CN110594951A - Control method and control device for air conditioner drainage pump and air conditioner - Google Patents
Control method and control device for air conditioner drainage pump and air conditioner Download PDFInfo
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- CN110594951A CN110594951A CN201911103643.8A CN201911103643A CN110594951A CN 110594951 A CN110594951 A CN 110594951A CN 201911103643 A CN201911103643 A CN 201911103643A CN 110594951 A CN110594951 A CN 110594951A
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- air conditioner
- drainage pump
- operation mode
- controlling
- compressor
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method and a control device of an air conditioner drainage pump and an air conditioner, and relates to the technical field of air conditioners. The control method of the drainage pump of the air conditioner comprises the steps of acquiring the operation mode of the air conditioner when the air conditioner is started, judging whether the operation mode of the air conditioner when the air conditioner is stopped at the last time is a refrigeration or dehumidification mode, and controlling the drainage pump not to be started and the compressor to operate if the operation mode of the air conditioner is not the refrigeration or dehumidification mode; if the system is in the refrigeration or dehumidification mode, the drainage pump is controlled to operate for t1 time period and then is closed, and then the compressor is controlled to operate. According to the control method and the control device of the air conditioner drainage pump and the air conditioner, the operation mode of the air conditioner during the last shutdown is judged and the drainage pump is controlled to be opened or not when the air conditioner is started, so that the problems of noise, electricity consumption and the like caused by the fact that the drainage pump is opened for a period of time to drain accumulated water whether the accumulated water exists in the water receiving tray or not in the prior art are effectively solved, and meanwhile, the service life of the drainage pump can be effectively prolonged.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and a control device of an air conditioner drainage pump and an air conditioner.
Background
With the development of air conditioning technology, air conditioning drainage pump technology is gradually updated.
No matter what kind of operation mode when the air conditioner was shut down last time, the drain pump when current operation all can be closed after a period of time to the residual ponding in the drainage defrosting pan of discharging. However, when the last operation mode is a non-refrigeration non-dehumidification mode such as heating, the drainage pump is also closed after being operated for a period of time, accumulated water does not exist in the water receiving tray, and the operation of the drainage pump not only causes noise, but also influences the service life of the drainage pump.
It can be seen that the control method of the existing air conditioner drainage pump needs to be further improved.
Disclosure of Invention
The invention solves the problems that the existing drainage pump control method is easy to cause noise and influence the service life.
The invention provides a control method of an air conditioner drainage pump, which aims to solve the problems and comprises the steps of acquiring the operation mode of the air conditioner when the air conditioner is started, judging whether the operation mode of the air conditioner when the air conditioner is stopped at the last time is a refrigeration or dehumidification mode, and controlling the drainage pump not to be started and the compressor to operate if the operation mode of the air conditioner is not the refrigeration or dehumidification mode; and if the air conditioner is in the refrigeration or dehumidification mode, controlling the drainage pump to operate for t1, then closing the drainage pump, and controlling the compressor to operate.
The control method of the air conditioner drainage pump provided by the invention has the advantages that the operation mode of the air conditioner during the last shutdown is judged and the drainage pump is controlled to be opened or not when the air conditioner is started, so that the problems of noise, electricity consumption and the like caused by the fact that the drainage pump is opened for a period of time to drain accumulated water whether the water collecting tray contains accumulated water or not in the prior art are effectively solved, and meanwhile, the service life of the drainage pump can be effectively prolonged.
When the air conditioner operates, detecting the current operation mode of the air conditioner, judging whether the current operation mode of the air conditioner is a refrigeration or dehumidification mode, if not, controlling the drainage pump not to be started, controlling the compressor to operate, if the current operation mode of the air conditioner is the refrigeration or dehumidification mode, detecting the water level height H of the water pan, and controlling the drainage pump and the compressor to operate according to the water level height H.
According to the control method of the air conditioner drainage pump, the running mode is detected when the air conditioner runs, so that accumulated water of the water receiving disc cannot overflow.
When the air conditioner is shut down, detecting an operation mode when the air conditioner is shut down, judging whether the operation mode when the air conditioner is shut down is a refrigeration or dehumidification mode, if not, controlling the drainage pump and the compressor to be simultaneously closed, if the operation mode is the refrigeration or dehumidification mode, controlling the compressor to be closed, and if the operation mode is the refrigeration or dehumidification mode, the drainage pump is closed after the operation time is t 2; and after the drainage pump is closed, the air conditioner is shut down.
