CN106594983A - Cleaning control method and cleaning control device for air conditioner evaporator and air conditioner - Google Patents
Cleaning control method and cleaning control device for air conditioner evaporator and air conditioner Download PDFInfo
- Publication number
- CN106594983A CN106594983A CN201611087668.XA CN201611087668A CN106594983A CN 106594983 A CN106594983 A CN 106594983A CN 201611087668 A CN201611087668 A CN 201611087668A CN 106594983 A CN106594983 A CN 106594983A
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- Prior art keywords
- water
- vaporizer
- control
- air
- water pump
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
Abstract
The invention discloses a cleaning control method for an air conditioner evaporator. The cleaning control method comprises the steps that A, during cleaning of the evaporator, a compressor is controlled to be started and enter a refrigerating mode; a three-way valve is controlled to be switched to communicate with a water filling pipe; a water filling water pump is controlled to be started for a first preset time and stopped for a second preset time cyclically; water of the water filling water pump is introduced into the evaporator through the water filling pipe; B, after ice on the evaporator meets a preset condition, the compressor is controlled to enter a heating mode, so that the ice on the evaporator is melted to flow into a water receiving disc, and the evaporator is cleaned; and C, the three-way valve is controlled to be switched to communicate with a water draining pipe, so that water in the water receiving disc is drained out of an air conditioner. The invention further discloses a cleaning control device for the air conditioner evaporator and the air conditioner. According to the cleaning control method and the cleaning control device, through control of the three-way valve, the evaporator is cleaned and water is drained out of the air conditioner by utilizing one water filling water pump, so that cleaning of the evaporator is finished; a cleaning effect is enhanced; an indoor environment is improved; and comfort of the air conditioner is further improved.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to air-conditioner evaporator cleaning control method, device and air-conditioner.
Background technology
At present, with the continuous development of science and technology, increasing home appliance enters daily life and work
In the middle of making.By taking air-conditioner as an example, air-conditioner can be carried for indoor environment under cold or hot environment home appliance by exchanging heat
For refrigeration or heating effect, to provide comfortable indoor environment.However, with air-conditioner long action time, indoor set
Vaporizer can be dirty, causes the wind for being blown into indoor environment to carry antibacterial so that indoor air is deteriorated, air-conditioner comfort level
Difference.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
The content of the invention
Present invention is primarily targeted at providing a kind of air-conditioner evaporator cleaning control method, device and air-conditioner, purport
Solving at present can be dirty with the vaporizer of air-conditioner long action time, indoor set, causing to be blown into the wind band of indoor environment
There is antibacterial so that indoor air is deteriorated, the problem of air-conditioner comfort level difference.
For achieving the above object, a kind of air-conditioner evaporator cleaning control method that the present invention is provided, including step：
A, when vaporizer is cleaned, control compressor turns on into refrigeration mode, and control three-way valve is switched to and filler pipe
Connection；
B, control add water, and water pump is periodic to open the first Preset Time, stops the second Preset Time, the water of the water pump that adds water
Vaporizer is squeezed into by filler pipe；
C, icing on an evaporator meet it is pre-conditioned after, control compressor enter heating mode, by vaporizer
The ice-out tied flows into drip tray, cleans vaporizer；
D, control three-way valve are switched to and are connected with drain pipe, and the water in drip tray is drained into outside air-conditioner.
Preferably, after the D, also include：
E, after the water in drip tray to be drained into the time outside air-conditioner more than the 3rd Preset Time, perform step B.
Preferably, methods described also includes：
According to B, C, D and E wash cycles vaporizer；
After wash cycles number of times reaches predetermined threshold value, three-way valve communicated drainage pipe is controlled, the water emptying in drip tray, knot
Beam evaporation device is cleaned.
Preferably, the control three-way valve is switched to and connect with filler pipe, and control adds water water pump periodically unlatching the
One Preset Time, stops the second Preset Time, after the water of the water pump that adds water squeezes into vaporizer by filler pipe, also includes：
After the number of run of the water pump predetermined period that adds water reaches preset times, or after refrigerating operaton Preset Time, or
When evaporator coil temperature reaches preset temperature threshold value, judge that the icing on vaporizer meets pre-conditioned.
Preferably, the icing on an evaporator meet it is pre-conditioned after, control compressor enter heating mode, will
The ice-out tied on vaporizer flows into drip tray, and cleaning vaporizer is switched to control three-way valve and connected with drain pipe, will
Water in drip tray is drained between air-conditioner outside, is also included：
The rotating speed of the water pump that adds water is improved, control filler pipe is rinsed against vaporizer；
After the ice tied on an evaporator melts completely, recovery add water water pump rotating speed to improve before rotating speed.
Additionally, for achieving the above object, the present invention also provides a kind of air-conditioner evaporator cleaning control device, including：
Control module, for when vaporizer is cleaned, control compressor turns on into refrigeration mode, controls threeway Vavle switching
Extremely connect with filler pipe, and control water pump periodically the first Preset Time of unlatching that adds water, stop the second Preset Time, add water water
The water of pump squeezes into vaporizer by filler pipe；
The control module, the icing being additionally operable on an evaporator meet it is pre-conditioned after, control compressor enter heat
The ice-out tied on vaporizer is flowed into drip tray by pattern, cleans vaporizer；
Cleaning module, is connected with drain pipe for controlling three-way valve and switching to, the water in drip tray is drained into air-conditioner
It is outside.
