CN110758062A - Method for controlling fan of FCU radiator of hydrogen vehicle - Google Patents
Method for controlling fan of FCU radiator of hydrogen vehicle Download PDFInfo
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- CN110758062A CN110758062A CN201911056237.0A CN201911056237A CN110758062A CN 110758062 A CN110758062 A CN 110758062A CN 201911056237 A CN201911056237 A CN 201911056237A CN 110758062 A CN110758062 A CN 110758062A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 24
- 239000001257 hydrogen Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 203
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000003570 air Substances 0.000 claims description 49
- 239000000446 fuel Substances 0.000 claims description 45
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 4
- 239000012080 ambient air Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 101100189627 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PTC5 gene Proteins 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Classifications
-
- 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
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
-
- 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
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
- B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a method for controlling an FCU radiator fan of a hydrogen energy automobile, wherein the FCU radiator is positioned in a heating system of the hydrogen energy automobile, a fan is arranged in the FCU radiator and is connected with a vehicle-mounted control unit and a first water temperature sensor, and the method for controlling the FCU radiator fan by the vehicle-mounted control unit comprises the following steps: when the temperature of water flowing through the FCU radiator reaches a first preset temperature, the first water temperature sensor sends water temperature information at the moment to the vehicle-mounted control unit, the vehicle-mounted control unit starts to monitor the water temperature, an FCU radiator fan does not work temporarily, when the water temperature reaches a second preset temperature, the vehicle-mounted control unit sends a starting signal of the FCU radiator fan to the FCU radiator, the FCU radiator fan starts to run at a duty ratio of 30%, after the fan starts to work, the water temperature starts to drop, and in the process of dropping the water temperature, the FCU radiator fan continuously works until the first water temperature sensor monitors that the water temperature drops to the first preset temperature, and the vehicle-mounted control unit controls the FCU radiator fan to stop working.
Description
Technical Field
The invention relates to the field of hydrogen energy automobiles, in particular to a method for controlling an FCU radiator fan of a hydrogen energy automobile.
Background
With the development of fuel cell vehicles and the wide application of network technologies in vehicles, more and more manufacturers pay more attention to the improvement of the overall driving experience by utilizing the specific internal structure of the fuel cell vehicle, and a heating system is one of the fuel cell vehicles. However, the heating system of the current fuel cell automobile still adopts the structure of the heating system of the traditional automobile, and does not utilize the heat generated by the electricity generation of the fuel cell, if the heat generated by the electricity generation of the fuel cell can be used for heating, the heating quality can be greatly improved, the heat generation requirement of the heating system can be reduced, and the energy consumption can be saved.
Disclosure of Invention
The invention aims to solve the technical problem that the heat generated by the power generation of a fuel cell is not utilized in the conventional heating system of a fuel cell automobile, and provides a method for controlling an FCU radiator fan of a hydrogen energy automobile to solve the technical defects.
A method for controlling an FCU radiator fan of a hydrogen energy automobile comprises the following steps that the FCU radiator is located in a heating system of the hydrogen energy automobile, a fan is installed inside the FCU radiator and is connected with a vehicle-mounted control unit and a first water temperature sensor, and the method for controlling the FCU radiator fan by the vehicle-mounted control unit comprises the following steps:
when the temperature of water flowing through the FCU radiator reaches a first preset temperature, the first water temperature sensor sends water temperature information at the moment to the vehicle-mounted control unit, the vehicle-mounted control unit starts to monitor the water temperature, an FCU radiator fan does not work temporarily, when the water temperature rises continuously, the first water temperature sensor sends the continuous water temperature information to the vehicle-mounted control unit, when the water temperature reaches a second preset temperature, the vehicle-mounted control unit sends a starting signal of the FCU radiator fan to the FCU radiator, the FCU radiator fan starts to run at a duty ratio of 30%, after the fan starts to work, the water temperature starts to fall, and in the process of falling the water temperature, the FCU radiator fan works continuously until the first water temperature sensor monitors that the water temperature falls to the first preset temperature, and the vehicle-mounted control unit controls the FCU radiator fan to stop working.
