CN104791150A - Low-emission environment-friendly vehicle-mounted hydrogen production device and control method - Google Patents
Low-emission environment-friendly vehicle-mounted hydrogen production device and control method Download PDFInfo
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- CN104791150A CN104791150A CN201510126458.6A CN201510126458A CN104791150A CN 104791150 A CN104791150 A CN 104791150A CN 201510126458 A CN201510126458 A CN 201510126458A CN 104791150 A CN104791150 A CN 104791150A
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- 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
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The invention provides a low-emission environment-friendly vehicle-mounted hydrogen production device and a control method. The vehicle-mounted hydrogen production device comprises an engine storage battery, a hydrogen and oxygen production machine, a hydrogen and oxygen production machine switch relay, a hydrogen and oxygen storage system and an electronic control unit. The electronic control unit is connected with the storage battery which is connected to the hydrogen and oxygen production machine through the hydrogen and oxygen production machine switch relay, and the hydrogen and oxygen storage system is connected to the hydrogen and oxygen production machine. The online hydrogen production and storage and hydrogen-oxygen mixture supply system suitable of vehicles is provided to solve the problems that hydrogen infrastructure construction is not enough, hydrogenation is difficult and hydrogen and oxygen storage is hard to achieve through existing hydrogen production systems. Hydrogen and oxygen storage pressure is low (about 3 bar), the strength of a hydrogen and oxygen storage tank can be greatly reduced compared with a traditional automotive high-pressure hydrogen and oxygen storage tank, the weight and manufacturing cost of a hydrogen production system are reduced, and economy and system practicability of a whole vehicle can be conveniently improved.
Description
Technical field
The present invention relates to vehicle-mounted hydrogen production device technical field, be specially a kind of low emission environmental protection vehicle-mounted hydrogen production device and controlling method.
Background technique
Along with the minimizing day by day of petroleum resources and the day by day serious of automobile exhaust pollution problem, improve internal combustion engine thermal efficiency, reduction noxious emission becomes one of major issue of solution needed for current internal combustion engine development.Because the diffusion of hydrogen and velocity of combustion are higher than gasoline, thus air inlet mixes the combustion duration that hydrogen effectively can shorten motor, thus improves the petrol engine thermal efficiency and reduce HC and CO discharge.Meanwhile, the knock limit of hydrogen broadness and lower ignition energy also make mixed hydrogen internal combustion engine can run under lean combustion mode, thus improve internal-combustion engine economy and emission performance further.Oxygen is one of ideal combustion improver, internal-combustion engine adopts oxygen-enriched air can effectively promote that fuel fully, rapidly burns, and then reduces IC engine oil consumption rate and noxious emission.The Infrastructure higher and relevant due to costs such as current hydrogen manufacturing, Chu Qing is less, and this makes hydrogen and mixed hydrogen internal combustion engine automobile be difficult to spread in the short time.
The mode of producing of current hydrogen mainly contains reforming methane or the hydrogen manufacturing of coal equal energy source and water electrolysis hydrogen production two kinds of modes.Complicated by the fossil energy such as reforming methane or coal process for making hydrogen, and still can produce CO, CO
2and other noxious emission, Hydrogen Energy producing process thus can not be made to realize zero-emission.By renewable energy power generation brine electrolysis such as solar energy, wind energy, water energy, not only also can obtain oxygen by hydrogen making, producing process realizes zero-emission.
The storage means of hydrogen is divided into high-pressure gaseous to store up hydrogen, liquid mode such as storage hydrogen and hydride hydrogen-storing etc.High-pressure gaseous storage hydrogen usually Hydrogen Vapor Pressure is increased to more than 20MPa, utilize the equipment such as gas tank to store hydrogen, but due to the energy density per unit volume metric density of hydrogen low, thus adopt the hydrogen finite energy that this technology stores.Although adopt liquid storage hydrogen can improve hydrogen with car storage volume, storage of liquid hydrogen cost intensive, complex structure, system are from great, and the problem such as when there is liquefaction of hydrogen energy loss is large.And adopt the materials such as metal hydride to store hydrogen, and also there is the problems such as equipment volume is large, the life-span is short in the technology of release hydrogen under certain condition.Meanwhile, above-mentioned 3 kinds of hydrogen storage modes all can only store obtained hydrogen, thus larger to the degree of dependence of hydrogenation stations.
