CN108151232B - 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 PDFInfo
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- CN108151232B CN108151232B CN201711425331.XA CN201711425331A CN108151232B CN 108151232 B CN108151232 B CN 108151232B CN 201711425331 A CN201711425331 A CN 201711425331A CN 108151232 B CN108151232 B CN 108151232B
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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: determining the minimum temperature value of the outdoor heat exchanger in a first designated time period after the heating mode is entered; collecting the real-time operation temperature value of the outdoor heat exchanger in a second designated period after the minimum temperature value is determined; and according to the magnitude relation between the real-time operation temperature value and the minimum temperature value, increasing the operation frequency of the compressor to a preset frequency in a third appointed time period before entering the circulating defrosting mode. According to the technical scheme, the indoor environment temperature can be increased on the premise of operation in the defrosting mode, the influence of the operation in the defrosting mode on the indoor environment temperature is reduced, the heating effect of the air conditioner is improved, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to an operation control method, an operation control device, an air conditioner and a computer readable storage medium.
Background
In the heating process of the air conditioner, the refrigerant in the outdoor condenser evaporates to absorb heat, so that the outdoor condenser frosts, and user experience is influenced. In order to reduce the influence of the frosting of the outdoor condenser on the outdoor fan, the air conditioner is generally provided with an air conditioner defrosting system.
In the related art, in order to reduce the influence of frosting of an outdoor condenser on an outdoor fan, an air conditioner is generally provided with an air conditioner defrosting system, the air conditioner is converted into a refrigerating mode, and an indoor evaporator is stopped until an outdoor unit is completely frosted and then is started again.
However, in the multi-split air conditioner, when the defrosting mode is operated, the fluctuation of the indoor environment temperature is large, and the user experience is seriously influenced.
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: determining the minimum temperature value of the outdoor heat exchanger in a first designated time period after the heating mode is entered; collecting the real-time operation temperature value of the outdoor heat exchanger in a second designated period after the minimum temperature value is determined; and according to the magnitude relation between the real-time operation temperature value and the minimum temperature value, increasing the operation frequency of the compressor to a preset frequency in a third appointed time period before entering the circulating defrosting mode.
In the technical scheme, the minimum temperature value of the outdoor heat exchanger is determined and the real-time operation temperature value of the outdoor heat exchanger is collected in the first designated time period after the outdoor heat exchanger enters the heating mode, the operation frequency of the compressor is increased to the preset frequency according to the relation between the real-time operation temperature value and the minimum temperature value, the heating quantity of the indoor heat exchanger is further improved, the indoor environment temperature can be increased on the premise of operation of the defrosting mode, the influence of operation of the defrosting mode on the indoor environment temperature is reduced, the heating effect of the air conditioner is improved, and the user experience is improved.
Specifically, when the air conditioner operates in a heating mode, during heating in a first designated time period, the inlet temperature of the outdoor heat exchanger is collected, a minimum temperature value is recorded, in a second designated time period of operation, the operating temperature of the outdoor heat exchanger is detected in real time, and the relationship between the real-time operating temperature value and the minimum temperature value is detected.
In any of the above technical solutions, preferably, according to a magnitude relationship between the real-time operation temperature value and the minimum temperature value, in a third designated time period before entering the cyclic defrosting mode, the method of increasing the operation frequency of the compressor to a preset frequency specifically includes: calculating a temperature difference between the minimum temperature value and the real-time operation temperature value; judging whether the temperature difference is greater than or equal to a preset temperature difference or not; when the temperature difference is judged to be greater than or equal to the preset temperature difference, calculating a frequency sum value between the real-time running frequency and a preset frequency increment, and determining the frequency sum value as a preset frequency; and controlling the compressor to operate at the preset frequency in a third designated time period.
According to the technical scheme, whether the temperature difference value is larger than or equal to the preset temperature difference value or not is judged, the preset frequency is calculated according to the real-time running frequency and the preset frequency increment, the compressor is controlled to run at the preset frequency in a third appointed time period before the defrosting mode is run, and the reasonability and the accuracy of the control of the running frequency of the compressor are effectively improved.
