CN106369740A - Self-cleaning control method for air conditioning evaporator and device - Google Patents
Self-cleaning control method for air conditioning evaporator and device Download PDFInfo
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- CN106369740A CN106369740A CN201610712089.3A CN201610712089A CN106369740A CN 106369740 A CN106369740 A CN 106369740A CN 201610712089 A CN201610712089 A CN 201610712089A CN 106369740 A CN106369740 A CN 106369740A
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Abstract
The invention discloses a self-cleaning control method for an air conditioning evaporator. The method comprises the following steps of: after an air conditioner enters an evaporator self-cleaning mode, detecting a control command which switches the air conditioner to other modes to operate; after detecting the control command which switches the air conditioner to other modes to operate, controlling an outdoor unit to stop operating, and controlling an indoor unit to operate according to a predetermined rotating speed; and after the air conditioner satisfies the condition of being switched to other modes, controlling the air conditioners to be switched to other modes to operate. The invention further discloses a self-cleaning control device for the air conditioning evaporator. The method and device disclosed by the invention provide more accurate control of an air guide strip of the air conditioning evaporator which is self-cleaned according to the user need and the previous operating mode, thereby further providing a more comfortable environment for the user.
Description
Technical field
The present invention relates to the self-cleaning control method of air-conditioning technical field, more particularly, to A/C evaporator and device.
Background technology
During operation of air conditioner, vaporizer can be entered from clearly according to the control based on remote control or other control devices
Clean, automatically cleaning is carried out it is ensured that the cleannes of air-conditioning to the vaporizer of air-conditioning, provides the user comfortable environment.At present, in air-conditioning
Vaporizer automatically cleaning during, if receiving the instruction exiting automatically cleaning pattern, switch to other patterns (for example, refrigeration or
Heat) run, other mode operations can be directly switch into.But air-conditioning using effect can be affected under this mode, for example, from clearly
When clean stage is mismatched with other patterns, can easily cause that A/C evaporator persistently freezes or indoor fan is blown a cold wind over or hot blast
Situation, with needed for user mismatch.Therefore, because directly from automatically cleaning pattern switching to other mode operations in prior art,
Pattern switching cannot be carried out according to user's request, comfort of air conditioner is poor, or even air-conditioning fault can be caused.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
Content of the invention
Present invention is primarily targeted at providing a kind of self-cleaning control method of A/C evaporator and device it is intended to solve
Because directly switching other mode operations it is impossible to carry out pattern switching according to user's request from automatically cleaning in prior art, air-conditioning relaxes
Appropriateness is poor, or even the problem that can cause air-conditioning fault.
For achieving the above object, the self-cleaning control method of a kind of A/C evaporator that the present invention provides, including step:
After air-conditioning enters vaporizer automatically cleaning pattern, detecting switches the control instruction of other mode operations；
After detecting the control instruction switching other mode operations, control off-premises station out of service, and control indoor set
Run according to preset rotation speed；
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
Preferably, described control off-premises station out of service, and control indoor set according to preset rotation speed operation after, also wrap
Include:
Obtain the surface temperature of vaporizer；
Judge whether the surface temperature of described vaporizer is more than the first preset temperature；
When the surface temperature of described vaporizer is more than the first preset temperature, judges that described air-conditioning meets and switch other patterns
Condition.
Preferably, described control off-premises station out of service, and control indoor set according to preset rotation speed operation after, also wrap
Include:
Obtain the surface temperature of vaporizer；
Judge whether the surface temperature of described vaporizer is more than the second preset temperature, described first preset temperature is more than second
Preset temperature；
When the surface temperature of described vaporizer is more than the second preset temperature, and when run time exceedes Preset Time, sentence
Fixed described air-conditioning meets the condition switching other patterns.
Preferably, after described detecting switches the control instruction of other mode operations, also include:
After detecting the control instruction switching other mode operations, it is obtained from the cleaning mode current operation phase；
When the current operation phase being the frosting stage, control off-premises station out of service, and control indoor set to turn according to default
Speed is run；
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
Preferably, after described detecting switches the control instruction of other mode operations, also include:
After detecting the control instruction switching other mode operations, it is obtained from the cleaning mode current operation phase；
When the current operation phase being refrigeration or defrost stage, judge the operation shape in the automatically cleaning current operation phase for the air-conditioning
Whether state is consistent with the running status under other patterns；
If inconsistent, after controlling off-premises station to shut down operation setting time, switch to other mode operations.
