CN111473422B - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN111473422B CN111473422B CN202010326047.2A CN202010326047A CN111473422B CN 111473422 B CN111473422 B CN 111473422B CN 202010326047 A CN202010326047 A CN 202010326047A CN 111473422 B CN111473422 B CN 111473422B
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- air conditioner
- temperature
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- indoor
- heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
Abstract
The invention discloses an air conditioner and a control method of the air conditioner, wherein the air conditioner comprises an indoor part, the indoor part comprises a shell, an indoor heat exchanger assembly and a plurality of fans, the indoor heat exchanger assembly and the plurality of fans are arranged in the shell, the indoor heat exchanger assembly comprises a plurality of heat exchange parts, and the plurality of heat exchange parts correspond to the plurality of fans one by one; the control method comprises the following steps: starting a high-temperature sterilization mode; and controlling the heating operation of the air conditioner, and controlling at least one of the fans not to work and at least one of the fans to work. According to the control method of the air conditioner, after the sterilization mode is started, at least one of the fans is controlled to work, so that the working fan can drive airflow to flow to the heat exchange part corresponding to the working fan to a greater extent or completely, the heat exchange efficiency of the heat exchange part corresponding to the working fan is higher, the temperature of the heat exchange part corresponding to the working fan is lower, the air conditioner is prevented from generating high temperature and high pressure, and the running reliability of the air conditioner is improved.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to an air conditioner and a control method of the air conditioner.
Background
In the related art, when the air conditioner is in a high-temperature sterilization process, the whole indoor heat exchanger is in a high-temperature state, so that the system pressure is increased, the running reliability of the air conditioner is poor, and the air conditioner is damaged.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a method for controlling an air conditioner, which has high reliability of operation.
The invention also provides an air conditioner working by adopting the control method.
According to the control method of the air conditioner, the air conditioner comprises an indoor part, the indoor part comprises a shell, an indoor heat exchanger assembly and a plurality of fans, the indoor heat exchanger assembly and the plurality of fans are arranged in the shell, the indoor heat exchanger assembly comprises a plurality of heat exchange parts, and the heat exchange parts correspond to the fans one by one; the control method comprises the following steps: starting a high-temperature sterilization mode; and controlling the air conditioner to perform heating operation, and controlling at least one of the fans to be out of work and at least one of the fans to be in work.
According to the control method of the air conditioner, after the sterilization mode is started, at least one of the fans is controlled to be idle, so that little or no air flow flows through the heat exchange part corresponding to the idle fan, the heat exchange efficiency of the heat exchange part is low, the temperature of the heat exchange part is high, and the sterilization effect is guaranteed.
In some embodiments of the present invention, the housing has a plurality of indoor vents, the plurality of indoor vents and the plurality of fans are in one-to-one correspondence, at least one of the plurality of fans is controlled not to be operated and at least one of the plurality of fans is controlled to be operated, and simultaneously, the indoor vent corresponding to the fan which is not operated is controlled to be closed, and the indoor vent corresponding to the fan which is operated is controlled to be opened.
In some embodiments of the present invention, throughout the air conditioner in the high-temperature sterilization mode, a discharge temperature Tp of a compressor and a heat exchange temperature Th of a heat exchange portion corresponding to an operating fan are detected in real time; and if the discharge temperature Tp of the compressor is greater than or equal to a first preset shutdown protection temperature T1 or the temperature Th of the heat exchange part is greater than or equal to a second preset shutdown protection temperature T2, controlling the compressor to shutdown.
In some embodiments of the present invention, the compressor is controlled to be down-converted if the discharge temperature Tp of the compressor is greater than or equal to a first preset down-conversion temperature T11 or the temperature Th of the heat exchanging part is greater than or equal to a second preset down-conversion temperature T22, wherein T11 is less than T1, and T22 is less than T2.
In some embodiments of the present invention, a difference between the T1 and the T11 has a value range of: 1-3 ℃; and/or the value range of the difference value between the T2 and the T22 is as follows: 1-3 ℃.
