CN212667106U - Fuel oil and fuel cell hybrid power system and automobile using same - Google Patents
Fuel oil and fuel cell hybrid power system and automobile using same Download PDFInfo
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- CN212667106U CN212667106U CN202021666735.5U CN202021666735U CN212667106U CN 212667106 U CN212667106 U CN 212667106U CN 202021666735 U CN202021666735 U CN 202021666735U CN 212667106 U CN212667106 U CN 212667106U
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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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- 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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Abstract
The utility model relates to a fuel and fuel cell hybrid power system and use car of this system, fuel and fuel cell hybrid power system include each subassembly that connects gradually below: the fuel power assembly, the hydrogen production assembly, the fuel cell assembly, the power cell assembly and the electric energy power assembly; the electric energy power assembly is also directly connected with the fuel cell assembly. The utility model discloses a hybrid power system, fuel and fuel cell that can the rational utilization energy couple fuel engine's high temperature tail gas and methanol-water fuel vaporization process in an organic whole, have solved under the long-time shutdown state methanol-water reforming hydrogen manufacturing-hydrogen fuel cell new energy automobile's reforming chamber heating and heat preservation problem, realize opening the function of walking promptly.
Description
Technical Field
The utility model relates to a driving system field of car especially relates to a fuel and fuel cell hybrid power system and use car of this system.
Background
Only with the advantage of compaction on energy density, new energy can subvert huge infrastructure and industrial systems built by traditional energy over centuries. The hydrogen is an energy carrier with the highest heat value in common fuels, and the heat value of the hydrogen is 142kJ/g, 3 times that of gasoline and 5 times that of coal. This means that the energy density of hydrogen is the largest at the same quality of energy produced by hydrogen, coal and oil, a characteristic that is one of the important factors for achieving green, sustainable development of automobiles.
The hydrogen fuel cell automobile is called as an ultimate environment-friendly automobile, the emission of the hydrogen fuel cell automobile is water, the problem of air pollution generated in the use process of the automobile can be effectively solved, the hydrogen fuel cell automobile is used as a renewable resource, the hydrogen storage capacity is rich, and the problem of energy source scarcity can be solved.
The conventional fuel cell vehicle uses a 70MPa hydrogen storage tank to provide a hydrogen source, and the high-pressure hydrogen storage safety is one of the reasons for the difficulty in expanding the hydrogen fuel cell vehicle. Compared with coal hydrogen production and natural gas hydrogen production, the hydrogen production by methanol water reforming has the advantages of low reaction temperature, easy storage of fuel and the like, and has wide application prospect in the real-time hydrogen production and power generation of automobiles. The hydrogen production by methanol water reforming belongs to strong endothermic reaction, the reaction temperature is between 220 and 400 ℃, the hydrogen is required to be input into a fuel cell for power generation when a vehicle runs, but a reactor needs to be maintained in a reaction temperature range in the hydrogen production process, and when the vehicle is in a long-time stop state, such as: the vehicle is parked overnight, the interval between work and leaving work is more than 10 hours, and under the condition that the vehicle is not used during the vacation period, the temperature of a reactor in the vehicle is reduced to the normal temperature, so that hydrogen cannot be supplied to the fuel cell for power generation. Conventional heating methods can be electrical heating and burning methyl alcohol or methanol-water, and electrical heating time is longer, continuously consumes the electric quantity of battery, if the battery does not have the electricity, the vehicle will unable the operation, and burning fuel heating needs wait for a certain time, can't accomplish to open promptly and walk, and in closed occasion like the heating of a large amount of fuel in underground parking garage easily leads to the oxygen deficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the prior art, providing a can accomplish to open promptly and walk, the fuel and the fuel cell hybrid power system of the rational utilization energy, and use the car of this system.
The utility model adopts the technical proposal that: the fuel oil and fuel cell hybrid power system is characterized by comprising the following components which are connected in sequence:
the fuel power assembly utilizes gasoline to burn in the fuel engine to do work to generate power for the automobile to run;
the hydrogen production assembly is used for reforming and catalytically converting methanol water into hydrogen;
a fuel cell assembly for generating electrical energy by an electrochemical reaction using hydrogen;
the power battery assembly is used for storing all or part of electric energy generated by the fuel battery assembly and supplying power to driving electric equipment of the vehicle by using the stored electric energy;
the electric energy power assembly generates power by using electric energy to drive the automobile; the electric energy power assembly is also directly connected with the fuel cell assembly.