Additionally, for achieving the above object, the present invention also provides a kind of A/C evaporator self-cleaning control device, comprising:
Detecting module, for, after air-conditioning enters vaporizer automatically cleaning pattern, detecting switches the control of other mode operations
Instruction；
Control module, out of service for after detecting the control instruction switching other mode operations, controlling off-premises station,
And control indoor set to run according to preset rotation speed；Control module is additionally operable to
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
Preferably, also include:
Acquisition module, for obtaining the surface temperature of vaporizer；
Judge module, whether the surface temperature for judging described vaporizer is more than the first preset temperature；
Determination module, for when the surface temperature of described vaporizer is more than the first preset temperature, judging that described air-conditioning is full
Foot switches the condition of other patterns.
Preferably, described judge module, is additionally operable to judge whether the surface temperature of described vaporizer is default warm more than second
Degree, described first preset temperature is more than the second preset temperature；
Described determination module, is additionally operable to when the surface temperature of described vaporizer is more than the second preset temperature, and when running
Between when exceeding Preset Time, judge that described air-conditioning meets the condition switching other patterns.
Preferably, described acquisition module, is additionally operable to, after detecting the control instruction switching other mode operations, be obtained from
The cleaning mode current operation phase；
Control module, out of service for when the current operation phase being the frosting stage, controlling off-premises station, and control interior
Machine runs according to preset rotation speed；Control module is additionally operable to
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
Preferably, described judge module, is additionally operable to
When the current operation phase being refrigeration or defrost stage, judge the operation shape in the automatically cleaning current operation phase for the air-conditioning
Whether state is consistent with the running status under other patterns；
Described control module, if being additionally operable to inconsistent, after controlling off-premises station to shut down operation setting time, switches to other
Mode operation.
The present invention passes through first to control off-premises station out of service during exiting automatically cleaning, and controls indoor set according to default
Rotating speed runs, and meet the condition switching other patterns in described air-conditioning after, controls air-conditioning to switch other mode operations.From automatically cleaning
Being withdrawn into other patterns of switching has a buffer stage, is prevented effectively from prior art and directly switches other patterns fortune from automatically cleaning
, it is impossible to carry out pattern switching according to user's request, comfort of air conditioner is poor, or even can cause the problem of air-conditioning fault, improves for row
Comfort of air conditioner.
Brief description
Fig. 1 is the schematic flow sheet of the first embodiment of the self-cleaning control method of A/C evaporator of the present invention；
Fig. 2 is to judge in one embodiment of the invention that air-conditioning meets the schematic flow sheet of the condition switching other patterns；
Fig. 3 is to judge in another embodiment of the present invention that air-conditioning meets the schematic flow sheet of the condition switching other patterns；
Fig. 4 is the schematic flow sheet of the fourth embodiment of the self-cleaning control method of A/C evaporator of the present invention；
Fig. 5 is the schematic flow sheet of the 5th embodiment of the self-cleaning control method of A/C evaporator of the present invention；
Fig. 6 is the high-level schematic functional block diagram of the first embodiment of the self-cleaning control device of A/C evaporator of the present invention；
Fig. 7 is the high-level schematic functional block diagram of the second embodiment of the self-cleaning control device of A/C evaporator 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 below in conjunction with the accompanying drawing in the embodiment of the present invention, entering to the technical scheme in the embodiment of the present invention
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of the present invention to row rather than whole
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of not making creative work
The every other embodiment obtaining, broadly falls into the scope of protection of the invention.
With reference to Fig. 1, Fig. 1 is that the flow process of the first embodiment of the self-cleaning control method of A/C evaporator of the present invention is illustrated
Figure.
