CN110749041B - Operation control method and system of air conditioner, air conditioner and storage medium - Google Patents

Operation control method and system of air conditioner, air conditioner and storage medium Download PDF

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CN110749041B
CN110749041B CN201911060724.4A CN201911060724A CN110749041B CN 110749041 B CN110749041 B CN 110749041B CN 201911060724 A CN201911060724 A CN 201911060724A CN 110749041 B CN110749041 B CN 110749041B
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temperature
outdoor environment
heat exchanger
environment temperature
preset
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CN110749041A (en
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陈体宁
李博涛
李邦琛
赵攀
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Ningbo Aux Electric Co Ltd
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Ningbo Aux Electric 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
    • F24F11/30Control 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
    • F24F11/62Control 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
    • F24F11/62Control 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
    • F24F11/65Electronic processing for selecting an operating mode
    • 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
    • F24F11/88Electrical aspects, e.g. circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • 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 and system of an air conditioner, the air conditioner and a storage medium, wherein the operation control method of the air conditioner comprises the following steps: acquiring outdoor environment temperature in a heating operation mode; and resetting the condition of the air conditioner for entering the defrosting mode according to the outdoor environment temperature. The invention has the advantages that when the air conditioner runs in the heating mode, the outdoor environment temperature is detected and acquired, and the condition of the defrosting mode can be flexibly and dynamically adjusted, so that the air conditioner runs more flexibly, and the heating effect of the air conditioner is not influenced as much as possible or can be improved to a certain extent.

Description

Operation control method and system of air conditioner, air conditioner and storage medium
Technical Field
The invention relates to the technical field of air conditioners, in particular to an operation control method and system of an air conditioner, the air conditioner and a storage medium.
Background
At present, when the air conditioner is in the heating operation mode, the condition that frosting or freezing may appear under the outdoor environment temperature that the off-premises station heat exchanger is in lower, among the correlation technique, through setting for one and being used for judging the frozen preset temperature of off-premises station heat exchanger, the coil pipe temperature of off-premises station heat exchanger through actual detection compares with preset temperature, just defrost when the coil pipe temperature is less than preset temperature, however, when the in-service use of air conditioner, it is often not too accurate to judge whether defrost is carried out through single preset temperature, the settlement of presetting the temperature also is difficult to select simultaneously, it can influence the heating effect of air conditioner to set for this preset temperature overlow or too high.
Disclosure of Invention
The invention solves the problem of how to accurately make the air conditioner carry out the defrosting mode so as to make the operation of the air conditioner more flexible and simultaneously not influence the heating effect of the air conditioner as far as possible.
In order to solve the above problems, the present invention provides an operation control method of an air conditioner, comprising the steps of:
acquiring outdoor environment temperature in a heating operation mode;
and resetting the condition of the air conditioner for entering the defrosting mode according to the outdoor environment temperature.
In the technical scheme, when the air conditioner operates in the heating mode, the outdoor environment temperature is detected and acquired, and the condition of the defrosting mode can be flexibly and dynamically adjusted, so that the operation of the air conditioner is more flexible, and meanwhile, the heating effect of the air conditioner is not influenced as much as possible, or the heating effect of the air conditioner can be improved to a certain extent.
Further, the resetting the condition for the air conditioner to enter the defrosting mode according to the outdoor environment temperature specifically includes:
resetting the defrosting temperature of the coil of the heat exchanger of the indoor unit of the air conditioner and/or the defrosting temperature of the coil of the heat exchanger of the outdoor unit of the air conditioner according to the outdoor environment temperature;
and judging whether the air conditioner enters the defrosting mode or not according to the acquired actual temperature of the coil pipe of the heat exchanger of the indoor unit and the reset defrosting temperature of the coil pipe of the heat exchanger of the indoor unit, and/or judging whether the air conditioner enters the defrosting mode or not according to the acquired actual temperature of the coil pipe of the heat exchanger of the outdoor unit and the reset defrosting temperature of the coil pipe of the heat exchanger of the outdoor unit.
