CN114407950A - Hydrogen internal combustion power vehicle and method based on high-pressure hydrogen expansion work and waste heat utilization - Google Patents
Hydrogen internal combustion power vehicle and method based on high-pressure hydrogen expansion work and waste heat utilization Download PDFInfo
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- CN114407950A CN114407950A CN202210048133.0A CN202210048133A CN114407950A CN 114407950 A CN114407950 A CN 114407950A CN 202210048133 A CN202210048133 A CN 202210048133A CN 114407950 A CN114407950 A CN 114407950A
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- pressure hydrogen
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 239000001257 hydrogen Substances 0.000 title claims abstract description 158
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 158
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 75
- 239000002918 waste heat Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000005057 refrigeration Methods 0.000 claims description 35
- 238000010248 power generation Methods 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 150000002431 hydrogen Chemical class 0.000 abstract description 6
- 239000003570 air Substances 0.000 description 33
- 239000000446 fuel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C5/00—Locomotives or motor railcars with IC engines or gas turbines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a hydrogen internal combustion power vehicle and a method based on high-pressure hydrogen expansion work and waste heat utilization, aiming at solving the problem of energy consumption of an air conditioner of the hydrogen internal combustion power vehicle. The invention applies the cold energy generated by the refrigerating system in the vehicle hydrogen power system to the air-conditioning refrigerating system of the vehicle on the one hand, and applies the heat generated by the hydrogen internal combustion engine in the vehicle hydrogen power system to the air-conditioning heating system of the vehicle on the other hand, thereby fully utilizing the waste heat of the internal combustion engine and the expansion work of the high-pressure hydrogen, greatly reducing the energy consumption of the air conditioner in the vehicle and improving the comprehensive energy utilization rate of the vehicle.
Description
Technical Field
The invention relates to a hydrogen internal combustion power vehicle, in particular to a hydrogen internal combustion power vehicle based on high-pressure hydrogen expansion work and waste heat utilization.
Background
The application of hydrogen energy in vehicles as a clean secondary energy source is widely concerned, but when hydrogen is used as fuel to drive internal combustion vehicles, much redundant energy is generated, how to reasonably utilize the redundant energy and further reduce the energy consumption of the vehicles is achieved, and no better solution is provided at present. High pressure gaseous hydrogen storage is currently the most common form of hydrogen storage. Before entering the hydrogen utilization equipment, the high-pressure hydrogen stored in the high-pressure tank needs to be decompressed to the hydrogen supply pressure required by the hydrogen utilization equipment, and the expansion work and cold energy generated by volume expansion in the hydrogen decompression process are not reasonably utilized at present.
A hydrogen energy automobile power system for purifying ambient air is disclosed in patent CN 106837529B, but it mainly proposes how to utilize tail gas of hydrogen energy automobile, reduce pollution, purify air, and does not pay attention to utilization of energy inside the automobile power system.
Disclosure of Invention
The invention aims to provide a hydrogen internal combustion power vehicle based on high-pressure hydrogen expansion work and waste heat utilization, which uses hydrogen as fuel to drive the internal combustion vehicle, fully utilizes waste heat of an internal combustion engine and a brake resistor and the high-pressure hydrogen expansion work, provides required heat or cold for an air conditioning system, reduces the energy consumption of a train air conditioner, and realizes clean and efficient operation of the internal combustion power vehicle.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a hydrogen internal combustion power vehicle based on high-pressure hydrogen expansion work and waste heat utilization, including a high-pressure hydrogen storage system, a high-pressure hydrogen refrigeration system, a hydrogen internal combustion power generation system and a traction power system, where the cold energy generated by the high-pressure hydrogen refrigeration system is delivered to a vehicle air-conditioning refrigeration system for refrigeration, and the heat of the tail gas generated by the hydrogen internal combustion power generation system is delivered to an air-conditioning heating system for heating.
The hydrogen internal combustion power generation system supplies power to the power battery when the vehicle is braked, the brake resistor absorbs redundant energy, and heat generated by the brake resistor is supplied to the air-conditioning heating system.
As a further technical scheme, the refrigeration system comprises at least one group of expander and heat exchanger, the high-pressure hydrogen storage system is connected with the expander, and the expander is connected with the heat exchanger. The high-pressure hydrogen expands and reduces pressure when passing through the expander, and outputs mechanical work to the outside. The expander is connected with a generator which converts the work of gas expansion into electric energy and charges the power battery when needed. The heat exchanger is integrated in the air-conditioning system, and the cold energy generated in the expansion and decompression process of the high-pressure hydrogen is input to the refrigerating system of the vehicle air conditioner to provide the cold energy for the vehicle air-conditioning system.
