CN111380171A - Control method of air conditioner, air conditioner and storage medium - Google Patents
Control method of air conditioner, air conditioner and storage medium Download PDFInfo
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- CN111380171A CN111380171A CN202010227690.XA CN202010227690A CN111380171A CN 111380171 A CN111380171 A CN 111380171A CN 202010227690 A CN202010227690 A CN 202010227690A CN 111380171 A CN111380171 A CN 111380171A
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- air conditioner
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F2110/12—Temperature of the outside air
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of an air conditioner, which comprises the following steps: determining the heat leakage quantity of a room in an action space of the air conditioner; determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage quantity of the room; and controlling the air conditioner to operate at the current operation frequency. The invention also discloses an air conditioner and a computer readable storage medium. The invention improves the accuracy of indoor temperature regulation.
Description
Technical Field
The present invention relates to the field of air conditioners, and in particular, to a method for controlling an air conditioner, and a computer-readable storage medium.
Background
At present, the control method of the air conditioner generally takes the temperature set by the user as the target, and adjusts the operation frequency of the compressor by combining the environmental temperature. The control method does not consider the actual environmental factors of the room, so that the problem of inaccurate indoor temperature regulation can occur in the actual control, and the comfort and the satisfaction degree of the user are greatly influenced.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a control method of an air conditioner, the air conditioner and a computer readable storage medium, which improve the accuracy of indoor temperature regulation.
In order to achieve the above object, the present invention provides a method for controlling an air conditioner, comprising the steps of:
determining the heat leakage quantity of a room in an action space of the air conditioner;
determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage quantity of the room;
and controlling the air conditioner to operate at the current operation frequency.
Optionally, the step of determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage amount of the room comprises:
determining a temperature interval in which a difference value between the current indoor temperature and the set temperature is located;
determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room;
and when the heat leakage amount of the room is not changed, determining that the obtained current operating frequency is higher when the temperature value of the temperature interval in which the difference value is positioned is higher.
Optionally, after the step of determining the temperature interval in which the difference between the current indoor temperature and the set temperature is located, the method further includes:
when the temperature interval is different from the last acquired temperature interval, executing the step of determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room;
and the step of determining the temperature interval in which the difference between the current indoor temperature and the set temperature is located is executed regularly.
Optionally, the step of determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage amount of the room comprises:
when the heat leakage quantity of the room is detected to be larger than a preset threshold value, acquiring a first operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner;
when the heat leakage quantity of the room is detected to be smaller than or equal to a preset threshold value, acquiring a second operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner;
and in the operating frequencies corresponding to the same temperature interval, the first operating frequency is greater than the second operating frequency.
Optionally, the number of the temperature intervals is at least two, wherein the second operating frequency corresponding to the temperature interval with a high temperature value is greater than the first operating frequency corresponding to the temperature interval with a low temperature value.
Optionally, the step of determining the heat leakage of the room in the space where the air conditioner acts comprises:
acquiring the current outdoor temperature, room size information in an air conditioner acting space and the temperature of an indoor wall;
and determining the heat leakage quantity of the room in the space acted by the air conditioner according to the current outdoor temperature, the room size information and the temperature of the indoor wall.
Optionally, the step of determining the heat leakage of the room in the space where the air conditioner acts comprises:
acquiring the current outdoor temperature, and room size information, window size information and indoor wall temperature in an air conditioner acting space;
and determining the heat leakage quantity of the room in the air conditioner acting space according to the current outdoor temperature, the room size information, the window size information and the indoor wall temperature.
Optionally, the temperature of the indoor wall is determined by temperature values detected by at least two preset temperature sensors;
the air conditioner comprises an air conditioner body, a preset temperature sensor and a communication device, wherein the preset temperature sensor is arranged in the air conditioner body, and/or the preset temperature sensor is arranged on a wall in an action space of the air conditioner body and is in communication connection with the air conditioner body.
