CN103236554A - Hydrogen-supply busbar nitrogen purging system for emergency power supply of fuel cell - Google Patents
Hydrogen-supply busbar nitrogen purging system for emergency power supply of fuel cell Download PDFInfo
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- CN103236554A CN103236554A CN2013100438914A CN201310043891A CN103236554A CN 103236554 A CN103236554 A CN 103236554A CN 2013100438914 A CN2013100438914 A CN 2013100438914A CN 201310043891 A CN201310043891 A CN 201310043891A CN 103236554 A CN103236554 A CN 103236554A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
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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
- Y02E60/50—Fuel cells
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Abstract
The invention discloses a hydrogen-supply busbar nitrogen purging system for an emergency power supply of a fuel cell. The hydrogen-supply busbar nitrogen purging system is characterized in that the busbar nitrogen purging system comprises a one-way valve connected to a nitrogen cylinder; a manually emptying valve and a high-pressure reducing valve are connected respectively with the one-way valve; a high-pressure gauge and a middle-pressure gauge are connected respectively with the high-pressure reducing valve; the high-pressure reducing valve is connected to a low-pressure reducing valve by a pipe; and a low-pressure gauge passes through the low-pressure reducing valve and then is orderly connected to a solenoid valve and a quick coupling by pipes. The hydrogen-supply busbar nitrogen purging system can be used for nitrogen purging on an emergency power supply hydrogen pipe of a fuel cell and can realize fast insertion and extraction and convenient and fast operation.
Description
Technical field
The present invention relates to a kind of hydrogen-feeding system, especially fuel cell stand-by power supply hydrogen supply bus system that nitrogen purges function that possess.
Background technology
Current global energy anxiety, oil price is surging, and the searching new forms of energy are the task of top priority as the substitute of fossil fuel.Fuel cell be considered to after waterpower, firepower and nuclear electric power generation the 4th generation generation technology, it is directly changed into electric energy by electrocatalytic reaction with the chemical energy of Oxidizing and Reducing Agents, is a kind of efficient, safety, cleaning, new-generation technology flexibly.Proton Exchange Membrane Fuel Cells wherein is because it has the efficient height, energy density is big, reaction temperature is low, noiselessness, remarkable advantage such as pollution-free are with a wide range of applications at aspects such as terrestrial power generation station, electric motor car and compact powers.Fuel battery inside mainly is made up of proton exchange membrane, electro chemical catalyst, diffusion layer and bipolar plates.When operation of fuel cells, it is inner, and following course of reaction takes place: reacting gas spreads in diffusion layer, when reacting gas arrives Catalytic Layer, is adsorbed by catalyst in Catalytic Layer and electrocatalytic reaction takes place; The proton that anode reaction generates is by being delivered to cathode side in the proton exchange membrane, electronics arrives negative electrode through external circuit, with oxygen molecule reaction bonded Cheng Shui, emits heat simultaneously.Electrode reaction is:
Anode (negative pole): H
2→ 2H
++ 2e
Negative electrode (positive pole): 1/2O
2+ 2H
++ 2e → H
2O
Cell reaction: H
2+ 1/2O
2→ H
2O
Stand-by power supply mainly is in order to prevent that digital product from outage taking place or do not have standby power supply under the electric condition in long-time use.Conventional stand-by power supply is to be fuel with the lead-acid battery, but the environmental pollution of lead-acid battery own, and must change in 3 years, cost also will increase substantially.Society is all advocating environmental protection at present, seeks new forms of energy and replaces.So the new forms of energy fuel cell produces.The fuel cell principle is to be raw material with hydrogen and oxygen, directly produces electric energy by electrochemical reaction.Because the colorless and odorless of hydrogen fuel own, and has lower burning-point, so seem most important in the hydrogen safe handling.Supply with the safe hydrogen-feeding system of hydrogen that must have a cover and fuel cell to be complementary for ensureing fuel cell stand-by power supply hydric safe.