In some embodiments of the present invention, the first predetermined down-conversion temperature T11 has a value range of: 103-112 ℃; and/or the value range of the second preset down-conversion temperature T22 is: 53 ℃ to 63 ℃.
In some embodiments of the present invention, the outdoor ambient temperature T0 is obtained when entering the high temperature sterilization mode, and the operating frequency of the compressor is initialized according to the outdoor ambient temperature T0, and the initial operating frequency F0 of the compressor is inversely related to the outdoor ambient temperature.
In some embodiments of the present invention, if the outdoor ambient temperature is not lower than 28 ℃, the value range of the initial operating frequency F0 of the compressor is 25 to 35 Hz; if the outdoor environment temperature is not lower than 22 ℃ and lower than 28 ℃, the value range of the initial operation frequency F0 of the compressor is 35-45 Hz; if the outdoor environment temperature is not lower than 15 ℃ and lower than 22 ℃, the value range of the initial operation frequency F0 of the compressor is 50-60 Hz; if the outdoor environment temperature is not lower than 6 ℃ and lower than 15 ℃, the value range of the initial operating frequency F0 of the compressor is as follows: 65-75 Hz; and if the outdoor environment temperature is lower than 6 ℃, the running frequency of the compressor is 80-90 Hz.
An air conditioner according to an embodiment of the present invention includes: the indoor part comprises a shell, an indoor heat exchanger assembly and a plurality of fans, wherein the indoor heat exchanger assembly and the fans are both positioned in the shell, the indoor heat exchanger assembly comprises a plurality of heat exchange parts, and the heat exchange parts correspond to the fans one by one; and the control module is used for controlling the fan to work or not to work, and the air conditioner works by adopting the control method.
According to the air conditioner of the embodiment of the invention, by adopting the control method of the air conditioner, after the sterilization mode is started, by controlling at least one of the plurality of fans to be inactive, so that little or no airflow flows through the heat exchange portion corresponding to the inactive fan, the heat exchange efficiency of the heat exchange portion is low, the temperature of the heat exchange part is higher, thereby being beneficial to ensuring the sterilization effect, and meanwhile, by controlling at least one of the fans to work, the fan working in this way can drive the air flow to the heat exchange part corresponding to the fan working to a greater extent or completely, therefore, the heat exchange efficiency of the heat exchange part corresponding to the working fan is higher, the temperature of the heat exchange part corresponding to the working fan is lower, the air conditioner is prevented from generating high temperature and high pressure, and the running reliability of the air conditioner is improved.
In some embodiments of the invention, the indoor heat exchanger assembly is a heat exchanger.
In some embodiments of the present invention, the casing has a plurality of indoor vents, the indoor portion includes a wind guide member for opening or closing the indoor vents, and the control module is configured to control the wind guide member to move.
In some embodiments of the invention, the indoor vent is an air outlet. 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 is a schematic diagram of an air conditioner according to some embodiments of the present invention;
FIG. 2 is a schematic view of an indoor portion according to some embodiments of the invention;
fig. 3 is a schematic diagram of a control method of an air conditioner according to some embodiments of the present invention.
Reference numerals:
an air conditioner 100;
an indoor section 10; a housing 1; an air inlet 11; an air outlet 12; an indoor heat exchanger assembly 2; a heat exchange portion 21; a fan 3; a second temperature detection device 4;
an outdoor portion 20; a compressor 201; an exhaust port 2011; an air return outlet 2012; a commutation component 202; a first interface 2021; a second interface 2022; a third interface 2023; a fourth interface 2024; an outdoor heat exchanger 203; a throttling element 204; a first temperature detection device 205.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A control method of the air conditioner 100 and the air conditioner 100 according to an embodiment of the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1 to 2, an air conditioner 100 according to an embodiment of the present invention includes: an indoor section 10, a control module and an outdoor section 20. The air conditioner 100 may be a split type air conditioner 100 or an integrated type air conditioner 100, and when the air conditioner 100 is the split type air conditioner 100, the indoor section 10 refers to an indoor air conditioner, the outdoor section 20 refers to an outdoor air conditioner, and when the air conditioner 100 is the integrated type air conditioner 100, for example, a window air conditioner, the indoor section 10 refers to a section of the window air conditioner located on the indoor side and used for cooling or heating the indoor environment, and the outdoor section 20 refers to a section of the window air conditioner located on the outdoor side and used for exchanging heat with the outdoor environment.