In order to achieve the above object, the present invention also provides an air conditioner, comprising:
the air conditioner comprises a memory, a processor and a control program of the air conditioner, wherein the control program of the air conditioner is stored on the memory and can run on the processor, and when being executed by the processor, the control program of the air conditioner realizes the steps of the control method of the air conditioner.
To achieve the above object, the present invention also provides a computer-readable storage medium having a control program of an air conditioner stored thereon, which, when executed by a processor, implements the steps of the control method of the air conditioner as described above.
The control method of the air conditioner, the air conditioner and the computer readable storage medium provided by the invention are used for determining the heat leakage quantity of a room in an action space of the air conditioner; determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage quantity of the room; and controlling the air conditioner to operate at the current operation frequency. Thus, the accuracy of the indoor temperature adjustment is improved.
Drawings
Fig. 1 is a schematic diagram of a hardware operating environment of a terminal according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a control method of an air conditioner according to a first embodiment of the present invention;
FIG. 3 is a flow chart illustrating a control method of an air conditioner according to a second embodiment of the present invention;
FIG. 4 is a flow chart illustrating a control method of an air conditioner according to a third embodiment of the present invention;
fig. 5 is a flowchart illustrating a control method of an air conditioner according to a fourth embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a control method of an air conditioner, which improves the accuracy of indoor temperature adjustment.
As shown in fig. 1, fig. 1 is a schematic diagram of a hardware operating environment of a terminal according to an embodiment of the present invention;
the terminal of the embodiment of the invention can be an air conditioner, and also can be a control device or a server for controlling the air conditioner.
As shown in fig. 1, the terminal may include: a processor 1001, such as a Central Processing Unit (CPU), a memory 1002, and a communication bus 1003. The communication bus 1003 is used for implementing connection communication between the components in the terminal. The memory 1002 may be a random-access memory (RAM) or a non-volatile memory (non-volatile memory), such as a disk memory. The memory 1002 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the terminal shown in fig. 1 is not intended to be limiting of the terminal of embodiments of the present invention and may include more or less components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a control program of the air conditioner may be included in the memory 1002 as a kind of computer storage medium.
In the terminal shown in fig. 1, the processor 1001 may be configured to call a control program of the air conditioner stored in the memory 1002, and perform the following operations:
determining the heat leakage quantity of a room in an action space of the air conditioner;
determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage quantity of the room;
and controlling the air conditioner to operate at the current operation frequency.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
determining a temperature interval in which a difference value between the current indoor temperature and the set temperature is located;
determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room;
and when the heat leakage amount of the room is not changed, determining that the obtained current operating frequency is higher when the temperature value of the temperature interval in which the difference value is positioned is higher.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
when the temperature interval is different from the last acquired temperature interval, executing the step of determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room;
and the step of determining the temperature interval in which the difference between the current indoor temperature and the set temperature is located is executed regularly.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
when the heat leakage quantity of the room is detected to be larger than a preset threshold value, acquiring a first operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner;
when the heat leakage quantity of the room is detected to be smaller than or equal to a preset threshold value, acquiring a second operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner;
and in the operating frequencies corresponding to the same temperature interval, the first operating frequency is greater than the second operating frequency.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
the temperature intervals are at least two, wherein the second operating frequency corresponding to the temperature interval with a high temperature value is greater than the first operating frequency corresponding to the temperature interval with a low temperature value.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
acquiring the current outdoor temperature, room size information in an air conditioner acting space and the temperature of an indoor wall;
and determining the heat leakage quantity of the room in the space acted by the air conditioner according to the current outdoor temperature, the room size information and the temperature of the indoor wall.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
acquiring the current outdoor temperature, and room size information, window size information and indoor wall temperature in an air conditioner acting space;
and determining the heat leakage quantity of the room in the air conditioner acting space according to the current outdoor temperature, the room size information, the window size information and the indoor wall temperature.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
the temperature of the indoor wall is determined by temperature values detected by at least two preset temperature sensors;
the air conditioner comprises an air conditioner body, a preset temperature sensor and a communication device, wherein the preset temperature sensor is arranged in the air conditioner body, and/or the preset temperature sensor is arranged on a wall in an action space of the air conditioner body and is in communication connection with the air conditioner body.
