CN106247846A - The vaporizer cleaning method of single cooler and device - Google Patents
The vaporizer cleaning method of single cooler and device Download PDFInfo
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- CN106247846A CN106247846A CN201610711303.3A CN201610711303A CN106247846A CN 106247846 A CN106247846 A CN 106247846A CN 201610711303 A CN201610711303 A CN 201610711303A CN 106247846 A CN106247846 A CN 106247846A
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- single cooler
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses the vaporizer cleaning method of a kind of single cooler, including: single cooler enters vaporizer self-cleaning pattern, opens compressor and outdoor fan refrigeration；If indoor heat exchanger surface temperature t is less than preset temperature t1, then evaporator surface frosting；In Frost formation process, when indoor heat exchanger surface temperature t is less than preset temperature t2, close compressor and outdoor fan, opening chamber's inner blower carries out defrost, is cleaned vaporizer by the water produced after defrost, and preset temperature t2 is less than preset temperature t1.The invention also discloses the evaporator washing unit of a kind of single cooler.The invention also discloses the evaporator washing unit of a kind of single cooler.The present invention realizes the automatic cleaning to vaporizer of single cooler, in order to avoid the material buildup such as vaporizer heap dust too much affect user's body health, decreases the accessory loss that single cooler is in operation, and reduces energy consumption.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to vaporizer cleaning method and the device of a kind of single cooler.
Background technology
Single cooler is in running, due to gap and the problem in space such as louvre of single cooler itself, vaporizer pole
Easily pile up dust etc. dirty, if the materials such as the dust piled up in vaporizer and related accessory are too much, related accessory can be affected
Operational efficiency, further, in the operation of long-time inefficiency, easily causes loss, and energy consumption is big related accessory；
In the operational mode of current single cooler, there is no the related art scheme cleaning vaporizer, such as vaporizer to be cleaned, need
Manually vaporizer and related accessory are carried out after single cooler being dismantled by professional cleaning personnel, labor intensive and expense.
Foregoing is only used for auxiliary and understands technical scheme, does not represent and recognizes that foregoing is existing skill
Art.
Summary of the invention
Present invention is primarily targeted at the vaporizer cleaning method that a kind of single cooler is provided, it is achieved single cooler the most right
The cleaning of vaporizer, in order to avoid the materials such as the dust piled up in vaporizer and related accessory are too much, affects the operation of related accessory
Efficiency, further, in the operation of long-time inefficiency, easily causes loss, and energy consumption is big related accessory.
For achieving the above object, the vaporizer cleaning method of a kind of single cooler that the present invention provides, including:
Single cooler enters vaporizer self-cleaning pattern, opens compressor and outdoor fan refrigeration；
If indoor heat exchanger surface temperature t is less than preset temperature t1, then evaporator surface frosting；
In Frost formation process, when indoor heat exchanger surface temperature t is less than preset temperature t2, close compressor and outdoor wind
Machine, opening chamber's inner blower carries out defrost, is cleaned vaporizer by the water produced after defrost, and preset temperature t2 is less than preset temperature
t1。
Preferably, described single cooler switches to self-cleaning pattern, before opening compressor and outdoor fan refrigeration, also wraps
Include:
Detection indoor environment temperature, and contrast with the first default indoor environment temperature；
If indoor environment temperature is less than or equal to the first indoor environment temperature preset, then judge that not met enters vaporizer
The condition of self-cleaning pattern, maintains present mode of operation constant；
If indoor environment temperature is more than the first indoor environment temperature preset, then judge to meet to enter vaporizer self-cleaning mould
The condition of formula, enters vaporizer self-cleaning pattern.
Preferably, if described indoor heat exchanger surface temperature t is less than default indoor heat exchanger temperature t2, close compressor
And outdoor fan, opening chamber's inner blower carries out defrost, after being cleaned vaporizer by the water produced after defrost, also includes:
After defrost runs Preset Time, exit vaporizer self-cleaning pattern.
Preferably, also include:
Refrigeration and frosting run in, measure indoor environment temperature in real time, if current indoor ambient temperature less than preset
Second indoor environment temperature, closes outdoor compressor and outdoor fan, and opening chamber's inner blower carries out defrost.
Preferably, also include:
In the operation of vaporizer self-cleaning pattern, after the operation time of each operational mode reaches Preset Time, directly
Switch next operational mode to run.
