CN112078322A - Heat supply system for fuel cell vehicle and fuel cell vehicle - Google Patents

Heat supply system for fuel cell vehicle and fuel cell vehicle Download PDF

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Publication number
CN112078322A
CN112078322A CN201910511470.7A CN201910511470A CN112078322A CN 112078322 A CN112078322 A CN 112078322A CN 201910511470 A CN201910511470 A CN 201910511470A CN 112078322 A CN112078322 A CN 112078322A
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CN
China
Prior art keywords
heat exchange
exchange water
water path
heater
path
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Pending
Application number
CN201910511470.7A
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Chinese (zh)
Inventor
薛坤
赵宏建
刘乃胜
靳旭
孙凯民
王峰军
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Beiqi Foton Motor Co Ltd
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Beiqi Foton Motor Co Ltd
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Publication date
Application filed by Beiqi Foton Motor Co Ltd filed Critical Beiqi Foton Motor Co Ltd
Priority to CN201910511470.7A priority Critical patent/CN112078322A/en
Publication of CN112078322A publication Critical patent/CN112078322A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
    • B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
    • B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

The application discloses heating system and fuel cell car for fuel cell car, heating system includes: the electric heating water heater comprises an electric pile, a fan heater and a heater, wherein a heat exchange water path of the electric pile, a heat exchange water path of the fan heater and a heat exchange water path of the heater are connected in parallel, and any two of the heat exchange water path of the electric pile, the heat exchange water path of the fan heater and the heat exchange water path of the heater can be selectively communicated. The application discloses a heating system for fuel cell car, the heat transfer water route of pile, heater all with the heat transfer water route of electric fan heater, can select the heating method of electric fan heater according to the operation mode of fuel cell car, utilize the heat energy that the pile produced effectively, reduce whole car use cost, improve continuation of the journey mileage.

Description

Heat supply system for fuel cell vehicle and fuel cell vehicle
Technical Field
The application relates to the technical field of vehicle manufacturing, in particular to a heat supply system for a fuel cell vehicle and the fuel cell vehicle with the heat supply system.
Background
The current fuel cell technology is the latest technology of new energy automobiles, is consistently recognized and greatly supported by governments and folks of main countries in China and the world, and becomes an important direction for the current and future automobile development. In the related art, the new energy automobile adopts an independent heater, the heater is heated by consuming the electric energy of the whole automobile to supply heat for a fan heater of an air conditioning system, the heater consumes a large amount of electric energy, the use cost of an air conditioner is increased, heat energy generated by a fuel system of the automobile during working is taken away by a cooling system and tail gas to cause a large amount of heat loss, and an improved space exists.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. To this end, an object of the present application is to provide a heating system for a fuel cell vehicle capable of effectively utilizing heat generated from a fuel system by selecting a heating source of an air conditioning system according to an operation state of the vehicle.
A heating system for a fuel cell vehicle according to an embodiment of the present application includes: the electric heating water heater comprises an electric pile, a fan heater and a heater, wherein a heat exchange water path of the electric pile, a heat exchange water path of the fan heater and a heat exchange water path of the heater are connected in parallel, and any two of the heat exchange water path of the electric pile, the heat exchange water path of the fan heater and the heat exchange water path of the heater can be selectively communicated.
According to the heating system for the fuel cell vehicle, the heat exchange water path of the electric pile and the heat exchange water path of the heater are both connected with the heat exchange water path of the warm air blower, the heating mode of the warm air blower can be selected according to the operation mode of the fuel cell vehicle, heat energy generated by the electric pile is effectively utilized, the use cost of the whole vehicle is reduced, and the endurance mileage is improved.
According to the heating system for the fuel cell vehicle, the heating system has a first working mode, a second working mode and a third working mode, in the first working mode, the electric pile does not work, the fan heater and the heater are both in working states, a heat exchange water path of the fan heater is connected with a heat exchange water path of the heater, and the heat exchange water path of the fan heater is disconnected with the heat exchange water path of the electric pile; in a second working mode, the heater does not work, the fan heater and the electric pile are both in working states, a heat exchange waterway of the fan heater is connected with a heat exchange waterway of the electric pile, and the heat exchange waterway of the fan heater is disconnected with the heat exchange waterway of the heater; in a third working mode, the electric pile, the fan heater and the heater are all in working states, a heat exchange waterway of the fan heater is connected with a heat exchange waterway of the heater, and the heat exchange waterway of the fan heater is disconnected with the heat exchange waterway of the electric pile.
A heating system for a fuel cell vehicle according to an embodiment of the present application, further includes: the outlet end of the heat exchange water path of the electric pile is communicated with the first main path, and the heat exchange water path of the fan heater and the heat exchange water path of the heater can be selectively communicated with the first main path; and the inlet end of a heat exchange waterway of the electric pile is communicated with the second main path, and the heat exchange waterway of the warm air blower and the heat exchange waterway of the heater are selectively communicated with the second main path.
A heating system for a fuel cell vehicle according to an embodiment of the present application, further includes: the inlet end of the first branch is communicated with the first main path, and the outlet end of the first branch is selectively communicated with the inlet end of the heat exchange waterway of the fan heater.