In one embodiment, the self-cleaning control method of described A/C evaporator includes:
Step s10, after air-conditioning enters vaporizer automatically cleaning pattern, detecting switches the control instruction of other mode operations；
In the present embodiment, air-conditioning receives control instruction, enters vaporizer automatically cleaning, the vaporizer of air-conditioning is carried out automatically
Cleaning.During automated cleaning, air conditioner includes four-stage: refrigeration, frosting, defrost and high temperature drying, and single cooler includes
Three phases, refrigeration, frosting and defrost stage, the defrost stage is indoor fan air-supply defrost.By aforementioned four or three ranks
Section completes the automatically cleaning process of air-conditioning.After air-conditioning enters vaporizer automatically cleaning, the control that detecting switches other mode operations refers to
Order, other patterns described can be refrigeration mode or heating mode etc..The control instruction of described other mode operations of switching is permissible
Be user pass through air-conditioner controller (for example, remote control or mobile phone etc.) send or according to air-conditioning indoor temperature with default
During temperature (for example, 26 degree or 27 degree etc. are arranged according to user's request) coupling, automatically send.
Step s20, after detecting the control instruction switching other mode operations, controls off-premises station out of service, and controls
Indoor set processed runs according to preset rotation speed；
It is meant that needing to exit vaporizer automatically cleaning pattern after detecting the control instruction switching other mode operations,
Switch other patterns, now control off-premises station out of service, i.e. control compressor and outdoor fan to run, not to indoor environment
Carry out heat exchange operation, first exit vaporizer automatically cleaning pattern, run with off-premises station halted state, and indoor fan runs, eliminate
Under automatically cleaning pattern, operation of air conditioner is to the switching impact to indoor environment for other patterns, for example, the vaporizer that the frosting stage brings
Cold wind that frosting, the hot blast that the defrost stage brings or refrigeration were brought with the frosting stage etc..Described preset rotation speed can be low speed, in
Speed or high speed；It is preferably low speed in the present embodiment, low speed is operated in by indoor fan, to room under eliminating automatically cleaning pattern
On the premise of the impact of interior environment, avoid discomfort indoor user being caused in this stage as far as possible.
Step s30, meet the condition switching other patterns in described air-conditioning after, controls air-conditioning to switch to other patterns fortune
OK.
Controlling off-premises station to shut down, after indoor set is with preset rotation speed operation, is judging whether described air-conditioning meets and switch other
The condition of pattern；Can be evaporator surface temperature or control off-premises station shutdown to the described judgement meeting condition, indoor set is transported
This state duration turning is judging.After described air-conditioning meets the condition of other patterns of switching, control air-conditioning switching
To other mode operations.For example, switch to refrigeration or heating mode runs, adjust indoor temperature.The present embodiment passes through exiting
First control off-premises station out of service during automatically cleaning, and control indoor set to run according to preset rotation speed, meet in described air-conditioning
After switching the condition of other patterns, air-conditioning is controlled to switch to other mode operations.It is withdrawn into other moulds of switching from automatically cleaning pattern
Formula has a buffer stage, is prevented effectively from prior art directly from automatically cleaning pattern switching to other mode operations it is impossible to root
Carry out pattern switching according to user's request, comfort of air conditioner is poor, or even the problem of air-conditioning fault can be caused, improve air-conditioning comfortable
Degree.
In a preferred embodiment of the present invention, with reference to Fig. 2, described air-conditioning meets the process bag of the condition switching other patterns
Include: step s21, obtain the surface temperature of vaporizer；The surface temperature of vaporizer is attached by being arranged on evaporator surface or surface
Near temperature sensor records, or is calculated according to the wind of air outlet of indoor set blowout, the wind of the blowout of air outlet
There is reduction formula between temperature and the surface temperature of vaporizer, be calculated the surface temperature of vaporizer by reduction formula.
Step s22, judges whether the surface temperature of described vaporizer is more than the first preset temperature；Described first preset temperature
For the temperature arranging in advance, according to performance of evaporator and heat pump performance setting, for example, it is 12 degree or 15 degree etc..Getting
After stating the surface temperature of vaporizer, the surface temperature of described vaporizer is compared with the first preset temperature, to judge described evaporation
Whether the surface temperature of device is more than the first preset temperature.
Step s23, when the surface temperature of described vaporizer is more than the first preset temperature, judges that described air-conditioning meets switching
The condition of other patterns.After the surface temperature of described vaporizer is more than the first preset temperature, acquiescence air-conditioning is in normal condition
Under, now do not interfere with air-conditioning and switch to other patterns, judge that described air-conditioning meets the condition switching other patterns.
