CN101956634B - Device for preparing, storing and feeding vehicle-mounted hydrogen/oxygen and control method thereof - Google Patents
Device for preparing, storing and feeding vehicle-mounted hydrogen/oxygen and control method thereof Download PDFInfo
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- CN101956634B CN101956634B CN2010102793391A CN201010279339A CN101956634B CN 101956634 B CN101956634 B CN 101956634B CN 2010102793391 A CN2010102793391 A CN 2010102793391A CN 201010279339 A CN201010279339 A CN 201010279339A CN 101956634 B CN101956634 B CN 101956634B
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 237
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 237
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 215
- 239000001301 oxygen Substances 0.000 title claims abstract description 175
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 18
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 168
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims description 28
- 150000002431 hydrogen Chemical class 0.000 claims description 24
- 239000003063 flame retardant Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 2
- 229910001882 dioxygen Inorganic materials 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 3
- 239000003502 gasoline Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000001473 noxious effect Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a device for preparing, storing and feeding vehicle-mounted hydrogen/oxygen and a control method thereof, particularly relating to prepare, store and feed the hydrogen and the oxygen on a vehicle. In the system, based on reserving an engine storage battery, a vehicle-mounted hydrogen and oxygen preparing device, a hydrogen and oxygen storing device, a hydrogen and oxygen preparing, storing and electronicaly control unit are increased, wherein, according to an accumulator voltage signal, and a hydrogen and oxygen storage tank pressure signal, the electronicaly control unit controls opening and closing of a hydrogen and oxygen preparing machine switch relay, an oxygen tank unidirectional gas discharging valve, an oxygen supply linear solenoid valve and a hydrogen supply pipeline solenoid valve, thus realizing the preparation, storing, feeding, and controlling of the hydrogen and the oxygen on the vehicle. The system has the advantages of realizing the preparation and storing of the hydrogen and the oxygen on the vehicle, ensuring that the vehicle can utilize the hydrogen and the oxygen prepared by the system in the last-time operation when in cold starting, so as to realize the starting of pure hydrogen or pure hydrogen-oxygen gas mixture for the increasing of the hydrogen and oxygen storing device, thereby greatly reducing HC and CO emission when a gasoline engine is started.
Description
Technical field
The present invention provides that a kind of on-board hydrogen/oxygen is produced, storage, supplier and controlling method thereof, and particular content relates to producing, store and supply with car of hydrogen and oxygen.
Background technique
Along with petroleum resources reduce serious day by day with the automobile exhaust pollution problem day by day, improve internal combustion engine thermal efficiency, the reduction noxious emission becomes one of major issue of the required solution of current internal combustion engine development.Because diffusion and the velocity of combustion of hydrogen are higher than gasoline, thereby air inlet mixes hydrogen and can effectively shorten the combustion duration of motor, thereby improves the petrol engine thermal efficiency and reduce HC and CO discharges.Simultaneously, knock limit that hydrogen is broad and lower ignition energy make that also mixing hydrogen internal combustion engine can move under the lean combustion pattern, thereby further improve internal-combustion engine economy and emission performance.Oxygen is one of ideal combustion improver, on internal-combustion engine, adopt oxygen-enriched air can promote effectively fuel fully, burning apace, and then reduce internal-combustion engine oil consumption rate and noxious emission.Because the Infrastructure that costs such as hydrogen manufacturing at present, Chu Qing are higher with relevant is less, this makes hydrogen and mixed hydrogen internal combustion engine automobile be difficult to interior large size of short time and promotes.
The mode of producing of hydrogen mainly contains reforming methane or hydrogen manufacturing of coal equal energy source and water electrolysis hydrogen production dual mode at present.Complicated through fossil energy process for making hydrogen such as reforming methane or coals, and still can produce CO, CO
2And other noxious emission, thereby can not make Hydrogen Energy produce process realization zero-emission.Through renewable energy power generation brine electrolysis such as solar energy, wind energy, water abilities, not only can produce hydrogen and also can obtain oxygen, the process of producing realizes zero-emission.