In any of the above technical solutions, preferably, the preset frequency increment is 10 Hz.
In the technical scheme, the preset frequency increment is set to be 10Hz, so that the accuracy of regulating and controlling the running frequency of the compressor is improved, the problem of frequent regulation of the frequency of the compressor is reduced, the service life of the compressor is prolonged, and the experience is improved.
In any of the above technical solutions, preferably, the method further includes: detecting an operating pressure and/or a discharge temperature of the compressor during a third designated time period; and if the detected operating pressure is greater than or equal to the preset operating pressure and/or the detected exhaust temperature is greater than or equal to the preset exhaust temperature, adjusting the operating frequency of the compressor to be reduced from the preset frequency to the real-time operating frequency.
In the technical scheme, when the operation pressure of the compressor is detected to be greater than or equal to the preset operation pressure and/or the exhaust temperature is detected to be greater than or equal to the preset exhaust temperature, the load of the compressor is determined to be too high, the operation frequency of the compressor is adjusted to be reduced from the preset frequency to the real-time operation frequency, the normal operation of the air conditioner is facilitated, the problem of damage caused by the too high load of the compressor is reduced, the operation safety and stability of the air conditioner are improved, and the user experience is improved.
In any of the above technical solutions, preferably, the method further includes: and in a third designated time period, increasing the rotating speed of the indoor fan to a preset rotating speed.
In the technical scheme, the rotating speed of the indoor fan is increased in a third designated time period before the defrosting mode is operated, so that the heating capacity of the indoor heat exchanger is further increased, the influence of the defrosting mode on the indoor environment temperature is reduced, and the heating effect of the air conditioner is improved.
In any of the above embodiments, preferably, the third specified period of time is 3 minutes.
In the technical scheme, the third designated time period is set to be 3 minutes, so that the problem of overhigh indoor environment temperature caused by rapid heating of the indoor heat exchanger is reduced, and the rationality of controlling the running frequency of the compressor is improved.
According to an aspect of the second aspect of the present invention, there is provided an operation control device including: the determining unit is used for determining the minimum temperature value of the outdoor heat exchanger in a first designated time interval after the outdoor heat exchanger enters the heating mode; the acquisition unit is used for acquiring the real-time operation temperature value of the outdoor heat exchanger in a second designated period after the minimum temperature value is determined; and the regulating and controlling unit is used for increasing the operating frequency of the compressor to a preset frequency in a third specified time period before entering the circulating defrosting mode according to the magnitude relation between the real-time operating temperature value and the minimum temperature value.
In the technical scheme, the minimum temperature value of the outdoor heat exchanger is determined and the real-time operation temperature value of the outdoor heat exchanger is collected in the first designated time period after the outdoor heat exchanger enters the heating mode, the operation frequency of the compressor is increased to the preset frequency according to the relation between the real-time operation temperature value and the minimum temperature value, the heating quantity of the indoor heat exchanger is further improved, the indoor environment temperature can be increased on the premise of operation of the defrosting mode, the influence of operation of the defrosting mode on the indoor environment temperature is reduced, the heating effect of the air conditioner is improved, and the user experience is improved.
Specifically, when the air conditioner operates in a heating mode, during heating in a first designated time period, the inlet temperature of the outdoor heat exchanger is collected, a minimum temperature value is recorded, in a second designated time period of operation, the operating temperature of the outdoor heat exchanger is detected in real time, and the relationship between the real-time operating temperature value and the minimum temperature value is detected.
In any of the above technical solutions, preferably, the method further includes: the calculation unit is used for calculating a temperature difference value between the minimum temperature value and the real-time operation temperature value; the judging unit is used for judging whether the temperature difference value is larger than or equal to a preset temperature difference value or not; the computing unit is further to: when the temperature difference is judged to be greater than or equal to the preset temperature difference, calculating a frequency sum value between the real-time running frequency and a preset frequency increment, and determining the frequency sum value as a preset frequency; the regulatory unit is further configured to: and controlling the compressor to operate at the preset frequency in a third designated time period.