In the technical scheme, the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit or the defrosting temperature of the coil pipe of the heat exchanger of the outdoor unit, which are used for comparison, is reset or the two are combined under the condition of different outdoor environment temperatures, so that whether the defrosting mode is entered or not can be determined to defrost when the actual temperature of the coil pipe of the heat exchanger of the outdoor unit and the actual temperature of the coil pipe of the heat exchanger of the indoor unit are detected, and the judgment of entering the defrosting mode is more accurate.
Further, the resetting the condition for the air conditioner to enter the defrosting mode according to the outdoor environment temperature specifically includes:
when the outdoor environment temperature is greater than or equal to a first preset outdoor environment temperature and less than a second preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: presetting defrosting temperature of a coil pipe of a heat exchanger of an indoor unit;
when the outdoor environment temperature is lower than the first preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: the difference value between the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit and the preset adjusting precision is preset;
when the outdoor environment temperature is greater than or equal to a second preset outdoor environment temperature and less than a third preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: the sum of the defrosting temperature of the coil pipe of the heat exchanger of the preset indoor unit and the preset adjusting precision;
when the outdoor environment temperature is greater than or equal to a third preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: and the sum of the defrosting temperature of the coil pipe of the heat exchanger of the preset indoor unit and twice the preset adjusting precision.
In the technical scheme, different defrosting temperatures of the coil pipes of the heat exchangers of the indoor units are set at different temperatures, when the outdoor environment temperature is lower, the defrosting temperature of the coil pipes of the heat exchangers of the indoor units is reduced, so that defrosting can be performed more quickly at a low temperature, and when the outdoor environment temperature is higher, the defrosting temperature of the coil pipes of the heat exchangers of the indoor units is increased, so that unnecessary defrosting operation is reduced, the heating time of the air conditioner is relatively longer, and the capacity attenuation of the heating process can be reduced by resetting the defrosting temperature of the coil pipes of the heat exchangers of the indoor units, so that energy can be saved.
Further, the method also comprises the following steps:
and adjusting the temperature of a coil pipe of a heat exchanger of an indoor unit of the air conditioner according to the outdoor environment temperature.
In the technical scheme, after the outdoor environment temperature is obtained, the temperature of an indoor unit heat exchanger coil of the air conditioner is adjusted to be matched with a condition that the air conditioner enters a defrosting mode to control the operation of the air conditioner, wherein when the outdoor environment temperature is low, the temperature of the indoor unit heat exchanger coil is increased by increasing the operation frequency of the compressor, the indoor heating capacity is improved, meanwhile, the refrigerant flowing out of the indoor unit heat exchanger coil cannot flow into the outdoor unit heat exchanger at a low temperature, the defrosting of the outdoor unit heat exchanger is delayed to a certain extent, the defrosting operation is reduced, more energy can be saved, when the outdoor environment temperature is high, because the outdoor environment temperature is relatively high, the outdoor unit heat exchanger is not easy to frost, at the moment, the operation frequency of the compressor can be reduced, and under the condition that the indoor heating is ensured, energy can be saved and consumption can be reduced.
Further, the adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit of the air conditioner according to the outdoor environment temperature specifically includes:
when the outdoor environment temperature is greater than or equal to a fourth preset outdoor environment temperature and less than a second preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: presetting the temperature of a coil pipe of a heat exchanger of an indoor unit;
when the outdoor environment temperature is greater than or equal to the second preset outdoor environment temperature and less than a fifth preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: the difference value between the temperature of the coil pipe of the heat exchanger of the preset indoor unit and the preset adjusting precision;
when the outdoor environment temperature is greater than or equal to the fifth preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: the difference value between the temperature of the coil pipe of the heat exchanger of the preset indoor unit and twice the preset adjusting precision;
when the outdoor environment temperature is lower than the fourth preset outdoor environment temperature and is higher than or equal to the first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: the sum of the preset indoor unit heat exchanger coil temperature and the preset adjusting precision;
when the outdoor environment temperature is lower than the first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: and the sum of the temperature of the coil pipe of the heat exchanger of the indoor unit and twice the preset adjusting precision.
