CN1196462A - Full compound material gas cylinder for vehicle use compressed natural gas and manufacturing method thereof - Google Patents
Full compound material gas cylinder for vehicle use compressed natural gas and manufacturing method thereof Download PDFInfo
- Publication number
- CN1196462A CN1196462A CN 97103911 CN97103911A CN1196462A CN 1196462 A CN1196462 A CN 1196462A CN 97103911 CN97103911 CN 97103911 CN 97103911 A CN97103911 A CN 97103911A CN 1196462 A CN1196462 A CN 1196462A
- Authority
- CN
- China
- Prior art keywords
- gas cylinder
- inner bag
- material gas
- composite material
- plastics inner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
A compressed natural gas cylinder made of composite material for car is composed of internal plastic cylinder, composite material layer around the internal cylinder, external protecting layer and metal flanges connected to gas outless at both ends, and is made up through such technological steps as machining metal flanges, making internal plastic cylinder, immersing fibre in middle-temp solidifying epoxy resin, wet winding, solidifying and covering external protecting layer. Its advantages are light weight, high air tightness, long service life, high static and fatigue strength, and low cost.
Description
The present invention relates to a kind of compressed natural gas used as vehicle fuel gas cylinder and manufacture method thereof, particularly a kind of full composite material gas cylinder and manufacture method.
The compressed natural gas used as vehicle fuel gas cylinder is a kind of with the be used as power automobile accessories product of fuel of rock gas.At present, domestic this type of gas cylinder only limits to steel gas cylinder, it is that base growth is come with the oxygen cylinder, its material is a steel, big (50 liters of the volumes of sole mass, about 65Kg), and geomery big (φ 229 * 1500), be unfavorable for installing and using on the multiple vehicle development and use with natural gas energy resource.The kind of external this type of gas cylinder has the steel gas cylinder of steel, hoop wound composite.The steel cylinder of steel cylinder, hoop wound composite self is great, use is on large vehicle,, loading anharmonic ratio heavy with its car body, gas cylinder is heavy insignificant, but use on dilly, particularly sedan car, taxi, the heavy distribution that will influence body gravity of gas cylinder, and with loading heavy phase ratio, it is heavy that gas cylinder weight has just occupied certain loading, reduce the deadweight of gas cylinder, it is smaller that gas cylinder must be made, and correspondingly, gas cylinder volume reduces, the gas cylinder aeration quantity reduces, and the distance that car travels will reduce.
The object of the present invention is to provide a kind of lightweight, durable and lower-cost full composite material gas cylinder.
Another object of the present invention is to provide a kind of manufacture method of above-mentioned gas cylinder.
The object of the present invention is achieved like this: the metal that the present invention includes the plastics inner bag, is wrapped in the outer composite structural laminate of plastics inner bag and is coated on the protective layer of composite structural laminate outer surface and be connected on respectively place, end socket air outlet, plastics inner bag two ends connects the mouth flange.
The manufacture method of above-mentioned gas cylinder comprises the following steps:
1. the Design and Machining of metal flange;
2. the rolling of plastics inner bag;
3. continuous fiber soaks the epoxy resin glue of intermediate temperature setting, wet method wound composite construction layer;
4. the intermediate temperature setting of composite structural laminate;
5. the system of covering of gas cylinder external protection.
After the rolling of plastics inner bag, at liner end enclosure outer surface or inner bag outer surface Pasting rubber layer.
The present invention is described in more detail below in conjunction with drawings and Examples.
Fig. 1 is an overall structure sectional view of the present invention;
Fig. 2 inlays the partial sectional view that is connected for plastics inner bag of the present invention connects the mouth flange with metal;
The inner bag partial sectional view that Fig. 3 joins by screw thread and metal flange for plastics inner bag of the present invention;
The partial sectional view that Fig. 4 joins by screw thread and metal flange for plastics inner bag of the present invention.
Referring to accompanying drawing 1; the metal that present embodiment comprises plastics inner bag 3, be wrapped in the outer composite structural laminate 4 of plastics inner bag, be coated on the gas cylinder protective layer 5 of composite structural laminate 4 outer surfaces, be connected on place, end socket air outlet, plastics inner bag two ends respectively connects mouth flange 1, and metal connects the central axes of the central axis and the plastics inner bag 3 of mouth flange 1.
In order to slow down the shearing stress between plastics inner bag 3 and composite structural laminate 4 interfaces, prevent to frustrate, improve the fatigue life of cylinder liner, plastics inner bag 3 is before twining outer layer of composite material construction layer 4, paste the higher rubber layer 2 of one deck shear modulus in its gamut or in its end socket subrange, thickness is between the 0.5-2mm.