As a further technical scheme, the hydrogen internal combustion power generation system comprises a hydrogen-burning internal combustion engine and a power generator; the hydrogen decompressed by the refrigerating system enters a hydrogen internal combustion engine for combustion, chemical energy is converted into mechanical energy, and the mechanical energy is converted into electric energy by a generator; the high-temperature waste gas generated by the hydrogen-burning internal combustion engine is supplied to an air-conditioning heating system through a heat exchanger. The heat exchanger is integrated inside the air conditioning system.
In a second aspect, an embodiment of the present invention further provides a cooling and heating control method for a hydrogen internal combustion powered vehicle based on high-pressure hydrogen expansion work and waste heat utilization, including:
in the refrigeration mode, the air conditioning system inputs refrigeration capacity preferentially from the high-pressure hydrogen refrigeration system, the blower sucks external high-temperature air into the cold-end heat exchanger, the high-temperature air exchanges heat with low-temperature hydrogen in the cold-end heat exchanger, and finally low-temperature air is output to refrigerate the carriage; if the cooling capacity provided by the high-pressure hydrogen cannot meet the refrigeration requirement, the air-conditioning refrigeration system is started to provide additional cooling capacity;
in the heating mode, the air conditioning system preferentially inputs waste heat generated by the hydrogen internal combustion power generation system, the blower sucks external low-temperature air into the hot end heat exchanger, the low-temperature air exchanges heat with the waste heat in the hot end heat exchanger, and finally high-temperature air is output to heat a carriage; if the heat provided by the waste heat can not meet the heating requirement, the air conditioner heater is started to provide additional heat.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
1. the invention applies the cold energy generated by the refrigerating system in the vehicle hydrogen power system to the air-conditioning refrigerating system of the vehicle on the one hand, and applies the heat generated by the hydrogen internal combustion engine in the vehicle hydrogen power system to the air-conditioning heating system of the vehicle on the other hand, thereby fully utilizing the internal combustion engine and the high-pressure hydrogen expansion work, greatly reducing the air-conditioning energy consumption in the vehicle and improving the comprehensive energy utilization rate of the vehicle.
2. The invention also fully utilizes the heat generated by the brake resistor when the vehicle is braked, and connects the heat generated by the brake resistor with the air-conditioning heating system, thereby greatly reducing the energy consumption of the air conditioner in the vehicle and improving the comprehensive energy utilization rate of the vehicle.
3. The invention utilizes the expansion work of the high-pressure hydrogen and the braking energy to recover and supplement the charge for the power battery, maintains the electric quantity of the power battery in a reasonable SOC range, and is beneficial to prolonging the service life of the power battery.
4. The invention fully combines the existing vehicle air-conditioning refrigeration system and heating system under the condition of fully utilizing waste heat of the internal combustion engine and the brake resistor and the expansion work of the high-pressure hydrogen, in particular, under the air-conditioning refrigeration mode, the air-conditioning system preferentially inputs cold energy from the high-pressure hydrogen refrigeration system, the blower sucks external high-temperature air into the cold end heat exchanger, the high-temperature air exchanges heat with low-temperature hydrogen in the cold end heat exchanger, and finally outputs low-temperature air to refrigerate a carriage. If the cold quantity provided by the high-pressure hydrogen cannot meet the refrigeration requirement, the air-conditioning refrigeration system is started to provide extra cold quantity. In the air-conditioning heating mode, the air-conditioning system preferentially inputs waste heat of the internal combustion engine and the brake resistor, the air blower sucks external low-temperature air into the hot end heat exchanger, the low-temperature air exchanges heat with high-temperature waste gas or cooling medium of the internal combustion engine/the brake resistor in the hot end heat exchanger, and finally high-temperature air is output to heat a carriage. If the heat provided by the waste heat can not meet the heating requirement, the air conditioner heater is started to provide additional heat.
5. The power system described in the invention uses the hydrogen internal combustion engine as a power source to drive the vehicle to run, and the hydrogen internal combustion engine has the advantages of high power per liter, long service life, good low-temperature starting performance, low fuel quality requirement and the like, and can meet the requirements of the hydrogen energy rail vehicle on high power level, long endurance and high safety.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of a vehicle hydrogen storage and power system arrangement disclosed in the present invention;
FIG. 2 is a hydrogen internal combustion power system topology utilizing high pressure hydrogen refrigeration as disclosed in the present invention;
FIG. 3 is an arrangement and schematic diagram of a vehicle air conditioning system cooling and heating system disclosed in the present invention;
fig. 4 is a control flow diagram of a cooling and heating system of a vehicle air conditioning system disclosed in the present invention.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
the term "high pressure" in the present embodiment means that the storage pressure of hydrogen gas is 35 or 70 MPa.
As described in the background, hydrogen energy has received much attention as a clean secondary energy source for use in rail vehicles, however, when hydrogen is used as fuel to drive an internal combustion vehicle, a lot of redundant energy is generated, how to reasonably utilize the energy and reduce the energy consumption of the rail vehicle is not a good solution at present, in order to solve the technical problems, the invention provides a hydrogen internal combustion power vehicle based on high-pressure hydrogen expansion work and waste heat utilization and a control method thereof, wherein the hydrogen internal combustion power vehicle based on the high-pressure hydrogen expansion work and waste heat utilization comprises a high-pressure hydrogen storage system, a high-pressure hydrogen refrigerating system, a hydrogen internal combustion power generation system and a traction power system, the cold energy generated by the high-pressure hydrogen refrigerating system is transmitted to a vehicle air-conditioning refrigerating system for refrigeration, and the heat of the tail gas generated by the hydrogen internal combustion power generation system is transmitted to an air-conditioning heating system for heating.
In a typical embodiment of the present invention, as shown in fig. 1 and fig. 2, the hydrogen internal combustion power vehicle based on high-pressure hydrogen expansion work and waste heat utilization disclosed in the present embodiment includes a high-pressure hydrogen storage system, a high-pressure hydrogen refrigeration system, a hydrogen internal combustion power generation system, a traction power system, and the like; wherein the high-pressure hydrogen storage system is arranged in a centralized way, and the refrigeration system, the hydrogen internal combustion power generation system, the traction power system and the like are arranged at the corresponding positions of the vehicle in a scattered way; the high-pressure hydrogen gas output by the high-pressure hydrogen supply system flows through the refrigeration system to be decompressed and flows into the hydrogen internal combustion power generation system to generate power, and then the hydrogen internal combustion power generation system provides the generated power to a traction power system or other auxiliary loads. Only the traction power system is shown in fig. 1 without other auxiliary loads, and the refrigeration system includes N, the hydrogen internal combustion engine power generation system includes N, and the traction power system includes N, where N is a natural number, in fig. 1.
Further, the high-pressure hydrogen supply system in this embodiment may be composed of a plurality of high-pressure hydrogen storage tanks, the plurality of high-pressure hydrogen storage tanks are configured to store high-pressure hydrogen, and the high-pressure hydrogen flows through the refrigeration system to be decompressed and then is supplied to the hydrogen internal combustion power generation system, as shown in fig. 2, in the process, the high-pressure hydrogen in the high-pressure hydrogen supply system flows into the expander to be adiabatically expanded in the expander, while the pressure of the hydrogen is reduced, the gas temperature is reduced and acts outwards, then the low-temperature hydrogen flows into the heat exchanger to exchange heat with the heat exchange medium, and the cold energy generated in the heat exchange process is input to the air conditioning system of the vehicle to provide the cold energy to the air conditioning system of the vehicle; the hydrogen internal combustion power generation system consists of a hydrogen combustion internal combustion engine (or a hydrogen engine or a hydrogen gas turbine) and a power generator, is supplied by a high-pressure hydrogen supply system, and decompressed hydrogen is combusted in the hydrogen combustion internal combustion engine (or the hydrogen engine or the hydrogen gas turbine) to convert chemical energy into mechanical energy, and the mechanical energy is converted into electric energy by the power generator to supply power to a vehicle traction system, a power battery and the like, and the heat of tail gas generated by the hydrogen combustion internal combustion engine (or the hydrogen engine or the hydrogen gas turbine) is supplied to an air conditioner for heating.
Furthermore, in order to realize the control of the output of hydrogen from the multiple high-pressure hydrogen storage tanks, the multiple high-pressure hydrogen storage tanks are provided with combination valves, an inlet and an outlet of each combination valve are connected to a respective high-pressure pipeline, each high-pressure pipeline is provided with an overflow valve, the multiple high-pressure pipelines are connected to an output pipeline after being converged, and the output pipeline is provided with a control valve and an output gas joint.