The storage means of hydrogen is divided into modes such as high-pressure gaseous storage hydrogen, liquid storage hydrogen and hydride hydrogen-storing.High-pressure gaseous storage hydrogen is increased to Hydrogen Vapor Pressure more than the 20MPa usually, utilizes equipment such as gas tank that hydrogen is stored, but because the energy density per unit volume metric density of hydrogen is low, thereby the hydrogen finite energy that adopts this technology to store.Although adopt liquid storage hydrogen can improve hydrogen with the car storage volume, liquid hydrogen storage cost costliness, complex structure, system be from great, and problem such as energy loss is big when having liquefaction of hydrogen.And materials such as employing metal hydride store hydrogen, and also there are problems such as equipment volume is big, the life-span is short in the technology of release hydrogen under certain condition.Simultaneously, above-mentioned 3 kinds of hydrogen storage modes all can only be stored the hydrogen that has made, thereby bigger to the degree of dependence at hydrogenation station.
Water electrolysis hydrogen production be realize hydrogen with system with one of effective technology of usefulness because the volume of water electrolysis hydrogen production machine is little, power consumption is relatively low, so this hydrogen making machine is more suitable on vehicle, installing and be that power supply is realized producing with car of hydrogen, oxygen with the storage battery.At present, the water electrolysis hydrogen production machine is divided into mainly that the asbestos film adds alkaline electrolyte and ion exchange membrane adds two kinds of forms of deionized water electrolytic solution.But owing to can carry the alkali matter harmful to engine part in the hydrogen that asbestos membrane type hydrogen making machine is produced, thereby this technology is not suitable for actual use the on vehicle.By contrast, it is electrolytic solution that the ion membrane type hydrogen making machine adopts deionized water, thus utilize the prepared hydrogen purity of this hydrogen making machine higher, and can avoid alkali lye to get into the damage that motor produces part.
Summary of the invention
With the problem that hydrogen-oxygen gas storing technology exists, the invention provides that a kind of on-board hydrogen-oxygen is produced, storage, supplier to traditional vehicle.This device can be realized producing and store with car of hydrogen, oxygen; For motor provides pure hydrogen and two kinds of blowing models of hydrogen and oxygen mixture; Through ventilation channel and hydrogen supply pipeline oxygen and hydrogen are delivered to intake manifold and hydrogen rail respectively; Realized supplying with hydrogen, separating of oxygen, guaranteed the security of operation of system.
To achieve these goals, the present invention has taked following technological scheme.System oxyhydrogen machine 3, system oxyhydrogen machine switch relay 2, hydrogen and oxygen stocking system and electronic control unit 17 that this device comprises storage battery 1, is electrically connected with storage battery.
Described hydrogen and oxygen stocking system, comprise with the hydrogen storage tank 5 and the oxygen storage tank 7 that are connected of system oxyhydrogen machine, be connected hydrogen supply pipeline unidirectional electrical magnet valve 4 on the connecting pipeline between system oxyhydrogen machine and the hydrogen storage tank, be connected ventilation channel unidirectional electrical magnet valve 6, the oxygen tank single-way gas-discharge valve 8 that is installed in oxygen gas holder top and oxygen storage tank pressure transducer 9 on the connecting pipeline between system oxyhydrogen machine and the oxygen storage tank, be installed in hydrogen gas holder top hydrogen storage tank pressure transducer 12, the ventilation channel 11 that is connected with oxygen storage tank, the hydrogen supply pipeline 14 that is connected with hydrogen storage tank, be connected oxygen supply air pipe linear solenoid valve 10 and the fire-retardant valve 15 of oxygen supply pipeline on the ventilation channel and be connected hydrogen supplying tube way solenoid valve 13 and the fire-retardant valve 16 of hydrogen supply pipeline on the hydrogen supply pipeline;
The volume ratio of described hydrogen storage tank 5 and oxygen storage tank 6 is 2: 1.