In this technical scheme, under the temperature of difference, adjust indoor set heat exchanger coil pipe temperature to different temperatures, when outdoor ambient temperature is lower, improve indoor set heat exchanger coil pipe temperature, with the temperature that improves the refrigerant backward flow when low temperature, prevent to frosting too easily, and lead to getting into the defrost mode, and improve indoor heating effect, when outdoor ambient temperature is higher, reduce indoor set heat exchanger defrost temperature, when guaranteeing heating effect and not getting into the defrost mode, reduce the compressor frequency, in order to save energy.
Further, before the step of obtaining the outdoor environment temperature, the method further comprises the following steps:
acquiring the running time and the running frequency of a compressor of the air conditioner;
and when the running time reaches the preset running time and the running frequency reaches the preset running frequency, sending an instruction for detecting the outdoor environment temperature.
In the technical scheme, before the outdoor environment temperature is obtained, the method further comprises the self-checking of the air conditioner, and specifically comprises the steps of judging whether the running time and the running frequency of a compressor of the air conditioner meet requirements or not, sending an instruction for detecting the outdoor environment temperature when the running time and the running frequency of the compressor of the air conditioner meet the requirements, detecting the outdoor environment temperature through a temperature sensor and the like, and obtaining the outdoor environment temperature subsequently, so that the condition setting of the subsequent defrosting of the air conditioner caused by the fact that the air conditioner does not normally run is avoided, the temperature of a coil pipe of a heat exchanger of an indoor unit is adjusted, and the running of the air conditioner is controlled more reasonably.
Further, the method also comprises the following steps:
and when the defrosting of the air conditioner is finished, sending a control instruction for restarting the air conditioner.
According to the technical scheme, when the air conditioner enters the defrosting mode and defrosting is finished, the control instruction for restarting the air conditioner is sent to restart the air conditioner.
In addition, the present invention provides an operation control system of an air conditioner, comprising:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the outdoor environment temperature in a heating operation mode;
and the setting unit is used for resetting the condition that the air conditioner enters the defrosting mode according to the outdoor environment temperature.
Compared with the prior art, the operation control system of the air conditioner and the operation control method of the air conditioner have the same advantages, and are not described again.
In addition, the present invention provides an air conditioner, comprising a computer readable storage medium storing a computer program and a processor, wherein the computer program is read by the processor and executed to implement the operation control method of the air conditioner.
Compared with the prior art, the air conditioner and the operation control method of the air conditioner have the same advantages, and are not described again.
In addition, the present invention provides a computer-readable storage medium storing a computer program, which is read by a processor and executed, to implement the operation control method of the air conditioner.
The advantages of the computer readable storage medium and the operation control method of the air conditioner are the same as those of the prior art, and are not described herein again.
Drawings
Fig. 1 is a flowchart illustrating an operation control method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a block diagram illustrating an operation control system of an air conditioner according to an embodiment of the present invention;
FIG. 3 is a comparison graph of the operating state of the air conditioner operating at the originally set indoor unit heat exchanger coil temperature and the indoor unit heat exchanger coil defrosting temperature when the outdoor environment temperature is 2 ℃ and the operating state of the air conditioner operating at the readjusted indoor unit heat exchanger coil temperature and the readjusted indoor unit heat exchanger coil defrosting temperature in the embodiment of the present invention, wherein the horizontal axis represents the operating duration and the vertical axis represents the heating capacity;
fig. 4 is a comparison graph of the operation state of the air conditioner according to the originally set temperature of the coil of the heat exchanger of the indoor unit and the defrosting temperature of the coil of the heat exchanger of the indoor unit when the outdoor environment temperature is 0 ℃ and the operation state of the air conditioner according to the readjusted temperature of the coil of the heat exchanger of the indoor unit and the re-set defrosting temperature of the coil of the heat exchanger of the indoor unit in the embodiment of the present invention, wherein the horizontal axis represents the operation duration and the vertical axis represents the heating capacity.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
Referring to fig. 1, the present invention provides an operation control method of an air conditioner, including the steps of:
s1, acquiring outdoor environment temperature in a heating operation mode;
s2 resets the condition for the air conditioner to enter the defrost mode according to the outdoor ambient temperature.
