CN107166634B - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof Download PDF

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Publication number
CN107166634B
CN107166634B CN201710277833.6A CN201710277833A CN107166634B CN 107166634 B CN107166634 B CN 107166634B CN 201710277833 A CN201710277833 A CN 201710277833A CN 107166634 B CN107166634 B CN 107166634B
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environment temperature
indoor environment
air conditioner
temperature
ambient temperature
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CN107166634A (en
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马玉奇
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Qingdao Haier Parts Co., Ltd
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Priority to PCT/CN2018/083877 priority patent/WO2018196688A1/en
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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
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses an air conditioner and a control method thereof, when the air conditioner stores a normal area corresponding to the number of air conditioners, the initial indoor environment temperature and the initial outdoor environment temperature operate a plurality of target indoor environment temperatures corresponding to a plurality of set time periods in various operation modes of the air conditioner, the initial indoor environment temperature and the initial outdoor environment temperature are detected after the air conditioner is started, and the initial indoor environment temperature and the initial outdoor environment temperature operate a plurality of target indoor environment temperatures corresponding to a plurality of set time periods; the air conditioner judges the relation between the actual indoor environment temperature and the target indoor environment temperature during the running time t, and controls the refrigerating or heating effect of the air conditioner according to the relation between the actual indoor environment temperature and the target indoor environment temperature so as to meet the refrigerating and heating requirements as soon as possible.

Description

Air conditioner and control method thereof
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to an air conditioner and a control method thereof.
Background
The existing air conditioner is generally selected according to the room area, and when the air conditioner runs, the air conditioner is controlled according to the relation between the ambient temperature and the set temperature. However, when the air conditioner is actually used, there may be a difference in opening and closing of doors and windows, which causes a difference in actual areas where the air conditioner is located, and the existing air conditioner is controlled according to the indoor environment temperature and the set temperature in a period of time after the air conditioner is started, so that it is impossible to determine whether the number of air conditioners matches the area of a room during operation of the air conditioner, and the cooling and heating effects of the air conditioner cannot rapidly meet the cooling and heating requirements during a period of time after the air conditioner is started, especially when the actual area of the room is greater than the actual area corresponding to the number of air conditioners.
Disclosure of Invention
The invention aims to provide an air conditioner and a control method thereof, and solves the problems that the matching number of the air conditioner cannot be judged whether to be matched with the room area after the existing air conditioner is started, and the refrigerating and heating effects of the air conditioner cannot quickly meet the refrigerating and heating requirements within a period of time after the air conditioner is started, particularly when the actual area of a room is larger than the actual area corresponding to the matching number.
In order to achieve the purpose, the heat exchanger provided by the invention adopts the following technical scheme:
a control method of an air conditioner is disclosed, when the air conditioner stores a plurality of target indoor environment temperatures corresponding to a plurality of set time periods when the initial indoor environment temperature and the initial outdoor environment temperature are operated under various operation modes of the air conditioner, the method is as follows:
detecting an initial indoor ambient temperature and an initial outdoor ambient temperature;
the air conditioner reads the initial indoor environment temperature and the initial outdoor environment temperature and operates a plurality of target indoor environment temperatures corresponding to a plurality of set time periods;
detecting the actual indoor environment temperature when the air conditioner operates, judging the relation between the actual indoor environment temperature and the target indoor environment temperature when the air conditioner operates for time t, and controlling the refrigerating effect or the heating effect of the air conditioner according to the relation between the actual indoor environment temperature and the target indoor environment temperature; if the actual indoor environment temperature does not reach the target indoor environment temperature after N time periods, the air conditioner keeps the maximum refrigeration or heating running state, and the air conditioner sends prompt information.
The method for controlling the air conditioner according to the relationship between the actual indoor environment temperature and the target indoor environment temperature comprises the following steps: and if the difference between the actual indoor environment temperature and the target indoor environment temperature is smaller than the set value, the refrigeration effect of the air conditioner is enhanced to be the first refrigeration effect.