Further, in a preferred embodiment of the present invention, with reference to Fig. 3, described air-conditioning meets the bar switching other patterns
The process of part includes:
Step s24, obtains the surface temperature of vaporizer；
Step s25, judges whether the surface temperature of described vaporizer is more than the second preset temperature, described first preset temperature
More than the second preset temperature；Described second preset temperature is according to performance of evaporator and heat pump performance setting and described second pre-
If temperature is less than the first preset temperature；Described second preset temperature can be 3 degree or 5 degree or 10 degree etc.；Getting vaporizer
Surface temperature after, the surface temperature of described vaporizer is compared with the second preset temperature；To judge the surface of described vaporizer
Whether temperature is more than the second preset temperature；Or after described evaporator surface temperature is less than the first preset temperature, by described steaming
The surface temperature sending out device is compared with the second preset temperature；It is warm so that whether the surface temperature judging described vaporizer is preset more than second
Degree.
Step s26, when the surface temperature of described vaporizer is more than the second preset temperature, and when run time exceedes default
Between when, judge that described air-conditioning meets the condition switching other patterns.It is more than the second default temperature in the surface temperature of described vaporizer
When spending, and when exceeding Preset Time more than the run time of the state of the second preset temperature, judge that described air-conditioning meets and switch it
The condition of his pattern.Described Preset Time can be with 5 minutes or 8 minutes etc., according to user's request or performance of evaporator setting.Here
Judge that the scheme of the condition that described air-conditioning satisfaction switches other patterns can be judged together with the first preset temperature, i.e. in evaporation
The surface temperature of device is not more than the first preset temperature always, and has been more than the second preset temperature, can be by being in more than second
The run time of preset temperature meets the condition switching other patterns judging described air-conditioning；Can also be separately pre- according to first
If temperature and the second preset temperature judge whether air-conditioning meets the condition switching other patterns, arranged according to user's request.Sentencing
After determining the condition that air-conditioning is unsatisfactory for switching other patterns, current outdoor machine is maintained to shut down, the shape that indoor set is run with preset rotation speed
State, continues to monitor the surface temperature of vaporizer, to judge whether to meet the condition switching other mode operations.
In the embodiment of the present invention, under vaporizer automatically cleaning pattern, can there are multiple operation phase in air-conditioning, different operation
The state of stage air-conditioning is different, is exiting automatically cleaning pattern, the situation switching other mode operations is also different, in order to preferably control
Operation of air conditioner processed, improves comfort of air conditioner.With reference to Fig. 4, in a preferred embodiment of the present invention, described detecting switches other patterns
After the control instruction run, also include:
Step s40, after detecting the control instruction switching other mode operations, is obtained from cleaning mode and currently runs rank
Section；
Step s50, when the current operation phase being the frosting stage, controls off-premises station out of service, and controls indoor set to press
Run according to preset rotation speed；
Step s60, meet the condition switching other patterns in described air-conditioning after, controls air-conditioning to switch to other patterns fortune
OK.
Under vaporizer automatically cleaning pattern, can there are multiple operation phase in air-conditioning, including refrigeration, frosting, defrost and/or height
In the stages such as temperature drying, after detecting the control instruction switching other mode operations, obtain air-conditioning automatically cleaning pattern and currently run
Stage, when the current operation phase being the frosting stage, evaporator surface frosting, if now switching refrigeration or heating mode,
All air-conditioning can be impacted, for example, when switching refrigeration mode, evaporator temperature is too low, and indoor set can report evaporator freeze
Fault, shuts down and runs, and impact uses；When switching heating mode, because evaporator temperature is too low, in order to prevent to indoor blowout
Cold wind, indoor set can stop operating, and bring up frost and do not change for a long time.Now need to control off-premises station out of service, and control interior
Machine runs according to preset rotation speed；After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other patterns
Run.