Furthermore, the refrigeration system in this embodiment may be composed of one or more sets of expanders and heat exchangers, and realizes hydrogen pressure reduction, external work and cold output. When the hydrogen is a group, high-pressure hydrogen in the high-pressure hydrogen supply system flows into the expander to perform adiabatic expansion in the expander, the gas temperature is reduced and does work outwards while the hydrogen pressure is reduced, then low-temperature hydrogen flows into the heat exchanger to perform heat exchange with a heat exchange medium, and cold energy generated in the heat exchange process is input into an air conditioning system of a vehicle to provide cold energy for the air conditioning system of the vehicle. When the hydrogen is in multiple groups, the high-pressure hydrogen sequentially passes through the expansion machines and the heat exchange modules, the pressure of the hydrogen is reduced to the pressure required by the air inlet of the hydrogen internal combustion power generation system, and cold energy and work are output outwards. The specific processes of the high-pressure hydrogen for outputting cold quantity and doing work are as follows:
the high-pressure hydrogen firstly flows into a primary expander to expand and reduce pressure, does work outwards, then flows into a primary heat exchanger to exchange heat with a heat exchange medium, and the cold energy generated in the heat exchange process is input into an air conditioning system of a vehicle; then flows into a secondary expansion machine for expansion and pressure reduction, does work outwards, then flows into a secondary heat exchanger for heat exchange with a heat exchange medium, and the cold energy generated in the heat exchange process is input into an air conditioning system of the vehicle; then flows into a three-stage expander to expand and reduce pressure, works externally, then flows into a three-stage heat exchanger to exchange heat with a heat exchange medium, and the cold energy generated in the heat exchange process is input into an air conditioning system of the vehicle.
The expander may be a screw expander, a radial-axial expander, a scroll expander, a piston expander, or the like, and may be selected according to actual needs.
It should be further noted that the heat exchanger may be a plate heat exchanger, a tube heat exchanger, or the like, and is selected according to actual needs. The heat exchanger needs to be made of hydrogen-brittleness resistant materials, so that the heat exchanger is prevented from being corroded by hydrogen.
Furthermore, the expander is connected with a generator, and the output work of the expander can be converted into electric energy to charge the power battery.
Further, as shown in fig. 2, the electric energy generated by the hydrogen internal combustion power system in this embodiment is rectified and inverted to provide electric energy for the traction motor. The traction motor receives three-phase controllable electric energy from the inverter part of the converter, and converts the electric energy into mechanical energy to be supplied to the gear box and the vehicle wheel pair.
Further, as shown in fig. 2, the electric energy generated by the hydrogen internal combustion power system is rectified and inverted to provide electric energy for the auxiliary loads of the vehicle including the air conditioner.
In the embodiment, the hydrogen internal combustion power generation system is used for providing energy required by traction in the constant-speed running stage of the vehicle. And in the vehicle acceleration stage, the power battery is used for power supplement. When the vehicle is braked, the braking energy is converted into electric energy to charge the power battery preferentially, the redundant energy is consumed by the braking resistor, and the heat of the braking resistor provides heat for the air conditioner through the heat exchange system when needed. The invention fully utilizes the cold energy generated by the expansion work of the high-pressure hydrogen and the waste heat of the internal combustion engine and the brake resistor to provide the required cold energy or heat for the air conditioner so as to achieve the effect of saving energy of the vehicle auxiliary system.
Further, the arrangement and the principle of the cooling and heating system of the vehicle air conditioning system in the embodiment are shown in fig. 3, and the specific control process is shown in fig. 4, wherein both the cold-end heat exchanger and the hot-end heat exchanger are integrated in the air conditioning system; under the refrigeration mode, the air conditioning system preferably inputs cold energy from the high-pressure hydrogen refrigeration system, the air blower sucks external high-temperature air into the cold-end heat exchanger, and the high-temperature air exchanges heat with low-temperature hydrogen in the cold-end heat exchanger, and finally outputs low-temperature air to refrigerate the carriage. If the cold quantity provided by the high-pressure hydrogen cannot meet the refrigeration requirement, the air-conditioning refrigeration system is started to provide extra cold quantity. In the heating mode, the air conditioning system preferably inputs waste heat of the internal combustion engine and the brake resistor, the air blower sucks external low-temperature air into the hot end heat exchanger, the low-temperature air exchanges heat with high-temperature waste gas or cooling medium of the internal combustion engine/the brake resistor in the hot end heat exchanger, and finally high-temperature air is output to heat a carriage. If the heat provided by the waste heat can not meet the heating requirement, the air conditioner heater is started to provide additional heat.