According to the control method of the air conditioner, if the difference between the actual indoor environment temperature and the target indoor environment temperature is greater than or equal to the set value, the refrigerating effect of the air conditioner is enhanced to be the second refrigerating effect, and the second refrigerating effect is greater than the first refrigerating effect.
According to the control method of the air conditioner, if the difference between the actual indoor environment temperature and the target indoor environment temperature in the current time period is smaller than the set value and the difference between the actual indoor environment temperature and the target indoor environment temperature in the next time period is in a decreasing trend, the PID control is performed on the running frequency of the compressor according to the indoor environment temperature and the set temperature.
According to the control method of the air conditioner, if the difference between the actual indoor environment temperature and the target indoor environment temperature does not decrease in the next time period, the refrigeration effect of the air conditioner is enhanced to be the third refrigeration effect, and the third refrigeration effect is larger than the second refrigeration effect.
The method for controlling the air conditioner according to the relationship between the actual indoor environment temperature and the target indoor environment temperature comprises the following steps: and if the difference between the target indoor environment temperature and the actual indoor environment temperature is smaller than the set value, the heating effect of the air conditioner is enhanced to be the first heating effect.
In the control method of the air conditioner, if the difference between the target indoor environment temperature and the actual indoor environment temperature is greater than or equal to the set value, the heating effect of the air conditioner is enhanced to be the second heating effect, and the second heating effect is greater than the first heating effect.
In the control method of the air conditioner, if the difference between the target indoor environment temperature and the actual indoor environment temperature in the current time period is smaller than the set value and the difference between the target indoor environment temperature and the actual indoor environment temperature in the next time period is in a decreasing trend, the PID control is performed on the operating frequency of the compressor according to the indoor environment temperature and the set temperature.
According to the control method of the air conditioner, if the difference between the target indoor environment temperature and the actual indoor environment temperature in the next time period does not tend to decrease, the heating effect of the air conditioner is enhanced to be the third heating effect, and the third heating effect is larger than the second heating effect.
An air conditioner comprises a storage module, a control module and a control module, wherein the storage module is used for storing a plurality of target indoor environment temperatures corresponding to a plurality of set time periods when the initial indoor environment temperature and the initial outdoor environment temperature operate in various operation modes of the air conditioner when the number of air conditioners corresponds to the area of a normal room;
the temperature detection module is used for detecting the initial indoor environment temperature, the initial outdoor environment temperature and the indoor environment temperature;
the control module is used for reading the initial indoor environment temperature and the initial outdoor environment temperature and operating a plurality of target indoor environment temperatures corresponding to a plurality of set time periods; the system is used for judging the relation between the actual indoor environment temperature and the target indoor environment temperature during the running time t and controlling the refrigerating effect or the heating effect of the air conditioner according to the relation between the actual indoor environment temperature and the target indoor environment temperature; and after N time periods, controlling the air conditioner to keep the maximum refrigerating or heating running state and sending prompt information when the actual indoor environment temperature still does not reach the target indoor environment temperature.
Compared with the prior art, the invention has the advantages and positive effects that: when the air conditioner stores a normal area corresponding to the number of air conditioner matches, the initial indoor environment temperature and the initial outdoor environment temperature operate a plurality of target indoor environment temperatures corresponding to a plurality of set time periods in various operation modes of the air conditioner, the initial indoor environment temperature and the initial outdoor environment temperature are detected after the air conditioner is started, and the initial indoor environment temperature and the initial outdoor environment temperature operate a plurality of target indoor environment temperatures corresponding to a plurality of set time periods; the air conditioner judges the relation between the actual indoor environment temperature and the target indoor environment temperature during the running time t, judges whether the air conditioner is in a normal area or not according to the relation between the actual indoor environment temperature and the target indoor environment temperature, controls the refrigerating or heating effect of the air conditioner so as to meet the refrigerating and heating requirements as soon as possible, and when the space area where the air conditioner is located exceeds the load of the air conditioner by the number, the air conditioner runs in the maximum refrigerating or heating running state and sends prompt information to remind a user.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a flow chart of a cooling mode control method of an air conditioner according to the present invention.
