CN108731205B - Operation control method, operation control device, air conditioner and computer readable storage medium - Google Patents

Operation control method, operation control device, air conditioner and computer readable storage medium Download PDF

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Publication number
CN108731205B
CN108731205B CN201810608116.1A CN201810608116A CN108731205B CN 108731205 B CN108731205 B CN 108731205B CN 201810608116 A CN201810608116 A CN 201810608116A CN 108731205 B CN108731205 B CN 108731205B
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temperature
preset
indoor unit
air
working condition
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CN108731205A (en
Inventor
邱才光
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GD Midea Air Conditioning Equipment Co Ltd
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GD Midea Air Conditioning Equipment Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41Defrosting; Preventing freezing
    • F24F11/43Defrosting; Preventing freezing of indoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature

Abstract

The invention provides an operation control method, an operation control device, an air conditioner and a computer readable storage medium, wherein the operation control method comprises the following steps: after the heating mode enters the defrosting mode, detecting the working condition temperature of the indoor unit according to a preset time interval; in the defrosting mode, if the detected working condition temperature is greater than or equal to a first preset temperature, keeping the air supply parameter of the indoor unit unchanged; in the defrosting mode, if the detected working condition temperature is lower than a first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process. By the technical scheme, the influence of the defrosting mode on the fluctuation of the indoor environment temperature is reduced, and the use experience of a user is improved.

Description

Operation control method, operation control device, air conditioner and computer readable storage medium
Technical Field
The invention relates to the technical field of household appliances, in particular to an operation control method, an operation control device, an air conditioner and a computer readable storage medium.
Background
In the related art, the air conditioner generally operates in a heating mode in winter, that is, the outdoor heat exchanger is used as an evaporator to absorb heat, but when the temperature of the outdoor heat exchanger is too low or the heating operation time is too long, the temperature of a refrigerant pipe of the outdoor heat exchanger is lower than zero, and further, moisture in air forms a frost layer or an ice layer on the surface of the outdoor heat exchanger, which undoubtedly affects the heat exchange efficiency of the outdoor heat exchanger and requires defrosting.
In the related art, the air conditioner is usually switched to a cooling mode to defrost, that is, the outdoor heat exchanger is used as a condenser to release heat, and the indoor heat exchanger is used as an evaporator to absorb heat, and the existing defrosting method has at least the following technical problems:
(1) the indoor temperature is gradually reduced along with the progress of the defrosting process, and a user feels that the indoor temperature fluctuates repeatedly and the heat output is discontinuous.
(2) In order to reduce the fluctuation of the indoor temperature, the fan of the indoor unit is normally turned off in the defrosting mode, but the indoor unit has a high temperature and thus the heat absorption pressure is increased, which may cause problems such as low defrosting efficiency or failed start-up.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, it is an object of the present invention to provide an operation control method.
Another object of the present invention is to provide an operation control device.
Another object of the present invention is to provide an air conditioner.
It is another object of the present invention to provide a computer-readable storage medium.
In order to achieve the above object, according to an embodiment of a first aspect of the present invention, there is provided an operation control method including: after the heating mode enters the defrosting mode, detecting the working condition temperature of the indoor unit according to a preset time interval; in the defrosting mode, if the detected working condition temperature is greater than or equal to a first preset temperature, keeping the air supply parameter of the indoor unit unchanged; in the defrosting mode, if the detected working condition temperature is lower than a first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process.
In the technical scheme, in the defrosting mode, if the working condition temperature is detected to be greater than or equal to the first preset temperature, the air supply parameter of the indoor unit is kept unchanged, namely when the temperature of the indoor unit is higher, the air supply parameter is kept unchanged, so that the temperature of the indoor unit is reduced as soon as possible, the running pressure of the indoor unit is further reduced, the defrosting operation can be normally carried out, and meanwhile, the defrosting efficiency is favorably improved.
In addition, in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, namely when the temperature of the indoor unit is low, in order to reduce the refrigerating output of the indoor heat exchanger to the indoor environment, the air guide assembly is closed, so that the fluctuation of the indoor environment temperature is reduced.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, which specifically includes: in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature and is higher than or equal to the second preset temperature, the rotating speed of a fan of the indoor unit is reduced to zero according to the first preset process, and the angle of an air deflector of the indoor unit is kept unchanged.
In the technical scheme, the rotating speed of a fan of the indoor unit is reduced to be zero according to a first preset process by detecting that the working condition temperature is less than a first preset temperature and is more than or equal to a second preset temperature, and the angle of an air deflector of the indoor unit is kept unchanged, namely, the indoor heat exchanger dissipates heat through an air outlet, and the fan is stopped to rotate so as to reduce the flow rate of indoor hot air and reduce the fluctuation of the indoor environment temperature.