Additionally, for achieving the above object, the present invention also provides for the evaporator washing unit of a kind of single cooler, including:
Opening module, enters vaporizer self-cleaning pattern for single cooler, opens compressor and outdoor fan refrigeration；
Close module, if for indoor heat exchanger surface temperature t less than preset temperature t1, then evaporator surface frosting；Close
Mold closing block is additionally operable to
In Frost formation process, when indoor heat exchanger surface temperature t is less than preset temperature t2, close compressor and outdoor wind
Machine；
Cleaning module, carries out defrost for opening chamber's inner blower, is cleaned vaporizer by the water produced after defrost, presets
Temperature t2 is less than preset temperature t1.
Preferably, also include:
Detection module, is used for detecting indoor environment temperature；
Contrast module, for the indoor environment temperature that will be detected and the first indoor environment temperature contrast preset；
Judge module, if for indoor environment temperature less than or equal to the first indoor environment temperature preset, then judging not
Meet the condition entering vaporizer self-cleaning pattern, maintain present mode of operation constant；If being additionally operable to indoor environment temperature be more than
The first indoor environment temperature preset, then judge to meet the condition entering vaporizer self-cleaning pattern, enter vaporizer self-cleaning
Pattern.
Preferably, described closedown module, after being additionally operable to defrost operation Preset Time, exits vaporizer self-cleaning pattern.
Preferably, described detection module, it is additionally operable in refrigeration and frosting are run, measures indoor environment temperature in real time, if
Current indoor ambient temperature, less than the second indoor environment temperature preset, closes outdoor compressor and outdoor fan, in opening chamber
Blower fan carries out defrost.
Preferably, described cleaning module, it is additionally operable in the operation of vaporizer self-cleaning pattern, the fortune of each operational mode
After the row time reaches Preset Time, directly switch next operational mode and run.
Single cooler of the present invention enters vaporizer self-cleaning pattern, opens compressor and outdoor fan refrigeration；If indoor heat exchange
Device surface temperature t is less than preset temperature t1, then evaporator surface frosting；In frosting pattern, when indoor heat exchanger surface temperature t is low
When preset temperature t2, close compressor and outdoor fan, opening chamber's inner blower carries out defrost, by the water pair produced after defrost
Vaporizer cleans, and preset temperature t2 is less than preset temperature t1.The present invention realizes the automatic cleaning to vaporizer of single cooler, in order to avoid
It is healthy that the material buildup such as vaporizer heap dust too much affect user's body, decreases the accessory loss that single cooler is in operation,
And reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the first embodiment of the vaporizer cleaning method of single cooler of the present invention；
Fig. 2 is the schematic flow sheet of the second embodiment of the vaporizer cleaning method of single cooler of the present invention；
Fig. 3 is the schematic flow sheet of the 3rd embodiment of the vaporizer cleaning method of single cooler of the present invention；
Fig. 4 is the high-level schematic functional block diagram of the first embodiment of the evaporator washing unit of single cooler of the present invention；
Fig. 5 is the high-level schematic functional block diagram of the second embodiment of the evaporator washing unit of single cooler of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention is: single cooler enter vaporizer self-cleaning pattern, open compressor and
Outdoor fan freezes；If indoor heat exchanger surface temperature t is less than preset temperature t1, then evaporator surface frosting；In frosting pattern,
When indoor heat exchanger surface temperature t is less than preset temperature t2, close compressor and outdoor fan, opening chamber's inner blower
Frost, is cleaned vaporizer by the water produced after defrost, and preset temperature t2 is less than preset temperature t1..The invention also discloses one
Plant the evaporator washing unit of single cooler.The present invention realizes the automatic cleaning to vaporizer of single cooler, in order to avoid vaporizer heap is grey
It is healthy that the material buildup such as dirt too much affect user's body, decreases the accessory loss that single cooler is in operation, and reduces energy consumption.
Owing to the vaporizer of existing single cooler can not clean automatically, cause single cooler operationally, due to ash on vaporizer
The accumulation of the materials such as dirt, can affect the healthy of user, also results in accessory loss that single cooler is in operation and energy consumption is big
Problem.
Based on the problems referred to above, the present invention provides the vaporizer cleaning method of a kind of single cooler.
Schematic flow sheet with reference to the first embodiment of the vaporizer cleaning method that Fig. 1, Fig. 1 are single cooler of the present invention.
