CN111426024A - Operation mode control method for air conditioner and air conditioner - Google Patents

Operation mode control method for air conditioner and air conditioner Download PDF

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Publication number
CN111426024A
CN111426024A CN202010287426.5A CN202010287426A CN111426024A CN 111426024 A CN111426024 A CN 111426024A CN 202010287426 A CN202010287426 A CN 202010287426A CN 111426024 A CN111426024 A CN 111426024A
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coefficient
air conditioner
mode
operation mode
illumination
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CN111426024B (en
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蔺怀钰
赵永俊
徐艳丽
陈九龙
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Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
    • F24F2130/20—Sunlight
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Signal Processing (AREA)
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  • Fuzzy Systems (AREA)
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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention belongs to the technical field of air conditioners and aims to solve the problem that the comfort level of a room is influenced because the conventional air conditioner cannot be automatically adjusted according to the change of the environment. Therefore, the invention provides an operation mode control method for an air conditioner and the air conditioner, wherein the operation mode control method comprises the following steps: acquiring an illumination coefficient; acquiring indoor temperature; calculating the temperature difference between the indoor temperature and the target temperature; and then selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference. Through the arrangement, the air conditioner can automatically adjust the operation mode according to the change of the illumination coefficient and the temperature difference value between the indoor temperature and the target temperature in the operation process so as to ensure the comfort of a room; in addition, the accuracy of the operation mode control method can be improved by comprehensively controlling the illumination coefficient and the temperature difference value between the indoor temperature and the target temperature.

Description

Operation mode control method for air conditioner and air conditioner
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides an operation mode control method for an air conditioner and the air conditioner.
Background
An air conditioner is an apparatus capable of cooling/heating a room. With the development of society, the air conditioner becomes an essential electric appliance for each family and each office, and the living standard of people is greatly improved.
Most of the existing air conditioners can only operate according to an operation mode set by a user, however, the indoor temperature can gradually change along with the operation of the air conditioner, and if the air conditioner still operates according to the operation mode set by the user initially, the indoor comfort level can be influenced. For example, in summer, the indoor temperature gradually decreases with the operation of the air conditioner, and after the indoor temperature decreases to the temperature set by the user, if the air conditioner continues to perform the cooling operation, the indoor temperature may continue to decrease, and finally the indoor temperature is too low, which may affect the indoor comfort.
Therefore, there is a need in the art for an operation mode control method for an air conditioner and a corresponding air conditioner to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that the existing air conditioner cannot be automatically adjusted according to the change of the environment, thereby affecting the comfort level of the room, the present invention provides an operation mode control method for an air conditioner, the operation mode control method comprising: acquiring an illumination coefficient; acquiring indoor temperature; calculating a temperature difference value between the indoor temperature and a target temperature; and selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference.
In a preferred embodiment of the above method for controlling an operation mode, the step of "selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference" specifically includes: according to the formulaCalculating the mode adjustment coefficient, { (Δ T- Δ T) { (Δ M ═ T {)1)+M/(ΔT－ΔT1) Where Δ M is a mode adjustment coefficient, phi is the illumination coefficient, Δ T is the temperature difference, Δ T1When the current operation mode of the air conditioner is the air supply mode, M is equal to M1When the current operation mode of the air conditioner is a cooling mode or a heating mode, M is equal to M2Wherein M is1Is a first set value, M2Is a second set value, and M1＜M2(ii) a And selectively adjusting the operation mode of the air conditioner according to the mode adjusting coefficient.
In a preferred embodiment of the above operation mode control method, the operation mode control method further includes: comparing the illumination coefficient and the temperature difference value with a first set coefficient and the first preset value, respectively, before performing the step of calculating the mode adjustment coefficient according to the formula; and if the illumination coefficient is not smaller than the first set coefficient or the temperature difference value is not smaller than the first preset value, executing the step of calculating a mode adjusting coefficient according to a formula.
In a preferred embodiment of the above operation mode control method, the operation mode control method further includes: and if the illumination coefficient is smaller than the first set coefficient and the temperature difference value is smaller than the first preset value, the step of calculating a mode adjusting coefficient according to a formula is not executed, and the air conditioner is directly operated in an air supply mode.