Wherein, the value range of the first preset temperature is 5-10 ℃, and the value range of the second preset temperature is 0-5 ℃.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is less than the second preset temperature and greater than or equal to the third preset temperature, controlling the air guide angle of the inner air swinging plate of the indoor unit to be reduced to zero according to a second preset process, and keeping the air guide angle of the outer air guiding plate of the indoor unit unchanged.
In the technical scheme, when the working condition temperature is lower than the second preset temperature and is higher than or equal to the third preset temperature, the air guide angle of the inner air swinging plate of the indoor unit is controlled to be reduced to zero according to the second preset process, namely, the inner air swinging plate of the indoor unit is controlled to swing leftwards or rightwards to close the air outlet, so that the cold output by the indoor heat exchanger is reduced to enter an indoor environment, the air guide angle of the outer air guiding plate of the indoor unit is kept unchanged, and the power consumption of the air guide assembly is reduced and adjusted.
Wherein the third preset temperature is in a value range of-10 ℃ to 0 ℃.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is lower than the third preset temperature, controlling the air guide angle of the external air guide plate to be reduced to zero according to a third preset process.
In the technical scheme, when the detected working condition temperature is lower than the third preset temperature, the air guide angle of the external air deflector is controlled to be reduced to zero according to the third preset process, namely when the working condition temperature of the indoor unit is extremely low, in order to avoid cold energy from entering an indoor environment as much as possible, the internal air swinging plate and the external air deflector of the indoor unit are completely closed, namely, the air outlet of the indoor unit is completely closed, so that the cold energy at the indoor heat exchanger is reduced to be diffused into the indoor environment to the maximum extent.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is lower than the fourth preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a fourth preset process, and/or controlling the air guide angle of an inner swinging air plate of the indoor unit to be zero, and/or controlling the air guide angle of an outer air guide plate of the indoor unit to be zero.
In the technical scheme, the rotation speed of a fan of the indoor unit is reduced to zero according to a fourth preset process by detecting that the working condition temperature is lower than a fourth preset temperature, and/or the air guide angle of an inner swinging air plate of the indoor unit is controlled to be reduced to zero, and/or the air guide angle of an outer air guide plate of the indoor unit is controlled to be reduced to zero, so that the speed of cold energy at the indoor heat exchanger in a defrosting mode diffusing to the indoor environment is reduced, the speed of sinking and diffusing cold air is reduced, the sudden drop of the indoor environment temperature in the defrosting model is relieved, and the use experience of a user is facilitated to be improved.
Wherein the fourth preset temperature is in a value range of-10 ℃ to 10 ℃.
In the above technical solution, preferably, the method further includes: and if the defrosting mode is switched to the heating mode or the working condition temperature is detected to be greater than or equal to a fifth preset temperature, adjusting the air supply parameters of the indoor unit and recovering the air supply parameters to the air supply parameters in the heating mode.
In the technical scheme, when the defrosting mode is switched back to the heating mode or the working condition temperature is detected to be greater than or equal to the fifth preset temperature, the air supply parameters of the indoor unit are adjusted to recover to the air supply parameters in the heating mode, namely, the heating process before the defrosting operation is automatically executed through the function of memorizing the air supply parameters, the operation parameters in the heating mode do not need to be reset by a user, the rate of re-entering the heating mode of the air conditioner is further improved, and the use experience of the user is improved.
Wherein the value range of the fifth preset temperature is 15-20 ℃.
According to an embodiment of the second aspect of the present invention, there is provided an operation control device including: the detection unit is used for detecting the working condition temperature of the indoor unit according to a preset time interval after the heating mode enters the defrosting mode; the control unit is used for keeping the air supply parameter of the indoor unit unchanged if the working condition temperature is detected to be greater than or equal to a first preset temperature in the defrosting mode; the control unit is further configured to: in the defrosting mode, if the detected working condition temperature is lower than a first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process.
In the technical scheme, in the defrosting mode, if the working condition temperature is detected to be greater than or equal to the first preset temperature, the air supply parameter of the indoor unit is kept unchanged, namely when the temperature of the indoor unit is higher, the air supply parameter is kept unchanged, so that the temperature of the indoor unit is reduced as soon as possible, the running pressure of the indoor unit is further reduced, the defrosting operation can be normally carried out, and meanwhile, the defrosting efficiency is favorably improved.
In addition, in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, namely when the temperature of the indoor unit is low, in order to reduce the refrigerating output of the indoor heat exchanger to the indoor environment, the air guide assembly is closed, so that the fluctuation of the indoor environment temperature is reduced.
In the above technical solution, preferably, the control unit is further configured to: in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature and is higher than or equal to the second preset temperature, the rotating speed of a fan of the indoor unit is reduced to zero according to the first preset process, and the angle of an air deflector of the indoor unit is kept unchanged.
In the technical scheme, the rotating speed of a fan of the indoor unit is reduced to be zero according to a first preset process by detecting that the working condition temperature is less than a first preset temperature and is more than or equal to a second preset temperature, and the angle of an air deflector of the indoor unit is kept unchanged, namely, the indoor heat exchanger dissipates heat through an air outlet, and the fan is stopped to rotate so as to reduce the flow rate of indoor hot air and reduce the fluctuation of the indoor environment temperature.
Wherein, the value range of the first preset temperature is 5-10 ℃, and the value range of the second preset temperature is 0-5 ℃.
In the above technical solution, preferably, the control unit is further configured to: and if the detected working condition temperature is less than the second preset temperature and greater than or equal to the third preset temperature, controlling the air guide angle of the inner air swinging plate of the indoor unit to be reduced to zero according to a second preset process, and keeping the air guide angle of the outer air guiding plate of the indoor unit unchanged.
In the technical scheme, when the working condition temperature is lower than the second preset temperature and is higher than or equal to the third preset temperature, the air guide angle of the inner air swinging plate of the indoor unit is controlled to be reduced to zero according to the second preset process, namely, the inner air swinging plate of the indoor unit is controlled to swing leftwards or rightwards to close the air outlet, so that the cold output by the indoor heat exchanger is reduced to enter an indoor environment, the air guide angle of the outer air guiding plate of the indoor unit is kept unchanged, and the power consumption of the air guide assembly is reduced and adjusted.
Wherein the third preset temperature is in a value range of-10 ℃ to 0 ℃.
In the above technical solution, preferably, the control unit is further configured to: and if the detected working condition temperature is lower than the third preset temperature, controlling the air guide angle of the external air guide plate to be reduced to zero according to a third preset process.
In the technical scheme, when the detected working condition temperature is lower than the third preset temperature, the air guide angle of the external air deflector is controlled to be reduced to zero according to the third preset process, namely when the working condition temperature of the indoor unit is extremely low, in order to avoid cold energy from entering an indoor environment as much as possible, the internal air swinging plate and the external air deflector of the indoor unit are completely closed, namely, the air outlet of the indoor unit is completely closed, so that the cold energy at the indoor heat exchanger is reduced to be diffused into the indoor environment to the maximum extent.
In the above technical solution, preferably, the control unit is further configured to: and if the detected working condition temperature is lower than the fourth preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a fourth preset process, and/or controlling the air guide angle of an inner swinging air plate of the indoor unit to be zero, and/or controlling the air guide angle of an outer air guide plate of the indoor unit to be zero.
In the technical scheme, the rotation speed of a fan of the indoor unit is reduced to zero according to a fourth preset process by detecting that the working condition temperature is lower than a fourth preset temperature, and/or the air guide angle of an inner swinging air plate of the indoor unit is controlled to be reduced to zero, and/or the air guide angle of an outer air guide plate of the indoor unit is controlled to be reduced to zero, so that the speed of cold energy at the indoor heat exchanger in a defrosting mode diffusing to the indoor environment is reduced, the speed of sinking and diffusing cold air is reduced, the sudden drop of the indoor environment temperature in the defrosting model is relieved, and the use experience of a user is facilitated to be improved.
Wherein the fourth preset temperature is in a value range of-10 ℃ to 10 ℃.
In the above technical solution, preferably, the control unit is further configured to: and if the defrosting mode is switched to the heating mode or the working condition temperature is detected to be greater than or equal to a fifth preset temperature, adjusting the air supply parameters of the indoor unit and recovering the air supply parameters to the air supply parameters in the heating mode.
In the technical scheme, when the defrosting mode is switched back to the heating mode or the working condition temperature is detected to be greater than or equal to the fifth preset temperature, the air supply parameters of the indoor unit are adjusted to recover to the air supply parameters in the heating mode, namely, the heating process before the defrosting operation is automatically executed through the function of memorizing the air supply parameters, the operation parameters in the heating mode do not need to be reset by a user, the rate of re-entering the heating mode of the air conditioner is further improved, and the use experience of the user is improved.
Wherein the value range of the fifth preset temperature is 15-20 ℃.
According to an embodiment of the third aspect of the present invention, there is provided an air conditioner including: an operation control device according to any one of the above aspects.
