CN111845255A - Control method and system for blower in electric vehicle - Google Patents
Control method and system for blower in electric vehicle Download PDFInfo
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- CN111845255A CN111845255A CN202010474367.2A CN202010474367A CN111845255A CN 111845255 A CN111845255 A CN 111845255A CN 202010474367 A CN202010474367 A CN 202010474367A CN 111845255 A CN111845255 A CN 111845255A
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00828—Ventilators, e.g. speed control
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Abstract
The invention discloses a control method and a system of an air blower in an electric vehicle, wherein the control method comprises the following steps: acquiring a first temperature value in the vehicle through a temperature sensor in the vehicle; acquiring a second temperature value of the PTC in the vehicle; and calculating an actual blower rotating speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, and controlling the blower to work according to the actual blower rotating speed value, wherein the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower. The control method of the blower in the electric vehicle is unified, the actual blower rotating speed value is calculated more accurately, the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower, the control precision is higher, the control effect is good, and the comfort level of a passenger compartment is improved.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a control method and a control system of an air blower in an electric vehicle.
Background
With the rapid improvement of the living standard of people, automobiles become one of indispensable transportation tools for people to go out, freight transportation and the like. Meanwhile, in the face of the increasingly serious problems of energy shortage and environmental deterioration, the pure electric vehicle has the advantages of low energy consumption, zero emission, low noise, high energy utilization rate, simple structure, easiness in maintenance and the like, is widely concerned, and is the development direction of the automobile industry at present.
The air blower is an important component of an air conditioning system in the electric vehicle, and the working condition of the air blower directly influences the driving experience of a driver and passengers. In the prior art, the control method standards of the blowers in each host factory are not uniform, and the problem of poor control precision exists, so that the comfort degree of a passenger compartment is influenced.
Disclosure of Invention
Therefore, the invention aims to provide a control method of an air blower in an electric vehicle, so as to solve the problems of non-uniform standard and poor control precision of the control method in the prior art.
According to the present invention, there is provided a method for controlling a blower in an electric vehicle, comprising:
acquiring a first temperature value in the vehicle through a temperature sensor in the vehicle;
acquiring a second temperature value of the PTC in the vehicle;
and calculating an actual blower rotating speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, and controlling the blower to work according to the actual blower rotating speed value, wherein the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower.
According to the control method of the blower in the electric vehicle, provided by the invention, the control method of the blower in the electric vehicle is unified. And the actual blower rotating speed value is calculated according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, the calculation of the actual blower rotating speed value is more accurate, the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower, the control precision is higher, the control effect is good, and the comfort level of the passenger compartment is improved.
In addition, according to the method for controlling the blower in the electric vehicle of the present invention, the following additional features may be provided:
further, in the step of calculating the actual blower rotation speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, the actual blower rotation speed value is calculated according to the following formula:
BlowerSpeed＝Abs(IntTmpCtr-IntAirTmp)*BlmPropGain+Abs(ProgNo-BlmIntNuetral)*BlmIntGain+BlmIntMinCalc；
wherein, BlowerSpeed is the actual blower speed value, Abs is the blower comfort coefficient, IntTmpTr is the vehicle indoor temperature control target value, IntAirTmp is the first temperature value, BlmPropGain is the proportional term control coefficient, ProgNo is the blower speed adjustment parameter, BlmIntNuetral is the environment term median parameter, BlmIntGain is the environment term coefficient, and BlmIntMinCalc is the minimum human comfort wind speed value parameter.
Further, the first temperature value is an average value of the temperature values in the vehicle obtained by the temperature sensor in the vehicle for a plurality of times.
Further, the control method further includes:
when the vehicle is in cold start, the air blowing module of the air conditioner blows feet, or blows feet for defrosting or defrosting, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value, the air blower is controlled to blow air at the first working voltage;
And when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is greater than or equal to the first temperature threshold value, the vehicle quits the cold start of the air blower.