Further, the processor 1001 may call a control program of the air conditioner stored in the memory 1002, and also perform the following operations:
and receiving and storing the room size information sent by the associated terminal of the air conditioner.
Referring to fig. 2, in an embodiment, a control method of an air conditioner includes:
and step S10, determining the heat leakage quantity of the room in the air conditioner acting space.
In this embodiment, the room leakage heat is a parameter that causes heat change inside the room when heat inside the room is exchanged with heat outside the room.
Optionally, when the air conditioner is started to operate, the terminal obtains the current outdoor temperature, and room size information and indoor wall temperature in the air conditioner acting space.
Optionally, the air conditioner is provided with an outdoor temperature sensor for acquiring a current outdoor temperature.
Optionally, the temperature of the indoor wall is detected by a preset temperature sensor, wherein a distance between the preset temperature sensor and a target wall in the air conditioner action space is smaller than or equal to a preset distance. The predetermined distance may be selected to be 0-0.5 cm.
Optionally, a preset temperature sensor is arranged in the air conditioner; or the preset temperature sensor is in communication connection with the air conditioner, and the preset temperature sensor detects the temperature of the indoor wall and sends the temperature of the indoor wall to the air conditioner.
Optionally, when the air conditioner is operated for the first time, the terminal may detect the room through the detection device to obtain the room size information; or the terminal may be the room size information transmitted by the associated terminal receiving the air conditioner. When the air conditioner is not operated for the first time, the terminal can acquire the pre-stored room size information in the air conditioner acting space.
The room size information includes length, width and height information of the room.
Optionally, the terminal determines the heat leakage of the room in the space where the air conditioner acts according to the current outdoor temperature, the room size information and the temperature of the indoor wall.
And step S20, determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage quantity of the room.
Optionally, the air conditioner is further provided with an indoor temperature sensor, and the terminal can acquire the current indoor temperature in the air conditioner acting space through the indoor temperature sensor.
Optionally, after obtaining the current indoor temperature and the current set temperature of the air conditioner, the terminal calculates a difference between the current indoor temperature and the set temperature as a first difference. When the air conditioner operates in a cooling mode, the first difference value is obtained by subtracting a set temperature from the current indoor temperature; when the air conditioner operates in the heating mode, the first difference is the set temperature minus the current indoor temperature.
Further, the terminal determines the current operating frequency of the compressor of the air conditioner according to the first difference value and the room heat leakage amount.
Optionally, the terminal determines a temperature interval in which a first difference between the current indoor temperature and the set temperature is located, and then obtains an operating frequency associated with the temperature interval in which the first difference is located according to the heat leakage amount of the room, as the current operating frequency of the air conditioner.
The temperature ranges are at least two, and the minimum temperature in the temperature range with the high temperature value is higher than the maximum temperature in the temperature range with the low temperature value. And when the heat leakage amount of the room is not changed, the higher the temperature value of the temperature interval where the first difference value is located is, the higher the current operation frequency is determined to be.
Optionally, after determining the temperature interval in which the first difference is located, the terminal acquires a first operating frequency and a second operating frequency associated with the temperature area.
The number of the temperature intervals is at least two, and the second operating frequency corresponding to the temperature interval with a high temperature value is greater than the first operating frequency corresponding to the temperature interval with a low temperature value; and in the operating frequency corresponding to the same temperature interval, the first operating frequency is greater than the second operating frequency.
Optionally, after the terminal obtains the first operating frequency and the second operating frequency corresponding to the temperature interval in which the first difference is located, the heat leakage amount of the room is compared with a preset threshold.
And when the heat leakage quantity of the room is detected to be larger than a preset threshold value, acquiring a first operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner.
And when the heat leakage quantity of the room is detected to be smaller than or equal to a preset threshold value, acquiring a second operation frequency corresponding to the temperature interval as the current operation frequency of the air conditioner.