In a preferred embodiment of the above operation mode control method, the step of "selectively adjusting the operation mode of the air conditioner according to the mode adjustment coefficient" includes: comparing the mode adjustment coefficient with a second preset value; and if the mode adjusting coefficient is smaller than the second preset value, enabling the air conditioner to operate in an air supply mode.
In a preferred embodiment of the above operation mode control method, the step of "selectively adjusting the operation mode of the air conditioner according to the mode adjustment coefficient" further includes: and if the mode adjusting coefficient is not less than the second preset value, enabling the air conditioner to operate in a cooling mode or a heating mode.
In a preferred embodiment of the above operation mode control method, the operation mode control method further includes: and if the illumination coefficient is smaller than the first set coefficient, the temperature difference value is smaller than the first preset value and the indoor humidity is larger than a third preset value, the step of calculating the mode adjusting coefficient according to a formula is not executed, and the air conditioner is directly operated in a dehumidification mode.
In the preferred technical solution of the above operation mode control method, "acquiring an illumination coefficient" specifically includes: acquiring current season information, and determining a first coefficient according to the current season information; acquiring current weather information, and determining a second coefficient according to the current weather information; determining a third coefficient according to the climate where the air conditioner is located; acquiring current time, and determining a fourth coefficient according to the current time; determining a fifth coefficient according to the indoor area of a room where the indoor unit of the air conditioner is located; determining a sixth coefficient according to the height position of the room where the indoor unit of the air conditioner is located; determining a seventh coefficient according to the lighting environment of the room where the indoor unit of the air conditioner is located; calculating the illumination coefficient according to the first coefficient, the second coefficient, the third coefficient, the fourth coefficient, the fifth coefficient, the sixth coefficient, and the seventh coefficient.
In a preferred embodiment of the foregoing operation mode control method, the step of "calculating the illumination coefficient based on the first coefficient, the second coefficient, the third coefficient, the fourth coefficient, the fifth coefficient, the sixth coefficient, and the seventh coefficient" specifically includes: calculated according to the formula, (k)1×k2×k3+k4×k5×k6×k7) 2, where phi is the illumination coefficient, k1Is said first coefficient, k2Is said second coefficient, k3Is said third coefficient, k4Is said fourth coefficient, k5Is the fifth coefficient, k6Is the sixth coefficient, k7Is the seventh coefficient.
In another aspect, the present invention also provides an air conditioner including a controller configured to be able to perform the above-described operation mode control method.
As can be understood by those skilled in the art, in the preferred embodiment of the present invention, by obtaining the illumination coefficient; acquiring indoor temperature; calculating the temperature difference between the indoor temperature and the target temperature; and then selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference. Through the arrangement, the air conditioner can automatically adjust the operation mode according to the change of the environment in the operation process so as to ensure the comfort of a room; and the accuracy of the operation mode control method can be improved by comprehensively controlling the illumination coefficient and the temperature difference value between the indoor temperature and the target temperature.
Further, the step of "selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference" specifically includes: calculating a mode adjustment coefficient according to the formula, wherein delta M { (delta T-delta T) { (1)+M/(ΔT－ΔT1) Where Δ M is a mode adjustment coefficient, phi is the illumination coefficient, Δ T is the temperature difference, Δ T1When the current operation mode of the air conditioner is the air supply mode, M is equal to M1When the current operation mode of the air conditioner is a cooling mode or a heating mode, M is equal to M2Wherein M is1Is a first set value, M2Is a second set value, and M1＜M2(ii) a The operation mode of the air conditioner is selectively adjusted according to the mode adjustment coefficient. Through the arrangement, the accuracy of the control method can be further improved; specifically, the present invention does not simply compare the illumination coefficient and the temperature difference value with the preset values, but calculates the mode adjustment coefficient according to the illumination coefficient, the temperature difference value, the first preset value and the current air-out speed of the air conditioner (the calculation formula is obtained by the inventor according to a large amount of test data), and then selectively adjusts the operation mode of the air conditioner according to the mode adjustment coefficient, by comprehensively considering the light and the temperature difference valueAccording to the coefficient, the temperature difference value and the current operation mode of the air conditioner, the control method is more scientific and has higher accuracy.
