CN110836513B - Household split air conditioner operation strategy based on behavior data learning - Google Patents
Household split air conditioner operation strategy based on behavior data learning Download PDFInfo
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- CN110836513B CN110836513B CN201911155973.1A CN201911155973A CN110836513B CN 110836513 B CN110836513 B CN 110836513B CN 201911155973 A CN201911155973 A CN 201911155973A CN 110836513 B CN110836513 B CN 110836513B
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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
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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
Abstract
The invention relates to a household split air conditioner operation strategy based on behavior data learning, which records and stores behavior data of a user controlling the starting of an air conditioner compressor in the air conditioner operation process based on the grasp and consideration of human body to the thermal adaptation characteristics of non-air conditioner natural environment, further analyzing and processing the starting behavior data of the air conditioner compressor for a plurality of times to obtain the lower limit of the winter tolerance temperature and the upper limit of the summer tolerance temperature which are suitable for the individual heat comfort requirement of a single user, on the basis, the lower temperature tolerance limit in winter and the upper temperature tolerance limit in summer are used for replacing the lower temperature tolerance limit in winter and the upper temperature tolerance limit in summer respectively, the temperature control range of the operation of an air-conditioning compressor is enlarged, the operation strategy of the air conditioner is changed, the purposes of reducing the starting and stopping times of the air conditioner, prolonging the service life of the air conditioner and saving the electricity used by the air conditioner are achieved, and the diversified requirements of a human body on the indoor thermal environment can be met comprehensively and widely.
Description
Technical Field
The invention relates to the field of intelligent household appliances, in particular to the field of household air conditioners.
Background
The control logic commonly adopted by the existing household split air conditioner is as follows: the user sets the temperature of the indoor air conditioner through the air conditioner remote controller, and the split air conditioner determines the upper limit and the lower limit of the set temperature of the air conditioner and the room temperature variation range according to the temperature of the indoor air conditioner set by the user and the temperature precision of the temperature controller. In summer, when the internal temperature sensor detects that the return air temperature is lower than the lower limit of the set temperature of the air conditioner, the air conditioner compressor stops running; when the return air temperature is higher than the upper limit of the set temperature of the air conditioner, the air conditioner compressor starts to supply cold; in winter, when the internal temperature sensor detects that the return air temperature is higher than the upper limit of the set temperature of the air conditioner, the air conditioner compressor stops running; and when the return air temperature is lower than the set temperature lower limit of the air conditioner, the air conditioner compressor starts to supply heat. The temperature precision of the air-conditioning temperature controller is usually +/-1 ℃ or +/-0.5 ℃, and the fluctuation range of the indoor temperature is correspondingly +/-1 ℃ of the set temperature of the air conditioner or +/-0.5 ℃ of the set temperature of the air conditioner. To achieve this narrow near-constant temperature control, the air conditioning compressor will be frequently started and stopped during the operation of the air conditioner. This will affect the life of the air-conditioning product and increase the starting power consumption of the air-conditioning, on the other hand, the constant temperature and humidity environment is not good for the health and comfort of the indoor residents.
In a residential building using a split air conditioner, a resident turns on the air conditioner when feeling hot in summer and turns off the air conditioner when feeling cold, and turns on the air conditioner when feeling cold in winter and turns off the air conditioner when feeling hot in winter, and the resident can realize thermal adaptation to the indoor environment by the action of turning on and off the air conditioner. The investigation and analysis about the indoor thermal comfort condition of the summer residential building show that under the condition of the same room temperature, the thermal sensation of a human body in a summer non-air-conditioning natural environment is lower than that in a steady-state air-conditioning environment. Therefore, compared with the influence of air-conditioning cooling, the natural environment of the non-air-conditioning in summer can improve the upper limit of the room temperature at which the human body feels hot and comfortable, namely the adaptive temperature of the human body to the natural environment of the non-air-conditioning in summer is higher than the adaptive temperature to the cooling environment of the air-conditioning; similar research also finds that the adaptive temperature of the human body to the natural environment which is not air-conditioned in winter is lower than the adaptive temperature to the heating environment of the air conditioner. Based on this, researchers have proposed the concept of a tolerance temperature, which is a desired temperature for the air conditioning environment that a user artificially sets, and which is more important than the air conditioning setting temperature than depicting the tolerance limit of the user to the uncomfortable environment. The tolerance temperature comprises a summer tolerance temperature upper limit and a winter tolerance temperature lower limit, wherein the summer tolerance temperature upper limit refers to a temperature upper limit which can be tolerated by a person to the summer non-air-conditioning natural environment, and the winter tolerance temperature lower limit refers to a temperature lower limit which can be tolerated by the person to the winter non-air-conditioning natural environment. Considering the tolerance limit of a human body to a non-air-conditioning natural environment, under the working condition of summer operation, if the room temperature is lower than the set temperature lower limit of the air conditioner, the air-conditioning compressor stops operating, and after the room temperature rises and exceeds the set temperature upper limit of the air conditioner, the time interval for the air-conditioning compressor to work again depends on the difference value between the summer tolerance temperature upper limit and the set temperature of the air conditioner and increases along with the increase of the difference value. Similarly, for the winter operation condition of heating by using the air conditioner, if the room temperature is higher than the upper limit of the set temperature of the air conditioner, the air conditioner compressor stops operating, and after the room temperature is reduced to be lower than the lower limit of the set temperature of the air conditioner, the time interval for the air conditioner compressor to work again depends on the difference between the set temperature of the air conditioner and the lower limit of the winter tolerance temperature and increases along with the increase of the difference between the set temperature of the air conditioner and the lower limit of the winter tolerance temperature.
