CN111425291A - Electric drive cooling system and method for automobile - Google Patents
Electric drive cooling system and method for automobile Download PDFInfo
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- CN111425291A CN111425291A CN202010356254.2A CN202010356254A CN111425291A CN 111425291 A CN111425291 A CN 111425291A CN 202010356254 A CN202010356254 A CN 202010356254A CN 111425291 A CN111425291 A CN 111425291A
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- electronic fan
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- fan set
- power generation
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- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010248 power generation Methods 0.000 claims abstract description 102
- 239000002918 waste heat Substances 0.000 claims abstract description 50
- 239000000110 cooling liquid Substances 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 19
- 229920002545 silicone oil Polymers 0.000 abstract description 8
- 230000002411 adverse Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 43
- 239000002826 coolant Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P2007/168—By varying the cooling capacity of a liquid-to-air heat-exchanger
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the technical field of engine cooling systems, in particular to an electric drive cooling system and method for an automobile, wherein the system comprises the following components: an electronic fan set; the temperature sensor is connected with the electronic fan set, collects the temperature of the cooling liquid and transmits the collected temperature signal to the electronic fan set to start or stop the electronic fan set; the storage battery is connected with the electronic fan set and supplies power to the electronic fan set; the system also comprises a waste heat power generation TEG system, wherein the waste heat power generation TEG system is connected with the storage battery and the electronic fan set and supplies power to the storage battery and the electronic fan set; the solar fan set is connected with the storage battery, and is used for supplying power to the storage battery and the electronic fan set. The problem that in the prior art, a silicone oil clutch fan is adopted and driven by a belt pulley, so that power consumption is high, power of an engine needs to be consumed, oil consumption is increased, and adverse effects on economy and comfort of the whole vehicle can be caused can be solved.
Description
Technical Field
The invention relates to the technical field of engine cooling systems, in particular to an electric driving cooling system and method for an automobile.
Background
Currently, with the development of automobiles towards economy and environmental protection, research, development and application of technologies such as a waste heat recovery Technology (TEG), solar power generation and a hybrid power technology are developed in whole automobiles and engine enterprises at home and abroad.
The traditional cooling system for the automobile engine consists of a water pump, a radiator, a cooling fan, a thermostat, an engine body, a cylinder cover, a water jacket and the like. The cooling fan is used for increasing the air speed and the air quantity passing through the radiator so as to improve the heat dissipation capacity of the radiator.
At present, a silicone oil clutch fan is mostly adopted as a cooling fan in a heat dissipation system of a commercial vehicle, and is driven by a belt pulley, so that the power consumption is high, the power of an engine needs to be consumed, and the oil consumption is increased. In addition, the traditional silicone oil clutch fan has large power consumption, and due to the mechanical characteristics of the fan, the response time of an electric control signal is long and the response time has large dispersion, so that the whole economy and the noise (the whole comfort) of the vehicle are adversely affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an electric drive cooling system and method for an automobile, which can solve the problems that in the prior art, a silicone oil clutch fan is adopted as a cooling fan in a heat dissipation system of a commercial vehicle, a belt pulley is adopted for driving, the power consumption is high, the power of an engine needs to be consumed, the oil consumption is increased, and the overall economy and the noise (the overall comfort) are adversely affected.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the invention provides an electric drive cooling system for a vehicle, which is characterized by comprising:
an electronic fan set;
the temperature sensor is connected with the electronic fan set and used for collecting the temperature of cooling liquid in the cooling system and transmitting a collected temperature signal to the electronic fan set to start or stop the electronic fan set;
the storage battery is connected with the electronic fan set and used for supplying power to the electronic fan set;
the waste heat power generation TEG system is connected with the storage battery and the electronic fan set and is used for supplying power to the storage battery and the electronic fan set;
and the solar power generation system is connected with the storage battery and the electronic fan set and is used for supplying power to the storage battery and the electronic fan set.
On the basis of the technical scheme, the system also comprises an ECU; and a seventh switch is arranged at the output end of the storage battery, and the seventh switch is in signal connection with the ECU and is used for controlling the connection and disconnection of the storage battery and the electronic fan set.