As shown in fig. 2, the indoor portion 10 includes a housing 1, an indoor heat exchanger assembly 2, and a plurality of fans 3. Particularly, casing 1 includes air intake 11 and air outlet 12, indoor heat exchanger subassembly 2 with a plurality of fans 3 all are located casing 1 and are located between air intake 11 and the air outlet 12, and when a plurality of fans 3 worked, a plurality of fans 3 can drive the air current and enter into casing 1 from air intake 11 and carry out the heat transfer with indoor heat exchanger subassembly 2, and the air current after the heat transfer is then discharged from air outlet 12.
The indoor heat exchanger assembly 2 includes a plurality of heat exchanging portions 21, and the plurality of heat exchanging portions 21 and the plurality of fans 3 are in one-to-one correspondence, and thus, in the heat exchanging portions 21 and the fans 3 in one-to-one correspondence, the air flow driven by the fans 3 can completely or mostly exchange heat with the heat exchanging portions 21 corresponding to the fans 3.
A control module may be located within the housing 1, and the control module may be used to control the operation or non-operation of the plurality of fans 3. Thereby, the flow rate of the air flow is advantageously adjusted.
In some embodiments of the present invention, the indoor heat exchanger assembly 2 may be a heat exchanger, and the plurality of heat exchanging parts 21 are different parts of the heat exchanger. Therefore, the structure is simple and the cost is low. Of course, the present invention is not limited thereto, and in other examples, the indoor heat exchanger assembly 2 may further include a plurality of heat exchangers, each of which defines one heat exchange portion 21, thereby advantageously improving the heat exchange effect.
According to some embodiments of the present invention, one of the air inlet 11 and the air outlet 12 is an indoor ventilation opening, the housing 1 has a plurality of indoor ventilation openings, and the plurality of indoor ventilation openings correspond to the plurality of fans 3 one-to-one, so that, in the one-to-one corresponding indoor ventilation openings, the fans 3 and the heat exchanging portion 21, the airflow driven by the fans 3 can completely or mostly flow through the corresponding indoor ventilation openings, and simultaneously, the airflow driven by the fans 3 completely or mostly exchanges heat with the heat exchanging portion 21 corresponding thereto.
For example, as shown in fig. 1, the indoor ventilation opening is an air outlet, the number of the air outlets 12 is two, the number of the fans 3 is two, the indoor heat exchanger assembly 2 includes two heat exchanging portions 21, the two air outlets 12, the two heat exchanging portions 21 and the two fans 3 are in one-to-one correspondence, in the one-to-one correspondence air outlet 12, the heat exchanging portion 21 and the fan 3, the air flow driven by the fan 3 exchanges heat with the heat exchanging portion 21 corresponding thereto completely or mostly, and the air flow after heat exchange is discharged from the air outlet 12 corresponding to the heat exchanging portion 21 completely or mostly.
Specifically, the indoor portion 10 includes a wind guide member for opening or closing an indoor vent, and the control module is configured to control movement of the wind guide member.
For example, the air guiding component is an opening and closing door, the opening and closing door is movably arranged on the shell 1 to open or close the indoor ventilation openings, the control module can control the opening and closing door to enable all the indoor ventilation openings to be opened, and can also control the opening and closing door to enable all the indoor ventilation openings to be closed, and of course, the control module can also control the opening and closing door to enable a part of the indoor ventilation openings to be opened and enable the rest of the indoor ventilation openings to be kept in a closed state.
For another example, the air guiding component is an air guiding plate, each indoor vent is provided with a rotatable air guiding plate, so that the indoor vents can be opened or closed conveniently by the air guiding plates, and the control module can be independently connected with each air guiding plate to independently control the movement of each air guiding plate.