Further, the operation mode control method of the present invention further includes: comparing the illumination coefficient and the temperature difference value with a first set coefficient and a first preset value respectively before executing the step of calculating the mode adjustment coefficient according to a formula; if the illumination coefficient is smaller than the first set coefficient and the temperature difference is smaller than the first preset value, the step of calculating the mode adjusting coefficient according to the formula is not executed, and the air conditioner is directly operated in the air supply mode. Through the arrangement, the control method is more flexible, and the calculation amount can be reduced, so that the efficiency is improved; specifically, when the illumination coefficient is smaller than a first set coefficient and the temperature difference is smaller than a first preset value, it is indicated that the influence of the outside illumination condition on the indoor temperature is small and the indoor temperature is relatively close to the target temperature, which belongs to a relatively simple judgment situation.
Further, the step of "obtaining the illumination coefficient" specifically includes: acquiring current season information, and determining a first coefficient according to the current season information; acquiring current weather information, and determining a second coefficient according to the current weather information; determining a third coefficient according to the climate where the air conditioner is located; acquiring current time, and determining a fourth coefficient according to the current time; determining a fifth coefficient according to the indoor area of a room where an indoor unit of the air conditioner is located; determining a sixth coefficient according to the height position of a room where an indoor unit of the air conditioner is located; determining a seventh coefficient according to the lighting environment of the room where the indoor unit of the air conditioner is located; and calculating the illumination coefficient according to the first coefficient, the second coefficient, the third coefficient, the fourth coefficient, the fifth coefficient, the sixth coefficient and the seventh coefficient. The illumination coefficient is calculated by comprehensively considering the season, the climate, the weather, the time, the indoor area of the room, the height position of the room and the lighting environment of the room, so that the illumination coefficient can more accurately reflect the influence of the external illumination condition on the indoor temperature, and the accuracy of the operation mode control method can be further improved.
In addition, the air conditioner further provided on the basis of the technical scheme of the invention has the technical effects of the operation mode control method due to the adoption of the operation mode control method, and compared with the air conditioner before improvement, the air conditioner can automatically adjust the operation mode according to the change of the illumination coefficient and the temperature difference value between the indoor temperature and the target temperature in the operation process so as to ensure the comfort level of a room.
Drawings
FIG. 1 is a flow chart of an operating mode control method of the present invention;
FIG. 2 is a first flowchart of a first embodiment of an operation mode control method of the present invention;
FIG. 3 is a second flowchart of a first embodiment of an operating mode control method of the present invention;
FIG. 4 is a flowchart III of a first embodiment of the operation mode control method of the present invention;
fig. 5 is a flowchart of a second embodiment of the operation mode control method of 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 the following embodiments are merely illustrative of the technical principles of the present invention, and are not intended to limit the scope of the present invention.
The prior air conditioner pointed out on the basis of the background art cannot automatically adjust according to the change of the environment, thereby influencing the comfort level of the room. The invention provides an operation mode control method for an air conditioner and the air conditioner, aiming at enabling the air conditioner to be automatically adjusted according to the illumination coefficient and the change of the temperature difference value between the indoor temperature and the target temperature so as to ensure the indoor comfort level.
Specifically, the air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit is installed indoors, the outdoor unit is installed outdoors, the indoor unit comprises a controller, the controller can control the operation of the air conditioner, the air conditioner operates in a cooling mode in summer, the indoor unit can blow cold air into a room to reduce the temperature in the room, and the air conditioner operates in a heating mode in winter, and the indoor unit can blow hot air into the room to improve the temperature in the room.
As shown in fig. 1, the operation mode control method of the present invention includes the steps of:
step S1: acquiring an illumination coefficient;
step S2: acquiring indoor temperature;
step S3: calculating the temperature difference between the indoor temperature and the target temperature;
step S4: and selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference.
Namely, when the air conditioner runs, the running mode can be automatically adjusted according to the illumination coefficient and the temperature difference value between the indoor temperature and the target temperature, so that the comfort degree of a room is ensured.
For example, when the air conditioner operates in the cooling mode, the indoor temperature gradually decreases along with the operation of the air conditioner, that is, the temperature in the room gradually approaches the target temperature, and when the illumination coefficient and the temperature difference both satisfy the set conditions, the air conditioner can be adjusted from the cooling mode to the air supply mode (the fan of the indoor unit keeps operating), so that the indoor unit does not blow cold air into the room any more, and the comfort level of the room can be prevented from being affected due to the excessively low temperature in the room.