Wherein, the value range of the preset threshold value can be selected from-2 to 2, and can be selected as 0. Or, the air conditioner operates in a refrigeration mode, and the preset threshold value is a first threshold value; the preset threshold value of the air conditioner in the heating mode is a second threshold value; the first threshold is larger than the second threshold, the first threshold is larger than 0, and the second threshold is smaller than 0.
And step S30, controlling the air conditioner to operate at the current operation frequency.
Optionally, after determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage amount of the room, the terminal controls the compressor of the air conditioner to determine the obtained current operating frequency to operate.
In one embodiment, the heat leakage of a room in an air conditioner action space is determined; determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage quantity of the room; and controlling the air conditioner to operate at the current operation frequency. Therefore, the temperature difference between the current indoor temperature and the set temperature and the heat leakage quantity of the room in the action space of the air conditioner are comprehensively considered for determining the operating frequency of the air conditioner, so that the accuracy of indoor temperature regulation is improved, and the comfort and the satisfaction of a user using the air conditioner can be improved.
In a second embodiment, as shown in fig. 3, based on the embodiment shown in fig. 2, the step of determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage amount of the room includes:
and step S21, determining a temperature interval in which the difference between the current indoor temperature and the set temperature is located.
And step S22, determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room.
In this embodiment, when the heat leakage amount of the room is not changed, the higher the temperature value of the temperature interval in which the difference is located, the higher the current operating frequency is determined to be.
Optionally, the number of temperature intervals is at least two, wherein each temperature interval has its corresponding first and second operating frequencies. The second operating frequency corresponding to the temperature interval with the high temperature value is greater than the first operating frequency corresponding to the temperature interval with the low temperature value; and in the operating frequency corresponding to the same temperature interval, the first operating frequency is greater than the second operating frequency.
Optionally, the temperature interval includes a first temperature interval, a second temperature interval, and a third temperature interval, where a temperature value of the first temperature interval is higher than a temperature value of the second temperature interval, and a temperature value of the second temperature interval is higher than a temperature value of the third temperature interval.
Furthermore, the second operating frequency corresponding to the first temperature interval is greater than the first operating frequency corresponding to the second temperature interval; and the second operating frequency corresponding to the second temperature interval is greater than the first operating frequency corresponding to the third temperature interval.
Optionally, the temperature value of the first temperature interval is [2 ℃, + ∞), the first operating frequency corresponding to the first temperature interval is denoted as F1, and the second operating frequency corresponding to the first temperature interval is denoted as F2; the temperature value of the second temperature interval is [0 ℃,2 ℃), the first operating frequency corresponding to the second temperature interval is recorded as F3, and the second operating frequency corresponding to the second temperature interval is recorded as F4; the temperature value of the third temperature interval is [ -2 ℃,0 ℃), the first operating frequency corresponding to the third temperature interval is recorded as F5, and the second operating frequency corresponding to the third temperature interval is recorded as F6. Wherein F6< F5< F4< F3< F2< F1.
Optionally, after determining the temperature interval in which the first difference is located, the terminal acquires a first operating frequency and a second operating frequency associated with the temperature area.
Optionally, after the terminal obtains the first operating frequency and the second operating frequency corresponding to the temperature interval in which the first difference is located, the heat leakage amount of the room is compared with a preset threshold.
And when the heat leakage quantity of the room is detected to be larger than a preset threshold value, acquiring a first operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner.
And when the heat leakage quantity of the room is detected to be smaller than or equal to a preset threshold value, acquiring a second operation frequency corresponding to the temperature interval as the current operation frequency of the air conditioner.
In one embodiment, a temperature interval in which the difference between the current indoor temperature and the set temperature is located is determined; and determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room. Thus, the accuracy of indoor temperature adjustment is improved, and the comfort and satisfaction of the user using the air conditioner can be improved.
In a third embodiment, as shown in fig. 4, on the basis of the above embodiments of fig. 2 to 3, after the step of determining the temperature interval in which the difference between the current indoor temperature and the set temperature is located, the method further includes:
and step S23, when the temperature interval is different from the last acquired temperature interval, executing the step of determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room.
