CN117984925A - Car as a house energy supply system and car as a house - Google Patents
Car as a house energy supply system and car as a house Download PDFInfo
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- CN117984925A CN117984925A CN202410110526.9A CN202410110526A CN117984925A CN 117984925 A CN117984925 A CN 117984925A CN 202410110526 A CN202410110526 A CN 202410110526A CN 117984925 A CN117984925 A CN 117984925A
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- heat exchange
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 145
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 98
- 239000001257 hydrogen Substances 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000000446 fuel Substances 0.000 claims abstract description 79
- 239000007789 gas Substances 0.000 claims abstract description 67
- 238000003860 storage Methods 0.000 claims abstract description 50
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000002407 reforming Methods 0.000 claims abstract description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 17
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 10
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 9
- 229910001868 water Inorganic materials 0.000 claims description 82
- 238000007254 oxidation reaction Methods 0.000 claims description 34
- 239000000498 cooling water Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 21
- 230000003647 oxidation Effects 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 14
- 238000010248 power generation Methods 0.000 claims description 10
- 238000002309 gasification Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 239000013505 freshwater Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 13
- 210000004027 cell Anatomy 0.000 description 59
- 238000004146 energy storage Methods 0.000 description 12
- 239000002912 waste gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 210000000352 storage cell Anatomy 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Inorganic Chemistry (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to a motor home energy supply system and a motor home, which belong to the technical field of motor home energy supply, wherein the system comprises a hydrogen fuel cell, a miniature hydrogen production device, a storage battery and a voltage conversion device, wherein stored liquid methanol is prepared into mixed gas consisting of carbon dioxide, hydrogen, carbon monoxide and water vapor through the miniature hydrogen production device, the hydrogen fuel cell generates electricity based on the mixed gas and outputs the obtained electric energy to the storage battery and electric equipment of the motor home through the voltage conversion device, and the storage battery is used for storing the electric energy output by the hydrogen fuel cell and supplying power to the electric equipment of the motor home when the hydrogen fuel cell does not work. The hydrogen storage device supplies power to the motor home through the mode of matching the hydrogen fuel cell and the storage battery, can provide sufficient energy, ensures the cleanness of the energy, solves the problems of large hydrogen storage space and difficult transportation through the mode of hydrogen production by reforming methanol, and simultaneously takes into consideration three conditions of space, cleanness and sufficient energy.
Description
Technical Field
The invention relates to the technical field of energy supply of motor home, in particular to a motor home energy supply system and a motor home.
Background
In recent years, the motor home develops rapidly, and the motor home is called as a house on a wheel, has two functions of a house and a car, is popular with tourist lovers, but the motor home is required to provide not only vehicle driving energy, but also electric energy used by vehicle-mounted electric appliances.
At present, the energy supply mode of the motor home mainly comprises an energy storage battery, the larger the energy storage is, the larger the weight of the energy storage is, the larger the space required by the energy storage battery is, so that the energy storage battery cannot be completely relied on, and the energy storage battery in the open air cannot be charged, therefore, a fuel cell, a fuel generator or a gas generator can be additionally arranged, but hydrogen generated by the fuel cell is not easy to store and transport, and occupies a large amount of space of the motor home, so that the comfort of the motor home is reduced, the noise of the fuel generator is high, particularly, the quiet sleeping environment can be damaged during night rest, the sleeping quality is reduced, and the travel environment can be polluted by waste gas generated by fuel combustion; the gas generator also has noise problem, and the temperature of the exhaust system of the equipment is higher, and the used fuel is inflammable and explosive, so that potential safety hazards exist for users with less professionals.
Therefore, there is a need to provide a car as a house energy supply system that occupies a small space and can provide clean and sufficient energy.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a car as a house energy supply system and a car as a house for solving the technical problem that the car as a house energy supply system in the prior art cannot simultaneously consider three conditions of space, cleaning and energy sufficiency.
In order to solve the problems, the invention provides a motor home energy supply system, which comprises a hydrogen fuel cell, a miniature hydrogen production device, a storage battery and a voltage conversion device;
the miniature hydrogen production equipment is used for preparing stored liquid methanol into mixed gas consisting of carbon dioxide, hydrogen, carbon monoxide and water vapor;
The hydrogen fuel cell generates power based on the mixed gas and outputs the obtained electric energy to the storage battery and electric equipment of the caravan through the voltage conversion equipment;
The storage battery is used for storing the electric energy output by the hydrogen fuel cell and supplying power for electric equipment of the motor home when the hydrogen fuel cell does not work.