Preferably, the hydrogen production assembly comprises a methanol-water fuel tank, a pump, a first vaporizer, a second vaporizer, a reforming chamber, a purifier, a heat exchanger, a first combustion chamber and a second combustion chamber; the fuel power assembly is connected with the first vaporizer, the methanol-water fuel tank is connected with the pump, a first outlet of the pump is sequentially connected with the first vaporizer and the first combustion chamber, a second outlet of the pump is sequentially connected with a refrigerant inlet of the heat exchanger, the second vaporizer, the reforming chamber and the purifier, and a pure hydrogen outlet of the purifier is sequentially connected with a heat medium inlet of the heat exchanger and the fuel cell assembly; the purge gas outlet of the purifier is connected with the second combustion chamber.
Preferably, the reforming chamber is in heat transfer connection with the first combustion chamber and the second combustion chamber.
Preferably, a first electromagnetic valve is arranged between the first outlet of the pump and the first vaporizer.
Preferably, a second electromagnetic valve is arranged between the second outlet of the pump and the refrigerant inlet of the heat exchanger.
Preferably, the heat exchanger is provided with a pure hydrogen outlet, and the pure hydrogen outlet is connected with the fuel cell assembly.
A use method based on the hybrid power system comprises the following steps:
step one, when an automobile is started, fuel is input into a fuel power assembly to provide power for the automobile, and simultaneously, generated high-temperature tail gas passes through a first vaporizer; at the moment, the second electromagnetic valve is closed, the first electromagnetic valve is opened, the pump operates to input the methanol-water fuel of the methanol-water fuel tank into the first vaporizer, the vaporized methanol-water is input into the first combustion chamber, and the vaporized methanol-water is combusted in the first combustion chamber to generate heat to heat the reforming chamber in a normal temperature state;
step one, when the reforming chamber is heated to the reaction temperature, closing a first electromagnetic valve, opening a second electromagnetic valve, enabling methanol water to enter a second vaporizer, vaporizing the methanol water into a gaseous state by utilizing heat of the reforming chamber, enabling the gaseous state to enter the reforming chamber and converting the gaseous state into a mixed gas, enabling the mixed gas to enter a purifier, separating a part of hydrogen, enabling the hydrogen to enter a heat exchanger through a pure hydrogen outlet and reducing the temperature to the room temperature, enabling the hydrogen to enter a fuel cell to generate electric energy, and enabling the other part of the mixed gas which is not separated to enter a second combustion chamber to combust so as to provide heat for the;
and step three, storing the electric energy generated by the fuel cell assembly into the power cell assembly, and turning off the fuel power assembly and turning on the electric energy power assembly after the electric quantity of the power cell assembly reaches a certain value.
And step four, when the vehicle runs, selecting the fuel power assembly, the fuel power assembly and the power battery assembly according to different running speeds to simultaneously supply power to the vehicle.
Preferably, the specific operation of step four is as follows:
(1) when the power battery assembly is in a full-power state, the hydrogen production assembly and the fuel battery assembly are turned off and completely powered by the power battery assembly, and when the electric quantity of the power battery assembly is lower than a certain value, the hydrogen production assembly and the fuel battery assembly are turned on to charge the power battery assembly and power the vehicle;
(2) when the vehicle runs at a medium speed, the electric energy generated by the fuel cell assembly completely supplies energy to the vehicle;
(3) and when the vehicle runs at a high speed, the fuel cell assembly and the power cell assembly simultaneously supply energy to the vehicle.
An automobile comprises a driving wheel, a driving axle connected with the driving wheel and a hybrid power system, wherein the power of the hybrid power system is output to the driving axle, and the driving axle drives the driving wheel.
Compared with the prior art, the utility model has the following advantage:
(1) the high-temperature tail gas of the fuel engine and the vaporization process of the methanol water fuel are coupled into a whole, the heating and heat preservation problems of the reforming chamber of the hydrogen production-hydrogen fuel cell new energy automobile by reforming the methanol water under the long-time shutdown state are solved, the automobile can be used immediately after being started, the long-time heating of the reforming chamber to reach the reaction temperature is not needed, and the electric energy is not needed to be continuously provided for heat preservation of the reforming chamber after the automobile runs.
(2) The methanol source is extensive, and the low price itself is the oxygen-containing compound burning abundant, and the pollutant such as carbon particle, sulphur wastes material, NOx after the burning, the utility model discloses two kinds of driving system's of make full use of advantage only uses the fuel as the fuel at the initial stage that the vehicle began to operate, and the fuel in later stage uses methanol-water, practices thrift the cost, environmental protection.
(3) Under the condition of no methanol water filling station, the vehicle can operate by using fuel alone, and the problem of difficult methanol water filling at present is solved.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of the present invention.