Preferably, the control module, is additionally operable to the water in drip tray is being drained into the time outside air-conditioner more than
After three Preset Times, control three-way valve is switched to and connect with filler pipe, and control adds water that periodically to open first default for water pump
Time, stop the second Preset Time, the water of the water pump that adds water squeezes into vaporizer by filler pipe.
Preferably, the wash cycles vaporizer under control module and cleaning module control；
The control module, is additionally operable to after wash cycles number of times reaches predetermined threshold value, controls three-way valve communicated drainage pipe；
The cleaning module, is additionally operable to empty the water in drip tray, terminates vaporizer cleaning.
Preferably, described device also includes：
Judge module, for after the number of run of the water pump predetermined period that adds water reaches preset times, or in refrigerating operaton
After Preset Time, or when evaporator coil temperature reaches preset temperature threshold value, judge that the icing on vaporizer meets default bar
Part.
Preferably, the control module, is additionally operable to improve the rotating speed of the water pump that adds water, and control filler pipe is rushed against vaporizer
Wash；Control module is additionally operable to
After the ice tied on an evaporator melts completely, recovery add water water pump rotating speed to improve before rotating speed.
Additionally, for achieving the above object, the present invention also provides a kind of air-conditioner, including air-conditioner evaporator as above
Cleaning control device.
By the water in water tank is sprayed to vaporizer by the water pump that adds water, unlatching compressor first freezes and makes again the present invention
Heat, is frozen by freezing, the booty and water on vaporizer is coagulated together, and is reheated and is melted, by the booty band on vaporizer
Walk, and the control by three-way valve, realize that vaporizer cleaning and water drain into cutting outside air conditioner chamber using the water pump that adds water
Change, complete the cleaning to vaporizer, improve cleaning performance, improve indoor environment, and then improve air-conditioner comfort level.
Description of the drawings
Fig. 1 is the schematic flow sheet of the first embodiment of air-conditioner evaporator cleaning control method of the present invention；
Fig. 2 a are the structural representation of air-conditioner water tank and tank in one embodiment of the invention；
Fig. 2 b are the structural representation of air-conditioner in another embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the second embodiment of air-conditioner evaporator cleaning control method of the present invention；
Fig. 4 is the schematic flow sheet of the 3rd embodiment of air-conditioner evaporator cleaning control method of the present invention；
Fig. 5 is the module diagram of an embodiment of air-conditioner evaporator cleaning control device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The present invention provides a kind of air-conditioner evaporator cleaning control method.
With reference to Fig. 1, Fig. 1 is the schematic flow sheet of the first embodiment of air-conditioner evaporator cleaning control method of the present invention.
Step S10, when vaporizer is cleaned, control compressor turns on into refrigeration；
In the present embodiment, after air-conditioner unlatching, the parameter operation arranged according to acquiescence or user.Needing to steaming
When sending out device cleaning, control is into vaporizer cleaning model.The control can include into vaporizer cleaning model：1) receive and steam
Device clear instruction is sent out, vaporizer cleaning model is entered according to vaporizer clear instruction；2) total operation duration of air-conditioner is obtained,
Total operation duration reach preset duration (100 hours or 120 hours etc., according to demand and ambient As, for example, ambient dust ratio
Larger, then preset duration setting is shorter, is 80 hours or 90 hours etc., and few in ambient dust, then preset duration is arranged
It is longer, be 120 hours or 130 hours etc.) when, automatically into vaporizer cleaning model.When into vaporizer cleaning model,
Control compressor turns on into refrigeration mode, and indoor fan is run with low wind shelves or out of service.
Step S20, control three-way valve are switched to and connects with filler pipe, and the control water pump periodically unlatching first that adds water is pre-
If the time, stop the second Preset Time, the water of the water pump that adds water squeezes into vaporizer by filler pipe；
With reference to Fig. 2 a and Fig. 2 b, the air-conditioner of the embodiment of the present invention includes：Vaporizer 1, water tank 2, tank 3, add water water pump 4
With filler pipe 5, the bottom of the vaporizer 1 is provided with drip tray 11, and the water tank 2 is connected with the tank 3, the drip tray
11 are provided with outlet 12 near one end of tank 3, and the water outlet 12 is connected with outlet pipe 13, and the outlet pipe 13 connects described
Drip tray 11 and the tank 3, the water pump 4 that adds water are arranged in the tank 3, the filler pipe 5 and the water pump 4 that adds water
Between connected by three-way valve 14, the three-way valve 14 is also associated with drain pipe 15, during practice, by three-way valve
14 control, the control connection filler pipe 5 of three-way valve 14, it is also possible to by the control to three-way valve 14, control three-way valve 14 and connect
Drain pipe 15.By the switching of three-way valve 14, realization adds water the connection filler pipe 5 of water pump 4 to 1 water filling of vaporizer, and switches to
Add water 4 communicated drainage pipe 15 of water pump, and water is discharged outside air-conditioner.
