CN2534455Y - Hydrogen storage cylinder for fuel cell - Google Patents
Hydrogen storage cylinder for fuel cell Download PDFInfo
- Publication number
- CN2534455Y CN2534455Y CN 02209371 CN02209371U CN2534455Y CN 2534455 Y CN2534455 Y CN 2534455Y CN 02209371 CN02209371 CN 02209371 CN 02209371 U CN02209371 U CN 02209371U CN 2534455 Y CN2534455 Y CN 2534455Y
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- fuel cell
- filter
- storing tank
- hydrogen storing
- cylindrical shell
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Abstract
A hydrogen storage tank for fuel cell, which belongs to the hydrogen storage technology field. The hydrogen storage tank for fuel cell comprises a cylinder, a valve and a filter. The structure and the connection method are that a cylinder is welded with a gas outlet cover with argon arc welding and laser welding. The cylinder is connected with the lower cover into a whole with hot extruding or argon arc welding and laser welding; The gas valve is connected to the filter and is fixed on the gas outlet cover. A heat conductive plate is arranged on the cylinder, the heat conductive plate is assembled with the cylinder through an interference fit. A center hole and a material spilling hole are arranged on the heat conductive plate. The gas valve is connected with the filter and the gas outlet cover through the thread. The utility model has the advantage of simple manufacturing process engineering, controllable process, small investment of device, big intensity of product bottle, low cost, convenient installation and application. The utility model is extensively used for the hydrogen supply system of the fuel cell.
Description
Technical field
The utility model belongs to the hydrogen storage technical field, particularly relates to the manufacturing technology of a kind of fuel cell with hydrogen storing tank.
Background technique
With the hydrogen storing tank of hydrogen bearing alloy mode storage of hydrogen have hydrogen storage capability height (volume), Security good, can the low pressure ambient operation etc. advantage, can be fuel cell, provide hydrogen source in particular for the small fuel cell of battery-operated motor cycle and electric bicycle.
Emit certain heat when hydrogen bearing alloy is inhaled hydrogen, need absorb certain heat from the outside when putting hydrogen.For the hydrogen discharging rate that makes hydrogen storing tank reaches enough levels, the environment that the hydrogen bearing alloy of hydrogen storing tank inside should reach corresponding temperature conditions and tank body carries out heat exchange.
At present, existing hydrogen storing tank generally adopts the mode of GB11640-2001 reducing, but has the arrangement difficult problem of heat-conducting mechanism (heat conduction aluminium flake or heat conduction stainless steel sheets or heat conduction copper sheet), generally adopts the mode of vacuum brazing to weld heat-conducting mechanism.
In addition, also to stop fine grain filter in the lower cover welding.The filter of welding is not connected the manufacture cost height with gas valve.
Make material softening owing to hydrogen storing tank vacuum brazing makes cylindrical shell be heated undoubtedly, the intensity of material does not perform to greatly, and vacuum brazing simultaneously exists that efficient is low, processing technology is complicated, the shortcoming that cost is high.Lid, cylindrical shell, lower cover adopt hard attitude aluminum alloy material if give vent to anger in addition, adopt vacuum brazing therebetween, and the intensity of soldered joint is soft aluminium state, and intensity is not high.
Summary of the invention
The utility model provides a kind of fuel cell hydrogen storing tank for solving the problem that known technology exists.
The purpose of this utility model provides that a kind of to have bottle intensity big, the hydrogen storing tank of characteristics such as simple in structure, easy to install.
This novel practical fuel cell adopts argon arc welding or laser beam welding welding with hydrogen storing tank, give vent to anger lid, lower cover adopts half elliptic or butterfly or sphere, if cylindrical shell, the lid of giving vent to anger, lower cover adopt hard attitude aluminum alloy, select suitable aluminum alloy scolder (4043,5356) to make the intensity of joint strength near matrix.Lower cover and cylindrical shell also can adopt hot extrusion to make disjunctor.
The internal diameter interference fit of the external diameter of heat-conducting plate and cylindrical shell, heat-conducting plate is clamp-oned cylindrical shell; Distributing on the heat-conducting plate comprises the through hole of center hole, is hydrogen bearing alloy can usefulness, and center hole is that the feeding of filter is used.Gas valve is threaded with the lid of giving vent to anger, filter, fills out teflon as sealing between its screw thread.The head of filter is a cone, and the insertion of filter is more laborsaving when making hydrogen storing tank be full of alloy powder.The precision of filter is 0.5～30 μ m, and precision is thin more, stops that the hydrogen-bearing alloy powder effect is good more, but filter opening is blocked, and influences outgassing rate.