Furthermore, the heating system of the hydrogen energy automobile specifically comprises an FCU radiator, an FCU fuel cell stack, a four-way water valve, a water pump, a water heating PTC, a warm air core body, a fan assembly, a first water temperature sensor, a second water temperature sensor and an expansion water tank; the FCU radiator, the FCU fuel cell stack, the expansion water tank and the first water temperature sensor are sequentially connected to form a fuel cell loop, and the water pump, the water heating PTC, the second water temperature sensor, the warm air core body and the fan assembly are sequentially connected to form a warm air loop; the four-way water valve separates the warm air loop from the fuel cell loop, the four-way water valve is provided with four water gaps of a, b, c and d to adjust the flow and the direction of cooling water, the water gaps of a and b are connected between an FCU radiator and an FCU fuel cell stack of the fuel cell loop, the water gap of c is connected to a water pump of the warm air loop, and the water gap of d is connected to a warm air core body and a fan assembly of the warm air loop;
the first water temperature sensor and the second water temperature sensor are also connected to a vehicle-mounted control unit of the hydrogen energy automobile, the first water temperature sensor is used for collecting the water temperature of the fuel cell loop in real time and feeding back the water temperature to the vehicle-mounted control unit, and the second water temperature sensor is used for collecting the water temperature of the warm air loop in real time and feeding back the water temperature to the vehicle-mounted control unit; the vehicle-mounted control unit is also connected with the four-way water valve, the water pump, the water heating PTC, the warm air core body and the fan assembly so as to control the working states of the four-way water valve, the water pump, the water heating PTC, the warm air core body and the fan assembly.
Further, the FCU radiator is a heat exchanger for dissipating heat of the system by exchange with ambient air.
Further, the FCU fuel cell stack is the main heat generating unit and power unit.
Furthermore, the four-way water valve is used for monitoring the direction and the flow of the water channel by adjusting the four water gaps a, b, c and d.
Further, the water pump is used for promoting the waterway circulation to work.
Further, the water heating PTC is used to heat the coolant by converting electric energy.
Furthermore, the warm air core body and the fan in the fan assembly send the heat in the cooling liquid to the cockpit through the warm air core body.
Furthermore, the first water temperature sensor is used for monitoring the water temperature of the fuel cell loop, and the second water temperature sensor is used for monitoring the water temperature of the warm air loop.
Further, the expansion tank is used for water replenishing and air exhausting of the whole system.
Compared with the prior art, the invention has the beneficial effects that: the invention can utilize the waste heat of the hydrogen fuel cell in the hydrogen energy automobile and the independent water heating PTC to heat the passenger compartment through the heat control under different working conditions of the whole automobile, thereby improving the driving and riding comfort of the driver and the passengers.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a structural diagram of a heating system of a hydrogen powered vehicle according to the present invention;
FIG. 2 is a schematic diagram of the control logic of the onboard control unit of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
A method for controlling an FCU radiator fan of a hydrogen energy automobile comprises the following steps that the FCU radiator is located in a heating system of the hydrogen energy automobile, a fan is installed inside the FCU radiator and is connected with a vehicle-mounted control unit and a first water temperature sensor, and the method for controlling the FCU radiator fan by the vehicle-mounted control unit comprises the following steps:
when the temperature of water flowing through an FCU radiator reaches 27 ℃, a first water temperature sensor sends water temperature information at the moment to a vehicle-mounted control unit, the vehicle-mounted control unit starts to monitor the water temperature, an FCU radiator fan does not work temporarily, when the water temperature rises continuously, the first water temperature sensor sends the continuous water temperature information to the vehicle-mounted control unit, when the water temperature reaches 30 ℃, the vehicle-mounted control unit sends a starting signal of the FCU radiator fan to the FCU radiator, the FCU radiator fan starts to run at a duty ratio of 30%, after the fan starts to work, the water temperature starts to fall, and in the process of falling the water temperature, the FCU radiator fan works continuously until the first water temperature sensor monitors that the water temperature falls to 27 ℃, and the vehicle-mounted control unit controls the FCU radiator fan to stop working.
As shown in fig. 1, the heating system of the hydrogen energy automobile comprises an FCU radiator 1, an FCU fuel cell stack 2, a four-way water valve 3, a water pump 4, a water heater PTC5, a warm air core and fan assembly 6, a first water temperature sensor 7, a second water temperature sensor 8 and an expansion water tank 9; the FCU radiator 1, the FCU fuel cell stack 2, the expansion water tank 9 and the first water temperature sensor 7 are sequentially connected to form a fuel cell loop, and the water pump 4, the water heating PTC5, the second water temperature sensor 8, the warm air core body and the fan assembly 6 are sequentially connected to form a warm air loop; the four-way water valve 3 separates the warm air loop from the fuel cell loop, the four-way water valve 3 is provided with four water ports a, b, c and d to adjust the flow and the direction of cooling water, the water ports a and b are connected between the FCU radiator 1 and the FCU fuel cell stack 2 of the fuel cell loop, the water port c is connected to the water pump 4 of the warm air loop, and the water port d is connected to the warm air core body and the fan assembly 6 of the warm air loop.
