CN114179587A - Control method and control system for improving comfort of air conditioner - Google Patents
Control method and control system for improving comfort of air conditioner Download PDFInfo
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- CN114179587A CN114179587A CN202111385592.XA CN202111385592A CN114179587A CN 114179587 A CN114179587 A CN 114179587A CN 202111385592 A CN202111385592 A CN 202111385592A CN 114179587 A CN114179587 A CN 114179587A
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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
- B60H1/0075—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 solar radiation
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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
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00892—Devices specially adapted for avoiding uncomfortable feeling, e.g. sudden temperature changes
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Abstract
The invention relates to a control method for improving the comfort of an air conditioner and a control system thereof.A vehicle environment data is collected after the AUTO of the air conditioner is started, whether the temperature outside the vehicle reaches a set numerical range is judged, and then cold wind prevention or hot wind prevention logic is selected to enter, then the air outlet mode is switched to a defrosting mode, and the air quantity gear is controlled to be 1 gear; continuously judging whether the temperature in the vehicle reaches a preset value T or not, continuing the step until the preset value is reached, and quitting the cold air prevention logic or the hot air prevention logic; and finally, the air conditioner automatically controls the air volume and adjusts the air outlet mode. According to the control method and the system, the air outlet temperatures of different heat exchangers are calibrated in cold days, and the hot air is blown to the feet of the human body when the air outlet temperature in the vehicle reaches a comfortable value, so that discomfort caused by the fact that a large amount of cold air blows the feet in the early stage of starting an air conditioner is avoided. The temperature of the evaporator is calibrated in hot days, and cold air is blown to the face of a human body when the temperature is reduced to a comfortable value, so that discomfort caused by large hot air blowing in the early stage of starting the air conditioner is avoided.
Description
Technical Field
The invention relates to the technical field of automobile air conditioners, in particular to a control method and a control system for improving the comfort of an air conditioner.
Background
At present, the demand of users on the comfort of automatic air conditioners of passenger cars is higher and higher at the rapid development stage of the passenger cars. In cold winter, when the automatic air conditioner is started, the air quantity is very large, the air outlet temperature is very low, the air outlet mode is a foot blowing mode, and at the moment, a large amount of cold air blows passengers, so that the passenger feels uncomfortable. The air outlet temperature of the air conditioner is started from low to high, so that how to improve the comfort at the stage of low air outlet temperature is worth researching. In hot summer, then just opposite, it is higher to open earlier stage air-out temperature at automatic air conditioner, and the air-out mode is for blowing the face, and a large amount of hot-blasts are blown the human body this moment, also very uncomfortable, consequently, in the earlier stage of hot summer air conditioner operation, how to promote the air conditioner travelling comfort and be worth studying.
Disclosure of Invention
Based on the above description, the invention provides a control method and a control system for improving the comfort of an air conditioner, so as to solve the problem that the comfort of the conventional automobile air conditioner is poor in the starting stage.
The technical scheme for solving the technical problems is as follows:
a control method for improving the comfort of an air conditioner comprises the following control steps: s1, powering on the vehicle, and starting the AUTO of the air conditioner; s2, collecting the data of the whole vehicle by the automatic air conditioner controller; s3, analyzing and collecting the temperature outside the vehicle, and judging; s4, selecting to enter cold wind prevention logic or hot wind prevention logic when the temperature outside the vehicle reaches a set value range; s5, after entering cold air prevention logic or hot air prevention logic, the air outlet mode is a defrosting mode, and the air quantity gear is controlled to be 1 gear; s6, judging whether the temperature in the vehicle reaches a preset value T or not; s7, continuing to step S5 when the temperature in the vehicle does not reach the preset value T, and quitting the cold air prevention logic or the hot air prevention logic; and S8, automatically controlling the air volume of the vehicle air conditioner and adjusting the air outlet mode. According to the invention, the air outlet temperature of the in-vehicle heat exchanger is calibrated in cold winter, and hot air is blown to the feet of a human body when the air outlet temperature of the in-vehicle heat exchanger reaches a comfortable value, so that the problem of discomfort caused by the fact that a large amount of cold air blows the feet in the early stage of starting the air conditioner in winter is successfully avoided. Similarly, the temperature of the evaporator is calibrated in hot summer by calibrating different external temperatures and different sunlight intensities, and cold air is blown to the face of a human body when the temperature of the evaporated air is reduced to a comfortable value, so that the problem of discomfort caused by large hot air blowing in the early stage of opening the air conditioner in summer is successfully solved.