According to the technical scheme, whether the temperature difference value is larger than or equal to the preset temperature difference value or not is judged, the preset frequency is calculated according to the real-time running frequency and the preset frequency increment, the compressor is controlled to run at the preset frequency in a third appointed time period before the defrosting mode is run, and the reasonability and the accuracy of the control of the running frequency of the compressor are effectively improved.
In any of the above technical solutions, preferably, the preset frequency increment is 10 Hz.
In the technical scheme, the preset frequency increment is set to be 10Hz, so that the accuracy of regulating and controlling the running frequency of the compressor is improved, the problem of frequent regulation of the frequency of the compressor is reduced, the service life of the compressor is prolonged, and the experience is improved.
In any of the above technical solutions, preferably, the method further includes: a detection unit for detecting the operation pressure and/or the discharge temperature of the compressor within a third specified period of time; the regulatory unit is further configured to: and if the detected operating pressure is greater than or equal to the preset operating pressure and/or the detected exhaust temperature is greater than or equal to the preset exhaust temperature, adjusting the operating frequency of the compressor to be reduced from the preset frequency to the real-time operating frequency.
In the technical scheme, when the operation pressure of the compressor is detected to be greater than or equal to the preset operation pressure and/or the exhaust temperature is detected to be greater than or equal to the preset exhaust temperature, the load of the compressor is determined to be too high, the operation frequency of the compressor is adjusted to be reduced from the preset frequency to the real-time operation frequency, the normal operation of the air conditioner is facilitated, the problem of damage caused by the too high load of the compressor is reduced, the operation safety and stability of the air conditioner are improved, and the user experience is improved.
In any of the above technical solutions, preferably, the regulatory unit is further configured to: and in a third designated time period, increasing the rotating speed of the indoor fan to a preset rotating speed.
In the technical scheme, the rotating speed of the indoor fan is increased in a third designated time period before the defrosting mode is operated, so that the heating capacity of the indoor heat exchanger is further increased, the influence of the defrosting mode on the indoor environment temperature is reduced, and the heating effect of the air conditioner is improved.
In any of the above embodiments, preferably, the third specified period of time is 3 minutes.
In the technical scheme, the third designated time period is set to be 3 minutes, so that the problem of overhigh indoor environment temperature caused by rapid heating of the indoor heat exchanger is reduced, and the rationality of controlling the running frequency of the compressor is improved.
According to a third aspect of the present invention, there is provided an air conditioner, comprising a memory, a processor and a computer program stored in the memory and operable on the processor, wherein the processor implements the steps of the operation control method according to any one of the above aspects when executing the computer program; and/or an operation control device including any one of the above technical solutions.
According to an aspect of the fourth aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program executed to implement the operation control method according to the first aspect.
Additional aspects and 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 illustrates a schematic block diagram of an air conditioner according to an embodiment of the present invention;
fig. 4 shows a schematic flow diagram of an operation control method according to another 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.
An operation control scheme according to an embodiment of the present invention will be specifically described below with reference to fig. 1 to 4.
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, determining a minimum temperature value of the outdoor heat exchanger in a first designated time period after the heating mode is entered; step S104, collecting the real-time operation temperature value of the outdoor heat exchanger in a second designated period after the minimum temperature value is determined; and step S106, according to the magnitude relation between the real-time operation temperature value and the minimum temperature value, in a third appointed time period before entering the circulating defrosting mode, increasing the operation frequency of the compressor to a preset frequency.
In the technical scheme, the minimum temperature value of the outdoor heat exchanger is determined and the real-time operation temperature value of the outdoor heat exchanger is collected in the first designated time period after the outdoor heat exchanger enters the heating mode, the operation frequency of the compressor is increased to the preset frequency according to the relation between the real-time operation temperature value and the minimum temperature value, the heating quantity of the indoor heat exchanger is further improved, the indoor environment temperature can be increased on the premise of operation of the defrosting mode, the influence of operation of the defrosting mode on the indoor environment temperature is reduced, the heating effect of the air conditioner is improved, and the user experience is improved.
Specifically, when the air conditioner operates in a heating mode, during heating in a first designated time period, the inlet temperature of the outdoor heat exchanger is collected, a minimum temperature value is recorded, in a second designated time period of operation, the operating temperature of the outdoor heat exchanger is detected in real time, and the relationship between the real-time operating temperature value and the minimum temperature value is detected.