Among the correlation technique, through setting for one and being used for judging the frozen temperature of predetermineeing of off-premises station heat exchanger, the coil pipe temperature of off-premises station heat exchanger through actual detection compares with predetermineeing the temperature, just defrost when the coil pipe temperature is less than predetermineeing the temperature, however, when the in-service use of air conditioner, it is often not too accurate to predetermine the temperature through single settlement and judge whether to defrost, predetermine the settlement of temperature also to be difficult to select simultaneously, it can influence the heating effect of air conditioner too low or too high to set for this predetermined temperature.
Based on this, the embodiment of the present invention provides an operation control method for an air conditioner, where when the air conditioner operates in a heating mode, an outdoor environment temperature is detected and obtained, and a corresponding condition for comparison is set in a control module of the air conditioner again according to a temperature range in which a different outdoor environment temperature or an actually detected outdoor environment temperature falls, so as to determine whether to enter a defrosting mode, thereby flexibly and dynamically adjusting the condition of the defrosting mode, so that the operation of the air conditioner is more flexible, and simultaneously, the heating effect of the air conditioner is not affected as much as possible, or the heating effect of the air conditioner can be improved to a certain extent.
In an optional embodiment of the present invention, the resetting the condition for the air conditioner to enter the defrosting mode according to the outdoor ambient temperature specifically includes:
resetting the defrosting temperature of the coil of the heat exchanger of the indoor unit of the air conditioner and/or the defrosting temperature of the coil of the heat exchanger of the outdoor unit of the air conditioner according to the outdoor environment temperature;
and judging whether the air conditioner enters the defrosting mode or not according to the acquired actual temperature of the coil pipe of the heat exchanger of the indoor unit and the reset defrosting temperature of the coil pipe of the heat exchanger of the indoor unit, and/or judging whether the air conditioner enters the defrosting mode or not according to the acquired actual temperature of the coil pipe of the heat exchanger of the outdoor unit and the reset defrosting temperature of the coil pipe of the heat exchanger of the outdoor unit.
In this embodiment, the defrosting temperature of the coil of the heat exchanger of the indoor unit or the defrosting temperature of the coil of the heat exchanger of the outdoor unit, or a combination of the two temperatures, which are used for comparison, can be reset under the condition of different outdoor environment temperatures, so that when the actual temperature of the coil of the heat exchanger of the outdoor unit and the actual temperature of the coil of the heat exchanger of the indoor unit are detected, whether the defrosting mode is entered or not can be determined to defrost.
The defrosting operation can be started in a defrosting mode when the detected actual temperature of the coil pipe of the heat exchanger of the indoor unit is lower than the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit by comparison judgment when the defrosting is carried out by resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit, and the heating time of the air conditioner can be prolonged by the judgment mode.
When the defrosting is carried out, the detected environment temperature of the outdoor unit and the actual temperature of the coil of the heat exchanger of the outdoor unit can be compared, the difference value of the detected environment temperature and the actual temperature of the coil of the heat exchanger of the outdoor unit is calculated, when the difference value is judged to last for a certain time, the heat exchanger of the outdoor unit can be judged to be frosted or about to be frosted, the defrosting operation can be started in a defrosting mode, and whether the coil of the heat exchanger of the outdoor unit is frosted or not can be judged accurately and directly through the judgment mode.
In addition, whether the defrosting mode is started or not is judged by combining the preset defrosting temperature of the coil pipe of the outdoor unit heat exchanger and the preset defrosting temperature of the coil pipe of the indoor unit heat exchanger, so that the defrosting operation can be more accurate, and the heating of the air conditioner is ensured to a certain extent.