The first water temperature sensor 7 and the second water temperature sensor 8 are further connected to a vehicle-mounted control unit of the hydrogen energy automobile, the first water temperature sensor 7 is used for collecting water temperature of the fuel cell loop in real time and feeding back the water temperature to the vehicle-mounted control unit, and the second water temperature sensor 8 is used for collecting water temperature of the warm air loop in real time and feeding back the water temperature to the vehicle-mounted control unit. As shown in fig. 2, the vehicle-mounted control unit is further connected with the four-way water valve 3, the water pump 4, the water heater PTC5 and the warm air core and fan assembly 6 to control the working states of the four-way water valve 3, the water pump 4, the water heater PTC5 and the warm air core and fan assembly 6.
The FCU radiator 1 is a heat exchanger for dissipating heat of the system by exchange with ambient air. The FCU fuel cell stack 2 is the main heat generating unit and power unit. The four-way water valve 3 is used for monitoring the direction and the flow of the water channel by adjusting the four water gaps a, b, c and d. The water pump 4 is used for promoting the water circuit to work circularly. The water heating PTC5 is used to heat the coolant by converting electrical energy. The fan in the warm air core body and fan assembly 6 sends the heat in the cooling liquid to the cockpit through the warm air core body. The first water temperature sensor 7 is used to monitor the water temperature of the fuel cell circuit. The second water temperature sensor 8 is used for monitoring the water temperature of the warm air loop. The expansion tank 9 is used for water supplement and air exhaust of the whole system.
a. The winter low-temperature heating working condition is as follows:
the FCU fuel cell stack 2 starts to work, generates heat while generating electric quantity, so that the water temperature of the fuel cell loop continuously rises, and the first water temperature sensor 7 collects the water temperature of the fuel cell loop and feeds the water temperature back to the vehicle-mounted control unit. The second water temperature sensor 8 collects the water temperature of the warm air loop and feeds the water temperature back to the vehicle-mounted control unit, when the water temperature of the warm air loop is between minus 20 ℃ and minus 10 ℃, the vehicle-mounted control unit controls the water heating PTC5 and the water pump 4 to start working, the vehicle-mounted control unit controls the opening of the ports a and b of the four-way water valve 3 to be closed, the opening of the ports c and d is realized, water starts to circulate in the warm air loop, after the water temperature is increased, the second water temperature sensor 8 monitors that the current water temperature of the warm air loop reaches 50 ℃, the temperature of the water is compared with the water temperature of the fuel cell loop collected by the first water temperature sensor 7, when the water temperature of the warm air loop is higher than the water temperature of the fuel cell loop by 5 ℃, the vehicle-mounted control unit controls the water heating 5 to be closed, the opening of the ports a and b of the four-way water valve 3 to be opened, the two ports c and, the warm air and fan assembly 6 continuously supplies heat to the cockpit by means of heat generated by the FCU fuel cell stack 2.
b. Summer high-temperature working condition:
the FCU fuel cell stack 2 starts to work, heat is generated while electricity is generated, the heat is mainly dissipated through the FCU radiator 1, the vehicle-mounted control unit collects water temperature information of a fuel cell loop through the first water temperature sensor 7, when the water temperature of the fuel cell loop is higher than 60 ℃, the vehicle-mounted control unit controls four ports a, b, c and d of the four-way water valve 3 to be fully opened, meanwhile, the vehicle-mounted control unit controls the water pump 4, the water heater PTC5, the warm air and the fan assembly 6 to be out of work, it is guaranteed that no redundant hot air enters a cockpit, and therefore the temperature comfort of the cockpit is guaranteed.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A method for controlling an FCU radiator fan of a hydrogen energy automobile is characterized in that the FCU radiator is located in a heating system of the hydrogen energy automobile, a fan is mounted inside the FCU radiator and connected with a vehicle-mounted control unit and a first water temperature sensor, and the method for controlling the FCU radiator fan by the vehicle-mounted control unit comprises the following steps:
when the temperature of water flowing through the FCU radiator reaches a first preset temperature, the first water temperature sensor sends water temperature information at the moment to the vehicle-mounted control unit, the vehicle-mounted control unit starts to monitor the water temperature, an FCU radiator fan does not work temporarily, when the water temperature rises continuously, the first water temperature sensor sends the continuous water temperature information to the vehicle-mounted control unit, when the water temperature reaches a second preset temperature, the vehicle-mounted control unit sends a starting signal of the FCU radiator fan to the FCU radiator, the FCU radiator fan starts to run at a duty ratio of 30%, after the fan starts to work, the water temperature starts to fall, and in the process of falling the water temperature, the FCU radiator fan works continuously until the first water temperature sensor monitors that the water temperature falls to the first preset temperature, and the vehicle-mounted control unit controls the FCU radiator fan to stop working.
