CN109539506B - Cold air preventing control method for air conditioner - Google Patents
Cold air preventing control method for air conditioner Download PDFInfo
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- CN109539506B CN109539506B CN201811213288.5A CN201811213288A CN109539506B CN 109539506 B CN109539506 B CN 109539506B CN 201811213288 A CN201811213288 A CN 201811213288A CN 109539506 B CN109539506 B CN 109539506B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
Abstract
The invention relates to the technical field of air conditioning, in particular to a cold air prevention control method of an air conditioner. The invention aims to solve the problem of poor user experience in the cold air prevention mode of the existing air conditioner. To this end, the present invention provides a method for controlling cold wind prevention of an air conditioner including an indoor heat exchanger and an indoor fan, the method comprising: in the heating mode, acquiring indoor environmental parameters and human body parameters; and controlling the indoor fan to operate according to the indoor environment parameters and the human body parameters. Through the control mode, the cold air prevention control method can flexibly control the indoor fan to operate based on the indoor environment parameters and the human body parameters, so that the operation time of the indoor fan is always matched with the indoor environment and the human body, the phenomenon of air supply supercooling/overheating is avoided, and the user experience is greatly improved.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to a cold air prevention control method of an air conditioner.
Background
An air conditioner is a device capable of cooling/heating a room, and for example, in a cold winter, the air conditioner may increase a room temperature by heating and blowing air, thereby making a user feel comfortable.
In the heating process, because the temperature of the heat exchanger in the indoor unit needs a certain time to rise, in order to prevent the air temperature blown out when the air conditioner is started from being too low to influence the comfort, the air conditioner is generally provided with a cold air prevention mode, namely, the indoor fan is controlled not to be started after the air conditioner is started, and the indoor fan is started to start air supply after the temperature of the heat exchanger reaches the set temperature. Although the problem of blowing cold air when the air conditioner heats and starts has been solved to a certain extent to above-mentioned cold wind prevention mode, because the temperature of setting for leaving the factory in the cold wind prevention mode is good usually, can't change, this has just led to the user to different ages to the sensation when beginning to send wind different: for the old or children, the air outlet temperature is obviously lower, so that diseases are easily caused; for young people, the outlet air temperature is higher, so that the user experience is poor.
Accordingly, there is a need in the art for a new method of controlling a cold wind prevention of an air conditioner to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem of poor user experience in the cold air prevention mode of the conventional air conditioner, the present invention provides a cold air prevention control method of an air conditioner, the air conditioner including an indoor heat exchanger and an indoor fan, the cold air prevention control method including:
in the heating mode, acquiring indoor environmental parameters and human body parameters;
and controlling the indoor fan to operate according to the indoor environment parameters and the human body parameters.
In an preferable technical solution of the above method for controlling a cooling air prevention of an air conditioner, "controlling the operation of the indoor fan according to the indoor environmental parameter and the human body parameter" further includes:
determining the optimal body sensing temperature of the human body according to the indoor environment parameters and the human body parameters;
and controlling the indoor fan to operate according to the optimal body sensing temperature.
In an preferable technical solution of the above method for controlling a cooling air prevention of an air conditioner, "controlling the operation of the indoor fan according to the indoor environmental parameter and the human body parameter" further includes:
judging whether the indoor environment parameters and the human body parameters are stored in the air conditioner;
and controlling the indoor fan to operate according to the judgment result.
In a preferred embodiment of the above method for controlling an air conditioner to prevent cold wind, the step of controlling the operation of the indoor fan according to the determination result further includes:
when the indoor environment parameters and the human body parameters are not stored in the air conditioner, determining the optimal body sensing temperature of the human body according to the indoor environment parameters and the human body parameters;
and controlling the indoor fan to operate according to the optimal body sensing temperature.
In a preferred technical solution of the above method for controlling an air conditioner to prevent cold wind, the step of controlling the operation of the indoor fan according to the optimal sensible temperature further includes:
calculating a target temperature required to be reached by the indoor heat exchanger or an interval time required for the indoor heat exchanger to rise to the target temperature according to the optimal body sensing temperature;
and controlling the indoor fan to operate when the indoor heat exchanger reaches the target temperature or the operation time of the air conditioner reaches the interval time.