According to an embodiment of the fourth aspect of the present invention, a computer-readable storage medium is provided, on which a computer program is stored, and the computer program is executed to implement the operation control method according to any one of the above technical solutions.
In this regard, the advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic flow diagram of an operation control method according to an embodiment of the invention;
FIG. 2 shows a schematic block diagram of an operation control device according to an embodiment of the present invention;
fig. 3 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a schematic flow diagram of an operation control method according to an embodiment of the invention.
As shown in fig. 1, an operation control method according to an embodiment of the present invention includes: step S102, after the heating mode enters the defrosting mode, detecting the working condition temperature of the indoor unit according to a preset time interval; step S104, in the defrosting mode, if the working condition temperature is detected to be greater than or equal to a first preset temperature, keeping the air supply parameter of the indoor unit unchanged; and S106, in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature, closing the air guide assembly of the indoor unit according to a preset process.
In the technical scheme, in the defrosting mode, if the working condition temperature is detected to be greater than or equal to the first preset temperature, the air supply parameter of the indoor unit is kept unchanged, namely when the temperature of the indoor unit is higher, the air supply parameter is kept unchanged, so that the temperature of the indoor unit is reduced as soon as possible, the running pressure of the indoor unit is further reduced, the defrosting operation can be normally carried out, and meanwhile, the defrosting efficiency is favorably improved.
In addition, in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, namely when the temperature of the indoor unit is low, in order to reduce the refrigerating output of the indoor heat exchanger to the indoor environment, the air guide assembly is closed, so that the fluctuation of the indoor environment temperature is reduced.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, which specifically includes: in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature and is higher than or equal to the second preset temperature, the rotating speed of a fan of the indoor unit is reduced to zero according to the first preset process, and the angle of an air deflector of the indoor unit is kept unchanged.
In the technical scheme, the rotating speed of a fan of the indoor unit is reduced to be zero according to a first preset process by detecting that the working condition temperature is less than a first preset temperature and is more than or equal to a second preset temperature, and the angle of an air deflector of the indoor unit is kept unchanged, namely, the indoor heat exchanger dissipates heat through an air outlet, and the fan is stopped to rotate so as to reduce the flow rate of indoor hot air and reduce the fluctuation of the indoor environment temperature.
Wherein, the value range of the first preset temperature is 5-10 ℃, and the value range of the second preset temperature is 0-5 ℃.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is less than the second preset temperature and greater than or equal to the third preset temperature, controlling the air guide angle of the inner air swinging plate of the indoor unit to be reduced to zero according to a second preset process, and keeping the air guide angle of the outer air guiding plate of the indoor unit unchanged.
In the technical scheme, when the working condition temperature is lower than the second preset temperature and is higher than or equal to the third preset temperature, the air guide angle of the inner air swinging plate of the indoor unit is controlled to be reduced to zero according to the second preset process, namely, the inner air swinging plate of the indoor unit is controlled to swing leftwards or rightwards to close the air outlet, so that the cold output by the indoor heat exchanger is reduced to enter an indoor environment, the air guide angle of the outer air guiding plate of the indoor unit is kept unchanged, and the power consumption of the air guide assembly is reduced and adjusted.
Wherein the third preset temperature is in a value range of-10 ℃ to 0 ℃.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is lower than the third preset temperature, controlling the air guide angle of the external air guide plate to be reduced to zero according to a third preset process.
In the technical scheme, when the detected working condition temperature is lower than the third preset temperature, the air guide angle of the external air deflector is controlled to be reduced to zero according to the third preset process, namely when the working condition temperature of the indoor unit is extremely low, in order to avoid cold energy from entering an indoor environment as much as possible, the internal air swinging plate and the external air deflector of the indoor unit are completely closed, namely, the air outlet of the indoor unit is completely closed, so that the cold energy at the indoor heat exchanger is reduced to be diffused into the indoor environment to the maximum extent.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is lower than the fourth preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a fourth preset process, and/or controlling the air guide angle of an inner swinging air plate of the indoor unit to be zero, and/or controlling the air guide angle of an outer air guide plate of the indoor unit to be zero.
In the technical scheme, the rotation speed of a fan of the indoor unit is reduced to zero according to a fourth preset process by detecting that the working condition temperature is lower than a fourth preset temperature, and/or the air guide angle of an inner swinging air plate of the indoor unit is controlled to be reduced to zero, and/or the air guide angle of an outer air guide plate of the indoor unit is controlled to be reduced to zero, so that the speed of cold energy at the indoor heat exchanger in a defrosting mode diffusing to the indoor environment is reduced, the speed of sinking and diffusing cold air is reduced, the sudden drop of the indoor environment temperature in the defrosting model is relieved, and the use experience of a user is facilitated to be improved.
