CN104949261B - A kind of self-cleaning control method of air-conditioner - Google Patents
A kind of self-cleaning control method of air-conditioner Download PDFInfo
- Publication number
- CN104949261B CN104949261B CN201410126804.6A CN201410126804A CN104949261B CN 104949261 B CN104949261 B CN 104949261B CN 201410126804 A CN201410126804 A CN 201410126804A CN 104949261 B CN104949261 B CN 104949261B
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- air
- conditioner
- temperature
- heat exchanger
- outdoor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of self-cleaning control method of air-conditioner, air-conditioner detection outdoor environment temperature, and detects the temperature of the inlet and outlet of outdoor heat exchanger or the accumulated running time of detection compressor；Predetermined outdoor temperature is less than or equal in outdoor environment temperature, and the temperature difference of the inlet and outlet of outdoor heat exchanger, when being more than or equal to the predetermined running time less than or equal to the accumulated running time of predetermined temperature difference or compressor, air-conditioner enters heating operation to coagulate frost on outdoor heat exchanger；Then air-conditioner is switched in refrigeration mode.Because the self-cleaning control method of air-conditioner of the present invention is by entering heating operation to coagulate frost on outdoor heat exchanger, then switch to refrigeration mode and defrost is carried out to outdoor heat exchanger, so as to the condensed water after defrost is cleared up for the dust stratification on outdoor heat exchanger, this can effectively reduce the dust stratification accumulated on outdoor heat exchanger, and then effectively increase the heat transfer effect of air-conditioner, reduce energy consumption.
Description
Technical field
The invention belongs to air-conditioning technical field, more particularly to a kind of air-conditioner self-cleaning control method.
Background technology
Due to there is more dust in outdoor environment, air-conditioner after a period of time is run, meeting on its outdoor heat exchanger
Gather a large amount of dust stratifications, this can cause the heat exchange property of outdoor heat exchanger to be deteriorated, so cause air-conditioner ability decline, energy consumption increase
Plus.
The content of the invention
It is an object of the invention to provide a kind of self-cleaning control method of air-conditioner, it is intended to which the outdoor for reducing air-conditioner is changed
Dust stratification, exchange capability of heat, the reducing energy consumption of raising air-conditioner on hot device.
In order to realize the purpose of the present invention, the present invention provides a kind of self-cleaning control method of air-conditioner, including：
S10, air-conditioner detection outdoor environment temperature, and detect temperature or the detection of the inlet and outlet of outdoor heat exchanger
The accumulated running time of compressor；
The outdoor environment temperature of detection is contrasted and is judged outdoor environment temperature by S20, air-conditioner with predetermined outdoor temperature
Whether degree is less than or equal to predetermined outdoor temperature, and the temperature of the inlet and outlet of the outdoor heat exchanger of detection is contrasted simultaneously
Judge inlet and outlet temperature difference whether less than or equal to predetermined temperature difference or will detect compressor accumulated running time with
Whether the predetermined running time is contrasted and is judged accumulated running time more than or equal to the predetermined running time；
S30, outdoor environment temperature be less than or equal to predetermined outdoor temperature, and the inlet and outlet of outdoor heat exchanger temperature
When degree difference is more than or equal to the predetermined running time less than or equal to the accumulated running time of predetermined temperature difference or compressor, air-conditioner enters system
Heat operation simultaneously sets the running frequency of compressor and the rotating speed of outdoor fan to coagulate frost on outdoor heat exchanger；
S40, air-conditioner is switched in refrigeration mode.
Preferably, in the S30, the air-conditioner switches to heating operation to be in particular：Air-conditioner is sent out to remote control end
Cue is sent so that remote control end sends prompting and user is sent operational order to remote control end, and air-conditioner receives remote control end root
The purge signal that is sent according to the operational order of user simultaneously switches to heating operation according to the purge signal for receiving.
Preferably, in the S40, the air-conditioner switches to refrigeration mode, or institute after the heating operation scheduled time
The temperature for stating the exit that air-conditioner will detect outdoor heat exchanger is contrasted with outlet predetermined temperature, in the outlet of outdoor heat exchanger
The temperature at place switches to refrigeration mode less than outlet predetermined temperature and after maintaining the scheduled time.
Preferably, in the S40, when the air-conditioner switches to refrigeration mode and the rotating speed of outdoor fan is set.
Preferably, in S40, also detect that air-conditioner switches to the import of the number of times or detection outdoor heat exchanger of heating operation
With the temperature in exit and judge that whether the temperature difference of inlet and outlet, more than predetermined temperature difference, is switched in air-conditioner and heats fortune
The temperature difference that capable number of times is not up to the inlet and outlet of predetermined running number of times or detection outdoor heat exchanger is not more than pre- constant temperature
During difference, air-conditioner performs step S30 again after the refrigeration mode operation scheduled time.