According to an embodiment of the present application, the heating system for a fuel cell vehicle includes a first three-way valve, a second three-way valve, a first control valve and a second control valve, the first three-way valve is used for connecting an inlet end of a heat exchange waterway of the heater unit with the first main passage, the second three-way valve is used for connecting an outlet end of the heat exchange waterway of the heater unit with the second main passage, the first control valve is used for selectively connecting an inlet end of the heat exchange waterway of the heater unit with the first main passage, and the second control valve is used for selectively connecting an outlet end of the heat exchange waterway of the heater unit with the second main passage.
A heating system for a fuel cell vehicle according to an embodiment of the present application, further includes: a radiator, the first control valve for selectively connecting an inlet end of a heat exchange waterway of the radiator to the first main path, the second control valve for selectively connecting an outlet end of the heat exchange waterway of the radiator to the second main path.
A heating system for a fuel cell vehicle according to an embodiment of the present application, further includes: the inlet end of a heat exchange water path of the intercooler is communicated with the first main path, the outlet end of the heat exchange water path of the intercooler is communicated with the second main path, and a first electromagnetic valve is arranged in the heat exchange water path of the intercooler.
A heating system for a fuel cell vehicle according to an embodiment of the present application, further includes: the heat exchange water path of the intercooler is connected with the heat exchange water path of the galvanic pile and the heat exchange water path of the heater in parallel, and a first electromagnetic valve is arranged in the heat exchange water path of the intercooler; the heat exchange water path of the radiator can be selectively communicated with the heat exchange water path of the electric pile; the inlet end of the first branch is communicated with the outlet end of a heat exchange water path of the electric pile, the outlet end of the first branch is communicated with the inlet end of the heat exchange water path of the fan heater, and a second electromagnetic valve is arranged in the first branch; the electric heating fan is characterized in that a third electromagnetic valve is arranged in a heat exchange water path of the electric heating fan, the third electromagnetic valve is arranged at the inlet end of the heat exchange water path of the electric heating fan, a fourth electromagnetic valve is arranged in a heat exchange water path of the electric pile, and the fourth electromagnetic valve is arranged at the inlet end of the heat exchange water path of the electric pile.
According to the heating system for the fuel cell vehicle, the heat exchange water path of the fan heater is connected with the heat exchange water path of the power battery in parallel.
According to the heating system for the fuel cell vehicle of an embodiment of the application, the entry end in heat transfer water route of electric fan heater with the entry end switch-on in heat transfer water route of power battery, the exit end in heat transfer water route of electric fan heater with the exit end switch-on in heat transfer water route of power battery.
A heating system for a fuel cell vehicle according to an embodiment of the present application, further includes: the inlet end of the first side of the heat exchanger is communicated with the inlet end of the heat exchange water path, the outlet end of the first side of the heat exchanger is communicated with the outlet end of the heat exchange water path, and the second side of the heat exchanger is communicated with the heat exchange water path of the power battery.
The application also provides a fuel cell vehicle.
According to the fuel cell vehicle of the embodiment of the present application, the heat supply system for the fuel cell vehicle described in any one of the above embodiments is provided.
The advantages of the fuel cell vehicle and the heating system are the same compared with the prior art, and are not described again.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a heating system according to an embodiment of the present application (first operation mode);
fig. 2 is a schematic view of the construction of a heating system according to another embodiment of the present application (second mode of operation);
fig. 3 is a schematic structural view of a heating system according to yet another embodiment of the present application (third operation mode);
fig. 4 is a schematic structural diagram of a heating system according to yet another embodiment of the present application (power cell heat exchange);
fig. 5 is a schematic structural diagram of a heating system according to another embodiment of the present application (power battery, heat exchanger exchange).
Reference numerals:
the heating system (100) is provided with,
the system comprises a galvanic pile 11, a power battery 12, a heat exchanger 13, a warm air blower 14, an intercooler 15, a heater 16, a radiator 17,
a first solenoid valve 21, a second solenoid valve 22, a third solenoid valve 23, a fourth solenoid valve 24, a fifth solenoid valve 25, a sixth solenoid valve 26,
the flow rate of the first control valve 31, the second control valve 32,
a first three-way valve 41, a second three-way valve 42, a third three-way valve 43, a fourth three-way valve 44, a fifth three-way valve 45, a sixth three-way valve 46, a seventh three-way valve 47,
a first four-way valve 51, a second four-way valve 52,
a water pump 61, a flowmeter 62, a water replenishing tank 63 and a deionization tank 64.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
Referring to fig. 1 to 5, a heating system 100 for a fuel cell vehicle according to an embodiment of the present application will be described, in which a heating water path of a stack 11 and a heat exchange water path of a heater 16 of a fuel system of the heating system 100 are selectively connected to a heat exchange water path of an air heater 14, so that a heat source of the air heater 14 can be selected according to a power output mode of the vehicle, thereby greatly improving an energy utilization rate of the fuel cell in winter, reducing power consumption of the system, increasing usage cost of the entire vehicle, and improving endurance mileage.