Refrigeration mode is turned on in control compressor, the coil temperature of vaporizer 1 is constantly reduced, opened in control compressor
While opening into refrigeration mode, the control water pump 4 that adds water is opened, and control three-way valve 14 is switched to and connected with filler pipe 5, and add water water
Water in tank 3 is squeezed into vaporizer 1 by filler pipe 5 by pump 4.
Preferably, the filler pipe 5 is provided with shower nozzle against one end of vaporizer 1, by shower nozzle spray water to vaporizer
1, the contact area of water and vaporizer 1 is improved, by spraying into the cleaning dynamics increased to vaporizer 1.It is understood that described
Filler pipe 5 can also be against the middle part or middle and lower part position of the vaporizer 1 and spray water, and not be upper end against vaporizer 1
During water spray, the shower nozzle of the connection of filler pipe 5 needs the setting of fountain height.Specifically it is set to, the injection flow rate near upper end is more than lower end
Injection flow rate.When vaporizer 1 is cleaned, control compressor is opened, and control add water water pump 4 periodically open first it is default when
Between, stopping the second Preset Time, the water of the water pump 4 that adds water squeezes into vaporizer 1 by filler pipe 5.That is, a cycle is the water pump that adds water
4 open operation the very first times, after unlatching reaches the very first time, the second time out of service, it is out of service reach second when
Between after, into second period, first open the very first time, then the second time out of service, so repeatedly until terminating to add water.It is logical
Cross the control water pump 4 that adds water first to open the very first time, the second time out of service, within this cycle, the water pump 4 that adds water sprays into evaporation
Water on device 1 just flows into the bottom of vaporizer 1, without flowing into drip tray 11, causes the wasting of resources.The very first time and
Second time pre-set, and arranged according to the rotating speed of humidity, temperature, air conditioning operating mode and the water pump that adds water in current environment
One time and the value of the second time.By the value for arranging the very first time and the second time, it is ensured that the water pump 4 that adds water sprays into vaporizer 1
Water be entirely localized on vaporizer 1.Preferably, early stage is opened in compressor, the very first time arranges shorter, opens in compressor
For a period of time, for example, after 5 minutes or 8 minutes, evaporator temperature is relatively low, water start on vaporizer 1 freeze, now first when
Between can arrange long, can long 20s or 30s etc. with respect to compressor unlatching early stage；Or the water pump 4 that adds water is opened in compressor
The rotating speed of early stage is less than in the rotating speed for opening a period of time.
Step S30, icing on an evaporator meet it is pre-conditioned after, control compressor enters heating mode, will steam
Send out the ice-out tied on device and flow into drip tray, clean vaporizer；
Specifically, with reference to Fig. 3, judge the icing on vaporizer meet it is pre-conditioned including：
Step S31, after the number of run of the water pump predetermined period that adds water reaches preset times, or when refrigerating operaton is default
Between after, or when evaporator coil temperature reaches preset temperature threshold value, judge that the icing on vaporizer meets pre-conditioned.It is described
Preset times can be that 2 times or 3 are inferior, and the Preset Time can be 10 minutes or 15 minutes etc., the preset temperature threshold value
Can be -5 degree or -10 degree etc..Adding water, water pump 4 is opened, and after compressor opens refrigeration, detects that the water pump 4 that adds water has run several
In the cycle, after preset times are reached, judge that the icing on vaporizer 1 meets pre-conditioned；Or, opening in the water pump 4 that adds water, compress
After machine opens refrigeration, start timing, after refrigerating operaton Preset Time, judge that the icing on vaporizer 1 meets pre-conditioned；
Or, opening in the water pump 4 that adds water, after compressor opens refrigeration, 1 coil temperature of vaporizer is detected, is reached in 1 coil temperature of vaporizer
During preset temperature threshold value, judge that the icing on vaporizer 1 meets pre-conditioned.Icing on vaporizer 1 meets pre-conditioned
Afterwards, control compressor and enter heating mode, the ice-out tied on vaporizer 1 is flowed into into drip tray 11, clean vaporizer 1.
When compressor enters heating mode, the ice-out that will can be tied on vaporizer 1 takes away the booty on vaporizer 1, cleaning evaporation
Device 1.
Step S40, control three-way valve are switched to and are connected with drain pipe, and the water in drip tray is drained into outside air-conditioner.
Cause, early stage vaporizer 1 are messy, with very many booties, need to discharge filthy water, and are needing to arrange filthy water
When going out, when compression mechanism warm wash vaporizer 1, control three-way valve 14 is switched to and is connected with drain pipe 15, by water receiving
Water in disk 11 is drained into outside air-conditioner, and specifically, the water in drip tray 11 passes through its outlet 12 and outlet pipe 13 drains into water
Groove 3, then the water in tank 3 is drained into outside air-conditioner by drain pipe 15 by the water pump 4 that adds water.One is utilized by three-way valve 14
It is individual to add water water pump 4 to realize to vaporizer 1 spraying water and by the filthy water of air-conditioner internal washing vaporizer 1, material-saving part,
Reduces cost.