On the basis of the technical scheme, the method further comprises the following steps: the output end of the waste heat power generation TEG system is provided with a first power voltage monitoring unit, a second switch is arranged on a connecting circuit of the waste heat power generation TEG system and the storage battery, and a fourth switch is arranged on a connecting circuit of the waste heat power generation TEG system and the electronic fan set; a second power voltage monitoring unit is arranged at the output end of the solar power generation system, a third switch is arranged on a connecting line of the solar power generation system and the storage battery, and a fifth switch is arranged on a connecting line of the solar power generation system and the electronic fan set; the second switch, the third switch, the fourth switch, the fifth switch, the first power voltage monitoring unit and the second power voltage monitoring unit are in signal connection with the ECU, the sum of the voltage and the power of a solar power generation system of the waste heat power generation TEG system meets the required power of the electronic fan set, the ECU controls the fourth switch and the fifth switch to be closed, the seventh switch is disconnected, and when the sum of the power is greater than the set value of the required power, the second switch and the third switch are closed to charge the storage battery; and when the required power of the electronic fan set is not met, the second switch, the third switch, the fourth switch and the fifth switch are opened, and the seventh switch is closed.
On the basis of the technical scheme, a power control unit is arranged in the electronic fan set, is connected with the temperature sensor and is used for adjusting the power of the electronic fan set according to the acquired temperature signal.
On the basis of the technical scheme, the input end of the electronic fan set is also provided with a first switch.
On the basis of the technical scheme, the fan set further comprises a generator which is connected with the electronic fan set and used for supplying power to the electronic fan set.
On the basis of the technical scheme, a battery management unit is arranged in the storage battery and used for managing the electric quantity of the storage battery.
The invention also provides an electric drive cooling method for the automobile, which comprises the following steps:
s1: monitoring and acquiring the voltage and power of a waste heat power generation TEG system and a solar power generation system, and collecting the temperature of cooling liquid of an engine;
s2: judging whether the temperature of the cooling liquid is greater than a first fixed value, if so, executing step S3, and not starting the electronic fan set;
s3: judging whether the sum of the voltage and the power of a solar power generation system of the waste heat power generation TEG system meets the required power of the electronic fan set, if so, directly driving the electronic fan set by adopting the waste heat power generation TEG system and the solar power generation system, and charging the storage battery when the sum of the power of the waste heat power generation TEG system and the power of the solar power generation system is greater than the set required power; if not, the storage battery is adopted to drive the electronic fan set.
On the basis of the above technical solution, the cooling system further includes a generator and a battery management unit, and in the step S4, when the electronic fan set is driven by the storage battery, if the electric quantity of the storage battery is smaller than a set value, the electronic fan set is directly driven by the generator.
On the basis of the technical scheme, the power control unit is arranged in the electronic fan set, and the required power of the electronic fan set is adjusted according to the acquired temperature signal.
Compared with the prior art, the invention has the advantages that: when the temperature of the coolant of the engine collected by the temperature sensor is greater than a first fixed value, the electronic fan set needs to be started to dissipate heat. The electronic fan set is driven by power generation of the waste heat power generation TEG system and the solar power generation system, and when the voltage and power of the solar power generation system of the waste heat power generation TEG system are sufficient, the electronic fan set is directly driven by the waste heat power generation TEG system and the solar power generation system; when the generated power is insufficient, the storage battery is adopted to drive the electronic fan set, so that adverse effects on the economy and noise (the comfort of the whole vehicle) of the whole vehicle can be avoided when the silicone oil clutch fan is adopted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a simplified schematic illustration of an electric drive cooling system for a vehicle according to an embodiment of the present invention;
fig. 2 is a detailed schematic view of an electric drive cooling system for a vehicle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a simplified schematic diagram of an electric drive cooling system for a vehicle according to an embodiment of the present invention, and as shown in fig. 1, the present invention provides an electric drive cooling system for a vehicle, including: an electronic fan set; the temperature sensor is connected with the electronic fan set and used for collecting the temperature of cooling liquid in the cooling system and transmitting collected temperature signals to the electronic fan set to start and stop the electronic fan set; the storage battery is connected with the electronic fan set and used for supplying power to the electronic fan set; the system also comprises a waste heat power generation TEG system, wherein the waste heat power generation TEG system is connected with the storage battery and the electronic fan set and supplies power to the storage battery and the electronic fan set; the solar fan set is connected with the storage battery, and the solar power generation system is connected with the electronic fan set and supplies power to the storage battery and the electronic fan set.