Because the self-cleaning control method of air-conditioner of the present invention is by entering heating operation to coagulate frost on outdoor heat exchanger,
Then switch to refrigeration mode and defrost is carried out to outdoor heat exchanger, so that the condensed water after defrost is on outdoor heat exchanger
Dust stratification is cleared up, and this can effectively reduce the dust stratification accumulated on outdoor heat exchanger, and then effectively increase changing for air-conditioner
Thermal effect, reduce energy consumption.
Brief description of the drawings
Fig. 1 is the flow chart of a preferred embodiment of the self-cleaning control method of air-conditioner of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Technical scheme of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that this
The technical staff in field can be better understood from the present invention and can be practiced, but illustrated embodiment is not as to limit of the invention
It is fixed.
Fig. 1 is referred to, there is disclosed a preferred embodiment of the self-cleaning control method of air-conditioner of the present invention, in this implementation
In example, the self-cleaning control method of air-conditioner comprises the following steps：
S10, air-conditioner detection outdoor environment temperature, and detect temperature or the detection of the inlet and outlet of outdoor heat exchanger
The accumulated running time of compressor；
Specifically, the accumulated running time is that air-conditioner completes last time from the accumulative run time of clear rear compressor.
The outdoor environment temperature of detection is contrasted and is judged outdoor environment temperature by S20, air-conditioner with predetermined outdoor temperature
Whether degree is less than or equal to predetermined outdoor temperature, and the temperature of the inlet and outlet of the outdoor heat exchanger of detection is contrasted simultaneously
Judge inlet and outlet temperature difference whether less than or equal to predetermined temperature difference or will detect compressor accumulated running time with
Whether the predetermined running time is contrasted and is judged accumulated running time more than or equal to the predetermined running time；
Specifically, predetermined outdoor temperature is set to 35 DEG C, and predetermined temperature difference is set to 5 DEG C, and the predetermined running time is set to 100 hours.
Whether air-conditioner judges outdoor environment temperature less than or equal to 35 DEG C, and judges the temperature difference of the inlet and outlet of outdoor heat exchanger
Whether whether it is less than or equal to 5 DEG C or judges the accumulated running time of compressor more than or equal to 100 hours.
S30, outdoor environment temperature be less than or equal to predetermined outdoor temperature, and the inlet and outlet of outdoor heat exchanger temperature
When degree difference is more than or equal to the predetermined running time less than or equal to the accumulated running time of predetermined temperature difference or compressor, air-conditioner enters system
Heat operation simultaneously sets the running frequency of compressor and the rotating speed of outdoor fan to coagulate frost on outdoor heat exchanger；
Specifically, the rotating speed of the running frequency for setting compressor and outdoor fan is according to the temperature of outdoor environment and wet
Degree is configured；Air-conditioner detecting outdoor environment temperature less than or equal to 35 DEG C, and the import of the outdoor heat exchanger of detection and
When the accumulated running time that the temperature difference in exit is less than or equal to the compressor of 5 DEG C or detection is more than or equal to 100 hours, air-conditioner
Cue is sent to remote control end, remote control end receives the cue of air-conditioner transmission and sends and points out so that user's selection cleaning
Operation, user sends operation instruction signal by selecting the button at remote control end to remote control end, and remote control end is according to operation instruction signal
Purge signal is sent to air-conditioner, air-conditioner is received and switch to after the purge signal that remote control end sends heating operation and by compressor
Running frequency be set to 120Hz/min and the rotating speed of outdoor fan be set to 0r/min.
S40, air-conditioner is switched in refrigeration mode；
Specifically, the air-conditioner switches to refrigeration mode after the heating operation scheduled time, or the air-conditioner will inspection
Temperature and the outlet predetermined temperature contrast in the exit of outdoor heat exchanger are measured, the temperature in the exit of outdoor heat exchanger is less than
Export predetermined temperature and switch to refrigeration mode after the maintenance scheduled time and the rotating speed of outdoor fan is set, in the present embodiment,
Air-conditioner is after heating operation 10 minutes is switched to or is detecting the temperature of the outlet of outdoor heat exchanger less than -2 DEG C and maintenance 5
After minute, air-conditioner switches to refrigeration mode and is set to 850r/min quickly to enter outdoor heat exchanger by the rotating speed of outdoor fan
Row defrost, so that the condensed water after defrost is cleared up for the dust stratification on outdoor heat exchanger.