It is understood that switch to drain pipe 15 in control three-way valve 14 connecting, the water in drip tray 11 is drained into
After time outside air-conditioner is more than the 3rd Preset Time (arranging according to demand, for example, it may be 5 minutes or 10 minutes etc.),
Control three-way valve 14 is switched to and is connected with filler pipe 5, and controls periodically the first Preset Time of unlatching of water pump 4 that adds water, and is stopped
Second Preset Time, the water of the water pump 4 that adds water squeeze into vaporizer 1 by filler pipe 5, i.e. continue control and add water water pump 4 to vaporizer
1 water spray, heats cleaning vaporizer 1 again by refrigeration.When outside draining to air-conditioner, if the water on vaporizer 1 all evaporates
Complete, then control compressor is out of service, because now no water sprays into vaporizer 1 to clean vaporizer 1, to avoid wasting money
Source.
Further, air-conditioner is drained into according to step S10, step S20, step S30 and step S40 and the 3rd time control
Outside is with wash cycles vaporizer 1；After wash cycles number of times reaches predetermined threshold value, 14 communicated drainage pipe 15 of three-way valve is controlled,
Water in drip tray 11 and tank 3 is emptied, terminates the cleaning of vaporizer 1.The predetermined threshold value can be that 5 times or 8 are inferior,
After wash cycles vaporizer 1 reaches predetermined threshold value, it is meant that vaporizer 1 is cleaned up, close compressor, switching three-way valve 14 to
Drain pipe 15, the water in drip tray 11 and tank 3 is emptied, 1 cleaning operation of vaporizer is completed.
It is understood that after wash cycles number of times reaches predetermined threshold value, 14 communicated drainage pipe 15 of three-way valve is controlled, will
Water emptying in drip tray 11 and tank 3, terminates the cleaning of vaporizer 1.The state of compressor is obtained, is refrigeration in compressor
When, control compressor enters heating mode, melts the ice tied on vaporizer 1, after ice melts completely, close compressor；
When compressor is the state for heating, the state for being frozen on vaporizer 1 is obtained, when ice melts completely, close compressor,
Frozen when not melting completely, compressor is continued to run with until closing after is frozen thawing completely.By compressor state and steaming
The situation for sending out ice-out on device 1 rationally controls the closing of compressor.
In one embodiment, or after the persistent period of wash cycles reaches certain hour, close compressor is cut
Three-way valve 14 is changed to drain pipe 15, the water in drip tray 11 and tank 3 is emptied.The certain hour can be 30 minutes or 45
Minute etc., the clean level of air-conditioner evaporator 1 is obtained by the time of wash cycles, when certain hour is reached, is represented
What in air-conditioner, vaporizer 1 was washed has cleaned up, and terminates cleaning process.In a preferred embodiment, in order to improve vaporizer 1
Clean up degree, after wash cycles reach certain hour, close compressor, reduction add water the rotating speed of water pump 4, and it is right to control
The bottom of vaporizer 1 is washed, and because of 4 rotating speed of the water pump reduction that adds water, the impulsive force of vaporizer 1 can be reduced, that is to say, that water
1 bottom of vaporizer can be left to along vaporizer, the time for resting on vaporizer 1 can be longer, and cleaning performance can be better.The present embodiment
1 cleaning process of vaporizer, melt cleaning when, drip tray 11 be connection air-conditioner outside, i.e. the water of cleaning is drained into into air-conditioning
Outside device, it is to avoid the filthy water wash cycles of cleaning pervaporation device 1 cause vaporizer 1 to clean sordid problem.
The present embodiment is opened compressor and is first freezed by the water in water tank 2 is sprayed to vaporizer 1 by the water pump 4 that adds water
Heat again, frozen by freezing, the booty and water on vaporizer 1 is coagulated together, reheat and melt, by vaporizer 1
Booty is taken away, and by the control of three-way valve 14, realizes that vaporizer 1 is cleaned and water drains into air-conditioning using the water pump 4 that adds water
Switching outside device room, completes the cleaning to vaporizer 1, improves cleaning performance, improves indoor environment, and then it is comfortable to improve air-conditioner
Degree.
In a preferred embodiment of the present invention, with reference to Fig. 4, the control compressor enters heating mode with control three-way valve
Switch to and connect with drain pipe, the water in drip tray is drained between air-conditioner outside, is also included：
Step S50, improves the rotating speed of the water pump that adds water, and control filler pipe is rinsed against vaporizer；
Step S60, after the ice tied on an evaporator melts completely, recovery add water water pump rotating speed to improve before turn
Speed.
Melt the ice condensed on vaporizer 1 heating, so as to take away during the booty on vaporizer 1, improve the water pump that adds water
Rotating speed, i.e. increase impulsive force of the water to vaporizer 1, and then can be with the significantly more efficient booty washed away on vaporizer 1.Steaming
Send out after on device 1, the ice tied melts completely, recovery adds water the rotating speed of the rotating speed to before improving of water pump.Ensureing that vaporizer 1 is clear
While washing effect, save resources, it is to avoid long-term high rotating speed runs the water pump 4 that adds water causes the situation of the wasting of resources.