According to the control method of the air conditioner drainage pump, the running mode is detected when the air conditioner is closed, so that residual accumulated water in the water pan is reduced to the greatest extent, and the phenomenon that microorganisms breeding in the residual accumulated water deteriorate to influence human health is prevented.
Optionally, the obtaining of the operation mode of the air conditioner when the air conditioner is turned off last time includes: reading the stored information in the memory unit, and determining the operation mode of the air conditioner when the air conditioner is shut down last time according to the stored information; the memory unit records the running mode of the air conditioner when the air conditioner is shut down every time.
According to the control method of the air conditioner drainage pump, the memory unit is arranged to record the running mode when the air conditioner is turned off, and the stored information in the memory unit is detected when the air conditioner is turned on, so that the problems that whether accumulated water exists in the water receiving tray or not, the drainage pump is started for a period of time to drain the accumulated water, noise, electricity and the like are effectively solved, and meanwhile the service life of the drainage pump can be effectively prolonged.
Optionally, the controlling the drain pump to operate for time t1 includes controlling the drain pump to operate in an acceleration mode, wherein the t1 is in the range of 40 ~ 80 s.
According to the control method of the air conditioner drainage pump, the drainage pump runs in the acceleration mode when the air conditioner is started, so that the problems of noise and electricity consumption caused by overlong running time of the drainage pump in the prior art are effectively solved.
Optionally, the controlling the operation of the drain pump and the compressor according to the size of the water level height H includes: when the water level height H is smaller than a water pump opening height L1, controlling the drainage pump not to be opened and controlling the compressor to operate; when the water level height H is greater than or equal to the water pump opening height L1 and less than the overflow protection height L2, controlling the drainage pump to be opened and controlling the compressor to operate; and when the water level height H is greater than or equal to the overflow protection height L2, performing overflow protection, controlling the drainage pump to be started, and controlling the compressor to be stopped.
According to the control method of the air conditioner drainage pump, the opening height of the water pump and the overflow protection height are set, so that accumulated water of the water receiving tray can be effectively prevented from overflowing.
Alternatively, when the water level height H is greater than or equal to the water pump opening height L1 and less than the overflow protection height L2, if a drainage fault occurs, the compressor is allowed to continue to operate.
According to the control method of the air conditioner drainage pump, when the water level height H is larger than or equal to the water pump opening height L1 and smaller than the overflow protection height L2, if a drainage fault occurs, the compressor is allowed to continue to operate, so that the influence of the compressor closing under the drainage fault on the normal operation of an air conditioner can be prevented, and the use experience of a user is effectively guaranteed.
Optionally, the ratio of the water pump opening height L1 to the total height L3 of the water receiving tray is smaller than a, wherein a is within the range of 0.1 ~ 0.2.2, and the ratio of the overflow protection height L2 to the total height L3 of the water receiving tray is smaller than b, and wherein b is within the range of 0.8 ~ 0.85.85.
According to the control method of the air conditioner drainage pump, the reasonable positions of the water pump opening height L1 and the overflow protection height L2 are set, so that the drainage pump can be started in time, and the overflow protection can be performed in time when accumulated water in the water receiving tray cannot be drained in time.
The present invention also provides a control apparatus of an air conditioner drain pump, comprising: the detection unit is used for detecting the current operation mode of the air conditioner and the operation mode when the air conditioner is turned off; the memory unit is used for recording the running mode of the air conditioner when the air conditioner is shut down every time; the judging unit is used for judging whether the current operation mode of the air conditioner is a refrigeration or dehumidification mode or not and judging whether the operation mode when the air conditioner is shut down last time is the refrigeration or dehumidification mode or not; the judging unit is also used for judging the water level height H, the water pump opening height L1 and the overflow protection height L2; and the control unit is used for controlling the operation of the drainage pump and the compressor according to the judgment result.
Compared with the prior art, the control device and the control method of the air conditioner drainage pump have the same advantages, and are not repeated herein.
The invention also 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 when executed, implements the method of any one of the above.
Compared with the prior art, the advantages of the air conditioner and the control method of the air conditioner drainage pump are the same, and are not repeated herein.
The present invention also provides a computer-readable storage medium storing a computer program, which when read and executed by a processor, implements the control method of any one of the above.
The computer readable storage medium has the same advantages as the control method of the air conditioner drainage pump compared with the prior art, and is not described again here.