It should be noted that, regarding the acquisition of the illumination coefficient, the illumination intensity may be detected by the illumination intensity sensor to determine the illumination coefficient, and the illumination coefficient may also be determined by some comprehensive parameters, for example, the comprehensive parameters may include climate, season, weather, time, indoor area of the room, height position of the room, lighting environment of the room (whether the room is located on a shade or a sun, whether there is a shelter), and so on.
In addition, it should be noted that the target temperature may be a temperature set by the user himself or a temperature automatically set by the air conditioner according to the long-term usage habit of the user; further, for convenience of comparison, the temperature difference of the indoor temperature and the target temperature refers to an absolute value of a difference of the indoor temperature and the target temperature, that is, the temperature difference is always a positive number.
In addition, it should be noted that the steps of "obtaining the illumination coefficient" and "obtaining the indoor temperature" may be executed at the same time, or the step of "obtaining the illumination coefficient" may be executed first, and then the step of "obtaining the indoor temperature" may be executed, or the step of "obtaining the indoor temperature" may be executed first, and then the step of "obtaining the illumination coefficient" may be executed.
Preferably, the step S1 (acquiring the illumination coefficient) specifically includes the following steps:
step S11: obtaining current season information, and determining a first coefficient k according to the current season information1；
Step S12: obtaining current weather information, and determining a second coefficient k according to the current weather information2；
Step S13: determining a third coefficient k according to the climate at the location of the air conditioner3；
Step S14: obtaining the current time, and determining a fourth coefficient k according to the current time4；
Step S15: determining a fifth coefficient k according to the indoor area of the room where the indoor unit is located5；
Step S16: determining a sixth coefficient k according to the height position of the room where the indoor unit is positioned6；
Step S17: determining a seventh coefficient k according to the lighting environment of the room in which the indoor unit is located7；
Step S18: according to a first coefficient k1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6And a seventh coefficient k7。
It should be noted that steps S11 to S17 may be executed simultaneously or sequentially in any order, and such flexible adjustment and change do not depart from the spirit and scope of the present invention, and should be limited within the scope of the present invention.
Further preferably, "according to the first coefficient k1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6And a seventh coefficient k7The step of calculating the illumination coefficient "specifically includes: calculating an illumination coefficient phi according to formula (1):
￠＝(k1×k2×k3+k4×k5×k6×k7)÷2 (1)
it should be noted that the formula (1) for calculating the light irradiation coefficient is a formula obtained by analyzing and summarizing a large amount of test data by the inventors.
The following describes in detail how the operation mode of the air conditioner can be selectively adjusted according to the illumination coefficient and the temperature difference, in conjunction with two embodiments.
Example one
The technical solution of the present embodiment is described in detail below with reference to fig. 2 to 4.
As shown in fig. 2, the operation mode control method of the present embodiment includes the steps of:
step S1: acquiring an illumination coefficient;
step S2: acquiring indoor temperature;
step S3: calculating the temperature difference between the indoor temperature and the target temperature;
step S4: and selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference. Wherein, step S4 specifically includes the following steps:
step S41: comparing the illumination coefficient with a first set coefficient;
step S42: comparing the temperature difference value with a first preset value;
step S43: if the illumination coefficient is smaller than a first set coefficient and the temperature difference value is smaller than a first preset value, enabling the air conditioner to operate in an air supply mode;
step S44: if the illumination coefficient is not less than the first set coefficient or the temperature difference is not less than the first preset value, the mode adjustment coefficient deltam is calculated according to the formula (2),
ΔM＝￠{(ΔT－ΔT1)+M/(ΔT－ΔT1)} (2)
wherein phi is the illumination coefficient, Delta T is the temperature difference, Delta T1When the current operation mode of the air conditioner is the air supply mode, M is a first preset value1When the current operation mode of the air conditioner is a cooling mode or a heating mode, M is equal to M2Wherein M is1Is a first set value, M2Is a second set value, and M1＜M2；
Step S45: the operation mode of the air conditioner is selectively adjusted according to the mode adjustment coefficient. Wherein, step S45 specifically includes the following steps:
step S451: comparing the mode adjustment coefficient with a second preset value;
step S452: if the mode adjusting coefficient is smaller than the second preset value, the air conditioner is operated in an air supply mode; and if the mode adjustment coefficient is not less than the second preset value, operating the air conditioner in a cooling mode or a heating mode.