Specifically, as shown in fig. 1, the outdoor section 20 includes: a compressor 201, a reversing assembly 202, an outdoor heat exchanger 203 and a throttling element 204. Specifically, the compressor 201 has an exhaust port 2011 and a return air port 2012, the reversing assembly 202 has first to fourth ports 2021 to 2024, when the air conditioner 100 cools, the first port 2021 is conducted with the second port 2022, the third port 2023 is conducted with the fourth port 2024, when the air conditioner 100 heats, the first port 2021 is conducted with the third port 2023, the fourth port 2024 is conducted with the second port 2022, the first port 2021 is connected with the exhaust port 2011, the second port 2022 is connected with the first end of the outdoor heat exchanger 203, the throttle element 204 is connected in series between the second end of the outdoor heat exchanger 203 and the first end of the indoor heat exchanger, the second end of the indoor heat exchanger is connected with the third port 2023, and the fourth port 2024 is connected with the return air port 2012.
The specific structure and operation of the compressor 201, the indoor heat exchanger assembly 2, the outdoor heat exchanger 203, the throttling element 204 and the reversing assembly 202 are well known to those skilled in the art and will not be described in detail herein.
In some examples, the air conditioner 100 includes a first temperature detecting device 205 for detecting a discharge temperature of the compressor 201 and a plurality of second temperature detecting devices 4, the plurality of second temperature detecting devices 4 being in one-to-one correspondence with the plurality of heat exchanging portions 21, each of the second temperature detecting devices 4 being for detecting a temperature of a corresponding heat exchanging portion 21, for example, the second temperature detecting device 4 being for detecting a temperature of a heat exchanging pipe of each of the heat exchanging portions 21.
As shown in fig. 3, the control method of the air conditioner 100 according to the embodiment of the present invention includes the steps of:
starting a high-temperature sterilization mode;
the air conditioner 100 is controlled to perform a heating operation, and at least one of the plurality of fans 3 is controlled not to be operated and at least one is controlled to be operated. That is, after the pasteurization mode is turned on, at least one fan 3 among the plurality of fans 3 is not operated, and at least one fan 3 is operated. Specifically, for example, as shown in fig. 2, there are two fans 3, and after the high-temperature sterilization mode is turned on, one of the two fans 3 is not operated, and the other fan 3 is operated. For another example, there are three fans 3, and after the pasteurization mode is started, two fans 3 of the three fans 3 are not operated and the other fan 3 is operated, or there are three fans 3, and after the pasteurization mode is started, two fans 3 of the three fans 3 are operated and the other fan 3 is not operated. Thus, after the sterilization mode is turned on, by controlling at least one of the plurality of fans 3 to be non-operational, thus, little or no air flow passes through the heat exchange portion 21 corresponding to the inoperative fan 3, so that the heat exchange efficiency of the heat exchange portion 21 is low, the heat exchanging part 21 has a higher temperature, thereby contributing to securing the sterilizing effect, while at the same time by controlling at least one of the plurality of fans 3 to be operated, the fan 3 thus operated can drive the air flow to a greater extent or completely to the heat exchange portion 21 corresponding to the fan 3 thus operated, therefore, the heat exchange efficiency of the heat exchange part 21 corresponding to the working fan 3 is high, the temperature of the heat exchange part 21 corresponding to the working fan 3 is low, the increase of system pressure is avoided, the air conditioner 100 is prevented from generating high temperature and high pressure, and the running reliability of the air conditioner 100 is improved.
According to the control method of the air conditioner 100 of the embodiment of the present invention, after the sterilization mode is turned on, by controlling at least one of the plurality of fans 3 to be inactive, so that little or no airflow flows through the heat exchanging part 21 corresponding to the inactive fan 3, the heat exchanging efficiency of the heat exchanging part 21 is low, and the temperature of the heat exchanging part 21 is high, thereby facilitating to ensure the sterilization effect, and at the same time, by controlling at least one of the plurality of fans 3 to be active, the fan 3 that is active in this way can drive the airflow to flow to the heat exchanging part 21 corresponding to the active fan 3 to a greater extent or completely, so that the heat exchanging efficiency of the heat exchanging part 21 corresponding to the active fan 3 is high, so the temperature of the heat exchanging part 21 corresponding to the active fan 3 is low, thereby avoiding the increase of the system pressure, and avoiding the air conditioner 100 generating high temperature and high pressure, the reliability of the operation of the air conditioner 100 is improved.