Further, the vehicle in this embodiment may be a rail vehicle or a general automobile running on a highway, the rail vehicle may be any suitable type of vehicle, such as a fast train, a motor car, a subway vehicle, and the like, and the present invention is not limited to a certain type or types of rail vehicles.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hydrogen internal combustion power vehicle based on high-pressure hydrogen expansion work and waste heat utilization comprises a high-pressure hydrogen storage system, a high-pressure hydrogen refrigerating system, a hydrogen internal combustion power generation system and a traction power system and is characterized in that cold energy generated by the high-pressure hydrogen refrigerating system is conveyed to an air conditioner refrigerating system of the vehicle for refrigeration, and tail gas heat generated by the hydrogen internal combustion power generation system is conveyed to an air conditioner heating system for heating.
2. A hydrogen internal combustion powered vehicle as defined in claim 1 and based on high pressure hydrogen expansion work and waste heat utilization, further comprising a power battery and a braking resistor, wherein the heat generated by the braking resistor is supplied to an air conditioning and heating system for heating.
3. A hydrogen internal combustion powered vehicle as claimed in claim 1, wherein the high pressure hydrogen refrigeration system comprises at least one set of expander and heat exchanger, the high pressure hydrogen storage system is connected with the expander, the expander is connected with the heat exchanger, and the heat exchanger inputs the cold energy generated in the expansion and decompression process of the high pressure hydrogen to the refrigeration system of the vehicle air conditioner.
4. A hydrogen internal combustion powered vehicle as claimed in claim 3 wherein the expander is further connected to an electrical generator which converts the work of gas expansion into electrical energy and charges the power cell when required.
5. A hydrogen internal combustion powered vehicle based on high pressure hydrogen gas expansion work and waste heat utilization according to claim 3, characterized in that when the expander and the heat exchanger comprise a plurality of groups, the plurality of groups of the expander and the heat exchanger are connected in series in sequence.
6. A hydrogen internal combustion powered vehicle based on high pressure hydrogen gas expansion work and waste heat utilization as claimed in claim 1, characterized in that the hydrogen internal combustion power generation system comprises a hydrogen-burning internal combustion engine and a generator; the waste gas generated by the hydrogen-burning internal combustion engine is provided for an air-conditioning heating system.
7. A hydrogen internal combustion powered vehicle as defined in claim 6, characterised in that the exhaust gas from the hydrogen internal combustion engine is fed to the hot side heat exchanger of the air conditioning and heating system.
8. A hydrogen internal combustion powered vehicle based on high pressure hydrogen expansion work and waste heat utilization as claimed in claim 1, characterized in that the hydrogen internal combustion power generation system provides electrical power for the vehicle's traction motor, air conditioning and/or other auxiliary loads.
9. The cooling and heating control method for a hydrogen internal combustion-powered vehicle based on high-pressure hydrogen expansion work and waste heat utilization according to any one of claims 1 to 9, characterized by comprising:
in the refrigeration mode, the air conditioning system inputs refrigeration capacity preferentially from the high-pressure hydrogen refrigeration system, the blower sucks external high-temperature air into the cold-end heat exchanger, the high-temperature air exchanges heat with low-temperature hydrogen in the cold-end heat exchanger, and finally low-temperature air is output to refrigerate the carriage; if the cooling capacity provided by the high-pressure hydrogen cannot meet the refrigeration requirement, the air-conditioning refrigeration system is started to provide additional cooling capacity;
in the heating mode, the air conditioning system preferentially inputs waste heat generated by the hydrogen internal combustion power generation system, the blower sucks external low-temperature air into the hot end heat exchanger, the low-temperature air exchanges heat with the waste heat in the hot end heat exchanger, and finally high-temperature air is output to heat a carriage; if the heat provided by the waste heat can not meet the heating requirement, the air conditioner heater is started to provide additional heat.
10. The cooling and heating control method for a hydrogen internal combustion powered vehicle based on high pressure hydrogen expansion work and waste heat utilization as claimed in claim 9, wherein the air conditioning system can also preferentially input heat generated by the brake resistor in the heating mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210048133.0A CN114407950B (en) | 2022-01-17 | 2022-01-17 | Hydrogen internal combustion power vehicle and method based on high-pressure hydrogen expansion work and waste heat utilization |
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| CN202210048133.0A CN114407950B (en) | 2022-01-17 | 2022-01-17 | Hydrogen internal combustion power vehicle and method based on high-pressure hydrogen expansion work and waste heat utilization |
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2022
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Patent Citations (7)
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| JP2004155295A (en) * | 2002-11-06 | 2004-06-03 | Daikin Ind Ltd | Air conditioning system for automobile |
| US20150183296A1 (en) * | 2013-12-30 | 2015-07-02 | Ford Global Technologies, Llc | Method and system for heating a vehicle |
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