Wherein the fourth preset temperature is in a value range of-10 ℃ to 10 ℃.
In the above technical solution, preferably, the method further includes: and if the defrosting mode is switched to the heating mode or the working condition temperature is detected to be greater than or equal to a fifth preset temperature, adjusting the air supply parameters of the indoor unit and recovering the air supply parameters to the air supply parameters in the heating mode.
In the technical scheme, when the defrosting mode is switched back to the heating mode or the working condition temperature is detected to be greater than or equal to the fifth preset temperature, the air supply parameters of the indoor unit are adjusted to recover to the air supply parameters in the heating mode, namely, the heating process before the defrosting operation is automatically executed through the function of memorizing the air supply parameters, the operation parameters in the heating mode do not need to be reset by a user, the rate of re-entering the heating mode of the air conditioner is further improved, and the use experience of the user is improved.
Wherein the value range of the fifth preset temperature is 15-20 ℃.
Fig. 2 shows a schematic block diagram of an operation control device according to an embodiment of the present invention.
As shown in fig. 2, an operation control device 200 according to an embodiment of the present invention includes: the detection unit 202 is used for detecting the working condition temperature of the indoor unit according to a preset time interval after the heating mode enters the defrosting mode; the control unit 204 is configured to, in the defrosting mode, keep the air supply parameter of the indoor unit unchanged if the detected operating temperature is greater than or equal to a first preset temperature; the control unit 204 is further configured to: in the defrosting mode, if the detected working condition temperature is lower than a first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process.
In the technical scheme, in the defrosting mode, if the working condition temperature is detected to be greater than or equal to the first preset temperature, the air supply parameter of the indoor unit is kept unchanged, namely when the temperature of the indoor unit is higher, the air supply parameter is kept unchanged, so that the temperature of the indoor unit is reduced as soon as possible, the running pressure of the indoor unit is further reduced, the defrosting operation can be normally carried out, and meanwhile, the defrosting efficiency is favorably improved.
In addition, in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, namely when the temperature of the indoor unit is low, in order to reduce the refrigerating output of the indoor heat exchanger to the indoor environment, the air guide assembly is closed, so that the fluctuation of the indoor environment temperature is reduced.
In the above technical solution, preferably, the control unit 204 is further configured to: in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature and is higher than or equal to the second preset temperature, the rotating speed of a fan of the indoor unit is reduced to zero according to the first preset process, and the angle of an air deflector of the indoor unit is kept unchanged.
In the technical scheme, the rotating speed of a fan of the indoor unit is reduced to be zero according to a first preset process by detecting that the working condition temperature is less than a first preset temperature and is more than or equal to a second preset temperature, and the angle of an air deflector of the indoor unit is kept unchanged, namely, the indoor heat exchanger dissipates heat through an air outlet, and the fan is stopped to rotate so as to reduce the flow rate of indoor hot air and reduce the fluctuation of the indoor environment temperature.
Wherein, the value range of the first preset temperature is 5-10 ℃, and the value range of the second preset temperature is 0-5 ℃.
In the above technical solution, preferably, the control unit 204 is further configured to: and if the detected working condition temperature is less than the second preset temperature and greater than or equal to the third preset temperature, controlling the air guide angle of the inner air swinging plate of the indoor unit to be reduced to zero according to a second preset process, and keeping the air guide angle of the outer air guiding plate of the indoor unit unchanged.
In the technical scheme, when the working condition temperature is lower than the second preset temperature and is higher than or equal to the third preset temperature, the air guide angle of the inner air swinging plate of the indoor unit is controlled to be reduced to zero according to the second preset process, namely, the inner air swinging plate of the indoor unit is controlled to swing leftwards or rightwards to close the air outlet, so that the cold output by the indoor heat exchanger is reduced to enter an indoor environment, the air guide angle of the outer air guiding plate of the indoor unit is kept unchanged, and the power consumption of the air guide assembly is reduced and adjusted.
Wherein the third preset temperature is in a value range of-10 ℃ to 0 ℃.
In the above technical solution, preferably, the control unit 204 is further configured to: and if the detected working condition temperature is lower than the third preset temperature, controlling the air guide angle of the external air guide plate to be reduced to zero according to a third preset process.