In one possible implementation, the miniature hydrogen-producing device comprises a methanol storage, a gasification chamber, a reforming chamber, and an oxidation chamber;
The methanol storage is used for storing the liquid methanol;
The gasification chamber is used for converting the liquid methanol into gaseous methanol by heat generated by power generation of the hydrogen fuel cell;
the reforming chamber is used for preparing the gaseous methanol into the mixed gas and delivering the mixed gas to the hydrogen fuel cell;
the oxidation chamber is used for recycling the incompletely-reacted gas in the hydrogen fuel cell and discharging the incompletely-reacted gas after oxidation reaction;
The oxidation chamber is also used for conveying heat energy generated in the oxidation reaction to the reforming chamber, and providing heat required for preparing the mixed gas for the reforming chamber.
In one possible implementation, the caravan energy system further includes a thermal energy recovery device;
The heat energy recovery device is used for obtaining recovered heat energy through heat exchange with tail gas generated by the oxidation reaction, heating a clean water tank of the caravan through the recovered heat energy and providing heat energy for a fan heater of the caravan.
In one possible implementation, the heat energy recovery device comprises a heat exchange module, a clear water heating module and a warm air module;
The heat exchange module is used for carrying out heat exchange between the extracted cooling water and tail gas generated by the oxidation reaction to obtain high-temperature cooling water;
the clear water heating module is used for introducing the high-temperature cooling water into the clear water tank and heating the water in the clear water tank through a heat exchange pipeline;
The warm air module is used for leading the high-temperature cooling water into the heat exchange core of the warm air blower to provide heat energy for the warm air blower.
In one possible implementation, the oxidation chamber includes a tail gas pipeline for discharging tail gas in the oxidation reaction, and the heat exchange module includes an expansion kettle, a heat exchanger, a water pump, and a first temperature control switch;
The water outlet of the expansion kettle is connected with the water inlet of the heat exchanger through a pipeline, the heat exchanger is arranged in the tail gas pipeline, the water outlet of the heat exchanger is connected with the water pump through a pipeline, the water pump is electrically connected with the first end of the first temperature control switch, the second end of the first temperature control switch is electrically connected with the voltage conversion equipment, and the temperature probe of the first temperature control switch is arranged in the tail gas pipeline.
In one possible implementation manner, the clean water heating module comprises a heat exchange pipeline, a three-way normally-closed electromagnetic valve and a second temperature control switch;
The first end of the three-way normally-closed electromagnetic valve is connected with the water pump through a pipeline, the second end of the three-way normally-closed electromagnetic valve is connected with the warm air module through a pipeline, the third end of the three-way normally-closed electromagnetic valve is connected with one end of the heat exchange pipeline through a pipeline, the heat exchange pipeline is arranged inside the clean water tank, the other end of the heat exchange pipeline is connected with the second end of the three-way normally-closed electromagnetic valve through a pipeline, the control end of the three-way normally-closed electromagnetic valve is electrically connected with the first end of the second temperature control switch, the second end of the second temperature control switch is electrically connected with the first end of the first temperature control switch, the temperature probe of the second temperature control switch is arranged inside the clean water tank, and the second end of the three-way normally-closed electromagnetic valve is a normally-closed port.
In one possible implementation, the warm air module includes a three-way normally open solenoid valve;
The first end of the three-way normally-open electromagnetic valve is connected with the second end of the three-way normally-closed electromagnetic valve through a pipeline, the second end of the three-way normally-open electromagnetic valve is connected to the water inlet of the expansion kettle through a pipeline, the third end of the three-way normally-open electromagnetic valve is connected to one end of the heat exchange core through a pipeline, the other end of the heat exchange core is connected to the water inlet of the expansion kettle through a pipeline, and the control end of the three-way normally-open electromagnetic valve is electrically connected with the heating fan.
In one possible implementation, the caravan energy supply system further includes an inverter;
the inverter is used for being connected with commercial power to charge the storage battery.