Based on said method, the present invention also proposes a kind of air-conditioner evaporator cleaning control device, with reference to Fig. 5, the dress
Put including：Control module 10, judge module 20 and cleaning module 30.
The control module 10, for when vaporizer is cleaned, control compressor turns on into refrigeration；
In the present embodiment, after air-conditioner unlatching, the parameter operation arranged according to acquiescence or user.Needing to steaming
When sending out device cleaning, control is into vaporizer cleaning model.The control can include into vaporizer cleaning model：1) receive and steam
Device clear instruction is sent out, vaporizer cleaning model is entered according to vaporizer clear instruction；2) total operation duration of air-conditioner is obtained,
Total operation duration reach preset duration (100 hours or 120 hours etc., according to demand and ambient As, for example, ambient dust ratio
Larger, then preset duration setting is shorter, is 80 hours or 90 hours etc., and few in ambient dust, then preset duration is arranged
It is longer, be 120 hours or 130 hours etc.) when, automatically into vaporizer cleaning model.When into vaporizer cleaning model,
Control compressor turns on into refrigeration mode, and indoor fan is run with low wind shelves or out of service.
The control mould 10, is additionally operable to control three-way valve switch to and connect with filler pipe, and control adds water water pump periodicity
The first Preset Time of unlatching, stop the second Preset Time, the water of the water pump that adds water squeezes into vaporizer by filler pipe；
With reference to Fig. 2 a and Fig. 2 b, the air-conditioner of the embodiment of the present invention includes：Vaporizer 1, water tank 2, tank 3, add water water pump 4
With filler pipe 5, the bottom of the vaporizer 1 is provided with drip tray 11, and the water tank 2 is connected with the tank 3, the drip tray
11 are provided with outlet 12 near one end of tank 3, and the water outlet 12 is connected with outlet pipe 13, and the outlet pipe 13 connects described
Drip tray 11 and the tank 3, the water pump 4 that adds water are arranged in the tank 3, the filler pipe 5 and the water pump 4 that adds water
Between connected by three-way valve 14, the three-way valve 14 is also associated with drain pipe 15, during practice, by three-way valve
14 control, the control connection filler pipe 5 of three-way valve 14, it is also possible to by the control to three-way valve 14, control three-way valve 14 and connect
Drain pipe 15.By the switching of three-way valve 14, realization adds water the connection filler pipe 5 of water pump 4 to 1 water filling of vaporizer, and switches to
Add water 4 communicated drainage pipe 15 of water pump, and water is discharged outside air-conditioner.
Refrigeration mode is turned on in control compressor, the coil temperature of vaporizer 1 is constantly reduced, opened in control compressor
While opening into refrigeration mode, the control water pump 4 that adds water is opened, and control three-way valve 14 is switched to and connected with filler pipe 5, and add water water
Water in tank 3 is squeezed into vaporizer 1 by filler pipe 5 by pump 4.
Preferably, the filler pipe 5 is provided with shower nozzle against one end of vaporizer 1, by shower nozzle spray water to vaporizer
1, the contact area of water and vaporizer 1 is improved, by spraying into the cleaning dynamics increased to vaporizer 1.It is understood that described
Filler pipe 5 can also be against the middle part or middle and lower part position of the vaporizer 1 and spray water, and not be upper end against vaporizer 1
During water spray, the shower nozzle of the connection of filler pipe 5 needs the setting of fountain height.Specifically it is set to, the injection flow rate near upper end is more than lower end
Injection flow rate.When vaporizer 1 is cleaned, control compressor is opened, and control add water water pump 4 periodically open first it is default when
Between, stopping the second Preset Time, the water of the water pump 4 that adds water squeezes into vaporizer 1 by filler pipe 5.That is, a cycle is the water pump that adds water
4 open operation the very first times, after unlatching reaches the very first time, the second time out of service, it is out of service reach second when
Between after, into second period, first open the very first time, then the second time out of service, so repeatedly until terminating to add water.It is logical
Cross the control water pump 4 that adds water first to open the very first time, the second time out of service, within this cycle, the water pump 4 that adds water sprays into evaporation
Water on device 1 just flows into the bottom of vaporizer 1, without flowing into drip tray 11.The very first time and the second time are advance
Arrange, the very first time and second are arranged according to the rotating speed of humidity, temperature, air conditioning operating mode and the water pump that adds water in current environment
The value of time.By the value for arranging the very first time and the second time, it is ensured that the water pump 4 that adds water sprays into the water of vaporizer 1 and stops completely
On vaporizer 1.Preferably, early stage is opened in compressor, the very first time arranges shorter, opens a period of time, example in compressor
Such as, after 5 minutes or 8 minutes, evaporator temperature is relatively low, water start on vaporizer 1 freeze, now the very first time length can be set
A bit, opening early stage with respect to compressor can long 20s or 30s etc.；Or the water pump 4 that adds water is low in the rotating speed that compressor opens early stage
In in the rotating speed for opening a period of time.
