CN104600342A - Method for preparing fuel tank base for fuel cell - Google Patents
Method for preparing fuel tank base for fuel cell Download PDFInfo
- Publication number
- CN104600342A CN104600342A CN201510031188.0A CN201510031188A CN104600342A CN 104600342 A CN104600342 A CN 104600342A CN 201510031188 A CN201510031188 A CN 201510031188A CN 104600342 A CN104600342 A CN 104600342A
- Authority
- CN
- China
- Prior art keywords
- qualified
- fuel tank
- tanks
- tank base
- base
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- 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
- Y02E60/50—Fuel cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a method for preparing a fuel tank base for a fuel cell. The method comprises the following steps that (1) a lead fuse wire with the same material as the fuel tank base is arranged on the outer side of a fuel tank base upper part, wherein the cross section of the lead fuse wire is an equilateral triangle of which the height is 0.8+/-0.1mm and the bottom side length is 1+/-0.1mm; and (2) the fuel tank base upper part and a fuel tank base lower part are mutually mounted together in a matched mode by virtue of a mounting part, the assembled fuel tank base is arranged on an operating platform, and the fuel tank base upper part and the fuel tank base lower part are welded together after the lead fuse wire is fused by utilizing an ultrasonic generator. The traditional process is replaced by the ultrasonic bonding of the fuel tank base, the method is low in cost, clean and pollution-free, the workpiece is not damaged, the welding process is stable, all the welding parameters can be traced and monitored by virtue of a software system, and once a fault is discovered, the fault is easily eliminated and maintained.
Description
Technical field
The present invention relates to a kind of preparation method of the tanks base for direct alcohol fuel cell, belong to direct alcohol fuel cell field.
Background technology
Direct liquid fuel battery is a kind of chemical reaction equipment chemical energy in liquid fuel (as methyl alcohol, ethanol etc.) being converted into electric energy.Due to advantages such as the specific energy of the liquid fuel such as methyl alcohol, ethanol are high, and fuel cell system structure is simple, such battery has broad application prospects in Portable power source field.
At present, for adapting to the requirement of portable fuel battery miniaturization, researcher attempts tanks to be integrated in fuel cell system, also researcher is had to utilize capillary force to be supplied from tanks to fuel electrodes by liquid fuel, but fuel supplies to fuel electrodes with direct liquid condition, being equipped under the environment for use constantly changed in small portable device, in battery unit all around or up and down, between the long-time operating period, the drawbacks such as the trackability that fuel can occur is incomplete, and fuel supply is cut-off.For coordinating using and providing fuel for system of tanks, tanks base is an indispensable part for direct alcohol fuel cell.
At present, in the process making tanks base, mostly be manual operations, bonding, at the junction methylene chloride as solvent of tanks base, tanks base member is bonded together, with hand by tight, wait for solvent evaporates.
As Fig. 1, former manufacture craft is, with syringe, dichloroethanes is coated in parts 1 side (circle), is pressed together by upper and lower parts, with hand after dichloroethane solution is dry, link together by tanks base member, whether qualifiedly then test this base.Prior art qualification rate is very low, and adhesive effect is bad, easily leaks, and abutting edge is easily aging.General each experienced operator one day at most can only be bonding about 50, and production efficiency is low; In addition, binding agent dichloroethanes used is the noxious substance of colourless, irritant smell, has potential carcinogenicity, very large to human injury.