As shown in fig. 1 to 5, a heating system 100 for a fuel cell vehicle according to an embodiment of the present application includes: a stack 11, a fan heater 14 and a heater 16.
The electric pile 11 is the electric energy output device of fuel cell system, and at the in-process of the operation of electric pile 11, can produce a large amount of heat energy, from this, the electric pile 11 is equipped with the heat transfer water route that is used for cooling heat transfer, and the heat transfer water route of electric pile 11 is used for carrying the heat energy that the electric pile 11 produced to outside heat-radiating equipment, or can carry the heating system 100 for whole car to realize the effective utilization of heat energy, promote the economic performance of whole car.
The heater unit 14 is a heat dissipating device of an air conditioning system of a vehicle, and is used to release heat to an interior space of the vehicle, and a user can turn on the heater unit 14 according to actual needs to improve the temperature in the vehicle. And the warm air blower 14 has a heat exchange waterway for connection with a heat source. When the fuel system operates, the heat exchange waterway of the fan heater 14 can be connected with the heat exchange waterway of the electric pile 11 so as to convey heat generated by the electric pile 11 to the air conditioning system, and the heat is diffused to the space in the vehicle through the fan heater 14, so that the heat utilization rate of the whole vehicle is improved.
The heater 16 is used for providing heat energy to the warm air blower 14, the heater 16 may be made of a ceramic heating element, and the heater 16 has a heat exchange water path for exchanging heat with the warm air blower 14, whereby the heater 16 may provide heat energy to the warm air blower 14. In this way, when the temperature in the vehicle is too low and the fuel system is in a non-operating state, the heat exchange water path of the heater 16 and the heat exchange water path of the warm air blower 14 can be communicated to provide heat energy for the warm air blower 14.
As shown in fig. 1 and 2, the heat exchange water path of the electric pile 11, the heat exchange water path of the fan heater 14 and the heat exchange water path of the heater 16 are connected in parallel in pairs, that is, the heat exchange water path of the electric pile 11 is connected in parallel with the heat exchange water path of the fan heater 14, and the heat exchange water path of the heater 16 is connected in parallel with the heat exchange water path of the fan heater 14, so that a heat exchange medium exchanging heat with the electric pile 11 can flow into the heat exchange water path of the fan heater 14 to provide heat for the fan heater 14, as shown in fig. 1 to 5, an outlet end of the heat exchange water path of the heater 16 is connected with an inlet end of the fan heater 14, and an inlet end of the heat exchange water path of the heater 16 is connected with an outlet end of the fan heater 14, so that when the heat exchange water path.
Any two of the heat exchange water path of the electric pile 11, the heat exchange water path of the warm air blower 14 and the heat exchange water path of the heater 16 can be selectively connected, that is, the heat exchange water path of the electric pile 11 can be selectively connected with the heat exchange water path of the warm air blower 14, and the heat exchange water path of the heater 16 can be selectively connected with the heat exchange water path of the warm air blower 14.
As shown in fig. 3, an outlet end of the heat exchange water path of the heater 16 is connected to an inlet end of the heat exchange water path of the heater 14, and an inlet end of the heat exchange water path of the heater 16 is connected to an outlet end of the heat exchange water path of the heater 14, so that the heat exchange water path of the heater 16 and the heat exchange water path of the heater 14 form a communicated circulation loop, and a heat exchange medium heated by the heater 16 can flow into the heater 14 to exchange heat with the heater 14, thereby realizing heat transfer.
As shown in fig. 4, an outlet end of the heat exchange water path of the electric pile 11 is connected to an inlet end of the heat exchange water path of the fan heater 14, so that heat generated by the electric pile 11 can be transferred to a pipeline inside the fan heater 14 through the heat exchange water path of the electric pile 11 and the heat exchange water path of the fan heater 14, and further heat is provided to the fan heater 14.
As shown in fig. 1, 2 and 3, the heating system 100 has a first, a second and a third operation mode.
As shown in fig. 1, in the first operating mode, the electric pile 11 does not operate, the heater unit 14 and the heater 16 are both in an operating state, that is, the fuel cell system does not operate, the vehicle is in a pure electric operating state, the heater 16 outputs heat energy, the heat exchange water path of the heater unit 14 is connected to the heat exchange water path of the heater 16, and the heat exchange water path of the heater unit 14 is disconnected from the heat exchange water path of the electric pile 11. In this way, the heater 16 is used as a heat source of the warm air blower 14, and the heater 16 is a device controlled independently, and can be started at any time according to the heating requirement of the warm air blower 14, so that the requirement on the use environment is low, the flexibility and the reliability are better, and the use is convenient.
In the second working mode, the heater 16 does not work, the fan heater 14 and the electric pile 11 are both in working states, the electric energy generated by the running of the electric pile 11 is used for driving the vehicle to run, a large amount of heat energy is generated in the running process of the electric pile 11, and the heater 16 has no heat output. At this time, the heat exchange waterway of the warm air blower 14 is connected with the heat exchange waterway of the electric pile 11, the heat exchange waterway of the warm air blower 14 is disconnected with the heat exchange waterway of the heater 16, and the heat energy generated by the electric pile 11 is transmitted to the internal pipeline of the warm air blower 14 through the heat exchange waterway, so that the heat energy generated by the electric pile 11 is used as the heat source of the warm air blower 14, the heat energy generated by the electric pile 11 is effectively utilized to supply heat to the interior of the vehicle, the waste of the heat energy is avoided, the use cost of the whole vehicle is reduced, the endurance.