Hydrogen-feeding system on the market is simpler and easy at present, after changing the maintenance of hydrogen bottle and pipeline, the air in the pipeline is not purged, make hydrogen mix with air in the pipeline and cause potential safety hazard, use so present hydrogen supply bus-bar is not suitable for fuel cell stand-by power supply hydrogen supply system.
The nitrogen purging device that improves fuel battery service life in the patent No. 200720015229 is to install nitrogen purging device additional at fuel cell.Its structure is that nitrogen purging device is made up of nitrogen electromagnetically operated valve and the bottle that nitrogen is housed.The outlet of bottle is connected to the anode inlet of fuel cell through the nitrogen electromagnetically operated valve.Nitrogen purging device is discharged the air that infiltrates in the anode cavities before fuel cell start-up; When operation of fuel cells stops, hydrogen residual in the anode cavities is discharged.Effectively prevented hydrogen and air haptoreaction in the anode cavities, thus the useful life of having improved battery.This patent is mentioned the nitrogen purging and is only purged at the fuel cell pipeline, hydrogen supply bus-bar and homogeneous tube road is not carried out the nitrogen purging, is not suitable for the fuel cell stand-by power supply.
Self-generated nitrogen blowing and cleaning system at the patent No. 200710157420 protection fuel battery car engines, comprise fuel cell and air supply system thereof and hydrogen feed system, also comprise an air deoxidation jar in the self-generated nitrogen blowing and cleaning system, air deoxidation jar respectively with the hydrogen feed system, air supply system is connected with fuel cell, the invention has the beneficial effects as follows: when fuel cell is, residual hydrogen in the hydrogen air chamber of fuel cell pack is by nitrogen replacement, prevented that fuel cell is corroded, improved the useful life of Proton Exchange Membrane Fuel Cells; Realized the automation of online preparation nitrogen and purging; Utilize fuel cell tail row hydrogen that the deoxidier of air deoxidation jar is regenerated, realized effective utilization of the energy, cost is low; Purging system simple in structure, easy to operate, the efficient height, the life-span is long, and applicability is wide, can be widely used in the Proton Exchange Membrane Fuel Cells automobile engine.This patent mention self-generated nitrogen blowing and cleaning system only at the residual hydrogen in the fuel cell pile hydrogen air chamber by nitrogen replacement, but can't purge hydrogen supply bus-bar pipeline, be not suitable for the fuel cell stand-by power supply.
Summary of the invention
Because the problems referred to above that prior art exists the objective of the invention is to propose a kind of fuel cell stand-by power supply hydrogen supply bus-bar nitrogen purging system, it is a kind of safe and reliable hydrogen-feeding system that can be used for the fuel cell stand-by power supply.
For achieving the above object, the present invention is solved by the following technical programs:
A kind of fuel cell stand-by power supply hydrogen supply bus-bar nitrogen purging system, comprise the unidirectional valve that is connected with nitrogen cylinder, one manual exhaust-valve is connected with this unidirectional valve respectively with high-pressure pressure-reducing valve, one high pressure gauge and middle pressure table are respectively with after this high-pressure pressure-reducing valve is connected, be connected to low-pressure relief valve by this high-pressure pressure-reducing valve by pipeline again, a low-pressure meter is by successively being connected with snap joint with electromagnetically operated valve by pipeline behind this low-pressure relief valve.
As further feature of the present invention, also comprise a pressure sensor that is connected with high-pressure pressure-reducing valve.
As further feature of the present invention, described pipeline is 3/8 stainless steel pipeline.
Owing to adopt above technical scheme, fuel cell stand-by power supply hydrogen supply bus-bar nitrogen purging system of the present invention, it is a kind of safe and reliable hydrogen-feeding system that can be used for the fuel cell stand-by power supply, this system not only can carry out nitrogen at fuel cell stand-by power supply hydrogen pipeline and purge, and more can play fast insert-pull, operation easily and efficiently.
Description of drawings
The invention will be further described with specific embodiment with reference to the accompanying drawings below:
Fig. 1 is that fuel cell stand-by power supply hydrogen supply bus-bar nitrogen purges schematic diagram.