Summary of the invention
Technical problem to be solved by this invention, there is provided the preparation method of the fuel cell-use fuel tank base that a kind of conforming product rate is high, production efficiency is high, production cost is low, this preparation method can effectively prevent the potential hazard that in operating process, dichloroethanes causes human body.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of preparation method of fuel cell-use fuel tank base, the steps include:
A preparation method for fuel cell-use fuel tank base, this tanks base is welded by tanks base upper member, tanks base lower member two parts, the steps include:
1) lead fuse at the arranged outside of tanks base upper member and tanks base same material, the cross section of leading fuse is the isosceles triangle of high 0.8 ± 0.1mm, bottom side length 1 ± 0.1mm;
2) tanks base upper member is installed together by the tanks base lower member installation portion matched with tanks base upper member being arranged on tanks base lower member top, then the tanks base assembled is laid on the operational platform, utilize supersonic generator to make to lead fuse fusing, tanks base upper member and tanks base lower member are welded together;
In welding process, technological parameter computing formula is: P=μ SF υ=μ SF2A ω/π=4 μ SFAf;
In formula, P-ultrasonic power, unit is: W;
F-welding static pressure, unit is: N;
S-solder joint area, unit is: mm
2;
υ-welding relative velocity, unit is: m/min;
A-amplitude, unit is: μm;
μ-coefficient of friction;
ω-angular frequency;
F-vibration frequency, unit is: kHz; ω=2 π f.
In described welding process, parameters is:
Ultrasonic bonding principle: be, by supersonic generator, the electricity of current 50HZ is transformed into 15 ~ 40KHZ electric energy frequently, the high-frequency electrical energy be converted is converted into the mechanical movement of equal frequencies again by transducer, subsequently, mechanical movement is delivered to soldering tip soon by a set of amplitude rod devices that can change amplitude, the vibrational energy of acceptance is delivered to the junction surface of workpiece to be welded by soldering tip, converted to heat energy by by friction mode at this domain oscillation energy, by plastic melt, add certain pressure, combined together, after ultrasonic wave stops, allow pressure durations several seconds, make its coagulation forming, form a firm entirety, reach welding object.
The material of based on fuel tank base, selects distinctive frequency, and for different frequencies, optimized frequency experiment is as follows:
| Frequency (KHZ) | Welding effect | Whether qualified |
| 15 | Components damage | Defective |
| 20 | Components damage | Defective |
| 25 | Well | Qualified |
| 30 | Well | Qualified |
| 35 | Well | Qualified |
| 40 | Leak | Defective |
Beneficial effect: the bonding tanks base of ultrasonic wave replaces traditional handicraft, with low cost, cleanliness without any pollution and can not disfiguring workpiece, welding process is stablized, all welding parameters all carry out tracing and monitoring by software systems, once find that fault is easy to carry out getting rid of and safeguarding.
Accompanying drawing explanation
Fig. 1 is fuel-cell fuel tank understructure schematic diagram;
In figure, 1, tanks base lower member, 2, installation portion, 3, tanks base upper member, 4, lead fuse.
Embodiment
Specific embodiment of the invention scheme is described below in detail.
Embodiment
Be used in the making of 50w methanol fuel cell fuel tank base, welding effect is obvious, and qualification rate is high.Made 100 tanks bases, testing result is as follows:
| Sequence number | Whether qualified | Sequence number | Whether qualified | Sequence number | Whether qualified | Sequence number | Whether qualified |
| 201401 | Qualified | 201426 | Qualified | 201451 | Qualified | 201476 | Qualified |
| 201402 | Qualified | 201427 | Qualified | 201452 | Qualified | 201477 | Qualified |
| 201403 | Qualified | 201428 | Qualified | 201453 | Qualified | 201478 | Qualified |
| 201404 | Qualified | 201429 | Qualified | 201454 | Qualified | 201479 | Qualified |
| 201405 | Qualified | 201430 | Qualified | 201455 | Qualified | 201480 | Qualified |