After the illumination coefficient and the temperature difference are calculated, the illumination coefficient is compared with a first set coefficient, the temperature difference is compared with a first preset value, and then the operation mode of the air conditioner is selectively adjusted according to the two comparison results.
When the illumination coefficient is smaller than a first set coefficient, the influence of the outside illumination condition on the indoor temperature is small, when the temperature difference value is smaller than a first preset value, the indoor temperature is closer to the target temperature, when the two conditions are met, the mode adjusting coefficient does not need to be calculated, the air conditioner is directly operated in an air supply mode, namely, the operation mode of the air conditioner can be adjusted from a cooling mode or a heating mode to an air supply mode, when the air conditioner is operated in the air supply mode, the indoor unit only supplies air to a room, neither cooling nor heating is performed, and the influence on the comfort level of the room due to the fact that.
When the illumination coefficient is not less than the first set coefficient, it indicates that the influence of the illumination condition on the indoor temperature is large, and when the temperature difference is not less than the first preset value, it indicates that the difference between the indoor temperature and the target temperature is large, in any of the two cases, it is necessary to calculate the mode adjustment coefficient according to the formula (2), and then selectively adjust the operation mode of the air conditioner according to the mode adjustment coefficient.
Specifically, the mode adjustment coefficient is compared with a second preset value, and when the mode adjustment coefficient is smaller than the second preset value, the effect of the outside light condition on the indoor temperature is not particularly large, and the difference value between the indoor temperature and the target temperature is not large, in this case, the air conditioner can also be operated in the air supply mode; when the mode adjustment coefficient is not less than the second preset value, it indicates that the influence of the outside light condition on the indoor temperature is particularly large, and/or the difference between the indoor temperature and the target temperature is also large, and in these situations, the air conditioner can only be operated in the cooling mode or the heating mode continuously.
It should be noted that "operating the air conditioner in the cooling mode or the heating mode" may be understood that, in summer, the air conditioner operates in the cooling mode, and when the mode adjustment coefficient is greater than or equal to the second preset value, the air conditioner continues to operate in the cooling mode without switching to the air supply mode; and in winter, the air conditioner operates in a heating mode, and when the mode adjusting coefficient is greater than or equal to a second preset value, the air conditioner continues to operate in the heating mode without being switched into an air supply mode. That is, the operation mode of the air conditioner is switched between the cooling mode and the air blowing mode in summer, and the operation mode of the air conditioner is switched between the heating mode and the air blowing mode in winter.
In addition, it should be noted that the formula (2) for calculating the mode adjustment coefficient is also a formula obtained by analyzing and summarizing a large amount of test data by the inventors.
Further, it should be noted that, as shown in fig. 2, step S41 (comparing the illumination coefficient with the first setting coefficient) and step S42 (comparing the temperature difference with the first preset value) may be performed simultaneously; alternatively, as shown in fig. 3, step S41 (comparing the illumination coefficient with the first setting coefficient) may be performed first, and if the illumination coefficient is smaller than the first setting coefficient, step S42 (comparing the temperature difference with the first preset value) may be performed, and if the illumination coefficient is not smaller than the first setting coefficient, step S44 (calculating the mode adjustment coefficient) may be performed directly; still alternatively, as shown in fig. 4, step S42 (comparing the temperature difference with the first preset value) may be performed first, and if the temperature difference is smaller than the first preset value, step S41 (comparing the illumination coefficient with the first set coefficient) may be performed, and if the temperature difference is not smaller than the first preset value, step S44 (calculating the mode adjustment coefficient) may be performed directly.
The operation mode control method of the present embodiment will be described in detail below with reference to an example of the operation of the air conditioner in the cooling mode.
First, describing the calculation method of the illumination coefficient, the illumination coefficient can be calculated according to the following steps:
the method comprises the steps of firstly, obtaining current season information, current weather information and current time. The controller of the air conditioner can communicate with the cloud server to acquire the information. In addition, when the air conditioner is installed, the information of the climate where the air conditioner is located, the indoor area of the room, the height position of the room and the lighting environment of the room can be directly input into the controller, and the air conditioner does not need to be automatically acquired.