When the electric drive cooling system for the automobile is used, when the temperature of the coolant of the engine collected by the temperature sensor is greater than a first fixed value, the electronic fan set needs to be started to dissipate heat. The electronic fan set is driven by power generation of the waste heat power generation TEG system and the solar power generation system, and when the voltage and power of the solar power generation system of the waste heat power generation TEG system are sufficient, the electronic fan set is directly driven by the waste heat power generation TEG system and the solar power generation system; when the generated power is insufficient, the storage battery is adopted to drive the electronic fan set, so that adverse effects on the economy and noise (the comfort of the whole vehicle) of the whole vehicle can be avoided when the silicone oil clutch fan is adopted.
In this embodiment, the first fixed value is the temperature at which the engine coolant needs to be cooled.
Fig. 2 is a detailed schematic view of an electric drive cooling system for a vehicle according to an embodiment of the present invention. As shown in fig. 2, preferably, the system further includes an ECU; and a seventh switch is arranged at the output end of the storage battery, and the seventh switch is in signal connection with the ECU and is used for controlling the connection and disconnection between the storage battery and the electronic fan set.
In the embodiment, the ECU controls the seventh switch to be opened and closed, so that when the power generation power of the waste heat power generation TEG system and the solar power generation system is insufficient, the seventh switch is closed to charge the storage battery for the electronic fan set; when the power is sufficient, the waste heat power generation TEG system and the solar power generation system directly charge the electronic fan set.
Preferably, the output end of the waste heat power generation TEG system is provided with a first power voltage monitoring unit, a second switch is arranged on a connecting circuit of the waste heat power generation TEG system and the storage battery, and a fourth switch is arranged on a connecting circuit of the waste heat power generation TEG system and the electronic fan set; the output end of the solar power generation system is provided with a second power voltage monitoring unit, a third switch is arranged on a connecting line of the solar power generation system and the storage battery, and a fifth switch is arranged on a connecting line of the solar power generation system and the electronic fan set; the second switch, the third switch, the fourth switch, the fifth switch, the first power voltage monitoring unit and the second power voltage monitoring unit are in signal connection with the ECU, the sum of the voltage and the power of a solar power generation system of the waste heat power generation TEG system meets the required power of the electronic fan set, the ECU controls the fourth switch and the fifth switch to be closed, the seventh switch is opened and closed, the waste heat power generation TEG system and the solar power generation system are adopted to directly drive the electronic fan set, and when the sum of the power of the waste heat power generation TEG system and the power of the solar power generation system is larger than the set value of the required power, the second switch and the third switch are closed to charge the storage battery; and when the required power of the electronic fan set is not met, the second switch, the third switch, the fourth switch and the fifth switch are disconnected, the seventh switch is closed, and the storage battery is adopted to drive the electronic fan set.
In the embodiment, a first power voltage monitoring unit is arranged at the output end of the waste heat power generation TEG system, a second switch is arranged on a connecting circuit of the waste heat power generation TEG system and the storage battery, and a fourth switch is arranged on a connecting circuit of the waste heat power generation TEG system and the electronic fan set; the output end of the solar power generation system is provided with a second power voltage monitoring unit, a third switch is arranged on a connecting circuit of the solar power generation system and the storage battery, and a fifth switch is arranged on a connecting circuit of the solar power generation system and the electronic fan set; the second switch, the third switch, the fourth switch, the fifth switch, the first power voltage monitoring unit and the second power voltage monitoring unit are all in signal connection with the ECU. The sum of the voltage and the power of a solar power generation system of the waste heat power generation TEG system can meet the required power of the electronic fan set, the ECU controls the fourth switch and the fifth switch to be closed, the seventh switch is opened or closed, the waste heat power generation TEG system and the solar power generation system are adopted to directly drive the electronic fan set, and the second switch and the third switch are closed to charge the storage battery when the sum of the power of the waste heat power generation TEG system and the power of the solar power generation system is greater than the required power set value; and when the required power of the electronic fan set is not met, the second switch, the third switch, the fourth switch and the fifth switch are disconnected, the seventh switch is closed, and the storage battery is adopted to drive the electronic fan set. The adverse effects on the economy and noise (the comfort of the whole vehicle) of the whole vehicle can be avoided when the silicone oil clutch fan is adopted. And can save electric power and store redundant electric energy.
Preferably, a power control unit is arranged in the electronic fan set, and the power control unit is connected with the temperature sensor and used for adjusting the power of the electronic fan set according to the acquired temperature signal.
In the embodiment, the power control unit and the temperature sensor are both connected with the ECU, and the ECU can enable the power control unit to adjust the power of the electronic fan set according to the temperature of the cooling liquid of the engine collected by the temperature sensor, so that the engine can be better temperature-controlled, and the temperature of the engine can be reduced.