Wherein the first designated period may be set to 10 minutes.
In any of the above technical solutions, preferably, according to a magnitude relationship between the real-time operation temperature value and the minimum temperature value, in a third designated time period before entering the cyclic defrosting mode, the method of increasing the operation frequency of the compressor to a preset frequency specifically includes: calculating a temperature difference between the minimum temperature value and the real-time operation temperature value; judging whether the temperature difference is greater than or equal to a preset temperature difference or not; when the temperature difference is judged to be greater than or equal to the preset temperature difference, calculating a frequency sum value between the real-time running frequency and a preset frequency increment, and determining the frequency sum value as a preset frequency; and controlling the compressor to operate at the preset frequency in a third designated time period.
According to the technical scheme, whether the temperature difference value is larger than or equal to the preset temperature difference value or not is judged, the preset frequency is calculated according to the real-time running frequency and the preset frequency increment, the compressor is controlled to run at the preset frequency in a third appointed time period before the defrosting mode is run, and the reasonability and the accuracy of the control of the running frequency of the compressor are effectively improved.
Specifically, the preset temperature difference values may be set to-8 ℃, -5 ℃, -3 ℃.
In any of the above technical solutions, preferably, the preset frequency increment is 10 Hz.
In the technical scheme, the preset frequency increment is set to be 10Hz, so that the accuracy of regulating and controlling the running frequency of the compressor is improved, the problem of frequent regulation of the frequency of the compressor is reduced, the service life of the compressor is prolonged, and the experience is improved.
In any of the above technical solutions, preferably, the method further includes: detecting an operating pressure and/or a discharge temperature of the compressor during a third designated time period; and if the detected operating pressure is greater than or equal to the preset operating pressure and/or the detected exhaust temperature is greater than or equal to the preset exhaust temperature, adjusting the operating frequency of the compressor to be reduced from the preset frequency to the real-time operating frequency.
In the technical scheme, when the operation pressure of the compressor is detected to be greater than or equal to the preset operation pressure and/or the exhaust temperature is detected to be greater than or equal to the preset exhaust temperature, the load of the compressor is determined to be too high, the operation frequency of the compressor is adjusted to be reduced from the preset frequency to the real-time operation frequency, the normal operation of the air conditioner is facilitated, the problem of damage caused by the too high load of the compressor is reduced, the operation safety and stability of the air conditioner are improved, and the user experience is improved.
In any of the above technical solutions, preferably, the method further includes: and in a third designated time period, increasing the rotating speed of the indoor fan to a preset rotating speed.
In the technical scheme, the rotating speed of the indoor fan is increased in a third designated time period before the defrosting mode is operated, so that the heating capacity of the indoor heat exchanger is further increased, the influence of the defrosting mode on the indoor environment temperature is reduced, and the heating effect of the air conditioner is improved.
In any of the above embodiments, preferably, the third specified period of time is 3 minutes.
In the technical scheme, the third designated time period is set to be 3 minutes, so that the problem of overhigh indoor environment temperature caused by rapid heating of the indoor heat exchanger is reduced, and the rationality of controlling the running frequency of the compressor is improved.
Fig. 2 shows a schematic block diagram of an operation control device 200 according to an embodiment of the present invention.
As shown in fig. 2, the operation control device 200 according to the embodiment of the present invention includes: the determining unit 202 is configured to determine a minimum temperature value of the outdoor heat exchanger in a first specified time period after the heating mode is entered; the acquisition unit 204 is used for acquiring the real-time operation temperature value of the outdoor heat exchanger in a second designated period after the minimum temperature value is determined; and the regulating and controlling unit 206 is configured to increase the operating frequency of the compressor to a preset frequency in a third specified time period before entering the cyclic defrosting mode according to a magnitude relationship between the real-time operating temperature value and the minimum temperature value.