In one possible implementation manner, the caravan energy supply system further comprises a touch screen and a controller;
the touch screen is used for displaying the working states of the hydrogen fuel cell, the storage battery and the inverter;
The touch screen is also used for sending a control instruction issued by a user to the controller, and controlling the hydrogen fuel cell, the storage battery and the inverter through the controller.
The invention also provides a motor home, which comprises the motor home energy supply system.
The beneficial effects of the invention are as follows: the invention provides a motor home energy supply system which comprises a hydrogen fuel cell, a micro hydrogen production device, a storage battery and a voltage conversion device, wherein stored liquid methanol is prepared into mixed gas consisting of carbon dioxide, hydrogen, carbon monoxide and water vapor through the micro hydrogen production device, the hydrogen fuel cell generates electricity based on the mixed gas and outputs the obtained electric energy to the storage battery and electric equipment of the motor home through the voltage conversion device, the storage battery is used for storing the electric energy output by the hydrogen fuel cell and supplying power to the electric equipment of the motor home when the hydrogen fuel cell does not work, and the motor home is simultaneously supplied with energy in a mode of matching the hydrogen fuel cell and the storage battery, so that not only can sufficient energy be provided, but also the cleanness of the energy is ensured, the problems of large hydrogen storage space and difficult transportation are solved through a mode of hydrogen reforming.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a system for supplying energy to a motor home according to the present invention;
Fig. 2 is a schematic structural diagram of an embodiment of a heat energy recovery device in the energy supply system of a caravan according to the present invention.
Detailed Description
The following detailed description of preferred embodiments of the application is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the application, are used to explain the principles of the application and are not intended to limit the scope of the application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a motor home energy supply system provided by the present invention; in one embodiment of the present invention, a motor home energy supply system is disclosed, comprising a hydrogen fuel cell 10, a micro hydrogen production device 20, a storage battery 30, and a voltage conversion device 40;
micro-scale hydrogen plant 20 is configured to produce stored liquid methanol as a mixed gas consisting of carbon dioxide, hydrogen, carbon monoxide and water vapor;
The hydrogen fuel cell 10 generates electricity based on the mixed gas and outputs the obtained electric energy to the storage battery 30 and electric equipment of the motor home through the voltage conversion device 40;
The storage battery 30 is used for storing the electric energy output by the hydrogen fuel cell 10 and supplying power to electric equipment of the motor home when the hydrogen fuel cell 10 is not in operation.
In implementation, the electric power of the storage battery 30 is usually supplied to the motor home, when the electric power of the storage battery 30 is insufficient and no commercial power is supplied, the hydrogen fuel cell 10 is started, the micro hydrogen production equipment 20 prepares pre-stored methanol into mixed gas composed of carbon dioxide, hydrogen, carbon monoxide and water vapor, the mixed gas is sent into the hydrogen fuel cell 10 to react, the hydrogen fuel cell 10 generates power to output direct current, the direct current is converted into electric power of the voltage required by the storage battery 30 and motor home electric equipment through the voltage conversion equipment 40, the electric power is supplied to the motor home electric equipment through the hydrogen fuel cell 10, the storage battery 30 is charged, the problem of insufficient energy storage of the storage battery 30 is avoided, in the embodiment of the invention, the lithium battery can be adopted as the storage battery 30, waste gas generated by power generation of the hydrogen fuel cell 10 is carbon dioxide and water vapor, compared with carbon dioxide generated by a fuel generator, the carbon dioxide emission amount of the hydrogen fuel cell 10 is very low, the mixed gas is clean energy, and the electric power is generated by the hydrogen fuel cell 10, and no very large noise is generated like a generator, and the comfort of the motor home is improved.
The liquid methanol is a mixed solution (53-55% of mass concentration) of methanol and deionized water, the power generation emission is carbon dioxide and water and releases heat, and the fuel is a mixed solution of methanol and water, so that the liquid methanol has many advantages, and among a plurality of new energy sources and clean energy sources in the traffic field, the methanol is the only new energy source in liquid state at normal temperature and normal pressure, and has the combustion characteristics of gasoline and diesel. Compared with calculation of calorific value such as gasoline, the average energy conversion efficiency of the methanol can be improved by more than 20%, the methanol source is wide and reliable, the methanol can be prepared by using coal, natural gas and the like, hydrogen can be prepared by using electrolysis water such as 'waste wind', 'waste light', and the like, and then the hydrogen reacts with carbon dioxide to prepare the methanol.
