CN112193020A - Control method for vehicle air conditioner, air conditioning system and vehicle - Google Patents
Control method for vehicle air conditioner, air conditioning system and vehicle Download PDFInfo
- Publication number
- CN112193020A CN112193020A CN202011178822.0A CN202011178822A CN112193020A CN 112193020 A CN112193020 A CN 112193020A CN 202011178822 A CN202011178822 A CN 202011178822A CN 112193020 A CN112193020 A CN 112193020A
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- Prior art keywords
- vehicle
- temperature
- air conditioner
- air
- control method
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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
- B60H1/00735—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
- B60H1/00792—Arrangement of detectors
-
- 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
- B60H1/00835—Damper doors, e.g. position control
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a control method for a vehicle air conditioner, an air conditioning system and a vehicle, wherein the control method comprises the following steps: detecting an ambient temperature T1 of the vehicle and a heater outlet water temperature T2 of the vehicle; when the ambient temperature T1 is less than the first preset temperature T3 and the heater outlet water temperature T2 is less than the second preset temperature T4, the vehicle is judged to be in a low temperature state; when the vehicle is in a low-temperature state and the air conditioner is started, the air conditioner executes a cold air prevention control strategy. According to the control method, the control method further executes the cold air prevention control strategy by judging whether the vehicle is in the low-temperature state, the control method can reduce the condition that the air conditioning system blows low-temperature airflow into the cab when the vehicle is in the low-temperature state, reduce the cold feeling of a user and improve the comfort of the vehicle.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a control method for a vehicle air conditioner, an air conditioning system and a vehicle.
Background
In the related art, under the condition of low ambient temperature, the outlet water temperature of the vehicle PTC heater does not reach the appropriate temperature, the air blown out by the air conditioner is cold air, and the user can only manually turn off the air conditioner first, and then manually turn on the air conditioner after the water temperature reaches the appropriate temperature, thereby influencing the driving experience of the user.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a control method for an air conditioner of a vehicle, which can reduce the low-temperature airflow blown into a cab by an air conditioning system when the vehicle is in a low-temperature state, reduce the feeling of coldness of a user, and improve the comfort of the vehicle.
The invention also provides an air conditioning system for the vehicle.
The invention also provides a vehicle with the air conditioning system.
According to a control method for a vehicle air conditioner of the present invention, the control method includes: detecting an ambient temperature T1 of the vehicle and a heater outlet water temperature T2 of the vehicle; when the ambient temperature T1 is less than the first preset temperature T3 and the heater outlet water temperature T2 is less than the second preset temperature T4, the vehicle is judged to be in a low temperature state; when the vehicle is in a low-temperature state and the air conditioner is started, the air conditioner executes a cold air prevention control strategy.
According to the control method for the vehicle air conditioner, whether the vehicle is in the low-temperature state or not is judged, the rotating speed of the air blower of the air conditioner is further controlled to be the lowest gear and/or the air outlet of the air conditioner is closed, so that low-temperature airflow blown out of the air conditioning system into the cab when the vehicle is in the low-temperature state is reduced, the cold feeling of a user is reduced, the comfort of the vehicle is improved, the control method does not need user operation, and the driving experience of the user is improved.
According to one embodiment of the present invention, the anti-cold air control strategy includes: and controlling the rotating speed of a blower of the air conditioner to be at the lowest gear and/or closing the air outlet of the air conditioner.
According to an embodiment of the present invention, the first preset temperature T3 satisfies: t3 is more than or equal to 5 degrees and less than or equal to 12 degrees.
According to an embodiment of the present invention, the second preset temperature T4 satisfies: t4 is more than or equal to 40 degrees and less than or equal to 55 degrees.
According to an embodiment of the present invention, the anti-cold air control strategy further comprises: and when the opening time of the air conditioner exceeds the preset time, opening the air outlet of the air conditioner.
According to an embodiment of the invention, when the ambient temperature T1 is not less than the first preset temperature T3 or the heater temperature outlet water T2 is not less than the second preset temperature T4, the air conditioner is controlled to exit the cold-proof control strategy.
According to one embodiment of the invention, when the control mode and/or the required wind speed of the air conditioner of the vehicle changes, the air conditioner exits the cold wind prevention control strategy.
According to an air conditioning system for a vehicle of the present invention, the air conditioning system includes: a heater; a heater sensor adapted to detect the heater temperature; an ambient temperature sensor adapted to detect an ambient temperature of the vehicle; a blower adapted to direct an airflow toward the cab; the air outlet grille can be arranged at an air outlet of the air conditioner in an opening and closing manner; and the control center is respectively connected with the heater, the heater sensor, the ambient temperature sensor, the blower and the air outlet grille and controls the blower and the air outlet grille according to the air conditioner control method.
According to one embodiment of the invention, the heater is configured as a PTC heater.
The vehicle according to the present invention is briefly described below.
According to the air conditioning system provided by the embodiment of the invention, as the vehicle is provided with the air conditioning system provided by the embodiment of the invention, the air conditioning system of the vehicle can control the air blower and the air outlet grille through automatic algorithm logic judgment, the operation of a user is not needed, the comfortable temperature in the vehicle can be ensured, and the comfort of the whole vehicle and the driving experience of the user are improved
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages 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 flow chart of a control method according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A control method for a vehicle air conditioner according to an embodiment of the present invention is described below with reference to fig. 1, the control method including: detecting an ambient temperature T1 of the vehicle and a heater outlet water temperature T2 of the vehicle; when the ambient temperature T1 is less than the first preset temperature T3 and the heater outlet water temperature T2 is less than the second preset temperature T4, the vehicle is judged to be in a low temperature state; when the vehicle is in a low-temperature state and the air conditioner is started, the air conditioner executes a cold air prevention control strategy.
In the related art, under the condition of low ambient temperature, the outlet water temperature of the vehicle PTC heater does not reach the appropriate temperature, the air blown out by the air conditioner is cold air, and the user can only manually turn off the air conditioner first, and then manually turn on the air conditioner after the water temperature reaches the appropriate temperature, thereby influencing the driving experience of the user.
Specifically, referring to fig. 1, the step of determining whether the vehicle is in a low temperature state may include detecting an ambient temperature T1 of the vehicle and a heater temperature T2 of the vehicle, and determining whether the vehicle satisfies a temperature value preset by the control method according to the ambient temperature T1 and the heater temperature T2, so as to further determine whether the vehicle is in a low temperature state.
When the ambient temperature T1 is less than the first preset temperature T3, and the heater temperature T2 is less than the second preset temperature T4, it may be determined that the vehicle is in a low temperature state.
In short, the control method further executes the cold air prevention control strategy by judging whether the vehicle is in the low-temperature state, so that the low-temperature airflow blown out of the air conditioning system into the cab by the vehicle in the low-temperature state is reduced, the cold feeling of a user is reduced, the comfort of the vehicle is improved, the control method does not need user operation, and the driving experience of the user is improved.
According to one embodiment of the invention, the cold air prevention control strategy can comprise controlling the rotating speed of a blower of the air conditioner to be in a lowest gear and/or closing an air outlet of the air conditioner, the control method can judge whether the vehicle is in a low-temperature state or not according to temperature data detected by a sensor of the vehicle, and when the vehicle is in the low-temperature state and the air conditioner of the vehicle is in an on state, the control method can control the rotating speed of the blower of the air conditioner to enable the rotating speed of the blower to be in the lowest gear, so that cold air entering the interior of the vehicle is reduced, the flow rate of gas in the air conditioning system is reduced, cold air flowing in the air conditioning system is reduced, low-temperature air flow is prevented from entering a cab as far as possible, and the heat exchange.
In one embodiment of the present invention, the first preset temperature T3 may be set between 5 ° and 12 °, and the second preset temperature T4 may be set between 40 ° and 55 °.
According to an embodiment of the invention, the cold air prevention control strategy may further include opening an air outlet of the air conditioner after the air conditioner opening time exceeds a preset time. When the vehicle is in a low-temperature state and the opening time of the air conditioner exceeds the preset time, the air outlet of the air conditioner is opened to blow hot air into the vehicle.
Because the vehicle is in the low temperature state, the heater is also in continuous operation, if the air keeps the contact temperature with the heater to rise all the time, when the air reaches certain temperature but the air outlet is in the closed condition, hot air may lead to the air-out grid, parts such as wind channel high temperature, for preventing that the vehicle is in the low temperature state and the air outlet grid is under the state of closing, the heat that the air conditioner inside produced piles up in the air conditioning pipeline, set for the air conditioner and open the air conditioner air outlet after opening the preset time, with the pipeline of protection air conditioning system, and then improved the life of air conditioning pipeline, improved air conditioning system's reliability.
According to an embodiment of the invention, if the ambient temperature T1 is greater than the first preset temperature T3 or the heater temperature T2 is greater than the second preset temperature T4, it is proved that the vehicle is not in a low-temperature state, and the control method can automatically exit the cold-wind prevention strategy without user operation, thereby improving the driving experience of the user.
According to one embodiment of the invention, when the control mode and/or the required wind speed of the air conditioner of the vehicle changes, the air conditioner exits the cold-proof control strategy. It should be explained here that when the vehicle is in a low temperature state, the air conditioning system performs the control method, when the user switches the mode of the air conditioning system, such as defrosting, cooling, or the like, or when the user adjusts the wind speed of the air conditioning system, the air conditioning system may exit the control method, thereby improving the controllability of the air conditioning system, and allowing the user to adjust the air conditioning system according to the needs.
The air conditioning system according to the present invention is briefly described below.
According to an embodiment of the present invention, an air conditioning system for a vehicle includes a heater, a heater sensor, an ambient temperature sensor, a blower, an outlet grill, and a control center. The heater may provide thermal energy to the air conditioning system to raise the temperature of the interior of the vehicle.
The heater sensor may be used to detect the heater temperature T2 and compare it with a second preset temperature T4 to determine whether to perform the next step. The ambient temperature sensor may be used to detect the ambient temperature T1 of the vehicle and compare it with a first preset temperature T3 to determine whether to perform the next step.
The air blower can be used for powering the air flowing body and guiding the air flow to the cab, so that the heating of the interior of the vehicle is realized, and the temperature of the interior of the vehicle is guaranteed to reach a comfortable temperature. The air outlet grille can be arranged at the air outlet of the air conditioner in an opening and closing manner, so that the air outlet of the air conditioner can be opened and closed. The control center may be connected to the heater, the heater sensor, the ambient temperature sensor, the blower, and the outlet grill, respectively, and controls the blower and the outlet grill according to the control method of the above embodiment.
According to a specific embodiment of the present invention, the heater may be configured as a PTC heater. Compared with the traditional heater, the PTC heater has the advantages of high heating efficiency, more generated heat energy and the like. The air conditioning system can be applied to new energy vehicles.
The computer-readable storage medium according to the present invention is briefly described below.
According to the computer-readable storage medium of the embodiment of the present invention, on which the program for air conditioning of the vehicle is stored, which can execute the air conditioning control method in the above-described embodiment when read by the actuator, the computer-readable storage medium storing the program for the vehicle, which can execute the control method for implementing air conditioning when read by the actuator, prevents outside cool air from entering the vehicle, thereby improving the comfort of the entire vehicle.
The vehicle according to the present invention is briefly described below.
According to the air conditioning system provided by the embodiment of the invention, as the vehicle is provided with the air conditioning system provided by the embodiment of the invention, the air conditioning system of the vehicle can control the air blower and the air outlet grille through automatic algorithm logic judgment, the operation of a user is not needed, the comfortable temperature in the vehicle can be ensured, and the whole vehicle comfort and the driving experience of the user are improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 for a vehicle air conditioner, characterized by comprising:
detecting an ambient temperature T1 of the vehicle and a heater leaving water temperature T2 of the vehicle;
when the environment temperature T1 is less than a first preset temperature T3 and the heater water outlet temperature T2 is less than a second preset temperature T4, judging that the vehicle is in a low-temperature state;
and when the vehicle is in a low-temperature state and the air conditioner is started, the air conditioner executes a cold air prevention control strategy.
2. The control method for a vehicle air conditioner according to claim 1, characterized in that the cold-proof control strategy includes: and controlling the rotating speed of a blower of the air conditioner to be at the lowest gear and/or closing the air outlet of the air conditioner.
3. The control method for a vehicle air conditioner according to claim 1, characterized in that the first preset temperature T3 satisfies: t3 is more than or equal to 5 degrees and less than or equal to 12 degrees.
4. The air conditioning control method for the vehicle according to claim 1, wherein the second preset temperature T4 satisfies: t4 is more than or equal to 40 degrees and less than or equal to 55 degrees.
5. The air conditioning control method for the vehicle according to claim 1, wherein the cold-prevention control strategy further includes: and when the opening time of the air conditioner exceeds the preset time, opening the air outlet of the air conditioner.
6. The air conditioner control method for vehicle as claimed in claim 1, wherein the air conditioner is controlled to exit the cold prevention control strategy when the ambient temperature T1 is not less than a first preset temperature T3 or the heater temperature outlet water T2 is not less than a second preset temperature T4.
7. The air conditioning control method for the vehicle according to claim 6, wherein when a control mode of an air conditioner of the vehicle and/or a required wind speed is changed, the air conditioner exits the cold wind prevention control strategy.
8. An air conditioning system for a vehicle, comprising:
a heater;
a heater sensor adapted to detect the heater temperature;
an ambient temperature sensor adapted to detect an ambient temperature of the vehicle;
a blower adapted to direct an airflow toward the cab;
the air outlet grille can be arranged at an air outlet of the air conditioner in an opening and closing manner;
a control center, which is respectively connected with the heater, the heater sensor, the ambient temperature sensor, the blower and the air outlet grille, and controls the blower and the air outlet grille according to the air conditioner control method of any one of claims 1 to 7.
9. An air conditioning control method for a vehicle according to claim 8, characterized in that the heater is configured as a PTC heater.
10. A vehicle characterized by comprising an air conditioning system according to any one of claims 8 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178822.0A CN112193020A (en) | 2020-10-29 | 2020-10-29 | Control method for vehicle air conditioner, air conditioning system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011178822.0A CN112193020A (en) | 2020-10-29 | 2020-10-29 | Control method for vehicle air conditioner, air conditioning system and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN112193020A true CN112193020A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011178822.0A Pending CN112193020A (en) | 2020-10-29 | 2020-10-29 | Control method for vehicle air conditioner, air conditioning system and vehicle |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001237111B2 (en) * | 2000-02-21 | 2005-10-27 | Air International Thermal (Australia) Pty Ltd | Improvements in heating/ventilating/air conditioning systems for vehicles |
| CN201764624U (en) * | 2010-07-20 | 2011-03-16 | 浙江吉利汽车研究院有限公司 | Intelligent control system for automatic air conditioner to start air outlet mode |
| CN107458177A (en) * | 2017-08-02 | 2017-12-12 | 安徽江淮汽车集团股份有限公司 | Automobile air-conditioner control method and system |
| JP2018122638A (en) * | 2017-01-30 | 2018-08-09 | 株式会社デンソー | Air conditioner for vehicle |
| CN110239304A (en) * | 2018-03-09 | 2019-09-17 | 宝沃汽车（中国）有限公司 | The control method and device of on-board air conditioner |
| CN110962542A (en) * | 2019-12-25 | 2020-04-07 | 宜宾凯翼汽车有限公司 | Cold start control method and system for automatic air conditioner of automobile |
-
2020
- 2020-10-29 CN CN202011178822.0A patent/CN112193020A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001237111B2 (en) * | 2000-02-21 | 2005-10-27 | Air International Thermal (Australia) Pty Ltd | Improvements in heating/ventilating/air conditioning systems for vehicles |
| CN201764624U (en) * | 2010-07-20 | 2011-03-16 | 浙江吉利汽车研究院有限公司 | Intelligent control system for automatic air conditioner to start air outlet mode |
| JP2018122638A (en) * | 2017-01-30 | 2018-08-09 | 株式会社デンソー | Air conditioner for vehicle |
| CN107458177A (en) * | 2017-08-02 | 2017-12-12 | 安徽江淮汽车集团股份有限公司 | Automobile air-conditioner control method and system |
| CN110239304A (en) * | 2018-03-09 | 2019-09-17 | 宝沃汽车（中国）有限公司 | The control method and device of on-board air conditioner |
| CN110962542A (en) * | 2019-12-25 | 2020-04-07 | 宜宾凯翼汽车有限公司 | Cold start control method and system for automatic air conditioner of automobile |
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