Additionally, to improve cleaning performance, the self-cleaning control method of air-conditioner of the present invention also detects that air-conditioner is cut in S40
It is changed to the temperature of the number of times of heating operation or the inlet and outlet of detection outdoor heat exchanger and judges the temperature of inlet and outlet
Whether degree difference is more than predetermined temperature difference, switches to the number of times not up to predetermined running number of times of heating operation or detection outdoor in air-conditioner
When the temperature difference of the inlet and outlet of heat exchanger is not more than predetermined temperature difference, air-conditioner refrigeration mode operation the scheduled time after again
Perform step S30, in the present embodiment, air-conditioner judge by 5 heating operations or judge the import of outdoor heat exchanger with
The temperature difference in exit stops self-cleaning after being more than 5 DEG C, that is, air-conditioner maintains refrigeration mode to be no longer switched to heating operation, directly
Outdoor environment temperature is determined again to air-conditioner less than or equal to predetermined outdoor temperature, and outdoor heat exchanger inlet and outlet
Temperature difference when being more than or equal to the predetermined running time less than or equal to the accumulated running time of predetermined temperature difference or compressor.
Because the self-cleaning control method of air-conditioner of the present invention is by entering heating operation to coagulate frost on outdoor heat exchanger,
Then switch to refrigeration mode and defrost is carried out to outdoor heat exchanger, so that the condensed water after defrost is on outdoor heat exchanger
Dust stratification is cleared up, and this can effectively reduce the dust stratification accumulated on outdoor heat exchanger, and then effectively increase changing for air-conditioner
Thermal effect, reduce energy consumption.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification 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 (5)
1. the self-cleaning control method of a kind of air-conditioner, it is characterised in that including：
S10, air-conditioner detection outdoor environment temperature, and detect the temperature or detection air-conditioning of the inlet and outlet of outdoor heat exchanger
Device completes last time from the accumulated running time of clear rear compressor；
The outdoor environment temperature of detection is contrasted and is judged that outdoor environment temperature is by S20, air-conditioner with predetermined outdoor temperature
It is no less than or equal to predetermined outdoor temperature, and the temperature of the inlet and outlet of the outdoor heat exchanger of detection is contrasted and judged
The temperature difference of inlet and outlet whether less than or equal to predetermined temperature difference or the compressor that will be detected accumulated running time with it is predetermined
Whether run time is contrasted and is judged accumulated running time more than or equal to the predetermined running time；
S30, outdoor environment temperature be less than or equal to predetermined outdoor temperature, and the inlet and outlet of outdoor heat exchanger temperature difference
When accumulated running time less than or equal to predetermined temperature difference or compressor is more than or equal to the predetermined running time, air-conditioner entrance heats fortune
The running frequency of compressor and the rotating speed of outdoor fan is gone and sets to coagulate frost on outdoor heat exchanger；
S40, air-conditioner switches to refrigeration mode.
2. the self-cleaning control method of air-conditioner as claimed in claim 1, it is characterised in that in the S30, the air-conditioning
Device switches to heating operation to be in particular：
Air-conditioner to remote control end send cue so that remote control end send prompting and user is sent operational order to remote control end,
And air-conditioner receives the purge signal that is sent according to the operational order of user of remote control end and enters system according to the purge signal for receiving
Heat operation.
3. the self-cleaning control method of air-conditioner as claimed in claim 1, it is characterised in that in the S40, the air-conditioning
Device switches to refrigeration mode, or the air-conditioner to detect the exit of outdoor heat exchanger after the heating operation scheduled time
Temperature and outlet predetermined temperature contrast, the temperature in the exit of outdoor heat exchanger are less than outlet predetermined temperature and maintain pre- timing
Between after switch to refrigeration mode.
4. the self-cleaning control method of air-conditioner as claimed in claim 1, it is characterised in that in the S40, the air-conditioning
When device switches to refrigeration mode and the rotating speed of outdoor fan is set.
5. the self-cleaning control method of air-conditioner as claimed in claim 1, it is characterised in that in S40, also detect air-conditioner
Switch to the temperature of the number of times of heating operation or the inlet and outlet of detection outdoor heat exchanger and judge inlet and outlet
Whether temperature difference is more than predetermined temperature difference, and number of times not up to predetermined running number of times or the sensing chamber of heating operation are switched in air-conditioner
When the temperature difference of the inlet and outlet of external heat exchanger is not more than predetermined temperature difference, air-conditioner is after the refrigeration mode operation scheduled time
Step S30 is performed again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126804.6A CN104949261B (en) | 2014-03-28 | 2014-03-28 | A kind of self-cleaning control method of air-conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410126804.6A CN104949261B (en) | 2014-03-28 | 2014-03-28 | A kind of self-cleaning control method of air-conditioner |
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| CN104949261A CN104949261A (en) | 2015-09-30 |
| CN104949261B true CN104949261B (en) | 2017-06-30 |
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| CN201410126804.6A Active CN104949261B (en) | 2014-03-28 | 2014-03-28 | A kind of self-cleaning control method of air-conditioner |
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| CN104949261A (en) | 2015-09-30 |
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