Further, the control method further includes:
when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value, the air blower is controlled to blow air at the first working voltage;
when the vehicle is cold started, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the calibration value of the outdoor environment temperature, the second temperature value is greater than or equal to the first temperature threshold value and is less than or equal to a second time temperature threshold value, the blower is controlled to adjust the upper limit value of the working voltage of the blower according to the second temperature value and a preset voltage adjusting table, and the second time temperature threshold value is greater than the first temperature threshold value;
and when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the vehicle is judged to be in winter according to the outdoor environment temperature calibration value, and the second temperature value is greater than the second temperature threshold value, the vehicle is quitted from the cold start of the air blower.
In addition, another object of the present invention is to provide a control system for an air blower in an electric vehicle, so as to solve the problems of non-uniform control method and poor control accuracy in the prior art.
According to the present invention, there is provided a control system for a blower in an electric vehicle, comprising:
the first acquisition module is used for acquiring a first temperature value in the vehicle through a temperature sensor in the vehicle;
the second acquisition module is used for acquiring a second temperature value of the PTC in the vehicle;
and the first control module is used for calculating an actual blower rotating speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm and controlling the blower to work according to the actual blower rotating speed value, wherein the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower.
According to the control system of the blower in the electric vehicle, provided by the invention, the control method of the blower in the electric vehicle is unified, and the control system firstly obtains a first temperature value in the vehicle through the temperature sensor in the vehicle. And the actual blower rotating speed value is calculated according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, the calculation is more accurate, the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower, the control precision is higher, the control effect is good, and the comfort level of the passenger compartment is improved.
In addition, the control system of the blower in the electric vehicle according to the present invention may further have the following additional technical features:
further, the first control module is configured to calculate an actual blower speed value according to:
BlowerSpeed＝Abs(IntTmpCtr-IntAirTmp)*BlmPropGain+Abs(ProgNo-BlmIntNuetral)*BlmIntGain+BlmIntMinCalc；
wherein, BlowerSpeed is the actual blower speed value, Abs is the blower comfort coefficient, IntTmpTr is the vehicle indoor temperature control target value, IntAirTmp is the first temperature value, BlmPropGain is the proportional term control coefficient, ProgNo is the blower speed adjustment parameter, BlmIntNuetral is the environment term median parameter, BlmIntGain is the environment term coefficient, and BlmIntMinCalc is the minimum human comfort wind speed value parameter.
Further, the first temperature value is an average value of the temperature values in the vehicle obtained by the temperature sensor in the vehicle for a plurality of times.
Further, the control system further includes:
the second control module is used for controlling the air blower to blow air at the first working voltage when the vehicle is in cold start, the air blowing mode of the air conditioner blows feet or blows feet for defrosting or defrosting, and the air blowing mode is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value;
and the third control module is used for exiting the cold vehicle starting of the air blower when the vehicle is in cold starting, the air conditioner blows the air to defrost or defrost feet, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is greater than or equal to the first temperature threshold value.
Further, the control system further includes:
the fourth control module is used for controlling the air blower to blow air at the first working voltage when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value;
the fifth control module is used for controlling the air blower to adjust the upper limit value of the working voltage of the air blower according to the second temperature value and a preset voltage adjusting table when the vehicle is in cold start, the air blowing mode of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the calibration value of the outdoor environment temperature, and the second temperature value is greater than or equal to the first temperature threshold value and is less than or equal to a second time temperature threshold value which is greater than the first temperature threshold value;
and the sixth control module is used for exiting the cold start of the air blower when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, and the vehicle is judged to be in winter according to the outdoor environment temperature calibration value, and the second temperature value is greater than the second temperature threshold value.
Drawings
The above and/or additional aspects and advantages of embodiments of the present invention 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 flowchart of a control method of a blower fan in an electric vehicle according to a first embodiment of the present invention.
Fig. 2 is a block diagram of a control system of a blower fan in an electric vehicle according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
Referring to fig. 1, a method for controlling a blower in an electric vehicle according to a first embodiment of the present invention includes steps S101 to S103.
S101, obtaining a first temperature value in the vehicle through a temperature sensor in the vehicle.
The first temperature value is specifically an average value of the temperature values in the vehicle obtained by the temperature sensor in the vehicle for a plurality of times.
S102, acquiring a second temperature value of the PTC in the vehicle.
S103, calculating an actual blower rotating speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, and controlling the blower to work according to the actual blower rotating speed value, wherein the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower.