Water electrolysis hydrogen production be realize hydrogen with system with one of effective technology, because the volume of water electrolysis hydrogen production machine is little, power consumption is relatively low, so this hydrogen making machine is more suitable for installing on vehicle and is that power supply realizes hydrogen, the producing with car of oxygen with storage battery.At present, water electrolysis hydrogen production owner will be divided into asbestos film to add alkaline electrolyte and ion exchange membrane adds deionized water electrolytic solution two kinds of forms.But owing to can carry the alkali matter harmful to engine part in the hydrogen that asbestos membrane type hydrogen making machine produces, thus this technology is not suitable for actual on vehicle use.By contrast, ion membrane type hydrogen making machine adopts deionized water to be electrolytic solution, so utilize the hydrogen purity obtained by this hydrogen making machine higher, and damage alkali lye can being avoided to enter motor produce part.
Summary of the invention
Technical problem solved by the invention is to provide a kind of low emission environmental protection vehicle-mounted hydrogen production device and controlling method, to solve the problem in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions: a kind of low emission environmental protection vehicle-mounted hydrogen production device, it is characterized in that: this device comprises: motor storage battery, oxyhydrogen machine processed, oxyhydrogen machine switch relay processed, hydrogen and oxygen stocking system and electronic control unit, described electronic control unit is connected with storage battery, storage battery is connected to oxyhydrogen machine processed by oxyhydrogen machine switch relay processed, oxyhydrogen machine processed is connected with hydrogen and oxygen stocking system; Described electronic control unit is connected with hydrogen supplying tube way solenoid valve with oxygen storage tank pressure transducer, hydrogen gas storage tank pressure transducer, oxygen tank single-way gas-discharge valve, oxygen pipeline solenoid valve;
Described hydrogen and oxygen stocking system comprise the hydrogen storage tank and oxygen storage tank that are connected with oxyhydrogen machine processed, be connected to the hydrogen supply pipeline Unidirectional solenoid valve on the connecting pipeline between oxyhydrogen machine processed and hydrogen storage tank, be connected to the ventilation channel Unidirectional solenoid valve on the connecting pipeline between oxyhydrogen machine processed and oxygen storage tank, be arranged on oxygen tank single-way gas-discharge valve and the oxygen storage tank pressure transducer on oxygen gas holder top, be arranged on the hydrogen storage tank pressure transducer above hydrogen gas holder, the ventilation channel be connected with oxygen storage tank, the hydrogen supply pipeline be connected with hydrogen storage tank, be connected to the oxygen pipeline linear solenoid valve on ventilation channel and oxygen feeding pipe roadlock combustion valve, and the hydrogen supplying tube way solenoid valve be connected on hydrogen supply pipeline and hydrogen feed pipe roadlock combustion valve.
2, a kind of low emission environmental protection vehicle-mounted hydrogen production device according to claim 1, it is characterized in that: described hydrogen storage tank and oxygen storage tank are arranged on car body by vehicle-mounted tank body fixed base, described vehicle-mounted tank body fixed base comprises pedestal, scaffold, card article, described pedestal is set to open semi round column structure, pedestal right-hand member is higher than pedestal left end, and pedestal right-hand member is provided with mounting plate; Described scaffold is set to L shape structure, and scaffold is connected with pedestal two ends, and described pedestal, scaffold, mounting plate are provided with mounting hole, and described pedestal left end is vertically installed with iron prop; Described card article is set to semi-circle structure, and card article one end is connected with iron prop, and the card article the other end is connected in pedestal right-hand member.