In some embodiments of the present invention, the housing 1 has a plurality of indoor vents, and the plurality of indoor vents and the plurality of fans 3 correspond one to one. As shown in fig. 3, while at least one of the fans 3 is controlled to be not operated and at least one of the fans is controlled to be operated, the indoor vents corresponding to the fans 3 that are not operated are controlled to be closed, and the indoor vents corresponding to the fans 3 that are operated are controlled to be opened. Specifically, the air guide part is arranged at the indoor vent, and the indoor vent corresponding to the fan 3 which does not work is closed and the indoor vent corresponding to the fan 3 which works is opened by controlling the movement of the air guide part. Therefore, after the sterilization mode is started, little or no airflow flows through the heat exchange part 21 corresponding to the fan 3 which does not work, so that the heat exchange efficiency of the heat exchange part 21 is low, the temperature of the heat exchange part 21 is higher, thereby being beneficial to ensuring the sterilization effect, meanwhile, the fan 3 which works can drive the airflow to enter the shell 1 from the corresponding indoor ventilation opening and flow to the heat exchange part 21 corresponding to the fan 3 which works to a greater extent or completely, so that the heat exchange efficiency of the heat exchange part 21 corresponding to the fan 3 which works is higher, the temperature of the heat exchange part 21 corresponding to the fan 3 which works is lower, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
According to some embodiments of the present invention, throughout the air conditioner 100 in the high-temperature sterilization mode, the discharge temperature Tp of the compressor 201 and the heat exchange temperature Th of the heat exchange part 21 corresponding to the operating fan 3 are detected in real time, and if the discharge temperature Tp of the compressor 201 is equal to or greater than the first preset shut down protection temperature T1 or the heat exchange temperature Th of the heat exchange part 21 corresponding to the operating fan 3 is equal to or greater than the second preset shut down protection temperature T2, the compressor 201 is controlled to be shut down. It can be understood here that, when there are a plurality of operating fans 3, there are a plurality of heat exchange portions 21 corresponding to the operating fans 3, each heat exchange portion 21 corresponding to the operating fan 3 has a heat exchange temperature Th, and the shutdown of the compressor 201 is controlled if only one of the heat exchange temperatures Th is greater than or equal to the second preset shutdown protection temperature T2. Therefore, the high-temperature sterilization effect can be ensured, the normal operation of the air conditioner 100 can be ensured without damage, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
According to some specific examples of the present invention, the compressor 201 is controlled to be down-converted if the discharge temperature Tp of the compressor 201 is equal to or greater than the first preset down-conversion temperature T11 or the heat exchange temperature Th of the heat exchange portion 21 is equal to or greater than the second preset down-conversion temperature T22, wherein T11 is less than T1 and T22 is less than T2, that is, the compressor 201 is controlled to be down-converted if the discharge temperature Tp of the compressor 201 is equal to or greater than the first preset down-conversion temperature T11 and less than T1 or the heat exchange temperature Th of the heat exchange portion 21 corresponding to the operating fan 3 is equal to or greater than the second preset down-conversion temperature T22 and less than T2. Therefore, the high-temperature sterilization effect can be ensured, the normal operation of the air conditioner 100 can be ensured without damage, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
In some examples of the present invention, the difference between T1 and T11 is: 1 ℃ to 3 ℃, e.g., 2 ℃ difference between T1 and T11. Therefore, the normal operation of the air conditioner 100 is ensured without damage, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
In some examples of the present invention, the difference between T2 and T22 is: 1-3 ℃. For example, the difference between T2 and T22 is 2 ℃. Therefore, the normal operation of the air conditioner 100 is ensured without damage, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
According to some embodiments of the present invention, the first predetermined down-conversion temperature T11 has a value range of: 103-112 ℃. Specifically, the value range of T11 is 108-112 ℃. For example, T11 takes the values 109 ℃ and 110 ℃. Therefore, the normal operation of the air conditioner 100 is ensured without damage, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
According to some embodiments of the present invention, the second predetermined down-conversion temperature T22 has a value range of: 53 ℃ to 63 ℃. Specifically, the value range of T22 is 56-62 ℃. For example, T22 takes on values of 58 ℃ and 59 ℃. Therefore, the normal operation of the air conditioner 100 is ensured without damage, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
In some embodiments of the present invention, the outdoor environment temperature T0 is obtained when the high temperature sterilization mode is entered, and the operation frequency of the compressor 201 is initialized according to the outdoor environment temperature T0, and the initial operation frequency F0 of the compressor 201 is in negative correlation with the outdoor environment temperature, so that the lower the outdoor environment temperature is, the higher the operation frequency of the compressor 201 is, which is not only beneficial to ensuring the sterilization effect, but also beneficial to ensuring that the air conditioner 100 is not damaged during normal operation, avoiding the air conditioner 100 from generating high temperature and high pressure, and improving the operation reliability of the air conditioner 100.