Drawings
FIG. 1 is a flow chart of a method for controlling a drain pump of an air conditioner according to the present invention;
FIG. 2 is a flow chart of determining water level according to the present invention;
FIG. 3 is a schematic diagram of the water level of the drip tray according to the present invention;
fig. 4 is a schematic diagram of a control device of an air conditioner drain pump according to the present invention.
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.
As shown in fig. 1, the present invention provides a method for controlling a drainage pump of an air conditioner, including obtaining an operation mode of the air conditioner when the air conditioner is turned on, determining whether the operation mode of the air conditioner when the air conditioner is turned off last time is a refrigeration or dehumidification mode, if not, controlling the drainage pump not to be turned on, controlling the compressor to operate, if yes, controlling the drainage pump to operate for t1 time, then turning off, and then controlling the compressor to operate; when the air conditioner operates, detecting the current operation mode of the air conditioner, judging whether the current operation mode of the air conditioner is a refrigeration or dehumidification mode, if not, controlling the drainage pump not to be started, controlling the compressor to operate, if the current operation mode of the air conditioner is the refrigeration or dehumidification mode, detecting the water level height H of the water pan, and controlling the drainage pump and the compressor to operate according to the water level height H; when the air conditioner is shut down, detecting an operation mode when the air conditioner is shut down, judging whether the operation mode when the air conditioner is shut down is a refrigeration or dehumidification mode, if not, controlling the drainage pump and the compressor to be simultaneously closed, if the operation mode is the refrigeration or dehumidification mode, controlling the compressor to be closed, and if the operation mode is the refrigeration or dehumidification mode, the drainage pump is closed after the operation time is t 2; and after the drainage pump is closed, the air conditioner is shut down.
Specifically, when the air conditioner is started, firstly, the operation mode of the air conditioner during the last shutdown is obtained, whether residual accumulated water exists in the water receiving tray or not is judged according to the operation mode of the air conditioner during the last shutdown, if the operation mode of the air conditioner during the last shutdown is a refrigeration or dehumidification mode, a small amount of accumulated water still exists in the water receiving tray can be judged, the drainage pump is controlled to operate for a long time at t1 so as to drain the accumulated water in the water receiving tray, if the operation mode of the air conditioner during the last shutdown is not the refrigeration or dehumidification mode, the drainage pump is not started, only the compressor is controlled to operate, and by means of the arrangement, the problems that whether accumulated water exists in the water receiving tray or not, the drainage pump is started for a period of time so as to drain the accumulated water, noise, electricity consumption and the like can be solved, and meanwhile.
When the air conditioner operates, the current operation mode of the air conditioner is detected, if the current operation mode of the air conditioner is not a refrigeration or dehumidification mode, accumulated water is not accumulated in the water pan, a drainage pump does not need to be opened, if the current operation mode of the air conditioner is the refrigeration or dehumidification mode, accumulated water is accumulated in the water pan, the height H of the water level in the water pan needs to be detected, whether the drainage pump is opened or not is judged according to the height H of the water level, and whether the compressor works or not is judged, so that the accumulated water of the water pan cannot overflow.
Meanwhile, when the air conditioner is shut down in a refrigeration or dehumidification mode, the drainage pump and the compressor are simultaneously closed, and accumulated water in the water pan is easily left, so in the embodiment, when the air conditioner is shut down, the current air conditioner operation mode is detected, if the current operation mode is not the refrigeration or dehumidification mode, accumulated water is not accumulated in the water pan, the drainage pump is not required to be started, if the current operation mode is the refrigeration or dehumidification mode, accumulated water can be accumulated in the water pan, the compressor is controlled to be closed, the drainage pump is closed after the drainage pump continues to operate for a long time of t2, so that the accumulated water remained in the water pan is reduced to the greatest extent, and the phenomenon that the accumulated water is bred by microorganisms to deteriorate and.
According to the control method of the air conditioner drainage pump, whether the operation mode of the air conditioner is shut down last time when the air conditioner is started up is judged and whether the drainage pump is started or not is controlled, so that the problems of noise, electricity consumption and the like caused by that the drainage pump is started for a period of time to drain accumulated water whether the water collecting tray has accumulated water or not in the prior art are effectively solved, and meanwhile, the service life of the drainage pump can be effectively prolonged; the running mode is detected when the air conditioner runs, so that accumulated water of the water receiving tray cannot overflow; through detecting the operation mode when the air conditioner is closed, remaining ponding in the at utmost has reduced the water collector, prevents to remain ponding and breeds the rotten influence health of microorganism.