Specifically, the actual blower speed value is calculated according to the following formula:
BlowerSpeed＝Abs(IntTmpCtr-IntAirTmp)*BlmPropGain+Abs(ProgNo-BlmIntNuetral)*BlmIntGain+BlmIntMinCalc；
wherein BlowerSpeed is the actual blower speed value; abs is a blower comfort coefficient, which can be adjusted to control the comfort of the blower; IntTmpCtr is a control target value of the temperature in the vehicle room, and can be adjusted according to different data of target temperature adjusted by a user; IntAirTmp is the first temperature value; BlmPropGain is a proportional term control coefficient, and the control quantity of parameters in the whole operation is changed; ProgNo is a blower rotation speed adjusting parameter which can be adjusted to optimize the rotation speed of the blower; BlmIntNuetral is a median parameter of the environmental term, specifically the control quantity change of the environmental parameter in operation; BlmIntGain is an environment term coefficient which is used for coefficient adjustment of environment parameter operation; BlmIntMinCalc is the minimum wind speed value parameter of human comfort and is a comfort parameter adjustment coefficient.
Further, as a specific example, the control method of the present embodiment further includes:
when the vehicle is in cold start, the air conditioner blows the air to defrost or blow feet, and the vehicle is judged to be in summer or spring and autumn (for example, the outdoor environment temperature calibration value is more than or equal to 15 ℃, and the vehicle is judged to be in summer or spring and autumn) according to the outdoor environment temperature calibration value, and the second temperature value is smaller than a first temperature threshold value, the blower is controlled to blow air at a first working voltage, the first temperature threshold value is 50 ℃ for example, and the first working voltage is 5V for example, namely when the PTC temperature is less than 50 ℃, the blower blows air at the 5V working voltage;
When the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is greater than or equal to the first temperature threshold value, the cold vehicle exiting the air blower is started, namely the PTC temperature is greater than or equal to 50 ℃, and the cold vehicle exiting the air blower is started.
The control method of the embodiment further includes:
when the vehicle is cold started, the air conditioner blows the air to the air blowing module to blow feet or blow feet to defrost or defrost, and the vehicle is judged to be in winter according to the outdoor environment temperature calibration value (for example, the outdoor environment temperature calibration value is less than 15 ℃, and the vehicle is judged to be in winter), and the second temperature value is less than the first temperature threshold value, the blower is controlled to blow air at the first working voltage, namely when the PTC temperature is less than 50 ℃, the blower blows air at the 5V working voltage;
when the vehicle is cold started, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the calibration value of the outdoor environment temperature, the second temperature value is greater than or equal to the first temperature threshold value and is less than or equal to a second time temperature threshold value, the blower is controlled to adjust the upper limit value of the working voltage of the blower according to the second temperature value and a preset voltage adjusting table, the second time temperature threshold value is greater than the first temperature threshold value, the second time temperature threshold value is 61 ℃ for example, namely when the PTC temperature is greater than or equal to 50 ℃ and less than or equal to 61 ℃, the upper limit value of the working voltage of the blower is obtained according to the interpolation of the PTC temperature and the voltage adjusting table adjusting blower, and an exemplary voltage adjusting table is as follows:
And when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the vehicle is judged to be in winter according to the outdoor environment temperature calibration value, and the second temperature value is greater than the second temperature threshold value, the vehicle is quitted from the cold start of the air blower. That is, when the PTC temperature is > 61 ℃, the cold start of the blower is exited.
By adopting the control method of the air blower during the cold start of the vehicle, the energy consumption during the use of the air blower can be reduced through actual measurement.
In addition, the method for controlling the blower provided by the embodiment further includes blower voltage slope control, specifically:
when the automatic control is carried out, the blower slowly rises/falls at the speed of 5 percent;
the air volume is manually controlled to be instantly changed from 0-1 gear, and then the air volume can be continuously increased to a higher gear after at least 2 seconds;
when the air volume is manually controlled to be increased from 1 gear to 8 gears, the change interval time between the two gears is 0.7 s; when the air quantity is decreased progressively from 8-1 gear, the change interval time between two gears is 0.3 s.
Through the control of the voltage slope of the air blower, the NVH noise can be reduced, and the comfort level of passengers is further improved
In summary, according to the method for controlling the blower in the electric vehicle provided by the embodiment, a method for controlling the blower in the electric vehicle is unified, and the method for controlling the blower in the electric vehicle first obtains a first temperature value in the vehicle through an in-vehicle temperature sensor. And the actual blower rotating speed value is calculated according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, the calculation is more accurate, the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower, the control precision is higher, the control effect is good, and the comfort level of the passenger compartment is improved.
Referring to fig. 2, a second embodiment of the present invention provides a control system for a blower in an electric vehicle, based on the same inventive concept, including:
the first acquisition module 11 is used for acquiring a first temperature value in the vehicle through a temperature sensor in the vehicle;
a second obtaining module 12, configured to obtain a second temperature value of the PTC in the vehicle;
and the first control module 13 is configured to calculate an actual blower rotation speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, and control the blower to work according to the actual blower rotation speed value, where the actual blower rotation speed value is a percentage of a maximum blower rotation speed.
In this embodiment, the first control module 13 is configured to calculate an actual blower speed value according to the following formula:
BlowerSpeed＝Abs(IntTmpCtr-IntAirTmp)*BlmPropGain+Abs(ProgNo-BlmIntNuetral)*BlmIntGain+BlmIntMinCalc；
wherein, BlowerSpeed is the actual blower speed value, Abs is the blower comfort coefficient, IntTmpTr is the vehicle indoor temperature control target value, IntAirTmp is the first temperature value, BlmPropGain is the proportional term control coefficient, ProgNo is the blower speed adjustment parameter, BlmIntNuetral is the environment term median parameter, BlmIntGain is the environment term coefficient, and BlmIntMinCalc is the minimum human comfort wind speed value parameter.
In this embodiment, the first temperature value is an average value of temperature values in the vehicle obtained by the in-vehicle temperature sensor for a plurality of times.
In this embodiment, the control system further includes:
the second control module 14 is configured to control the air blower to blow air at the first working voltage when the vehicle is cold started, the air blowing module of the air conditioner blows feet, or blows feet for defrosting or defrosting, and the outdoor environment temperature calibration value is determined as summer or spring and autumn, and the second temperature value is smaller than the first temperature threshold value;
and the third control module 15 is used for exiting the cold start of the air blower when the vehicle is in cold start, the air conditioner blows the air to blow feet or blow feet to defrost or defrost, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is greater than or equal to the first temperature threshold value.
In this embodiment, the control system further includes:
the fourth control module 16 is configured to control the air blower to blow air at the first working voltage when the vehicle is cold started, the air blowing module of the air conditioner blows air to blow feet or to defrost or defrost feet, and the air blowing module is determined to be in winter according to the calibration value of the outdoor environment temperature, and the second temperature value is smaller than the first temperature threshold;
The fifth control module 17 is configured to, when the vehicle is cold started, and the air of the air conditioner blowing module blows feet or blows feet for defrosting or defrosting, and the vehicle is determined to be in winter according to the outdoor environment temperature calibration value, and the second temperature value is greater than or equal to the first temperature threshold value and is less than or equal to a second time temperature threshold value, control the air blower to adjust the upper limit value of the operating voltage of the air blower according to the second temperature value and a preset voltage adjustment table, where the second time temperature threshold value is greater than the first temperature threshold value;
and the sixth control module 18 is used for exiting the cold start of the air blower when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, and the vehicle is judged to be in winter according to the outdoor environment temperature calibration value, and the second temperature value is greater than the second temperature threshold value.
According to the control system of the blower in the electric vehicle provided by the embodiment, the control method of the blower in the electric vehicle is unified, and the control system firstly acquires a first temperature value in the vehicle through the in-vehicle temperature sensor. And the actual blower rotating speed value is calculated according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, the calculation is more accurate, the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower, the control precision is higher, the control effect is good, and the comfort level of the passenger compartment is improved.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit of a logic gate circuit specifically used for realizing a logic function for a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. 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 invention 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 invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A control method of a blower in an electric vehicle, characterized by comprising:
acquiring a first temperature value in the vehicle through a temperature sensor in the vehicle;
acquiring a second temperature value of the PTC in the vehicle;
and calculating an actual blower rotating speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm, and controlling the blower to work according to the actual blower rotating speed value, wherein the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower.