In an optional embodiment of the present invention, the resetting the condition for the air conditioner to enter the defrosting mode according to the outdoor ambient temperature specifically includes:
when the outdoor environment temperature is greater than or equal to a first preset outdoor environment temperature and less than a second preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: presetting defrosting temperature of a coil pipe of a heat exchanger of an indoor unit;
when the outdoor environment temperature is lower than the first preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: the difference value between the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit and the preset adjusting precision is preset;
when the outdoor environment temperature is greater than or equal to a second preset outdoor environment temperature and less than a third preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: the sum of the defrosting temperature of the coil pipe of the heat exchanger of the preset indoor unit and the preset adjusting precision;
when the outdoor environment temperature is greater than or equal to a third preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: and the sum of the defrosting temperature of the coil pipe of the heat exchanger of the preset indoor unit and twice the preset adjusting precision.
In this embodiment, the defrosting is performed by resetting the defrosting temperature of the coil of the heat exchanger of the indoor unit, so that the heating condition of the air conditioner can be visually determined, and the heating is reasonably controlled.
In this embodiment, according to actual test conditions, the first preset outdoor environment temperature may be set to-15 ℃, the second preset outdoor environment temperature may be set to 0 ℃, the third preset outdoor environment temperature may be set to 8 ℃, the preset indoor unit heat exchanger coil defrosting temperature may be set to 38 ℃, and the preset adjustment precision may be set to 1 ℃.
Namely, when the obtained outdoor environment temperature is more than or equal to 8 ℃, the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit entering the defrosting mode can be reset to 40 ℃ through the control unit of the air conditioner; setting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit to be 39 ℃ when the obtained outdoor environment temperature is more than or equal to 0 ℃ and less than 8 ℃; when the acquired outdoor environment temperature is more than or equal to minus 15 ℃, the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit is set to be 38 ℃, when the acquired outdoor environment temperature is less than minus 15 ℃, the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit is set to be 37 ℃, so that the defrosting temperatures of the coil pipe of the heat exchanger of the indoor unit are set to be different temperatures, when the outdoor environment temperature is lower, the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit is reduced, so that defrosting can be carried out faster at a low temperature, when the outdoor environment temperature is higher, the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit is increased, unnecessary defrosting operation is reduced, the heating time of the air conditioner is relatively longer, and by resetting the defrosting temperature of the coil pipe of the heat.
In an alternative embodiment of the present invention, the method further comprises the following steps:
and adjusting the temperature of a coil pipe of a heat exchanger of an indoor unit of the air conditioner according to the outdoor environment temperature.
In the air conditioner system, when the air conditioner system operates in a heating mode, a high-temperature and high-pressure refrigerant firstly flows to an indoor unit heat exchanger for heat exchange, then the refrigerant after heat exchange continuously flows to an outdoor unit heat exchanger, and at the moment, if the temperature of the refrigerant flowing to the outdoor unit heat exchanger is too low, the outdoor unit heat exchanger is likely to be frosted.
Based on this, in this embodiment, after obtaining the outdoor environment temperature, the method further includes adjusting the temperature of the coil pipe of the indoor unit heat exchanger of the air conditioner to cooperate with the condition that the air conditioner enters the defrosting mode to control the operation of the air conditioner, wherein when the outdoor environment temperature is low, the operation frequency of the compressor is increased, so as to increase the temperature of the coil pipe of the indoor unit heat exchanger, and when the indoor heating capacity is improved, the refrigerant flowing out of the coil pipe of the indoor unit heat exchanger does not flow into the outdoor unit heat exchanger at a low temperature, so that defrosting of the outdoor unit heat exchanger is delayed to a certain extent, defrosting operation is reduced, energy can be saved more, when the outdoor environment temperature is high, because the outdoor environment temperature is relatively high, the outdoor unit heat exchanger is not prone to frost, at this time, the operation frequency of the compressor can be reduced, under the condition of ensuring indoor heating, energy can be saved and consumption can be reduced.