Optionally, the obtaining of the operation mode of the air conditioner when the air conditioner is turned off last time includes: reading the stored information in the memory unit, and determining the operation mode of the air conditioner when the air conditioner is shut down last time according to the stored information; the memory unit records the running mode of the air conditioner when the air conditioner is shut down every time.
Specifically, when the air conditioner is started, the operation mode of the air conditioner during the last shutdown is detected, the stored information in the memory unit is read, the operation mode of the air conditioner during the last shutdown is determined according to the stored information, whether the drainage pump needs to be started to drain accumulated water or not is determined, accordingly, the operation mode of the air conditioner during the current shutdown is recorded during each shutdown of the air conditioner, the information with the operation mode during the current shutdown is stored in the memory unit, and a basis is reserved for mode detection and judgment of the air conditioner during the next startup of the air conditioner. In this embodiment, the memory cell is implemented as follows: when the air conditioner is shut down, if the current operation mode is a refrigeration or dehumidification mode, the memory unit stores a number '1', if the current operation mode is not the refrigeration or dehumidification mode, the memory unit stores a number '0', when the air conditioner is started next time, the number stored in the memory unit is read, if the number is '1', the operation mode is judged to be the refrigeration or dehumidification mode, the drainage pump is controlled to be closed after the operation time t1, the compressor is controlled to operate, if the number is '0', the operation mode is not the refrigeration or dehumidification mode, the drainage pump is controlled not to be opened, and the compressor is controlled to operate.
According to the control method of the air conditioner drainage pump, the memory unit is arranged to record the running mode when the air conditioner is turned off, and the stored information in the memory unit is detected when the air conditioner is turned on, so that the problems that whether accumulated water exists in the water receiving tray or not, the drainage pump is started for a period of time to drain the accumulated water, noise, electricity and the like are effectively solved, and meanwhile the service life of the drainage pump can be effectively prolonged.
Optionally, the controlling the drain pump to operate for time t1 includes controlling the drain pump to operate in an acceleration mode, wherein the t1 is in the range of 40 ~ 80 s.
Specifically, the operation mode of the air conditioner during the last shutdown of the air conditioner is detected when the air conditioner is started, if the operation mode is a refrigeration or dehumidification mode, the drainage pump is controlled to be shut down after the operation time t1, and the compressor is controlled to operate, wherein the drainage pump adopts an acceleration mode for drainage during the operation time, the continuous operation time t1 is generally within the range of 40 ~ 80s, preferably 60s, and compared with the prior art in which a three-minute drainage pump needs to be operated, the problems of noise and electricity consumption are effectively reduced.
According to the control method of the air conditioner drainage pump, the drainage pump runs in the acceleration mode when the air conditioner is started, so that the problems of noise and electricity consumption caused by overlong running time of the drainage pump in the prior art are effectively solved.
Optionally, the controlling the operation of the drain pump and the compressor according to the size of the water level height H includes: when the water level height H is smaller than a water pump opening height L1, controlling the drainage pump not to be opened and controlling the compressor to operate; when the water level height H is greater than or equal to the water pump opening height L1 and less than the overflow protection height L2, controlling the drainage pump to be opened and controlling the compressor to operate; and when the water level height H is greater than or equal to the overflow protection height L2, performing overflow protection, controlling the drainage pump to be started, and controlling the compressor to be stopped.
Specifically, as shown in fig. 2 and 3, the operation process of controlling the drain pump and the compressor according to the water level height H includes: when the water level height H is smaller than the water pump opening height L1, the accumulated water in the water pan is less at the moment, and the drainage pump does not need to be opened, so that the drainage pump is controlled not to be opened at the moment, and the compressor is controlled to operate; along with the rise of the water level, when the water level height H is greater than or equal to the water pump opening height L1 and is less than the overflow protection height L2, the accumulated water in the water receiving tray needs to be drained in time, at the moment, the drainage pump is controlled to be opened, and the compressor continues to operate; along with the rising of the water level, when the water level height H is larger than or equal to the overflow protection height L2, the accumulated water cannot be discharged in time only by starting the drainage pump, the overflow protection function needs to be started, at the moment, the drainage pump continues to operate, and the compressor is closed.
According to the control method of the air conditioner drainage pump, the opening height of the water pump and the overflow protection height are set, so that accumulated water of the water receiving tray can be effectively prevented from overflowing.
Alternatively, when the water level height H is greater than or equal to the water pump opening height L1 and less than the overflow protection height L2, if a drainage fault occurs, the compressor is allowed to continue to operate.