Second, the first coefficient k is determined according to the following table one1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6A seventh coefficient k7。
Figure BDA0002449064900000091
Figure BDA0002449064900000101
It should be noted that the determination of each coefficient in table one is determined by the inventor after studying and summarizing a large amount of experimental data, mainly considering the magnitude of the influence of the indoor temperature in each different case by the illumination condition. For example, according to the research of the inventor, it is found that the indoor temperature is greatly influenced by the illumination condition in summer, and the indoor temperature is less influenced by the illumination condition in spring and autumn, so that the value of the first coefficient is large in summer, and the value of the first coefficient is small in spring and autumn.
Thirdly, according to the first coefficient k1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6A seventh coefficient k7Phi ═ k according to the formula1×k2×k3+k4×k5×k6×k7) And 2, calculating the illumination coefficient phi.
In order to acquire the indoor temperature, a temperature sensor may be installed on the indoor unit and communicate with the controller, so that the temperature sensor can transmit the acquired data to the controller in time. And after the indoor temperature is obtained, calculating the temperature difference between the indoor temperature and the target temperature.
And comparing the calculated illumination coefficient and the temperature difference value with a first set coefficient and a first preset value respectively. Wherein the first setting coefficient is 1, and the first preset value is Δ T1＝0.5。
And when the phi value is less than 1 and the delta T is less than 0.5, the air conditioner is adjusted from the cooling mode to the air supply mode.
When phi is more than or equal to 1 or delta T is more than or equal to 0.5, phi is determined according to the formula delta M ═ delta T { (delta T-delta T)1)+M/(ΔT－ΔT1) Calculating a mode adjustment coefficient delta M; wherein, when the current mode of the air conditioner is the air supply mode, M is M1When the current mode of the air conditioner is the cooling mode, M is equal to M2A first set value M11, the second setting value M22, first preset value Δ T1＝0.5。
The mode adjustment coefficient Δ M is compared with a second preset value. Wherein the second preset value is 3.
And when the delta M is less than 3, the air conditioner is adjusted from the cooling mode to the air supply mode.
When the delta M is larger than or equal to 3, if the air conditioner runs in the air supply mode at the moment, the air conditioner is adjusted from the air supply mode to the refrigeration mode, and if the air conditioner runs in the refrigeration mode at the moment, the air conditioner continues to run in the refrigeration mode.
The operation mode control method of the present embodiment will be described in detail below with reference to an example of the air conditioner operating in the heating mode.
First, describing the calculation method of the illumination coefficient, the illumination coefficient can be calculated according to the following steps:
the method comprises the steps of firstly, obtaining current season information, current weather information and current time. The controller of the air conditioner can communicate with the cloud server to acquire the information. In addition, when the air conditioner is installed, the information of the climate where the air conditioner is located, the indoor area of the room, the height position of the room and the lighting environment of the room can be directly input into the controller, and the air conditioner does not need to be automatically acquired.
Second, the first coefficient k is determined according to the following table two1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6A seventh coefficient k7。
Figure BDA0002449064900000111
The determination of each coefficient in table two is also determined by the inventors after studying and summarizing a large amount of test data, mainly considering the magnitude of the influence of the indoor temperature in each case on the illumination condition.
Thirdly, according to the first coefficient k1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6A seventh coefficient k7Phi ═ k according to the formula1×k2×k3+k4×k5×k6×k7) Calculation of illumination by division 2And the coefficient phi.
In order to acquire the indoor temperature, a temperature sensor can be installed on the indoor unit and is communicated with the controller, so that the temperature sensor can transmit the acquired data to the controller in time. And after the indoor temperature is obtained, calculating the temperature difference between the indoor temperature and the target temperature.
And comparing the calculated illumination coefficient and the temperature difference value with a first set coefficient and a first preset value respectively. Wherein the first setting coefficient is 1, and the first preset value is Δ T1＝0.5。
And when the phi value is less than 1 and the delta T is less than 0.5, the air conditioner is adjusted from the cooling mode to the air supply mode.