In this embodiment, after executing step S30, the terminal executes the step of determining the temperature zone in which the difference between the current indoor temperature and the set temperature is located at regular time (i.e., executes step S21 at regular time).
It should be noted that the timing duration can be set by an engineer according to actual requirements.
Optionally, when detecting that the temperature interval is different from the last acquired temperature interval (i.e., when detecting that the temperature interval at which the first difference is located is changed), the terminal returns to perform the step of determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage amount of the room (i.e., step S22).
Further, after re-determining the current operating frequency of the air conditioner, the terminal controls the compressor of the air conditioner to operate at the newly determined current operating frequency.
Therefore, the running frequency of the air conditioner can be adjusted in time according to the change of the first difference, so that the accuracy of indoor temperature adjustment is improved, and the purpose of effectively saving the energy consumption of the air conditioner can be achieved.
Alternatively, the terminal may perform the step of determining the amount of heat leakage from the room in the air conditioner operation space at regular time (i.e., perform step S10 at regular time) after performing step S30. And when the terminal detects that the comparison result between the room heat leakage amount and the preset threshold value is changed, returning to the step of determining the current operating frequency of the air conditioner according to the temperature interval and the room heat leakage amount (namely step S22).
Further, after re-determining the current operating frequency of the air conditioner, the terminal controls the compressor of the air conditioner to operate at the newly determined current operating frequency.
It should be noted that the case where the comparison result between the room heat leakage amount and the preset threshold is changed may be: the comparison result between the last room heat leakage amount and the preset threshold value is that the room heat leakage amount is larger than the preset threshold value, and the current room heat leakage amount is changed to be smaller than or equal to the preset threshold value; or the comparison result between the last room heat leakage amount and the preset threshold value is that the room heat leakage amount is smaller than or equal to the preset threshold value, and the room heat leakage amount is changed to be larger than the preset threshold value at present.
Therefore, the running frequency of the air conditioner can be adjusted in time according to the change of the heat leakage quantity of the room, so that the accuracy of indoor temperature adjustment is improved, and the aim of effectively saving the energy consumption of the air conditioner can be fulfilled.
In a fourth embodiment, as shown in fig. 5, based on the above embodiments of fig. 2 to 4, the step of determining the heat leakage amount of the room in the space where the air conditioner operates includes:
and step S11, acquiring the current outdoor temperature, and room size information and indoor wall temperature in the air conditioner action space.
And step S12, determining the heat leakage quantity of the room in the air conditioner acting space according to the current outdoor temperature, the room size information and the indoor wall temperature.
In this embodiment, when the user installs the air conditioner (or operates the air conditioner for the first time), the room size information may be input to the air conditioner through the associated terminal, and the room size information is stored when the air conditioner receives the room size information sent by the associated terminal.
Of course, it should be understood that the user may adjust the room size information stored in the air conditioner through the associated terminal at any time according to the actual needs.
Alternatively, after the air conditioner is started to operate, the air conditioner detects the current outdoor temperature and the current indoor wall temperature respectively through an outdoor temperature detection device on the outdoor machine side and a preset temperature sensor on the indoor machine side.
Alternatively, the terminal may calculate the amount of heat leakage from the room in the air conditioner operation space according to the equation Q ═ kA (T-Tw) for heat transfer after obtaining the current outdoor temperature, room size information, and indoor wall temperature.
And k is the heat transfer coefficient of the wall, and the heat transfer coefficient of the wall is determined by the wall structure in the air conditioner acting space. May be the heat transfer coefficient of the wall corresponding to the concrete structure by default.
And A is the total area of the wall of the room calculated according to the room size information.
Wherein T is the current outdoor temperature.
Wherein Tw is the temperature of the indoor wall.
Thus, the heat leakage quantity of the room in the acting space of the air conditioner can be obtained definitely.