Further, in a preferred embodiment of the present invention, in order to ensure the air-conditioning life-span, improve comfort of air conditioner.Reference
Fig. 5, after detecting switches the control instruction of other mode operations, also includes:
Step s70, after detecting the control instruction switching other mode operations, is obtained from cleaning mode and currently runs rank
Section；
Step s80, when the current operation phase being refrigeration or defrost stage, judges air-conditioning in the automatically cleaning current operation phase
Running status whether consistent with the running status under other patterns；
Step s90, if inconsistent, after controlling off-premises station to shut down operation setting time, switches other mode operations.
When operation phase is to freeze or heat defrost or open indoor set defrost under automatically cleaning pattern, judge air-conditioning certainly
Whether the running status cleaning the current operation phase is consistent with the running status under other patterns, for example, in the current operation phase
Required for cooling stages, air-conditioning, other patterns of switching are refrigeration, then be judged as consistent；If consistent, can directly switch it
His pattern；If inconsistent, after controlling off-premises station to shut down operation setting time, switch other mode operations.For example, exit from clearly
Operation phase when clean is refrigeration, and other patterns of switching are to heat, and in order to protect compressor, needs to shut down and runs setting time
(for example, being arranged according to heat pump performance and/or user's request within 3 minutes or 5 minutes etc.).
The present invention further provides a kind of self-cleaning control device of A/C evaporator.The self-cleaning control of this A/C evaporator
Device processed is used for realizing said method.
With reference to Fig. 6, Fig. 6 is that the functional module of the first embodiment of the self-cleaning control device of A/C evaporator of the present invention is shown
It is intended to.
In one embodiment, the self-cleaning control device of described A/C evaporator includes: detecting module 10 and control module
20.
Described detecting module 10, for, after air-conditioning enters vaporizer automatically cleaning pattern, detecting switches other mode operations
Control instruction；
In the present embodiment, air-conditioning receives control instruction, enters vaporizer automatically cleaning, the vaporizer of air-conditioning is carried out automatically
Cleaning.During automated cleaning, air conditioner includes four-stage: refrigeration, frosting, defrost and high temperature drying, and single cooler includes
Three phases, refrigeration, frosting and defrost stage, the defrost stage is indoor fan air-supply defrost.By aforementioned four or three ranks
Section completes the automatically cleaning process of air-conditioning.After air-conditioning enters vaporizer automatically cleaning, the control that detecting switches other mode operations refers to
Order, other patterns described can be refrigeration mode or heating mode etc..The control instruction of described other mode operations of switching is permissible
Be user pass through air-conditioner controller (for example, remote control or mobile phone etc.) send or according to air-conditioning indoor temperature with default
During temperature (for example, 26 degree or 27 degree etc. are arranged according to user's request) coupling, automatically send.
Described control module 20, for after detecting the control instruction switching other mode operations, controlling off-premises station to stop
Only run, and control indoor set to run according to preset rotation speed；
It is meant that needing to exit vaporizer automatically cleaning pattern after detecting the control instruction switching other mode operations,
Switch other patterns, now control off-premises station out of service, i.e. control compressor and outdoor fan to run, not to indoor environment
Carry out heat exchange operation, first exit vaporizer automatically cleaning pattern, run with off-premises station halted state, and indoor fan runs, eliminate
Under automatically cleaning pattern, operation of air conditioner is to the switching impact to indoor environment for other patterns, for example, the vaporizer that the frosting stage brings
Cold wind that frosting, the hot blast that the defrost stage brings or refrigeration were brought with the frosting stage etc..Described preset rotation speed can be low speed, in
Speed or high speed；It is preferably low speed in the present embodiment, low speed is operated in by indoor fan, to room under eliminating automatically cleaning pattern
On the premise of the impact of interior environment, avoid discomfort indoor user being caused in this stage as far as possible.
Described control module 20, is additionally operable to, after described air-conditioning meets the condition of other patterns of switching, control air-conditioning switching
To other mode operations.
