CN106765779A - A kind of defrosting control method of air-conditioner and air-conditioner - Google Patents
A kind of defrosting control method of air-conditioner and air-conditioner Download PDFInfo
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- CN106765779A CN106765779A CN201710016286.6A CN201710016286A CN106765779A CN 106765779 A CN106765779 A CN 106765779A CN 201710016286 A CN201710016286 A CN 201710016286A CN 106765779 A CN106765779 A CN 106765779A
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- 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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- 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
- F24F11/41—Defrosting; Preventing freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention proposes the defrosting control method of a kind of air-conditioner and air-conditioner, and air-conditioner includes：Compressor output end is connected with four-way reversing valve；Indoor heat converter one end is connected with four-way reversing valve；Outdoor heat converter one end is connected with the other end of indoor heat converter, and its other end is connected with four-way reversing valve；Electric expansion valve is disposed in the outdoor between one end of heat exchanger and the other end of indoor heat converter, and is parallel with the first stop valve with electric expansion valve；Second stop valve is disposed in the outdoor between the other end of heat exchanger and four-way reversing valve；Accumulation of heat heating module and the second stop valve are arranged in parallel between the other end and four-way reversing valve of outdoor heat converter；Wherein accumulation of heat heating module includes capillary；Storage heater, is connected with capillary；And electric heater, it is arranged in storage heater, for aiding in heating.The present invention can realize the defrosting function to air-conditioning in the case where persistently heating, and be effectively improved the comfortableness of room temperature.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to the defrost control of a kind of air-conditioner and a kind of air-conditioner
Method processed.
Background technology
In heating operation, there is heat exchange in refrigerant to air-conditioner, with outdoor air by outdoor heat converter from outdoor
Air absorbs heat and evaporates, and into compressor, the refrigerant vapour of HTHP is compressed into through compressor, gets in hot friendship
Parallel operation heat release carrys out heating indoor air, people is enjoyed comfortable environment.But, when outdoor environment temperature drops to certain journey
Degree and outside humidity it is suitable when, outdoor heat converter surface can frosting, reduce air-conditioner heating performance, influence air-conditioner use
Comfortableness.
At present, the defrost mode employed in the air-conditioner of prior art is all to carry out heat using the delivery temperature of compressor
Gas defrosting, this is accomplished by by four-way reversing valve ability defrost, and when defrost is started, four-way reversing valve commutation makes outdoor heat friendship
Parallel operation heat release, indoor heat converter heat absorption, can cause indoor environment temperature to reduce, in colder environment, air-conditioner operation system
SAPMAC method, can cause room temperature sometimes hot and sometimes cold, necessarily increase the discomfort of user.And in air humidity is than larger environment,
Frequently defrost operation can influence four-way reversing valve and the service life of other electrical parts.In addition, during air-conditioner defrost, by
Frost in the latter half of outdoor heat converter is more difficult cleared, therefore when in top half, oneself finishes through defrost, it is necessary to wait until
The latter half of outdoor heat converter also after complete defrost, can make air-conditioner enter normal heating operation state, thus
A part of heat is wasted, and extends defrosting process, reduced heating capacity and reduce overall heating effect.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of air-conditioner.
It is another object of the present invention to propose a kind of defrosting control method of air-conditioner.
In view of this, an a kind of purpose of the invention, it is proposed that air-conditioner, including indoor fan and outdoor wind
Machine, air-conditioner includes：Compressor, the output end of compressor is connected with four-way reversing valve；Indoor heat converter, indoor heat converter
One end be connected with four-way reversing valve；Outdoor heat converter, one end of outdoor heat converter is another with indoor heat converter
End is connected, and the other end of outdoor heat converter is connected with four-way reversing valve；Electric expansion valve, is disposed in the outdoor heat exchanger
Between one end and the other end of indoor heat converter, and the first stop valve is parallel with electric expansion valve；Second stop valve, is set
Between the other end and four-way reversing valve of outdoor heat converter；Accumulation of heat heating module, is arranged in parallel in room with the second stop valve
Between the other end and four-way reversing valve of outer heat-exchanger；Wherein, accumulation of heat heating module includes:Capillary；Storage heater, with capillary
Pipe is connected；And electric heater, it is arranged in storage heater, for aiding in heating.