In a third working mode, the electric pile 11, the warm air blower 14 and the heater 16 are all in working states, and heat energy generated by the electric pile 11 is insufficient to meet the heating requirement of the air conditioning system, at the moment, a heat exchange water path of the warm air blower 14 is connected with a heat exchange water path of the heater 16, the heat exchange water path of the warm air blower 14 is disconnected with the heat exchange water path of the electric pile 11, heat energy generated by the heater 16 is used for supplying heat to the warm air blower 14, and in a low-power idling working condition or a low-temperature starting stage, the heat exchange water path of the heater 16 can be connected with the heat exchange water path of the electric pile 11 to supply heat to the electric pile 11 to.
Therefore, the heat source of the warm air blower 14 can be flexibly selected according to the running state of the vehicle, so that the warm air blower 14 runs with better economic performance, the heat energy generated by the electric pile 11 is effectively utilized, and the energy efficiency utilization rate and the economic performance of the whole vehicle are improved.
According to the heating system 100 for the fuel cell vehicle, the heat exchange water path of the electric pile 11 and the heat exchange water path of the heater 16 are both connected with the heat exchange water path of the warm air blower 14, the heating mode of the warm air blower 14 can be selected according to the operation mode of the fuel cell vehicle, the heat energy generated by the electric pile 11 is effectively utilized, the use cost of the whole vehicle is reduced, and the endurance mileage is improved.
In some embodiments, as shown in fig. 1-5, the heating system 100 further comprises: a first main road and a second main road.
As shown in fig. 1, an outlet end of a heat exchange water path of the electric pile 11 is connected to a first main path, a heat exchange water path of the heater unit 14 and a heat exchange water path of the heater 16 are connected to the first main path, and the first main path may be selectively connected to the heat exchange water path of the heater unit 14 and the heat exchange water path of the heater 16.
As shown in fig. 1, the heating system 100 includes a first three-way valve 41 and a first control valve 31, the first three-way valve 41 is used to connect an inlet end of a heat exchange waterway of the fan heater 14 with a first main path, as shown in fig. 1, three ports of the first three-way valve 41 are connected, two ports of the first three-way valve 41 are connected with the first main path, and a third port of the first three-way valve 41 is connected with an outlet end of the heat exchange waterway of the fan heater 14. The first control valve 31 is used for selectively connecting the inlet end of the heat exchange waterway of the heater 16 with the first main path, the first control valve 31 has three ports, any two of the three ports of the first control valve 31 can be selectively connected, the two ports of the first control valve 31 are communicated with the first main path, and the third port of the first control valve 31 is communicated with the inlet end of the heat exchange waterway of the heater 16, thereby, the first control valve 31 can be manually or automatically adjusted to connect the two ports of the first control valve 31 with the third port, and further adjust the on-off state of the inlet end of the heat exchange waterway of the heater 16 and the first main path.
As shown in fig. 1, an inlet end of the heat exchange waterway of the electric pile 11 is connected to a second main path, the heat exchange waterway of the heater unit 14 and the heat exchange waterway of the heater 16 are connected to the second main path, and the second main path may be selectively connected to the heat exchange waterway of the heater unit 14 and the heat exchange waterway of the heater 16.
As shown in fig. 1, the heating system 100 further includes a second three-way valve 42 and a second control valve 32, the second three-way valve 42 is used for connecting an outlet end of the heat exchange water path of the fan heater 14 with the second main path, three ports of the second three-way valve 42 are connected, two ports of the second three-way valve 42 are connected with the second main path, and a third port of the second three-way valve 42 is connected with an inlet end of the heat exchange water path of the fan heater 14. The second control valve 32 is configured to selectively connect the outlet end of the heat exchange water path of the heater 16 to the second main path, the second control valve 32 has three ports, any two of the three ports of the second control valve 32 are selectively connected, the two ports of the second control valve 32 are communicated with the second main path, and the third port of the second control valve 32 is communicated with the outlet end of the heater 16, so that the second control valve 32 can be manually or automatically adjusted to connect the two ports of the second control valve 32 to the third port, and further adjust the on-off state of the outlet end of the heat exchange water path of the heater 16 and the second main path. A fourth electromagnetic valve 24 is arranged in the heat exchange system of the electric pile 11, the fourth electromagnetic valve 24 is arranged at the inlet end of the heat exchange water path of the electric pile 11, and the fourth electromagnetic valve 24 is used for controlling the on-off state between the second main path and the heat exchange water path of the electric pile 11.