In the technical scheme, the minimum temperature value of the outdoor heat exchanger is determined and the real-time operation temperature value of the outdoor heat exchanger is collected in the first designated time period after the outdoor heat exchanger enters the heating mode, the operation frequency of the compressor is increased to the preset frequency according to the relation between the real-time operation temperature value and the minimum temperature value, the heating quantity of the indoor heat exchanger is further improved, the indoor environment temperature can be increased on the premise of operation of the defrosting mode, the influence of operation of the defrosting mode on the indoor environment temperature is reduced, the heating effect of the air conditioner is improved, and the user experience is improved.
Specifically, when the air conditioner operates in a heating mode, during heating in a first designated time period, the inlet temperature of the outdoor heat exchanger is collected, a minimum temperature value is recorded, in a second designated time period of operation, the operating temperature of the outdoor heat exchanger is detected in real time, and the relationship between the real-time operating temperature value and the minimum temperature value is detected.
Wherein the first designated period may be set to 10 minutes.
In any of the above technical solutions, preferably, the method further includes: a calculating unit 208 for calculating a temperature difference between the minimum temperature value and the real-time operation temperature value; a judging unit 210, configured to judge whether the temperature difference is greater than or equal to a preset temperature difference; the computing unit 208 is further configured to: when the temperature difference is judged to be greater than or equal to the preset temperature difference, calculating a frequency sum value between the real-time running frequency and a preset frequency increment, and determining the frequency sum value as a preset frequency; the regulation unit 206 is further configured to: and controlling the compressor to operate at the preset frequency in a third designated time period.
According to the technical scheme, whether the temperature difference value is larger than or equal to the preset temperature difference value or not is judged, the preset frequency is calculated according to the real-time running frequency and the preset frequency increment, the compressor is controlled to run at the preset frequency in a third appointed time period before the defrosting mode is run, and the reasonability and the accuracy of the control of the running frequency of the compressor are effectively improved.
Specifically, the preset temperature difference values may be set to-8 ℃, -5 ℃, -3 ℃.
In any of the above technical solutions, preferably, the preset frequency increment is 10 Hz.
In the technical scheme, the preset frequency increment is set to be 10Hz, so that the accuracy of regulating and controlling the running frequency of the compressor is improved, the problem of frequent regulation of the frequency of the compressor is reduced, the service life of the compressor is prolonged, and the experience is improved.
In any of the above technical solutions, preferably, the method further includes: a detection unit 212 for detecting an operating pressure and/or a discharge temperature of the compressor during a third designated period; the regulation unit 206 is further configured to: and if the detected operating pressure is greater than or equal to the preset operating pressure and/or the detected exhaust temperature is greater than or equal to the preset exhaust temperature, adjusting the operating frequency of the compressor to be reduced from the preset frequency to the real-time operating frequency.
In the technical scheme, when the operation pressure of the compressor is detected to be greater than or equal to the preset operation pressure and/or the exhaust temperature is detected to be greater than or equal to the preset exhaust temperature, the load of the compressor is determined to be too high, the operation frequency of the compressor is adjusted to be reduced from the preset frequency to the real-time operation frequency, the normal operation of the air conditioner is facilitated, the problem of damage caused by the too high load of the compressor is reduced, the operation safety and stability of the air conditioner are improved, and the user experience is improved.
In any of the above technical solutions, preferably, the control unit 206 is further configured to: and in a third designated time period, increasing the rotating speed of the indoor fan to a preset rotating speed.
In the technical scheme, the rotating speed of the indoor fan is increased in a third designated time period before the defrosting mode is operated, so that the heating capacity of the indoor heat exchanger is further increased, the influence of the defrosting mode on the indoor environment temperature is reduced, and the heating effect of the air conditioner is improved.
In any of the above embodiments, preferably, the third specified period of time is 3 minutes.
In the technical scheme, the third designated time period is set to be 3 minutes, so that the problem of overhigh indoor environment temperature caused by rapid heating of the indoor heat exchanger is reduced, and the rationality of controlling the running frequency of the compressor is improved.
The determining unit 202, the regulating unit 206, and the calculating unit 208 may be a CPU, an MCU, a single chip, an embedded device, and the like of the operation control apparatus 200, the determining unit 210 may be a comparator, the collecting unit 204 may be a temperature sensor, and the detecting unit 212 may be a pressure sensor and/or a temperature sensor.