Preferably, the data collected in step S2 includes an outside temperature, an inside temperature, and an outside sunlight intensity.
Preferably, in the step S4, the outside temperature is less than 5 ℃, the outside temperature enters a cold air prevention logic, the outside temperature is greater than 30 ℃, the outside temperature enters a hot air prevention logic, the outside temperature is between 5 and 30 ℃, and the air conditioning air volume is automatically controlled;
preferably, when the step S4 enters the cold air prevention logic, the air outlet mode is adjusted to blow feet in step S8.
Preferably, when the step S4 enters the hot wind prevention logic, the wind outlet mode is adjusted to the blowing surface in step S8.
Preferably, the preset value T in step S7 is determined by matrix conversion according to the outside temperature and the outside sunlight intensity, and includes a preset value Tm for entering cold wind prevention logic and a preset value Tn for entering hot wind prevention logic.
Preferably, when the step S4 enters the cold-proof logic, the outside temperature is divided into 6 grades according to-40, -30, -20, -10, 0 and 5 ℃, the sunlight intensity is divided into 5 grades according to 0, 100, 300, 500 and 1000, and the preset value Tm in the step S6 is set into 30 grades every 1 ℃ from 1 to 30.
Preferably, when the step S4 enters the hot air prevention logic, the outside temperature is divided into 5 grades according to 30, 35, 40, 45 and 50 ℃, the sunlight intensity is divided into 5 grades according to 0, 100, 300, 500 and 1000, and the preset value Tn in the step S6 is set into 25 grades at intervals of 1 ℃ from 31 to 55.
A control system for improving the comfort of an air conditioner is used in a control method for improving the comfort of the air conditioner according to any one of claims 1 to 8, and comprises an automatic air conditioner controller, an evaporator temperature sensor, an in-vehicle heat exchanger air outlet temperature sensor, a sunlight intensity sensor, an out-vehicle temperature sensor, an electric compressor, a PTC and a vehicle machine, wherein the evaporator temperature sensor, the in-vehicle heat exchanger air outlet temperature sensor, the sunlight intensity sensor, the out-vehicle temperature sensor, the electric compressor, the PTC and the vehicle machine are respectively connected with the automatic air conditioner controller.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects: according to the invention, the air outlet temperature of the in-vehicle heat exchanger is calibrated in cold winter, and hot air is blown to the feet of a human body when the air outlet temperature of the in-vehicle heat exchanger reaches a comfortable value, so that the problem of discomfort caused by the fact that a large amount of cold air blows the feet in the early stage of starting the air conditioner in winter is successfully avoided. Similarly, the temperature of the evaporator is calibrated in hot summer by calibrating different external temperatures and different sunlight intensities, and cold air is blown to the face of a human body when the temperature of the evaporated air is reduced to a comfortable value, so that the problem of discomfort caused by large hot air blowing in the early stage of opening the air conditioner in summer is successfully solved.