3, application rights requires the method for device described in 1, it is characterized in that comprising the following steps:
(1) hydrogen manufacturing and storage hydrogen process: first electronic control unit detects battery tension signal a, hydrogen storage tank pressure signal f and oxygen storage tank pressure signal g, at battery tension higher than ten second of the three ten-day periods of the hot seasons, and hydrogen, oxygen tank pressure lower than 3bar time, electronic control unit sends control signal b connection oxyhydrogen machine switch relay processed makes oxyhydrogen machine processed start hydrogen, oxygen, and obtained hydrogen and oxygen enter in hydrogen storage tank and oxygen storage tank respectively by pipeline; When battery tension lower than any one pressure in ten second of the three ten-day periods of the hot seasons or hydrogen, oxygen storage tank pressure higher than 3bar time, electronic control unit sends control signal b, disconnects oxyhydrogen machine switch relay processed and makes oxyhydrogen machine processed out of service; Due in the pipeline that is connected with oxyhydrogen machine processed at hydrogen and oxygen storage tank, hydrogen supply line check valve and ventilation channel one-way valve have been installed respectively, thus obtained and be stored in hydrogen in hydrogen and oxygen storage tank, oxygen can not flow back to oxyhydrogen machine processed;
(2) air feed process: provide pure hydrogen and hydrogen and oxygen mixture two kinds of blowing models, with motor under satisfied different operating mode to the supply requirement of hydrogen, oxygen;
1) when supplying pure hydrogen, electronic control unit sends control signal c and opens hydrogen supplying tube way solenoid valve, and sends control signal d closedown ventilation channel linear solenoid valve, makes hydrogen enter engine hydrogen rail by hydrogen supply pipeline and hydrogen feed pipe roadlock combustion valve; Simultaneously, electronic control unit is according to the oxygen storage tank pressure signal f detected and hydrogen storage tank pressure signal g, when oxygen storage tank pressure and hydrogen storage pressure tank unequal time, electronic control unit send control signal e open oxygen storage tank single-way gas-discharge valve make partial oxidation discharge enter operator cabin, with ensure hydrogen, oxygen tank pressure keep equal;
2) when supplying hydrogen and oxygen mixture, electronic control unit sends control signal c and opens hydrogen supplying tube way solenoid valve, hydrogen is made to enter engine hydrogen rail by hydrogen supply pipeline and hydrogen supplying tube roadlock combustion valve, simultaneously, electronic control unit sends control signal d and opens ventilation channel linear solenoid valve, and according to the hydrogen detected, the aperture of oxygen storage tank pressure adjusting ventilation channel linear solenoid valve, keep oxygen storage tank pressure equal with hydrogen storage pressure tank, oxygen is made to enter into engine intake manifold by ventilation channel and the fire-retardant valve of ventilation channel, realize oxygen-enriched combusting with the oxygen concentration improved in engine charge.
Compared with public technology, there is following advantage in the present invention: the present invention is directed to the problem that hydrogen infrastructure construction is not enough, the difficult and existing hydrogen generating system of hydrogenation is difficult to realize hydrogen, oxygen storage, propose a kind of applicable automobile-used hydrogen manufacturing, storage hydrogen and hydrogen and oxygen mixture supply system.This vehicle-mounted hydrogen-oxygen is produced, store, supply system can utilize storage battery electric energy to realize producing with car of hydrogen and oxygen, and the storage of hydrogen and oxygen is realized by a set of storage device, the hydrogen produced when making vehicle that the last time can be utilized to run and oxygen realize pure hydrogen or the starting of pure hydrogen oxygen enrichment, thus HC and the CO discharge produced when significantly reducing gasoline starting, and reduce motor energy consumption when starting.Meanwhile, utilize the blowing model that this system can provide pure hydrogen different with hydrogen and oxygen mixture two kinds, with the needs of motor under satisfied different operating mode.The pressure store of hydrogen and oxygen lower (being about 3bar) in native system, thus the intensity of hydrogen and oxygen storage tank can comparatively traditional vehicle high pressure hydrogen, oxygen storage tank significantly reduce, thus decrease weight and the manufacture cost of hydrogen generating system, be conducive to improving car load Economy and system availability.Enter hydrogen rail and intake manifold because hydrogen and oxygen can supply respectively, thus avoid the tempering problem caused sending into motor after hydrogen and oxygen mixture premix, improve security of system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is oxyhydrogen machine structural representation processed of the present invention.