Fig. 2 is a flow chart of a heating mode control method of an air conditioner according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
The air conditioner of this embodiment includes air conditioner body, control module, storage module, indoor temperature detection module and outdoor temperature detection module.
The air conditioner body is used for realizing the functions of refrigeration and heating.
When the storage module stores the number of air conditioners corresponding to the area of a normal room, the initial indoor environment temperature and the initial outdoor environment temperature are operated in various operation modes of the air conditioners for a plurality of target indoor environment temperatures corresponding to a plurality of set time periods, and the specific table is as follows:
Figure BDA0001278777660000041
the indoor temperature detection module is used for detecting the indoor environment temperature and sending the indoor environment temperature to the control module; and the outdoor temperature detection module is used for detecting the outdoor environment temperature and sending the outdoor environment temperature to the control module.
The control module reads the initial indoor environment temperature and the initial outdoor environment temperature and operates a plurality of target indoor environment temperatures corresponding to a plurality of set time periods; and controlling the refrigerating effect or the heating effect of the air conditioner according to the relation between the actual indoor environment temperature and the target indoor environment temperature at the running time t so as to meet the refrigerating and heating requirements as soon as possible. And when the actual indoor environment temperature still does not reach the target indoor environment temperature after N time periods, the control module judges that the number of the air conditioners is difficult to meet the room area, the control module controls the air conditioner to keep the maximum refrigerating or heating running state, and the air conditioner sends prompt information to remind a user of processing (closing a door, closing a window or moving an indoor unit of the air conditioner to a space with a proper area for use).
The control of the cooling effect or the heating effect of the air conditioner is mainly realized by adjusting the operating frequency of the compressor, and in addition, the control can also be realized by auxiliary measures such as adjusting the air speed of the indoor unit and the opening degree of the electronic expansion valve.
The following specifically describes the refrigeration control and heating control method of the air conditioner with reference to the above table:
the air conditioner refrigeration control method comprises the steps of detecting an initial indoor environment temperature Tr2 and an initial outdoor environment temperature Tw2 after the air conditioner is started. And acquiring the running mode of the air conditioner as a refrigeration high wind mode. The air conditioner reads an initial indoor environment temperature Tr2 and an initial outdoor environment temperature Tw2 in a cooling high wind mode and runs a plurality of target indoor environment temperatures corresponding to a plurality of set time periods, and the air conditioner comprises a target indoor environment temperature T21 corresponding to a first time period, a target indoor environment temperature T22 corresponding to a second time period, a target indoor environment temperature T23 corresponding to a third time period, target indoor environment temperatures T24 and … corresponding to a fourth time period, and a target indoor environment temperature T2N corresponding to an Nth time period. The air conditioner judges the relation between the actual indoor environment temperature and the target indoor environment temperature during the running time t, the refrigeration effect of the air conditioner is controlled according to the relation between the actual indoor environment temperature and the target indoor environment temperature, and if the difference between the actual indoor environment temperature and the target indoor environment temperature is smaller than a set value, the refrigeration effect of the air conditioner is enhanced to be a first refrigeration effect; if the difference between the actual indoor environment temperature and the target indoor environment temperature is larger than or equal to a set value, the refrigerating effect of the air conditioner is enhanced to be a second refrigerating effect, and the second refrigerating effect is larger than the first refrigerating effect; if the difference between the actual indoor environment temperature and the target indoor environment temperature in the current time period is smaller than a set value, and the difference between the actual indoor environment temperature and the target indoor environment temperature in the next time period is in a decreasing trend, which indicates that the room area is matched with the number of the air conditioners, performing PID control on the running frequency of the compressor according to the indoor environment temperature and the set temperature; and if the difference between the actual indoor environment temperature and the target indoor environment temperature in the next time period is not in a decreasing trend, the refrigerating effect of the air conditioner is enhanced to be a third refrigerating effect, and the third refrigerating effect is greater than the second refrigerating effect. And if the actual indoor environment temperature does not reach the target indoor environment temperature after N time periods, the matching of the room area and the number of the air conditioners is not matched, the air conditioners keep the maximum refrigeration running state, and the air conditioners send prompt information to a panel or a terminal to prompt users to process the prompt information. Wherein, the enhancement of the cooling effect of the air conditioner is generally achieved by increasing the operating frequency of the compressor.