2. The method according to claim 1, wherein the heating system of the hydrogen vehicle comprises an FCU radiator, an FCU fuel cell stack, a four-way water valve, a water pump, a water heating PTC, a heater core and fan assembly, a first water temperature sensor, a second water temperature sensor and an expansion tank; the FCU radiator, the FCU fuel cell stack, the expansion water tank and the first water temperature sensor are sequentially connected to form a fuel cell loop, and the water pump, the water heating PTC, the second water temperature sensor, the warm air core body and the fan assembly are sequentially connected to form a warm air loop; the four-way water valve separates the warm air loop from the fuel cell loop, the four-way water valve is provided with four water gaps of a, b, c and d to adjust the flow and the direction of cooling water, the water gaps of a and b are connected between an FCU radiator and an FCU fuel cell stack of the fuel cell loop, the water gap of c is connected to a water pump of the warm air loop, and the water gap of d is connected to a warm air core body and a fan assembly of the warm air loop;
the first water temperature sensor and the second water temperature sensor are also connected to a vehicle-mounted control unit of the hydrogen energy automobile, the first water temperature sensor is used for collecting the water temperature of the fuel cell loop in real time and feeding back the water temperature to the vehicle-mounted control unit, and the second water temperature sensor is used for collecting the water temperature of the warm air loop in real time and feeding back the water temperature to the vehicle-mounted control unit; the vehicle-mounted control unit is also connected with the four-way water valve, the water pump, the water heating PTC, the warm air core body and the fan assembly so as to control the working states of the four-way water valve, the water pump, the water heating PTC, the warm air core body and the fan assembly.
3. The method according to claim 2, wherein the FCU radiator is a heat exchanger for dissipating heat from the system by exchange with ambient air.
4. The method according to claim 2, wherein the FCU fuel cell stack is a primary heat generating unit and a power unit.
5. The method for controlling the fan of the FCU radiator of the hydrogen vehicle as claimed in claim 2, wherein the four-way water valve is used for monitoring the direction and the flow of the water path by adjusting four water gaps a, b, c and d.
6. The method according to claim 2, wherein the water pump is used to circulate the water circuit.
7. The FCU radiator fan control method of a hydrogen powered vehicle of claim 2, wherein the water heating PTC is used to heat the coolant by converting electrical energy.
8. The method of claim 2, wherein the fan of the warm air core and the fan assembly delivers heat from the coolant to the cockpit through the warm air core.
9. The FCU radiator fan control method of claim 2, wherein the first water temperature sensor is configured to monitor the water temperature of the fuel cell circuit, and the second water temperature sensor is configured to monitor the water temperature of the warm air circuit.
10. The method according to claim 2, wherein an expansion tank is used for water charging and air discharging of the whole system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056237.0A CN110758062A (en) | 2019-10-31 | 2019-10-31 | Method for controlling fan of FCU radiator of hydrogen vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056237.0A CN110758062A (en) | 2019-10-31 | 2019-10-31 | Method for controlling fan of FCU radiator of hydrogen vehicle |
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| CN110758062A true CN110758062A (en) | 2020-02-07 |
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| CN201911056237.0A Pending CN110758062A (en) | 2019-10-31 | 2019-10-31 | Method for controlling fan of FCU radiator of hydrogen vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320443A (en) * | 2021-04-27 | 2021-08-31 | 中国汽车技术研究中心有限公司 | Fuel cell heat recovery system |
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Effective date of registration: 20210519 Address after: 046000 7th floor, block a, Yuecheng financial service center, No.36 zhuomaxi street, Changzhi City, Shanxi Province Applicant after: Zhongji hydrogen energy automobile (Changzhi) Co.,Ltd. Address before: Room 101, 1 / F, building 13, phase I, industrial incubation base, east of future third road and south of Keji fifth road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Applicant before: WUHAN LUOGEFU HYDROGEN ENERGY AUTOMOBILE Co.,Ltd. |
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Application publication date: 20200207 |
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