In a preferred technical solution of the above method for controlling an air conditioner to prevent cold wind, the optimal sensible temperature is determined according to a correspondence between the indoor environment parameter and the human body parameter and the optimal sensible temperature.
In a preferred embodiment of the above method for controlling a cooling air flow of an air conditioner, after the step of "controlling the operation of the indoor fan according to the optimal sensible temperature", the method further includes:
and storing the indoor environment parameters and the human body parameters, and target temperatures or interval time corresponding to the indoor environment parameters and the human body parameters.
In a preferred embodiment of the above method for controlling an air conditioner to prevent cold wind, the step of controlling the operation of the indoor fan according to the determination result further includes:
when the indoor environment parameters and the human body parameters are stored in the air conditioner, determining target temperatures or interval time corresponding to the indoor environment parameters and the human body parameters according to the indoor environment parameters and the human body parameters;
and controlling the indoor fan to operate when the indoor heat exchanger reaches the target temperature or the operation time of the air conditioner reaches the interval time.
In a preferred technical solution of the above method for controlling an air conditioner against cold wind, the indoor environmental parameter includes an indoor environmental temperature and/or an indoor environmental humidity; and/or the body parameter comprises the age of the body and/or the surface temperature of the body.
The present invention also provides an air conditioner including a controller configured to be able to perform the cold wind prevention control method of an air conditioner according to any one of the above-described preferred embodiments.
As will be understood by those skilled in the art, in a preferred embodiment of the present invention, an air conditioner includes an indoor heat exchanger, an indoor fan, and a cold wind prevention control method includes: in the heating mode, acquiring indoor environmental parameters and human body parameters; and controlling the indoor fan to operate according to the indoor environment parameters and the human body parameters. Wherein the indoor environment parameters comprise an indoor environment temperature and an indoor environment humidity; and/or the body parameters include the age of the body and the surface temperature of the body.
Through the control mode, the cold air prevention control method can flexibly control the indoor fan to operate based on the indoor environment parameters and the human body parameters, so that the operation time of the indoor fan is always matched with the indoor environment and the human body, the phenomenon of air supply supercooling/overheating is avoided, and the user experience is greatly improved.
Specifically, when the air conditioner is in heating operation, the optimum body sensing temperature suitable for a user using the air conditioner at present can be calculated by acquiring the indoor environment temperature and humidity, the age and the surface temperature of the user of the air conditioner, the target temperature or the interval time of the indoor heat exchanger can be correspondingly calculated according to the body sensing temperature, then the indoor fan is controlled to start to operate when the indoor heat exchanger reaches the target temperature or the interval time of the operation of the air conditioner is reached, the hot air blown out by the air conditioner can be matched with the body sensing temperature, the optimum use experience is ensured, and the comfort level is improved.
Further, after the indoor fan operates, the data of this time are stored, then the collected indoor environment parameters and the human body parameters of the user are matched with the stored data when the air conditioner is started next time, the indoor fan is directly controlled to operate according to the parameters corresponding to the stored data when the data are matched under the same or similar conditions, the process of calculating the operating parameters of the indoor fan can be omitted, the operation is simplified, and the operating efficiency is improved.
Drawings
A cold wind prevention control method of an air conditioner of the present invention will be described with reference to the accompanying drawings. In the drawings:
FIG. 1 is a flow chart illustrating a method for controlling a cold wind prevention of an air conditioner according to the present invention;
fig. 2 is a logic diagram of a cold air prevention control method of an air conditioner according to the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Referring first to fig. 1, a method for controlling a cold wind prevention of an air conditioner according to the present invention will be described. Fig. 1 is a flowchart illustrating a method for controlling an air conditioner to prevent cold wind according to the present invention.