As shown in fig. 1, the present embodiment is described by taking N ═ 2 as an example, and specifically includes the following steps:
s1, starting the air conditioner;
s2, detecting the initial indoor environment temperature Tr2 and the initial outdoor environment temperature Tw2, and acquiring that the operation mode of the air conditioner is a cooling high wind mode.
S3, the air conditioner reads the initial indoor ambient temperature Tr2 and the initial outdoor ambient temperature Tw2 in the cooling high wind mode, and operates two target indoor ambient temperatures corresponding to two set time periods, including the target indoor ambient temperature T21 corresponding to the first time period and the target indoor ambient temperature T22 corresponding to the second time period.
S4, the air conditioner determines that t is less than or equal to a first time period? If so, the process proceeds to step S5, otherwise, the process proceeds to step S8.
S5, if the difference between the actual indoor environment temperature and the target indoor environment temperature T21 is less than the set value, the process goes to step S6; otherwise, the process proceeds to step S7.
S6, the cooling effect of the air conditioner is enhanced to be the first cooling effect, and the process proceeds to step S4.
S7, the cooling effect of the air conditioner is enhanced to be the second cooling effect, and the process proceeds to step S4.
S8, the air conditioner determines that the first time period t is less than or equal to the second time period? If so, the process proceeds to step S9, otherwise, the process proceeds to step S13.
S9, judging that the difference between the actual indoor environment temperature and the target indoor environment temperature in the first time period is smaller than a set value, and the difference between the actual indoor environment temperature and the target indoor environment temperature in the second time period is in a decreasing trend, entering step S10, otherwise, entering step S11.
And S10, performing PID control on the running frequency of the compressor according to the indoor environment temperature and a set temperature, wherein the set temperature is the set temperature of a user.
S11, judging that the difference between the actual indoor environment temperature and the target indoor environment temperature in the first time period is smaller than a set value, and the difference between the actual indoor environment temperature and the target indoor environment temperature in the second time period is not in a decreasing trend, entering step S12, otherwise, entering step S13.
S12, the cooling effect of the air conditioner is enhanced to be the third cooling effect, and the process proceeds to step S8.
And S13, the air conditioner keeps the maximum cooling operation state and gives a prompt.
The heating control method of the air conditioner, after the air conditioner is started, detect the initial indoor ambient temperature Tr5 and initial outdoor ambient temperature Tw 5. And acquiring the operation mode of the air conditioner as a heating high wind mode. The air conditioner reads a plurality of target indoor environment temperatures corresponding to a plurality of set time periods of operation of an initial indoor environment temperature Tr5 and an initial outdoor environment temperature Tw5 in a heating high wind mode, and the present embodiment includes a target indoor environment temperature T51 corresponding to a first time period, a target indoor environment temperature T52 corresponding to a second time period, a target indoor environment temperature T53 corresponding to a third time period, a target indoor environment temperature T54, … corresponding to a fourth time period, and a target indoor environment temperature T5N corresponding to an nth time period. The air conditioner judges the relation between the actual indoor environment temperature and the target indoor environment temperature during the running time t, controls the heating effect of the air conditioner according to the relation between the actual indoor environment temperature and the target indoor environment temperature, and enhances the heating effect of the air conditioner to be a first heating effect if the difference between the target indoor environment temperature and the actual indoor environment temperature is smaller than a set value; if the difference between the target indoor environment temperature and the actual indoor environment temperature is larger than or equal to a set value, the heating effect of the air conditioner is enhanced to be a second heating effect, and the second heating effect is larger than the first heating effect; if the difference between the target indoor environment temperature and the actual indoor environment temperature in the current time period is smaller than a set value, and the difference between the target indoor environment temperature and the actual indoor environment temperature in the next time period is in a decreasing trend, which indicates that the room area is matched with the number of the air conditioners, performing PID control on the running frequency of the compressor according to the indoor environment temperature and the set temperature; and if the difference between the target indoor environment temperature and the actual indoor environment temperature in the next time period is not in a decreasing trend, the heating effect of the air conditioner is enhanced to be a third heating effect, and the third heating effect is greater than the second heating effect. If the actual indoor environment temperature does not reach the target indoor environment temperature after N time periods, the fact that the room area is not matched with the number of the air conditioners is shown, the air conditioners keep the maximum heating operation state, and the air conditioners send prompt messages to a panel or a terminal to remind users of processing. Wherein, the heating effect of the air conditioner is generally enhanced by increasing the operation frequency of the compressor.