Fig. 3 shows a schematic block diagram of an air conditioner 300 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: a memory, a processor and a computer program stored on the memory and executable on the processor, the steps of the operation control method according to any one of the above embodiments being implemented when the processor executes the computer program; and/or include an operation control device 200 as shown in fig. 2.
According to an embodiment of the present invention, there is also provided a computer-readable storage medium having stored thereon a computer program which, when executed, implements the steps of the operation control method described above.
Fig. 4 shows a schematic flow diagram of an operation control method according to another embodiment of the present invention.
As shown in fig. 4, the operation control method according to the embodiment of the present invention includes: step S402, starting a heating mode; step S404, collecting the inlet temperature T3 of the outdoor heat exchanger by the outdoor chip from T1 to T2 after starting up, and recording the minimum value T3min of T3; step S406, after the running time T3 is accumulated, the temperature T3 is detected, whether T3min-T3> Tset is established or not is judged, if yes, the step S408 is executed, and if not, the step S404 is executed; step S408, raising the frequency of the compressor by f1, and keeping the running time for t 4; and step S410, after the duration time t4, the system is switched to normal defrosting.
Preferably, t1 can be 5mins, t2 can be 15min, f1 can be 10Hz, and t4 can be 3 min.
In this embodiment, when the air conditioner operates in the heating mode, during the heating period from T1 to T2, the inlet temperature of the outdoor heat exchanger is collected, the minimum temperature value T3min is recorded, the operating temperature T3 of the outdoor heat exchanger is detected in real time within the T3 time period of operation, the relationship between the temperature value T3 and the minimum temperature value T3min is detected in real time, if the preset relationship between T3min-T3> Tset is met, the operating frequency of the compressor is increased by f1, the air conditioner continuously operates for a third designated time period after the frequency is increased, the heating amount of the indoor heat exchanger increases along with the increase of the operating frequency of the compressor, the indoor environment temperature is increased, and the problem that the indoor environment temperature suddenly decreases is solved when the defrosting mode is operated.
Preferably, t3 may be 35min, 50min, 120min, respectively, and Tset may be-8 ℃, -5 ℃, -3 ℃, respectively, with the scope of the present invention encompassing any suitable value.
The technical scheme of the invention is explained in detail by combining the attached drawings, and the invention provides an operation control method, an operation control device, an air conditioner and a computer readable storage medium.
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 (8)
1. An operation control method characterized by comprising:
determining the minimum temperature value of the outdoor heat exchanger in a first designated time period after the heating mode is entered;
collecting a real-time operation temperature value of the outdoor heat exchanger in a second designated period after the minimum temperature value is determined;
according to the magnitude relation between the real-time operation temperature value and the minimum temperature value, in a third appointed time period before entering a circulating defrosting mode, increasing the operation frequency of a compressor to a preset frequency;
detecting an operating pressure and/or a discharge temperature of the compressor during the third designated time period;
if the operation pressure is detected to be greater than or equal to a preset operation pressure and/or the exhaust temperature is detected to be greater than or equal to a preset exhaust temperature, adjusting the operation frequency of the compressor to be reduced from the preset frequency to the real-time operation frequency;
in the third appointed time period, increasing the rotating speed of the indoor fan to a preset rotating speed;
according to the magnitude relation between the real-time operation temperature value and the minimum temperature value, in a third designated time period before entering a circulating defrosting mode, the operation frequency of the compressor is increased to a preset frequency, and the method specifically comprises the following steps:
calculating a temperature difference between the minimum temperature value and the real-time operating temperature value;
judging whether the temperature difference is larger than or equal to a preset temperature difference or not;
when the temperature difference is judged to be greater than or equal to the preset temperature difference, calculating a frequency sum value between the real-time running frequency and a preset frequency increment, and determining the frequency sum value as the preset frequency;
controlling the compressor to operate at the preset frequency during the third designated period.
2. The operation control method according to claim 1,
the preset frequency increment is 10 Hz.
3. The operation control method according to claim 1 or 2,
the third specified period of time is 3 minutes.