Preferably, the input end of the electronic fan set is further provided with a first switch. In this embodiment, the first switch is disposed at the input end of the electronic fan set, so that the electronic fan set can be turned off according to the requirement, and the electric energy is saved.
Preferably, the system further comprises a generator connected to the electronic fan assembly for supplying power to the electronic fan assembly. In the embodiment, the generator is also in signal connection with the ECU, the generator is connected with the electronic fan set, and the generator can be used for supplying power to the electronic fan set when the storage battery, the residual heat power generation TEG system and the solar power generation system cannot drive the electronic fan set, so that the coolant of the engine is ensured to be in a set range.
Preferably, a battery management unit is arranged in the storage battery and used for managing the electric quantity of the storage battery. In the embodiment, the battery management unit is also in signal connection with the ECU, and when the electric quantity of the storage battery is too low, the storage battery is disconnected from supplying power to the outside so as to protect the storage battery.
The invention also provides an electric drive cooling method for the automobile, which comprises the following steps:
s1: monitoring and acquiring the voltage and power of a waste heat power generation TEG system and a solar power generation system, and collecting the temperature of cooling liquid;
s2: judging whether the temperature of the cooling liquid is greater than a first fixed value, if so, executing step S3, and not starting the electronic fan set;
s3: judging whether the sum of the voltage and the power of a solar power generation system of the waste heat power generation TEG system meets the required power of the electronic fan set, if so, directly driving the electronic fan set by adopting the waste heat power generation TEG system and the solar power generation system, and charging a storage battery when the sum of the power of the waste heat power generation TEG system and the power of the solar power generation system is greater than the set value of the required power; if not, the storage battery is adopted to drive the electronic fan set.
When the method is used, when the temperature of the coolant of the engine collected by the temperature sensor is greater than a first fixed value, the electronic fan set needs to be started to radiate. The electronic fan set is driven by power generation of the waste heat power generation TEG system and the solar power generation system, and when the voltage and power of the solar power generation system of the waste heat power generation TEG system are sufficient, the electronic fan set is directly driven by the waste heat power generation TEG system and the solar power generation system; when the generated power is insufficient, the storage battery is adopted to drive the electronic fan set, so that adverse effects on the economy and noise (the comfort of the whole vehicle) of the whole vehicle can be avoided when the silicone oil clutch fan is adopted.
Preferably, the cooling system further includes a generator and a battery management unit, and in the step S4, when the electronic fan set is driven by the storage battery, if the electric quantity of the storage battery is less than a set value, the electronic fan set is directly driven by the generator.
In this embodiment, when the battery capacity is less than 30%, the generator is used to directly drive the electronic fan set, and when the battery capacity is sufficient, the battery is used to charge.
Preferably, a power control unit is arranged in the electronic fan set, and the required power of the electronic fan set is adjusted according to the acquired temperature signal.
In the embodiment, the power control unit and the temperature sensor are both connected with the ECU, and the ECU can enable the power control unit to adjust the power of the electronic fan set according to the temperature of the cooling liquid of the engine collected by the temperature sensor, so that the engine can be better temperature-controlled, and the temperature of the engine can be reduced.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electric drive cooling system for a vehicle, comprising:
an electronic fan set;
the temperature sensor is connected with the electronic fan set and used for collecting the temperature of cooling liquid in the cooling system and transmitting a collected temperature signal to the electronic fan set to start or stop the electronic fan set;
the storage battery is connected with the electronic fan set and used for supplying power to the electronic fan set;
the waste heat power generation TEG system is connected with the storage battery and the electronic fan set and is used for supplying power to the storage battery and the electronic fan set;
and the solar power generation system is connected with the storage battery and the electronic fan set and is used for supplying power to the storage battery and the electronic fan set.
2. An electric drive cooling system for a motor vehicle as set forth in claim 1, further comprising an ECU; and a seventh switch is arranged at the output end of the storage battery, and the seventh switch is in signal connection with the ECU and is used for controlling the connection and disconnection of the storage battery and the electronic fan set.