Controlling off-premises station to shut down, after indoor set is with preset rotation speed operation, is judging whether described air-conditioning meets and switch other
The condition of pattern；Can be evaporator surface temperature or control off-premises station shutdown to the described judgement meeting condition, indoor set is transported
This state duration turning is judging.After described air-conditioning meets the condition of other patterns of switching, control air-conditioning switching
To other mode operations.For example, switching refrigeration or heating mode run, and adjust indoor temperature.The present embodiment passes through exiting certainly
First control off-premises station out of service during cleaning, and control indoor set to run according to preset rotation speed, meet in described air-conditioning and cut
After changing the condition of other patterns, air-conditioning is controlled to switch other mode operations.It is withdrawn into from automatically cleaning pattern and switch to other patterns
There is a buffer stage, be prevented effectively from prior art and directly switch to other mode operations it is impossible to according to user from automatically cleaning
Demand carries out pattern switching, and comfort of air conditioner is poor, or even can cause the problem of air-conditioning fault, improves comfort of air conditioner.
In a preferred embodiment of the present invention, with reference to Fig. 7, also include: acquisition module 30, judge module 40 and determination module
50,
Described acquisition module 30, for obtaining the surface temperature of vaporizer；The surface temperature of vaporizer is by being arranged on steaming
Send out device surface or the temperature sensor of near surface records, or be calculated according to the wind of air outlet of indoor set blowout, go out
There is reduction formula between the temperature of the wind of the blowout in air port and the surface temperature of vaporizer, steaming is calculated by reduction formula
Send out the surface temperature of device.
Described judge module 40, whether the surface temperature for judging described vaporizer is more than the first preset temperature；Described
First preset temperature is the temperature arranging in advance, according to performance of evaporator and heat pump performance setting, for example, is 12 degree or 15 degree
Deng.After the surface temperature getting described vaporizer, the surface temperature of described vaporizer is compared with the first preset temperature, with
Judge whether the surface temperature of described vaporizer is more than the first preset temperature.
Described determination module 50, for when the surface temperature of described vaporizer is more than the first preset temperature, judging described
Air-conditioning meets the condition switching other patterns.After the surface temperature of described vaporizer is more than the first preset temperature, give tacit consent to air-conditioning
It is under normal condition, does not now interfere with air-conditioning and switch to other patterns, judge that described air-conditioning meets and switch other patterns
Condition.
Further, described judge module 40, is additionally operable to judge whether the surface temperature of described vaporizer is pre- more than second
If temperature, described first preset temperature is more than the second preset temperature；Described second preset temperature is according to performance of evaporator and sky
Tonality can be arranged, and described second preset temperature is less than the first preset temperature；Described second preset temperature can be 3 degree or 5 degree
Or 10 degree etc.；After getting the surface temperature of vaporizer, the surface temperature of described vaporizer is compared with the second preset temperature；
Whether the second preset temperature is more than with the surface temperature judging described vaporizer；Or it is less than the in described evaporator surface temperature
After one preset temperature, the surface temperature of described vaporizer is compared with the second preset temperature；To judge the surface of described vaporizer
Whether temperature is more than the second preset temperature.
Described determination module 50, is additionally operable to when the surface temperature of described vaporizer is more than the second preset temperature, and runs
When time exceedes Preset Time, judge that described air-conditioning meets the condition switching other patterns.Surface temperature in described vaporizer
During more than the second preset temperature, and when exceeding Preset Time more than the run time of the state of the second preset temperature, judge described
Air-conditioning meets the condition switching other patterns.Described Preset Time can be with 5 minutes or 8 minutes etc., according to user's request or evaporation
Device performance is arranged.Here judge that the scheme of the condition that described air-conditioning satisfaction switches other patterns can be together with the first preset temperature
Judge, i.e. be not more than the first preset temperature always in the surface temperature of vaporizer, and be more than the second preset temperature, Ke Yitong
Cross and be in judge that described air-conditioning meets the condition switching other patterns more than the run time of the second preset temperature；Can also be
Separately judge whether air-conditioning meets the condition switching other patterns according to the first preset temperature and the second preset temperature, according to user
Demand is arranged.After judging the condition that air-conditioning is unsatisfactory for switching other patterns, current outdoor machine is maintained to shut down, indoor set is with default
The state that rotating speed runs, continues to monitor the surface temperature of vaporizer, to judge whether to meet the condition switching other mode operations.