Gas cylinder outer surface protective layer 5 can adopt two kinds of forms: a kind ofly be the coating of polyamine resin system, and another kind of for twining the composite layer of one deck carbon fiber.These two kinds of materials can both be prevented fires, protection against the tide, and acid-proof, alkali, salt, antistatic guarantees the safe handling of gas cylinder under the condition of various proper functioning.
When plastics inner bag 3 adopted the moulding of rotational moulding method, its end socket profile can be standard spheroid face, three-core garden profile, isostension end socket profile or ball-type face.Easily manufactured and utilize composite structural laminate 4 Wrapping formed convenience for the mould of inner bag 3 rotationally moldings, present embodiment adopts the standard spheroid end socket.
Referring to accompanying drawing 2,3,4, metal connects the dual mode that is connected with of mouth flange 1 and plastics inner bag 3: a kind of is in plastics inner bag 3 forming processes, and metal is connect on the end socket that mouth flange 1 directly is embedded in inner bag 3, as shown in Figure 2.Another kind of mode is when rotational moulding inner bag 3, on the end socket of two ends, precasts the screw column of evagination, as shown in Figure 3, again the metal that processes is connect mouth flange 1 by being threaded togather, as shown in Figure 4.The connection of above dual mode has guaranteed the tightness and the soundness that is connected of plastics inner bag 3.
Because the Young's modulus of metal and plastics differs bigger, two kinds of material junction stiffness are discontinuous, therefore, when the design metal connects mouth flange 1, consideration inner bag 3 is pressed the stress distribution of rear head in being subjected to, mild transition of proof stress and finished product gas cylinder are being subjected under the inner high voltage, and metal connects mouth flange 1 and is not extruded, so metal connects the shoulder breadth of mouth flange 1 than designing between 1.5-2mm.The shoulder outer mold surface that metal connects mouth flange 1 is consistent with end socket outer mold surface curvilinear equation, and profile is the thickness attenuate gradually from the neck root to the shoulder breadth edge in it.
For fatigue life of guaranteeing gas cylinder greater than 10000 times, the present invention has adopted the Intensity Design based on netting theory in the design of composite structural laminate 4, finite element stress analysis and analysis of fatigue are the comprehensive designing method of assisting.Satisfying on the basis of static strength, carry out the stress analysis of finite element, each point stress branch and size under the evaluation work pressure, the stress during again with material failure is compared, and ratio is taken as δ, is defined as stress axis.Size and fatigue curve according to stress ratio are found fatigue life, if the less than 10000 times fatigue life at which position by increasing the composite material stiffness at this position, reduces distortion so, reduce stress, improve fatigue life.
When making gas cylinder, at first the processing metal flange 1, and material is 45 steel, quenching with Subsequent tempering; Utilize rotational molding technique rolling plastics inner bag 3 again, its thickness is 1-7mm, in the rolling process, metal flange 1 directly is embedded in 3 liang of end socket ends of inner bag, or go out the column screw thread in two end socket end rollings, the metal flange 1 that processes is linked together by section's convex thread; Paste rubber layer at outer surface or whole inner bag 3 outer surfaces then, its thickness is 0.5-2mm; Afterwards continuous fiber (glass, aramid fiber, carbon fiber or mixed fibre) is immersed in middle temperature (60 °～90 °) curing epoxy resin adhesive wet method wound composite construction layer; With temperature (60 °～90 °) solidifying in the composite structural laminate, outside gas cylinder, twine the composite material protective layer of one deck carbon fiber again, or coat the protective layer of polyamine resin system.
The present invention compared with prior art has following advantage:
1. adopt low-density, high performance nonmetallic materials-plastics as inner bag, with low-density, High performance composite is made structure sheaf, and gas cylinder is coated with the full composite material gas cylinder of protective layer, So the own quality of gas cylinder light (heavily about 35Kg), durable and the inner bag manufacturing process is simple, one-shot forming, Reduced production cost.
2. the present invention has adopted epoxy resin, intermediate temperature setting prescription, wet winding technology in manufacturing Technology. Properties of Epoxy Resin is good, low price; Intermediate temperature setting, energy savings; Wet Winding Process with Dry method is twined and is compared, and has reduced by a procedure, has improved production efficiency, has reduced production cost.
3. good and static strength and fatigue strength height of air-tightness of the present invention. When carrying out the hydraulic pressure fatigue test The time, after times of fatigue 10000, air-tightness is intact, and inspection is depressed into 85% of design burst pressure, pressurize 5 minutes, do not have unusual.