In one embodiment, described method includes:
Step S1, single cooler enters vaporizer self-cleaning pattern, opens compressor and outdoor fan refrigeration；
Receive the instruction of vaporizer automatically cleaning, operational mode current for single cooler is switched to self-cleaning pattern；Or, at list
Cold arranges self-cleaning trigger mechanism, calculates total run time, after the single cooler operation time reaches target duration, automatically cut
Change present mode of operation flash-pot self-cleaning pattern.The operational objective duration of described self-cleaning trigger mechanism, for user at list
The time arranged in cold system.After single cooler switches to vaporizer self-cleaning pattern, open compressor and outdoor fan system
Cold.And use heat exchanger surface temperature t in temperature measurement equipment measuring chamber；Described temperature measurement equipment, is built in single cooler
Near heat exchanger, in order to accurately measure heat exchanger surface temperature t.Described single cooler refrigeration mode runs, and changes in order to reduce indoor
The temperature on hot device surface, the indoor heat exchanger surface temperature arrived to be measured is less than preset value, then exit current refrigeration operation and proceed to
Frosting pattern；Or, after the refrigeration mode operational objective time, proceed to frosting mode operation.
Step S2, if indoor heat exchanger surface temperature t is less than preset temperature t1, then evaporator surface frosting；
Measuring indoor heat exchanger temperature t arrived, if indoor heat exchanger temperature t is less than preset temperature t1, vaporizer starts knot
Frost, described preset temperature t1, runs heat exchange temperature after refrigeration for what user was arranged in single cooler in self-cleaning pattern
Peak.Single cooler is in frosting mode operation, according to the current frosting mode operation object time.The described object time, for
The normal frosting mode operation duration that family is arranged in single cooler；And start-up temperature measurement device measuring indoor heat exchanger surface temperature
Degree t, and with the operating of indoor heat exchanger surface temperature control indoor fan, in order to preferably complete the carrying out of evaporimeter frosting；
If measuring indoor heat exchanger temperature t arrived to be less than default indoor heat exchanger temperature value, represent in current frosting pattern
In, indoor heat exchanger surface temperature t is too low, is easily caused undue frosting, increases loss and the energy consumption of accessory, needs control room endogenous wind
Machine operates with minimum speed, indoor heat exchanger surface temperature is raised, and controls frosting situation, it is to avoid frosting is excessive.Described default
Indoor heat exchanger temperature value, during the self-cleaning pattern second step frosting arranged in single cooler for user runs, indoor heat exchange
The minimum temperature numerical value of device temperature.
If measuring indoor heat exchanger surface temperature t arrived to be more than or equal to preset indoor heat exchanger temperature value, represent current
Indoor heat exchanger surface temperature t have been over frosting in self-cleaning and run the ident value of lower indoor heat exchanger, stop indoor
The operation of blower fan, makes the temperature of indoor heat exchanger reduce, and promotes the carrying out of evaporimeter frosting.
Step S3, in Frost formation process, when indoor heat exchanger surface temperature t less than preset temperature t2 time, close compressor and
Outdoor fan, opening chamber's inner blower carries out defrost, is cleaned vaporizer by the water produced after defrost, and preset temperature t2 is less than pre-
If temperature t1.
During evaporimeter frosting, when measuring indoor heat exchanger temperature t arrived less than default indoor heat exchanger temperature t2, represent and work as
Front evaporator frosting is complete, in this case, close compressor and outdoor fan, stop frosting；And opening chamber's endogenous wind
Machine carries out the operation of defrost, by the white high temperature melt become by vaporizer cryogenic temperature condensation, uses the water after melting to enter vaporizer
Row cleaning, is i.e. evaporated the cleaning process of device.
In defrost pattern, direct close compressor and outdoor fan, opening chamber's inner blower.During to adjust frosting pattern
The surface temperature of indoor heat exchanger, enters the process of defrost in order to control vaporizer；And in using temperature measurement equipment measuring chamber
Heat exchange temperature t, if indoor heat exchanger temperature t runs the lower heat exchange temperature preset more than defrost, represents when front evaporator
Frost has not also been changed, i.e. the cleaning of vaporizer is also not fully complete, and present mode of operation need to be maintained constant；If measuring indoor heat exchanger temperature
Degree t is more than presetting defrost heat exchange temperature, and in that case, the frost of vaporizer has been changed, and vaporizer has cleaned, if protecting
Hold present mode of operation to damage the accessories such as vaporizer and increase energy consumption, need to directly exit defrost pattern；Or, run in defrost
After Preset Time, terminating self-cleaning pattern, described defrost runs Preset Time, for the maximum duration needed for defrost, user exists
Single cooler system arranges this Preset Time.