When phi is more than or equal to 1 or delta T is more than or equal to 0.5, phi is determined according to the formula delta M ═ delta T { (delta T-delta T)1)+M/(ΔT－ΔT1) Calculating a mode adjustment coefficient delta M; wherein, when the current mode of the air conditioner is the air supply mode, M is M1When the current mode of the air conditioner is the cooling mode, M is equal to M2A first set value M11, the second setting value M22, first preset value Δ T1＝0.5。
Comparing the mode adjustment coefficient delta M with a second preset value; wherein the second preset value is 3.
And when the delta M is less than 3, the air conditioner is adjusted from the cooling mode to the air supply mode.
When the delta M is larger than or equal to 3, if the air conditioner runs in the air supply mode at the moment, the air conditioner is adjusted from the air supply mode to the refrigeration mode, and if the air conditioner runs in the refrigeration mode at the moment, the air conditioner continues to run in the refrigeration mode.
It should be noted that, because the operation mode is different, the influence of the illumination is also different, so the inventor has formulated a table one and a table two for the cooling mode and the heating mode, respectively. In practical application, if the air conditioner is a single-cooling air conditioner, the first table can be prestored in the controller of the air conditioner, if the air conditioner is a cooling-heating air conditioner, the first table and the second table can be stored in the controller of the air conditioner, and when the air conditioner operates in a cooling mode, the first coefficient k is determined according to the first table1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6And a seventh coefficient k7When the air conditioner operates in the heating mode, the first coefficient k is determined according to the second table1A second coefficient k2A third coefficient k3The fourth coefficient k4A fifth coefficient k5A sixth coefficient k6And a seventh coefficient k7。
In addition, it should be noted that specific values of the above parameters are set according to test data, and those skilled in the art can set the parameters related to the present invention through tests for different models or types of air conditioners in practical applications.
Preferably, the operation mode control method of the present embodiment further includes: and if the illumination coefficient is smaller than the first set coefficient, the temperature difference value is smaller than the first preset value and the indoor humidity is larger than the third preset value, adjusting the operation mode of the air conditioner to be the dehumidification mode.
When the illumination coefficient is smaller than a first set coefficient, the influence of the illumination condition on the indoor temperature is small, when the temperature difference value is smaller than a first preset value, the indoor temperature is closer to the target temperature, when the indoor humidity is larger than a third preset value, the humidity in the room is larger, and when the three conditions are met, the air conditioner can be operated in a dehumidification mode to reduce the humidity of the room.
It should be noted that, when the illumination coefficient is smaller than the first setting coefficient and the temperature difference is smaller than the first preset value, but the indoor humidity is smaller than or equal to the third preset value, the air conditioner is operated in the air supply mode.
In addition, it should be noted that, in practical applications, a person skilled in the art may set a specific value of the third preset value according to experiments or experience.
Example two
The technical solution of the present embodiment is described in detail below with reference to fig. 5.
As shown in fig. 5, the operation mode control method of the present embodiment includes the steps of:
step S1: acquiring an illumination coefficient;
step S2: acquiring indoor temperature;
step S3: calculating the temperature difference between the indoor temperature and the target temperature;
step S4: and selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference. Wherein, step S4 specifically includes the following steps:
step S41: the mode adjustment coefficient deltam is calculated according to equation (2),
ΔM＝￠{(ΔT－ΔT1)+M/(ΔT－ΔT1)} (2)
wherein phi is the illumination coefficient, Delta T is the temperature difference, Delta T1When the current operation mode of the air conditioner is the air supply mode, M is a first preset value1When the current operation mode of the air conditioner is a cooling mode or a heating mode, M is equal to M2Wherein M is1Is a first set value, M2Is a second set value, and M1＜M2；
Step S42: the operation mode of the air conditioner is selectively adjusted according to the mode adjustment coefficient. Wherein, step S42 specifically includes the following steps:
step S421: comparing the mode adjustment coefficient with a second preset value;
step S422: when the mode adjusting coefficient is smaller than a second preset value, the air conditioner is enabled to operate in an air supply mode; and when the mode adjusting coefficient is not less than the second preset value, the air conditioner is operated in a cooling mode or a heating mode.
The present embodiment is different from the first embodiment in that after the illumination coefficient and the temperature difference value are calculated, the mode adjustment coefficient is directly calculated according to formula (2), and then the operation mode of the air conditioner is selectively adjusted according to the mode adjustment coefficient.