Among the figure: 1, unidirectional valve; 2, manual exhaust-valve; 3, high-pressure manometer; 4, middle pressure pressure table; 5, high-pressure transducer P1; 6, high-pressure pressure-reducing valve; 7, low pressure gauge; 8, low-pressure relief valve; 9, electromagnetically operated valve; 10, quick connector
Embodiment
As shown in Figure 1, fuel cell stand-by power supply hydrogen supply bus-bar nitrogen purging system of the present invention is by 3/8 " stainless steel tube, 3/8 " evacuated tube, pressure sensor P15, unidirectional valve 1, high pressure gauge 3, middle pressure table 4, low-pressure meter 7, high-pressure pressure-reducing valve 6, low-pressure relief valve 8, electromagnetically operated valve 9, manually exhaust-valve 2, snap joint 10, nitrogen cylinder, steel cylinder fixed support etc. are formed.High pressure gauge 3 is installed in high-pressure pressure-reducing valve 6 with middle pressure table 4, again by high-pressure pressure-reducing valve 6 by 3/8 " the stainless steel pipeline is connected to low-pressure relief valve 8; low-pressure meter 7 is installed in low-pressure relief valve 8 backs by 3/8 " the stainless steel pipeline is connected with electromagnetically operated valve 9, snap joint 10 successively, each connected mode is to connect with the cutting ferrule form, its objective is the more effective gas leak that prevents; Pressure sensor 5 is connected with high-pressure pressure-reducing valve 6.
With the quick access interface of nitrogen, reduce to middle pressure by high-pressure pressure-reducing valve 6, reduce to low pressure by second depressurized valve 8 again and feed pipeline.When being full of nitrogen in the pipeline, open hand-operated valve 2 gas in the pipeline is discharged, switch hand-operated valve 2 reduces air and impurity in the pipeline repeatedly.When system moves, the hydrogen cylinder valve is opened, because the hydrogen bottle is in high pressure, needed high pressure is reduced to the middle low pressure feeding fuel cell of pressing and then reduce to.Open air compressor machine air is entered fuel cell by humidifier, produce power under the effect of proton exchange membrane is generated electricity owing to hydrogen and airborne oxygen.The heat of whole generating is reduced by radiator fan by outer loop water.
But above-mentioned embodiment is exemplary, is to be the restriction that this patent is comprised scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses do anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (3)
1. fuel cell stand-by power supply hydrogen supply bus-bar nitrogen purging system, it is characterized in that: comprise the unidirectional valve that is connected with nitrogen cylinder, one manual exhaust-valve is connected with this unidirectional valve respectively with high-pressure pressure-reducing valve, one high pressure gauge and middle pressure table are respectively with after this high-pressure pressure-reducing valve is connected, be connected to low-pressure relief valve by this high-pressure pressure-reducing valve by pipeline again, a low-pressure meter is by successively being connected with snap joint with electromagnetically operated valve by pipeline behind this low-pressure relief valve.
2. nitrogen purging system according to claim 1 is characterized in that: also comprise a pressure sensor that is connected with high-pressure pressure-reducing valve.