On-board hydrogen/oxygen is produced among the present invention, the operation method of storage, supplier is following:
1) hydrogen manufacturing oxygen and storage hydrogen-oxygen process: electronic control unit 17 at first detects battery tension signal, hydrogen storage tank pressure signal and oxygen storage tank pressure signal; Be higher than 12 volts at storage battery 1 voltage; And when hydrogen storage tank and oxygen tank pressure all are lower than 3bar; ECU 17 sends control signal connection system oxyhydrogen machine switch relay 2 and makes system oxyhydrogen machine 3 beginning hydrogen and oxygen, and prepared hydrogen and oxygen are respectively through in pipeline entering hydrogen storage tank 5 and the oxygen storage tank 7; When battery tension is lower than 12 volts, or hydrogen storage tank 5 is when being higher than 3bar with oxygen storage tank 7 one of them pressure, and electronic control unit 17 sends control signal, breaks off system oxyhydrogen machine switch relay 2 and makes system oxyhydrogen machine 3 out of service;
2) air feed process: this system can provide pure hydrogen and two kinds of blowing models of hydrogen and oxygen mixture, to satisfy under the different operating modes motor to the supply requirement of hydrogen, oxygen;
I) when supplying with pure hydrogen; Electronic control unit 17 sends control signal c and opens hydrogen supplying tube way solenoid valve 13; Send control signal simultaneously and close ventilation channel linear solenoid valve 10, make hydrogen pass through hydrogen supply pipeline 14 and the fire-retardant valve 16 entering motor hydrogen rails of hydrogen supply pipeline.Simultaneously; Electronic control unit 17 is according to detected oxygen storage tank pressure signal f and hydrogen storage tank pressure signal g; When oxygen storage tank pressure and hydrogen storage pressure tank are unequal; Electronic control unit sends control signal e and opens oxygen storage tank single-way gas-discharge valve 8 and make part oxygen discharge get into operator cabin, and is identical with the maintenance of oxygen storage tank pressure to guarantee hydrogen storage tank.
Ii) when supplying with hydrogen and oxygen mixture, electronic control unit 17 sends control signal c and opens hydrogen supplying tube way solenoid valve 13, makes hydrogen pass through hydrogen supply pipeline 14 and the fire-retardant valve 16 entering motor hydrogen rails of hydrogen supply pipeline; Simultaneously; Electronic control unit 17 sends control signal d and opens ventilation channel linear solenoid valve 10; And according to the aperture of detected hydrogen, oxygen storage tank pressure adjustment ventilation channel linear solenoid valve 10; Keep the pressure in hydrogen and the oxygen storage tank identical, make oxygen enter into engine intake manifold, to improve the oxygen concentration in the engine charge and to realize oxygen-enriched combusting through ventilation channel 11 and the fire-retardant valve 15 of oxygen supply pipeline.
The invention has the beneficial effects as follows:, proposed a kind of automobile-used online hydrogen manufacturing, Chu Qing and hydrogen and oxygen mixture supply system that be fit to the hydrogen infrastructure construction is not enough, hydrogenation is difficult and have the problem that hydrogen generating system is difficult to realize hydrogen, oxygen storage now.This vehicle-mounted hydrogen-oxygen is produced, storage, supply system can utilize the storage battery electric energy to realize producing with car of hydrogen and oxygen; And pass through one and overlap the storage that storage device is realized hydrogen and oxygen; Hydrogen of being produced when making vehicle can utilize last operation the and oxygen are realized pure hydrogen or the starting of pure hydrogen oxygen enrichment; Thereby HC that is produced when significantly reducing gasoline starting and CO discharging, and reduce motor energy consumption when starting.Simultaneously, utilize this system can provide pure hydrogen and hydrogen and oxygen mixture two kinds of different blowing models, to satisfy the needs of motor under the different operating modes.The pressure store of hydrogen and oxygen lower (being about 3bar) in the native system; Thereby the intensity of hydrogen and oxygen storage tank can significantly reduce with high pressure hydrogen, oxygen storage tank than traditional vehicle; Thereby reduced the weight and the manufacture cost of hydrogen generating system, helped improving car load Economy and system availability.Get into hydrogen rail and intake manifold because hydrogen and oxygen can be supplied with respectively, thereby avoided the tempering problem of sending into motor behind the hydrogen and oxygen mixture premix and causing has been improved security of system.