| 201406 | Qualified | 201431 | Qualified | 201456 | Qualified | 201481 | Qualified |
| 201407 | Qualified | 201432 | Qualified | 201457 | Qualified | 201482 | Qualified |
| 201408 | Qualified | 201433 | Qualified | 201458 | Qualified | 201483 | Qualified |
| 201409 | Qualified | 201434 | Qualified | 201459 | Qualified | 201484 | Qualified |
| 201410 | Qualified | 201435 | Qualified | 201460 | Qualified | 201485 | Qualified |
| 201411 | Qualified | 201436 | Qualified | 201461 | Qualified | 201486 | Qualified |
| 201412 | Qualified | 201437 | Qualified | 201462 | Qualified | 201487 | Qualified |
| 201413 | Qualified | 201438 | Qualified | 201463 | Qualified | 201488 | Qualified |
| 201414 | Qualified | 201439 | Qualified | 201464 | Qualified | 201489 | Qualified |
| 201415 | Qualified | 201440 | Qualified | 201465 | Qualified | 201490 | Qualified |
| 201416 | Qualified | 201441 | Qualified | 201466 | Qualified | 201491 | Qualified |
| 201417 | Qualified | 201442 | Qualified | 201467 | Qualified | 201492 | Qualified |
| 201418 | Qualified | 201443 | Qualified | 201468 | Qualified | 201493 | Qualified |
| 201419 | Qualified | 201444 | Qualified | 201469 | Qualified | 201494 | Qualified |
| 201420 | Qualified | 201445 | Qualified | 201470 | Qualified | 201495 | Qualified |
| 201421 | Qualified | 201446 | Qualified | 201471 | Qualified | 201496 | Qualified |
| 201422 | Qualified | 201447 | Qualified | 201472 | Qualified | 201497 | Qualified |
| 201423 | Qualified | 201448 | Qualified | 201473 | Qualified | 201498 | Qualified |
| 201424 | Qualified | 201449 | Qualified | 201474 | Qualified | 201499 | Qualified |
| 201425 | Qualified | 201450 | Qualified | 201475 | Qualified | 2014100 | Qualified |
Tanks base is up to the standards standard:
Based on fuel tank base make and inspection specification, to complete tanks base inflation (air pressure is 1.5mpa) bubble-free under water liquid level emerge namely be considered as qualified.
Claims (2)
1. a preparation method for fuel cell-use fuel tank base, this tanks base is welded by tanks base upper member, tanks base lower member two parts, the steps include:
1) lead fuse at the arranged outside of tanks base upper member and tanks base same material, the cross section of leading fuse is the isosceles triangle of high 0.8 ± 0.1mm, bottom side length 1 ± 0.1mm;
2) tanks base upper member is installed together by the tanks base lower member installation portion matched with tanks base upper member being arranged on tanks base lower member top, then the tanks base assembled is laid on the operational platform, utilize supersonic generator to make to lead fuse fusing, tanks base upper member and tanks base lower member are welded together;
In welding process, technological parameter computing formula is: P=μ SF υ=μ SF2A ω/π=4 μ SFAf;
In formula, P-ultrasonic power, unit is: W;
F-welding static pressure, unit is: N;
S-solder joint area, unit is: mm
2;
υ-welding relative velocity, unit is: m/min;
A-amplitude, unit is: μm;
μ-coefficient of friction;
ω-angular frequency;
F-vibration frequency, unit is: kHz; ω=2 π f.
2. the preparation method of a kind of fuel cell-use fuel tank base according to claim 1, is characterized in that: operating frequency: 25KHZ ± 0.3KHZ;
Peak power output: 3000W;
Weld time: 0.012s ~ 0.3s;
Supply voltage: AC380V ± 10%;
Welding current: 12A ± 0.2A;
Vibration amplitude A:40 μm ± 0.1 μm;
Face of weld S:4*80*2+4*20*2;
Welding static pressure F:80 ± 2Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031188.0A CN104600342A (en) | 2015-01-21 | 2015-01-21 | Method for preparing fuel tank base for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031188.0A CN104600342A (en) | 2015-01-21 | 2015-01-21 | Method for preparing fuel tank base for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104600342A true CN104600342A (en) | 2015-05-06 |
Family
ID=53125973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031188.0A Pending CN104600342A (en) | 2015-01-21 | 2015-01-21 | Method for preparing fuel tank base for fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104600342A (en) |
-
2015
- 2015-01-21 CN CN201510031188.0A patent/CN104600342A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150506 |
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| WD01 | Invention patent application deemed withdrawn after publication |