Specifically, as shown in fig. 2 and 3, when the water level H is greater than or equal to the water pump opening height L1 and is less than the overflow protection height L2, if a drainage fault occurs in the prior art, the compressor may stop operating, thereby affecting user experience, but the overflow protection height L2 is provided in the present invention, so that the compressor is still allowed to continue operating even under the condition of the drainage fault, and when the water level H reaches the overflow protection height L2, the compressor is turned off again, thereby preventing the influence of the compressor turning off under the drainage fault on the normal operation of the air conditioner, and effectively ensuring the user experience.
According to the control method of the air conditioner drainage pump, when the water level height H is larger than or equal to the water pump opening height L1 and smaller than the overflow protection height L2, if a drainage fault occurs, the compressor is allowed to continue to operate, so that the influence of the compressor closing under the drainage fault on the normal operation of an air conditioner can be prevented, and the use experience of a user is effectively guaranteed.
Optionally, the ratio of the water pump opening height L1 to the total height L3 of the water receiving tray is smaller than a, wherein a is within the range of 0.1 ~ 0.2.2, and the ratio of the overflow protection height L2 to the total height L3 of the water receiving tray is smaller than b, and wherein b is within the range of 0.8 ~ 0.85.85.
Specifically, in order to guarantee that the drain pump can in time open, and in time carry out the overflow protection when ponding can't in time discharge in the water collector, set up the water pump in this embodiment and open the ratio of height L1 and water collector overall height L3 and be less than a, and a is in 0.1 ~ 0.2.2 within range, and the ratio of overflow protection height L2 and water collector overall height L3 is less than b, and b is in 0.8 ~ 0.85.85 within range, thereby can guarantee that the drain pump can in time open, and in time carry out the overflow protection when ponding can't in time discharge in the water collector.
According to the control method of the air conditioner drainage pump, the reasonable positions of the water pump opening height L1 and the overflow protection height L2 are set, so that the drainage pump can be started in time, and the overflow protection can be performed in time when accumulated water in the water receiving tray cannot be drained in time.
Optionally, the t2 is in the range of 20 ~ 40 s.
Specifically, when the air conditioner was shut down, detected current air conditioner operational mode, if for refrigeration or dehumidification mode, then control the compressor is closed, drain pump operation t2 is long after close to the at utmost has reduced and has remained ponding in the water collector, prevents to remain ponding and breeds the rotten influence health of microorganism. Preferably, t2 is 30 s.
According to the control method of the air conditioner drainage pump, the t2 is set within the range of 20 ~ 40s, so that residual accumulated water in the water pan is reduced to the greatest extent, and the phenomenon that microorganisms breeding in the residual accumulated water deteriorate to affect human health is prevented.
The present invention also provides a control apparatus of an air conditioner drain pump, comprising: the detection unit is used for detecting the current operation mode of the air conditioner and the operation mode when the air conditioner is turned off; the memory unit is used for recording the running mode of the air conditioner when the air conditioner is shut down every time; the judging unit is used for judging whether the current operation mode of the air conditioner is a refrigeration or dehumidification mode or not and judging whether the operation mode when the air conditioner is shut down last time is the refrigeration or dehumidification mode or not; the judging unit is also used for judging the water level height H, the water pump opening height L1 and the overflow protection height L2; and the control unit is used for controlling the operation of the drainage pump and the compressor according to the judgment result.
Specifically, referring to fig. 4, the present invention further provides a control device for an air conditioner drainage pump, which corresponds to each step of the control method; the control device comprises a detection unit, a memory unit and a control unit, wherein the detection unit is used for detecting the operation mode of the air conditioner, including detecting the current operation mode of the air conditioner, and reading the stored information in the memory unit is also a part for detecting the operation mode of the air conditioner; the memory unit is used for recording the running mode of the air conditioner when the air conditioner is shut down; the judging unit is used for judging whether the operation mode is a refrigeration or dehumidification mode or not, and comprises the current operation mode of the air conditioner and the operation mode when the air conditioner is shut down last time; the judging unit is also used for judging the water level height H, the water pump opening height L1 and the overflow protection height L2 so as to judge the opening conditions of the drainage pump and the compressor; and the control unit is used for controlling the operation of the drainage pump and the compressor according to the judgment result, and controlling whether the drainage pump and the compressor are started or not so as to control the water accumulation amount in the water receiving tray.
Compared with the prior art, the control device and the control method of the air conditioner drainage pump have the same advantages, and are not repeated herein.