Claims (10)
1. full compound material gas cylinder for vehicle use compressed natural gas is characterized in that: the metal that it comprises the plastics inner bag, be wrapped in the outer composite structural laminate of plastics inner bag, be coated on the protective layer of composite structural laminate outer surface and be connected on place, end socket air outlet, plastics inner bag two ends respectively connects the mouth flange.
2. full composite material gas cylinder according to claim 1 is characterized in that: also be included between plastics inner bag and the composite structural laminate or plastics inner bag two ends end socket and the interior higher rubber layer of pasting of one deck shear modulus of composite structural laminate subrange.
3. full composite material gas cylinder according to claim 1 and 2 is characterized in that: the thickness of rubber layer is 0.5-2mm.
4. full composite material gas cylinder according to claim 1 is characterized in that: gas cylinder outer surface protective layer is the coating of polyamine resin system or the composite layer that twines one deck carbon fiber.
5. full composite material gas cylinder according to claim 1 is characterized in that: plastics liner end enclosure profile is standard spheroid profile or three-core garden profile or isostension profile or ball-type face.
6. full composite material gas cylinder according to claim 1 is characterized in that: the wall thickness of plastics inner bag is 1-7mm.
7. full composite material gas cylinder according to claim 1 is characterized in that: end socket air outlet, plastics inner bag two ends place connects with metal that the mouth flange directly is embedded in or by being threaded togather.
8. full composite material gas cylinder according to claim 1, it is characterized in that: metal connects the shoulder breadth of mouth flange than between 1.5-2mm, its outer mold surface is consistent with plastics liner end enclosure outer mold surface curvilinear equation, and profile is the thickness attenuate gradually from the neck root to the shoulder breadth edge in it.
9. a method of making the described full composite material gas cylinder of claim 1 is characterized in that: comprise the following steps:
1. the Design and Machining of metal flange;
2. the rolling of plastics inner bag;
3. continuous fiber soaks the epoxy resin glue of intermediate temperature setting, wet method wound composite construction layer;
4. the intermediate temperature setting of composite structural laminate;
5. the system of covering of gas cylinder external protection.
10. the manufacture method of full composite material gas cylinder according to claim 9 is characterized in that: after the rolling of plastics inner bag, paste one deck rubber layer at liner end enclosure outer surface or inner bag outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97103911A CN1084862C (en) | 1997-04-15 | 1997-04-15 | Full compound material gas cylinder for vehicle use compressed natural gas and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97103911A CN1084862C (en) | 1997-04-15 | 1997-04-15 | Full compound material gas cylinder for vehicle use compressed natural gas and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1196462A true CN1196462A (en) | 1998-10-21 |
| CN1084862C CN1084862C (en) | 2002-05-15 |
Family
ID=5166978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97103911A Expired - Fee Related CN1084862C (en) | 1997-04-15 | 1997-04-15 | Full compound material gas cylinder for vehicle use compressed natural gas and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1084862C (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318291B (en) * | 2008-06-27 | 2010-06-16 | 重庆理工大学 | Automatic processing product line for source nipple of gas cylinder |
| CN101548128B (en) * | 2006-12-13 | 2011-05-11 | 丰田自动车株式会社 | Pressure container |
| CN102182910A (en) * | 2011-04-07 | 2011-09-14 | 杭州余杭獐山钢瓶有限公司 | Gas cylinder with fully-wound plastic liner and molding technology thereof |
| CN103994319A (en) * | 2013-11-19 | 2014-08-20 | 上海复合材料科技有限公司 | Winding and curing method of thin-wall metal lining fiber completely-wound light high-pressure gas cylinder |
| CN104421606A (en) * | 2013-08-23 | 2015-03-18 | 刘建华 | Glass reinforced plastic fuel gas storage tank |