As shown in fig. 2, the present embodiment is described by taking N ═ 2 as an example, and specifically includes the following steps:
s1, starting the air conditioner;
s2, detecting the initial indoor environment temperature Tr5 and the initial outdoor environment temperature Tw5, and acquiring that the operation mode of the air conditioner is a heating high wind mode.
S3, the air conditioner reads the initial indoor ambient temperature Tr5 and the initial outdoor ambient temperature Tw5 in the hot high wind mode, and operates two target indoor ambient temperatures corresponding to two set time periods, including the target indoor ambient temperature T51 corresponding to the first time period and the target indoor ambient temperature T52 corresponding to the second time period.
S4, the air conditioner determines that t is less than or equal to a first time period? If so, the process proceeds to step S5, otherwise, the process proceeds to step S8.
S5, if the difference between the target indoor environment temperature and the actual indoor environment temperature T21 is less than the set value, the step S6 is carried out; otherwise, the process proceeds to step S7.
S6, the heating effect of the air conditioner is enhanced to be the first heating effect, and the process proceeds to step S4.
S7, the heating effect of the air conditioner is enhanced to the second heating effect, and the process proceeds to step S4.
S8, the air conditioner determines that the first time period t is less than or equal to the second time period? If so, the process proceeds to step S9, otherwise, the process proceeds to step S13.
S9, judging that the difference between the target indoor environment temperature and the actual indoor environment temperature in the first time period is smaller than a set value, and the difference between the target indoor environment temperature and the actual indoor environment temperature in the second time period is in a decreasing trend, entering the step S10, otherwise, entering the step S11.
And S10, performing PID control on the running frequency of the compressor according to the indoor environment temperature and a set temperature, wherein the set temperature is the set temperature of a user.
S11, judging that the difference between the target indoor environment temperature and the actual indoor environment temperature in the first time period is smaller than a set value, and the difference between the target indoor environment temperature and the actual indoor environment temperature in the second time period is not in a decreasing trend, and entering the step S12, otherwise, entering the step S13.
S12, the heating effect of the air conditioner is enhanced to the third heating effect, and the process proceeds to step S8.
And S13, the air conditioner keeps the maximum heating operation state and gives a prompt.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A control method of an air conditioner is characterized in that when the air conditioner stores a plurality of target indoor environment temperatures corresponding to a plurality of set time periods when the initial indoor environment temperature and the initial outdoor environment temperature are operated in various operation modes of the air conditioner when the number of the air conditioner corresponds to the normal room area, the method comprises the following steps:
detecting an initial indoor ambient temperature and an initial outdoor ambient temperature;
the air conditioner reads the initial indoor environment temperature and the initial outdoor environment temperature and operates a plurality of target indoor environment temperatures corresponding to a plurality of set time periods;
detecting the actual indoor environment temperature when the air conditioner operates, judging the relation between the actual indoor environment temperature and the target indoor environment temperature when the air conditioner operates for time t, and controlling the refrigerating effect or the heating effect of the air conditioner according to the relation between the actual indoor environment temperature and the target indoor environment temperature; if the actual indoor environment temperature does not reach the target indoor environment temperature after N time periods, the fact that the room area is not matched with the number of the air conditioners is shown, the air conditioners keep the maximum refrigerating or heating running state, and the air conditioners send prompt information.