3. nitrogen purging system according to claim 1 and 2, it is characterized in that: described pipeline is 3/8 stainless steel pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100438914A CN103236554A (en) | 2013-02-04 | 2013-02-04 | Hydrogen-supply busbar nitrogen purging system for emergency power supply of fuel cell |
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|---|---|---|---|
| CN2013100438914A CN103236554A (en) | 2013-02-04 | 2013-02-04 | Hydrogen-supply busbar nitrogen purging system for emergency power supply of fuel cell |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166100A (en) * | 2014-06-16 | 2014-11-26 | 弗尔赛（上海）能源科技有限公司 | Gas supply system of fuel cell testboard |
| CN106469819A (en) * | 2016-11-29 | 2017-03-01 | 北京建筑大学 | A kind of fuel cell parameters control system and its method of work |
| CN106992306A (en) * | 2016-08-04 | 2017-07-28 | 上海瀚氢动力科技有限公司 | A kind of combination valve for fuel cell |
| CN107994643A (en) * | 2017-12-21 | 2018-05-04 | 新源动力股份有限公司 | A kind of fuel cell power source and battery power supply system |
| CN113619380A (en) * | 2021-07-09 | 2021-11-09 | 东风汽车集团股份有限公司 | Gas replacement system of fuel cell hybrid electric vehicle and control method thereof |
| CN114220992A (en) * | 2021-10-29 | 2022-03-22 | 东风汽车集团股份有限公司 | Purging system and purging method for fuel cell vehicle |
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| KR20040002074A (en) * | 2002-06-29 | 2004-01-07 | 현대자동차주식회사 | A purging device of fuel cell system |
| CN101162781A (en) * | 2007-10-09 | 2008-04-16 | 新源动力股份有限公司 | Hydrogen gas system for enhancing fuel battery service life |
| CN201112484Y (en) * | 2007-10-09 | 2008-09-10 | 新源动力股份有限公司 | Nitrogen purging device for increasing fuel cell lifetime |
| CN102569850A (en) * | 2012-01-04 | 2012-07-11 | 昆山弗尔赛能源有限公司 | Fuel cell hydrogen supplying system for backup power |
| CN203179987U (en) * | 2013-02-04 | 2013-09-04 | 昆山弗尔赛能源有限公司 | Nitrogen purging system for hydrogen supplying busbar of emergency power supply of fuel cell |
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2013
- 2013-02-04 CN CN2013100438914A patent/CN103236554A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040002074A (en) * | 2002-06-29 | 2004-01-07 | 현대자동차주식회사 | A purging device of fuel cell system |
| CN101162781A (en) * | 2007-10-09 | 2008-04-16 | 新源动力股份有限公司 | Hydrogen gas system for enhancing fuel battery service life |
| CN201112484Y (en) * | 2007-10-09 | 2008-09-10 | 新源动力股份有限公司 | Nitrogen purging device for increasing fuel cell lifetime |
| CN102569850A (en) * | 2012-01-04 | 2012-07-11 | 昆山弗尔赛能源有限公司 | Fuel cell hydrogen supplying system for backup power |
| CN203179987U (en) * | 2013-02-04 | 2013-09-04 | 昆山弗尔赛能源有限公司 | Nitrogen purging system for hydrogen supplying busbar of emergency power supply of fuel cell |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166100A (en) * | 2014-06-16 | 2014-11-26 | 弗尔赛（上海）能源科技有限公司 | Gas supply system of fuel cell testboard |
| CN106992306A (en) * | 2016-08-04 | 2017-07-28 | 上海瀚氢动力科技有限公司 | A kind of combination valve for fuel cell |
| CN106992306B (en) * | 2016-08-04 | 2019-08-23 | 上海瀚氢动力科技有限公司 | A kind of combination valve for fuel cell |
| CN106469819A (en) * | 2016-11-29 | 2017-03-01 | 北京建筑大学 | A kind of fuel cell parameters control system and its method of work |
| CN106469819B (en) * | 2016-11-29 | 2019-02-22 | 北京建筑大学 | A kind of fuel cell parameters control system and its working method |
| CN107994643A (en) * | 2017-12-21 | 2018-05-04 | 新源动力股份有限公司 | A kind of fuel cell power source and battery power supply system |
| CN107994643B (en) * | 2017-12-21 | 2024-06-07 | 新源动力股份有限公司 | Fuel cell power supply and battery power supply system |
| CN113619380A (en) * | 2021-07-09 | 2021-11-09 | 东风汽车集团股份有限公司 | Gas replacement system of fuel cell hybrid electric vehicle and control method thereof |
| CN113619380B (en) * | 2021-07-09 | 2023-07-14 | 东风汽车集团股份有限公司 | Gas replacement system of fuel cell hybrid electric vehicle and control method thereof |
| CN114220992A (en) * | 2021-10-29 | 2022-03-22 | 东风汽车集团股份有限公司 | Purging system and purging method for fuel cell vehicle |
| CN114220992B (en) * | 2021-10-29 | 2023-08-29 | 东风汽车集团股份有限公司 | Purging system and purging method for fuel cell vehicle |
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Application publication date: 20130807 |