In the technical scheme, when the detected working condition temperature is lower than the third preset temperature, the air guide angle of the external air deflector is controlled to be reduced to zero according to the third preset process, namely when the working condition temperature of the indoor unit is extremely low, in order to avoid cold energy from entering an indoor environment as much as possible, the internal air swinging plate and the external air deflector of the indoor unit are completely closed, namely, the air outlet of the indoor unit is completely closed, so that the cold energy at the indoor heat exchanger is reduced to be diffused into the indoor environment to the maximum extent.
In the above technical solution, preferably, the control unit 204 is further configured to: and if the detected working condition temperature is lower than the fourth preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a fourth preset process, and/or controlling the air guide angle of an inner swinging air plate of the indoor unit to be zero, and/or controlling the air guide angle of an outer air guide plate of the indoor unit to be zero.
In the technical scheme, the rotation speed of a fan of the indoor unit is reduced to zero according to a fourth preset process by detecting that the working condition temperature is lower than a fourth preset temperature, and/or the air guide angle of an inner swinging air plate of the indoor unit is controlled to be reduced to zero, and/or the air guide angle of an outer air guide plate of the indoor unit is controlled to be reduced to zero, so that the speed of cold energy at the indoor heat exchanger in a defrosting mode diffusing to the indoor environment is reduced, the speed of sinking and diffusing cold air is reduced, the sudden drop of the indoor environment temperature in the defrosting model is relieved, and the use experience of a user is facilitated to be improved.
Wherein the fourth preset temperature is in a value range of-10 ℃ to 10 ℃.
In the above technical solution, preferably, the control unit 204 is further configured to: and if the defrosting mode is switched to the heating mode or the working condition temperature is detected to be greater than or equal to a fifth preset temperature, adjusting the air supply parameters of the indoor unit and recovering the air supply parameters to the air supply parameters in the heating mode.
In the technical scheme, when the defrosting mode is switched back to the heating mode or the working condition temperature is detected to be greater than or equal to the fifth preset temperature, the air supply parameters of the indoor unit are adjusted to recover to the air supply parameters in the heating mode, namely, the heating process before the defrosting operation is automatically executed through the function of memorizing the air supply parameters, the operation parameters in the heating mode do not need to be reset by a user, the rate of re-entering the heating mode of the air conditioner is further improved, and the use experience of the user is improved.
Wherein the value range of the fifth preset temperature is 15-20 ℃.
Fig. 3 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
As shown in fig. 3, an air conditioner 300 according to an embodiment of the present invention includes: the operation control device 200 according to any one of the above embodiments.
The operation control device 200 may be a logic operation chip such as an MCU, a CPU, a DSP, a single chip, an embedded device, etc., the detection unit 202 may be a mercury thermometer or an infrared sensor, the control unit 204 may be a driving circuit in an air conditioner, the driving circuit receives a control signal of the operation control device 200, and an output signal of the driving circuit may be used to adjust an air guiding angle of an inner air flap, an air guiding angle of an outer air flap, and a fan rotation speed.
A computer-readable storage medium according to an embodiment of the invention, having stored thereon a computer program that, when executed, implements: after the heating mode enters the defrosting mode, detecting the working condition temperature of the indoor unit according to a preset time interval; in the defrosting mode, if the detected working condition temperature is greater than or equal to a first preset temperature, keeping the air supply parameter of the indoor unit unchanged; in the defrosting mode, if the detected working condition temperature is lower than a first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process.
In the technical scheme, in the defrosting mode, if the working condition temperature is detected to be greater than or equal to the first preset temperature, the air supply parameter of the indoor unit is kept unchanged, namely when the temperature of the indoor unit is higher, the air supply parameter is kept unchanged, so that the temperature of the indoor unit is reduced as soon as possible, the running pressure of the indoor unit is further reduced, the defrosting operation can be normally carried out, and meanwhile, the defrosting efficiency is favorably improved.
In addition, in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, namely when the temperature of the indoor unit is low, in order to reduce the refrigerating output of the indoor heat exchanger to the indoor environment, the air guide assembly is closed, so that the fluctuation of the indoor environment temperature is reduced.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, which specifically includes: in the defrosting mode, if the detected working condition temperature is lower than the first preset temperature and is higher than or equal to the second preset temperature, the rotating speed of a fan of the indoor unit is reduced to zero according to the first preset process, and the angle of an air deflector of the indoor unit is kept unchanged.
In the technical scheme, the rotating speed of a fan of the indoor unit is reduced to be zero according to a first preset process by detecting that the working condition temperature is less than a first preset temperature and is more than or equal to a second preset temperature, and the angle of an air deflector of the indoor unit is kept unchanged, namely, the indoor heat exchanger dissipates heat through an air outlet, and the fan is stopped to rotate so as to reduce the flow rate of indoor hot air and reduce the fluctuation of the indoor environment temperature.