In some embodiments of the present invention, if the outdoor ambient temperature is not lower than 28 ℃, the value range of the initial operating frequency F0 of the compressor 201 is 25 to 35 Hz; if the outdoor environment temperature is not lower than 22 ℃ and lower than 28 ℃, the value range of the initial operation frequency F0 of the compressor 201 is 35-45 Hz; if the outdoor environment temperature is not lower than 15 ℃ and lower than 22 ℃, the value range of the initial operating frequency F0 of the compressor 201 is 50-60 Hz; if the outdoor ambient temperature is not lower than 6 ℃ and lower than 15 ℃, the initial operating frequency F0 of the compressor 201 has a value range of: 65-75 Hz; if the outdoor environment temperature is lower than 6 ℃, the operation frequency of the compressor 201 is 80-90 Hz.
Specifically, for example, the number of the indoor vents is two, and the number of the fans 3 is two, and the inventors found in practical studies that, when the outdoor ambient temperature is 28 to 33 ℃, the initial operating frequency F0 of the compressor 201 is 30Hz, the temperature of the heat exchange portion 21 corresponding to the fan 3 which is not in operation is 58 ℃, the temperature of the heat exchange portion 21 corresponding to the fan 3 which is in operation is 52 ℃, and the exhaust temperature of the compressor 201 is 92 ℃; when the outdoor environment temperature is 22-28 ℃, the initial operation frequency of the compressor 201 is 40Hz, in the sterilization mode, the temperature of the heat exchange part 21 corresponding to the fan 3 which does not work is 58 ℃, the temperature of the heat exchange part 21 corresponding to the fan 3 which works is 53 ℃, and the exhaust temperature of the compressor 201 is 94 ℃; when the outdoor environment temperature is 15-22 ℃, the initial operation frequency F0 of the compressor 201 is 55Hz, the temperature of the heat exchange part 21 corresponding to the fan 3 which does not work is 58 ℃, the temperature of the heat exchange part 21 corresponding to the fan 3 which works is 53 ℃ and the exhaust temperature of the compressor 201 is 96 ℃ in the sterilization mode; when the outdoor environment temperature is 6-15 ℃, the initial operation frequency F0 of the compressor 201 is 70Hz, the temperature of the heat exchange part 21 corresponding to the fan 3 which does not work is 58 ℃, the temperature of the heat exchange part 21 corresponding to the fan 3 which works is 54 ℃ and the exhaust temperature of the compressor 201 is 98 ℃ in the sterilization mode; when the outdoor environment temperature is-2 ℃ to 6 ℃, the initial operation frequency of the compressor 201 is 85H, in the sterilization mode, the temperature of the heat exchange part 21 corresponding to the fan 3 which does not work is 58 ℃, the temperature of the heat exchange part 21 corresponding to the fan 3 which works is 54 ℃, and the exhaust temperature of the compressor 201 is 100 ℃. Therefore, the sterilization effect is favorably ensured, the normal operation of the air conditioner 100 is favorably ensured not to be damaged, the air conditioner 100 is prevented from generating high temperature and high pressure, and the operation reliability of the air conditioner 100 is improved.