In the embodiment of the present invention, under vaporizer automatically cleaning pattern, can there are multiple operation phase in air-conditioning, different operation
The state of stage air-conditioning is different, is exiting automatically cleaning pattern, the situation switching other mode operations is also different, in order to preferably control
Operation of air conditioner processed, improves comfort of air conditioner.Described acquisition module 10, is additionally operable to detecting the control switching other mode operations
After instruction, it is obtained from the cleaning mode current operation phase；
Described control module 20, out of service for when the current operation phase being the frosting stage, controlling off-premises station, and control
Indoor set processed runs according to preset rotation speed；Control module 20 is additionally operable to
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
Under vaporizer automatically cleaning pattern, can there are multiple operation phase in air-conditioning, including refrigeration, frosting, defrost and/or height
In the stages such as temperature drying, after detecting the control instruction switching other mode operations, obtain air-conditioning automatically cleaning pattern and currently run
Stage, when the current operation phase being the frosting stage, evaporator surface frosting, if now switching refrigeration or heating mode,
All air-conditioning can be impacted, for example, when switching refrigeration mode, evaporator temperature is too low, and indoor set can report evaporator freeze
Fault, shuts down and runs, and impact uses；When switching heating mode, because evaporator temperature is too low, in order to prevent to indoor blowout
Cold wind, indoor set can stop operating, and bring up frost and do not change for a long time.Now need to control off-premises station out of service, and control interior
Machine runs according to preset rotation speed；After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other patterns
Run.
Further, in order to ensure the air-conditioning life-span, improve judge module 40 described in comfort of air conditioner, be additionally operable to transport current
Row order section is refrigeration or during the defrost stage, judge air-conditioning the automatically cleaning current operation phase running status whether with other patterns
Under running status consistent；
Described control module 20, if being additionally operable to inconsistent, after controlling off-premises station to shut down operation setting time, switches other
Mode operation.
When operation phase is to freeze or heat defrost or open indoor set defrost under automatically cleaning pattern, judge air-conditioning certainly
Whether the running status cleaning the current operation phase is consistent with the running status under other patterns, for example, in the current operation phase
Required for cooling stages, air-conditioning, other patterns of switching are refrigeration, then be judged as consistent；If consistent, can be directly switch into
Other patterns；If inconsistent, after controlling off-premises station to shut down operation setting time, switch to other mode operations.For example, exit
Operation phase during automatically cleaning is refrigeration, and other patterns of switching are to heat, and in order to protect compressor, needs shutdown to run and sets
Time (for example, is arranged) for 3 minutes or 5 minutes etc. according to heat pump performance and/or user's request.
The present invention also provides a kind of air-conditioning, and the self-cleaning control device of above-mentioned A/C evaporator is used in this air-conditioning.Institute
State air-conditioner and include the indispensability hardware such as indoor set, off-premises station, airduct.This air-conditioning passes through first control room during exiting automatically cleaning
Outer machine is out of service, and controls indoor set to run according to preset rotation speed, meet the condition switching other patterns in described air-conditioning after,
Air-conditioning is controlled to switch to other mode operations.It is withdrawn into from automatically cleaning pattern and switches to other patterns and have a buffer stage, have
Effect avoids directly cutting from automatically cleaning pattern switching to other mode operations it is impossible to enter row mode according to user's request in prior art
Change, comfort of air conditioner is poor, or even the problem of air-conditioning fault can be caused, improve comfort of air conditioner.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, 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 (10)
1. a kind of self-cleaning control method of A/C evaporator is it is characterised in that include step:
After air-conditioning enters vaporizer automatically cleaning pattern, detecting switches the control instruction of other mode operations；
Detect switch other mode operations control instruction after, control off-premises station out of service, and control indoor set according to
Preset rotation speed is run；
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
2. the self-cleaning control method of A/C evaporator as claimed in claim 1 is it is characterised in that described control off-premises station stops
Only run, and control indoor set according to preset rotation speed operation after, also include:
Obtain the surface temperature of vaporizer；
Judge whether the surface temperature of described vaporizer is more than the first preset temperature；
When the surface temperature of described vaporizer is more than the first preset temperature, judge that described air-conditioning meets the bar switching other patterns
Part.
3. the self-cleaning control method of A/C evaporator as claimed in claim 2 is it is characterised in that described control off-premises station stops
Only run, and control indoor set according to preset rotation speed operation after, also include:
Obtain the surface temperature of vaporizer；
Judge whether the surface temperature of described vaporizer is more than the second preset temperature, described first preset temperature is more than second to be preset
Temperature；
When the surface temperature of described vaporizer is more than the second preset temperature, and when run time exceedes Preset Time, judge institute
State air-conditioning and meet the condition switching other patterns.