The invention also 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 when executed, implements the method of any one of the above.
Compared with the prior art, the advantages of the air conditioner and the control method of the air conditioner drainage pump are the same, and are not repeated herein.
The present invention also provides a computer-readable storage medium storing a computer program, which when read and executed by a processor, implements the control method of any one of the above.
The computer readable storage medium has the same advantages as the control method of the air conditioner drainage pump compared with the prior art, and is not described again here.
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 (11)
1. A control method of an air conditioner drainage pump is characterized by comprising the following steps:
when the air conditioner is started, acquiring the operation mode of the air conditioner when the air conditioner is shut down last time, judging whether the operation mode of the air conditioner when the air conditioner is shut down last time is a refrigeration or dehumidification mode, and if the operation mode of the air conditioner is not the refrigeration or dehumidification mode, controlling the drainage pump not to be started and controlling the compressor to operate; if the system is in the refrigeration or dehumidification mode, the drainage pump is controlled to operate for t1 time period and then is closed, and then the compressor is controlled to operate.
2. The control method according to claim 1, characterized by further comprising:
when the air conditioner operates, detecting the current operation mode of the air conditioner, judging whether the current operation mode of the air conditioner is a refrigeration or dehumidification mode, if not, controlling the drainage pump not to be started, controlling the compressor to operate, if the current operation mode of the air conditioner is the refrigeration or dehumidification mode, detecting the water level height H of the water pan, and controlling the drainage pump and the compressor to operate according to the water level height H.
3. The control method according to claim 1, characterized by further comprising:
when the air conditioner is shut down, detecting an operation mode when the air conditioner is shut down, judging whether the operation mode when the air conditioner is shut down is a refrigeration or dehumidification mode, if not, controlling the drainage pump and the compressor to be simultaneously closed, if the operation mode is the refrigeration or dehumidification mode, controlling the compressor to be closed, and if the operation mode is the refrigeration or dehumidification mode, the drainage pump is closed after the operation time is t 2;
and after the drainage pump is closed, the air conditioner is shut down.
4. The control method according to claim 1, wherein the obtaining of the operation mode of the air conditioner at the last shutdown comprises:
reading the stored information in the memory unit, and determining the operation mode of the air conditioner when the air conditioner is shut down last time according to the stored information;
the memory unit records the running mode of the air conditioner when the air conditioner is shut down every time.
5. The control method of claim 1, wherein controlling the drain pump to operate for a time period t1 comprises:
controlling the drain pump to operate in an acceleration mode;
wherein the t1 is in the range of 40 ~ 80 s.
6. The control method according to claim 2, wherein the controlling of the operation of the drain pump and the compressor according to the level of the water level height H comprises:
when the water level height H is smaller than a water pump opening height L1, controlling the drainage pump not to be opened and controlling the compressor to operate;
when the water level height H is greater than or equal to the water pump opening height L1 and less than the overflow protection height L2, controlling the drainage pump to be opened and controlling the compressor to operate;
and when the water level height H is greater than or equal to the overflow protection height L2, performing overflow protection, controlling the drainage pump to be started, and controlling the compressor to be stopped.
7. The control method according to claim 6, wherein when the water level height H is equal to or greater than the water pump opening height L1 and less than the overflow protection height L2, if a drainage failure occurs, the compressor is allowed to continue to operate.
8. The control method of claim 6, wherein the ratio of the pump opening height L1 to the total height L3 of the drip tray is less than a, which is in the range of 0.1 ~ 0.2.2;
the ratio of the overflow protection height L2 to the total height L3 of the water-receiving tray is less than b, and the b is in the range of 0.8 ~ 0.85.85.
9. A control apparatus for a drain pump of an air conditioner, comprising:
the detection unit is used for detecting the current operation mode of the air conditioner and the operation mode when the air conditioner is turned off;
the memory unit is used for recording the running mode of the air conditioner when the air conditioner is shut down every time;
the judging unit is used for judging whether the current operation mode of the air conditioner is a refrigeration or dehumidification mode or not and judging whether the operation mode when the air conditioner is shut down last time is the refrigeration or dehumidification mode or not;
the judging unit is also used for judging the water level height H, the water pump opening height L1 and the overflow protection height L2;
and the control unit is used for controlling the operation of the drainage pump and the compressor according to the judgment result.
10. An air conditioner comprising a computer-readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the control method according to any one of claims 1 to 8.
11. A computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements the control method according to any one of claims 1 to 8.
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