Wherein, the value range of the first preset temperature is 5-10 ℃, and the value range of the second preset temperature is 0-5 ℃.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is less than the second preset temperature and greater than or equal to the third preset temperature, controlling the air guide angle of the inner air swinging plate of the indoor unit to be reduced to zero according to a second preset process, and keeping the air guide angle of the outer air guiding plate of the indoor unit unchanged.
In the technical scheme, when the working condition temperature is lower than the second preset temperature and is higher than or equal to the third preset temperature, the air guide angle of the inner air swinging plate of the indoor unit is controlled to be reduced to zero according to the second preset process, namely, the inner air swinging plate of the indoor unit is controlled to swing leftwards or rightwards to close the air outlet, so that the cold output by the indoor heat exchanger is reduced to enter an indoor environment, the air guide angle of the outer air guiding plate of the indoor unit is kept unchanged, and the power consumption of the air guide assembly is reduced and adjusted.
Wherein the third preset temperature is in a value range of-10 ℃ to 0 ℃.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is lower than the third preset temperature, controlling the air guide angle of the external air guide plate to be reduced to zero according to a third preset process.
In the technical scheme, when the detected working condition temperature is lower than the third preset temperature, the air guide angle of the external air deflector is controlled to be reduced to zero according to the third preset process, namely when the working condition temperature of the indoor unit is extremely low, in order to avoid cold energy from entering an indoor environment as much as possible, the internal air swinging plate and the external air deflector of the indoor unit are completely closed, namely, the air outlet of the indoor unit is completely closed, so that the cold energy at the indoor heat exchanger is reduced to be diffused into the indoor environment to the maximum extent.
In the foregoing technical solution, preferably, in the defrosting mode, if it is detected that the operating temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically further includes: and if the detected working condition temperature is lower than the fourth preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a fourth preset process, and/or controlling the air guide angle of an inner swinging air plate of the indoor unit to be zero, and/or controlling the air guide angle of an outer air guide plate of the indoor unit to be zero.
In the technical scheme, the rotation speed of a fan of the indoor unit is reduced to zero according to a fourth preset process by detecting that the working condition temperature is lower than a fourth preset temperature, and/or the air guide angle of an inner swinging air plate of the indoor unit is controlled to be reduced to zero, and/or the air guide angle of an outer air guide plate of the indoor unit is controlled to be reduced to zero, so that the speed of cold energy at the indoor heat exchanger in a defrosting mode diffusing to the indoor environment is reduced, the speed of sinking and diffusing cold air is reduced, the sudden drop of the indoor environment temperature in the defrosting model is relieved, and the use experience of a user is facilitated to be improved.
Wherein the fourth preset temperature is in a value range of-10 ℃ to 10 ℃.
In the above technical solution, preferably, the method further includes: and if the defrosting mode is switched to the heating mode or the working condition temperature is detected to be greater than or equal to a fifth preset temperature, adjusting the air supply parameters of the indoor unit and recovering the air supply parameters to the air supply parameters in the heating mode.
In the technical scheme, when the defrosting mode is switched back to the heating mode or the working condition temperature is detected to be greater than or equal to the fifth preset temperature, the air supply parameters of the indoor unit are adjusted to recover to the air supply parameters in the heating mode, namely, the heating process before the defrosting operation is automatically executed through the function of memorizing the air supply parameters, the operation parameters in the heating mode do not need to be reset by a user, the rate of re-entering the heating mode of the air conditioner is further improved, and the use experience of the user is improved.
Wherein the value range of the fifth preset temperature is 15-20 ℃.
The technical scheme of the invention is described in detail above with reference to the accompanying drawings, and in consideration of how to further optimize the defrosting mode provided by the related art, the invention provides an operation control method, an operation control device, an air conditioner and a computer-readable storage medium, wherein in the defrosting mode, if the detected working condition temperature is greater than or equal to a first preset temperature, the air supply parameter of the indoor unit is kept unchanged, that is, when the temperature of the indoor unit is higher, the air supply parameter is kept unchanged, so as to reduce the temperature of the indoor unit as soon as possible, further reduce the operating pressure of the indoor unit, enable the indoor unit to perform defrosting operation normally, and simultaneously facilitate improvement of defrosting efficiency, in addition, in the defrosting mode, if the detected working condition temperature is less than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, that when the temperature of the indoor unit is lower, in order to reduce the refrigerating output amount of the indoor heat exchanger to, therefore, the air guide assembly is closed to reduce the fluctuation of the indoor environment temperature.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. An operation control method characterized by comprising:
after the heating mode enters the defrosting mode, detecting the working condition temperature of the indoor unit according to a preset time interval;
in the defrosting mode, if the working condition temperature is detected to be greater than or equal to a first preset temperature, keeping the air supply parameter of the indoor unit unchanged;
in the defrosting mode, if the working condition temperature is detected to be lower than the first preset temperature, closing an air guide assembly of the indoor unit according to a preset process;
in the defrosting mode, if it is detected that the working condition temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset process, and the method specifically includes:
and in the defrosting mode, if the working condition temperature is detected to be lower than the first preset temperature and higher than or equal to the second preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a first preset process, and keeping the angle of an air deflector of the indoor unit unchanged.