Further, in the operation of vaporizer self-cleaning pattern, when the operation time of each operational mode reaches to preset
After between, directly switch next operational mode and run；
Single cooler is in self-cleaning pattern, it is contemplated that the loss problem of the accessory of energy consumption, each fortune under self-cleaning pattern
Row step, including under refrigeration, frosting and defrost pattern, after each mode operation time meets Preset Time, automatically switches to down
One operational mode is run；Described Preset Time is that user is arranged in single cooler, it is contemplated that the effect of self-cleaning and energy consumption and
Under the problem of accessory loss, the operation maximum duration of each operational mode.Such as, the operation of the refrigeration of setting, frosting and defrost
Preset Time is 10 minutes, 15 minutes 10 minutes, under this kind arranges the time, in current self-cleaning pattern, and refrigerating operaton mould
After full 10 minutes of formula, it is directly switch in frosting, makes evaporimeter frosting, and after frosting 15 minutes, close compressor and outdoor
Blower fan, and opening chamber's inner blower carries out defrost pattern, after defrost runs 10 minutes, exits current self-cleaning pattern.
In the present embodiment, by the operation of self-cleaning pattern, it is achieved the automatic cleaning to vaporizer of single cooler, with non-evaporating
Send out the material buildup such as device heap dust and too much affect user's body health, decrease the accessory loss that single cooler is in operation, and
Reduce energy consumption.
With reference to the schematic flow sheet of the 3rd embodiment of the vaporizer cleaning method that Fig. 2, Fig. 2 are single cooler of the present invention, base
In the first embodiment of said method, described before single cooler but shifts to self-cleaning pattern, also include:
Step S5, detects indoor environment temperature；
Use temperature measurement equipment to measure current indoor ambient temperature T, described temperature measurement equipment, be positioned at energy in single cooler
Enough it is accurately measured the position of indoor temperature, in order to accurately temperature value in measuring chamber；Treat that single cooler is received from cleaning model signal
After, measure device measuring current indoor ambient temperature for start-up temperature.
Step S6, with the first default indoor environment temperature contrast；
Indoor environment temperature measurement arrived contrasts with presetting the first indoor environment temperature, in order to judge whether current ring
Whether border temperature meets the operation of self-cleaning pattern.Described default first indoor environment temperature, is arranged in single cooler for user
The ident value of self-cleaning pattern.
Step S7, if indoor environment temperature is less than or equal to the first indoor environment temperature preset, then judges that not met enters
Enter the condition of vaporizer self-cleaning pattern, maintain present mode of operation constant；
If measure the indoor environment temperature arrived less than or equal to default first indoor environment temperature, represent current environment
In, it is impossible to meet the condition of self-cleaning.Indoor temperature is too low, it is impossible to meet the bar of the operations such as the refrigeration in self-cleaning and defrost
Part.Or, in this indoor temperature, if making a forcible entry into the significant loss that self-cleaning pattern can cause single cooler accessory to run, institute
Run can not enter in self-cleaning pattern.Described preset the first indoor environment temperature, arranges in single cooler for user oneself
Clean the most bootable temperature value, self-cleaning pattern can be started in a secure environment in order to judging whether.
Step S8, if indoor environment temperature is more than the first indoor environment temperature preset, then judges to meet to enter vaporizer
The condition of self-cleaning pattern, enters vaporizer self-cleaning pattern.
If measuring the indoor environment temperature arrived more than default first indoor environment temperature, under expression current environment, single cooler
Self-cleaning pattern can be started vaporizer and the related accessory of single cooler are done the process cleaned.Then be directly entered single cooler from
Cleaning model, and switch to the first step refrigeration mode operation of self-cleaning pattern.