Fig. 2 is a schematic view of a driving principle of the automobile according to the present invention.
The numbers in the figures indicate:
the fuel oil power assembly 1, the hydrogen production assembly 2, the methanol-water fuel tank 201, the pump 202, the first electromagnetic valve 203, the second electromagnetic valve 204, the first vaporizer 205, the second vaporizer 206, the heat exchanger 207, the reforming chamber 208, the purifier 209, the first combustion chamber 210, the second combustion chamber 211, the fuel cell assembly 3, the power cell assembly 4, the electric power assembly 5, the driving wheel 6 and the driving axle 7.
The specific implementation mode is as follows:
in order to enhance the understanding of the present invention, the following detailed description will be made in conjunction with the embodiments and the accompanying drawings. The utility model discloses the accessible is implemented as follows:
referring to fig. 1, a fuel and fuel cell hybrid power system includes:
the fuel power assembly 1 utilizes gasoline to burn in a fuel engine to do work to generate power for the automobile to run;
the hydrogen production assembly 2 is used for reforming and catalytically converting methanol water into hydrogen;
a fuel cell assembly 3 for performing an electrochemical reaction using hydrogen to generate electric energy;
the power battery assembly 4 is used for storing all or part of the electric energy generated by the fuel battery assembly 3 and supplying power to the driving electric equipment of the vehicle by using the stored electric energy;
the electric energy power assembly 5 is used for generating power by utilizing electric energy to drive the automobile;
the hydrogen-producing assembly 2 includes: a methanol-water fuel tank 201, a pump 202, a first electromagnetic valve 203, a second electromagnetic valve 204, a first vaporizer 205, a second vaporizer 206, a heat exchanger 207, a reforming chamber 208, a purifier 209, a first combustion chamber 210, and a second combustion chamber 211;
the fuel oil power assembly 1 is connected with a first vaporizer 205, a methanol water fuel tank 201 is connected with a pump 202, a first outlet of the pump 202 is sequentially connected with a first electromagnetic valve 203, the first vaporizer 205 and a first combustion chamber 210, a second outlet of the pump 202 is sequentially connected with a second electromagnetic valve 204, a refrigerant inlet of a heat exchanger 207, a second vaporizer 206, a reforming chamber 208 and a purifier 209, a pure hydrogen outlet of the purifier 209 is sequentially connected with a heat medium inlet of the heat exchanger 207 and the fuel cell assembly 3, a purge gas outlet of the purifier 209 is connected with a second combustion chamber 211, and the fuel cell assembly 3 is sequentially connected with the power cell assembly 4 and the electric power assembly 5 and is directly connected with the electric power assembly 5.
When the automobile is started, fuel oil is input into the fuel oil power assembly 1 to perform combustion work to provide power for the automobile to generate high-temperature tail gas, the high-temperature tail gas passes through the first vaporizer 205, the second electromagnetic valve 204 is closed at the moment, the first electromagnetic valve 203 is opened, the pump 202 operates to input methanol-water fuel into the first vaporizer 205, methanol water is vaporized into gas state under the heating of the high-temperature tail gas and is input into the first combustion chamber 210, the gas state is heated in the reforming chamber 208 at normal temperature by the heat generated by the combustion of the first combustion chamber 210, the high-temperature tail gas is reduced to low temperature through the heat absorption of the methanol-water and is discharged out of the automobile, when the reforming chamber 208 is raised to reaction temperature, the first electromagnetic valve 203 is closed, the second electromagnetic valve 204 is opened, the methanol-water enters the second vaporizer 206, the methanol-water is vaporized into gas state by2CO and the like, the mixed gas enters a purifier 209, a part of hydrogen is separated and enters a heat exchanger 207 through a pure hydrogen outlet to be cooled to room temperature, and enters a fuel cell to generate electric energy, and the other part of hydrogen and CO which are not separated enter a fuel cell2And CO and other gases enter the second combustion chamber 211 to be combusted, heat is provided for the methanol-water reforming reaction, the electric energy generated by the fuel cell is stored into the power cell assembly 4, and when the electric quantity of the power cell assembly 4 reaches a certain value, the fuel power assembly 1 is closed, and the electric energy power assembly 5 is opened.