It is described control mould 10, the icing being additionally operable on an evaporator meet it is pre-conditioned after, control compressor enter heat
The ice-out tied on vaporizer is flowed into drip tray by pattern, cleans vaporizer；
The judge module 20, for after the number of run of the water pump predetermined period that adds water reaches preset times, or in system
After cold operation Preset Time, or when evaporator coil temperature reaches preset temperature threshold value, judge that the icing on vaporizer meets
It is pre-conditioned.The preset times can be that 2 times or 3 are inferior, and the Preset Time can be 10 minutes or 15 minutes etc., described
Preset temperature threshold value can be -5 degree or -10 degree etc..Adding water, water pump 4 is opened, and after compressor opens refrigeration, detects the water pump that adds water
4 have run several cycles, after preset times are reached, judge that the icing on vaporizer 1 meets pre-conditioned；Or, in the water that adds water
Pump 4 is opened, and after compressor opens refrigeration, starts timing, after refrigerating operaton Preset Time, judges that the icing on vaporizer 1 is full
Foot is pre-conditioned；Or, opening in the water pump 4 that adds water, after compressor opens refrigeration, 1 coil temperature of vaporizer is detected, in evaporator plate
When pipe temperature reaches preset temperature threshold value, judge that the icing on vaporizer meets pre-conditioned.Icing on vaporizer 1 meets
After pre-conditioned, control compressor enters heating mode, and the ice-out tied on vaporizer 1 is flowed into drip tray 11, cleaning
Vaporizer 1.When compressor enters heating mode, the ice-out that will can be tied on vaporizer 1 takes away the booty on vaporizer 1,
Cleaning vaporizer 1.
The cleaning module 30, is connected with drain pipe for controlling three-way valve and switching to, the water in drip tray is drained into
Outside air-conditioner.
Cause, early stage vaporizer 1 are messy, with very many booties, need to discharge filthy water, and are needing to arrange filthy water
When going out, when compression mechanism warm wash vaporizer 1, control three-way valve 14 is switched to and is connected with drain pipe 15, by water receiving
Water in disk 11 is drained into outside air-conditioner, and specifically, the water in drip tray 11 passes through its outlet 12 and outlet pipe 13 drains into water
Groove 3, then the water in tank is drained into outside air-conditioner by drain pipe 15 by the water pump 4 that adds water.One is utilized by three-way valve 14
It is individual to add water water pump 4 to realize to vaporizer 1 spraying water and by the filthy water of air-conditioner internal washing vaporizer 1, material-saving part,
Reduces cost.
It is understood that switch to drain pipe 15 in control three-way valve 14 connecting, the water in drip tray 11 is drained into
After time outside air-conditioner is more than the 3rd Preset Time (arranging according to demand, for example, it may be 5 minutes or 10 minutes etc.),
Control three-way valve 14 is switched to and is connected with filler pipe 5, and controls periodically the first Preset Time of unlatching of water pump 4 that adds water, and is stopped
Second Preset Time, the water of the water pump 4 that adds water squeeze into vaporizer 1 by filler pipe 5, i.e. continue control and add water water pump 4 to vaporizer
1 water spray, heats cleaning vaporizer 1 again by refrigeration.When outside draining to air-conditioner, if the water on vaporizer 1 all evaporates
Complete, then control compressor is out of service, because now no water sprays into vaporizer 1 to clean vaporizer 1, to avoid wasting money
Source.
Further, in control module 10 and when cleaning in vaporizer of cleaning module 20, control compressor is turned on into
Refrigeration mode；Control three-way valve 14 is switched to and is connected with filler pipe 5, and the control water pump 4 that adds water periodically is opened first and preset
Time, stop the second Preset Time, the water of the water pump 4 that adds water squeezes into vaporizer 1 by filler pipe 5；Icing on vaporizer 1 is full
After foot is pre-conditioned, control compressor enters heating mode, the ice-out tied is flowed into drip tray 11, clearly on vaporizer 1
Wash vaporizer 1；Control three-way valve 14 is switched to and is connected with drain pipe 15, and the water in drip tray 11 is drained into outside air-conditioner；
After the water in drip tray 11 to be drained into the time outside air-conditioner more than the 3rd Preset Time, perform control three-way valve 14 and switch
Extremely connect with filler pipe 5, and control periodically the first Preset Time of unlatching of water pump 4 that adds water, stop the second Preset Time, add water
The water of water pump 4 squeezes into the process of vaporizer 1, wash cycles vaporizer 1 by filler pipe 5.Reach in wash cycles number of times default
After threshold value, 14 communicated drainage pipe 15 of three-way valve is controlled, the water in drip tray 11 and tank 3 is emptied, terminate the clear of vaporizer 1
Wash.The predetermined threshold value can be that 5 times or 8 are inferior, after wash cycles vaporizer 1 reaches predetermined threshold value, it is meant that vaporizer 1
Clean up, close compressor, switching three-way valve 14 to drain pipe 15, the water in drip tray 11 and tank 3 is emptied, complete to steam
Send out 1 cleaning operation of device.