Drawings
FIG. 1 is a schematic diagram of an air conditioning control system according to the present invention;
FIG. 2 is a flow chart of an air conditioning control method according to the present invention;
FIG. 3 is a flow chart of a method for controlling the cold air resistance of the air conditioner according to the present invention;
FIG. 4 is a flow chart of a hot air protection control method of the air conditioner according to the present invention;
FIG. 5 is a table showing the numerical values of preset values Tm of the air conditioner anti-cold air logic of the present invention;
FIG. 6 is a table showing the numerical values Tn of the logical preset values of the hot wind protection of the air conditioner according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. an automatic air conditioner controller; 2. an evaporator temperature sensor; 3. an air outlet temperature sensor of the in-vehicle heat exchanger; 4. a solar intensity sensor; 5. an outside vehicle temperature sensor; 6. an electric compressor; 7. a PTC; 8. provided is a vehicle machine.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In this embodiment, as shown in fig. 1 and 2. A control method for improving the comfort of an air conditioner comprises the following control steps: the method comprises the following steps of firstly entering step S1, powering on the vehicle, starting the AUTO of the air conditioner, inputting the temperature and the air output value set by the air conditioner into the vehicle machine 8 at the moment, controlling the electric compressor 6 or the PTC7 through the automatic air conditioner controller 1, wherein in the cooling mode, the electric compressor 6 works, and in the heating condition, the PTC7 heats, but at the moment, the air outlet of the air conditioner does not output air. Then, the process proceeds to step S2, and at the same time, the automatic air conditioning controller 1 collects data of the entire vehicle, and collects the temperature of the evaporator inside the vehicle, the temperature of the air outlet of the heat exchanger inside the vehicle, the sunlight intensity sensor 4, and the temperature sensor 5 outside the vehicle through the evaporator temperature sensor 2, the air outlet temperature of the heat exchanger inside the vehicle 3, the sunlight intensity sensor 4, and the temperature sensor 5 outside the vehicle, respectively. And then the step S3 is carried out, the temperature outside the automobile is analyzed and collected, and judgment is carried out. And S4, when the outside temperature reaches the set value range, including the temperature is too low or too high, the outside temperature correspondingly selects to enter the cold air prevention logic or the hot air prevention logic, if the temperature is outside the set value, the air conditioner enters the automatic control, namely the air outlet of the air conditioner is opened, and the temperature and the air volume of the air conditioner are the air outlet set in the S1. And then, step 5 is carried out, after the cold wind prevention logic or the hot wind prevention logic is entered, the air outlet mode is the defrosting mode, the air volume gear is controlled to be 1 gear, and at the moment, before the air outlet of the air conditioner is opened, the overcooled or overheated air is discharged through the windshield air duct, so that the discomfort of the people in the vehicle is avoided. And then, the process goes to step S6, the temperature in the vehicle is continuously measured by the evaporator temperature sensor 2 and the air outlet temperature sensor 3 of the vehicle interior heat exchanger, and whether the temperature in the vehicle reaches the preset value T or not is judged. And then, the step S7 is carried out, when the temperature in the automobile does not reach the preset value T, the step S5 is continuously carried out, and when the temperature in the automobile reaches the preset value, the cold air prevention logic or the hot air prevention logic is quitted. And finally, executing the step S8, after the cold wind prevention logic or the hot wind prevention logic is quitted, automatically controlling the air volume of the vehicle air conditioner, adjusting the air outlet mode, closing the channel blowing to the windshield and opening the air outlet of the air conditioner.
In this embodiment, as shown in fig. 1, 3 and 5, the air conditioner enters the cold wind prevention logic operation. The control steps are as follows: the method includes the steps that step S1 is firstly carried out, the vehicle is powered on, the AUTO of the air conditioner is started, at the moment, the temperature and the air outlet quantity value set by the air conditioner are input into the vehicle machine 8, the PTC7 is controlled through the automatic air conditioner controller 1, heating is carried out through the PTC7, and at the moment, the air outlet of the air conditioner is temporarily closed. Then, the process proceeds to step S2, and at the same time, the automatic air conditioning controller 1 collects data of the entire vehicle, and collects the temperature of the evaporator inside the vehicle, the temperature of the air outlet of the heat exchanger inside the vehicle, the sunlight intensity sensor 4, and the temperature sensor 5 outside the vehicle through the evaporator temperature sensor 2, the air outlet temperature of the heat exchanger inside the vehicle 3, the sunlight intensity sensor 4, and the temperature sensor 5 outside the vehicle, respectively. And then entering a step a3, analyzing and collecting the temperature outside the automobile, and judging. By collecting the numerical value of a temperature sensor 5 outside the air conditioner, when the temperature outside the air conditioner is lower than 5 ℃, the air conditioner enters cold-proof logic control, and a PTC in the air conditioner is heated at the maximum power; and when the temperature outside the vehicle is more than or equal to 5 ℃, the air conditioner is automatically controlled, namely, an air outlet of the air conditioner is opened, and the temperature and the air volume of the air conditioner are the air outlet set in the step S1. And a step a4 is carried out, after cold air prevention logic is entered, the temperature in the air conditioner is low at the moment, the air outlet mode is the defrosting mode, the air quantity gear is controlled to be 1, and before the air outlet of the air conditioner is opened, the supercooled air in the air conditioner is discharged through the windshield air duct, so that the discomfort of people in the vehicle is avoided. And a step a5 is then carried out, the temperature in the vehicle is continuously measured through the air outlet temperature sensor 3 of the vehicle interior heat exchanger, and whether the temperature in the air conditioner channel in the vehicle reaches a preset value Tm or not is judged. As shown in FIG. 5, the numerical value of Tm is shown, and T1 to T30 represent the numerical values of Tm. And a step a6 is then carried out, when the temperature in the automobile does not reach the preset value Tm, the step a4 is continuously carried out, and when the temperature in the automobile reaches the preset value, the cold air prevention logic is quitted. And finally, executing the step a6, exiting the cold air prevention logic, automatically controlling the air quantity of the vehicle air conditioner, closing a channel blowing to the windshield, opening an air outlet of the air conditioner, and adjusting an air outlet mode to blow the feet.