Compared with the prior art, the electric energy supply system for the motor home provided by the embodiment of the invention comprises the hydrogen fuel cell 10, the micro hydrogen production equipment 20, the storage battery 30 and the voltage conversion equipment 40, wherein the stored liquid methanol is prepared into the mixed gas consisting of carbon dioxide, hydrogen, carbon monoxide and water vapor through the micro hydrogen production equipment 20, the hydrogen fuel cell 10 generates electricity based on the mixed gas and outputs the obtained electric energy to the storage battery 30 and electric equipment of the motor home through the voltage conversion equipment 40, the storage battery 30 is used for storing the electric energy output by the hydrogen fuel cell 10 and supplying power to the electric equipment of the motor home when the hydrogen fuel cell 10 does not work, and the electric energy supply system for the motor home simultaneously supplies energy to the motor home in a mode of matching the hydrogen fuel cell 10 and the storage battery 30, so that not only can sufficient energy be provided, but also the energy can be ensured to be clean, the problems of large hydrogen storage space and difficult transportation are solved in a mode of hydrogen production by methanol reforming, and three conditions of space, cleaning and sufficient energy are simultaneously considered.
In order to achieve the preparation of hydrogen fuel, the micro hydrogen production device 20 provided in the embodiment of the present invention includes a methanol storage 210, a gasification chamber 220, a reforming chamber 230 and an oxidation chamber 240;
The methanol storage 210 is used for storing liquid methanol;
the gasification chamber 220 is used to convert liquid methanol into gaseous methanol by heat generated by the power generation of the hydrogen fuel cell 10;
The reforming chamber 230 is used to prepare gaseous methanol as a mixed gas and deliver it to the hydrogen fuel cell 10;
the oxidation chamber 240 is used for recovering the incompletely reacted gas in the hydrogen fuel cell 10 and discharging the incompletely reacted gas after oxidation reaction;
The oxidation chamber 240 is also used to transfer heat energy generated in the oxidation reaction to the reforming chamber 230, and to supply the reforming chamber 230 with heat required for preparing the mixed gas.
In a specific implementation, liquid methanol is input into the gasification chamber 220, the liquid methanol is gasified into methanol gas and steam (i.e., gaseous methanol) by heating in the gasification chamber 220, the gaseous methanol is then introduced into the reforming chamber 230, the gaseous methanol is prepared into carbon dioxide and hydrogen by pyrolysis in the reforming chamber 230, and the carbon dioxide and a small amount of carbon monoxide are simultaneously contained in the unreacted water, and the specific reaction in the reforming chamber 230 is as follows:
CH3OH+H2O→CO2+3H2
Wherein CH 3 OH is methanol, H 2 O is water, CO 2 is carbon dioxide, H 2 is hydrogen, and the reformed mixed gas enters a cell stack of the hydrogen fuel cell 10 to perform chemical reaction to generate heat, direct current and water, and the reaction in the cell stack of the hydrogen fuel cell 10 is as follows:
2H2+O2→2H2O+2e-
During the operation of the electric pile, a great amount of heat is generated at the same time, the fuel cell system recovers the generated heat of the electric pile, and the recovered heat is used for the gasification chamber 220 to heat and gasify the liquid methanol so as to improve the energy efficiency of the fuel cell, the incompletely reacted gas (comprising hydrogen, carbon monoxide and carbon dioxide) is recovered by the oxidation chamber 240, the oxidation reaction is carried out in the oxidation chamber 240, the reforming chamber 230 is heated at high temperature by the heat generated by the oxidation reaction, the heat energy of the cracking reaction is provided, and the efficiency of the energy supply system is further improved.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a heat energy recovery device in the energy supply system of a motor home provided by the present invention, DC in fig. 2 represents direct current, AC represents alternating current, K in fig. 2 is a main switch of the heat energy recovery device, so as to further provide overall energy efficiency of power generation of the hydrogen fuel cell 10, and the energy system of a motor home further includes a heat energy recovery device 50;
The heat energy recovery device 50 is used for obtaining recovered heat energy through heat exchange with tail gas generated by oxidation reaction, heating a clean water tank of the caravan through the recovered heat energy and providing heat energy for a fan heater PTC of the caravan.