The vehicle operating state can be divided into three types: (1) when the vehicle runs at a low speed, part of electric energy generated by the fuel cell is supplied to the vehicle to run, and part of the electric energy is stored in the power cell assembly 4, when the power cell assembly 4 is in a full-power state, the hydrogen production assembly 2 and the fuel cell assembly 3 are closed, and the power cell assembly 4 supplies power completely, and when the electric quantity of the power cell assembly 4 is lower than a certain value, the hydrogen production assembly 2 and the fuel cell assembly 3 are opened to charge the power cell assembly 4 and supply power to the vehicle; (2) when the vehicle runs at a medium speed, the electric energy generated by the fuel cell component 3 completely supplies energy to the vehicle; (3) at high speed operation, the fuel cell assembly 3 and the power cell assembly 4 simultaneously power the vehicle.
An automobile, referring to fig. 2, comprises a driving wheel 6, a driving axle 7 connected with the driving wheel 6, and the hybrid power system, wherein the power of the hybrid power system is output to the driving axle 7, and the driving wheel 6 is driven by the driving axle 7.
Finally, it should be noted that: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The fuel oil and fuel cell hybrid power system is characterized by comprising the following components which are connected in sequence:
the fuel power assembly (1) utilizes gasoline to burn in a fuel engine to do work to generate power for the automobile to run;
the hydrogen production assembly (2) is used for reforming and catalytically converting methanol water into hydrogen;
a fuel cell assembly (3) for generating electrical energy by means of an electrochemical reaction with hydrogen;
the power battery assembly (4) is used for storing all or part of electric energy generated by the fuel battery assembly (3) and supplying power to driving electric equipment of the vehicle by using the stored electric energy;
the electric energy power assembly (5) generates power by utilizing electric energy to drive the automobile; the electric energy power assembly (5) is also directly connected with the fuel cell assembly (3).
2. A fuel and fuel cell hybrid power system as claimed in claim 1, wherein said hydrogen generation assembly (2) comprises a methanol-water fuel tank (201), a pump (202), a first vaporizer (205), a second vaporizer (206), a reformer chamber (208), a purifier (209), a heat exchanger (207), a first combustion chamber (210), and a second combustion chamber (211); the fuel oil power assembly (1) is connected with a first vaporizer (205), a methanol-water fuel tank (201) is connected with a pump (202), a first outlet of the pump (202) is sequentially connected with the first vaporizer (205) and a first combustion chamber (210), a second outlet of the pump (202) is sequentially connected with a refrigerant inlet of a heat exchanger (207), a second vaporizer (206), a reforming chamber (208) and a purifier (209), and a pure hydrogen outlet of the purifier (209) is sequentially connected with a heat medium inlet of the heat exchanger (207) and the fuel cell assembly (3); the purge gas outlet of the purifier (209) is connected to the second combustion chamber (211).
3. A fuel and fuel cell hybrid power system as claimed in claim 2, wherein said reformer chamber (208) is in heat transfer communication with said first combustor chamber (210) and said second combustor chamber (211).
4. A fuel and fuel cell hybrid power system according to claim 3, wherein a first solenoid valve (203) is provided between the first outlet of said pump (202) and said first vaporizer (205).
5. A fuel and fuel cell hybrid power system as claimed in claim 3, wherein a second solenoid valve (204) is provided between the second outlet of the pump (202) and the refrigerant inlet of the heat exchanger (207).
6. A fuel and fuel cell hybrid power system according to claim 3, 4 or 5, wherein said heat exchanger (207) is provided with a pure hydrogen outlet, said pure hydrogen outlet being connected to said fuel cell assembly (3).
7. A motor vehicle comprising a drive wheel (6) and a drive axle (7) connected to said drive wheel (6), characterized by further comprising a hybrid system according to any one of claims 1-5, the power of said hybrid system being output to said drive axle (7) and said drive wheel (6) being driven by said drive axle (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021666735.5U CN212667106U (en) | 2020-08-11 | 2020-08-11 | Fuel oil and fuel cell hybrid power system and automobile using same |
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| CN202021666735.5U CN212667106U (en) | 2020-08-11 | 2020-08-11 | Fuel oil and fuel cell hybrid power system and automobile using same |
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| CN212667106U true CN212667106U (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942137A (en) * | 2020-08-11 | 2020-11-17 | 广东能创科技有限公司 | Hybrid power system for automobile, using method thereof and automobile using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942137A (en) * | 2020-08-11 | 2020-11-17 | 广东能创科技有限公司 | Hybrid power system for automobile, using method thereof and automobile using same |
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| GR01 | Patent grant | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Gao Jiming Inventor after: Jiang Biao Inventor after: Wang Xiaopeng Inventor after: Shen Zhijie Inventor before: Gao Jiming Inventor before: Deng Weilin Inventor before: Jiang Biao Inventor before: Wang Xiaopeng Inventor before: Shen Zhijie |