In this embodiment, as shown in fig. 1, 4 and 6, the air conditioner enters into the hot wind prevention logic operation. The control steps are as follows: the method includes the steps that step S1 is firstly carried out, the vehicle is powered on, the AUTO of the air conditioner is started, at the moment, the temperature and the air outlet quantity set by the air conditioner are input into the vehicle machine 8, the electric compressor 6 is controlled through the automatic air conditioner controller 1, refrigeration is carried out through the electric compressor 6, and at the moment, the air outlet of the air conditioner is temporarily closed. Then, the process proceeds to step S2, and at the same time, the automatic air conditioning controller 1 collects data of the entire vehicle, and collects the temperature of the evaporator inside the vehicle, the temperature of the air outlet of the heat exchanger inside the vehicle, the sunlight intensity sensor 4, and the temperature sensor 5 outside the vehicle through the evaporator temperature sensor 2, the air outlet temperature of the heat exchanger inside the vehicle 3, the sunlight intensity sensor 4, and the temperature sensor 5 outside the vehicle, respectively. And then entering step b3, analyzing and collecting the temperature outside the automobile, and judging. By collecting the value of the temperature sensor 5 outside the vehicle, when the temperature outside the vehicle is higher than 30 ℃, the air conditioner enters hot air prevention logic control, and the electric compressor 6 in the air conditioner works at the maximum rotating speed; and when the temperature outside the vehicle is less than or equal to 30 ℃, the air conditioner enters automatic control, namely the air outlet of the air conditioner is opened, and the temperature and the air volume of the air conditioner are the air outlet set in the step S1.
And c, entering a step b4, after entering a hot air prevention logic, setting the temperature in the air conditioner channel to be higher at the moment, setting the air outlet mode to be a defrosting mode, controlling the air quantity gear to be 1, and before the air conditioner air outlet is opened, discharging the overheated air in the air conditioner through the windshield air channel to avoid blowing to people so as to avoid causing discomfort of people in the vehicle. And then, entering step b5, continuously measuring the temperature in the vehicle through the temperature sensor 2 of the evaporator in the vehicle, and judging whether the temperature in the air-conditioning channel in the vehicle reaches a preset value Tn. As shown in FIG. 6, the numerical values of Tn are shown, and T31 to T55 represent the numerical values of Tn. And c, entering a step b6, continuing to execute the step b4 when the temperature in the automobile does not reach the preset value Tn, and exiting the hot air prevention logic when the temperature in the automobile reaches the preset value. And finally, executing the step b6, after the hot air prevention logic is exited, automatically controlling the air volume of the vehicle air conditioner, closing the channel blowing to the windshield, opening the air outlet of the air conditioner, and adjusting the air outlet mode to be the blowing surface.
In this embodiment, as shown in fig. 1, 2, 5, and 6. In the step S4, the outside temperature is less than 5 ℃, and cold air prevention logic is entered; the temperature outside the vehicle is higher than 30 ℃, and hot wind prevention logic is entered; the temperature outside the vehicle is 5-30 ℃, and the air volume and the temperature of the air conditioner are output according to the data set by the vehicle machine 8, so that the riding comfort is ensured as much as possible. In step S7, the preset value T is determined by matrix conversion from the outside temperature and the outside sunlight intensity, and includes a preset value Tm for entering cold wind prevention logic and a preset value Tn for entering hot wind prevention logic. For the preset value Tm of the cold wind prevention logic, as shown in the table shown in fig. 5, the outside temperature is in 6 ranks at the head of the list, and is respectively-40, -30, -20, -10, 0, and 5 ℃, and the sunlight intensity is in 5 ranks at the head of the list, and is respectively 0, 100, 300, 500, 1000W/square meter. The 6-gear outside temperature sequentially from low to high and the 5-gear sunlight intensity sequentially from low to high are combined in pairs from low to high to correspond to 30-gear temperature preset values Tm which are respectively T1-T30 ℃, and the gear is divided into one gear every 1 ℃. . Under the corresponding outside temperature and sunlight intensity, when the temperature detected by the air outlet temperature sensor 3 of the inside heat exchanger reaches the corresponding numerical value Tm, the air conditioner exits the cold wind prevention mode, if the outside temperature is-36 ℃, the sunlight intensity is 90W/square meter, the corresponding preset value is T1, and when the temperature detected by the air outlet temperature sensor 3 of the inside heat exchanger reaches 1 ℃, the cold wind prevention logic exits. And if the temperature outside the vehicle is-8 ℃, the sunlight intensity is 360W/square meter, the corresponding preset value is T16, and when the temperature detected by the air outlet temperature sensor 3 of the vehicle heat exchanger reaches 16 ℃, the cold wind prevention logic is quitted.