It can be understood that, in the embodiment of the present invention, since the exhaust gas generated by the power generation of the hydrogen fuel cell 10 has a high temperature, and the hydrogen and carbon monoxide which are not completely reacted will release a large amount of heat after the oxidation reaction in the oxidation chamber 240, the exhaust gas discharged from the oxidation chamber 240 has a high temperature, the heat energy in the exhaust gas is recovered by the heat energy recovery device 50, and the recovered heat energy is used for heating the clean water tank and the warm air fan PTC to provide hot water and warm air for the caravan, and the overall energy efficiency of the power generation of the hydrogen fuel cell 10 is further improved.
Because the exhaust gas is gas, the carried heat energy cannot be directly utilized, the heat energy recovery device 50 provided in this embodiment includes a heat exchange module 510, a clean water heating module 520 and a warm air module 530;
the heat exchange module 510 is configured to obtain high-temperature cooling water by extracting cooling water and performing heat exchange with tail gas generated by an oxidation reaction;
the clear water heating module 520 is used for introducing high-temperature cooling water into the clear water tank and heating the water in the clear water tank through a heat exchange pipeline;
the warm air module 530 is used for introducing high-temperature cooling water into the heat exchange core of the fan heater PTC to provide heat energy for the fan heater PTC.
It can be understood that in the embodiment of the invention, the heat energy in the exhaust gas is transferred to the cooling water by adopting the heat exchange between the cooling water and the exhaust gas to obtain the high-temperature cooling water, and then the heat exchange cores of the clean water tank and the PTC of the air heater are heated by using the high-temperature cooling water, so that the recycling of the tail gas heat energy is realized, the overall energy efficiency of the energy supply system of the motor home is further improved, and unnecessary energy loss is avoided.
In order to realize recovery of heat energy in the exhaust gas, the oxidation chamber 240 provided by the embodiment of the invention comprises an exhaust gas pipeline for exhausting exhaust gas in the oxidation reaction, and the heat exchange module 510 comprises an expansion kettle, a heat exchanger, a water pump M and a first temperature control switch K1;
Wherein, the delivery port of inflation kettle passes through the pipeline and is connected with the water inlet of heat exchanger, and the heat exchanger sets up in the tail gas pipeline, and the delivery port of heat exchanger passes through pipeline and is connected with water pump M, and water pump M is connected with first temperature detect switch K1's first end electricity, and first temperature detect switch K1's second end is connected with voltage conversion equipment 40 electricity, and first temperature detect switch K1's temperature probe sets up in the tail gas pipeline.
In a specific implementation, the expansion kettle is used for storing cooling water, the first temperature control switch K1 is used for detecting the temperature of the tail gas pipeline, when the hydrogen fuel cell 10 does not work, the tail gas pipeline is free from exhaust gas discharge, the temperature in the tail gas pipeline is low, at the moment, the first temperature control switch K1 is not closed, the water pump M is not electrified, no cooling water flows out of the expansion kettle, and heat exchange is not performed; when the hydrogen fuel cell 10 works, high-temperature waste gas is discharged from the tail gas pipeline, the temperature of the tail gas pipeline is higher, at the moment, the first temperature control switch K1 is closed, the water pump M is electrified to start working, cooling water in the expansion kettle is pumped out to the heat exchanger, heat in the waste gas is transferred to the cooling water through the heat exchanger, high-temperature cooling water is obtained, the high-temperature cooling water is conveyed to the clean water heating module 520 and the warm air module 530 through pipelines, the clean water tank and the heat exchange core are heated, and further the recycling of waste gas heat energy is realized.
In order to realize temperature control of the clean water tank, the clean water heating module 520 provided by the embodiment of the invention comprises a heat exchange pipeline, a three-way normally-closed electromagnetic valve T1 and a second temperature control switch K2;
Wherein, three way normally closed solenoid valve T1's first end A1 passes through the pipeline to be connected with water pump M, three way normally closed solenoid valve T1's second end B1 passes through the pipeline to be connected with warm braw module 530, three way normally closed solenoid valve T1's third end C1 passes through the pipeline to be connected with the one end of heat transfer pipeline, the heat transfer pipeline sets up inside the clear water tank, heat transfer pipeline's the other end passes through the pipeline to be connected with three way normally closed solenoid valve T1's second end B1, three way normally closed solenoid valve T1's control end is connected with second temperature detect switch K2's first end electricity, second temperature detect switch K2's second end is connected with first temperature detect switch K1's first end electricity, second temperature detect probe sets up inside the clear water tank, three way normally closed solenoid valve T1's second end B1 is the normal close port.