After fuel cell charges into alloy powder with hydrogen storing tank, need through activating process, activation condition is put hydrogen pressure below 1MPa for 20 ℃ below 4MPa.Need be under 80 ℃ condition when therefore considering activation, design welding hydrogen storage cylinder working pressure is 6.4MPa.The novel practical fuel cell by hydrostatic test 9.6MPa, satisfies the process condition of hydrogen storage cylinder below 80 ℃ with hydrogen storing tank.
The utility model adopts following technological scheme:
Fuel cell is made up of cylindrical shell, valve, filter with hydrogen storing tank, and its structure and Placement are: cylindrical shell and give vent to anger to cover and weld together with argon arc welding or laser beam welding, cylindrical shell and lower cover hot extrusion disjunctor or weld together with argon arc welding or laser beam welding; Gas valve is communicated with filter and is fixed in the lid of giving vent to anger.
The utility model can also adopt following technical measures:
Above-mentioned fuel cell hydrogen storing tank is characterized in that heat-conducting plate is arranged in the cylindrical shell, and heat-conducting plate and cylindrical shell interference fit have center hole and material spilling hole together on the heat-conducting plate.
Above-mentioned fuel cell hydrogen storing tank is characterized in that gas valve is connected by screw thread with filter, gas valve and the lid of giving vent to anger.
Above-mentioned fuel cell hydrogen storing tank, the lid that is characterized in giving vent to anger, lower cover are half elliptic, butterfly or sphere.
Above-mentioned fuel cell hydrogen storing tank is characterized in cylindrical shell, the material of give vent to anger lid and lower cover is hard attitude aluminum alloy or is stainless steel entirely.
Above-mentioned fuel cell hydrogen storing tank is characterized in that heat-conducting plate is fine aluminium, stainless steel or red copper material.
Above-mentioned fuel cell hydrogen storing tank is characterized in that the material of filter is copper or stainless steel, and head is tapered.
Above-mentioned fuel cell hydrogen storing tank is characterized in that the filter pore size is 0.5-30 μ m.
Above-mentioned fuel cell hydrogen storing tank is characterized in that the filter pore size is 1-10 μ m.
Advantage that the present invention has and good effect:
1. adopt argon arc welding or laser beam welding, tube integral body is not heated, and the whole hard attitude intensity of bottle is compared higher with the whole soft attitude intensity of soldering, make strength of materials performance greatly.Simultaneously, processing technology is simple, the manufacturing efficiency height.
2. filter links to each other with gas valve, has reduced lower cover soldering filter technology, low cost of manufacture; And it is easy to install.
3. heat-conducting plate adopts interference fit to install, and has reduced soldering processes, has guaranteed the cylindrical shell bulk strength, has reduced manufacturing cost.
In a word, the utlity model has that manufacturing process is simple, process is easy to control, equipment investment is few, the advantage that product bottle intensity is big, cost is low and easy to install can be widely used in the hydrogen supply system of fuel cell.
Description of drawings
Fig. 1 is that the utility model lower cover is the internal structure schematic representation of welding manner.
Fig. 2 is that the utility model lower cover is the internal structure schematic representation of disjunctor mode.
Embodiment
For further understanding technology contents of the present utility model, characteristics and effect, exemplify following example now, and conjunction with figs. is described in detail as follows:
With reference to accompanying drawing 1, hydrogen storing tank internal structure and profile are: the long 230mm of 6061-T6 aluminium alloy cylindrical body 4 external diameter Φ 90.5mm internal diameter Φ 80.5mm.Heat conduction aluminium flake 5 is pure aluminum plates, and its thickness is 0.5mm, 1 of center hole is arranged, uniform 6 material spilling holes around the center hole; These 8 heat conduction aluminium flakes 5 are clamp-oned cylindrical shell 4, are the interference state.The giving vent to anger of 6061 aluminum alloys covers 2, lower cover 6 is through being hot extruded into blank, is heat-treated to the T6 state through solid solution and timeliness, is reprocessed into oval hemisphere, and groove is 18 ° of α; Give vent to anger cover 2, lower cover 6 welds with argon arc welding with cylindrical shell.Tank body is through surface treatment, can hydrogen-bearing alloy powder.The precision of filter 3 is 5 μ m, adopts copper; Filter 3 has center ventilation cavity 7, and it is conical that head 8 is.Valve 1 is threaded with filter 3, and the valve 1 that has a filter 3 covers 2 and is threaded and is fixed together with giving vent to anger.