In the present embodiment, temperature measurement equipment is used to measure current indoor ambient temperature T, described temperature measurement equipment, position
The position of indoor temperature can be accurately measured, in order to accurately temperature value in measuring chamber in single cooler；Treat that single cooler is received from
After cleaning model signal, measure device measuring current indoor ambient temperature for start-up temperature.The indoor environment temperature that measurement is arrived
Degree contrasts with presetting the first indoor environment temperature, in order to judge whether whether current ambient temperature meets the fortune of self-cleaning pattern
OK.Described default first indoor environment temperature, for the ident value of the self-cleaning pattern that user is arranged in single cooler.Arrive if measuring
Indoor environment temperature less than or equal to when presetting the first indoor environment temperature, represent in current environment, it is impossible to meet self-cleaning
Condition.Indoor temperature is too low, it is impossible to meet the condition of the operations such as the refrigeration in self-cleaning and defrost.Or, at this Indoor Temperature
In degree, if making a forcible entry into the significant loss that self-cleaning pattern can cause single cooler accessory to run, so self-cleaning mould can not be entered
Formula is run.If measuring the indoor environment temperature arrived more than default first indoor environment temperature, under expression current environment, single cooler
Self-cleaning pattern can be started vaporizer and the related accessory of single cooler are done the process cleaned.Then be directly entered single cooler from
Cleaning model, and switch to the first step refrigeration mode operation of self-cleaning pattern.
Schematic flow sheet with reference to the 3rd embodiment of the vaporizer cleaning method that Fig. 3, Fig. 3 are single cooler of the present invention.Base
During refrigerating operaton under the embodiment of said method, described self-cleaning pattern and frosting run, also include:
Step S9, in refrigeration and frosting are run, measures indoor environment temperature in real time；
In self-cleaning pattern, during refrigerating operaton and frosting run, temperature measurement equipment is used to measure indoor environment in real time
Temperature.
Step S10, if current indoor ambient temperature less than preset the second indoor environment temperature, close outdoor compressor and
Outdoor fan, opening chamber's inner blower carries out defrost.
If measuring the indoor environment temperature arrived to be less than default second indoor environment temperature, in the most current running status, by
The lowest in room temperature, cause evaporimeter frosting abnormal or the most frosting in refrigerating operaton, it is contemplated that self-cleaning mode operation
Cleaning performance and the accessory running wastage of single cooler and the problem of energy consumption, the current method of operation need to be immediately switched to defrost
Mode operation.Described default second indoor environment temperature, for freezing under the self-cleaning pattern that user is arranged in single cooler and tying
The indoor temperature ident value that frost runs；Described first indoor environment temperature of presetting is more than default second indoor environment temperature；Described
Preset the first indoor environment temperature, arrange in single cooler for user, if the ident value of self-cleaning pattern can be run.
In the present embodiment, in self-cleaning pattern, during refrigerating operaton and frosting run, temperature measurement equipment is used to survey in real time
Amount indoor environment temperature.If measuring the indoor environment temperature arrived less than presetting the second indoor environment temperature, the most current operation shape
In state, owing to room temperature is the lowest, cause evaporimeter frosting abnormal or the most frosting in refrigerating operaton, it is contemplated that self-cleaning mould
Cleaning performance that formula is run and the accessory running wastage of single cooler and the problem of energy consumption, need to be immediately switched to the current method of operation
To defrost mode operation.Described default second indoor environment temperature, for making under the self-cleaning pattern that user is arranged in single cooler
The indoor temperature ident value that cold and frosting runs；Described first indoor environment temperature of presetting is more than default second indoor environment temperature
Degree；Described default first indoor environment temperature, is arranged in single cooler for user, if can run the mark of self-cleaning pattern
Knowledge value.
The executive agent of the vaporizer cleaning method of the single cooler of above-mentioned first to the 3rd embodiment can be all single cooler
Or have the electronic temperature control equipment of evaporator device.Further, the vaporizer cleaning method of this single cooler can be by being arranged on
Realizing in the electronic equipment associated with single cooler, the electronic equipment of described association includes but not limited to mobile phone, pad, notebook electricity
Brain etc..
The present invention further provides the evaporator washing unit of a kind of single cooler.
Functional module signal with reference to the first embodiment of the evaporator washing unit that Fig. 4, Fig. 4 are single cooler of the present invention
Figure.
In an embodiment, described device includes: opening module 10, closedown module 20 and cleaning module 30.
Opening module 10, enters vaporizer self-cleaning pattern for single cooler, opens compressor and outdoor fan refrigeration；
Receive the instruction of vaporizer automatically cleaning, operational mode current for single cooler is switched to self-cleaning pattern；Or, at list
Cold arranges self-cleaning trigger mechanism, calculates total run time, after the single cooler operation time reaches target duration, automatically cut
Change present mode of operation flash-pot self-cleaning pattern.The operational objective duration of described self-cleaning trigger mechanism, for user at list
The time arranged in cold system.After single cooler switches to vaporizer self-cleaning pattern, open compressor and outdoor fan system
Cold.And use heat exchanger surface temperature t in temperature measurement equipment measuring chamber；Described temperature measurement equipment, is built in single cooler
Near heat exchanger, in order to accurately measure heat exchanger surface temperature t.Described single cooler refrigeration mode runs, and changes in order to reduce indoor
The temperature on hot device surface, the indoor heat exchanger surface temperature arrived to be measured is less than preset value, then exit current refrigeration operation and proceed to
Frosting pattern；Or, after the refrigeration mode operational objective time, proceed to frosting mode operation.