The air-conditioner that the present invention is provided includes that the output end of compressor connects four-way reversing valve, the one of indoor heat converter
End is connected with four-way reversing valve, and the other end is connected with one end of outdoor heat converter, the other end of outdoor heat converter and four
Logical reversal valve is connected, and electric expansion valve is disposed in the outdoor between one end of heat exchanger and the other end of indoor heat converter,
And the first stop valve is parallel with electric expansion valve, the second stop valve is disposed in the outdoor the other end of heat exchanger and four-way commutates
Between valve, accumulation of heat heating module and the second stop valve be arranged in parallel outdoor heat converter the other end and four-way reversing valve it
Between, wherein, accumulation of heat heating module includes:Capillary；Storage heater, is connected with capillary；And electric heater, it is arranged on storage heater
It is interior, for aiding in heating.By controlling the first stop valve, the second stop valve, electric expansion valve and the work of accumulation of heat heating module
Make, it is possible to achieve the defrosting function to air-conditioning is realized in the case where persistently heating, the comfortable of room temperature is effectively improved
Property so that during low temperature environment carries out defrost to air-conditioner, it is to avoid cause Indoor Temperature using indoor heat absorption defrost
Degree is fluctuated, and then reduces the comfortableness that indoor heating effect and influence air-conditioning are used, by entering for accumulation of heat heating module
Row defrost prevents from reducing the service life of four-way reversing valve and other devices due to frequent defrost, and then improves air-conditioner
Service life, and defrost is can speed up, air-conditioner is rapidly introduced into normal heating operation state.
Above-mentioned air-conditioner of the invention, can also have following technical characteristic：
In the above-mentioned technical solutions, it is preferable that storage heater is attached to the surface of compressor into arc-shaped.
In the technical scheme, storage heater is attached to the surface of compressor into arc-shaped, can fully absorb the remaining of compressor
Heat, it is to avoid heat waste, is advantageously carried out in the quick of defrost process, improves the experience of user.
A kind of another purpose of the invention, it is proposed that defrosting control method of air-conditioner, for above-mentioned air-conditioner,
The defrosting control method of air-conditioner includes：Detection environment temperature, and be compared with default environment temperature；When environment temperature is less than
During equal to default environment temperature, when meeting defrost condition, the leaving air temp T1 of indoor heat converter is detected, close first and end
Valve, opens the second stop valve, and adjusts indoor fan rotating speed and be reduced to default low wind rotating speed, meanwhile, electricity on electric heater enters
Default defrost pattern；Or when meeting defrost condition, the leaving air temp T1 of indoor heat converter is detected, and the first stop valve is closed, beat
The second stop valve is opened, and adjusts indoor fan rotating speed and be reduced to default low wind rotating speed, defrost is carried out into default defrost pattern, when
When the defrost time is more than or equal to the default defrost time, electricity, carries out defrost on electric heater；When environment temperature is more than default environment temperature
When spending, when meeting defrost condition, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, opened second and end
Valve, and adjust indoor fan rotating speed and be reduced to default low wind rotating speed, carry out defrost into default defrost pattern.
The defrosting control method of the air-conditioner that the present invention is provided, detects environment temperature and is compared with temperature in default environment
Compared with, when environment temperature is less than or equal to default environment temperature and meets defrost condition, the leaving air temp of detection indoor heat converter
T1, closes the first stop valve, opens the second stop valve, and adjusts indoor fan rotating speed and be reduced to default low wind rotating speed, while making
Electricity on electric heater, into default defrost pattern, now using storage heater absorb compressor waste heat and electric heater it is auxiliary
Helping heating carries out defrost, accelerates the defrost process of air-conditioner.Or, it is less than or equal to default environment temperature in environment temperature and expires
During sufficient defrost condition, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, open the second stop valve, and adjust
Section indoor fan rotating speed is reduced to default low wind rotating speed, and defrost is carried out into default defrost pattern, is more than or equal to when the defrost time
During the default defrost time, remain as satisfaction and exit defrost condition, now to electrical heating on electric heater, carry out defrost, utilizing
After storage heater absorbs the waste heat defrost certain hour of compressor, storage heater is recycled to absorb the waste heat and electric heater of compressor
Auxiliary heating carry out defrost, accelerate the defrost process of air-conditioner.When environment temperature is more than default environment temperature, satisfactionization
During ice-lolly part, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, open the second stop valve, and regulation room
Inner blower rotating speed is reduced to default low wind rotating speed, and defrost is carried out into default defrost pattern, and compressor is absorbed using storage heater
Waste heat is defrosted.By the defrosting control method of air-conditioner of the invention, it is possible to achieve realized in the case where persistently heating
To the defrosting function of air-conditioning, it is effectively improved the comfortableness of room temperature, it is to avoid at low ambient temperatures using indoor heat absorption
Defrost and cause indoor temperature fluctuated, and then reduce indoor heating effect and influence air-conditioning comfortableness, by accumulation of heat
Heating module accelerates the defrost of outdoor heat converter, and then air-conditioner is rapidly introduced into normal heating operation state, it is to avoid
The waste of heat, enhances the overall heating effect of air-conditioner, and be prevented from frequent defrost and cause four-way reversing valve
Service life with other devices is reduced, so as to improve the service life of air-conditioner.