Fig. 3 is oxyhydrogen machine electrode plate structure schematic diagram processed of the present invention.
Fig. 4 is vehicle-mounted tank body fixed seat structure schematic diagram of the present invention.
Embodiment
Object is reached and effect is easy to understand in order to make technological means of the present invention, creation characteristic, workflow, using method, below in conjunction with the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of low emission environmental protection vehicle-mounted hydrogen production device, comprise: motor storage battery 1, oxyhydrogen machine processed 3, oxyhydrogen machine switch relay 2 processed, hydrogen and oxygen stocking system and electronic control unit 17, described electronic control unit 17 is connected with storage battery 1, storage battery 1 is connected to oxyhydrogen machine 3 processed by oxyhydrogen machine switch relay 2 processed, oxyhydrogen machine 3 processed is connected with hydrogen and oxygen stocking system.
In the present embodiment, described hydrogen and oxygen stocking system comprise the hydrogen storage tank 5 and oxygen storage tank 7 that are connected with oxyhydrogen machine processed, be connected to the hydrogen supply pipeline Unidirectional solenoid valve 4 on the connecting pipeline between oxyhydrogen machine processed and hydrogen storage tank, be connected to the ventilation channel Unidirectional solenoid valve 6 on the connecting pipeline between oxyhydrogen machine processed and oxygen storage tank, be arranged on oxygen tank single-way gas-discharge valve 8 and the oxygen storage tank pressure transducer 9 on oxygen gas holder top, be arranged on the hydrogen storage tank pressure transducer 12 above hydrogen gas holder, the ventilation channel 11 be connected with oxygen storage tank, the hydrogen supply pipeline 14 be connected with hydrogen storage tank, be connected to the oxygen pipeline linear solenoid valve 10 on ventilation channel and oxygen feeding pipe roadlock combustion valve 15, and the hydrogen supplying tube way solenoid valve 13 be connected on hydrogen supply pipeline and hydrogen feed pipe roadlock combustion valve 16.
In the present embodiment, as shown in Figure 2 and Figure 3, described oxyhydrogen machine processed 3 comprises pole plate 31, edge rubber cushion frame 32, negative electrode connects end 33, anode connects end 34, hydrogen and oxygen mixture outlet 35, and each a slice in two ends of described pole plate 31 is connected in negative electrode respectively and connects end 33 and anode connects end 34; Described insulation rubber cushion frame 32 is arranged on the same as face of every a slice pole plate 31, arranged in parallel and fixing formation electrolytic bath erect by pole plate 31, the upper end of the inner side of installing insulating rubber cushion frame 32 position of described pole plate 31 has gas via-hole 39, liquid through-hole 310 and liquid gas equalizing orifice 311, after described pole plate 31 and the combination of insulation rubber cushion frame 32 are mounted to electrolytic bath, gas via-hole 39 constitutes gas channel, and liquid through-hole 310 constitutes fluid passage, and liquid gas equalizing orifice 311 constitutes liquid gas balance channel; Filling opening 36 and tap hole 37 is left respectively the upper and lower of the end of electrolytic bath.
In the present embodiment, as shown in Figure 4, described hydrogen storage tank 5 and oxygen storage tank 7 are arranged on car body by vehicle-mounted tank body fixed base, described vehicle-mounted tank body fixed base comprises pedestal 21, scaffold 22, card article 24, described pedestal 21 is set to open semi round column structure, pedestal 21 right-hand member is higher than pedestal 21 left end, and pedestal 21 right-hand member is provided with mounting plate 23; Described scaffold 22 is set to L shape structure, and scaffold 22 is connected with pedestal 21 two ends, and described pedestal 21, scaffold 22, mounting plate 23 are provided with mounting hole, and described pedestal 21 left end is vertically installed with iron prop 25; Described card article 24 is set to semi-circle structure, and card article 24 one end is connected with iron prop 25, and card article 24 the other end is connected in pedestal 21 right-hand member.