It can be understood that in the embodiment of the invention, the temperature probe of the second temperature control switch K2 is used for detecting the temperature of clear water in the clear water tank, when the temperature of the clear water is smaller than a preset temperature value and the first temperature control switch K1 is closed, the second temperature control switch K2 is disconnected, the three-way normally-closed electromagnetic valve T1 is not electrified and is in a normally-closed state, the first end A1 and the third end C1 of the three-way normally-closed electromagnetic valve T1 are conducted, and high-temperature cooling water flowing out of the heat exchanger reaches the first end A1 of the three-way normally-closed electromagnetic valve T1 through the water pump M and is conveyed to the heat exchange pipeline through the third end C1 to heat the clear water in the clear water tank; when the temperature of clear water is greater than a preset temperature value and the first temperature control switch K1 is closed, the second temperature control switch K2 is closed, the three-way normally-closed electromagnetic valve T1 is electrified, the first end A1 and the second end B1 of the three-way normally-closed electromagnetic valve T1 are communicated, the third end C1 is closed, high-temperature cooling water flowing out after passing through the heat exchanger reaches the first end A1 of the three-way normally-closed electromagnetic valve T1 through the water pump M, flows out from the second end B1, does not pass through the clear water tank, does not heat the clear water tank, and further realizes the control of the clear water temperature in the clear water tank.
It should be noted that, the user does not always need to turn on the warm air, so in order to realize the heating control of the heat exchange core, the warm air module 530 provided by the embodiment of the invention includes a three-way normally open electromagnetic valve T2;
Wherein, three way normally open solenoid valve T2's first end A2 passes through the pipeline and is connected with three way normally closed solenoid valve T1's second end B1, three way normally open solenoid valve T2's second end B2 passes through the pipe connection to the water inlet of expansion kettle, three way normally open solenoid valve T2's third end C2 passes through the pipe connection to the one end of heat exchange core, the other end of heat exchange core passes through the pipe connection to the water inlet of expansion kettle, three way normally open solenoid valve T2's control end and PTC electricity are connected.
It can be understood that in the specific implementation, when the fan heater PTC is not turned on by the user, the three-way normally-open electromagnetic valve T2 is not energized and is in a normally-open state, at this time, the first end A2 and the second end B2 of the three-way normally-open electromagnetic valve T2 are turned on, the third end C2 is not turned on, and the high-temperature cooling water flowing into the first end A2 of the three-way normally-open electromagnetic valve T2 does not flow into the heat exchange core through the pipeline, but flows into the expansion kettle directly through the second end B2 of the three-way normally-open electromagnetic valve T2 and the pipeline; when a user starts the PTC heater unit, the heat exchange core needs to be heated at the moment, the first end A2 and the third end C2 of the three-way normally-open electromagnetic valve T2 are conducted, the second end B2 is closed, high-temperature cooling water flowing into the first end A2 of the three-way normally-open electromagnetic valve T2 flows into the heat exchange core through a pipeline, the heat exchange core is heated, the heat energy supply to the PTC heater unit is realized, cooling water flows into an expansion kettle through the pipeline after heat exchange, cooling water circulation is realized, cooling treatment to waste gas is realized through cooling water circulation, and recycling of heat energy is realized.
It should be noted that, in order to realize the charging function of the caravan, the caravan energy supply system further includes an inverter;
The inverter is used for charging the storage battery 30 by accessing the commercial power.
It can be understood that, in the embodiment of the present invention, since the utility power is ac power, and the storage battery 30 cannot be directly charged by ac power, an inverter is required to convert the input utility power into dc power, and the dc power output by the storage battery 30 and the hydrogen fuel cell 10 also needs to be converted into ac power by the inverter for use by some ac electric devices.