As shown in fig. 1, in order to solve the problem of poor user experience in the cold air prevention mode of the conventional air conditioner, the invention provides a cold air prevention control method of an air conditioner, wherein the air conditioner comprises an indoor heat exchanger and an indoor fan, and the cold air prevention control method mainly comprises the following steps:
s100, acquiring indoor environment parameters and human body parameters in a heating mode; for example, the environmental parameters include indoor ambient temperature and humidity, and the human parameters include human age and human surface temperature. The air conditioner can acquire indoor environment temperature through temperature sensor, acquires indoor environment humidity through humidity transducer, gathers human surperficial temperature through the infrared sensor who sets up above that to this temperature sensor, humidity transducer and infrared sensor all are connected with the controller of air conditioner, so that can in time transmit the indoor environment temperature who gathers for the controller of air conditioner. Preferably, the human body surface temperature is preferably the human body face temperature, because the human body face is generally exposed and the human body face temperature is also more reflective of the overall comfort condition of the human body. The age of the human body can be estimated by identifying the facial features of the human body, the image acquisition device (such as a camera, a camera and the like) can be adopted to acquire the image of the human body, the image acquisition device is also connected with the controller, the data of the image of the human body is transmitted to the controller of the air conditioner for analysis and processing, and therefore the age of the human body is obtained according to the facial features of the human body (such as facial color, hair color and/or wrinkle length and the like).
And S200, controlling the indoor fan to operate according to the indoor environment parameters and the human body parameters. For example, after the indoor environment temperature, humidity, human age and human surface temperature are acquired, the optimal sensible temperature of the user currently using the air conditioner is calculated based on the parameters, and the indoor fan is controlled to operate according to the optimal sensible temperature. For example, when the optimal body sensing temperature of the user is calculated to be high, the user is proved to be old people or children, the indoor fan needs to be restarted for a long time at the interval, so that the air outlet temperature can be adapted to the optimal body sensing temperature, and the old people or children are prevented from being ill due to the fact that the air outlet temperature is too low. Similarly, when calculating that user's best body feeling temperature is lower, prove that user at this moment is the young or the better people of health, indoor fan need not the interval time very long alright start this moment to the air conditioner can air-out fast, shortens the boot time of interior fan, promotes user's comfort.
From the above description, it can be seen that the cold air prevention control method of the invention can flexibly control the operation of the indoor fan based on the indoor environmental parameters and the human body parameters, so that the operation time of the indoor fan is always adapted to the current user, the phenomenon of air supply supercooling/overheating is avoided, and the user experience is greatly improved. Particularly, when the air conditioner heats the operation, through obtaining indoor environment temperature and humidity and air conditioner user's age and surface temperature, can calculate the best body feeling temperature that the user who uses the air conditioner at present suits, can control indoor fan start-up operation according to this best body feeling temperature, can make the hot-blast and this best body feeling temperature looks adaptation that the air conditioner blew off to guarantee that the best uses and experience, improve the comfort level.
It should be noted that, in addition to the manner of setting the infrared sensor on the air conditioner to collect the temperature of the surface of the human body, those skilled in the art can flexibly set the collection manner of the surface temperature of the human body in practical application as long as the surface temperature of the human body can be obtained. For example, a temperature sensor communicatively connected to a controller of an air conditioner is worn on a human body to collect a surface temperature of the human body. Likewise, the specific installation location and form of the temperature sensor and the humidity sensor are not limited, and the temperature sensor and the humidity sensor can be installed on the air conditioner, or can be installed on an indoor wall or other electric equipment as long as the indoor environment temperature sensor can collect the indoor environment temperature and humidity and transmit the collected indoor environment temperature and humidity to the controller of the air conditioner. In addition, the surface temperature of the human body can also be the temperature of other exposed positions of the human body, such as hands, neck and/or arms, and the like.
In a preferred embodiment, step S200 further comprises:
determining the optimal body sensing temperature of the human body according to the indoor environment parameters and the human body parameters; and controlling the indoor fan to operate according to the optimal body sensing temperature. Specifically, after the indoor ambient temperature, humidity, surface temperature of the human body, and age of the human body are obtained, the optimal sensible temperature of the current user can be calculated by using big data comparison according to the correspondence between the data and the optimal sensible temperature. The big data can be stored in the air conditioner in advance, can also be stored in the cloud, and can be called from the cloud when in use. After the optimal body sensing temperature is determined, the corresponding interval time required for the indoor heat exchanger to reach the target temperature or for the indoor heat exchanger to rise to the target temperature can be calculated according to the optimal body sensing temperature; then when the indoor heat exchanger reaches the target temperature or the running time of the air conditioner reaches the interval time, the indoor fan is controlled to run, and the air blown out at the moment is hot air matched with the body sensing optimal temperature, so that the optimal use experience is guaranteed, and the comfort level of a user is improved.