Close module 20, if for indoor heat exchanger surface temperature t less than preset temperature t1, then evaporator surface frosting；
Measuring indoor heat exchanger temperature t arrived, if indoor heat exchanger temperature t is less than preset temperature t1, vaporizer starts knot
Frost, described preset temperature t1, runs heat exchange temperature after refrigeration for what user was arranged in single cooler in self-cleaning pattern
Peak.Single cooler is in frosting mode operation, according to the current frosting mode operation object time.The described object time, for
The normal frosting mode operation duration that family is arranged in single cooler；And start-up temperature measurement device measuring indoor heat exchanger surface temperature
Degree t, and with the operating of indoor heat exchanger surface temperature control indoor fan, in order to preferably complete the carrying out of evaporimeter frosting；
If measuring indoor heat exchanger temperature t arrived to be less than default indoor heat exchanger temperature value, represent in current frosting pattern
In, indoor heat exchanger surface temperature t is too low, is easily caused undue frosting, increases loss and the energy consumption of accessory, needs control room endogenous wind
Machine operates with minimum speed, indoor heat exchanger surface temperature is raised, and controls frosting situation, it is to avoid frosting is excessive.Described default
Indoor heat exchanger temperature value, during the self-cleaning pattern second step frosting arranged in single cooler for user runs, indoor heat exchange
The minimum temperature numerical value of device temperature.
If measuring indoor heat exchanger surface temperature t arrived to be more than or equal to preset indoor heat exchanger temperature value, represent current
Indoor heat exchanger surface temperature t have been over frosting in self-cleaning and run the ident value of lower indoor heat exchanger, stop indoor
The operation of blower fan, makes the temperature of indoor heat exchanger reduce, and promotes the carrying out of evaporimeter frosting.
Described closedown module 20, is additionally operable in Frost formation process, when indoor heat exchanger surface temperature t is less than preset temperature t2
Time, close compressor and outdoor fan；
During evaporimeter frosting, when measuring indoor heat exchanger temperature t arrived less than default indoor heat exchanger temperature t2, represent and work as
Front evaporator frosting is complete, in this case, close compressor and outdoor fan, stop frosting；And opening chamber's endogenous wind
Machine carries out the operation of defrost, by the white high temperature melt become by vaporizer cryogenic temperature condensation, uses the water after melting to enter vaporizer
Row cleaning, is i.e. evaporated the cleaning process of device.
Cleaning module 30, carries out defrost for opening chamber's inner blower, is cleaned vaporizer, in advance by the water produced after defrost
If temperature t2 is less than preset temperature t1.
In defrost pattern, direct close compressor and outdoor fan, opening chamber's inner blower.During to adjust frosting pattern
The surface temperature of indoor heat exchanger, enters the process of defrost in order to control vaporizer；And in using temperature measurement equipment measuring chamber
Heat exchange temperature t, if indoor heat exchanger temperature t runs the lower heat exchange temperature preset more than defrost, represents when front evaporator
Frost has not also been changed, i.e. the cleaning of vaporizer is also not fully complete, and present mode of operation need to be maintained constant；If measuring indoor heat exchanger temperature
Degree t is more than presetting defrost heat exchange temperature, and in that case, the frost of vaporizer has been changed, and vaporizer has cleaned, if protecting
Hold present mode of operation to damage the accessories such as vaporizer and increase energy consumption, need to directly exit defrost pattern；Or, run in defrost
After Preset Time, terminating self-cleaning pattern, described defrost runs Preset Time, for the maximum duration needed for defrost, user exists
Single cooler system arranges this Preset Time.
Further, described cleaning module 30, it is additionally operable in the operation of vaporizer self-cleaning pattern, each operational mode
The operation time reach Preset Time after, directly switch next operational mode run.