For the preset value Tn of the hot wind prevention logic, as shown in the table shown in fig. 6, the outside temperature is located at the head of the row of 5 grades, which are 30, 35, 40, 45 and 50 ℃ respectively, and the sunlight intensity is located at the head of the list, which is 5 grades, which are 0, 100, 300, 500 and 1000W/square meter respectively. The outside temperature of 5 gears is sequentially from low to high, the sunlight intensity of 5 gears is sequentially from low to high, the temperature preset values Tn of 25 gears are combined in pairs from low to high and are respectively T31-T55 ℃, and the temperature is divided into one gear every 1 ℃. Under the corresponding temperature outside the vehicle and the sunlight intensity, when the temperature detected by the evaporator temperature sensor 2 in the vehicle reaches the corresponding numerical value Tn, the air conditioner exits the hot wind prevention mode, if the temperature outside the vehicle is 36 ℃, the sunlight intensity is 170W/square meter, the corresponding preset value is T37, and when the temperature detected by the evaporator temperature sensor 2 in the vehicle reaches 37 ℃, the hot wind prevention logic exits. If the temperature outside the automobile is 46 ℃, the sunlight intensity is 580W/square meter, the corresponding preset value is T49, and when the temperature detected by the evaporator temperature sensor 2 in the automobile reaches 49 ℃, the cold wind prevention logic is exited. .
In this embodiment, as shown in fig. 1. A control system for improving the comfort of an air conditioner is used in a control method for improving the comfort of the air conditioner according to any one of claims 1 to 8, and comprises an automatic air conditioner controller 1, an evaporator temperature sensor 2, an in-vehicle heat exchanger air outlet temperature sensor 3, a sunlight intensity sensor 4, an out-vehicle temperature sensor 5, an electric compressor 6, a PTC7 and a vehicle machine 8, wherein the evaporator temperature sensor 2, the in-vehicle heat exchanger air outlet temperature sensor 3, the sunlight intensity sensor 4, the out-vehicle temperature sensor 5, the electric compressor 6, the PTC7 and the vehicle machine 8 are respectively connected with the automatic air conditioner controller 1. The car machine 8 is used for inputting the temperature and the air volume of the air conditioner, and the automatic air conditioner controller 1 is used for automatically controlling the air conditioner before blowing. Acquiring the temperature outside the vehicle through an outside temperature sensor 5, and entering cold wind prevention logic or hot wind prevention logic for judging whether to enter cold wind prevention or hot wind prevention logic, wherein if the outside temperature is less than 5 ℃, the cold wind prevention logic is entered; if the temperature outside the vehicle is more than 30 ℃, hot wind prevention logic is entered, and the purpose is to discharge the air which is too cold or too hot in the channel when the air conditioner is started, so that the riding experience of people is prevented from being influenced. When entering the cold air prevention logic, the PTC7 works at the maximum power to quickly heat the air in the air conditioner, then the air outlet temperature sensor 3 of the in-vehicle heat exchanger continues to detect the temperature, when the detected temperature exceeds the preset value Tm, the air conditioner exits the cold air prevention logic, the PTC7 reduces the power, and gradually works towards the temperature set by the in-vehicle machine 8. Meanwhile, the air outlet of the air conditioner is opened, the air quantity works according to the setting set by the vehicle machine 8, and the air outlet automatically blows air to the feet. When entering the hot wind prevention logic, the electric compressor 6 works at the maximum power to rapidly refrigerate the air in the air conditioner, then the temperature is continuously detected through the evaporator temperature sensor 2 in the vehicle, when the detected temperature is lower than the preset value Tn, the air conditioner exits the hot wind prevention logic, the rotating speed of the electric compressor 6 is reduced, and the electric compressor gradually works towards the temperature set by the vehicle machine 8. Meanwhile, the air outlet of the air conditioner is opened, the air quantity works according to the setting set by the vehicle controller 8, and the air outlet automatically blows towards the face.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A control method for improving the comfort of an air conditioner is characterized by comprising the following control steps:
s1, powering on the vehicle, and starting the AUTO of the air conditioner;
s2, collecting the data of the whole vehicle by the automatic air conditioner controller (1);
s3, analyzing and collecting the temperature outside the vehicle, and judging;
s4, selecting to enter cold wind prevention logic or hot wind prevention logic when the temperature outside the vehicle reaches a set value range;
s5, after entering cold air prevention logic or hot air prevention logic, the air outlet mode is a defrosting mode, and the air quantity gear is controlled to be 1 gear;
s6, judging whether the temperature in the vehicle reaches a preset value T or not;
s7, continuing to step S5 when the temperature in the vehicle does not reach the preset value T, and quitting the cold air prevention logic or the hot air prevention logic;
and S8, automatically controlling the air volume of the vehicle air conditioner and adjusting the air outlet mode.
2. The control method for improving the comfort of an air conditioner according to claim 1, wherein the data collected in step S2 includes the temperature outside the vehicle, the temperature inside the vehicle, and the intensity of sunlight outside the vehicle.
3. The control method for improving the comfort of the air conditioner according to the claim 1 or 2, characterized in that in the step S4, the outside temperature is less than 5 ℃, the cold air prevention logic is entered, the outside temperature is more than 30 ℃, the hot air prevention logic is entered, the outside temperature is between 5 ℃ and 30 ℃, and the air conditioner air volume is automatically controlled.
4. The control method for improving air conditioning comfort of claim 3, wherein when the step S4 enters the cold air prevention logic, the air outlet mode of the step S8 is adjusted to blow feet.
5. The control method for improving comfort of an air conditioner of claim 3, wherein when the step S4 enters the hot wind prevention logic, the wind outlet mode of the step S8 is adjusted to be a blowing surface.
6. The control method for improving the comfort of an air conditioner according to claim 3, wherein the preset value T in step S7 is determined by matrix conversion according to the temperature outside the vehicle and the sunlight intensity outside the vehicle, and comprises a preset value Tm for entering cold wind prevention logic and a preset value Tn for entering hot wind prevention logic.
7. The control method for improving the comfort of an air conditioner of claim 6, wherein when the step S4 enters the cold-proof logic, the temperature outside the vehicle is divided into 6 grades according to-40, -30, -20, -10, 0 and 5 ℃, the sunlight intensity is divided into 5 grades according to 0, 100, 300, 500 and 1000, and the preset value Tm in the step S6 is set into 30 grades corresponding to 1-30 every 1 ℃.
8. The control method for improving the comfort of an air conditioner according to claim 6, wherein when the step S4 enters the hot wind prevention logic, the temperature outside the vehicle is divided into 5 grades according to 30, 35, 40, 45 and 50 ℃, the sunlight intensity is divided into 5 grades according to 0, 100, 300, 500 and 1000, and the preset value Tn in the step S6 is set to 25 grades every 1 ℃ from 31 to 55.
9. A control system for improving the comfort of an air conditioner is characterized by comprising an automatic air conditioner controller (1), an evaporator temperature sensor (2), an in-vehicle heat exchanger air outlet temperature sensor (3), a sunlight intensity sensor (4), an out-vehicle temperature sensor (5), an electric compressor (6), a PTC (7) and a vehicle machine (8), wherein the evaporator temperature sensor (2), the in-vehicle heat exchanger air outlet temperature sensor (3), the sunlight intensity sensor (4), the out-vehicle temperature sensor (5), the electric compressor (6), the PTC (7) and the vehicle machine (8) are respectively connected with the automatic air conditioner controller (1).
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| CN115789919A (en) * | 2022-12-05 | 2023-03-14 | 珠海格力电器股份有限公司 | Centralized air conditioner and control method and device thereof |
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