As shown in fig. 1, 2 and 3, the heating system 100 further includes a first branch, an inlet end of the first branch is communicated with the first main path, as shown in fig. 3, the first main path is further provided with a third three-way valve 43, two ports of the third three-way valve 43 are communicated with the first main path, a third port of the third three-way valve 43 is communicated with an inlet end of the first branch, an outlet end of the first branch is selectively communicated with an inlet end of a heat exchange waterway of the warm air blower 14, as shown in fig. 3, the first branch is provided with a second electromagnetic valve 22, and the second electromagnetic valve 22 is used for controlling an on-off state of the first branch, so as to selectively communicate the first main path with the inlet end of the heat exchange waterway of the warm air blower 14 through the first branch, so that heat energy generated by the electric pile 11 is conveyed to the warm air blower 14, thereby achieving effective utilization.
As shown in fig. 1, 2 and 3, a fourth three-way valve 44 is disposed in a heat exchange water path of the fan heater 14, wherein as shown in fig. 3, a first port of the fourth three-way valve 44 is communicated with the first branch path, a second port of the fourth three-way valve 44 is communicated with the second main path, and a third port of the fourth three-way valve 44 is connected with an inlet end of an internal pipeline of the fan heater 14, so that a heat exchange medium in the first branch path can flow into the heat exchange water path of the fan heater 14 through the fourth three-way valve 44, and further, heat generated by the stack 11 is transferred to the fan heater 14. As shown in fig. 3, a third electromagnetic valve 23 is disposed in the heat exchange water path of the fan heater 14, the third electromagnetic valve 23 is disposed at an inlet end of the heat exchange water path of the fan heater 14, and the third electromagnetic valve 23 is located between a third port of the fourth three-way valve 44 and an inlet end of an internal pipeline of the fan heater 14, so as to facilitate an on-off state of the heat exchange water path of the fan heater 14. Of course, when the vehicle does not need the air conditioner for heating, the third electromagnetic valve 23 may be closed to disconnect the heat exchange water path of the heater unit 14.
As shown in fig. 1 to 5, the heating system 100 further includes a radiator 17, a heat exchange water path of the radiator 17 is selectively connectable with a heat exchange water path of the electric pile 11, the first control valve 31 is configured to selectively connect an inlet end of the heat exchange water path of the radiator 17 with a first main path, as shown in fig. 1, a first port of the first control valve 31 is communicated with the first main path, a second port of the first control valve 31 is communicated with the heat exchange water path of the heater 16, a third port of the first control valve 31 is communicated with the heat exchange water path of the radiator 17, and the second control valve 32 is configured to selectively connect an outlet end of the heat exchange water path of the radiator 17 with a second main path. As shown in fig. 1, the first port of the second control valve 32 communicates with the second main passage, the second port of the second control valve 32 communicates with the heat exchange water passage of the heater 16, and the third port of the second control valve 32 communicates with the heat exchange water passage of the radiator 17, whereby the communication states of the heat exchange water passage of the cell stack 11, the heat exchange water passage of the heater 16, and the heat exchange water passage of the radiator 17 can be switched by controlling the communication states of the respective ports of the first control valve 31 and the second control valve 32.
One of the first control valve 31 and the second control valve 32 is a thermostat, the other of the first control valve 31 and the second control valve 32 is an electric reversing valve, and switching of the on-off states of the heat exchange water path of the stack 11, the heat exchange water path of the heater 16 and the heat exchange water path of the radiator 17 can be achieved by controlling one of the first control valve 31 and the second control valve 32, and the control modes of the first control valve 31 and the second control valve 32 are flexible and selectable, for example, the first control valve 31 is a thermostat, the second control valve 32 is an electric reversing valve, the first control valve 31 can be manually controlled, and the electric reversing valve can be automatically controlled, so that switching is convenient and easy to achieve.
As shown in fig. 1, 2 and 3, the heating system 100 further includes: and an intercooler 15.
As shown in fig. 1, an inlet end of a heat exchange water path of the intercooler 15 is connected to the first main path, an outlet end of the heat exchange water path of the intercooler 15 is connected to the second main path, the second main path is provided with a fifth three-way valve 45, two ports of the fifth three-way valve 45 are connected to the second main path, and a third port of the fifth three-way valve 45 is connected to the outlet end of the heat exchange water path of the intercooler 15. From this, the heat transfer water route of intercooler 15 is parallelly connected with the heat transfer water route of galvanic pile 11, and the heat energy that galvanic pile 11 produced can be used to intercooler 15 and external equipment to carry out the heat transfer, and as shown in fig. 1, the heat transfer water route of intercooler 15 is parallelly connected with the heat transfer water route of heater 16, and like this, the heat energy that heater 16 produced can be used to intercooler 15 and external equipment to carry out the heat transfer, and from this, realize the use of the multiple route of the heat energy that galvanic pile 11, heater 16 produced, reinforcing heating system 100's practicality.
Wherein, be equipped with first solenoid valve 21 in the heat transfer water route of intercooler 15, first solenoid valve 21 is used for controlling the break-make in heat transfer water route of intercooler 15 to according to the user demand of reality, select the operating condition of intercooler 15 in a flexible way.