It is understood that after wash cycles number of times reaches predetermined threshold value, 14 communicated drainage pipe 15 of three-way valve is controlled, will
Water emptying in drip tray 11 and tank 3, terminates the cleaning of vaporizer 1.The state of compressor is obtained, is refrigeration in compressor
When, control compressor enters heating mode, melts the ice tied on vaporizer 1, after ice melts completely, close compressor；
When compressor is the state for heating, the state for being frozen on vaporizer 1 is obtained, when ice melts completely, close compressor,
Frozen when not melting completely, compressor is continued to run with until closing after is frozen thawing completely.By compressor state and steaming
The situation for sending out ice-out on device 1 rationally controls the closing of compressor.
In one embodiment, or after the persistent period of wash cycles reaches certain hour, close compressor is cut
Three-way valve 14 is changed to drain pipe 15, the water in drip tray 11 and tank 3 is emptied.The certain hour can be 30 minutes or 45
Minute etc., the clean level of air-conditioner evaporator 1 is obtained by the time of wash cycles, when certain hour is reached, is represented
What in air-conditioner, vaporizer 1 was washed has cleaned up, and terminates cleaning process.In a preferred embodiment, in order to improve vaporizer 1
Clean up degree, after wash cycles reach certain hour, close compressor, reduction add water the rotating speed of water pump 4, and it is right to control
The bottom of vaporizer 1 is washed, and because of 4 rotating speed of the water pump reduction that adds water, the impulsive force of vaporizer 1 can be reduced, that is to say, that water
1 bottom of vaporizer can be left to along vaporizer, the time for resting on vaporizer 1 can be longer, and cleaning performance can be better.The present embodiment
1 cleaning process of vaporizer, melt cleaning when, drip tray 11 be connection air-conditioner outside, i.e. the water of cleaning is drained into into air-conditioning
Outside device, it is to avoid the filthy water wash cycles of cleaning pervaporation device 1 cause vaporizer 1 to clean sordid problem.
The present embodiment is opened compressor and is first freezed by the water in water tank 2 is sprayed to vaporizer 1 by the water pump 4 that adds water
Heat again, frozen by freezing, the booty and water on vaporizer 1 is coagulated together, reheat and melt, by vaporizer 1
Booty is taken away, and by the control of three-way valve 14, realizes that vaporizer 1 is cleaned and water drains into air-conditioning using the water pump 4 that adds water
Switching outside device room, completes the cleaning to vaporizer 1, improves cleaning performance, improves indoor environment, and then it is comfortable to improve air-conditioner
Degree.
In a preferred embodiment of the present invention, with reference to Fig. 5, the control module 10 is additionally operable to improve turning for the water pump that adds water
Speed, control filler pipe are rinsed against vaporizer；Control module 10 is additionally operable to
After the ice tied on an evaporator melts completely, recovery add water water pump rotating speed to improve before rotating speed.
Melt the ice condensed on vaporizer 1 heating, so as to take away during the booty on vaporizer 1, improve the water pump that adds water
Rotating speed, i.e. increase impulsive force of the water to vaporizer 1, and then can be with the significantly more efficient booty washed away on vaporizer 1.Steaming
Send out after on device 1, the ice tied melts completely, recovery adds water the rotating speed of the rotating speed to before improving of water pump.Ensureing that vaporizer 1 is clear
While washing effect, save resources, it is to avoid long-term high rotating speed runs the water pump 4 that adds water causes the situation of the wasting of resources.
Based on above-mentioned air-conditioner evaporator cleaning control device, the present invention also proposes a kind of air-conditioner, the air-conditioner bag
Include compressor, vaporizer, water tank, tank, the water pump that adds water, filler pipe and drip tray, the air-conditioner evaporator cleaning control dress
Put and operate in the air-conditioner, by controlling compressor, vaporizer, water tank, tank, the water pump that adds water, filler pipe and drip tray pair
The vaporizer ice of air-conditioner is washed.The air-conditioner of the present embodiment by the water in water tank is sprayed to vaporizer by the water pump that adds water,
Unlatching compressor first freezes and heats again, is frozen by freezing, the booty and water on vaporizer is coagulated together, and reheating is melted
Change, the booty on vaporizer taken away, and the control by three-way valve, using the water pump that adds water realize vaporizer cleaning and
Water drains into the switching outside air conditioner chamber, completes the cleaning to vaporizer, improves cleaning performance, improves indoor environment, and then improves
Air-conditioner comfort level.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of air-conditioner evaporator cleaning control method, it is characterised in that including step：
A, when vaporizer is cleaned, control compressor turn on into refrigeration mode；
B, control three-way valve are switched to and are connected with filler pipe, and control water pump periodically the first Preset Time of unlatching that adds water, and are stopped
Only the second Preset Time, the water of the water pump that adds water squeeze into vaporizer by filler pipe；
C, icing on an evaporator meet it is pre-conditioned after, control compressor enter heating mode, will be tied on vaporizer
Ice-out flow into drip tray, clean vaporizer；
D, control three-way valve are switched to and are connected with drain pipe, and the water in drip tray is drained into outside air-conditioner.
2. air-conditioner evaporator cleaning control method as claimed in claim 1, it is characterised in that after the D, also wrap
Include：
E, after the water in drip tray to be drained into the time outside air-conditioner more than the 3rd Preset Time, perform step B.