It can be understood that, in order to facilitate the user to monitor and control the energy supply system of the caravan, the energy supply system of the caravan provided by the embodiment of the invention further comprises a touch screen and a controller;
The touch screen is used for displaying the working states of the hydrogen fuel cell 10, the storage battery 30 and the inverter;
The touch screen is also used for sending control instructions issued by a user to the controller, and controlling the hydrogen fuel cell 10, the storage battery 30 and the inverter through the controller.
In a specific implementation, in order to better control the energy storage battery and the inverter of the fuel cell, a set of man-machine interaction interface and a controller are separately developed, and a touch screen is matched to conveniently display information of some storage batteries 30, the hydrogen fuel cell 10, the inverter and the methanol reserves to a customer, and the information can be displayed in a form of matching numbers through interface icons, and touch buttons are provided so that the user can operate, for example: the operation and closing button, (1) click the operation button, if no external commercial power condition exists, the hydrogen fuel cell 10 starts the starting-up procedure without considering the electric quantity of the energy storage battery; if the external commercial power condition exists, the fuel cell is not started; after the starting, the fuel cell begins to be preheated for about 20 minutes, enters a normal working state, and automatically detects the electric quantity and the voltage of the energy storage cell to automatically standby the fuel cell when the energy storage cell is full of electricity, and automatically supplements electricity when the energy storage cell is full of electricity; (2) When the close button is clicked, the system starts a shutdown procedure, at which time the device needs to cool for about 30 minutes before entering a standby state. During the cooling of the apparatus, the battery 30 cannot be disconnected from the power supply in any state other than the standby state; in the fuel cell shutdown state, only the operating parameters of the battery 30 and the inverter are displayed.
The car as a house energy supply system provided by the invention adopts the mixed solution of methanol and water as fuel, the mixed solution of methanol and water enters the fuel cell to reform and produce hydrogen to generate electricity for the electric appliances of the whole car, the electric energy can be stored in the lithium iron phosphate battery (namely the storage battery 30) of the car as a car, 30L of methanol and water solution is carried at one time, the continuous power supply capacity exceeding 30KWh can be easily obtained, the hydrogen fuel cell 10 with the rated power of 3KW can easily obtain the peak power generation of 4.2KW, the 4.8KWh lithium iron battery pack and the 5KW inverter are matched, the maximum output power of 5KW can be realized, the large-power electric appliances such as the car-mounted air conditioner, the electric oven, the electric water and the like can be easily met, the system can also automatically adjust the power generation power according to the power load change and the battery capacity condition, the commercial power supply load is preferably used and the battery is charged when the commercial power is externally connected, the fuel cell automatically enters the standby mode at the moment, and the standby power is automatically awakened when in use.
Further, the invention also provides a motor home comprising the motor home energy supply system, and the specific embodiment of the motor home refers to the embodiment of the motor home energy supply system and is not described herein. The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a car as a house energy supply system which is characterized in that the system comprises a hydrogen fuel cell, a miniature hydrogen production device, a storage battery and a voltage conversion device;
the miniature hydrogen production equipment is used for preparing stored liquid methanol into mixed gas consisting of carbon dioxide, hydrogen, carbon monoxide and water vapor;
The hydrogen fuel cell generates power based on the mixed gas and outputs the obtained electric energy to the storage battery and electric equipment of the caravan through the voltage conversion equipment;
The storage battery is used for storing the electric energy output by the hydrogen fuel cell and supplying power for electric equipment of the motor home when the hydrogen fuel cell does not work.
2. The recreational vehicle energy supply system according to claim 1, wherein said micro-hydrogen plant includes a methanol storage device, a gasification chamber, a reforming chamber, and an oxidation chamber;
The methanol storage is used for storing the liquid methanol;
The gasification chamber is used for converting the liquid methanol into gaseous methanol by heat generated by power generation of the hydrogen fuel cell;
the reforming chamber is used for preparing the gaseous methanol into the mixed gas and delivering the mixed gas to the hydrogen fuel cell;
the oxidation chamber is used for recycling the incompletely-reacted gas in the hydrogen fuel cell and discharging the incompletely-reacted gas after oxidation reaction;
The oxidation chamber is also used for conveying heat energy generated in the oxidation reaction to the reforming chamber, and providing heat required for preparing the mixed gas for the reforming chamber.