As shown in fig. 1 to 5, a water pump 61 and a flow meter 62 are arranged in the first main path, an outlet end of the water pump 61 is connected with an inlet end of the flow meter 62, the water pump 61 is used for driving a heat exchange medium in the heating system 100 to circularly flow so that the heat exchange medium carries heat to be transported to each heat exchange device, the flow meter 62 is used for detecting flow of the heat exchange medium in the first main path, so as to control the rotation speed of the water pump 61 according to actual flow requirements of the heating system 100, thereby meeting heat exchange requirements, and the heat exchange water path of the electric pile 11 and the heat exchange water path of the heater 16 share the water pump 61 and the flow meter 62, thereby reducing the number of devices and lowering use.
As shown in fig. 1, a first four-way valve 51 is disposed in the first main path, a first port of the first four-way valve 51 is communicated with one port of the first three-way valve 41, a second port of the first four-way valve 51 is communicated with an outlet end of a heat exchange water path of the intercooler 15, a third port of the first four-way valve 51 is communicated with an inlet end of the water pump 61, as shown in fig. 1, a fourth port of the first four-way valve 51 is communicated with an external water replenishing tank 63, and the water replenishing tank 63 is used for replenishing water to the heating system 100, so that the heating system 100 has stable and sufficient heat exchange media, and the continuous and stable operation of the heating system 100 is ensured. As shown in fig. 1, a deionization tank 64 is disposed between the water replenishing tank 63 and the radiator 17 to reduce the ion content in the heat exchange medium.
A state in which the heating system 100 for a fuel cell vehicle of the embodiment of the present application is in the first operation mode is described below with reference to fig. 1.
As shown in fig. 1, in the first operation mode, the stack 11 does not operate, the fourth electromagnetic valve 24 is closed (closed state), the heat exchange medium in the heat exchange water path of the stack 11 does not circulate, and both the warm air blower 14 and the heater 16 are in the operation state, that is, the fuel cell system does not operate, and the vehicle is in the pure electric operation state.
At this time, the first port of the first control valve 31 is communicated with the first main passage, the second port of the first control valve 31 is communicated with the heat exchange water passage of the heater 16, the first port and the second port of the first control valve 31 are disconnected from the third port, the first port of the second control valve 32 is communicated with the second main passage, the second port of the second control valve 32 is disconnected from the heat exchange water passage of the heater 16, the first branch passage is disconnected, the first solenoid valve 21, the second solenoid valve 22 and the fourth solenoid valve 24 are all disconnected (closed state), and the third solenoid valve 23 is connected (open state).
In this way, the heater 16 outputs heat energy, the heat exchange water path of the warm air blower 14 is connected with the heat exchange water path of the heater 16, and the heat exchange water path of the warm air blower 14 is disconnected with the heat exchange water path of the electric pile 11. In this way, the heater 16 is used as a heat source of the warm air blower 14, and the heater 16 is a device controlled independently, and can be started at any time according to the heating requirement of the warm air blower 14, so that the requirement on the use environment is low, the flexibility and the reliability are better, and the use is convenient.
A state in which the heating system 100 for a fuel cell vehicle of the embodiment of the present application is in the second operation mode will be described below with reference to fig. 2.
As shown in fig. 1, in the second operation mode, the heater 16 does not operate, the fan heater 14 and the stack 11 are both in the operating state, the third electromagnetic valve 23 and the fourth electromagnetic valve 24 are both open (passage state), and the heat exchange medium in the heat exchange water path of the stack 11 circulates.
At this time, the first port of the first control valve 31 is communicated with the first main path, the third port of the first control valve 31 is communicated with the heat exchange water path of the radiator 17, and the first port and the third port of the first control valve 31 are disconnected from the second port, the heat exchange medium in the heat exchange water path of the heater 16 does not flow, the first port of the second control valve 32 is communicated with the second main path, the third port of the second control valve 32 is communicated with the heat exchange water path of the radiator 17, the first solenoid valve 21, the second solenoid valve 22, the third solenoid valve 23, and the fourth solenoid valve 24 are all opened, and the first branch is in a passage state.
Thus, a large amount of heat energy is generated during the operation of the stack 11, and the heater 16 has no heat output. At this time, a heat exchange water path of the warm air blower 14 is connected with a heat exchange water path of the electric pile 11, the heat exchange water path of the warm air blower 14 is disconnected with a heat exchange water path of the heater 16, heat energy generated by the electric pile 11 is conveyed to an internal pipeline of the warm air blower 14 through the heat exchange water path and flows to the intercooler 15 and the radiator 17 for heat exchange, therefore, heat energy generated by the electric pile 11 is used as a heat source of the warm air blower 14, heat energy generated by the electric pile 11 is effectively utilized to supply heat to the interior of a vehicle, waste of heat energy is avoided, use cost of the whole vehicle is reduced, endurance mileage is.
A state in which the heating system 100 for a fuel cell vehicle of the embodiment of the present application is in the third operation mode is described below with reference to fig. 3.
As shown in fig. 1, in the third operation mode, the stack 11, the heater unit 14 and the heater 16 are all in operation, and the heat exchange medium in the heat exchange water path of the heater 16 circulates.
At this time, the first port, the third port and the second port of the first control valve 31 are connected in pairs, the first port, the third port and the second port of the second control valve 32 are connected in pairs, the first electromagnetic valve 21 and the third electromagnetic valve 23 are both opened, the first branch is in a passage state, and the second electromagnetic valve 22 is in a disconnection state.