In an optional embodiment of the present invention, the adjusting the temperature of a coil of a heat exchanger of an indoor unit of the air conditioner according to the outdoor environment temperature specifically includes:
when the outdoor environment temperature is greater than or equal to a fourth preset outdoor environment temperature and less than a second preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: presetting the temperature of a coil pipe of a heat exchanger of an indoor unit;
when the outdoor environment temperature is greater than or equal to the second preset outdoor environment temperature and less than a fifth preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: the difference value between the temperature of the coil pipe of the heat exchanger of the preset indoor unit and the preset adjusting precision;
when the outdoor environment temperature is greater than or equal to the fifth preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: the difference value between the temperature of the coil pipe of the heat exchanger of the preset indoor unit and twice the preset adjusting precision;
when the outdoor environment temperature is lower than the fourth preset outdoor environment temperature and is higher than or equal to the first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: the sum of the preset indoor unit heat exchanger coil temperature and the preset adjusting precision;
when the outdoor environment temperature is lower than the first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: and the sum of the temperature of the coil pipe of the heat exchanger of the indoor unit and twice the preset adjusting precision.
Wherein, compare with each temperature range through detecting the outdoor ambient temperature who obtains, according to the scope that the outdoor ambient temperature of actual determination falls into, adjust indoor set heat exchanger coil temperature, in this embodiment, according to actual test condition, can set for the fourth preset outdoor ambient temperature to be-10 ℃, the fifth preset outdoor ambient temperature is 25 ℃: the preset temperature of the coil of the heat exchanger of the indoor unit is 45 ℃, and in this embodiment, the preset adjustment precision can also be set to be 1 ℃ to cooperate with the above-mentioned condition for resetting the defrosting temperature of the coil of the heat exchanger of the indoor unit entering the defrosting mode, that is, resetting the condition for entering the defrosting mode of the air conditioner, so as to adjust the running state of the air conditioner.
Combining the preset defrosting temperature of the coil pipe of the heat exchanger of the indoor unit entering the defrosting mode, and adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be 43 ℃ when the obtained outdoor environment temperature is greater than or equal to 2 ℃; when the obtained outdoor environment temperature is greater than or equal to 0 ℃ and less than 2 ℃, setting the temperature of the coil pipe of the heat exchanger of the indoor unit to be 44; when the obtained outdoor environment temperature is more than or equal to minus 10 ℃ and less than 0 ℃, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be 45 ℃, when the obtained outdoor environment temperature is more than or equal to minus 15 ℃ and less than minus 10 ℃, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be 46 ℃, when the obtained outdoor environment temperature is less than minus 15 ℃, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be 48 ℃, so that the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be different under different temperatures, when the outdoor environment temperature is lower, the temperature of the coil pipe of the heat exchanger of the indoor unit is increased, the temperature of the backflow of a refrigerant is increased under low temperature, the phenomenon that the frost is easily formed is prevented, the defrosting mode is entered, the indoor heating effect is improved, when the outdoor environment temperature is higher, the compressor frequency is reduced to save energy.
Watch 1
Figure BDA0002257874420000101
Figure BDA0002257874420000111
Watch two
Figure BDA0002257874420000112
Referring to the table I and the table 3, and the table II and the table 4, the operation states of the air conditioner operating according to the originally set coil temperature of the heat exchanger of the indoor unit and the defrosting temperature of the coil of the heat exchanger of the indoor unit when the obtained outdoor environment temperature is 2 ℃ and 0 ℃, and the operation states of the air conditioner operating according to the readjusted coil temperature of the heat exchanger of the indoor unit and the reset defrosting temperature of the coil of the heat exchanger of the indoor unit are respectively a comparison chart and a comparison table.
According to experiment, after resetting and adjusting, the energy consumption attenuation of the air conditioner is reduced, the energy efficiency is higher, and the heating time is longer.
In an optional embodiment of the present invention, before the step of obtaining the outdoor ambient temperature, the method further includes the following steps:
acquiring the running time and the running frequency of a compressor of the air conditioner;
and when the running time reaches the preset running time and the running frequency reaches the preset running frequency, sending an instruction for detecting the outdoor environment temperature.