In the present embodiment, described electronic control unit 17 is connected with storage battery 1, obtain motor battery tension signal a, electronic control unit 17 is connected with oxyhydrogen machine processed by oxyhydrogen machine switch relay 2 processed, control the start and stop of oxyhydrogen machine processed, electronic control unit 17 is also connected with hydrogen supplying tube way solenoid valve 13 with oxygen storage tank pressure transducer 9, hydrogen storage tank pressure transducer 12, oxygen tank single-way gas-discharge valve 8, oxygen pipeline linear solenoid valve 10.
In the present embodiment, described electronic control unit 17 can obtain battery tension signal a, oxygen storage tank pressure signal f and hydrogen storage tank pressure signal g, send control command according to above-mentioned signal, control the opening and closing of oxyhydrogen machine switch relay 2 processed, the linear solenoid valve 10 of oxygen feeding pipe, hydrogen feed pipe way solenoid valve 13 and oxygen tank single-way gas-discharge valve 8.The hydrogen stored in hydrogen and oxygen storage tank, oxygen pressure are all designed to 3bar.Be provided with hydrogen supply pipeline Unidirectional solenoid valve 4 and ventilation channel solenoid valve 6 respectively in hydrogen and oxygen storage tank and oxyhydrogen machine joint processed, prevent the hydrogen in tank, oxygen flows back to oxyhydrogen machine processed.And in hydrogen and oxygen feeding pipe road, be provided with hydrogen feed pipe roadlock combustion valve 16 and oxygen feeding pipe roadlock combustion valve 15 respectively, in case non-return is fiery.When holding vessel pressure a certain in hydrogen or oxygen storage tank is higher than safety pressure, for preventing gas tank superpressure, oxyhydrogen machine processed is by out of service.Therefore, be hydrogen storage as much as possible, oxygen ensure system cloud gray model safety, hydrogen, oxygen storage tank internal pressure should keep identical.Because electrolysis 1mol water can produce 1mol hydrogen and 0.5mol oxygen, hydrogen and oxygen storage tank internal pressure balance during for ensureing that oxyhydrogen machine processed is run, the volume ratio of hydrogen storage tank 5 and oxygen storage tank 6 strictly controls to be 2: 1.Simultaneously, oxygen storage tank single-way gas-discharge valve 8 is set in oxygen storage tank, so that electronic control unit 17 can according to the hydrogen storage tank pressure f detected and oxygen storage tank pressure g two signals, send control signal e and open oxygen storage tank single-way gas-discharge valve 8, make hydrogen, oxygen storage tank pressure keep identical.Oxyhydrogen machine 1 processed adopts electrolysis with ion-exchange film water hydrogen-generator, and this device hydrogen, oxygen outlet pressure are constant is respectively 3bar.
A controlling method for low emission environmental protection vehicle-mounted hydrogen production device, comprises the following steps:
(1) hydrogen manufacturing and storage hydrogen process: first electronic control unit 17 detects battery tension signal a, hydrogen storage tank pressure signal f and oxygen storage tank pressure signal g, at storage battery 1 voltage higher than 12 volts, and hydrogen, oxygen tank pressure lower than 3bar time, electronic control unit 17 sends control signal b connection oxyhydrogen machine switch relay 2 processed makes oxyhydrogen machine 3 processed start hydrogen, oxygen, and obtained hydrogen and oxygen enter in hydrogen storage tank 5 and oxygen storage tank 7 respectively by pipeline.When battery tension lower than any one pressure in 12 volts or hydrogen, oxygen storage tank pressure higher than 3bar time, electronic control unit 17 sends control signal b, disconnects oxyhydrogen machine switch relay 2 processed and makes oxyhydrogen machine 3 processed out of service.Due in the pipeline that is connected with oxyhydrogen machine processed at hydrogen and oxygen storage tank, hydrogen supply line check valve 4 and ventilation channel one-way valve 6 have been installed respectively, thus obtained and be stored in hydrogen in hydrogen and oxygen storage tank, oxygen can not flow back to oxyhydrogen machine 3 processed.