The defrosting control method of above-mentioned air-conditioner of the invention, can also have following technical characteristic：
In the above-mentioned technical solutions, it is preferable that default defrost pattern, specifically include：Indoor fan is with default low wind rotating speed
After operation Preset Time, the leaving air temp T2 of indoor heat converter is detected, and calculate the temperature difference T of T2 and T1；By temperature difference T with
First preset temperature is compared, and when temperature difference T is more than the first preset temperature, opens the first stop valve, closes second and ends
Valve, adjustment electric expansion valve to the first default aperture, control outdoor fan is out of service, carries out defrost；When temperature difference T less than etc.
When the first preset temperature, default defrost pattern is again introduced into.
In the technical scheme, the default defrost pattern of air-conditioner is specifically included：Indoor fan is transported with default low wind rotating speed
After row Preset Time, the leaving air temp T2 of indoor heat converter is detected, and calculate the temperature difference T of T2 and T1, by temperature difference T and the
One preset temperature is compared, and when temperature difference T is more than the first preset temperature, opens the first stop valve, closes the second stop valve,
To the first default aperture, the first default aperture is the minimum aperture of electric expansion valve to adjustment electric expansion valve, controls outdoor fan
Out of service, the waste heat for absorbing compressor using storage heater is realized realizing the defrost work(to air-conditioning in the case where persistently heating
Can, it is to avoid the waste of heat, the defrost efficiency of air-conditioner is improve, strengthen the heating performance of air-conditioner, when temperature difference T is less than
During equal to the first preset temperature, default defrost pattern is again introduced into, air-conditioner is circulated in defrost, advantageously in quickeningization
The process of frost, improves the experience of user.
In the above-mentioned technical solutions, it is preferable that when electric heater is in power-up state, also include：Real-time detection electricity adds
The surface temperature of hot device；When surface temperature is more than the second preset temperature, control electric heater power-off；When surface temperature is less than the
During three preset temperatures, electricity on control electric heater；Wherein, the second preset temperature is more than the 3rd preset temperature.
In the technical scheme, when electric heater is in power-up state, by the surface temperature of real-time detection electric heater
Degree, and when surface temperature is more than the second preset temperature, control electric heater power-off, and preset less than the 3rd in surface temperature
During temperature, electricity on control electric heater, wherein the second preset temperature is more than the 3rd preset temperature.By on the surface of electric heater
Temperature is powered off when being more than the second preset temperature to electric heater, is prevented electric heater surface temperature too high and is reduced electric heater
Service life, so that increase the service life of air-conditioner, it is cost-effective, and preset less than the 3rd in electric heater surface temperature
To electricity on electric heater during temperature so that electric heater surface temperature is reduced to after uniform temperature and can automatically go up electricity and carry out work
Make, accelerate defrost process, improve the defrost efficiency of air-conditioner.
In the above-mentioned technical solutions, it is preferable that when satisfaction exits defrost condition, the first stop valve is closed, second is opened
Stop valve, adjusts the aperture of electric expansion valve to the second default aperture；Control indoor fan is run with default low wind rotating speed, works as room
When the leaving air temp of inside heat exchanger reaches T2, rotating speed before control indoor fan rotational speed regulation to defrost, into heating mode；
Wherein second default aperture is more than the first default aperture.
In the technical scheme, when satisfaction exits defrost condition, by closing the first stop valve, open second and end
Valve, and the aperture of electric expansion valve is adjusted to the second default aperture, control indoor fan is run with default low wind rotating speed, works as interior
When the leaving air temp of heat exchanger reaches T2, rotating speed before control indoor fan rotational speed regulation to defrost, into heating mode, its
In the second default aperture more than the first default aperture, the second default aperture heats circulation regulation and opens for the normal of electric expansion valve
Degree.When defrost is exited so that accumulation of heat heating module does not work, air-conditioner is heated into normal heating mode, makes indoor temperature
The comfort level for meeting user is reached, the experience of user is improved.