The electric pile 11, the warm air blower 14 and the heater 16 are all in working states, and heat energy generated by the electric pile 11 is insufficient to meet the heating requirement of an air conditioning system, at the moment, a heat exchange water path of the warm air blower 14 is connected with a heat exchange water path of the heater 16, the heat exchange water path of the warm air blower 14 is disconnected with the heat exchange water path of the electric pile 11, heat energy generated by the heater 16 is fully utilized to supply heat to the warm air blower 14 and the intercooler 15, and in a low-power idling working condition or a low-temperature starting stage, the heat exchange water path of the heater 16 can be connected with the heat exchange water path of the electric pile 11, so that the fuel system can be ensured to.
In some embodiments, the heat exchange water path of the warm air blower 14 is connected in parallel with the heat exchange water path of the power battery 12, so that the heat energy generated by the electric pile 11 and the heat energy generated by the heater 16 can be used for supplying heat to the warm air blower 14 and also can be used for heating the power battery 12. It should be noted that, because the temperature of the power battery 12 is low in winter, the charging and discharging are limited by power, and the performance output is seriously affected. The power battery 12 can be heated through a parallel pipeline, and the charging and discharging power of the power battery 12 and the power output of the whole vehicle are improved.
In one embodiment, as shown in fig. 4, the inlet end of the heat exchange water path of the warm air blower 14 is communicated with the inlet end of the heat exchange water path of the power battery 12, the outlet end of the heat exchange water path of the warm air blower 14 is communicated with the outlet end of the heat exchange water path of the power battery 12, the warm air blower 14 is connected with the power battery 12 in parallel, as shown in fig. 4, a second four-way valve 52 is disposed between the third solenoid valve 23 and the second three-way valve 42, two of four ports of the second four-way valve 52 are respectively connected to the inlet end of the heat exchange water path of the warm air blower 14 and the inlet end of the heat exchange water path of the power battery 12, and as shown in fig. 4, a fifth electromagnetic valve 25 is provided in the heat exchange water path of the power battery 12, and the fifth electromagnetic valve 25 is used for controlling the on-off state of the heat exchange water path of the power battery 12, so that, when the power battery 12 does not need to be heated and the warm air blower 14 needs to supply heat, the fifth electromagnetic valve 25 is closed.
As shown in fig. 4, the first main path is provided with a sixth three-way valve 46, two ports of the sixth three-way valve 46 are communicated with the second main path, and a third port of the sixth three-way valve 46 is communicated with an outlet end of the heat exchange water path of the power battery 12.
In another embodiment, as shown in fig. 5, the heating system 100 further includes: the heat exchanger 13, the entry end of the first side of heat exchanger 13 and the entry end switch-on in heat transfer water route, the exit end of the first side of heat exchanger 13 and the exit end switch-on in heat transfer water route, heat exchanger 13 and electric fan heater 14 are parallelly connected, the second side of heat exchanger 13 and the switch-on in heat transfer water route of power battery 12, the heat transfer medium in the heat transfer water route of power battery 12 can carry out the heat transfer with the heat transfer medium in the heat transfer water route of the first side of heat exchanger 13 to realize the effect that power battery 12 heats.
As shown in fig. 5, a sixth electromagnetic valve 26 is disposed in the heat exchange water path of the heat exchanger 13, and the sixth electromagnetic valve 26 is used for controlling the on-off state of the heat exchange water path of the heat exchanger 13, so that when the power battery 12 does not need to be heated and the fan heater 14 needs to supply heat, the fifth electromagnetic valve 25 is closed. In this way, the warm air blower 14 can supply heat in the pure electric mode and the fuel cell working mode, and similarly, the power cell 12 can also heat in the various modes.
As shown in fig. 5, the first main path is provided with a seventh three-way valve 47, two ports of the seventh three-way valve 47 are communicated with the second main path, and a third port of the seventh three-way valve 47 is communicated with the outlet end of the first side of the heat exchanger 13.
The application also provides a fuel cell vehicle.
According to the fuel cell vehicle of the embodiment of the application, the heat supply system 100 for the fuel cell vehicle of any one of the embodiments is arranged, heat energy generated by the fuel cell system is effectively utilized, the economic performance of the whole vehicle is greatly improved, and the endurance mileage is improved.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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 the application. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A heating system (100) for a fuel cell vehicle, comprising: the electric heating fan comprises an electric pile (11), a warm air blower (14) and a heater (16), wherein a heat exchange water path of the electric pile (11), a heat exchange water path of the warm air blower (14) and a heat exchange water path of the heater (16) are connected in parallel in pairs, and any two of the heat exchange water path of the electric pile (11), the heat exchange water path of the warm air blower (14) and the heat exchange water path of the heater (16) can be selectively communicated.