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 (10)

1. An operation mode control method for an air conditioner, characterized by comprising:
acquiring an illumination coefficient;
acquiring indoor temperature;
calculating a temperature difference value between the indoor temperature and a target temperature;
and selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference.
2. The operation mode control method according to claim 1, wherein the step of selectively adjusting the operation mode of the air conditioner according to the illumination coefficient and the temperature difference specifically comprises:
calculating a mode adjustment coefficient according to the formula, wherein delta M { (delta T-delta T) { (1)+M/(ΔT－ΔT1)}，
Wherein Δ M is the mode adjustment coefficient, phi is the illumination coefficient, Δ T is the temperature difference, Δ T1When the current operation mode of the air conditioner is an air supply mode, M is a first preset value1When the current operation mode of the air conditioner is a cooling mode or a heating mode, M is equal to M2Wherein M is1Is a first set value, M2Is a second set value, and M1＜M2；
And selectively adjusting the operation mode of the air conditioner according to the mode adjusting coefficient.
3. The operation mode control method according to claim 2, characterized by further comprising:
comparing the illumination coefficient and the temperature difference value with a first set coefficient and the first preset value, respectively, before performing the step of calculating the mode adjustment coefficient according to the formula;
and if the illumination coefficient is smaller than the first set coefficient and the temperature difference value is smaller than the first preset value, the step of calculating a mode adjusting coefficient according to a formula is not executed, and the air conditioner is directly operated in an air supply mode.
4. The operation mode control method according to claim 3, characterized by further comprising:
and if the illumination coefficient is not smaller than the first set coefficient or the temperature difference value is not smaller than the first preset value, executing the step of calculating a mode adjusting coefficient according to a formula.
5. The operation mode control method according to claim 2, wherein the step of "selectively adjusting the operation mode of the air conditioner according to the mode adjustment coefficient" specifically includes:
comparing the mode adjustment coefficient with a second preset value;
and if the mode adjusting coefficient is smaller than the second preset value, enabling the air conditioner to operate in an air supply mode.
6. The operation mode control method of claim 5, wherein the step of selectively adjusting the operation mode of the air conditioner according to the mode adjustment coefficient further comprises:
and if the mode adjusting coefficient is not less than the second preset value, enabling the air conditioner to operate in a cooling mode or a heating mode.
7. The operation mode control method according to claim 3, characterized by further comprising:
and if the illumination coefficient is smaller than the first set coefficient, the temperature difference value is smaller than the first preset value and the indoor humidity is larger than a third preset value, the step of calculating the mode adjusting coefficient according to a formula is not executed, and the air conditioner is directly operated in a dehumidification mode.
8. The operation mode control method according to any one of claims 1 to 7, wherein the step of "obtaining the illumination coefficient" specifically includes:
acquiring current season information, and determining a first coefficient according to the current season information;
acquiring current weather information, and determining a second coefficient according to the current weather information;
determining a third coefficient according to the climate where the air conditioner is located;
acquiring current time, and determining a fourth coefficient according to the current time;
determining a fifth coefficient according to the indoor area of a room where the indoor unit of the air conditioner is located;
determining a sixth coefficient according to the height position of the room where the indoor unit of the air conditioner is located;
determining a seventh coefficient according to the lighting environment of the room where the indoor unit of the air conditioner is located;
calculating the illumination coefficient according to the first coefficient, the second coefficient, the third coefficient, the fourth coefficient, the fifth coefficient, the sixth coefficient, and the seventh coefficient.
9. The operation mode control method according to claim 8, wherein the step of calculating the illumination coefficient based on the first coefficient, the second coefficient, the third coefficient, the fourth coefficient, the fifth coefficient, the sixth coefficient, and the seventh coefficient specifically includes:
calculated according to the formula, (k)1×k2×k3+k4×k5×k6×k7)÷2，
Wherein phi is the illumination coefficient, k1Is said first coefficient, k2Is said second coefficient, k3Is said third coefficient, k4Is said fourth coefficient, k5Is the fifth coefficient, k6Is the sixth coefficient, k7Is the seventh coefficient.
10. An air conditioner comprising a controller, characterized in that the controller is configured to be able to perform the operation mode control method of any one of claims 1 to 9.
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