In some embodiments of the present invention, while controlling at least one of the plurality of fans 3 to be inactive and at least one of the plurality of fans to be active, a timer is started, and after a preset time is reached, the at least one inactive fan 3 is controlled to be active and the at least one active fan 3 is controlled to be inactive, that is, after the preset time is reached, the previously active fan 3 is stopped and the previously inactive fan 3 starts to be active, and accordingly, the indoor vent corresponding to the inactive fan 3 is controlled to be closed and the indoor vent corresponding to the active fan 3 is controlled to be opened. Therefore, the reliability of the work of the fan 3 is guaranteed.
According to the air conditioner 1000 of the embodiment of the present invention, by operating with the above-mentioned control method, after the sterilization mode is turned on, by controlling at least one of the plurality of fans 3 to be inactive, so that little or no airflow flows through the heat exchanging part 21 corresponding to the inactive fan 3, the heat exchanging efficiency of the heat exchanging part 21 is low, and the temperature of the heat exchanging part 21 is high, thereby being advantageous to ensure the sterilization effect, and at the same time, by controlling at least one of the plurality of fans 3 to be active, the active fan 3 can drive the airflow to flow to the heat exchanging part 21 corresponding to the active fan 3 to a large extent or completely, so that the heat exchanging efficiency of the heat exchanging part 21 corresponding to the active fan 3 is high, so that the temperature of the heat exchanging part 21 corresponding to the active fan 3 is low, thereby avoiding the increase of the system pressure, and avoiding the air conditioner 100 from generating high temperature and high pressure, the reliability of the operation of the air conditioner 100 is improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention. In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A control method of an air conditioner comprises an indoor part, wherein the indoor part comprises a shell, an indoor heat exchanger assembly and a plurality of fans, the indoor heat exchanger assembly and the fans are arranged in the shell, the indoor heat exchanger assembly comprises a plurality of heat exchange parts, and the heat exchange parts correspond to the fans one by one; it is characterized in that the preparation method is characterized in that,
the control method comprises the following steps:
starting a high-temperature sterilization mode;
and controlling the heating operation of the air conditioner, controlling at least one of the fans to be out of work and at least one of the fans to work, enabling little or no airflow to flow through the heat exchange part corresponding to the fan which is not in work, and enabling the fan which is in work to drive the airflow to flow to the heat exchange part corresponding to the fan which is in work to a greater extent or completely.
2. The method of controlling an air conditioner according to claim 1, wherein the housing has a plurality of indoor vents, the plurality of indoor vents are in one-to-one correspondence with the plurality of fans, and the indoor vents corresponding to the fans that are not operated are controlled to be closed and the indoor vents corresponding to the fans that are operated are controlled to be opened while at least one of the plurality of fans is controlled to be not operated and at least one of the fans is controlled to be operated.
3. The control method of an air conditioner according to claim 1 or 2, wherein throughout the air conditioner in the high temperature sterilization mode, a discharge temperature Tp of a compressor and a heat exchange temperature Th of a heat exchange portion corresponding to an operating fan are detected in real time;
and if the discharge temperature Tp of the compressor is greater than or equal to a first preset shutdown protection temperature T1 or the temperature Th of the heat exchange part is greater than or equal to a second preset shutdown protection temperature T2, controlling the compressor to shutdown.
4. The control method of an air conditioner according to claim 3, wherein the compressor is controlled to be down-converted if a discharge temperature Tp of the compressor is equal to or higher than a first preset down-conversion temperature T11 or a heat exchange temperature Th of the heat exchange portion is equal to or higher than a second preset down-conversion temperature T22, wherein the T11 is less than T1 and the T22 is less than T2.
5. The control method of an air conditioner according to claim 4,
the value range of the difference between the T1 and the T11 is as follows: 1-3 ℃; and/or the presence of a gas in the gas,
the value range of the difference between the T2 and the T22 is as follows: 1 to 3 ℃.