2. The method as claimed in claim 1, wherein the step of calculating the actual blower rotation speed value based on the first temperature value, the second temperature value, and a preset air conditioner controller algorithm calculates the actual blower rotation speed value according to the following equation:
BlowerSpeed＝Abs(IntTmpCtr-IntAirTmp)*BlmPropGain+Abs(ProgNo-BlmIntNuetral)*BlmIntGain+BlmIntMinCalc；
wherein, BlowerSpeed is the actual blower speed value, Abs is the blower comfort coefficient, IntTmpTr is the vehicle indoor temperature control target value, IntAirTmp is the first temperature value, BlmPropGain is the proportional term control coefficient, ProgNo is the blower speed adjustment parameter, BlmIntNuetral is the environment term median parameter, BlmIntGain is the environment term coefficient, and BlmIntMinCalc is the minimum human comfort wind speed value parameter.
3. The method of controlling the blower in the electric vehicle according to claim 1 or 2, wherein the first temperature value is an average value of the in-vehicle temperature values obtained by the in-vehicle temperature sensor several times.
4. The control method of the blower in the electric vehicle according to claim 1, further comprising:
when the vehicle is in cold start, the air blowing module of the air conditioner blows feet, or blows feet for defrosting or defrosting, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value, the air blower is controlled to blow air at the first working voltage;
and when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is greater than or equal to the first temperature threshold value, the vehicle quits the cold start of the air blower.
5. The control method of the blower in the electric vehicle according to claim 4, further comprising:
when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value, the air blower is controlled to blow air at the first working voltage;
When the vehicle is cold started, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the calibration value of the outdoor environment temperature, the second temperature value is greater than or equal to the first temperature threshold value and is less than or equal to a second time temperature threshold value, the blower is controlled to adjust the upper limit value of the working voltage of the blower according to the second temperature value and a preset voltage adjusting table, and the second time temperature threshold value is greater than the first temperature threshold value;
and when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the vehicle is judged to be in winter according to the outdoor environment temperature calibration value, and the second temperature value is greater than the second temperature threshold value, the vehicle is quitted from the cold start of the air blower.
6. A control system for a blower in an electric vehicle, comprising:
the first acquisition module is used for acquiring a first temperature value in the vehicle through a temperature sensor in the vehicle;
the second acquisition module is used for acquiring a second temperature value of the PTC in the vehicle;
and the first control module is used for calculating an actual blower rotating speed value according to the first temperature value, the second temperature value and a preset air conditioner controller algorithm and controlling the blower to work according to the actual blower rotating speed value, wherein the actual blower rotating speed value is the percentage of the maximum rotating speed of the blower.
7. The control system of the blower in the electric vehicle as set forth in claim 6, wherein the first control module is configured to calculate the actual blower speed value according to the following equation:
BlowerSpeed＝Abs(IntTmpCtr-IntAirTmp)*BlmPropGain+Abs(ProgNo-BlmIntNuetral)*BlmIntGain+BlmIntMinCalc；
wherein, BlowerSpeed is the actual blower speed value, Abs is the blower comfort coefficient, IntTmpTr is the vehicle indoor temperature control target value, IntAirTmp is the first temperature value, BlmPropGain is the proportional term control coefficient, ProgNo is the blower speed adjustment parameter, BlmIntNuetral is the environment term median parameter, BlmIntGain is the environment term coefficient, and BlmIntMinCalc is the minimum human comfort wind speed value parameter.
8. The control system of the blower in the electric vehicle according to claim 6 or 7, wherein the first temperature value is an average value of the in-vehicle temperature values obtained by the in-vehicle temperature sensor several times.
9. The control system of the blower in the electric vehicle according to claim 6, further comprising:
the second control module is used for controlling the air blower to blow air at the first working voltage when the vehicle is in cold start, the air blowing mode of the air conditioner blows feet or blows feet for defrosting or defrosting, and the air blowing mode is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value;
And the third control module is used for exiting the cold vehicle starting of the air blower when the vehicle is in cold starting, the air conditioner blows the air to defrost or defrost feet, and the vehicle is judged to be in summer or spring and autumn according to the outdoor environment temperature calibration value, and the second temperature value is greater than or equal to the first temperature threshold value.