2. The method for controlling an air conditioner according to claim 1, wherein the method for controlling the cooling effect of the air conditioner according to the relationship between the actual indoor ambient temperature and the target indoor ambient temperature comprises: and if the difference between the actual indoor environment temperature and the target indoor environment temperature is smaller than the set value, the refrigeration effect of the air conditioner is enhanced to be the first refrigeration effect.
3. The method as claimed in claim 2, wherein if the difference between the actual indoor ambient temperature and the target indoor ambient temperature is greater than or equal to a predetermined value, the cooling effect of the air conditioner is enhanced to a second cooling effect, and the second cooling effect is greater than the first cooling effect.
4. The method as claimed in claim 2, wherein if the difference between the actual indoor ambient temperature and the target indoor ambient temperature in the current time period is less than a set value and the difference between the actual indoor ambient temperature and the target indoor ambient temperature in the next time period is in a decreasing trend, performing PID control on the operating frequency of the compressor according to the indoor ambient temperature and the set temperature.
5. The method as claimed in claim 4, wherein if the difference between the actual indoor ambient temperature and the target indoor ambient temperature does not decrease during the next period of time, the cooling effect of the air conditioner is enhanced to be a third cooling effect, and the third cooling effect is greater than the second cooling effect.
6. The method of claim 1, wherein the method of controlling the heating effect of the air conditioner according to the relationship between the actual indoor ambient temperature and the target indoor ambient temperature comprises: and if the difference between the target indoor environment temperature and the actual indoor environment temperature is smaller than the set value, the heating effect of the air conditioner is enhanced to be the first heating effect.
7. The method as claimed in claim 6, wherein if the difference between the target indoor ambient temperature and the actual indoor ambient temperature is greater than or equal to a predetermined value, the heating effect of the air conditioner is enhanced to a second heating effect, and the second heating effect is greater than the first heating effect.
8. The method as claimed in claim 6, wherein if the difference between the target indoor ambient temperature and the actual indoor ambient temperature in the current time period is less than the set value and the difference between the target indoor ambient temperature and the actual indoor ambient temperature in the next time period is in a decreasing trend, performing PID control on the operating frequency of the compressor according to the indoor ambient temperature and the set temperature.
9. The method as claimed in claim 8, wherein if the difference between the target indoor ambient temperature and the actual indoor ambient temperature in the next time period does not decrease, the heating effect of the air conditioner is enhanced to be a third heating effect, and the third heating effect is greater than the second heating effect.
10. The air conditioner is characterized by comprising a storage module, a control module and a control module, wherein the storage module is used for storing a plurality of target indoor environment temperatures corresponding to a plurality of set time periods when the initial indoor environment temperature and the initial outdoor environment temperature are operated in various operation modes of the air conditioner when the number of the air conditioner corresponds to the area of a normal room;
the temperature detection module is used for detecting the initial indoor environment temperature, the initial outdoor environment temperature and the indoor environment temperature;
the control module is used for reading the initial indoor environment temperature and the initial outdoor environment temperature and operating a plurality of target indoor environment temperatures corresponding to a plurality of set time periods; the system is used for judging the relation between the actual indoor environment temperature and the target indoor environment temperature during the running time t and controlling the refrigerating effect or the heating effect of the air conditioner according to the relation between the actual indoor environment temperature and the target indoor environment temperature; and when the actual indoor environment temperature still does not reach the target indoor environment temperature after N time periods, the room area is not matched with the number of the air conditioners, the air conditioners are controlled to keep the maximum refrigerating or heating running state, and prompt information is sent.
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