3. An electric drive cooling system for a vehicle as set forth in claim 2, further comprising: the output end of the waste heat power generation TEG system is provided with a first power voltage monitoring unit, a second switch is arranged on a connecting circuit of the waste heat power generation TEG system and the storage battery, and a fourth switch is arranged on a connecting circuit of the waste heat power generation TEG system and the electronic fan set; a second power voltage monitoring unit is arranged at the output end of the solar power generation system, a third switch is arranged on a connecting line of the solar power generation system and the storage battery, and a fifth switch is arranged on a connecting line of the solar power generation system and the electronic fan set; the second switch, the third switch, the fourth switch, the fifth switch, the first power voltage monitoring unit and the second power voltage monitoring unit are in signal connection with the ECU, the sum of the voltage and the power of a solar power generation system of the waste heat power generation TEG system meets the required power of the electronic fan set, the ECU controls the fourth switch and the fifth switch to be closed, the seventh switch is disconnected, and when the sum of the power is greater than the set value of the required power, the second switch and the third switch are closed to charge the storage battery; and when the required power of the electronic fan set is not met, the second switch, the third switch, the fourth switch and the fifth switch are opened, and the seventh switch is closed.
4. An electric drive cooling system for motor vehicles as claimed in claim 1, characterized in that a power control unit is provided in the electronic fan assembly, which is connected to the temperature sensor and is used to adjust the power of the electronic fan assembly as a function of the detected temperature signal.
5. The electric drive cooling system for a vehicle of claim 1, wherein the input of the electric fan assembly further comprises a first switch.
6. An electric drive cooling system for a motor vehicle as set forth in claim 1 or 2, further comprising a generator connected to said electric fan assembly for supplying power to said electric fan assembly.
7. An electric drive cooling system for motor vehicles as claimed in claim 7, characterized in that a battery management unit is provided in the battery for managing the charge of the battery.
8. A method for applying an electric drive cooling system for a motor vehicle according to claim 1, characterized by the steps of:
s1: monitoring and acquiring the voltage and power of a waste heat power generation TEG system and a solar power generation system, and collecting the temperature of cooling liquid of an engine;
s2: judging whether the temperature of the cooling liquid is greater than a first fixed value, if so, executing step S3, and not starting the electronic fan set;
s3: judging whether the sum of the voltage and the power of a solar power generation system of the waste heat power generation TEG system meets the required power of the electronic fan set, if so, directly driving the electronic fan set by adopting the waste heat power generation TEG system and the solar power generation system, and charging the storage battery when the sum of the power of the waste heat power generation TEG system and the power of the solar power generation system is greater than the set required power; if not, the storage battery is adopted to drive the electronic fan set.
9. The electric drive cooling method for a vehicle of claim 8, wherein the cooling system further comprises a generator and a battery management unit, and in step S4, when the electric fan set is driven by the battery, if the battery capacity is less than a set value, the electric fan set is directly driven by the generator.
10. The electric drive cooling method for motor vehicles as defined in claim 8, wherein a power control unit is provided in said electronic fan assembly, and the power demand of said electronic fan assembly is adjusted according to the collected temperature signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356254.2A CN111425291A (en) | 2020-04-29 | 2020-04-29 | Electric drive cooling system and method for automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010356254.2A CN111425291A (en) | 2020-04-29 | 2020-04-29 | Electric drive cooling system and method for automobile |
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| CN111425291A true CN111425291A (en) | 2020-07-17 |
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| CN105275627A (en) * | 2015-05-26 | 2016-01-27 | 龙口中宇热管理系统科技有限公司 | Intelligent hybrid power type thermal management system of automobile |
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| CN212614990U (en) * | 2020-04-29 | 2021-02-26 | 东风商用车有限公司 | Electric drive cooling system for automobile |
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2020
- 2020-04-29 CN CN202010356254.2A patent/CN111425291A/en active Pending
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|---|---|---|---|---|
| US4677941A (en) * | 1984-08-07 | 1987-07-07 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Electrical cooling fan |
| CN102281025A (en) * | 2011-08-08 | 2011-12-14 | 武汉理工大学 | Thermoelectric conversion automotive power supply system using waste heat from automobile exhaust and control method thereof |
| CN105275627A (en) * | 2015-05-26 | 2016-01-27 | 龙口中宇热管理系统科技有限公司 | Intelligent hybrid power type thermal management system of automobile |
| CN106965645A (en) * | 2017-05-25 | 2017-07-21 | 天津商业大学 | Engine exhaust heat reclaims the refrigerated air-conditioning system generated electricity with solar association |
| CN212614990U (en) * | 2020-04-29 | 2021-02-26 | 东风商用车有限公司 | Electric drive cooling system for automobile |
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Application publication date: 20200717 |