2. The heating system (100) for a fuel cell vehicle according to claim 1, wherein the heating system (100) has a first, a second, and a third operation mode,
in a first working mode, the electric pile (11) does not work, the warm air blower (14) and the heater (16) are both in a working state, a heat exchange water path of the warm air blower (14) is connected with a heat exchange water path of the heater (16), and the heat exchange water path of the warm air blower (14) is disconnected with the heat exchange water path of the electric pile (11);
in a second working mode, the heater (16) does not work, the fan heater (14) and the electric pile (11) are both in working states, a heat exchange water path of the fan heater (14) is connected with a heat exchange water path of the electric pile (11), and the heat exchange water path of the fan heater (14) is disconnected with the heat exchange water path of the heater (16);
in a third working mode, the electric pile (11), the warm air blower (14) and the heater (16) are all in working states, a heat exchange water path of the warm air blower (14) is communicated with a heat exchange water path of the heater (16), and the heat exchange water path of the warm air blower (14) is communicated with the heat exchange water path of the electric pile (11).
3. The heating system (100) for a fuel cell vehicle according to claim 1, further comprising:
a first main path, wherein the outlet end of the heat exchange water path of the electric pile (11) is communicated with the first main path, and the heat exchange water path of the warm air blower (14), the heat exchange water path of the heater (16) and the first main path can be selectively communicated;
and the inlet end of a heat exchange water path of the electric pile (11) is communicated with the second main path, and the heat exchange water path of the warm air blower (14), the heat exchange water path of the heater (16) and the second main path can be selectively communicated.
4. The heating system (100) for a fuel cell vehicle according to claim 3, further comprising: the inlet end of the first branch is communicated with the first main path, and the outlet end of the first branch is selectively communicated with the inlet end of a heat exchange water path of the fan heater (14).
5. The heating system (100) for a fuel cell vehicle according to claim 3, wherein the first three-way valve (41) is used to connect an inlet end of a heat exchange water path of the heater unit (14) with the first main path, the second three-way valve (42) is used to connect an outlet end of a heat exchange water path of the heater unit (14) with the second main path, the first control valve (31) is used to selectively connect an inlet end of a heat exchange water path of the heater (16) with the first main path, and the second control valve (32) is used to selectively connect an outlet end of a heat exchange water path of the heater (16) with the second main path.
6. The heating system (100) for a fuel cell vehicle according to claim 5, further comprising: a radiator (17), the first control valve (31) being for selectively connecting an inlet end of a heat exchange water circuit of the radiator (17) with the first main circuit, the second control valve (32) being for selectively connecting an outlet end of a heat exchange water circuit of the radiator (17) with the second main circuit.
7. The heating system (100) for a fuel cell vehicle according to claim 3, further comprising: the device comprises an intercooler (15), wherein the inlet end of a heat exchange water path of the intercooler (15) is communicated with the first main path, the outlet end of the heat exchange water path of the intercooler (15) is communicated with the second main path, and a first electromagnetic valve (21) is arranged in the heat exchange water path of the intercooler (15).
8. The heating system (100) for a fuel cell vehicle according to claim 1, further comprising:
the heat exchange water path of the intercooler (15) is connected with the heat exchange water path of the electric pile (11) and the heat exchange water path of the heater (16) in parallel, and a first electromagnetic valve (21) is arranged in the heat exchange water path of the intercooler (15);
a radiator (17), wherein a heat exchange water path of the radiator (17) can be selectively communicated with a heat exchange water path of the electric pile (11);
the inlet end of the first branch is communicated with the outlet end of a heat exchange water path of the electric pile (11), the outlet end of the first branch is communicated with the inlet end of the heat exchange water path of the fan heater (14), and a second electromagnetic valve (22) is arranged in the first branch; wherein
Be equipped with third solenoid valve (23) in the heat transfer water route of electric fan heater (14), third solenoid valve (23) are located the entry end in the heat transfer water route of electric fan heater (14), be equipped with fourth solenoid valve (24) in the heat transfer water route of pile (11), fourth solenoid valve (24) are located the entry end in the heat transfer water route of pile (11).
9. The heating system (100) for a fuel cell vehicle according to any one of claims 1 to 8, wherein the heat exchange water circuit of the warm air blower (14) is connected in parallel with the heat exchange water circuit of the power battery (12).
10. The heating system (100) for a fuel cell vehicle according to claim 9, wherein an inlet end of a heat exchange water path of the heater unit (14) is communicated with an inlet end of a heat exchange water path of the power battery (12), and an outlet end of the heat exchange water path of the heater unit (14) is communicated with an outlet end of the heat exchange water path of the power battery (12).
11. The heating system (100) for a fuel cell vehicle according to claim 9, further comprising: the inlet end of the first side of the heat exchanger (13) is communicated with the inlet end of the heat exchange water path, the outlet end of the first side of the heat exchanger (13) is communicated with the outlet end of the heat exchange water path, and the second side of the heat exchanger (13) is communicated with the heat exchange water path of the power battery (12).
12. A fuel cell vehicle, characterized in that a heat supply system (100) for a fuel cell vehicle according to any one of claims 1 to 11 is provided.
CN201910511470.7A 2019-06-13 2019-06-13 Heat supply system for fuel cell vehicle and fuel cell vehicle Pending CN112078322A (en)

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CN201910511470.7A CN112078322A (en) 2019-06-13 2019-06-13 Heat supply system for fuel cell vehicle and fuel cell vehicle

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Application publication date: 20201215