Description of drawings
Fig. 1 structure of the present invention and fundamental diagram
Among the figure: 1. storage battery; 2. make the oxyhydrogen machine switch relay; 3. system oxyhydrogen machine; 4. hydrogen supply line check valve; 5. hydrogen storage tank; 6. ventilation channel one-way valve; 7. oxygen storage tank; 8. oxygen storage tank single-way gas-discharge valve; 9. oxygen storage tank pressure transducer; 10. oxygen supply air pipe linear solenoid valve; 11. ventilation channel; 12. hydrogen storage tank pressure transducer; 13. hydrogen supplying tube way solenoid valve; 14. hydrogen supply pipeline; 15. the fire-retardant valve of oxygen supply pipeline; 16. the fire-retardant valve of hydrogen supply pipeline; 17. electronic control unit; A. battery tension signal; B. make the oxyhydrogen machine relay control signal; C. hydrogen supplying tube way solenoid valve control signal; D. oxygen supply air pipe electromagnetic valve signal; E. oxygen storage tank single-way gas-discharge valve control signal; F. oxygen storage tank pressure signal; G. hydrogen storage tank pressure signal
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
As shown in Figure 1, this device mainly comprises motor storage battery 1, system oxyhydrogen machine 3, system oxyhydrogen machine switch relay 2, hydrogen and oxygen stocking system and electronic control unit 17.
Hydrogen and oxygen stocking system comprise the hydrogen storage tank 5 and oxygen storage tank 7 that is connected with the system oxyhydrogen machine; Be connected the hydrogen supply pipeline unidirectional electrical magnet valve 4 on the connecting pipeline between system oxyhydrogen machine and the hydrogen storage tank; Be connected the ventilation channel unidirectional electrical magnet valve 6 on the connecting pipeline between system oxyhydrogen machine and the oxygen storage tank; Be installed in the oxygen tank single-way gas-discharge valve 8 and oxygen storage tank pressure transducer 9 on oxygen gas holder top; Be installed in the hydrogen storage tank pressure transducer 12 of hydrogen gas holder top; The ventilation channel 11 that is connected with oxygen storage tank; The hydrogen supply pipeline 14 that is connected with hydrogen storage tank; Be connected oxygen supply air pipe linear solenoid valve 10 and the fire-retardant valve 15 of oxygen supply pipeline on the ventilation channel; And be connected the hydrogen supplying tube way solenoid valve 13 and the fire-retardant valve 16 of hydrogen supply pipeline on the hydrogen supply pipeline.
A kind of vehicle-mounted hydrogen-oxygen is produced, the method for operation of storage, supply system is:
1. hydrogen manufacturing and storage hydrogen process: electronic control unit 17 at first detects battery tension signal a, hydrogen storage tank pressure signal f and oxygen storage tank pressure signal g; Be higher than 12 volts at storage battery 1 voltage; And hydrogen, when oxygen tank pressure is lower than 3bar; Electronic control unit 17 sends control signal b connection system oxyhydrogen machine switch relay 2 and makes system oxyhydrogen machine 3 beginning hydrogens, oxygen, and prepared hydrogen and oxygen are respectively through in pipeline entering hydrogen storage tank 5 and the oxygen storage tank 7.When battery tension was lower than any one pressure in 12 volts or hydrogen, the oxygen storage tank pressure and is higher than 3bar, electronic control unit 17 sent control signal b, breaks off system oxyhydrogen machine switch relay 2 and makes system oxyhydrogen machine 3 out of service.Owing in hydrogen and oxygen storage tank and pipeline that the system oxyhydrogen machine is connected, hydrogen supply line check valve 4 and ventilation channel one-way valve 6 have been installed respectively, thereby have made and be stored in hydrogen, oxygen in hydrogen and the oxygen storage tank and can not flow backwards back and make oxyhydrogen machine 3.