Single cooler is in self-cleaning pattern, it is contemplated that the loss problem of the accessory of energy consumption, each fortune under self-cleaning pattern
Row step, including under refrigeration, frosting and defrost pattern, after each mode operation time meets Preset Time, automatically switches to down
One operational mode is run；Described Preset Time is that user is arranged in single cooler, it is contemplated that the effect of self-cleaning and energy consumption and
Under the problem of accessory loss, the operation maximum duration of each operational mode.Such as, the operation of the refrigeration of setting, frosting and defrost
Preset Time is 10 minutes, 15 minutes 10 minutes, under this kind arranges the time, in current self-cleaning pattern, and refrigerating operaton mould
After full 10 minutes of formula, it is directly switch in frosting, makes evaporimeter frosting, and after frosting 15 minutes, close compressor and outdoor
Blower fan, and opening chamber's inner blower carries out defrost pattern, after defrost runs 10 minutes, exits current self-cleaning pattern.
In the present embodiment, by the operation of self-cleaning pattern, it is achieved the automatic cleaning to vaporizer of single cooler, with non-evaporating
Send out the material buildup such as device heap dust and too much affect user's body health, decrease the accessory loss that single cooler is in operation, and
Reduce energy consumption.
Functional module signal with reference to the second embodiment of the evaporator washing unit that Fig. 5, Fig. 5 are single cooler of the present invention
Figure, including detection module 40, contrast module 50 and judge module 60.
Detection module 40, is used for detecting indoor environment temperature；
Use temperature measurement equipment to measure current indoor ambient temperature T, described temperature measurement equipment, be positioned at energy in single cooler
Enough it is accurately measured the position of indoor temperature, in order to accurately temperature value in measuring chamber；Treat that single cooler is received from cleaning model signal
After, measure device measuring current indoor ambient temperature for start-up temperature.
Contrast module 50, for the indoor environment temperature that will be detected and the first indoor environment temperature contrast preset；
Indoor environment temperature measurement arrived contrasts with presetting the first indoor environment temperature, in order to judge whether current ring
Whether border temperature meets the operation of self-cleaning pattern.Described default first indoor environment temperature, is arranged in single cooler for user
The ident value of self-cleaning pattern.
Judge module 60, if for indoor environment temperature less than or equal to the first indoor environment temperature preset, then judging
Not met enters the condition of vaporizer self-cleaning pattern, maintains present mode of operation constant；
If measure the indoor environment temperature arrived less than or equal to default first indoor environment temperature, represent current environment
In, it is impossible to meet the condition of self-cleaning.Indoor temperature is too low, it is impossible to meet the bar of the operations such as the refrigeration in self-cleaning and defrost
Part.Or, in this indoor temperature, if making a forcible entry into the significant loss that self-cleaning pattern can cause single cooler accessory to run, institute
Run can not enter in self-cleaning pattern.Described preset the first indoor environment temperature, arranges in single cooler for user oneself
Clean the most bootable temperature value, self-cleaning pattern can be started in a secure environment in order to judging whether.
Described judge module 60, if being additionally operable to indoor environment temperature to be more than the first indoor environment temperature preset, then judges
Meet the condition entering vaporizer self-cleaning pattern, enter vaporizer self-cleaning pattern.
If measuring the indoor environment temperature arrived more than default first indoor environment temperature, under expression current environment, single cooler
Self-cleaning pattern can be started vaporizer and the related accessory of single cooler are done the process cleaned.Then be directly entered single cooler from
Cleaning model, and switch to the first step refrigeration mode operation of self-cleaning pattern.
Further, described detection module 40, it is additionally operable in refrigeration and frosting are run, detection indoor environment temperature in real time
Degree；
In self-cleaning pattern, during refrigerating operaton and frosting run, temperature measurement equipment is used to measure indoor environment in real time
Temperature.
Described closedown module 20, if being additionally operable to current indoor ambient temperature less than the second indoor environment temperature preset, pass
Closing outdoor compressor and outdoor fan, opening chamber's inner blower carries out defrost.