| CN105643961A (en) * | 2016-01-08 | 2016-06-08 | 武汉理工大学 | External pressure resistance composite material cylinder body and metal end socket co-curing connecting structure and manufacturing method thereof |
| CN106863863A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of fiber winds the manufacture method of plastic inner container composite cylinder entirely |
| CN107339599A (en) * | 2017-08-11 | 2017-11-10 | 天津安易达复合气瓶有限公司 | A kind of nonmetallic inner bag winds composite cylinder and its manufacture method entirely |
| CN107461600A (en) * | 2017-09-30 | 2017-12-12 | 安徽绿动能源有限公司 | Overall plastic composite high pressure gas cylinder manufacture method |
| CN108656499A (en) * | 2018-04-24 | 2018-10-16 | 亚普汽车部件股份有限公司 | The end enclosure structure of IV type gas cylinders and liner forming method |
| CN109210365A (en) * | 2018-10-30 | 2019-01-15 | 亚普汽车部件股份有限公司 | The sealing structure and high-pressure composite containers of high-pressure composite containers |
| CN109469816A (en) * | 2018-12-25 | 2019-03-15 | 北华航天工业学院 | A kind of composite material casing and preparation method thereof |
| CN111120853A (en) * | 2018-10-30 | 2020-05-08 | 丰田自动车株式会社 | High-pressure tank |
| CN111174083A (en) * | 2019-12-27 | 2020-05-19 | 东南大学 | Novel high-pressure composite gas cylinder |
| CN111779965A (en) * | 2019-04-09 | 2020-10-16 | 石家庄安瑞科气体机械有限公司 | Composite gas cylinder and forming method thereof |
| CN112303478A (en) * | 2020-10-30 | 2021-02-02 | 陕西碳能新材料有限责任公司 | Fireproof flame-retardant vehicle-mounted high-pressure hydrogen storage cylinder and manufacturing method thereof |
| CN112524472A (en) * | 2019-09-17 | 2021-03-19 | 彭志军 | Built-in ultrasonic auxiliary gas outlet hydrogen tank device |
| CN113566108A (en) * | 2020-04-28 | 2021-10-29 | 未势能源科技有限公司 | Valve seat of gas cylinder with fully-wound non-metal liner and gas cylinder with fully-wound non-metal liner |
| CN113958860A (en) * | 2020-07-05 | 2022-01-21 | 北京天海工业有限公司 | Plastic inner container of vehicular wound gas cylinder and processing method |
| WO2022042668A1 (en) * | 2020-08-28 | 2022-03-03 | 亚普汽车部件股份有限公司 | High-pressure composite container |
| CN115076600A (en) * | 2022-06-16 | 2022-09-20 | 江苏国富氢能技术装备股份有限公司 | Bottleneck structure of high-pressure hydrogen bottle plastic inner container |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1326832C (en) * | 1987-07-21 | 1994-02-08 | Claude Leon Hembert | Fluid tank and manufacturing process |
| CN2312400Y (en) * | 1997-04-15 | 1999-03-31 | 中国航天工业总公司第四研究院第四十三研究所 | Full composite material bottle for compressed natural gas for automobiles |
-
1997
- 1997-04-15 CN CN97103911A patent/CN1084862C/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101548128B (en) * | 2006-12-13 | 2011-05-11 | 丰田自动车株式会社 | Pressure container |
| CN101318291B (en) * | 2008-06-27 | 2010-06-16 | 重庆理工大学 | Automatic processing product line for source nipple of gas cylinder |
| CN102182910A (en) * | 2011-04-07 | 2011-09-14 | 杭州余杭獐山钢瓶有限公司 | Gas cylinder with fully-wound plastic liner and molding technology thereof |
| CN104421606A (en) * | 2013-08-23 | 2015-03-18 | 刘建华 | Glass reinforced plastic fuel gas storage tank |
| CN103994319A (en) * | 2013-11-19 | 2014-08-20 | 上海复合材料科技有限公司 | Winding and curing method of thin-wall metal lining fiber completely-wound light high-pressure gas cylinder |
| CN103994319B (en) * | 2013-11-19 | 2016-03-02 | 上海复合材料科技有限公司 | Thin-wall metal liner fiber is wound around winding and the solidification method of lightweight gas cylinder entirely |
| CN105643961A (en) * | 2016-01-08 | 2016-06-08 | 武汉理工大学 | External pressure resistance composite material cylinder body and metal end socket co-curing connecting structure and manufacturing method thereof |
| CN106863863A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of fiber winds the manufacture method of plastic inner container composite cylinder entirely |
| CN107339599A (en) * | 2017-08-11 | 2017-11-10 | 天津安易达复合气瓶有限公司 | A kind of nonmetallic inner bag winds composite cylinder and its manufacture method entirely |
| CN107461600A (en) * | 2017-09-30 | 2017-12-12 | 安徽绿动能源有限公司 | Overall plastic composite high pressure gas cylinder manufacture method |
| CN108656499A (en) * | 2018-04-24 | 2018-10-16 | 亚普汽车部件股份有限公司 | The end enclosure structure of IV type gas cylinders and liner forming method |
| CN108656499B (en) * | 2018-04-24 | 2020-06-16 | 亚普汽车部件股份有限公司 | End socket structure of IV-type gas cylinder and lining forming method |