2. air feed process: a kind of vehicle-mounted hydrogen-oxygen is produced, storage, supply system can provide pure hydrogen and two kinds of blowing models of hydrogen and oxygen mixture, to satisfy under the different operating modes motor to the supply requirement of hydrogen, oxygen.
1) when supplying with pure hydrogen; Electronic control unit 17 sends control signal c and opens hydrogen supplying tube way solenoid valve 13; And send control signal d and close ventilation channel linear solenoid valve 10, make hydrogen pass through hydrogen supply pipeline 14 and the fire-retardant valve 16 entering motor hydrogen rails of hydrogen supply pipeline.Simultaneously; Electronic control unit 17 is according to detected oxygen storage tank pressure signal f and hydrogen storage tank pressure signal g; When oxygen storage tank pressure and hydrogen storage pressure tank are unequal; Electronic control unit sends control signal e and opens oxygen storage tank single-way gas-discharge valve 8 and make part oxygen discharge get into operator cabin, keeps equating to guarantee hydrogen, oxygen tank pressure.
2) when supplying with hydrogen and oxygen mixture, electronic control unit 17 sends control signal c and opens hydrogen supplying tube way solenoid valve 13, makes hydrogen pass through hydrogen supply pipeline 14 and hydrogen supplying tube roadlock combustion valve 16 entering motor hydrogen rails.Simultaneously; Electronic control unit 17 sends control signal d and opens ventilation channel linear solenoid valve 10; And according to the aperture of detected hydrogen, oxygen storage tank pressure adjustment ventilation channel linear solenoid valve 10; Keep the pressure balance in hydrogen and the oxygen storage tank, make oxygen enter into engine intake manifold, to improve the oxygen concentration in the engine charge and to realize oxygen-enriched combusting through ventilation channel 11 and the fire-retardant valve 15 of ventilation channel.
Claims (1)
- An on-board hydrogen/oxygen produce, the controlling method of storage, supplier; Its based on a kind of on-board hydrogen/oxygen produce, storage, supplier, system oxyhydrogen machine (3), system oxyhydrogen machine switch relay (2), hydrogen and oxygen stocking system and electronic control unit (17) that this device comprises storage battery (1), is electrically connected with storage battery;Described hydrogen and oxygen stocking system comprise with the hydrogen storage tank (5) and the oxygen storage tank (7) that are connected of system oxyhydrogen machine, are connected unidirectional electrical magnet valve (4) on the connecting pipeline between system oxyhydrogen machine and the hydrogen storage tank, are connected unidirectional electrical magnet valve (6), the oxygen tank single-way gas-discharge valve (8) that is installed in oxygen storage tank top and oxygen storage tank pressure transducer (9) on the connecting pipeline between system oxyhydrogen machine and the oxygen storage tank, are installed in hydrogen storage tank pressure transducer (12), the ventilation channel (11) that is connected with oxygen storage tank, the hydrogen supply pipeline (14) that is connected with hydrogen storage tank above the hydrogen storage tank, are connected ventilation channel linear solenoid valve (10) and the fire-retardant valve of oxygen supply pipeline (15) on the ventilation channel and are connected hydrogen supplying tube way solenoid valve (13) and the fire-retardant valve of hydrogen supply pipeline (16) on the hydrogen supply pipeline;Electronic control unit (17) links to each other with storage battery (1), obtains motor battery tension signal a;Electronic control unit (17) links to each other with the system oxyhydrogen machine through system oxyhydrogen machine switch relay (2), the start and stop of control system oxyhydrogen machine;Electronic control unit (17) also links to each other with oxygen storage tank pressure transducer (9), hydrogen storage tank pressure transducer (12), oxygen tank single-way gas-discharge valve (8), ventilation channel linear solenoid valve (10) and hydrogen supplying tube way solenoid valve (13):It is characterized in that this method comprises the steps:1) hydrogen manufacturing oxygen and storage hydrogen-oxygen process: electronic control unit (17) at first detects battery tension signal, hydrogen storage tank pressure signal and oxygen storage tank pressure signal; Be higher than 12 volts at storage battery (1) voltage; And when hydrogen storage tank and oxygen storage tank pressure all are lower than 3bar; Electronic control unit (17) sends control signal connection system oxyhydrogen machine switch relay (2) and makes system oxyhydrogen machine (3) beginning hydrogen and oxygen, and prepared hydrogen and oxygen are respectively through in pipeline entering hydrogen storage tank (5) and the oxygen storage tank (7); When battery tension is lower than 12 volts, or hydrogen storage tank (5) and oxygen storage tank (7) any one pressure wherein is when being higher than 3bar, and electronic control unit (17) sends control signal, breaks off system oxyhydrogen machine switch relay (2) and makes system oxyhydrogen machine (3) out of service;2) air feed process: this system can provide pure hydrogen and two kinds of blowing models of hydrogen and oxygen mixture, to satisfy under the different operating modes motor to the supply requirement of hydrogen, oxygen;I) when supplying with pure hydrogen; Electronic control unit (17) sends control signal (c) and opens hydrogen supplying tube way solenoid valve (13); Send control signal simultaneously and close ventilation channel linear solenoid valve (10), make hydrogen pass through hydrogen supply pipeline (14) and the fire-retardant valve of hydrogen supply pipeline (16) entering motor hydrogen rail; Simultaneously; Electronic control unit (17) is according to detected oxygen storage tank pressure signal (f) and hydrogen storage tank pressure signal (g); When oxygen storage tank pressure and hydrogen storage pressure tank are unequal; Electronic control unit sends control signal (e) and opens oxygen tank single-way gas-discharge valve (8) and make part oxygen discharge get into operator cabin, and is identical with the maintenance of oxygen storage tank pressure to guarantee hydrogen storage tank;Ii) when supplying with hydrogen and oxygen mixture, electronic control unit (17) sends control signal (c) and opens hydrogen supplying tube way solenoid valve (13), makes hydrogen pass through hydrogen supply pipeline (14) and the fire-retardant valve of hydrogen supply pipeline (16) entering motor hydrogen rail; Simultaneously; Electronic control unit (17) sends control signal (d) and opens ventilation channel linear solenoid valve (10); And according to the aperture of detected hydrogen, oxygen storage tank pressure adjustment ventilation channel linear solenoid valve (10); Keep the pressure in hydrogen and the oxygen storage tank identical, make oxygen pass through ventilation channel (11) and the fire-retardant valve of oxygen supply pipeline (15) enters into engine intake manifold, to improve the oxygen concentration in the engine charge and to realize oxygen-enriched combusting.
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| CN2010102793391A CN101956634B (en) | 2010-09-10 | 2010-09-10 | Device for preparing, storing and feeding vehicle-mounted hydrogen/oxygen and control method thereof |
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| CN2010102793391A CN101956634B (en) | 2010-09-10 | 2010-09-10 | Device for preparing, storing and feeding vehicle-mounted hydrogen/oxygen and control method thereof |
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| CN102635429B (en) * | 2012-04-26 | 2013-12-04 | 北京工业大学 | Device and method for carrying out closed-loop control on discharge of internal combustion engine by using hydrogen and oxygen |
| US11738305B2 (en) | 2012-08-30 | 2023-08-29 | Element 1 Corp | Hydrogen purification devices |
| US9187324B2 (en) | 2012-08-30 | 2015-11-17 | Element 1 Corp. | Hydrogen generation assemblies and hydrogen purification devices |
| US10717040B2 (en) | 2012-08-30 | 2020-07-21 | Element 1 Corp. | Hydrogen purification devices |
| US20140065020A1 (en) * | 2012-08-30 | 2014-03-06 | David J. Edlund | Hydrogen generation assemblies |
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2010
- 2010-09-10 CN CN2010102793391A patent/CN101956634B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101956634A (en) | 2011-01-26 |
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