Alternatively, before performing step S10, the terminal may determine the heat transfer coefficient of the wall according to the current outdoor temperature and the indoor temperature before the air conditioner cools/heats.
Like this, realize the room heat leakage in the accurate definite air conditioner effect space for when confirming the operating frequency of air conditioner according to the room heat leakage, can be more accurately turn the indoor temperature in the air conditioner effect space into.
Alternatively, the temperature of the indoor wall in the space where the air conditioner is operated may be determined according to temperature values detected by at least two preset temperature sensors. The air conditioner comprises an air conditioner action space, a temperature sensor and a temperature sensor, wherein the air conditioner action space is provided with at least four preset temperature sensors, and each wall in the air conditioner action space is provided with at least one preset temperature sensor for detecting a temperature value corresponding to the wall.
Optionally, the preset temperature sensor is provided in the air conditioner. And/or, the preset temperature sensor is arranged on a wall in the air conditioner action space and is in communication connection with the air conditioner, and after the preset temperature sensor detects a temperature value corresponding to the wall, the preset temperature sensor communicates with the air conditioner and sends the detected temperature value to the air conditioner.
For example, when the indoor unit side of the air conditioner is provided with the preset temperature sensor, at least one preset temperature sensor may be further provided on each of the other three walls farthest from the air conditioner; when the indoor unit side of the air conditioner is not provided with the preset temperature sensor, at least one preset temperature sensor can be respectively arranged on four walls in the acting space of the air conditioner.
Optionally, after the terminal obtains temperature values detected by at least two preset temperature sensors, the average value of the temperature values is calculated and used as the temperature of the indoor wall. Thus, the accuracy of detecting the temperature of the indoor wall can be improved.
Optionally, when the terminal acquires the room size information, the terminal may also acquire window size information in the air conditioner operating space. Of course, the room size information may be transmitted to the air conditioner by the user through the associated terminal.
Optionally, the terminal calculates the total area of the window according to the window size information.
Then, when the terminal calculates the total area of the wall of the room according to the size information of the room, the total area of the window needs to be subtracted, and the finally obtained area is the total area of the wall of the room.
Alternatively, after obtaining the current outdoor temperature, the total area of the wall of the room and the temperature of the wall of the room, the terminal may calculate the wall heat leakage Q1 in the air conditioner working space according to the calculation formula Q1 ═ k1a1(T-Tw) of heat transfer science.
Wherein k1 is the heat transfer coefficient of the wall corresponding to the concrete structure.
Wherein, A1 is the total area of the wall of the room calculated according to the size information of the room and obtained by subtracting the total area of the window.
Wherein, T is the current outdoor temperature, Tw is the indoor wall temperature.
Alternatively, the terminal may calculate the amount of window leakage heat Q2 in the air conditioner operation space according to the heat transfer theory calculation formula Q2 ═ k2a2(T-Tw) after obtaining the current outdoor temperature, the total window area, and the indoor wall temperature.
Where k2 is the heat transfer coefficient corresponding to the window (glass), and the specific value can be obtained by the common knowledge.
Wherein A2 is the total window area.
Wherein, T is the current outdoor temperature, Tw is the indoor wall temperature.
Optionally, after the terminal obtains the window heat leakage amount and the wall heat leakage amount, the window heat leakage amount and the wall heat leakage amount are added, and the sum value obtained finally is used as the room heat leakage amount in the air conditioner acting space.
Therefore, by considering the area of the indoor window as one of the factors for determining the heat leakage amount of the room, when the area of the window installed in the home of the user is larger (if the window is installed on the floor), the situation that the difference between the calculated value and the actual value of the heat leakage amount of the room is too large due to the difference of the heat transfer coefficients between the window and the wall body can be avoided.
In one embodiment, the current outdoor temperature, the room size information in the space where the air conditioner acts and the temperature of the indoor wall are obtained; and determining the heat leakage quantity of the room in the space acted by the air conditioner according to the current outdoor temperature, the room size information and the temperature of the indoor wall.