| CN109210365A (en) * | 2018-10-30 | 2019-01-15 | 亚普汽车部件股份有限公司 | The sealing structure and high-pressure composite containers of high-pressure composite containers |
| CN111120853A (en) * | 2018-10-30 | 2020-05-08 | 丰田自动车株式会社 | High-pressure tank |
| CN111120853B (en) * | 2018-10-30 | 2021-10-15 | 丰田自动车株式会社 | High-pressure tank |
| CN109469816A (en) * | 2018-12-25 | 2019-03-15 | 北华航天工业学院 | A kind of composite material casing and preparation method thereof |
| CN111779965A (en) * | 2019-04-09 | 2020-10-16 | 石家庄安瑞科气体机械有限公司 | Composite gas cylinder and forming method thereof |
| CN112524472A (en) * | 2019-09-17 | 2021-03-19 | 彭志军 | Built-in ultrasonic auxiliary gas outlet hydrogen tank device |
| CN111174083A (en) * | 2019-12-27 | 2020-05-19 | 东南大学 | Novel high-pressure composite gas cylinder |
| CN111174083B (en) * | 2019-12-27 | 2021-12-28 | 东南大学 | High-pressure composite gas cylinder |
| CN113566108A (en) * | 2020-04-28 | 2021-10-29 | 未势能源科技有限公司 | Valve seat of gas cylinder with fully-wound non-metal liner and gas cylinder with fully-wound non-metal liner |
| CN113958860A (en) * | 2020-07-05 | 2022-01-21 | 北京天海工业有限公司 | Plastic inner container of vehicular wound gas cylinder and processing method |
| WO2022042668A1 (en) * | 2020-08-28 | 2022-03-03 | 亚普汽车部件股份有限公司 | High-pressure composite container |
| US12117125B2 (en) | 2020-08-28 | 2024-10-15 | Yapp Automotive Systems Co., Ltd. | High-pressure composite container |
| CN112303478A (en) * | 2020-10-30 | 2021-02-02 | 陕西碳能新材料有限责任公司 | Fireproof flame-retardant vehicle-mounted high-pressure hydrogen storage cylinder and manufacturing method thereof |
| CN112303478B (en) * | 2020-10-30 | 2022-05-03 | 陕西碳能新材料有限责任公司 | Fireproof flame-retardant vehicle-mounted high-pressure hydrogen storage cylinder and manufacturing method thereof |
| CN115076600A (en) * | 2022-06-16 | 2022-09-20 | 江苏国富氢能技术装备股份有限公司 | Bottleneck structure of high-pressure hydrogen bottle plastic inner container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1084862C (en) | 2002-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1084862C (en) | Full compound material gas cylinder for vehicle use compressed natural gas and manufacturing method thereof | |
| CN100494763C (en) | Circular winding layer reinforced CNG air bottle of steel lining fibre material for vehicle and its production | |
| JPS5967040A (en) | Rod-shaped hollow member consisting of fiber reinforced pla-stic material and its manufacture | |
| CN111188991A (en) | Carbon fiber fully-wound gas cylinder with plastic inner container and manufacturing method thereof | |
| CN101614184B (en) | Blade insert | |
| US20150316207A1 (en) | Composite Pressure Vessel Integrated Mandrel | |
| CN1956883A (en) | Window frame for aircraft | |
| WO2022151929A1 (en) | Production method for large-diameter engineering pipeline | |
| CN109681770B (en) | Storage and transportation gas cylinder with fiber wound plastic liner and manufacturing method thereof | |
| CN1956881A (en) | Window frame for aircraft | |
| JPH1144399A (en) | Pressure vessel | |
| CN114667407A (en) | Pressure vessel | |
| CN113970060B (en) | Intelligent monitoring basalt fiber gas cylinder | |
| CN206145427U (en) | Gas cylinder with plastic -aluminum integrated configuration inner bag | |
| CN112664820B (en) | Composite flange for spacecraft composite material pressure vessel and manufacturing method thereof | |
| CN2312400Y (en) | Full composite material bottle for compressed natural gas for automobiles | |
| CN1232751C (en) | Composite pressure container | |
| CN112412658B (en) | Combined core mold with medicine winding function | |
| JP2000035196A (en) | Pressure container and manufacture thereof | |
| CN2649929Y (en) | Filament wound composite material pressure vessel | |
| CN110239111A (en) | A kind of composite material tube body and connector integrated molding method | |
| CN107327437B (en) | Composite material hydraulic cylinder body with filling framework and manufacturing method thereof | |
| CN207657810U (en) | A kind of fiber winding enhancing full plastic automobile brake apparatus gas receiver | |
| DE102018222316B4 (en) | Method for producing a pressure tank for storing fuel in a motor vehicle and a pressure tank produced therewith | |
| CN209386002U (en) | A kind of composite material air tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |