CN110239310B - Self-adaptive control method and device based on automobile air conditioner closing state - Google Patents
Self-adaptive control method and device based on automobile air conditioner closing state Download PDFInfo
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- CN110239310B CN110239310B CN201910526921.4A CN201910526921A CN110239310B CN 110239310 B CN110239310 B CN 110239310B CN 201910526921 A CN201910526921 A CN 201910526921A CN 110239310 B CN110239310 B CN 110239310B
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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
- B60H1/00764—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 the input being a vehicle driving condition, e.g. speed
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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
- B60H1/008—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 the input being air quality
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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
- B60H1/00835—Damper doors, e.g. position control
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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
- B60H1/00835—Damper doors, e.g. position control
- B60H1/00849—Damper doors, e.g. position control for selectively commanding the induction of outside or inside air
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides an adaptive control method and device based on the closing state of an automobile air conditioner, and belongs to the technical field of automobiles. The air conditioner solves the problem that the ventilation in the vehicle is not smooth in the prior art when the air conditioner is in a closed state. The self-adaptive control method based on the automobile air conditioner closing state comprises the steps of detecting the ambient temperature outside an automobile, detecting the air conditioner running state, detecting the temperature of engine cooling liquid and detecting the running speed of the automobile; when the vehicle is judged to be in a running state and the air conditioner is in a closed state through the air conditioner controller, the internal and external circulation air door is controlled to rotate to an external circulation position; judging the received output value of the environment temperature outside the vehicle through an air conditioner controller and controlling the temperature air door to rotate to a corresponding opening position; and comprehensively judging the received output value of the temperature of the engine coolant and the output value of the external environment temperature through the air conditioner controller, and controlling the mode air door to rotate to a corresponding air outlet position. The invention can improve the comfort in the vehicle when the air conditioner is not started.
Description
Technical Field
The invention belongs to the technical field of automobiles, and relates to an adaptive control method and device based on the closing state of an automobile air conditioner.
Background
The task of an automobile air conditioner is to make the temperature in the automobile comfortable and the air fresh, which is also the requirement of passengers for high comfort of the air in the automobile. However, the temperature regulation in the vehicle is mainly realized by turning on an air conditioner by passengers and manually setting a temperature value at present. In order to improve the comfort and safety of an automobile, the prior art discloses an automatic air conditioner control method for an automobile [ application number: CN201410542523.9 ], comprising: step 1, acquiring the temperature in a vehicle through an internal temperature sensor on the vehicle, acquiring an illumination intensity signal by a sunshine sensor, and acquiring the ambient temperature outside the vehicle by an external temperature sensor; step 2, the electronic controller acquires an output value of the inner temperature sensor, an output value of the sunshine sensor and an output value of the outer temperature sensor, and calculates a TAO value according to the output value of the inner temperature sensor, the output value of the sunshine sensor, the output value of the outer temperature sensor and a temperature value set by a user; step 3, the electronic controller automatically controls the opening degree of the temperature mixing air door, the air quantity, the air outlet mode and the internal and external circulation according to the TAO value obtained in the step 1, and controls the opening degree of the temperature mixing air door 3 a; 3b, controlling air volume; 3c, air outlet mode switching control; and 3d, controlling internal and external circulation switching. The invention can stabilize the temperature in the automobile near the expected value of people, and the phenomenon of temperature overcooling or overheating can not occur, but at present, the comfort in the automobile is ensured to be based on the condition that the air conditioner is started, most users are accustomed to closing the air conditioner particularly in spring and autumn, and the automatic air conditioner control method for the automobile cannot play a role in adjusting the comfort in the automobile under the condition that the air conditioner is not started unless the users restart the air conditioner, namely, under the condition that the air conditioner is closed, the ventilation in the automobile is not smooth and uncomfortable.
Disclosure of Invention
The invention aims to provide an adaptive control method and an adaptive control device based on the closing state of an automobile air conditioner, aiming at solving the technical problems of the prior art that: how to improve the comfort in the vehicle when the air conditioner is not turned on.
The purpose of the invention can be realized by the following technical scheme: an adaptive control method based on the closing state of an automobile air conditioner comprises the following steps: detecting the ambient temperature outside the vehicle through a temperature sensor outside the vehicle, detecting the running state of an air conditioner through detection equipment, detecting the temperature of engine coolant through a coolant temperature sensor, and detecting the running speed of the vehicle through a vehicle speed sensor;
judging a vehicle running speed value transmitted by a vehicle speed sensor and an air conditioner running state value transmitted by detection equipment through an air conditioner controller, outputting a first control instruction signal when the vehicle is judged to be in a running state and the air conditioner running state is in a closed state, and controlling an internal and external circulation air door to turn to an external circulation position according to the first control instruction signal; judging the received output value of the environment temperature outside the vehicle through an air conditioner controller and outputting a second control instruction signal, and controlling the temperature air door to rotate to a corresponding opening position according to the second control instruction signal; and comprehensively judging the received output value of the temperature of the engine coolant and the output value of the external environment temperature through the air conditioner controller, and outputting a third control instruction signal, wherein the control mode air door is switched to a corresponding air outlet position according to the third control instruction signal.
The working principle of the self-adaptive control method based on the closing state of the automobile air conditioner is as follows: when the air conditioner controller judges that the air conditioner running state is the closed state and the vehicle is in the running state, the air conditioner controller outputs a first control instruction signal to the internal and external circulation air doors, so that the internal and external circulation air doors turn to an external circulation position according to the first control instruction signal, the air in the vehicle is regulated by bringing the head-on air into the vehicle when the vehicle runs, and the situations of unsmooth ventilation and discomfort in the vehicle are improved; in order to further improve the comfort in the vehicle, the air conditioner controller outputs a corresponding second control instruction signal according to the output value of the external environment temperature, the air conditioner controller transmits the second control instruction signal to the temperature air door, so that the temperature air door is turned to the corresponding opening degree of the temperature air door according to the second control instruction signal, the temperature air door is opened, the natural wind coming in from the outside of the vehicle passes through a warm wind core body in the air conditioner, and because the temperature of the engine coolant rises when the vehicle works, the engine coolant flows into the warm wind core body, the heated natural wind is output after the natural wind passes through the warm wind core body, meanwhile, the air conditioner controller outputs a corresponding third control instruction signal to the mode air door according to the output value of the temperature of the engine coolant and the output value of the external environment temperature, so that the mode air door is turned to the corresponding air outlet position according to the third control instruction signal, the natural wind entering from the outside of the vehicle or the natural wind heated by the warm air core body is blown into the vehicle through the air outlet positions of the blowing feet, the blowing surface and/or the defrosting, so that the ventilation is kept in the vehicle, and the comfort in the vehicle can be improved under the condition that the air conditioner is not started.
In the above adaptive control method based on the off-state of the air conditioner of the vehicle, the adaptive control method further includes: and presetting a temperature air door control table which takes the environment temperature as a parameter to determine a temperature air door opening control value in the air conditioner controller, comparing the received output value of the environment temperature outside the vehicle with the temperature air door control table to obtain a second control instruction signal of the final temperature air door opening control value through the air conditioner controller, and controlling the temperature air door to rotate to a corresponding opening position. Under the condition that the temperature air door is opened, the natural wind that the external world got into can be through each mode air door air outlet again behind the heating of warm braw core, makes to blow in no longer the cold wind in the car, improves human travelling comfort, if the temperature air door does not open, the natural wind directly arrives each mode air door air outlet.
In the above adaptive control method based on the off-state of the air conditioner of the vehicle, the adaptive control method further includes: presetting a coolant temperature upper limit value and a coolant temperature lower limit value in an air conditioner controller, presetting a mode air door control table I which takes the engine coolant temperature higher than the coolant temperature upper limit value as a parameter and combines with an environment temperature parameter to determine a mode air door air-out position control value, and presetting a mode air door control table II which takes the engine coolant temperature lower than the coolant temperature lower limit value as a parameter and combines with the environment temperature parameter to determine the mode air door air-out position control value, searching a third control instruction signal of a final mode air door air-out position control value through the mode air door control table I when the air conditioner controller judges that the engine coolant temperature is higher than the coolant temperature upper limit value, and controlling the mode air door to rotate to a corresponding air-out position; and when the air conditioner controller judges that the temperature of the engine coolant is lower than the lower limit value of the coolant temperature, a third control instruction signal of the final control value of the air outlet position of the mode air door is obtained by searching the mode air door control table two, and the mode air door is controlled to rotate to the corresponding air outlet position. The first mode air door control table and the second mode air door control table are accurately set in advance, so that when the air conditioner is in a closed state, the state of the mode air door can be accurately adjusted according to the table lookup, and the comfort in the vehicle is improved.
In the self-adaptive control method based on the closing state of the automobile air conditioner, the environment temperature parameter in the first mode air door control table comprises a first environment temperature preset value, a second environment temperature preset value and a third environment temperature preset value, the numerical values of the first environment temperature parameter, the second environment temperature parameter and the third environment temperature parameter are sequentially increased, the output value of the external environment temperature is set to be lower than the environment temperature preset value, the air outlet position control value of the mode air door for blowing foot defrosting is set to be the first mode air door, the air outlet position control value of the mode air door for blowing foot defrosting is set to be the second mode air door mode air outlet position control value of the external environment temperature is set to be higher than the environment temperature preset value; when the air conditioner controller judges that the external environment temperature is between the first preset environment temperature value and the second preset environment temperature value, the third control instruction signal for converting the air outlet position of the foot blowing defrosting air door to the air outlet position of the foot blowing defrosting air blowing surface is output; and the air conditioner controller outputs a third control instruction signal for converting the air outlet position of the blowing face from the air outlet position of the foot-blowing defrosting blowing face to the air outlet position of the blowing face when judging that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value. The control value of the air outlet position of the mode air door is accurately set in advance, so that when the air conditioner is in a closed state, the state of the mode air door can be accurately adjusted according to the table lookup, and the comfort in the vehicle is improved.
In the self-adaptive control method based on the closing state of the automobile air conditioner, the mode air door control table II comprises an environment temperature preset value II and an environment temperature preset value III, the numerical values of the environment temperature preset value II and the environment temperature preset value III are sequentially increased, the mode air door is set to be the air outlet position control value of full defrosting when the output value of the environment temperature outside the automobile is lower than the environment temperature preset value II, and the mode air door is set to be the air outlet position control value of a blowing surface when the output value of the environment temperature outside the automobile is higher than the; and the air conditioner controller outputs a third control instruction signal for converting the mode air door from the fully-defrosted air outlet position to the air outlet position of the blowing surface when judging that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value. The control value of the air outlet position of the mode air door is accurately set, so that when the air conditioner is in a closed state, the state of the mode air door can be accurately adjusted according to the table lookup, and the comfort in the vehicle is improved.
In the self-adaptive control method based on the closing state of the automobile air conditioner, when the air conditioner controller judges that the temperature of the engine coolant is between the lower limit value of the coolant temperature and the upper limit value of the coolant temperature, and when the output value of the external environment temperature is judged to be lower than the preset value of the environment temperature, the mode air door air-out position control value of the mode air door converted from the air-out position of the full defrosting blowing foot to the air-out position of the defrosting blowing foot is obtained by retrieving the mode air door control table I and the mode air door control table II; and when the output value of the external environment temperature is judged to be the preset value II of the environment temperature, acquiring the mode air door air outlet position control value converted from the air outlet position of the blowing surface of the defrosting blowing foot from the full defrosting mode by retrieving the mode air door control table I and the mode air door control table II. When judging that engine coolant temperature is in between coolant temperature lower limit value and the coolant temperature upper limit value, the control mode air door carries out linear variation, guarantees the stationarity of mode air door, improves the travelling comfort of vehicle.
In the self-adaptive control method based on the closing state of the automobile air conditioner, the internal and external circulating air door actuator controls the internal and external circulating air door to rotate to the external circulating position or the internal circulating position according to the first control instruction signal; the temperature air door is controlled to rotate to a corresponding opening position through a temperature air door actuator; and controlling the mode air door to rotate to a corresponding air outlet position and a corresponding air outlet opening degree through the mode air door actuator. The air door actuators work independently and are mutually associated, so that the comfort in the vehicle is improved when the vehicle is in an air conditioner closed state.
In the above adaptive control method based on the off-state of the air conditioner of the vehicle, the adaptive control method further includes: the quality of air outside the vehicle is detected through the air quality sensor, and when the output value of the quality of the air outside the vehicle is lower than a preset quality value, the internal and external circulation air door is controlled to rotate to the closing position from the external circulation position. The setting is to the detection of the air quality outside the car, can avoid opening the extrinsic cycle when the air quality outside the car does not reach the standard, causes the circumstances that the air quality in the car reduces.
An adaptive control device based on the closing state of an automobile air conditioner comprises an air conditioner controller and an outside temperature sensor which is connected with the air conditioner controller and is used for detecting the outside environment temperature of the automobile, and is characterized in that the air conditioner controller is also connected with a detection device used for detecting the running state of the air conditioner, a cooling liquid temperature sensor used for detecting the cooling liquid temperature of an engine and a vehicle speed sensor used for detecting the running speed of the automobile, the air conditioner controller is used for judging that the automobile is in the running state according to the running speed detected by the vehicle speed sensor and outputting a first control instruction signal when the air conditioner running state detected by the detection device is that the air conditioner is not started, the air conditioner controller is used for outputting a second control instruction signal according to the outside environment temperature, the air conditioner controller is used for outputting a third control instruction signal according to the outside environment temperature and the, the air conditioner controller is connected with an inner and outer circulating air door actuator used for rotating the inner and outer circulating air doors to the outer circulating air doors according to a first control instruction signal, a temperature air door actuator used for controlling the opening degree of the temperature air doors according to a second control instruction signal and a mode air door actuator used for controlling the mode air doors to rotate to the corresponding air door positions according to a third control instruction signal.
The working principle of the self-adaptive control device based on the closing state of the automobile air conditioner is as follows: when a vehicle runs, the detection equipment detects the running state of the air conditioner in real time, the external temperature sensor detects the ambient temperature outside the vehicle in real time, the coolant temperature sensor detects the temperature of engine coolant in real time, the air conditioner controller sends a first control instruction signal to the internal and external circulation air door actuator to control the internal and external circulation air door to rotate to the position of the external circulation air door when the running state of the air conditioner detected by the detection equipment is that the air conditioner is not running, the air conditioner controller outputs a second control instruction signal to the temperature air door actuator according to the detected external ambient temperature value so as to control the temperature air door to rotate to the corresponding opening position, the air conditioner controller outputs a third control instruction signal to the mode air door actuator according to the detected external ambient temperature value and the engine coolant temperature value so as to control the mode air door to rotate to the corresponding air door position, and when the air, The control of the mode air door and the internal and external circulating air door improves the comfort in the vehicle and achieves the effect of saving energy.
In the self-adaptive control device based on the closing state of the automobile air conditioner, the air conditioner controller is further connected with an air quality sensor outside the automobile, the air conditioner controller is used for outputting a fourth control instruction signal when the output value of the air quality outside the automobile is judged to be lower than the preset air quality value, and the internal and external circulation air door actuator is used for controlling the internal and external circulation air door to rotate to the closing position from the external circulation position according to the fourth control instruction signal. The arrangement of the air command sensor outside the vehicle can avoid the situation that the quality of air inside the vehicle is reduced by starting external circulation when the quality of air outside the vehicle does not reach the standard.
In the above-described adaptive control device based on the off-state of the air conditioner of the vehicle, the detecting means includes a first voltage sensor for detecting an operating voltage of the blower.
In the above adaptive control device based on the off state of the vehicle air conditioner, the detecting device further includes a second voltage sensor for detecting the operating voltage of the core of the warm air and a third voltage sensor for detecting the operating voltage of the refrigerator.
Compared with the prior art, the self-adaptive control method and the device based on the closing state of the automobile air conditioner have the following advantages that:
1. the invention can automatically adjust the position of the internal and external circulation air door, the air outlet position of the mode air door and the opening position of the temperature air door according to the external environment temperature and the temperature of the engine coolant, so that the comfort in the vehicle can be improved when the vehicle is in the closed state of the air conditioner, and the effect of saving energy is achieved.
2. The invention can ensure that the mode air door and the temperature air door are adjusted to the most comfortable positions under the closed state of the air conditioner by accurately setting the temperature air door control table, the mode air door control table I and the mode air door control table II in advance, thereby achieving the effect of improving the comfort in the vehicle.
Drawings
FIG. 1 is a control flow diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1, an air conditioner controller; 2. an outside vehicle temperature sensor; 3. a detection device; 4. a coolant temperature sensor; 5. an internal and external circulation air door actuator; 6. a temperature damper actuator; 7. a mode damper actuator; 8. an air quality sensor; 9. and a vehicle speed sensor.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The self-adaptive control method based on the closing state of the automobile air conditioner comprises the following steps: the temperature of the environment outside the vehicle is detected through the temperature sensor 2 outside the vehicle, the running state of an air conditioner is detected through the detection equipment 3, the temperature of the engine coolant is detected through the coolant temperature sensor 4, and the running speed of the vehicle is detected through the vehicle speed sensor 9;
the vehicle running speed value transmitted by the vehicle speed sensor 9 and the air conditioner running state value transmitted by the detection equipment 3 are judged through the air conditioner controller 1, a first control instruction signal is output when the vehicle is judged to be in a running state and the air conditioner running state is in a closed state, and the inner and outer circulation air doors are controlled to turn to an outer circulation position according to the first control instruction signal; judging the received output value of the environment temperature outside the vehicle through the air conditioner controller 1 and outputting a second control instruction signal, and controlling the temperature air door to rotate to a corresponding opening position according to the second control instruction signal; the received output value of the temperature of the engine coolant and the output value of the external environment temperature are comprehensively judged through the air conditioner controller 1, a third control instruction signal is output, and the control mode air door is turned to a corresponding air outlet position according to the third control instruction signal.
Preferably, the adaptive control method further comprises: a temperature air door control table which takes the environment temperature as a parameter to determine the opening control value of the temperature air door is preset in the air conditioner controller 1, the received output value of the environment temperature outside the vehicle is compared with the temperature air door control table through the air conditioner controller 1 to obtain a second control instruction signal of the final opening control value of the temperature air door, and the temperature air door is controlled to rotate to a corresponding opening position. Under the condition that the temperature air door is opened, the natural wind that the external world got into can be through each mode air door air outlet again behind the heating of warm braw core, makes to blow in no longer the cold wind in the car, improves human travelling comfort, if the temperature air door does not open, the natural wind directly arrives each mode air door air outlet.
Preferably, the adaptive control method further comprises: presetting a cooling liquid temperature upper limit value and a cooling liquid temperature lower limit value in an air conditioner controller 1, wherein the value range of the cooling liquid temperature upper limit value is 65-75 ℃, and the preferred value range is 70 ℃; the temperature lower limit value of the cooling liquid ranges from 45 ℃ to 55 ℃, and is preferably 50 ℃; presetting a first mode air door control table which takes the engine coolant temperature higher than the upper limit value of the coolant temperature as a parameter and combines the environmental temperature parameter to determine the control value of the air outlet position of the mode air door, and presetting a second mode air door control table which takes the engine coolant temperature lower than the lower limit value of the coolant temperature as a parameter and combines the environmental temperature parameter to determine the control value of the air outlet position of the mode air door, searching a third control instruction signal of the final control value of the air outlet position of the mode air door through the first mode air door control table when the air conditioner controller 1 judges that the engine coolant temperature is higher than the upper limit value of the coolant temperature, and controlling the mode air door to rotate to a corresponding air outlet position; when the air conditioner controller 1 judges that the temperature of the engine coolant is lower than the lower limit value of the coolant temperature, a third control instruction signal of a final mode air door air outlet position control value is obtained through retrieval of a mode air door control table two, and the mode air door is controlled to rotate to a corresponding air outlet position. The first mode air door control table and the second mode air door control table are accurately set in advance, so that when the air conditioner is in a closed state, the state of the mode air door can be accurately adjusted according to the table lookup, and the comfort in the vehicle is improved.
As a preferred scheme, the environmental temperature parameter of the first mode air door control table comprises a first environmental temperature preset value, a second environmental temperature preset value and a third environmental temperature preset value, wherein the numerical values of the first environmental temperature preset value are sequentially increased, and the value range of the first environmental temperature preset value is between 8 ℃ and 12 ℃, and is preferably 10 ℃; the value range of the second preset value of the ambient temperature is 18-22 ℃, and 20 ℃ is preferred; the value range of the environmental temperature preset value three is between 28 ℃ and 32 ℃, and preferably 30 ℃; setting an air outlet position control value of a mode air door for foot-blowing defrosting when the output value of the external environment temperature is lower than the preset value of the environment temperature, setting an air outlet position control value of a mode air door for foot-blowing defrosting and face-blowing when the output value of the external environment temperature is a preset value of the environment temperature, and setting an air outlet position control value of a mode air door for face-blowing when the output value of the external environment temperature is higher than a preset value of the environment temperature and a mode air door for face-blowing when the output value of the external environment temperature is; when the air conditioner controller 1 judges that the external environment temperature is between the first preset environment temperature value and the second preset environment temperature value, outputting a third control instruction signal for converting the mode air door from the foot-blowing defrosting air outlet position to the foot-blowing defrosting air outlet position; and the air conditioner controller 1 outputs a third control instruction signal for converting the mode air door from the air outlet position of the foot-blowing defrosting blowing surface to the air outlet position of the blowing surface when judging that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value. The control value of the air outlet position of the mode air door is accurately set, so that when the air conditioner is in a closed state, the state of the mode air door can be accurately adjusted according to the table lookup, and the comfort in the vehicle is improved.
As a preferred scheme, the mode air door control table II comprises an environment temperature preset value II and an environment temperature preset value III, the numerical values of the environment temperature preset value II and the environment temperature preset value III are sequentially increased, the air outlet position control value of the mode air door for full defrosting is set when the output value of the environment temperature outside the vehicle is lower than the environment temperature preset value II, and the air outlet position control value of the mode air door for a blowing surface is set when the output value of the environment temperature outside the vehicle is higher than the environment temperature preset value III; and the air conditioner controller 1 outputs a third control instruction signal for converting the mode air door from the fully-defrosted air outlet position to the air outlet position of the blowing surface when judging that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value. The control value of the air outlet position of the mode air door is accurately set in advance, so that when the air conditioner is in a closed state, the state of the mode air door can be accurately adjusted according to the table lookup, and the comfort in the vehicle is improved.
As a preferred scheme, when the temperature of the engine coolant is judged to be between the lower limit value of the coolant temperature and the upper limit value of the coolant temperature through the air conditioner controller 1, and when the output value of the external environment temperature is judged to be lower than the preset value of the environment temperature, the mode air door air outlet position control value of the mode air door, which is converted from the air outlet position from the full defrosting to the air outlet position from the defrosting blowing foot, is obtained through searching the mode air door control table I and the mode air door control table II; and when the output value of the external environment temperature is judged to be the preset value II of the environment temperature, acquiring the mode air door air outlet position control value converted from the air outlet position of the blowing surface of the defrosting blowing foot from the full defrosting mode by retrieving the mode air door control table I and the mode air door control table II. When judging that engine coolant temperature is in between coolant temperature lower limit value and the coolant temperature upper limit value, the control mode air door carries out linear variation, guarantees the stationarity of mode air door, improves the travelling comfort of vehicle.
As a preferred scheme, the inner and outer circulation air doors are controlled to rotate to an outer circulation position or an inner circulation position by the inner and outer circulation air door actuator 5 according to a first control instruction signal; the temperature air door is controlled to rotate to a corresponding opening position through the temperature air door actuator 6; and the mode air door is controlled to rotate to the corresponding air outlet position and the corresponding air outlet opening degree through the mode air door actuator 7. The air door actuators work independently and are mutually associated, so that the comfort in the vehicle is improved when the vehicle is in an air conditioner closed state.
Preferably, the adaptive control method further comprises: the quality of the air outside the vehicle is detected through the air quality sensor 8, and when the output value of the quality of the air outside the vehicle is lower than a preset quality value, the internal and external circulation air door is controlled to rotate from the external circulation position to the closed position. The setting is to the detection of the air quality outside the car, can avoid opening the extrinsic cycle when the air quality outside the car does not reach the standard, causes the circumstances that the air quality in the car reduces.
The self-adaptive control device based on the automobile air conditioner closing state comprises an air conditioner controller 1 and an outer temperature sensor 2 which is connected with the air conditioner controller 1 and is used for detecting the outer environment temperature of an automobile, the air conditioner controller 1 is also connected with a detection device 3 used for detecting the running state of the air conditioner, a cooling liquid temperature sensor 4 used for detecting the cooling liquid temperature of an engine and a vehicle speed sensor 9 used for detecting the running speed of the automobile, the air conditioner controller 1 is used for judging that the automobile is in the running state according to the running speed detected by the vehicle speed sensor 9 and outputting a first control instruction signal when the air conditioner running state detected by the detection device 3 is that the air conditioner is not started, the air conditioner controller 1 is used for outputting a second control instruction signal according to the outer environment temperature of the automobile, the air conditioner controller 1 is used for outputting a third control instruction signal according, the air conditioner controller 1 is connected with an internal and external circulation air door actuator 5 for rotating the internal and external circulation air doors to the external circulation air doors according to a first control instruction signal, a temperature air door actuator 6 for controlling the opening degree of the temperature air doors according to a second control instruction signal and a mode air door actuator 7 for controlling the mode air doors to rotate to the corresponding air door positions according to a third control instruction signal.
Preferably, the air conditioner controller 1 is further connected with an outside air quality sensor 8 for detecting the outside air quality, the air conditioner controller 1 is used for outputting a fourth control instruction signal when the output value of the outside air quality is judged to be lower than the preset air quality value, and the inside and outside circulation damper actuator 5 is used for controlling the inside and outside circulation damper to rotate from the outside circulation position to the closed position according to the fourth control instruction signal. The arrangement of the air command sensor outside the vehicle can avoid the situation that the quality of air inside the vehicle is reduced by starting external circulation when the quality of air outside the vehicle does not reach the standard.
Preferably, the detection device 3 comprises a first voltage sensor for detecting the working voltage of the blower, a second voltage sensor for detecting the working voltage of the warm air core and/or a third voltage sensor for detecting the working voltage of the refrigerator.
Preferably, the air conditioner controller 1 further includes a memory in which a temperature damper control table for confirming a temperature damper opening control value with an ambient temperature as a parameter, a coolant temperature upper limit value, a coolant temperature lower limit value, a first mode damper control table for confirming a mode damper outlet air position control value with the coolant temperature upper limit value as a parameter in combination with the ambient temperature parameter, a second mode damper control table for confirming the mode damper outlet air position control value with the coolant temperature lower limit value as a parameter in combination with the ambient temperature parameter, and a preset air quality value are stored in advance.
The self-adaptive control method based on the closing state of the automobile air conditioner and the working principle of the device are as follows: the air conditioner controller 1 sends out a first control instruction signal when judging that the air conditioner running state is a closed state and the vehicle is in a running state, the internal and external circulation air door actuator 5 controls the internal and external circulation air door to rotate to an external circulation position according to the received first control instruction signal, and the air in the vehicle is regulated by bringing the head-on air into the vehicle when the vehicle runs, so that the situations of unsmooth ventilation and discomfort in the vehicle are improved; in order to further improve the comfort in the vehicle, the air conditioner controller 1 compares the output value of the environment temperature outside the vehicle with a temperature air door control table, the environment temperature parameters in the temperature air door control table comprise an environment temperature preset value four, an environment temperature preset value five and an environment temperature preset value six, and when the output value of the environment temperature is in the environment temperature preset value four, the opening degree of the temperature air door is set to be 58% -65%, preferably 61%; when the output value of the ambient temperature is at a preset value five of the ambient temperature, setting the opening of a temperature air door to be 78% -82%, preferably 80%; when the output value of the ambient temperature is six preset values of the ambient temperature, setting the opening of the temperature air door to be between 85% and 90%, preferably 87%; wherein the range of the four values of the environmental temperature preset value is-5 ℃ to 5 ℃, and 0 ℃ is preferred; the environment temperature preset value five is in the range of-20 ℃ to-10 ℃, and is preferably-15 ℃; the six-value range of the preset value of the ambient temperature is-35 ℃ to-25 ℃, and the preferable temperature is-30 ℃; the final second control instruction signal of the opening control value of the temperature air door is obtained by comparison, the temperature air door actuator 6 controls the temperature air door to open corresponding opening according to the received second control instruction signal, so that the natural wind coming from the outside of the vehicle passes through a warm wind core body in the air conditioner, because the engine cooling liquid flows into the warm wind core body when the vehicle works, the natural wind is heated after passing through the warm wind core body, the heated natural wind is output, meanwhile, the output value of the detected engine cooling liquid temperature and the output value of the outside environment temperature are compared with a mode air door control table I and a mode air door control table II through the air conditioner controller 1, when the output value of the engine cooling liquid temperature is higher than the upper limit value of the cooling liquid temperature, the output value of the outside environment temperature is compared with the mode air door control table I, and when the output value of the outside environment temperature is lower than the preset value of the environment temperature, outputting a third control instruction signal of the control value of the air outlet position of the mode air door for foot-blowing defrosting; when the output value of the environment temperature outside the automobile is the preset value II of the environment temperature, outputting a third control instruction signal of the control value of the air outlet position of the foot-blowing defrosting blowing face of the mode air door; when the output value of the environment temperature outside the automobile is higher than the preset value III of the environment temperature, outputting a third control instruction signal of the control value of the air outlet position of the mode air door with the blowing surface; when the air conditioner controller 1 judges that the external environment temperature is between the first preset environment temperature value and the second preset environment temperature value, outputting a third control instruction signal for converting the mode air door from the foot-blowing defrosting air outlet position to the foot-blowing defrosting air outlet position; when the air conditioner controller 1 judges that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value, outputting a third control instruction signal for converting the air outlet position of the blowing face from the air outlet position of the foot-blowing defrosting blowing face to the air outlet position of the blowing face; and controlling the mode air door to open a corresponding air outlet position through the mode air door actuator 7 according to the received third control instruction signal. When the output value of the engine coolant temperature is lower than the lower limit value of the coolant temperature, the output value of the external environment temperature is compared with a mode air door control table II, when the output value of the external environment temperature is lower than an environment temperature preset value II, a third control instruction signal of the air outlet position control value of the full defrosting mode air door is output, and when the output value of the external environment temperature is higher than an environment temperature preset value III, a third control instruction signal of the air outlet position control value of the blowing surface is output; when the air conditioner controller 1 judges that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value, outputting a third control instruction signal for converting the mode air door from the fully-defrosted air outlet position to the air outlet position of the blowing surface; when the air conditioner controller 1 judges that the temperature of the engine coolant is between the lower limit value of the coolant temperature and the upper limit value of the coolant temperature and when the output value of the external environment temperature is lower than the preset value of the environment temperature, a third control instruction signal of the mode air door air-out position control value of the mode air door converted from the air-out position of the full defrosting blowing foot to the air-out position of the defrosting blowing foot is obtained by retrieving the mode air door control table I and the mode air door control table II; when the output value of the external environment temperature is judged to be the second preset value of the environment temperature, a third control instruction signal of the mode air door air outlet position control value converted from the air outlet position of the blowing surface of the full defrosting blowing foot to the air outlet position of the blowing surface of the defrosting blowing foot is obtained by retrieving the first mode air door control table and the second mode air door control table, and the mode air door actuator 7 controls the mode air door to open the corresponding air outlet position according to the received third control instruction signal. Meanwhile, if the output value of the ambient air command detected by the air quality sensor 8 is lower than the preset quality value, the internal and external circulation air door is controlled to rotate from the external circulation position to the closed position. The internal and external circulation air door actuator 5, the temperature air door actuator 6 and the mode air door actuator 7 all adopt motors, and the change of the internal and external circulation air doors, the opening degree of the temperature air doors and the rotation of the mode air doors to corresponding air outlet positions and air outlet opening degrees are respectively realized by controlling the number of rotation turns of the motors. When the air conditioner is not opened, the comfort in the vehicle is improved through the control of the temperature air door, the mode air door and the internal and external circulation air doors, and the effect of saving energy is achieved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. An adaptive control method based on the closing state of an automobile air conditioner comprises the following steps: detecting the ambient temperature outside the vehicle through a temperature sensor (2) outside the vehicle, wherein the self-adaptive control method further comprises:
detecting the running state of the air conditioner through a detection device (3), detecting the temperature of engine coolant through a coolant temperature sensor (4), and detecting the running speed of the vehicle through a vehicle speed sensor (9);
the method comprises the steps that a vehicle running speed value transmitted by a vehicle speed sensor (9) and an air conditioner running state value transmitted by a detection device (3) are judged through an air conditioner controller (1), a first control instruction signal is output when the vehicle is judged to be in a running state and the air conditioner running state is in a closed state, and an internal and external circulation air door is controlled to turn to an external circulation position according to the first control instruction signal; judging the received output value of the environment temperature outside the vehicle through an air conditioner controller (1) and outputting a second control instruction signal, and controlling a temperature air door to turn to a corresponding opening position according to the second control instruction signal;
presetting a coolant temperature upper limit value and a coolant temperature lower limit value in an air conditioner controller (1), presetting a mode air door control table I which takes the engine coolant temperature higher than the coolant temperature upper limit value as a parameter and combines the environment temperature parameter to determine a mode air door air outlet position control value, and presetting a mode air door control table II which takes the engine coolant temperature lower than the coolant temperature lower limit value as a parameter and combines the environment temperature parameter to determine the mode air door air outlet position control value in the air conditioner controller (1);
the received output value of the engine coolant temperature and the output value of the external environment temperature are comprehensively judged through the air conditioner controller (1), when the engine coolant temperature is judged to be greater than the upper limit value of the coolant temperature, a third control instruction signal of the final mode air door air-out position control value is obtained through first retrieval of the mode air door control table, when the engine coolant temperature is judged to be smaller than the lower limit value of the coolant temperature, a third control instruction signal of the final mode air door air-out position control value is obtained through second retrieval of the mode air door control table, and the mode air door is controlled to rotate to the corresponding air-out position through the air conditioner controller (1) according to the third control instruction signal.
2. The adaptive control method according to claim 1, wherein the adaptive control method further comprises: a temperature air door control table which takes the environment temperature as a parameter to determine the opening control value of the temperature air door is preset in the air conditioner controller (1), the received output value of the environment temperature outside the vehicle is compared with the temperature air door control table through the air conditioner controller (1) to obtain a second control instruction signal of the final opening control value of the temperature air door, and the temperature air door is controlled to rotate to a corresponding opening position.