With reference to accompanying drawing 2, the internal structure of hydrogen storing tank is: 6061 aluminum alloy heat extrusion processes become cylindrical shell 4, pass through solid solution and timeliness heat treatment T6 state again.Heat conduction aluminium flake 5 adopts pure aluminum plate, and thickness is 0.5mm, 1 in process punching out machining center hole, uniform 6 material spilling holes around center hole; These 8 heat conduction aluminium flakes 5 are clamp-oned cylindrical shell 4, are the interference state.The giving vent to anger of 6061 aluminum alloys covers 2 through being hot extruded into blank, through solid solution and timeliness heat treatment T6 state, is reprocessed into oval hemisphere, and groove is 60 ° of α, give vent to anger cover 2 and cylindrical shell 4 usefulness argon arc weldings weld together.Tank body is through surface treatment, can hydrogen-bearing alloy powder.The precision of filter 3 is 51 μ m, adopts copper; Filter 3 has center ventilation cavity, and it is conical that head is.Valve 1 is threaded with filter 3, and valve 1 engage thread that has filter 3 is installed on to give vent to anger to be covered on 2.
Referring to accompanying drawing 1.The structure of hydrogen storing tank is: the external diameter Φ 60mm of stainless steel 1Cr18Ni9Ti cylindrical shell 4, internal diameter Φ 52mm, long 140mm; The thickness of heat conduction stainless steel sheets 5 is 0.5mm, 1 of center hole is arranged, around the center hole uniform 6 material spilling holes, these 8 heat conduction stainless steel sheets 5 are clamp-oned cylindrical shell 4, are the interference state.The giving vent to anger of stainless steel 1Cr18Ni9Ti covers 2, lower cover 6 is oval hemisphere, and groove is 18 ° of α, give vent to anger cover 2 and lower cover 6 weld with laser beam welding with cylindrical shell.Tank body is through surface treatment, can hydrogen-bearing alloy powder.The precision of filter 3 is 10 μ m, adopts stainless steel, and filter 3 has center ventilation cavity 7, and it is conical that head 8 is.Valve 1 and filter 3 are twisted admittedly together after being wrapped with teflon between screw thread, and the valve 1 of band filter 3 covers 2 by being screwed to give vent to anger.
The utility model example has that described simple in structure, bottle intensity is big, low cost of manufacture, actively effect such as easy to install.
Claims (9)
1. fuel cell is made up of cylindrical shell, valve, filter with hydrogen storing tank, it is characterized in that: cylindrical shell and give vent to anger to cover and weld together with argon arc welding or laser beam welding, cylindrical shell and lower cover hot extrusion disjunctor or weld together with argon arc welding or laser beam welding; Gas valve is communicated with filter and is fixed in the lid of giving vent to anger.
2. fuel cell hydrogen storing tank according to claim 1 is characterized in that: heat-conducting plate is arranged in the cylindrical shell, and heat-conducting plate and cylindrical shell interference fit have center hole and material spilling hole together on the heat-conducting plate.
3. fuel cell hydrogen storing tank according to claim 1 is characterized in that: gas valve is connected by screw thread with filter, gas valve and the lid of giving vent to anger.
4. fuel cell hydrogen storing tank according to claim 1 is characterized in that: the lid of giving vent to anger, lower cover are half elliptic, butterfly or sphere.
5. fuel cell hydrogen storing tank according to claim 1 is characterized in that: the material of cylindrical shell, give vent to anger lid and lower cover is hard attitude aluminum alloy or is stainless steel entirely.
6. fuel cell hydrogen storing tank according to claim 2 is characterized in that: heat-conducting plate is fine aluminium, stainless steel or red copper material.
7. according to the described fuel cell hydrogen storing tank of claim 1-6, it is characterized in that: the material of filter is copper or stainless steel, and head is tapered.
8. according to the described fuel cell hydrogen storing tank of claim 1-6, it is characterized in that: the filter pore size is 0.5-30 μ m.
9. fuel cell hydrogen storing tank according to claim 8 is characterized in that: the filter pore size is 1-10 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209371 CN2534455Y (en) | 2002-03-29 | 2002-03-29 | Hydrogen storage cylinder for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209371 CN2534455Y (en) | 2002-03-29 | 2002-03-29 | Hydrogen storage cylinder for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2534455Y true CN2534455Y (en) | 2003-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02209371 Expired - Fee Related CN2534455Y (en) | 2002-03-29 | 2002-03-29 | Hydrogen storage cylinder for fuel cell |
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| Country | Link |
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| CN (1) | CN2534455Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100390458C (en) * | 2003-03-27 | 2008-05-28 | 亚太燃料电池科技股份有限公司 | Fast connecting joint for hydrogen fuel tank and hydrogen fuel tank adapting device possessing said fast connecting head |
| CN100410579C (en) * | 2004-09-28 | 2008-08-13 | 汉氢科技股份有限公司 | Portable hydrogen supplying system |
| CN103438349A (en) * | 2013-08-18 | 2013-12-11 | 浙江大学 | Hydrogen storage cylinder and method capable of controlling rapid temperature rise of high pressure hydrogen |
| CN103972551A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generating device provided with stainless steel hydrogen storage device |
| CN103972531A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Hydrogen storage device prepared by silver cadmium oxide material |
| CN103972533A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid-state hydrogen energyresource device containing polymerelectrolyte membrane |
| CN103972541A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid hydrogen energy device containing polymer electrolyte membrane |
| CN103972558A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with hydrogen storage bottle made of iron-based alloy composite material |
| CN103968231A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Hydrogen storage device made of iron-based porous metal material |
| CN103972564A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Generating device provided with hydrogen storage tank adopting stainless steel composite material |
| CN103972535A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with hydrogen storage bottle made of copper-based alloy composite material |
| CN103972540A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generating device provided with hydrogen storage tank made of iron-based porous metallic material |
| CN103972557A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with iron-based alloy hydrogen storage bottle |
| CN103972576A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid-state hydrogen power generation device containing polymerelectrolyte membrane |
| CN103972534A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with hydrogen storage bottle made of aluminum alloy composite material |
| CN103972566A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid hydrogen power generating device provided with fluorine polymer electrolyte membrane |
| CN104654004A (en) * | 2013-11-25 | 2015-05-27 | 北京有色金属研究总院 | Metal nitrogen hydride hydrogen storage tank |
-
2002
- 2002-03-29 CN CN 02209371 patent/CN2534455Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100390458C (en) * | 2003-03-27 | 2008-05-28 | 亚太燃料电池科技股份有限公司 | Fast connecting joint for hydrogen fuel tank and hydrogen fuel tank adapting device possessing said fast connecting head |
| CN100410579C (en) * | 2004-09-28 | 2008-08-13 | 汉氢科技股份有限公司 | Portable hydrogen supplying system |
| CN103438349A (en) * | 2013-08-18 | 2013-12-11 | 浙江大学 | Hydrogen storage cylinder and method capable of controlling rapid temperature rise of high pressure hydrogen |
| CN104654004A (en) * | 2013-11-25 | 2015-05-27 | 北京有色金属研究总院 | Metal nitrogen hydride hydrogen storage tank |
| CN103968231A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Hydrogen storage device made of iron-based porous metal material |
| CN103972533A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid-state hydrogen energyresource device containing polymerelectrolyte membrane |
| CN103972541A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid hydrogen energy device containing polymer electrolyte membrane |
| CN103972558A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with hydrogen storage bottle made of iron-based alloy composite material |
| CN103972531A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Hydrogen storage device prepared by silver cadmium oxide material |
| CN103972564A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Generating device provided with hydrogen storage tank adopting stainless steel composite material |
| CN103972535A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with hydrogen storage bottle made of copper-based alloy composite material |
| CN103972540A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generating device provided with hydrogen storage tank made of iron-based porous metallic material |
| CN103972557A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with iron-based alloy hydrogen storage bottle |
| CN103972576A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid-state hydrogen power generation device containing polymerelectrolyte membrane |
| CN103972534A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generation device provided with hydrogen storage bottle made of aluminum alloy composite material |
| CN103972566A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Solid hydrogen power generating device provided with fluorine polymer electrolyte membrane |
| CN103972551A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Power generating device provided with stainless steel hydrogen storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |