CN112644524A - Rail train energy comprehensive supply system and rail train - Google Patents
Rail train energy comprehensive supply system and rail train Download PDFInfo
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- CN112644524A CN112644524A CN202011350373.3A CN202011350373A CN112644524A CN 112644524 A CN112644524 A CN 112644524A CN 202011350373 A CN202011350373 A CN 202011350373A CN 112644524 A CN112644524 A CN 112644524A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/02—Bunkers; Tanks; Tenders; Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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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
- B61D27/0036—Means for heating only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
- H01M8/04164—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal by condensers, gas-liquid separators or filters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides a rail train energy comprehensive supply system and a rail train, wherein the rail train energy comprehensive supply system comprises: the system comprises a hydrogen fuel cell reaction unit, a power supply unit, a water supply unit and a heat supply unit, wherein a rail train energy supply system is independently arranged in any carriage of a rail train, and the rail train energy supply system independently supplies energy to the corresponding carriage. The rail train and the rail train energy comprehensive supply system provided by the invention can provide electric energy for the carriage through the hydrogen fuel cell reaction unit, and can fully utilize heat and water generated by the hydrogen fuel cell reaction unit, thereby avoiding energy waste. Each set of rail train energy comprehensive supply system is independently arranged in a single carriage, the rail train energy comprehensive supply systems in the carriages are not influenced mutually, and when a line fault occurs in a certain carriage, the supply of electric energy, heat energy and water in other carriages is not influenced, so that the fault loss is effectively reduced.
Description
Technical Field
The invention relates to the technical field of energy supply systems, in particular to a rail train energy comprehensive supply system and a rail train.
Background
At present, auxiliary energy of rail transit vehicles is intensively supplied to non-power energy required by the vehicles through an auxiliary converter, so that the vehicles need to be electrically connected, and the requirements of the electrical connection between the vehicles on reliability and cost are high. The auxiliary power utilization of the passenger carrying vehicle adopts a centralized supply mode, and all carriages can stop power supply when a main line fails, so that the riding comfort of passengers is greatly influenced.
Disclosure of Invention
The invention provides a rail train energy comprehensive supply system and a rail train, which are used for solving the problem that auxiliary energy of a rail transit vehicle in the prior art adopts several supply modes, and all carriages stop supplying power when a main line fails.
The invention provides a rail train energy comprehensive supply system, which comprises:
a hydrogen fuel cell reaction unit for obtaining electric energy through a hydrogen combustion reaction;
the power supply unit is connected with the hydrogen fuel cell reaction unit through a circuit and used for supplying electricity to the train compartment of the rail train;
the water supply unit is connected with the hydrogen fuel cell reaction unit and is used for receiving and processing the water generated by the hydrogen fuel cell reaction unit and then supplying the water to passengers for use; and
the heat supply unit exchanges heat with the hydrogen fuel cell reaction unit to use the heat generated by the hydrogen fuel cell reaction unit as compartment heating;
the rail train energy supply system is independently arranged in any carriage of the rail train and independently supplies energy to the corresponding carriage.
According to the rail train energy comprehensive supply system provided by the invention, the hydrogen fuel cell reaction unit comprises hydrogen storage equipment, air supply equipment, a fuel cell system and electric pile cooling equipment, wherein the hydrogen storage equipment provides hydrogen required by combustion for the fuel cell system, the air supply equipment provides air required by combustion for the fuel cell system, the fuel cell system supplies electricity for a carriage, and the electric pile cooling equipment is used for exchanging heat generated by the fuel cell system to the heat supply unit.
According to the rail train energy comprehensive supply system provided by the invention, the hydrogen fuel cell reaction unit further comprises an energy storage device, and the energy storage device is in circuit connection with the fuel cell system.
According to the rail train energy comprehensive supply system provided by the invention, the heat supply unit comprises a cooling fan, an air guide device and an air conditioning and air supplying system, wherein the cooling fan is used for sending heat generated by the hydrogen fuel cell reaction unit into the air guide device, and the air conditioning and air supplying system is used for supplying the heat in the air guide device into a carriage.
According to the rail train energy comprehensive supply system provided by the invention, the heat supply unit further comprises an auxiliary heating device, and the auxiliary heating device is arranged between the air guide device and the air conditioner air supply system.
According to the rail train energy comprehensive supply system provided by the invention, an in-train heat supply pipeline, an out-train exhaust pipeline and a control valve are arranged at the air outlet position of the air guide device, the in-train heat supply pipeline is communicated to the air conditioning and air supply system, the out-train exhaust pipeline is communicated to the outside of a carriage, and the control valve is used for controlling the opening and closing of the out-train exhaust pipeline and the in-train heat supply pipeline.
According to the rail train energy comprehensive supply system provided by the invention, the water supply unit comprises a steam-water separator, a water pump and a water storage device, the steam-water separator is connected with the hydrogen fuel cell reaction unit, the water pump is used for pumping water separated by the steam-water separator into the water storage device, and the water storage device supplies water for a carriage.
According to the rail train energy comprehensive supply system provided by the invention, the water supply unit further comprises a water quality filter, and the water quality filter is arranged between the steam-water separator and the water pump and used for purifying water quality.
According to the rail train energy comprehensive supply system provided by the invention, the power supply unit comprises a direct current power supply device, a single-phase power supply device and a three-phase power supply device.
The invention also provides a rail train, which comprises at least one power carriage and at least one trailer carriage, wherein each trailer carriage is internally provided with at least one rail train energy comprehensive supply system, and the rail train energy comprehensive supply system independently supplies energy to the trailer carriage where the rail train energy comprehensive supply system is located.
The rail train and the rail train energy comprehensive supply system provided by the invention can provide electric energy for the carriage through the hydrogen fuel cell reaction unit, and can fully utilize heat and water generated by the hydrogen fuel cell reaction unit, thereby avoiding energy waste. A part of the heat generated by the hydrogen fuel cell reaction unit is used for heating the vehicle cabin, and the other part of the heat is supplied to the passengers in the vehicle cabin together with the water generated by the hydrogen fuel cell reaction unit.
Each set of rail train energy comprehensive supply system is independently arranged in a single carriage, the rail train energy comprehensive supply systems in the carriages are not influenced mutually, and when a line fault occurs in a certain carriage, the supply of electric energy, heat energy and water in other carriages is not influenced, so that the fault loss is effectively reduced, the riding comfort of passengers is improved, and the maintenance period and the maintenance cost are shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an integrated rail train energy supply system provided by the invention;
FIG. 2 is a schematic illustration of a configuration of the present invention in the form of a concentrated power train in a rail train;
fig. 3 is a schematic structural view of a distributed power train form in a rail train provided by the present invention.
Reference numerals:
1: a hydrogen storage device; 2: an air supply device; 3: a fuel cell system;
4: an energy storage device; 5: a steam-water separator; 6: an electromagnetic valve;
7: a water quality filter; 8: a water pump; 9: a DC power supply device;
10: a single-phase power supply device; 11: a three-phase power supply device; 12: a water storage device;
13: an air conditioning air supply system; 14: an auxiliary electric heating device; 15: an air guide device;
151: an in-vehicle heat supply pipeline; 152: an offboard discharge duct; 153: a control valve;
16: a stack cooling device; 17: a cooling fan; 18. A power compartment;
19: a trailer compartment.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The integrated rail train energy supply system according to the embodiment of the present invention is described below with reference to fig. 1, and arrows in fig. 1 indicate the flow directions of gas, liquid, and electric energy.
The rail train energy comprehensive supply system comprises a hydrogen fuel cell reaction unit, a power supply unit, a water supply unit and a heat supply unit. The hydrogen fuel cell reaction unit is used for obtaining electric energy through hydrogen combustion reaction, and the power supply unit is connected with the hydrogen fuel cell reaction unit in a circuit mode and can supply the electric energy generated by the hydrogen fuel cell reaction unit to a carriage for use. The heat generated in the hydrogen combustion reaction process needs to be discharged in time, otherwise, equipment can be damaged due to overheating, the heat is usually exchanged to the outside of a compartment through a heat exchanger to be discharged, and in the embodiment of the invention, the heat generated by the hydrogen fuel cell reaction unit is exchanged to a heat supply unit, and then the heat is applied to the compartment for heating through the heat supply unit. The hydrogen fuel cell can generate water during reaction, the water generated by the reaction carries part of heat generated by the reaction, the temperature is high, and the water supply unit can supply the water generated by the reaction to passengers, and particularly can be used for supplying water for teapots, toilets, restaurants and the like.
The rail train energy comprehensive supply system is independently arranged in any carriage of the rail train, and the rail train energy supply system independently supplies energy to the corresponding carriage. Therefore, the system can replace the traditional centralized power supply mode, can effectively avoid the problem of power failure of all carriages caused by main line faults, and can still maintain energy supply in the vehicle under the condition of power grid interruption. And the hydrogen fuel cell reaction is adopted as power supply and heating energy, so that the method has the advantage of environmental friendliness.
In one embodiment of the present invention, the hydrogen fuel cell reaction unit includes a hydrogen gas storage device 1, an air supply device 2, a fuel cell system 3, and a stack cooling device 16.
The hydrogen storage device 1 stores hydrogen gas in a vehicle compartment by a gas compression tank or the like, and the hydrogen storage device 1 is connected to the fuel cell system 3 by a pipe so as to be able to supply hydrogen gas necessary for combustion.
The air supply device 2 is connected to the combustion cell system via a pipe and is capable of supplying air required for combustion. The air supply device 2 comprises an air pump which is operative to pump ambient air into the combustion cell system. The air pump can be arranged in the carriage to take air in the carriage, and the effect of accelerating carriage ventilation can be achieved under the condition; air outside the vehicle compartment may also be taken.
The fuel cell system 3 is a place where the hydrogen fuel cell generates electric energy, and the fuel cell system 3 is a common hydrogen fuel cell reaction system, and other improvements are not made in the embodiment of the present invention, and the structure and the operation method thereof are not described in detail herein.
The stack cooling device 16 is used to exchange heat generated by the fuel cell system 3 to a heat supply unit. The electric pile cooling device 16 adopts a heat exchanger, cooling liquid in the heat exchanger exchanges heat with the fuel cell system 3 and carries heat to the position of the heat supply unit, and the cooling liquid exchanges the carried heat to the heat supply unit and then recycles the heat to the position of the fuel cell system 3.
The fuel cell system 3 is electrically connected to a power supply unit that supplies electric power generated by the fuel cell system 3 to electric devices in the vehicle compartment. The power supply unit includes a direct-current power supply device 9, a single-phase power supply device 10, and a three-phase power supply device 11. The direct current power supply device 9 converts the 300-. The single-phase power supply device 10 converts 300-600V direct current generated by the fuel cell system 3 into 220V alternating current for supplying power to passenger equipment such as a water pump 8, a socket, an electric tea stove heater, a hand dryer and the like. The three-phase power supply device 11 converts the 300-plus-600V direct current generated by the fuel cell system 3 into a 380-plus-440V alternating current power supply, and supplies power supply requirements of a traction motor cooling fan 17, a main inverter oil pump, a fresh air waste discharge fan, an air conditioner fan, an air compressor, an air conditioner compressor and other parts required by the rail transit vehicle.
Optionally, the hydrogen fuel cell reaction unit further comprises an energy storage device 4, and the energy storage device 4 is connected with the circuit of the fuel cell system 3. The energy storage device 4 may be a lithium battery, which can store part of the electric energy generated by the hydrogen fuel cell reaction unit as a standby power supply and a power supplement device. The fuel cell system 3 is responsible for supplying electric energy within a certain set value of 60-90% of the peak value of the power supply system, and when the actual power consumption demand exceeds the set value, the lithium battery supplements a corresponding energy supply gap. When the demand is below the set value and the lithium battery is not fully charged, the fuel cell system 3 needs to charge the lithium battery after the system function is satisfied.
In one embodiment of the present invention, the heating unit includes a cooling fan 17, an air guide device 15, and an air-conditioning blowing system 13. The air guide device 15 can form a gas channel, the air guide device 15 can be of a pipeline structure, and the cooling fins and the cooling fan 17 on the pile cooling device 16 are arranged inside the air guide device 15. The cooling fan 17 is used for sending heat generated by the hydrogen fuel cell reaction unit into the air guide device 15, specifically, when the cooling fan 17 operates, an air flow is generated in the air guide device 15, the air flow can cool the stack cooling device 16, and the heat of the stack cooling device 16 is transferred to the air in the air guide device 15. The air-conditioning blowing system 13 is provided at an outlet position of the air guide device 15, and the air-conditioning blowing system 13 heats the vehicle interior using air heated in the air guide device 15, and supplies heat in the air guide device 15 to the vehicle interior.
Further, the heat supply unit further includes an auxiliary heating device, and the auxiliary heating device is disposed between the air guide device 15 and the air-conditioning air supply system 13. When the temperature requirement in the vehicle cabin is high and the heat generated by the hydrogen fuel cell reaction unit cannot meet the temperature requirement in the vehicle cabin, the air flowing into the air conditioning and air supply system 13 through the air guide device 15 can be heated in an auxiliary manner. The auxiliary heating device may be directly electrically connected to the hydrogen fuel cell reaction unit and operated using electric power generated from the hydrogen fuel cell reaction unit.
Further, an in-vehicle heat supply pipeline 151, an out-vehicle exhaust pipeline 152 and a control valve 153 are arranged at the air outlet of the air guiding device 15. The control valve 153 can switch the air flow path at the air outlet of the air guide device 15, and the air in the air guide device 15 can be selectively introduced into the vehicle exterior discharge duct 152 and the vehicle interior heating duct 151. The in-vehicle heat supply pipeline 151 is communicated to the air-conditioning air supply system 13, and when the temperature in the carriage is low and heat supply needs to be performed in the carriage, the control valve 153 opens the passage of the in-vehicle heat supply pipeline 151. The vehicle exterior discharge duct 152 is communicated to the outside of the vehicle compartment, and when the temperature in the vehicle compartment is high and heating is not necessary, the control valve 153 opens the passage of the vehicle exterior discharge duct 152 to directly discharge the hot air in the air guide device 15 to the outside of the vehicle. The air outlet of the external discharge pipeline 152 in the carriage can be provided with a grid to play a role in protection.
In one embodiment of the invention, the water supply unit comprises a steam-water separator 5, a water pump 8 and a water storage device 12, wherein the steam-water separator 5 is connected with the hydrogen fuel cell reaction unit. The fuel cell system 3 generates electric energy, heat energy and also a large amount of water, which is mixed with the cathode air in the form of droplets. After water vapor generated by the reaction of the fuel cell system 3 enters the steam-water separator 5, the steam-water separator 5 can separate the water therein. The water inlet of the water pump 8 is connected with the water outlet end of the steam-water separator 5, the water outlet of the water pump 8 is connected with the water storage device 12, and the water pump 8 separated by the steam-water separator 5 can enter the water storage device 12. The water storage device 12 can be a water tank structure, and the water storage device 12 is communicated with hot water pipelines of water using places such as a water dispenser, a washroom and the like in a carriage.
An electromagnetic valve 6 may be provided between the steam separator 5 and the water pump 8, and the electromagnetic valve 6 is used to control the opening and closing of the passage from the steam separator 5 to the water pump 8. The electromagnetic valve 6 is closed when the amount of water separated in the steam-water separator 5 is small, and the electromagnetic valve 6 is opened when the amount of water separated in the steam-water separator 5 reaches a certain amount.
Further, the water supply unit further comprises a water quality filter 7, and the water quality filter 7 is arranged between the steam-water separator 5 and the water pump 8 and used for purifying water quality. After being purified by the water quality filter 7, the separated water can be used as cleaning water and can meet the drinking water requirement. And after the water quality filter 7 is used for purification, the condition that the pipelines and the water tank are blocked by impurity deposition can be effectively avoided.
In one embodiment of the present invention, a rail train is provided, the rail train comprises at least one power car 18 and at least one trailer car 19, each trailer car 19 is provided with at least one rail train energy comprehensive supply system according to any one of the above embodiments, and the rail train energy comprehensive supply system supplies energy to the trailer car 19 where the rail train energy comprehensive supply system is located. The specific implementation is divided into two types, namely a centralized power type and a distributed power type.
The configuration of the concentrated power train is shown in fig. 2 (in the figure, n represents a natural number greater than 1). One of the two sections is a power compartment 18 which is responsible for providing traction power for the train, and the other is a trailer compartment 19, and each trailer compartment 19 at least comprises one set of the rail train energy comprehensive supply system (shown as A in the figure) for providing auxiliary energy for the train. There are no additional electrical or energy connecting lines between the cars.
The form of the distributed power train is shown in fig. 3 (n in the figure represents a natural number greater than 1). The energy-saving railway train energy comprehensive supply system comprises a plurality of power carriages 18 and a plurality of trailer carriages 19, wherein the power carriages 18 are responsible for providing power for a train, and each trailer carriage 19 at least comprises one set of the above railway train energy comprehensive supply system (shown as A in the figure) for providing auxiliary energy for the train. There are no additional electrical or energy connecting lines between the cars.