In the above-mentioned technical solutions, it is preferable that when electric heater is in running order, when satisfaction exits defrost condition,
When detecting that electric heater surface temperature is less than four preset temperatures, default defrost pattern is exited.
In the technical scheme, when electric heater is in running order and satisfaction exits defrost condition, when detection electricity adds
When hot device surface temperature is less than four preset temperatures, default defrost pattern is exited, and then air-conditioner is rapidly introduced into normal system
Hot running status, enhances the overall heating effect of air-conditioner.
In the above-mentioned technical solutions, it is preferable that when in exit defrost pattern when, the surface temperature of the electric heater for detecting
When degree is less than three preset temperatures, cancel electricity instruction on the electric heater.
In the technical scheme, when in exit defrost pattern when, the surface temperature of the electric heater for detecting is less than the
During three preset temperatures, cancel electricity instruction on the electric heater, prevent electric heater to be operated under the pattern for exiting defrost,
The waste of heat and the unnecessary loss of electric heater are avoided, the service life of electric heater is increased.
In the above-mentioned technical solutions, it is preferable that the span of default environment temperature is 1 DEG C to 3 DEG C.
In the technical scheme, the span for presetting environment temperature is 1 DEG C to 3 DEG C, for the environment temperature that will be detected
Degree is compared with temperature in default environment, it is ensured that lift the heating effect of air-conditioner at low ambient temperatures.
In the above-mentioned technical solutions, it is preferable that the span of default defrost time is 1 minute to 3 minutes.
In the technical scheme, the span for presetting the defrost time is 1 minute to 3 minutes, accelerates air-conditioner defrost, really
Protect air-conditioner and be rapidly introduced into normal heating operation state.
In the above-mentioned technical solutions, it is preferable that the span of the first preset temperature is 7 DEG C to 11 DEG C.
In the technical scheme, the span of the first preset temperature is 7 DEG C to 11 DEG C, when the temperature difference T of T2 and T1 is big
Defrost is carried out when the first preset temperature, the defrost efficiency of air-conditioner is improve, strengthens the heating performance of air-conditioner.
In the above-mentioned technical solutions, it is preferable that the span of the second preset temperature is 70 DEG C to 90 DEG C, the 3rd default temperature
The span of degree is 15 DEG C to 25 DEG C.
In the technical scheme, the span of the second preset temperature is 70 DEG C to 90 DEG C, the value of the 3rd preset temperature
Scope is 15 DEG C to 25 DEG C, prevents electric heater surface temperature too high and reduces the service life of electric heater, so as to increase sky
The service life of device is adjusted, it is cost-effective, and cause that electric heater surface temperature can automatically go up electricity after being reduced to uniform temperature
It is operated, accelerates defrost process, improves the defrost efficiency of air-conditioner.
In the above-mentioned technical solutions, it is preferable that the span of the 4th preset temperature is 5 DEG C to 10 DEG C.
In the technical scheme, the span of the 4th preset temperature is 5 DEG C to 10 DEG C, when electric heater surface temperature is small
When four preset temperatures, default defrost pattern is exited, air-conditioner is rapidly introduced into normal heating operation state, enhance sky
Adjust the overall heating effect of device.
In the above-mentioned technical solutions, it is preferable that default environment temperature is 2 DEG C；The default defrost time is 2 minutes；First is pre-
If temperature is 8 DEG C；Second preset temperature is 80 DEG C；3rd preset temperature is 20 DEG C；4th preset temperature is 10 DEG C.