3. air-conditioner evaporator cleaning control method as claimed in claim 1, it is characterised in that methods described also includes：
According to B, C, D and E wash cycles vaporizer；
After wash cycles number of times reaches predetermined threshold value, three-way valve communicated drainage pipe is controlled, the water in drip tray is emptied, terminated
Vaporizer is cleaned.
4. the air-conditioner evaporator cleaning control method as described in any one of claims 1 to 3, it is characterised in that the control
Three-way valve is switched to and is connected with filler pipe, and controls water pump periodically the first Preset Time of unlatching that adds water, and is stopped second and is preset
Time, after the water of the water pump that adds water squeezes into vaporizer by filler pipe, also include：
After the number of run of the water pump predetermined period that adds water reaches preset times, or after refrigerating operaton Preset Time, or steaming
Device coil temperature is sent out when reaching preset temperature threshold value, judges that the icing on vaporizer meets pre-conditioned.
5. the air-conditioner evaporator cleaning control method as described in any one of claims 1 to 3, it is characterised in that described to steam
Send out device on icing meet it is pre-conditioned after, control compressor enter heating mode, by the ice-out stream tied on vaporizer
Enter drip tray, cleaning vaporizer is switched to control three-way valve and connected with drain pipe, and the water in drip tray is drained into air-conditioner
Between outside, also include：
The rotating speed of the water pump that adds water is improved, control filler pipe is rinsed against vaporizer；
After the ice tied on an evaporator melts completely, recovery add water water pump rotating speed to improve before rotating speed.
6. a kind of air-conditioner evaporator cleaning control device, it is characterised in that include：
Control module, for when vaporizer is cleaned, control compressor turns on into refrigeration mode, control three-way valve switch to
Filler pipe is connected, and controls water pump periodically the first Preset Time of unlatching that adds water, and stops the second Preset Time, and add water water pump
Water squeezes into vaporizer by filler pipe；
The control module, the icing being additionally operable on an evaporator meet it is pre-conditioned after, control compressor enter heating mode,
So that the ice-out tied on vaporizer is flowed into drip tray, vaporizer is cleaned；
Cleaning module, is connected with drain pipe for controlling three-way valve and switching to, the water in drip tray is drained into outside air-conditioner.
7. air-conditioner evaporator cleaning control device as claimed in claim 6, it is characterised in that the control module, also uses
In after the water in drip tray to be drained into the time outside air-conditioner more than the 3rd Preset Time, control three-way valve is switched to and is added
Water pipe is connected, and controls water pump periodically the first Preset Time of unlatching that adds water, and stops the second Preset Time, the water of the water pump that adds water
Vaporizer is squeezed into by filler pipe.
8. air-conditioner evaporator cleaning control device as claimed in claim 6, it is characterised in that in control module and cleaning mould
The lower wash cycles vaporizer of block control；
The control module, is additionally operable to after wash cycles number of times reaches predetermined threshold value, controls three-way valve communicated drainage pipe；
The cleaning module, is additionally operable to empty the water in drip tray, terminates vaporizer cleaning.
9. the air-conditioner evaporator cleaning control device as described in any one of claim 6 to 8, it is characterised in that described device
Also include：
Judge module, for after the number of run of the water pump predetermined period that adds water reaches preset times or default in refrigerating operaton
After time, or when evaporator coil temperature reaches preset temperature threshold value, judge that the icing on vaporizer meets pre-conditioned.
10. the air-conditioner evaporator cleaning control device as described in any one of claim 6 to 8, it is characterised in that the control
Module, is additionally operable to improve the rotating speed of the water pump that adds water, and control filler pipe is rinsed against vaporizer；Control module is additionally operable to
After the ice tied on an evaporator melts completely, recovery add water water pump rotating speed to improve before rotating speed.
11. a kind of air-conditioners, it is characterised in that include the air-conditioner evaporator cleaning as described in any one of claim 6 to 10
Control device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087668.XA CN106594983A (en) | 2016-11-30 | 2016-11-30 | Cleaning control method and cleaning control device for air conditioner evaporator and air conditioner |
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| CN201611087668.XA CN106594983A (en) | 2016-11-30 | 2016-11-30 | Cleaning control method and cleaning control device for air conditioner evaporator and air conditioner |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611087668.XA Pending CN106594983A (en) | 2016-11-30 | 2016-11-30 | Cleaning control method and cleaning control device for air conditioner evaporator and air conditioner |
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| CN110736197A (en) * | 2019-10-18 | 2020-01-31 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning of air conditioner and air conditioner |
| CN110736199A (en) * | 2019-10-18 | 2020-01-31 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning of air conditioner and air conditioner |
| CN110736198A (en) * | 2019-10-18 | 2020-01-31 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning of air conditioner and air conditioner |
| CN110736196A (en) * | 2019-09-30 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and device for self-cleaning of air conditioner and air conditioner |
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| CN110736197B (en) * | 2019-10-18 | 2021-09-21 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning of air conditioner and air conditioner |
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Application publication date: 20170426 |