4. An operation control device characterized by comprising:
the determining unit is used for determining the minimum temperature value of the outdoor heat exchanger in a first designated time interval after the outdoor heat exchanger enters the heating mode;
the acquisition unit is used for acquiring the real-time operation temperature value of the outdoor heat exchanger in a second designated period after the minimum temperature value is determined;
the regulation and control unit is used for increasing the operation frequency of the compressor to a preset frequency in a third specified time period before entering the circulating defrosting mode according to the magnitude relation between the real-time operation temperature value and the minimum temperature value;
a detection unit for detecting an operating pressure and/or a discharge temperature of the compressor during the third designated period;
the regulatory unit is further configured to: if the operation pressure is detected to be greater than or equal to a preset operation pressure and/or the exhaust temperature is detected to be greater than or equal to a preset exhaust temperature, adjusting the operation frequency of the compressor to be reduced from the preset frequency to the real-time operation frequency;
the regulatory unit is further configured to: in the third appointed time period, increasing the rotating speed of the indoor fan to a preset rotating speed;
the calculation unit is used for calculating a temperature difference value between the minimum temperature value and the real-time operation temperature value;
the judging unit is used for judging whether the temperature difference value is larger than or equal to a preset temperature difference value or not;
the computing unit is further to: when the temperature difference is judged to be greater than or equal to the preset temperature difference, calculating a frequency sum value between the real-time running frequency and a preset frequency increment, and determining the frequency sum value as the preset frequency;
the regulatory unit is further configured to: controlling the compressor to operate at the preset frequency during the third designated period.
5. The operation control device according to claim 4,
the preset frequency increment is 10 Hz.
6. The operation control device according to claim 4 or 5,
the third specified period of time is 3 minutes.
7. An air conditioner further comprising a memory, a processor, and a computer program stored on the memory and executable on the processor,
the processor, when executing the computer program, implementing the steps defined by the operation control method of any one of claims 1 to 3;
and/or comprising an operation control device according to any one of claims 4 to 6, said operation control device being connected to an electronic expansion valve.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the operation control method according to any one of claims 1 to 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711425331.XA CN108151232B (en) | 2017-12-25 | 2017-12-25 | Operation control method, operation control device, air conditioner and computer readable storage medium |
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| CN201711425331.XA CN108151232B (en) | 2017-12-25 | 2017-12-25 | Operation control method, operation control device, air conditioner and computer readable storage medium |
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| CN108151232A CN108151232A (en) | 2018-06-12 |
| CN108151232B true CN108151232B (en) | 2021-05-18 |
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| CN201711425331.XA Active CN108151232B (en) | 2017-12-25 | 2017-12-25 | Operation control method, operation control device, air conditioner and computer readable storage medium |
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| CN110762754B (en) * | 2019-10-18 | 2020-12-18 | 宁波奥克斯电气股份有限公司 | Intelligent defrosting method and system for air conditioner and air conditioner |
| CN110701729A (en) * | 2019-10-28 | 2020-01-17 | 宁波奥克斯电气股份有限公司 | Air conditioner heating control method and device, air conditioner and computer readable storage medium |
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| KR100309281B1 (en) * | 1999-02-09 | 2001-09-26 | 구자홍 | Defrost control method in heat pump type air-conditioner |
| CN102269463B (en) * | 2011-07-27 | 2013-07-17 | 海尔集团公司 | Control method for increasing low-temperature heating heat of varied-frequency air conditioner |
| CN104121662B (en) * | 2014-06-30 | 2017-03-29 | 邯郸美的制冷设备有限公司 | A kind of air-conditioner and its defrosting control method and device |
| CN104791962A (en) * | 2015-05-05 | 2015-07-22 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner system |
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| CN106766007B (en) * | 2017-02-21 | 2020-02-21 | 青岛海尔空调器有限总公司 | Air conditioner and method for improving comfort degree of air conditioner in defrosting process |
| CN106989488B (en) * | 2017-04-17 | 2020-04-28 | 广东美的制冷设备有限公司 | Air conditioner and defrosting control method and system of air conditioner |
| CN107449099B (en) * | 2017-06-20 | 2020-05-29 | 青岛海尔空调器有限总公司 | Control method and control device of air conditioner |
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