If measuring the indoor environment temperature arrived to be less than default second indoor environment temperature, in the most current running status, by
The lowest in room temperature, cause evaporimeter frosting abnormal or the most frosting in refrigerating operaton, it is contemplated that self-cleaning mode operation
Cleaning performance and the accessory running wastage of single cooler and the problem of energy consumption, the current method of operation need to be immediately switched to defrost
Mode operation.Described default second indoor environment temperature, for freezing under the self-cleaning pattern that user is arranged in single cooler and tying
The indoor temperature ident value that frost runs；Described first indoor environment temperature of presetting is more than default second indoor environment temperature；Described
Preset the first indoor environment temperature, arrange in single cooler for user, if the ident value of self-cleaning pattern can be run.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. the vaporizer cleaning method of a single cooler, it is characterised in that said method comprising the steps of:
Single cooler enters vaporizer self-cleaning pattern, opens compressor and outdoor fan refrigeration；
If indoor heat exchanger surface temperature t is less than preset temperature t1, then evaporator surface frosting；
In Frost formation process, when indoor heat exchanger surface temperature t is less than preset temperature t2, close compressor and outdoor fan, open
Opening indoor fan and carry out defrost, cleaned vaporizer by the water produced after defrost, preset temperature t2 is less than preset temperature t1.
2. the vaporizer cleaning method of single cooler as claimed in claim 1, it is characterised in that described single cooler switches to from clear
Mold cleaning formula, before opening compressor and outdoor fan refrigeration, also includes:
Detection indoor environment temperature, and contrast with the first default indoor environment temperature；
If indoor environment temperature is less than or equal to the first indoor environment temperature preset, then judge that not met enters vaporizer from clear
The condition of mold cleaning formula, maintains present mode of operation constant；
If indoor environment temperature is more than the first indoor environment temperature preset, then judge to meet entrance vaporizer self-cleaning pattern
Condition, enters vaporizer self-cleaning pattern.
3. the vaporizer cleaning method of single cooler as claimed in claim 1, it is characterised in that in described frosting pattern, work as room
When interior heat exchanger surface temperature t is less than preset temperature t2, close compressor and outdoor fan, opening chamber's inner blower carries out defrost,
After vaporizer being cleaned by the water produced after defrost, also include:
After defrost runs Preset Time, exit vaporizer self-cleaning pattern.
4. the vaporizer cleaning method of single cooler as claimed in claim 1, it is characterised in that also include:
In refrigeration and frosting are run, measure indoor environment temperature in real time, if current indoor ambient temperature is less than second preset
Indoor environment temperature, closes outdoor compressor and outdoor fan, and opening chamber's inner blower carries out defrost.
5. the vaporizer cleaning method of the single cooler as described in any one of Claims 1-4, it is characterised in that also include:
In the operation of vaporizer self-cleaning pattern, after the operation time of present mode of operation reaches Preset Time, under switching
One operational mode is run.
6. the evaporator washing unit of a single cooler, it is characterised in that including:
Opening module, enters vaporizer self-cleaning pattern for single cooler, opens compressor and outdoor fan refrigeration；
Close module, if for indoor heat exchanger surface temperature t less than preset temperature t1, then evaporator surface frosting；Close mold closing
Block is additionally operable to
In Frost formation process, when indoor heat exchanger surface temperature t is less than preset temperature t2, close compressor and outdoor fan；
Cleaning module, carries out defrost for opening chamber's inner blower, is cleaned vaporizer by the water produced after defrost, preset temperature
T2 is less than preset temperature t1.
7. the evaporator washing unit of single cooler as claimed in claim 6, it is characterised in that including:
Detection module, is used for detecting indoor environment temperature；
Contrast module, for the indoor environment temperature that will be detected and the first indoor environment temperature contrast preset；
Judge module, if for indoor environment temperature less than or equal to the first indoor environment temperature preset, then judging not met
Enter the condition of vaporizer self-cleaning pattern, maintain present mode of operation constant；If being additionally operable to indoor environment temperature more than presetting
The first indoor environment temperature, then judge meet enter vaporizer self-cleaning pattern condition, enter vaporizer self-cleaning pattern.
8. the evaporator washing unit of single cooler as claimed in claim 7, it is characterised in that described closedown module, is additionally operable to
After defrost runs Preset Time, exit vaporizer self-cleaning pattern.
9. the evaporator washing unit of single cooler as claimed in claim 6, it is characterised in that described detection module, is additionally operable to
In refrigeration and frosting are run, measure indoor environment temperature in real time, if current indoor ambient temperature is indoor less than second preset
Ambient temperature, closes outdoor compressor and outdoor fan, and opening chamber's inner blower carries out defrost.
10. the evaporator washing unit of the single cooler as described in any one of claim 6 to 9, it is characterised in that described cleaning mould
Block, is additionally operable in the operation of vaporizer self-cleaning pattern, after the operation time of each operational mode reaches Preset Time, directly
Switch next operational mode to run.
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