4. the self-cleaning control method of the A/C evaporator as described in any one of claims 1 to 3 is it is characterised in that described detect
After surveying the control instruction of other mode operations of switching, also include:
After detecting the control instruction switching other mode operations, it is obtained from the cleaning mode current operation phase；
When the current operation phase being the frosting stage, control off-premises station out of service, and control indoor set to transport according to preset rotation speed
OK；
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
5. the self-cleaning control method of the A/C evaporator as described in any one of claims 1 to 3 is it is characterised in that described detect
After surveying the control instruction of other mode operations of switching, also include:
After detecting the control instruction switching other mode operations, it is obtained from the cleaning mode current operation phase；
When the current operation phase being refrigeration or defrost stage, judge that the running status in the automatically cleaning current operation phase for the air-conditioning is
No and under other patterns running status is consistent；
If inconsistent, after controlling off-premises station to shut down operation setting time, switch to other mode operations.
6. a kind of self-cleaning control device of A/C evaporator is it is characterised in that include:
Detecting module, for, after air-conditioning enters vaporizer automatically cleaning pattern, detecting switches the control instruction of other mode operations；
Control module, out of service for after detecting the control instruction switching other mode operations, controlling off-premises station, and control
Indoor set processed runs according to preset rotation speed；Control module is additionally operable to
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
7. the self-cleaning control device of A/C evaporator as claimed in claim 6 is it is characterised in that also include:
Acquisition module, for obtaining the surface temperature of vaporizer；
Judge module, whether the surface temperature for judging described vaporizer is more than the first preset temperature；
Determination module, cuts for when the surface temperature of described vaporizer is more than the first preset temperature, judging that described air-conditioning meets
Change the condition of other patterns.
8. the self-cleaning control device of A/C evaporator as claimed in claim 7, it is characterised in that described judge module, is gone back
Whether the surface temperature for judging described vaporizer is more than the second preset temperature, and described first preset temperature is more than second to be preset
Temperature；
Described determination module, is additionally operable to when the surface temperature of described vaporizer is more than the second preset temperature, and run time surpasses
When crossing Preset Time, judge that described air-conditioning meets the condition switching other patterns.
9. the self-cleaning control device of A/C evaporator as claimed in claim 7 or 8 is it is characterised in that described acquisition module,
It is additionally operable to, after detecting the control instruction switching other mode operations, be obtained from the cleaning mode current operation phase；
Control module, out of service for when the current operation phase being the frosting stage, controlling off-premises station, and control indoor set to press
Run according to preset rotation speed；Control module is additionally operable to
After described air-conditioning meets the condition of other patterns of switching, air-conditioning is controlled to switch to other mode operations.
10. the self-cleaning control device of A/C evaporator as claimed in claim 9, it is characterised in that described judge module, is gone back
For
When the current operation phase being refrigeration or defrost stage, judge that the running status in the automatically cleaning current operation phase for the air-conditioning is
No and under other patterns running status is consistent；
Described control module, if being additionally operable to inconsistent, after controlling off-premises station to shut down operation setting time, switches to other patterns
Run.
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| CN201610712089.3A CN106369740B (en) | 2016-08-23 | 2016-08-23 | The self-cleaning control method and device of A/C evaporator |
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| CN110966724A (en) * | 2018-09-30 | 2020-04-07 | 青岛海尔空调器有限总公司 | Control method and device for air conditioning system, computer equipment and storage medium |
| WO2021035892A1 (en) * | 2019-08-23 | 2021-03-04 | 海信家电集团股份有限公司 | Air conditioner and air conditioner cleaning method |
| CN112803839A (en) * | 2020-12-31 | 2021-05-14 | 珠海格力电器股份有限公司 | Method and device for controlling rotating speed of air conditioner motor, storage medium and processor |
| CN113614457A (en) * | 2020-03-05 | 2021-11-05 | 日立江森自控空调有限公司 | Air conditioner |
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| CN106369740B (en) | 2019-11-08 |
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