumferential micro-protrusion 202 is gradually increased by 10% -20% at a growth rate, an arc 203 is formed on the rear side of the last stage of micro-protrusion, and the arc 203 is tangent to the transition region between the shoulder connecting bottle neck 104 and the transition bottle shoulder 103 on the variable thickness seamless aluminum alloy lining 100. The carbon fiber winding layer 300 and the glass fiber shock-resistant layer 400 are sequentially laid on the surface of the annular slight protrusion 202 towards the opening direction of the shoulder-connected bottle neck 104, so that the strength of the reinforcing sleeve 200 is improved, the reinforcing sleeve 200 is prevented from channeling outwards, and the service life of the shoulder-connected bottle neck 104 is prolonged.
Further, the carbon fiber winding layer 300 is formed by impregnating T1400 carbon fibers with resin mixed colloid, wherein the content of the T1400 carbon fibers exceeds 0.52; the impregnating resin mixed colloid is prepared from epoxy resin or modified epoxy resin, a curing agent and an additive, wherein the mass ratio of the epoxy resin or modified epoxy resin to the curing agent to the additive is 1: 0.4-0.6: 0.1-0.2. The carbon fiber winding layer 300 is laid on the outer surface of the variable-thickness seamless aluminum alloy lining 100 in an equal-strength annular winding manner and an axial spiral winding manner, and the winding scheme of the carbon fiber winding layer 300 is subjected to winding stress analysis design according to ANSYS software; the specific scheme is as follows: the middle cylinder 102 part of the variable-thickness seamless aluminum alloy lining 100 is sequentially and continuously wound in an annular winding mode and an axial spiral winding mode step by step in an alternating mode, and the laying sequence of a given carbon fiber winding layer 300 is as follows: 2 layers of hoop winding, 4 layers of spiral winding, 4 layers of hoop winding, 6 layers of spiral winding, 6 layers of hoop winding, 8 layers of spiral winding, 4 layers of hoop winding, 6 layers of spiral winding, 2 layers of hoop winding, 4 layers of spiral winding and 4 layers of hoop winding; the ellipsoidal back cover 101, the transition shoulder 103 and the transition part of the transition shoulder 103 of the variable-thickness seamless aluminum alloy lining 100 and the shoulder-connected bottle mouth 104 of the variable-thickness seamless aluminum alloy lining 100 are spirally wound in a variable-angle axial direction in combination with radian; the shoulder nozzle 104 is partially wound in a circumferential direction.
Furthermore, the glass fiber impact-resistant layer 400 is made of S-type glass fiber or E-type glass fiber, and the glass fiber impact-resistant layer 400 is wound and laid in a spiral winding mode and a hoop winding mode, wherein the spiral winding mode and the hoop winding mode are sequentially and continuously wound step by step; the order of laying a fiberglass impact layer 400 is given by: 2 layers of spiral winding and 2 layers of annular winding are sequentially and continuously wound in turn step by step.
The utility model discloses a hydrogen storage cylinder compact structure, matter are light, the volume-to-weight ratio is big, operating pressure is high, fatigue cycle number is many, can effectively improve new forms of energy car continuation of the journey mileage, improve gas cylinder bottle neck structure and security performance to ensure hydrogen storage cylinder running quality.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.
Claims (10)
1. The utility model provides a light full winding fibre reinforcing aluminium inside lining high pressure hydrogen storage cylinder of on-vehicle matter which characterized in that: the hydrogen storage cylinder comprises a variable-thickness seamless aluminum alloy lining (100), a reinforcing sleeve (200) which is arranged on a shoulder cylinder nozzle (104) of the variable-thickness seamless aluminum alloy lining (100), a carbon fiber winding layer (300) which is arranged on the outer surface of the variable-thickness seamless aluminum alloy lining (100) and the outer surface of the reinforcing sleeve (200), a glass fiber shock-resistant layer (400) which is arranged on the outer surface of the carbon fiber winding layer (300) and the outer surface of the reinforcing sleeve (200), and a sleeve straight thread (201) on the inner surface of the reinforcing sleeve (200) made of aluminum alloy and a cylinder nozzle straight thread (105) which is arranged on the outer surface of the shoulder cylinder nozzle (104) are in threaded connection.
2. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to claim 1, characterized in that: the variable-thickness seamless aluminum alloy lining (100) comprises an ellipsoid back cover (101), a middle cylinder (102) which is connected with the ellipsoid back cover (101) in a smooth and seamless mode, a transition bottle shoulder (103) which is connected with the middle cylinder (102) in a smooth and seamless mode, and a shoulder bottle neck (104) which is connected with the transition bottle shoulder (103) in a smooth and seamless mode, wherein the transition bottle shoulder (103) is a spherical circular arc, the diameter of the circular arc of the transition bottle shoulder is consistent with the inner diameter of the middle cylinder (102), and bottle neck straight threads (105) are formed in the inner surface and the outer surface of the shoulder bottle neck (104).
3. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to claim 2, characterized in that: the transition region of the ellipsoidal back cover (101) and the middle cylinder (102), the transition region of the middle cylinder (102) and the transition bottle shoulder (103), and the transition region of the transition bottle shoulder (103) and the shoulder-connected bottle mouth (104) are reinforced by equal strength or ultimate load.
4. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to claim 2, characterized in that: anaerobic type sealant (106) is paved on the straight thread (105) of the bottle mouth.
5. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to any one of claims 1 to 4, characterized in that: the pipe orifice inner surface of reinforcement sleeve pipe (200) on be equipped with sleeve pipe straight thread (201), be equipped with on the surface of reinforcement sleeve pipe (200) along the little protruding (202) of hoop that the axial of reinforcement sleeve pipe (200) set up, the longitudinal section of the little protruding (202) of hoop is the little protruding height of sinusoidal curved surface structure and the little protruding (202) of hoop and increases gradually with 10% ~ 20% growth rate step by step, make circular arc (203) at the rear side of the little protruding of last level, the camber of circular arc (203) is unanimous with the transition part of even shoulder bottleneck (104) and transition bottleneck (103) on the seamless aluminum alloy inside lining of thickness change (100).
6. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to claim 5, characterized in that: the carbon fiber winding layer (300) and the glass fiber impact-resistant layer (400) are sequentially paved on the surface of the annular micro-protrusion (202) towards the opening direction of the shoulder-connected bottle mouth (104) so as to improve the strength of the reinforcing sleeve (200) and avoid the reinforcing sleeve (200) from channeling outwards.
7. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to claim 1, characterized in that: a bonding layer is arranged between the variable-thickness seamless aluminum alloy lining (100) and the carbon fiber winding layer (300), and the bonding layer is coated on the outer surface of the variable-thickness seamless aluminum alloy lining (100) before the carbon fiber winding layer (300) is wound.
8. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to claim 1, characterized in that: the carbon fiber winding layer (300) is formed by impregnating T1400 carbon fibers with resin mixed colloid, and the content of the T1400 carbon fibers exceeds 0.52.
9. The vehicle-mounted lightweight fully-wrapped fiber-reinforced aluminum-lined high-pressure hydrogen storage cylinder according to any one of claims 1, 2, 7 and 8, characterized in that: the carbon fiber winding layer (300) is laid on the outer surface of the seamless aluminum alloy lining (100) with variable thickness in an equal-strength annular winding and axial spiral winding mode, and the winding scheme of the carbon fiber winding layer (300) is subjected to winding stress analysis design according to ANSYS software; the middle cylinder (102) part of the variable-thickness seamless aluminum alloy lining (100) is sequentially and continuously wound step by step in an annular winding mode and an axial spiral winding mode; the ellipsoid back cover (101) of the variable-thickness seamless aluminum alloy lining (100), the transition bottle shoulder (103) and the transition part of the shoulder-connected bottle mouth (104) of the variable-thickness seamless aluminum alloy lining (100) are spirally wound in a variable-angle axial direction in combination with radian; the shoulder-connected bottle mouth (104) part adopts hoop winding.
10. The vehicle-mounted lightweight fully-wrapped fiber reinforced aluminum-lined high-pressure hydrogen storage cylinder according to claim 1, characterized in that: the glass fiber impact-resistant layer (400) is made of S-type glass fiber or E-type glass fiber, and the glass fiber impact-resistant layer (400) is wound and laid in a spiral winding mode and a hoop winding mode, wherein the spiral winding mode and the hoop winding mode are sequentially and continuously wound step by step alternately.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022325828.8U CN212298517U (en) | 2020-10-19 | 2020-10-19 | Vehicle-mounted light-weight fully-wound fiber-reinforced aluminum lining high-pressure hydrogen storage cylinder |
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| CN202022325828.8U CN212298517U (en) | 2020-10-19 | 2020-10-19 | Vehicle-mounted light-weight fully-wound fiber-reinforced aluminum lining high-pressure hydrogen storage cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1030371B1 (en) * | 2022-04-28 | 2023-10-13 | Sinoma Science & Tech Chengdu Co Ltd | SECONDARY THREAD PROCESSING METHOD FOR ALUMINUM ALLOY LINER OF CARBON FIBER REINFORCED FULLY WRAPPED 70 MPA HYDROGEN PRESSURE VESSEL |
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2020
- 2020-10-19 CN CN202022325828.8U patent/CN212298517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1030371B1 (en) * | 2022-04-28 | 2023-10-13 | Sinoma Science & Tech Chengdu Co Ltd | SECONDARY THREAD PROCESSING METHOD FOR ALUMINUM ALLOY LINER OF CARBON FIBER REINFORCED FULLY WRAPPED 70 MPA HYDROGEN PRESSURE VESSEL |
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