In the technical scheme, it is 2 DEG C to preset environment temperature, for environment temperature and the temperature in default environment that will detect
Degree is compared, it is ensured that lift the heating effect of air-conditioner at low ambient temperatures, presets the defrost time for 2 minutes, accelerates air-conditioning
Device defrost, it is ensured that air-conditioner is rapidly introduced into normal heating operation state, and the first preset temperature is 8 DEG C, when the temperature difference of T2 and T1
Δ T carries out defrost when being more than 8 DEG C, improves the defrost efficiency of air-conditioner, strengthens the heating performance of air-conditioner, the second preset temperature
It is 80 DEG C, the 3rd preset temperature is 20 DEG C, prevents electric heater surface temperature too high and reduces the service life of electric heater, from
And increase the service life of air-conditioner, it is cost-effective, and cause that electric heater surface temperature can after being reduced to uniform temperature
Automatically upper electricity is operated, and accelerates defrost process, improves the defrost efficiency of air-conditioner, and the 4th preset temperature is 10 DEG C, when
When electric heater surface temperature is less than 10 DEG C, default defrost pattern is exited, air-conditioner is rapidly introduced into normal heating operation shape
State, enhances the overall heating effect of air-conditioner.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 shows the system schematic that defrost is carried out under the air conditioner heat-production state of one embodiment of the present of invention；
Fig. 2 shows the schematic flow sheet of the defrosting control method of the air-conditioner of one embodiment of the present of invention；
Fig. 3 shows the default defrost pattern flow of the defrosting control method of the air-conditioner of an alternative embodiment of the invention
Schematic diagram；
Fig. 4 shows that the electric heater of the defrosting control method of the air-conditioner of yet another embodiment of the present invention is in upper electricity
When schematic flow sheet；
Fig. 5 a show the cooling cycle system schematic diagram of the air-conditioner of one embodiment of the present of invention；
Fig. 5 b show the heating recycle system schematic diagram of the air-conditioner of an alternative embodiment of the invention.
Wherein, the corresponding relation in Fig. 1, Fig. 5 a, Fig. 5 b between reference and component names is：
Air-conditioner 1, compressor 102, four-way reversing valve 104, indoor heat converter 106, outdoor heat converter 108, electronics
Expansion valve 110, the first stop valve 112, the second stop valve 114, accumulation of heat heating module 116, capillary 1162, storage heater 1164,
Electric heater 1166.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not limited to following public affairs
The limitation of the specific embodiment opened.
A kind of embodiment of first aspect present invention, it is proposed that air-conditioner 1, including indoor fan and outdoor fan, Fig. 1 show
The structural representation of the air-conditioner 1 of one embodiment of the present of invention is gone out：
Air-conditioner 1 includes：Compressor 102, the output end of compressor 102 is connected with four-way reversing valve 104；Indoor heat exchange
Device 106, one end of indoor heat converter 106 is connected with four-way reversing valve 104；Outdoor heat converter 108, outdoor heat converter
108 one end is connected with the other end of indoor heat converter 106, the other end and the four-way reversing valve 104 of outdoor heat converter 108
It is connected；Electric expansion valve 110, be disposed in the outdoor one end of heat exchanger 108 and indoor heat converter 106 the other end it
Between, and it is parallel with the first stop valve 112 with electric expansion valve 110；Second stop valve 114, is disposed in the outdoor heat exchanger 108
Between the other end and four-way reversing valve 104；Accumulation of heat heating module 116, is arranged in parallel in outdoor heat exchange with the second stop valve 114
Between the other end and four-way reversing valve 104 of device 108；Wherein, accumulation of heat heating module 116 includes:Capillary 1162；Storage heater
1164, it is connected with capillary；And electric heater 1166, it is arranged in storage heater 1164, for aiding in heating.
The air-conditioner 1 that the present invention is provided includes that compressor 102, the output end of compressor 102 is connected with four-way reversing valve
104；Indoor heat converter 106, one end of indoor heat converter 106 is connected with four-way reversing valve 104；Outdoor heat converter
108, one end of outdoor heat converter 108 is connected with the other end of indoor heat converter 106, outdoor heat converter 108 it is another
End is connected with four-way reversing valve 104；Electric expansion valve 110, is disposed in the outdoor one end of heat exchanger 108 and indoor heat exchange
Between the other end of device 106, and the first stop valve 112 is parallel with electric expansion valve 110；Second stop valve 114, is arranged on room
Between the other end and four-way reversing valve 104 of outer heat-exchanger 108；Accumulation of heat heating module 116, it is in parallel with the second stop valve 114
It is disposed in the outdoor between the other end of heat exchanger 108 and four-way reversing valve 104；Wherein, accumulation of heat heating module 116 includes:Hair
Tubule 1162；Storage heater 1164, is connected with capillary；And electric heater 1166, it is arranged in storage heater 1164, for aiding in
Heating.By controlling the first stop valve 112, the second stop valve 114, electric expansion valve 110 and the work of accumulation of heat heating module 116
Make, it is possible to achieve the defrosting function to air-conditioning is realized in the case where persistently heating, the comfortable of room temperature is effectively improved
Property so that during low temperature environment carries out defrost to air-conditioner, it is to avoid cause Indoor Temperature using indoor heat absorption defrost
Degree is fluctuated, and then reduces the comfortableness that indoor heating effect and influence air-conditioning are used, by entering for accumulation of heat heating module
Row defrost prevents from reducing the service life of four-way reversing valve and other devices due to frequent defrost, and then improves air-conditioner
Service life, and defrost is can speed up, air-conditioner is rapidly introduced into normal heating operation state.