The rail train energy comprehensive supply system and the rail train provided by the invention rely on the energy demand of the hydrogen energy supply in the carriage, are environment-friendly and pollution-free, have higher efficiency than an internal combustion engine, do not depend on the centralized power supply of the whole train, cancel the auxiliary power connection between the uncracked trains, and have high safety and reliability. Meanwhile, the utilization rate of energy generated by the hydrogen fuel cell can reach more than 90% at most, the energy-saving effect is obvious, and the device can replace or reduce devices such as an electric heater, a boiler heater and the like in a vehicle, reduce water supplement of the vehicle and reduce the amount of a water tank carried by the vehicle. When the power grid accident happens, the emergency energy supply problem can be solved, the carriage environment is guaranteed to be slightly influenced, and the emergency energy supply device can be independently used.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A rail train energy integrated supply system is characterized by comprising:
a hydrogen fuel cell reaction unit for obtaining electric energy through a hydrogen combustion reaction;
the power supply unit is connected with the hydrogen fuel cell reaction unit through a circuit and used for supplying electricity to the train compartment of the rail train;
the water supply unit is connected with the hydrogen fuel cell reaction unit and is used for receiving and processing the water generated by the hydrogen fuel cell reaction unit and then supplying the water to passengers for use; and
the heat supply unit exchanges heat with the hydrogen fuel cell reaction unit to use the heat generated by the hydrogen fuel cell reaction unit as compartment heating;
the rail train energy supply system is independently arranged in any carriage of the rail train and independently supplies energy to the corresponding carriage.
2. The rail train energy integrated supply system according to claim 1, wherein the hydrogen fuel cell reaction unit includes a hydrogen storage device, an air supply device, a fuel cell system, and a stack cooling device, the hydrogen storage device supplies hydrogen required for combustion to the fuel cell system, the air supply device supplies air required for combustion to the fuel cell system, the fuel cell system supplies electricity to a vehicle compartment, and the stack cooling device exchanges heat generated by the fuel cell system to the heat supply unit.
3. The rail train energy integrated supply system of claim 2, wherein the hydrogen fuel cell reaction unit further comprises an energy storage device, and the energy storage device is electrically connected with the fuel cell system.
4. The rail train energy comprehensive supply system according to claim 1, wherein the heat supply unit comprises a cooling fan, an air guide device and an air conditioning and supply system, the cooling fan is used for feeding heat generated by the hydrogen fuel cell reaction unit into the air guide device, and the air conditioning and supply system is used for supplying heat in the air guide device into a carriage.
5. The rail train energy source integrated supply system according to claim 4, wherein the heat supply unit further includes an auxiliary heating device, and the auxiliary heating device is disposed between the air guide device and the air-conditioning air supply system.
6. The rail train energy comprehensive supply system according to claim 4, wherein an air outlet of the air guide device is provided with an in-train heat supply pipeline, an out-train exhaust pipeline and a control valve, the in-train heat supply pipeline is communicated to the air conditioning and air supply system, the out-train exhaust pipeline is communicated to the outside of a carriage, and the control valve is used for controlling the opening and closing of the out-train exhaust pipeline and the in-train heat supply pipeline.
7. The rail train energy comprehensive supply system according to claim 1, wherein the water supply unit comprises a steam-water separator, a water pump and a water storage device, the steam-water separator is connected with the hydrogen fuel cell reaction unit, the water pump is used for pumping water separated by the steam-water separator into the water storage device, and the water storage device supplies water to a carriage.
8. The rail train energy comprehensive supply system according to claim 7, wherein the water supply unit further comprises a water quality filter, and the water quality filter is arranged between the steam-water separator and the water pump and used for purifying water quality.
9. The rail train energy source integrated supply system according to claim 1, wherein the power supply unit includes a direct current power supply device, a single phase power supply device, and a three phase power supply device.
10. A rail train comprising at least one power car and at least one trailer car, wherein each trailer car is provided with at least one rail train energy comprehensive supply system according to any one of claims 1 to 9, and the rail train energy comprehensive supply system is used for independently supplying energy to the trailer car in which the rail train energy comprehensive supply system is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011350373.3A CN112644524A (en) | 2020-11-26 | 2020-11-26 | Rail train energy comprehensive supply system and rail train |
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| CN202011350373.3A CN112644524A (en) | 2020-11-26 | 2020-11-26 | Rail train energy comprehensive supply system and rail train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114722102A (en) * | 2022-04-24 | 2022-07-08 | 武汉北曦盛科技有限公司 | Intelligent monitoring and management system for rail transit energy consumption system based on big data analysis |
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| Publication number | Priority date | Publication date | Assignee | Title |
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