(2) air feed process: a kind of vehicle-mounted hydrogen-oxygen is produced, store, supply system can provide pure hydrogen and hydrogen and oxygen mixture two kinds of blowing models, with motor under satisfied different operating mode to the supply requirement of hydrogen, oxygen.
1) when supplying pure hydrogen, electronic control unit 17 sends control signal c and opens hydrogen supplying tube way solenoid valve 13, and send control signal d closedown ventilation channel linear solenoid valve 10, make hydrogen enter engine hydrogen rail by hydrogen supply pipeline 14 and hydrogen feed pipe roadlock combustion valve 16.Simultaneously, electronic control unit 17 is according to the oxygen storage tank pressure signal f detected and hydrogen storage tank pressure signal g, when oxygen storage tank pressure and hydrogen storage pressure tank unequal time, electronic control unit send control signal e open oxygen storage tank single-way gas-discharge valve 8 make partial oxidation discharge enter operator cabin, with ensure hydrogen, oxygen tank pressure keep equal.
2) when supplying hydrogen and oxygen mixture, electronic control unit 17 sends control signal c and opens hydrogen supplying tube way solenoid valve 13, makes hydrogen enter engine hydrogen rail by hydrogen supply pipeline 14 and hydrogen supplying tube roadlock combustion valve 16.Simultaneously, electronic control unit 17 sends control signal d and opens ventilation channel linear solenoid valve 10, and according to the aperture of the hydrogen detected, oxygen storage tank pressure adjusting ventilation channel linear solenoid valve 10, keep the pressure balance in hydrogen and oxygen storage tank, make oxygen enter into engine intake manifold by ventilation channel 11 and the fire-retardant valve 15 of ventilation channel, realize oxygen-enriched combusting with the oxygen concentration improved in engine charge.
More than show and describe basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. a low emission environmental protection vehicle-mounted hydrogen production device, it is characterized in that: this device comprises: motor storage battery, oxyhydrogen machine processed, oxyhydrogen machine switch relay processed, hydrogen and oxygen stocking system and electronic control unit, described electronic control unit is connected with storage battery, storage battery is connected to oxyhydrogen machine processed by oxyhydrogen machine switch relay processed, oxyhydrogen machine processed is connected with hydrogen and oxygen stocking system; Described electronic control unit is connected with hydrogen supplying tube way solenoid valve with oxygen storage tank pressure transducer, hydrogen gas storage tank pressure transducer, oxygen tank single-way gas-discharge valve, oxygen pipeline solenoid valve;
Described hydrogen and oxygen stocking system comprise the hydrogen storage tank and oxygen storage tank that are connected with oxyhydrogen machine processed, be connected to the hydrogen supply pipeline Unidirectional solenoid valve on the connecting pipeline between oxyhydrogen machine processed and hydrogen storage tank, be connected to the ventilation channel Unidirectional solenoid valve on the connecting pipeline between oxyhydrogen machine processed and oxygen storage tank, be arranged on oxygen tank single-way gas-discharge valve and the oxygen storage tank pressure transducer on oxygen gas holder top, be arranged on the hydrogen storage tank pressure transducer above hydrogen gas holder, the ventilation channel be connected with oxygen storage tank, the hydrogen supply pipeline be connected with hydrogen storage tank, be connected to the oxygen pipeline linear solenoid valve on ventilation channel and oxygen feeding pipe roadlock combustion valve, and the hydrogen supplying tube way solenoid valve be connected on hydrogen supply pipeline and hydrogen feed pipe roadlock combustion valve.