Therefore, according to the basic characteristic of human body to the thermal adaptation of non-air-conditioning natural environment, a novel household split air-conditioning operation strategy needs to be developed, the working temperature range of the air-conditioning compressor can be automatically adjusted according to the difference of human body to the thermal tolerance of non-air-conditioning natural environment, the requirement of the human body to the diversification of indoor thermal environment is more comprehensively and widely met, a comfortable and healthy indoor environment is created, and the purposes of reducing the number of times of starting and stopping the air conditioner, prolonging the service life of the air conditioner and saving the electricity consumption of the air conditioner are achieved.
Disclosure of Invention
The invention aims to: on the basis of the thermal adaptation characteristic of a human body to a non-air-conditioning natural environment, the correlation between the set temperature of the air conditioner and the thermal tolerance temperature of the human body is comprehensively considered, and on the basis of recording and analyzing the use behavior data of the user air conditioner, the lower temperature tolerance limit in winter and the upper temperature tolerance limit in summer suitable for the personalized thermal comfort requirement of the user are obtained, so that the diversification and personalization of the indoor thermal environment requirement of the user are embodied.
In order to achieve the purpose, the lower limit of the winter tolerance temperature of a single user replaces the lower limit of the air conditioner set temperature under the working condition of winter operation, and the upper limit of the summer tolerance temperature of the single user replaces the upper limit of the air conditioner set temperature under the working condition of summer operation, so that the temperature control range of the operation of the air conditioner compressor and the operation strategy of the air conditioner are changed, namely, the air conditioner compressor starts to supply cold only when the return air temperature is higher than the upper limit of the summer tolerance temperature but not the upper limit of the air conditioner set temperature in summer; and only when the return air temperature is lower than the lower limit of the winter tolerance temperature but not the lower limit of the air conditioner set temperature in winter, the air conditioner compressor starts to supply heat.
The temperature control range of the operation of the air conditioner compressor under the summer working condition is (the lower limit of the set temperature of the summer air conditioner, the upper limit T of the summer tolerance temperature)k) Wherein the lower limit of the set temperature of the summer air conditioner is-1 ℃ or 0.5 ℃ of the set temperature of the summer air conditioner;
the temperature control range of the operation of the air-conditioning compressor under the working condition in winter is (in winter)Lower limit of tolerance temperature TkUpper limit of air-conditioning set temperature in winter), the upper limit of air-conditioning set temperature in winter is equal to the air-conditioning set temperature in winter +1 ℃ or 0.5 ℃.
Advantageous effects
The invention provides a behavior data learning-based household split air conditioner operation strategy, which can meet the requirements of human bodies on diversification and individuation of indoor thermal environments to the maximum extent, build comfortable and healthy indoor environments, and achieve the aims of reducing the starting and stopping times of an air conditioner, prolonging the service life of the air conditioner and reducing the power consumption at the same time.
Drawings
FIG. 1 is a schematic block diagram of the method.
Detailed Description
Summer working condition:
the user sets the indoor air conditioner temperature through the remote controller, if the summer is 26 ℃, the preset indoor temperature fluctuation range of the traditional air conditioner remote controller is usually 26 +/-1 ℃ or 26 +/-0.5 ℃, namely under the condition that the temperature controller precision is +/-1 ℃, after the user starts the running air conditioner in summer, the compressor starts to work, when the indoor temperature is lower than 25 ℃, the compressor stops working, then the indoor temperature gradually rises, and when the indoor temperature is higher than 27 ℃, the compressor starts to work again. In order to meet the requirements of users on diversification and individuation of indoor thermal environments, the invention obtains the heat tolerance temperature of a single user to the environment by continuously learning the use behavior data of the user to the split air conditioner. The specific learning mode is as follows: starting the air conditioner for k-2 times, setting the indoor air conditioner temperature to 26 deg.C, stopping the compressor when the indoor temperature is lower than 25 deg.C, gradually increasing the indoor temperature, and selecting the compressor not to work when the indoor temperature reaches 27 deg.C, but starting the compressor again for refrigeration when the indoor temperature reaches 28 deg.C, and recording Pk-2The temperature is 28 ℃; if the user feels a heat bias at an indoor temperature of 27 ℃, a time advance method is adopted to select that the indoor temperature does not reach 27 ℃, but the temperature is controlled by the userStarting the compressor in advance, e.g. at 26.9 deg.C, at which time Pk-226.9 ℃. Similarly, the indoor temperature P when the user starts the compressor again in the process of starting the air conditioner for the k-1 th time is recordedk-128.5 deg.c, so according to the formula Tk＝(Tk-1+(Pk-1+Pk-2)/2)/2The summer tolerance temperature upper limit T of the k-th use of the air conditioner of the user can be obtainedkWherein T isk-1The upper limit of the temperature tolerance of the k-1 summer is shown. K times (k) with a sufficiently large number of pairs>100) Air conditioner operation control data TkThe summer tolerance temperature upper limit T of the subsequent arrayk+1The temperature tends to be a fixed value, and the upper limit of the summer tolerance temperature suitable for a single user is calculated and determined.