10. The control system of the blower in the electric vehicle according to claim 9, further comprising:
the fourth control module is used for controlling the air blower to blow air at the first working voltage when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the outdoor environment temperature calibration value, and the second temperature value is smaller than the first temperature threshold value;
the fifth control module is used for controlling the air blower to adjust the upper limit value of the working voltage of the air blower according to the second temperature value and a preset voltage adjusting table when the vehicle is in cold start, the air blowing mode of the air conditioner blows feet or blows feet for defrosting or defrosting, the winter is judged according to the calibration value of the outdoor environment temperature, and the second temperature value is greater than or equal to the first temperature threshold value and is less than or equal to a second time temperature threshold value which is greater than the first temperature threshold value;
And the sixth control module is used for exiting the cold start of the air blower when the vehicle is in cold start, the air blowing module of the air conditioner blows feet or blows feet for defrosting or defrosting, and the vehicle is judged to be in winter according to the outdoor environment temperature calibration value, and the second temperature value is greater than the second temperature threshold value.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3985365B2 (en) * | 1997-12-25 | 2007-10-03 | 株式会社デンソー | Air conditioner for vehicles |
| DE102011003273A1 (en) * | 2011-01-27 | 2012-08-02 | J. Eberspächer GmbH & Co. KG | Operating heating system in pre-heating mode of operation, taking blower for conveying air into vehicle inner room having predetermined first feed rate, and comparing heat transfer medium temperature with first temperature threshold |
| CN103963598A (en) * | 2013-01-31 | 2014-08-06 | 杭州三花研究院有限公司 | Automatic automobile air conditioner control method |
| CN103963597A (en) * | 2013-01-31 | 2014-08-06 | 杭州三花研究院有限公司 | Automatic automobile air conditioner controller |
| CN104210325A (en) * | 2013-05-31 | 2014-12-17 | 杭州三花研究院有限公司 | Control method and control unit of automotive air conditioning blower |
| CN105612069A (en) * | 2013-10-07 | 2016-05-25 | 三电控股株式会社 | Vehicle air-conditioning device |
| CN109878291A (en) * | 2019-03-13 | 2019-06-14 | 浙江吉利新能源商用车集团有限公司 | Vehicle temperature adjustment control method and system |
| CN110370885A (en) * | 2018-04-12 | 2019-10-25 | 福特全球技术公司 | Blower motor for electrified vehicle operates |
-
2020
- 2020-05-29 CN CN202010474367.2A patent/CN111845255A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3985365B2 (en) * | 1997-12-25 | 2007-10-03 | 株式会社デンソー | Air conditioner for vehicles |
| DE102011003273A1 (en) * | 2011-01-27 | 2012-08-02 | J. Eberspächer GmbH & Co. KG | Operating heating system in pre-heating mode of operation, taking blower for conveying air into vehicle inner room having predetermined first feed rate, and comparing heat transfer medium temperature with first temperature threshold |
| CN103963598A (en) * | 2013-01-31 | 2014-08-06 | 杭州三花研究院有限公司 | Automatic automobile air conditioner control method |
| CN103963597A (en) * | 2013-01-31 | 2014-08-06 | 杭州三花研究院有限公司 | Automatic automobile air conditioner controller |
| CN104210325A (en) * | 2013-05-31 | 2014-12-17 | 杭州三花研究院有限公司 | Control method and control unit of automotive air conditioning blower |
| CN105612069A (en) * | 2013-10-07 | 2016-05-25 | 三电控股株式会社 | Vehicle air-conditioning device |
| CN110370885A (en) * | 2018-04-12 | 2019-10-25 | 福特全球技术公司 | Blower motor for electrified vehicle operates |
| CN109878291A (en) * | 2019-03-13 | 2019-06-14 | 浙江吉利新能源商用车集团有限公司 | Vehicle temperature adjustment control method and system |
Non-Patent Citations (1)
| Title |
|---|
| 杨妙梁: "《汽车实用电子技术与90年代市场需求》", 31 October 1996 * |
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