2. a kind of low emission environmental protection vehicle-mounted hydrogen production device according to claim 1, it is characterized in that: described hydrogen storage tank and oxygen storage tank are arranged on car body by vehicle-mounted tank body fixed base, described vehicle-mounted tank body fixed base comprises pedestal, scaffold, card article, described pedestal is set to open semi round column structure, pedestal right-hand member is higher than pedestal left end, and pedestal right-hand member is provided with mounting plate; Described scaffold is set to L shape structure, and scaffold is connected with pedestal two ends, and described pedestal, scaffold, mounting plate are provided with mounting hole, and described pedestal left end is vertically installed with iron prop; Described card article is set to semi-circle structure, and card article one end is connected with iron prop, and the card article the other end is connected in pedestal right-hand member.
3. application rights requires the method for device described in 1, it is characterized in that comprising the following steps:
(1) hydrogen manufacturing and storage hydrogen process: first electronic control unit detects battery tension signal a, hydrogen storage tank pressure signal f and oxygen storage tank pressure signal g, at battery tension higher than ten second of the three ten-day periods of the hot seasons, and hydrogen, oxygen tank pressure lower than 3bar time, electronic control unit sends control signal b connection oxyhydrogen machine switch relay processed makes oxyhydrogen machine processed start hydrogen, oxygen, and obtained hydrogen and oxygen enter in hydrogen storage tank and oxygen storage tank respectively by pipeline; When battery tension lower than any one pressure in ten second of the three ten-day periods of the hot seasons or hydrogen, oxygen storage tank pressure higher than 3bar time, electronic control unit sends control signal b, disconnects oxyhydrogen machine switch relay processed and makes oxyhydrogen machine processed out of service; Due in the pipeline that is connected with oxyhydrogen machine processed at hydrogen and oxygen storage tank, hydrogen supply line check valve and ventilation channel one-way valve have been installed respectively, thus obtained and be stored in hydrogen in hydrogen and oxygen storage tank, oxygen can not flow back to oxyhydrogen machine processed;
(2) air feed process: provide pure hydrogen and hydrogen and oxygen mixture two kinds of blowing models, with motor under satisfied different operating mode to the supply requirement of hydrogen, oxygen;
1) when supplying pure hydrogen, electronic control unit sends control signal c and opens hydrogen supplying tube way solenoid valve, and sends control signal d closedown ventilation channel linear solenoid valve, makes hydrogen enter engine hydrogen rail by hydrogen supply pipeline and hydrogen feed pipe roadlock combustion valve; Simultaneously, electronic control unit is according to the oxygen storage tank pressure signal f detected and hydrogen storage tank pressure signal g, when oxygen storage tank pressure and hydrogen storage pressure tank unequal time, electronic control unit send control signal e open oxygen storage tank single-way gas-discharge valve make partial oxidation discharge enter operator cabin, with ensure hydrogen, oxygen tank pressure keep equal;
2) when supplying hydrogen and oxygen mixture, electronic control unit sends control signal c and opens hydrogen supplying tube way solenoid valve, hydrogen is made to enter engine hydrogen rail by hydrogen supply pipeline and hydrogen supplying tube roadlock combustion valve, simultaneously, electronic control unit sends control signal d and opens ventilation channel linear solenoid valve, and according to the hydrogen detected, the aperture of oxygen storage tank pressure adjusting ventilation channel linear solenoid valve, keep oxygen storage tank pressure equal with hydrogen storage pressure tank, oxygen is made to enter into engine intake manifold by ventilation channel and the fire-retardant valve of ventilation channel, realize oxygen-enriched combusting with the oxygen concentration improved in engine charge.
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| CN107190277A (en) * | 2017-06-23 | 2017-09-22 | 北京工业大学 | A kind of plug-in vehicle-mounted hydrogen production machine |
| CN108754527A (en) * | 2018-05-25 | 2018-11-06 | 北京工业大学 | A kind of defroster and control method for Vehicular hydrogen generator |
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| CN104791150B (en) | 2017-07-07 |
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