In addition, the present invention further provides an air conditioner, which includes a memory, a processor and a control program of the air conditioner stored in the memory and operable on the processor, wherein the processor implements the steps of the control method of the air conditioner according to the above embodiment when executing the control program of the air conditioner.
Furthermore, the present invention also proposes a computer-readable storage medium including a control program of an air conditioner, which implements the steps of the control method of the air conditioner as described in the above embodiments when executed by a processor.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is an alternative embodiment. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a television, a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A control method of an air conditioner is characterized by comprising the following steps:
determining the heat leakage quantity of a room in an action space of the air conditioner;
determining the current operating frequency of the air conditioner according to the current indoor temperature, the set temperature and the heat leakage quantity of the room;
and controlling the air conditioner to operate at the current operation frequency.
2. The method of controlling an air conditioner according to claim 1, wherein the step of determining the current operating frequency of the air conditioner based on the current indoor temperature, the set temperature, and the amount of leakage heat of the room comprises:
determining a temperature interval in which a difference value between the current indoor temperature and the set temperature is located;
determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room;
and when the heat leakage amount of the room is not changed, determining that the obtained current operating frequency is higher when the temperature value of the temperature interval in which the difference value is positioned is higher.
3. The control method of an air conditioner according to claim 2, wherein the step of determining a temperature section in which the difference between the current indoor temperature and the set temperature is located, further comprises:
when the temperature interval is different from the last acquired temperature interval, executing the step of determining the current operating frequency of the air conditioner according to the temperature interval and the heat leakage quantity of the room;
and the step of determining the temperature interval in which the difference between the current indoor temperature and the set temperature is located is executed regularly.
4. The control method of an air conditioner according to claim 2 or 3, wherein the step of determining the current operating frequency of the air conditioner according to the temperature zone and the amount of heat leakage of the room comprises:
when the heat leakage quantity of the room is detected to be larger than a preset threshold value, acquiring a first operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner;
when the heat leakage quantity of the room is detected to be smaller than or equal to a preset threshold value, acquiring a second operating frequency corresponding to the temperature interval as the current operating frequency of the air conditioner;
and in the operating frequencies corresponding to the same temperature interval, the first operating frequency is greater than the second operating frequency.
5. The method as claimed in claim 4, wherein the temperature ranges are at least two, and the second operating frequency corresponding to the temperature range with a high temperature value is greater than the first operating frequency corresponding to the temperature range with a low temperature value.
6. The method for controlling an air conditioner according to claim 1, wherein the step of determining the amount of heat leakage from the room in the operating space of the air conditioner comprises:
acquiring the current outdoor temperature, room size information in an air conditioner acting space and the temperature of an indoor wall;
and determining the heat leakage quantity of the room in the space acted by the air conditioner according to the current outdoor temperature, the room size information and the temperature of the indoor wall.
7. The method for controlling an air conditioner according to claim 1, wherein the step of determining the amount of heat leakage from the room in the operating space of the air conditioner comprises:
acquiring the current outdoor temperature, and room size information, window size information and indoor wall temperature in an air conditioner acting space;
and determining the heat leakage quantity of the room in the air conditioner acting space according to the current outdoor temperature, the room size information, the window size information and the indoor wall temperature.
8. The control method of an air conditioner according to claim 6 or 7, wherein the indoor wall temperature is determined by temperature values detected by at least two preset temperature sensors;
the air conditioner comprises an air conditioner body, a preset temperature sensor and a communication device, wherein the preset temperature sensor is arranged in the air conditioner body, and/or the preset temperature sensor is arranged on a wall in an action space of the air conditioner body and is in communication connection with the air conditioner body.
9. An air conditioner, characterized in that the air conditioner comprises a memory, a processor, and a control program of the air conditioner stored on the memory and executable on the processor, the control program of the air conditioner realizing the steps of the control method of the air conditioner according to any one of claims 1 to 8 when executed by the processor.
10. A computer-readable storage medium, characterized in that a control program of an air conditioner is stored thereon, which when executed by a processor implements the steps of the control method of the air conditioner according to any one of claims 1 to 8.
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