3. The caravan energy supply system according to claim 2, characterized in that the caravan energy system further comprises a heat energy recovery device;
The heat energy recovery device is used for obtaining recovered heat energy through heat exchange with tail gas generated by the oxidation reaction, heating a clean water tank of the caravan through the recovered heat energy and providing heat energy for a fan heater of the caravan.
4. The energy supply system for a recreational vehicle according to claim 3, wherein the heat energy recovery device comprises a heat exchange module, a fresh water heating module, and a warm air module;
The heat exchange module is used for carrying out heat exchange between the extracted cooling water and tail gas generated by the oxidation reaction to obtain high-temperature cooling water;
the clear water heating module is used for introducing the high-temperature cooling water into the clear water tank and heating the water in the clear water tank through a heat exchange pipeline;
The warm air module is used for leading the high-temperature cooling water into the heat exchange core of the warm air blower to provide heat energy for the warm air blower.
5. The energy supply system for motor home according to claim 4, wherein the oxidation chamber includes a tail gas pipe for discharging tail gas in the oxidation reaction, and the heat exchange module includes an expansion kettle, a heat exchanger, a water pump, and a first temperature control switch;
The water outlet of the expansion kettle is connected with the water inlet of the heat exchanger through a pipeline, the heat exchanger is arranged in the tail gas pipeline, the water outlet of the heat exchanger is connected with the water pump through a pipeline, the water pump is electrically connected with the first end of the first temperature control switch, the second end of the first temperature control switch is electrically connected with the voltage conversion equipment, and the temperature probe of the first temperature control switch is arranged in the tail gas pipeline.
6. The caravan energy supply system of claim 5, wherein said clear water heating module comprises a heat exchange conduit, a three-way normally closed solenoid valve, and a second temperature controlled switch;
The first end of the three-way normally-closed electromagnetic valve is connected with the water pump through a pipeline, the second end of the three-way normally-closed electromagnetic valve is connected with the warm air module through a pipeline, the third end of the three-way normally-closed electromagnetic valve is connected with one end of the heat exchange pipeline through a pipeline, the heat exchange pipeline is arranged inside the clean water tank, the other end of the heat exchange pipeline is connected with the second end of the three-way normally-closed electromagnetic valve through a pipeline, the control end of the three-way normally-closed electromagnetic valve is electrically connected with the first end of the second temperature control switch, the second end of the second temperature control switch is electrically connected with the first end of the first temperature control switch, the temperature probe of the second temperature control switch is arranged inside the clean water tank, and the second end of the three-way normally-closed electromagnetic valve is a normally-closed port.
7. The caravan energy supply system of claim 6, wherein said warm air module comprises a three-way normally open solenoid valve;
The first end of the three-way normally-open electromagnetic valve is connected with the second end of the three-way normally-closed electromagnetic valve through a pipeline, the second end of the three-way normally-open electromagnetic valve is connected to the water inlet of the expansion kettle through a pipeline, the third end of the three-way normally-open electromagnetic valve is connected to one end of the heat exchange core through a pipeline, the other end of the heat exchange core is connected to the water inlet of the expansion kettle through a pipeline, and the control end of the three-way normally-open electromagnetic valve is electrically connected with the heating fan.
8. The caravan energy supply system according to claim 7, characterized in that the caravan energy supply system further comprises an inverter;
the inverter is used for being connected with commercial power to charge the storage battery.
9. The caravan energy supply system of claim 8, further comprising a touch screen and a controller;
the touch screen is used for displaying the working states of the hydrogen fuel cell, the storage battery and the inverter;
The touch screen is also used for sending a control instruction issued by a user to the controller, and controlling the hydrogen fuel cell, the storage battery and the inverter through the controller.
10. A motor home, characterized in that the motor home comprises a motor home energy supply system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410110526.9A CN117984925A (en) | 2024-01-24 | 2024-01-24 | Car as a house energy supply system and car as a house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410110526.9A CN117984925A (en) | 2024-01-24 | 2024-01-24 | Car as a house energy supply system and car as a house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117984925A true CN117984925A (en) | 2024-05-07 |
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ID=90897067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410110526.9A Pending CN117984925A (en) | 2024-01-24 | 2024-01-24 | Car as a house energy supply system and car as a house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117984925A (en) |
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2024
- 2024-01-24 CN CN202410110526.9A patent/CN117984925A/en active Pending
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