In this embodiment, before the step of obtaining the outdoor environment temperature, the method further includes self-checking of the air conditioner, and specifically, the method determines whether the operation time and the operation frequency of the compressor of the air conditioner meet requirements, and when the operation time and the operation frequency of the compressor of the air conditioner meet the requirements, sends an instruction for detecting the outdoor environment temperature to detect the outdoor environment temperature through a temperature sensor and the like, and then obtains the outdoor environment temperature subsequently, so as to avoid setting of a defrosting condition of the subsequent air conditioner, which occurs when the air conditioner does not enter a normal operation yet, and adjusting the temperature of a coil of a heat exchanger of the indoor unit, so as to more reasonably control the operation of the air conditioner.
In an alternative embodiment of the present invention, the method further comprises the following steps:
and when the defrosting of the air conditioner is finished, sending a control instruction for restarting the air conditioner.
In this embodiment, when the air conditioner enters the defrosting mode and defrosting is finished, a control instruction for restarting the air conditioner is sent to restart the air conditioner.
An operation control system of an air conditioner according to another embodiment of the present invention includes:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the outdoor environment temperature in a heating operation mode;
and the setting unit is used for resetting the condition that the air conditioner enters the defrosting mode according to the outdoor environment temperature.
According to the operation control system of the air conditioner, when the air conditioner operates in a heating mode, the outdoor environment temperature is detected and obtained, and corresponding conditions for comparing to determine whether to enter a defrosting mode are set in the control module of the air conditioner again according to different outdoor environment temperatures or temperature intervals in which the actually detected outdoor environment temperature falls, so that the conditions of the defrosting mode are flexibly and dynamically adjusted, the operation of the air conditioner is more flexible, the heating effect of the air conditioner is not influenced as much as possible, or the heating effect of the air conditioner can be improved to a certain extent.
An air conditioner according to another embodiment of the present invention includes a computer-readable storage medium storing a computer program and a processor, where the computer program is read by the processor and executed to implement the operation control method of the air conditioner, so as to achieve the beneficial effects of the embodiments of the present invention.
In another embodiment of the present invention, a computer-readable storage medium stores a computer program, which is read and executed by a processor to implement the operation control method of the air conditioner as described above, so as to achieve the beneficial effects of the embodiments of the present invention.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. An operation control method of an air conditioner is characterized by comprising the following steps:
acquiring outdoor environment temperature in a heating operation mode;
resetting the condition of the air conditioner entering a defrosting mode according to the outdoor environment temperature;
adjusting the temperature of a coil pipe of a heat exchanger of an indoor unit of the air conditioner according to the outdoor environment temperature, wherein,
when the outdoor environment temperature is greater than or equal to a fifth preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: presetting the difference value between the temperature of the coil pipe of the heat exchanger of the indoor unit and twice preset adjusting precision;
when the outdoor environment temperature is lower than a first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: the sum of the temperature of the coil pipe of the heat exchanger of the indoor unit and twice the preset adjusting precision;
when the outdoor environment temperature is greater than or equal to a fourth preset outdoor environment temperature and less than a second preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: presetting the temperature of a coil pipe of a heat exchanger of an indoor unit;
when the outdoor environment temperature is greater than or equal to the second preset outdoor environment temperature and less than a fifth preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: the difference value between the temperature of the coil pipe of the heat exchanger of the preset indoor unit and the preset adjusting precision;
when the outdoor environment temperature is lower than the fourth preset outdoor environment temperature and is higher than or equal to the first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: and the sum of the preset indoor unit heat exchanger coil temperature and the preset adjusting precision.