6. The control method of an air conditioner according to claim 4,
the value range of the first preset down-conversion temperature T11 is as follows: 103-112 ℃; and/or the presence of a gas in the gas,
the value range of the second preset down-conversion temperature T22 is as follows: 53-63 ℃.
7. The control method of an air conditioner according to claim 1, wherein an outdoor ambient temperature T0 is obtained when entering the high temperature sterilization mode, and an operation frequency of a compressor is initialized according to the outdoor ambient temperature T0, and an initial operation frequency F0 of the compressor is inversely related to the outdoor ambient temperature.
8. The control method of an air conditioner according to claim 7,
if the outdoor environment temperature is not lower than 28 ℃, the value range of the initial operation frequency F0 of the compressor is 25-35 Hz;
if the outdoor environment temperature is not lower than 22 ℃ and lower than 28 ℃, the value range of the initial operation frequency F0 of the compressor is 35-45 Hz;
if the outdoor environment temperature is not lower than 15 ℃ and lower than 22 ℃, the value range of the initial operation frequency F0 of the compressor is 50-60 Hz;
if the outdoor environment temperature is not lower than 6 ℃ and lower than 15 ℃, the value range of the initial operating frequency F0 of the compressor is as follows: 65-75 Hz;
and if the outdoor environment temperature is lower than 6 ℃, the running frequency of the compressor is 80-90 Hz.
9. An air conditioner, comprising:
the indoor part comprises a shell, an indoor heat exchanger assembly and a plurality of fans, wherein the indoor heat exchanger assembly and the fans are both positioned in the shell, the indoor heat exchanger assembly comprises a plurality of heat exchange parts, and the heat exchange parts correspond to the fans one by one;
a control module for controlling the fan to work or not to work, wherein the air conditioner works by adopting the control method of any one of claims 1 to 8.
10. The air conditioner according to claim 9, wherein the indoor heat exchanger assembly is a heat exchanger.
11. The air conditioner as claimed in claim 9, wherein the housing has a plurality of indoor vents, the indoor portion includes a wind guide member for opening or closing the indoor vents, and the control module controls the wind guide member to move.
12. The air conditioner of claim 11, wherein the indoor vent is an air outlet.
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| CN114061037B (en) * | 2020-08-03 | 2023-04-07 | 广东美的制冷设备有限公司 | High-temperature sterilization method for air conditioner, air conditioner and readable storage medium |
| CN113669868A (en) * | 2021-08-30 | 2021-11-19 | 海信（广东）空调有限公司 | Air conditioner and control method thereof |
| CN113983640A (en) * | 2021-11-09 | 2022-01-28 | 海信（广东）空调有限公司 | Control method of air conditioner and air conditioner with same |
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| JPH10205791A (en) * | 1997-01-20 | 1998-08-04 | Kiyomasa Akazawa | Attachment device of air conditioner |
| KR101827293B1 (en) * | 2011-12-20 | 2018-02-08 | 엘지전자 주식회사 | An air conditioner |
| CN105509149A (en) * | 2015-12-23 | 2016-04-20 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and control method thereof |
| CN108895544A (en) * | 2018-06-01 | 2018-11-27 | 珠海格力电器股份有限公司 | The sterilization control method of air conditioner indoor unit, air-conditioning system and air conditioner indoor unit |
| CN109297101B (en) * | 2018-08-21 | 2019-11-19 | 珠海格力电器股份有限公司 | Air conditioner method for disinfection, system and air conditioner |
| CN109210631A (en) * | 2018-08-21 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of air conditioner indoor unit with sterilizing function, control method and air conditioner |
| CN109882986A (en) * | 2018-12-27 | 2019-06-14 | 珠海格力电器股份有限公司 | Control method, device and the movable air conditioner of movable air conditioner |
| CN110017543A (en) * | 2019-04-17 | 2019-07-16 | 广东美的制冷设备有限公司 | Air conditioner, cleaning control method and computer readable storage medium |
| CN110017542A (en) * | 2019-04-17 | 2019-07-16 | 广东美的制冷设备有限公司 | Air conditioner, anti-freeze control method and computer readable storage medium |
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