2. The operation control method according to claim 1, wherein in the defrosting mode, if it is detected that the operating temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset schedule, and specifically, the method further includes:
and if the working condition temperature is detected to be less than the second preset temperature and greater than or equal to a third preset temperature, controlling the air guide angle of the inner air swing plate of the indoor unit to be reduced to zero according to a second preset process, and keeping the air guide angle of the outer air guide plate of the indoor unit unchanged.
3. The operation control method according to claim 2, wherein in the defrosting mode, if it is detected that the operating temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset schedule, and specifically, the method further includes:
and if the working condition temperature is detected to be lower than the third preset temperature, controlling the air guide angle of the external air deflector to be reduced to zero according to a third preset process.
4. The operation control method according to claim 1 or 2, wherein in the defrosting mode, if it is detected that the operating temperature is lower than the first preset temperature, the air guide assembly of the indoor unit is closed according to a preset schedule, and specifically, the method further includes:
and if the working condition temperature is detected to be lower than a fourth preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a fourth preset process, and/or controlling the air guide angle of an inner swinging air plate of the indoor unit to be reduced to be zero, and/or controlling the air guide angle of an outer air guide plate of the indoor unit to be reduced to be zero.
5. The operation control method according to claim 1 or 2, characterized by further comprising:
and if the defrosting mode is switched back to the heating mode or the working condition temperature is detected to be greater than or equal to a fifth preset temperature, adjusting the air supply parameters of the indoor unit to recover to the air supply parameters in the heating mode.
6. An operation control device characterized by comprising:
the detection unit is used for detecting the working condition temperature of the indoor unit according to a preset time interval after the heating mode enters the defrosting mode;
the control unit is used for keeping the air supply parameters of the indoor unit unchanged if the working condition temperature is detected to be greater than or equal to a first preset temperature in the defrosting mode;
the control unit is further configured to: in the defrosting mode, if the working condition temperature is detected to be lower than the first preset temperature, closing an air guide assembly of the indoor unit according to a preset process;
the control unit is further configured to: and in the defrosting mode, if the working condition temperature is detected to be lower than the first preset temperature and higher than or equal to the second preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a first preset process, and keeping the angle of an air deflector of the indoor unit unchanged.
7. The operation control device according to claim 6,
the control unit is further configured to: and if the working condition temperature is detected to be less than the second preset temperature and greater than or equal to a third preset temperature, controlling the air guide angle of the inner air swing plate of the indoor unit to be reduced to zero according to a second preset process, and keeping the air guide angle of the outer air guide plate of the indoor unit unchanged.
8. The operation control device according to claim 7,
the control unit is further configured to: and if the working condition temperature is detected to be lower than the third preset temperature, controlling the air guide angle of the external air deflector to be reduced to zero according to a third preset process.
9. The operation control device according to claim 6 or 7,
the control unit is further configured to: and if the working condition temperature is detected to be lower than a fourth preset temperature, reducing the rotating speed of a fan of the indoor unit to be zero according to a fourth preset process, and/or controlling the air guide angle of an inner swinging air plate of the indoor unit to be reduced to be zero, and/or controlling the air guide angle of an outer air guide plate of the indoor unit to be reduced to be zero.
10. The operation control device according to claim 6 or 7,
the control unit is further configured to: and if the defrosting mode is switched back to the heating mode or the working condition temperature is detected to be greater than or equal to a fifth preset temperature, adjusting the air supply parameters of the indoor unit to recover to the air supply parameters in the heating mode.
11. An air conditioner, comprising:
the operation control device according to any one of claims 6 to 10.
12. A computer-readable storage medium on which a computer program is stored, characterized in that the computer program, when executed, implements the operation control method according to any one of the preceding claims 1 to 5.
CN201810608116.1A 2018-06-13 2018-06-13 Operation control method, operation control device, air conditioner and computer readable storage medium Active CN108731205B (en)

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