2. The method according to claim 1, wherein the resetting of the condition for the air conditioner to enter the defrost mode according to the outdoor environment temperature specifically comprises:
resetting the defrosting temperature of the coil of the heat exchanger of the indoor unit of the air conditioner and/or the defrosting temperature of the coil of the heat exchanger of the outdoor unit of the air conditioner according to the outdoor environment temperature;
and judging whether the air conditioner enters the defrosting mode or not according to the acquired actual temperature of the coil pipe of the heat exchanger of the indoor unit and the reset defrosting temperature of the coil pipe of the heat exchanger of the indoor unit, and/or judging whether the air conditioner enters the defrosting mode or not according to the acquired actual temperature of the coil pipe of the heat exchanger of the outdoor unit and the reset defrosting temperature of the coil pipe of the heat exchanger of the outdoor unit.
3. The method as claimed in claim 2, wherein the resetting of the condition for the air conditioner to enter the defrost mode according to the outdoor environment temperature includes:
when the outdoor environment temperature is greater than or equal to a first preset outdoor environment temperature and less than a second preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: presetting defrosting temperature of a coil pipe of a heat exchanger of an indoor unit;
when the outdoor environment temperature is lower than the first preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: the difference value between the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit and the preset adjusting precision is preset;
when the outdoor environment temperature is greater than or equal to a second preset outdoor environment temperature and less than a third preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: the sum of the defrosting temperature of the coil pipe of the heat exchanger of the preset indoor unit and the preset adjusting precision;
when the outdoor environment temperature is greater than or equal to a third preset outdoor environment temperature, resetting the defrosting temperature of the coil pipe of the heat exchanger of the indoor unit as follows: and the sum of the defrosting temperature of the coil pipe of the heat exchanger of the preset indoor unit and twice the preset adjusting precision.
4. The operation control method of an air conditioner according to claim 1, further comprising, before the step of obtaining the outdoor ambient temperature, the steps of:
acquiring the running time and the running frequency of a compressor of the air conditioner;
and when the running time reaches the preset running time and the running frequency reaches the preset running frequency, sending an instruction for detecting the outdoor environment temperature.
5. The operation control method of an air conditioner according to claim 1, further comprising the steps of:
and when the defrosting of the air conditioner is finished, sending a control instruction for restarting the air conditioner.
6. An operation control system of an air conditioner, comprising:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the outdoor environment temperature in a heating operation mode;
a setting unit for resetting the condition of the air conditioner entering the defrosting mode according to the outdoor environment temperature, and for adjusting the temperature of a coil of a heat exchanger of an indoor unit of the air conditioner according to the outdoor environment temperature, wherein,
when the outdoor environment temperature is greater than or equal to a fifth preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: presetting the difference value between the temperature of the coil pipe of the heat exchanger of the indoor unit and twice preset adjusting precision;
when the outdoor environment temperature is lower than a first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: the sum of the temperature of the coil pipe of the heat exchanger of the indoor unit and twice the preset adjusting precision;
when the outdoor environment temperature is greater than or equal to a fourth preset outdoor environment temperature and less than a second preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: presetting the temperature of a coil pipe of a heat exchanger of an indoor unit;
when the outdoor environment temperature is greater than or equal to the second preset outdoor environment temperature and less than a fifth preset outdoor environment temperature, adjusting the temperature of the coil pipe of the heat exchanger of the indoor unit to be: the difference value between the temperature of the coil pipe of the heat exchanger of the preset indoor unit and the preset adjusting precision;
when the outdoor environment temperature is lower than the fourth preset outdoor environment temperature and is higher than or equal to the first preset outdoor environment temperature, the temperature of the coil pipe of the heat exchanger of the indoor unit is adjusted to be: and the sum of the preset indoor unit heat exchanger coil temperature and the preset adjusting precision.
7. An air conditioner comprising a computer-readable storage medium storing a computer program and a processor, wherein the computer program is read by the processor and when executed, implements the operation control method of the air conditioner according to any one of claims 1 to 5.
8. A computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements the operation control method of an air conditioner according to any one of claims 1 to 5.
CN201911060724.4A 2019-11-01 2019-11-01 Operation control method and system of air conditioner, air conditioner and storage medium Active CN110749041B (en)

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