The calculation principle of the lower limit of the winter tolerance temperature is obtained by analyzing the control data of the user cold/hot delay adjustment. For the lower temperature tolerance limit in winter, the start of the compressor can be delayed if the occupant is still acceptable for the indoor hot environment during the reduction of the room temperature, and the compressor can be started in advance if the occupant feels cold. K times (k) with a sufficiently large number of pairs>100) Air conditioner operation control data TkThe lower limit T of the winter tolerance temperature of the subsequent arrayk+1And the temperature of the winter tolerance is also tended to be a fixed value, so that the lower limit of the winter tolerance temperature suitable for a single user is calculated and determined.
The use data of a user on the indoor environment temperature control of the household split air conditioner is recorded, the winter tolerance temperature lower limit and the summer tolerance temperature upper limit of a single user are obtained through learning the operation control behavior data of the air conditioner for enough times (k >100), and then the winter tolerance temperature lower limit and the summer tolerance temperature upper limit of the air conditioner are replaced respectively, the operation temperature control range of an air conditioner compressor is correspondingly enlarged, and the operation strategy of the air conditioner is changed. That is, in summer, the air-conditioning compressor starts to supply cold only when the return air temperature is higher than the upper limit of the summer tolerance temperature instead of the upper limit of the set temperature of the summer air-conditioning; and only when the return air temperature is lower than the lower limit of the winter tolerance temperature instead of the lower limit of the winter air conditioner set temperature, the air conditioner compressor starts to supply heat in winter.
The optimization of the operation strategy of the household split air conditioner can be continuously adjusted and perfected. When the main body of the user changes or the self thermal adaptation characteristics and the behavior habits of the user change, enough air conditioner operation control data can be obtained for multiple times through the method, new upper limit of the summer tolerance temperature and new lower limit of the winter tolerance temperature are obtained through calculation, and the air conditioner operation strategy is readjusted accordingly.
The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Although the embodiments of the present invention have been described, those skilled in the art may make changes, modifications, substitutions and alterations to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (1)
1. A household split air conditioner operation strategy based on behavior data learning is characterized in that: the lower limit of the winter tolerance temperature of a single user replaces the lower limit of the set temperature of the air conditioner in winter, the upper limit of the summer tolerance temperature of the single user replaces the upper limit of the set temperature of the air conditioner in summer, and the lower limit of the winter tolerance temperature of the single user is used for changing the temperature control range of the operation of the air conditioner compressor,
the operating temperature control range of the summer air conditioner compressor is (lower limit of set temperature of the summer air conditioner, upper limit T of allowable temperature of the summerk) Wherein the lower limit of the set temperature of the summer air conditioner is-1 ℃ or 0.5 ℃ of the set temperature of the summer air conditioner;
the starting temperature range of the air conditioner compressor in winter is (lower limit T of winter tolerance temperature)kThe upper limit of the air conditioner set temperature in winter), the upper limit of the air conditioner set temperature in winter is the air conditioner set temperature in winter plus 1 ℃ or 0.5 ℃;
the method for determining the upper limit of the summer tolerance temperature comprises the following steps: after the user manually turns on the running air conditioner each time, the current summer tolerance temperature upper limit is determined by the previous relevant temperature, wherein the kth summer tolerance temperature upper limit TkThe calculation formula of (a) is as follows:
Tk＝(Tk-1+(Pk-1+Pk-2)/2)/2
wherein, Pk-1Indicates the k-1 artificial opening operation of the user in summerIndoor ambient temperature when compressor is restarted after air conditioning, as Tk-Tk-1<Tolerance upper temperature limit T in summer at AkFinishing the correction, wherein A is an error;
the method for determining the lower limit of the winter tolerance temperature comprises the following steps: after the user manually turns on the running air conditioner each time, the lower limit of the current winter tolerance temperature is determined by the previous relevant temperature, wherein the lower limit T of the kth winter tolerance temperature iskThe calculation formula of (a) is as follows:
Tk＝(Tk-1+(Pk-1+Pk-2)/2)/2
wherein, Pk-1Indicates the indoor environment temperature when the compressor is restarted after the user manually starts the running air conditioner for the k-1 th time in winter, and when the temperature is Tk-Tk-1<The lower limit T of the temperature tolerance in winter when A is usedkThe correction of (4) is ended.
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