For example, when the indoor environment temperature is 10 ℃, the humidity is 30%, the human body surface temperature is 5 ℃ and the human body age is 25 ℃, the optimal sensible temperature is 20 ℃ by big data comparison calculation, and the target temperature corresponding to the optimal sensible temperature may be 25 ℃, so that when the temperature of the indoor heat exchanger reaches 25 ℃, the indoor fan is turned on, the hot air blown out at this time is about 20 ℃, and the user does not feel too cold/too hot due to the blown air, and thus the user can feel comfortable.
Specifically, after step S200, the cold wind prevention control method further includes:
and storing the process data of the operation. For example, the collected indoor environment temperature, humidity, human body age and human body surface temperature at this time are stored, and the optimal sensible temperature calculated from these parameters and the target temperature of the heat exchanger or the interval time required for the heat exchanger to reach the target temperature are stored. Therefore, when the air conditioner is in heating operation, the acquired data can be compared with the data stored in the air conditioner, so that the calculation process of the data can be omitted as far as possible, and the intellectualization and the operation efficiency of the air conditioner are improved.
Specifically, when the air conditioner is in heating operation, the indoor environment temperature, the indoor environment humidity, the human body surface temperature and the human body age are firstly obtained, and whether the data are stored in the air conditioner or not is judged; when the data or the data approximate to the data (such as the data with the error within a certain range) is stored, the calculation process of the optimal body sensing temperature is directly skipped, and the indoor fan is controlled to operate by using the target temperature or the interval time corresponding to the data or the data approximate to the data. If the data or the data similar to the data are not stored in the air conditioner, the optimal body sensing temperature is continuously calculated based on the data, then the target temperature or the interval time is further determined according to the optimal body sensing temperature, and the indoor fan is controlled to operate based on the target temperature or the interval time. Therefore, the process of calculating the operation parameters of the indoor fan can be omitted, the operation is simplified, and the operation efficiency can be improved.
It should be noted that the above preferred embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can adjust the above control manner so as to adapt to more specific application scenarios without departing from the principle of the present invention.
For example, in an alternative embodiment, the indoor environment parameter and the human body parameter may be any other parameters as long as the parameters can reasonably calculate the optimal sensible temperature. For example, the indoor environment parameter may only include an indoor environment temperature or an indoor environment humidity, and the human body parameter may only be a human age.
For example, in another alternative embodiment, the optimal body sensing temperature may be determined in other manners as long as the manner is capable of reasonably determining the optimal stem temperature. For example, the optimal body sensing temperature can be calculated by an empirical formula containing factors such as the indoor environment temperature, the humidity, the human body surface temperature and the human body age.
For another example, in another alternative embodiment, the step of determining whether the air conditioner stores the indoor environmental parameters and the human body parameters may be omitted, and the parameters are collected and the corresponding optimal sensible temperature is calculated every time the air conditioner is turned on.
A cold wind prevention control process of an air conditioner in one possible embodiment of the present invention will be described with reference to fig. 2. Fig. 2 is a logic diagram of a cold wind prevention control method of an air conditioner according to the present invention.
As shown in fig. 2, after the air conditioner is turned on, the compressor and the outdoor fan are normally operated, and first, the indoor ambient temperature and the indoor ambient humidity are collected, the human facial features and the human facial temperature are collected, and the age of the person is estimated based on the human facial features. And then judging whether the data or the data similar to the data (such as the data with the error within a certain range) is stored in the air conditioner, and if the data or the data similar to the data is stored in the air conditioner, calling the interval time for the air conditioner to operate corresponding to the data or the data similar to the data. If the data or the data similar to the data are not stored in the air conditioner, the optimal body sensing temperature of a user of the current air conditioner is obtained through comparison calculation of big data according to the indoor environment temperature, the humidity, the human body temperature and the human age, and then the interval time required by the air conditioner to operate is calculated according to the optimal body sensing temperature. And after the interval time is determined, judging whether the air conditioner operates for the interval time. If the running time of the air conditioner does not reach the interval time, continuing to judge; and if the running time of the air conditioner reaches the interval time, controlling the indoor fan to run.