3. The adaptive control method based on the closing state of the automobile air conditioner according to claim 1, wherein the environmental temperature parameter in the first mode air door control table comprises a first environmental temperature preset value, a second environmental temperature preset value and a third environmental temperature preset value, the values of the first environmental temperature, the second environmental temperature and the third environmental temperature are sequentially increased, the output value of the external environmental temperature is set to be lower than the environmental temperature preset value, the air outlet position control value of the mode air door for defrosting the blowing foot is set to be the first mode air door, the air outlet position control value of the mode air door for defrosting the blowing foot is set to be the second mode air door, and the output value of the external environmental temperature is set to be higher than the environmental temperature preset value, and the air outlet position control value; the air conditioner controller (1) outputs a third control instruction signal for converting the mode air door from the air outlet position of the foot-blowing defrosting to the air outlet position of the foot-blowing defrosting air blowing surface when judging that the external environment temperature is between the first preset environment temperature value and the second preset environment temperature value; and the air conditioner controller (1) outputs a third control instruction signal for converting the mode air door from the air outlet position of the foot-blowing defrosting blowing surface to the air outlet position of the blowing surface when judging that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value.
4. The adaptive control method based on the closing state of the automobile air conditioner as claimed in claim 3, wherein the mode damper control table two comprises an ambient temperature preset value two and an ambient temperature preset value three, the numerical values of which are sequentially increased, the mode damper is set to be the fully-defrosted air outlet position control value when the output value of the external ambient temperature is lower than the ambient temperature preset value two, and the mode damper is set to be the air outlet position control value of the blowing surface when the output value of the external ambient temperature is higher than the ambient temperature preset value three; and the air conditioner controller (1) outputs a third control instruction signal for converting the mode air door from the fully-defrosted air outlet position to the air outlet position of the blowing surface when judging that the external environment temperature is between the second preset environment temperature value and the third preset environment temperature value.
5. The adaptive control method based on the closing state of the automobile air conditioner according to claim 4, characterized in that when the temperature of the engine coolant is judged to be between the lower limit value of the coolant temperature and the upper limit value of the coolant temperature through the air conditioner controller (1), and when the output value of the external environment temperature is judged to be lower than the preset value of the environment temperature, the mode air door air outlet position control value of the mode air door which is changed from the air outlet position of the full defrosting to the air outlet position of the defrosting blowing foot is obtained through searching the mode air door control table I and the mode air door control table II; and when the output value of the external environment temperature is judged to be the preset value II of the environment temperature, acquiring the mode air door air outlet position control value converted from the air outlet position of the blowing surface of the defrosting blowing foot from the full defrosting mode by retrieving the mode air door control table I and the mode air door control table II.
6. The adaptive control method according to any one of claims 1 to 5, wherein the adaptive control method further comprises: the quality of air outside the vehicle is detected through an air quality sensor (8), and when the output value of the quality of the air outside the vehicle is lower than a preset quality value, the internal and external circulation air door is controlled to rotate from an external circulation position to a closed position.
7. An adaptive control device based on the closing state of an automobile air conditioner comprises an air conditioner controller (1) and an outside temperature sensor (2) which is connected with the air conditioner controller (1) and is used for detecting the outside environment temperature of the automobile, characterized in that the air conditioner controller (1) is also connected with a detection device (3) for detecting the running state of the air conditioner, a coolant temperature sensor (4) for detecting the temperature of coolant of an engine and a vehicle speed sensor (9) for detecting the running speed of a vehicle, the air conditioner controller (1) is used for judging that the vehicle is in a running state according to the running speed detected by the vehicle speed sensor (9) and outputting a first control instruction signal when the air conditioner running state detected by the detection device (3) is that the air conditioner is not started, the air conditioner controller (1) is used for outputting a second control instruction signal according to the ambient temperature outside the vehicle;
the air conditioner controller (1) also comprises a memory, wherein the memory is prestored with a coolant temperature upper limit value, a coolant temperature lower limit value, a first mode air door control table which takes the coolant temperature upper limit value as a parameter and combines with an environment temperature parameter to determine a mode air door air outlet position control value, and a second mode air door control table which takes the coolant temperature lower limit value as a parameter and combines with the environment temperature parameter to determine the mode air door air outlet position control value, the air conditioner controller (1) is used for judging whether the temperature of the engine coolant is larger than the upper limit value of the temperature of the coolant, a third control command signal for retrieving a final mode damper outlet air position control value from the mode damper control table, and for, upon determining that the engine coolant temperature is less than the coolant temperature lower limit value, retrieving a third control instruction signal of the final mode air door air-out position control value through the second mode air door control table;
the air conditioner controller (1) is connected with an internal and external circulation air door actuator (5) for rotating an internal and external circulation air door to the external circulation air door according to a first control instruction signal, a temperature air door actuator (6) for controlling the opening degree of the temperature air door according to a second control instruction signal and a mode air door actuator (7) for controlling the mode air door to rotate to the corresponding air door position according to a third control instruction signal.
8. The adaptive control device based on the closing state of the automobile air conditioner is characterized in that the air conditioner controller (1) is further connected with an outside air quality sensor (8) for detecting the outside air quality, the air conditioner controller (1) is used for outputting a fourth control command signal when the output value of the outside air quality is judged to be lower than the preset air quality value, and the inside and outside circulation air door actuator (5) is used for controlling the inside and outside circulation air door to rotate from the outside circulation position to the closing position according to the fourth control command signal.
9. The adaptive control apparatus according to claim 7 or 8, wherein the detecting device (3) comprises a first voltage sensor for detecting an operating voltage of the blower.
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