In addition, the present invention also provides an air conditioner including a controller configured to be able to perform the cold wind prevention control method of the air conditioner described in the above embodiment. The controller may be a control chip disposed in the indoor unit or the outdoor unit, a controller dedicated to perform the method of the present invention, or a functional module or functional unit of a general controller.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (7)
1. A method for controlling a cooling wind prevention of an air conditioner including an indoor heat exchanger and an indoor fan, the method comprising:
in the heating mode, acquiring indoor environmental parameters and human body parameters;
controlling the indoor fan to operate according to the indoor environment parameters and the human body parameters;
wherein the step of controlling the operation of the indoor fan according to the indoor environmental parameter and the human body parameter further comprises:
determining the optimal body sensing temperature of the human body according to the indoor environment parameters and the human body parameters;
controlling the indoor fan to operate according to the optimal body sensing temperature;
wherein, the step of controlling the operation of the indoor fan according to the optimal body sensing temperature further comprises:
calculating a target temperature required to be reached by the indoor heat exchanger or an interval time required for the indoor heat exchanger to rise to the target temperature according to the optimal body sensing temperature;
controlling the indoor fan to operate when the indoor heat exchanger reaches the target temperature or the operation time of the air conditioner reaches the interval time;
wherein the indoor environmental parameters include an indoor environmental temperature and an indoor environmental humidity; the human body parameters include an age of the human body and a surface temperature of the human body.
2. The cold wind prevention control method of an air conditioner according to claim 1, wherein the step of controlling the operation of the indoor fan according to the indoor environment parameter and the human body parameter further comprises:
judging whether the indoor environment parameters and the human body parameters are stored in the air conditioner;
and controlling the indoor fan to operate according to the judgment result.
3. The cold wind prevention control method of an air conditioner according to claim 2, wherein the step of controlling the operation of the indoor fan according to the judgment result further comprises:
when the indoor environment parameters and the human body parameters are not stored in the air conditioner, determining the optimal body sensing temperature of the human body according to the indoor environment parameters and the human body parameters;
and controlling the indoor fan to operate according to the optimal body sensing temperature.
4. The method of claim 1 or 3, wherein the optimal sensible temperature is determined based on a correspondence between the indoor environment parameter and the human body parameter and the optimal sensible temperature.
5. The cold wind prevention control method of an air conditioner according to claim 1 or 3, wherein after the step of controlling the operation of the indoor fan according to the optimal sensible temperature, the control method further comprises:
and storing the indoor environment parameters and the human body parameters, and target temperatures or interval time corresponding to the indoor environment parameters and the human body parameters.
6. The cold wind prevention control method of an air conditioner according to claim 2, wherein the step of controlling the operation of the indoor fan according to the judgment result further comprises:
when the indoor environment parameters and the human body parameters are stored in the air conditioner, determining target temperatures or interval time corresponding to the indoor environment parameters and the human body parameters according to the indoor environment parameters and the human body parameters;
and controlling the indoor fan to operate when the indoor heat exchanger reaches the target temperature or the operation time of the air conditioner reaches the interval time.
7. An air conditioner including a controller, characterized in that the controller is configured to be able to perform the cold wind prevention control method of any one of claims 1 to 6.
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| CN110410947A (en) * | 2019-07-11 | 2019-11-05 | 青岛海尔空调器有限总公司 | Warming comfort level measuring device, smart home system and its control method |
| CN112229115A (en) * | 2020-09-17 | 2021-01-15 | 武汉格罗夫氢能汽车有限公司 | Anti-frosting control method and system for fuel cell hydrogen energy automobile air conditioning system |
| CN113669870B (en) * | 2021-08-31 | 2022-09-23 | 佛山市顺德区美的电子科技有限公司 | Air conditioner, control method and device thereof and storage medium |
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