In one embodiment of the invention, it is preferable that 1164 one-tenth arc-shapeds of storage heater, it is attached to the surface of compressor 102.
In this embodiment, 1164 one-tenth arc-shapeds of storage heater are attached to the surface of compressor 102, can fully absorb compressor
Waste heat, it is to avoid heat waste, advantageously being carried out in the quick of defrost process, improve the experience of user.
A kind of embodiment of second aspect present invention, it is proposed that defrosting control method of air-conditioner, for above-mentioned air-conditioner,
Fig. 2 shows the schematic flow sheet of the defrosting control method of the air-conditioner of one embodiment of the present of invention：
Step 202, detects environment temperature；
Whether step 204, compare environment temperature less than default environment temperature；
Step 206, when environment temperature is less than or equal to default environment temperature, when meeting defrost condition, detection Indoor Thermal is handed over
The leaving air temp T1 of parallel operation, close the first stop valve, open the second stop valve, and adjust indoor fan rotating speed be reduced to it is default low
Wind rotating speed, meanwhile, electricity on electric heater, into default defrost pattern；
Step 208, when meeting defrost condition, detects the leaving air temp T1 of indoor heat converter, closes the first stop valve, beats
The second stop valve is opened, and adjusts indoor fan rotating speed and be reduced to default low wind rotating speed, defrost is carried out into default defrost pattern, when
When the defrost time is more than or equal to the default defrost time, electricity, carries out defrost on electric heater；
Step 210, when environment temperature is more than default environment temperature, when meeting defrost condition, detects indoor heat converter
Leaving air temp T1, close the first stop valve, open the second stop valve, and adjust indoor fan rotating speed be reduced to default low wind turn
Speed, defrost is carried out into default defrost pattern.
The defrosting control method of the air-conditioner that the present invention is provided, detects environment temperature and is compared with temperature in default environment
Compared with, when environment temperature is less than or equal to default environment temperature and meets defrost condition, the leaving air temp of detection indoor heat converter
T1, closes the first stop valve, opens the second stop valve, and adjusts indoor fan rotating speed and be reduced to default low wind rotating speed, while making
Electricity on electric heater, into default defrost pattern, now using storage heater absorb compressor waste heat and electric heater it is auxiliary
Helping heating carries out defrost, accelerates the defrost process of air-conditioner.Default environment temperature and satisfaction are less than or equal in environment temperature
During ice-lolly part, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, open the second stop valve, and regulation room
Inner blower rotating speed is reduced to default low wind rotating speed, and defrost is carried out into default defrost pattern, when the defrost time is more than or equal to default
During the defrost time, remain as satisfaction and exit defrost condition, now to electrical heating on electric heater, carry out defrost, utilize accumulation of heat
Device absorb compressor waste heat defrost certain hour after, recycle storage heater absorb compressor waste heat and electric heater it is auxiliary
Helping heating carries out defrost, accelerates the defrost process of air-conditioner.When environment temperature is more than default environment temperature, defrost bar is met
During part, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, open the second stop valve, and wind in regulation room
Machine rotating speed is reduced to default low wind rotating speed, and defrost is carried out into default defrost pattern, and the waste heat of compressor is absorbed using storage heater
Defrosted.By the defrosting control method of air-conditioner of the invention, it is possible to achieve realized to sky in the case where persistently heating
The defrosting function of tune, be effectively improved the comfortableness of room temperature, it is to avoid at low ambient temperatures using indoor heat absorption defrost
And cause indoor temperature fluctuated, and then the comfortableness of indoor heating effect and influence air-conditioning is reduced, heated by accumulation of heat
Module accelerates the defrost of outdoor heat converter, and then air-conditioner is rapidly introduced into normal heating operation state, it is to avoid heat
The waste of amount, enhances the overall heating effect of air-conditioner, and be prevented from frequent defrost and cause four-way reversing valve and its
The service life reduction of its device, so as to improve the service life of air-conditioner.
Fig. 3 shows the default defrost pattern flow of the defrosting control method of the air-conditioner of an alternative embodiment of the invention
Schematic diagram：
Step 302, after indoor fan is with default low wind rotating speed operation Preset Time, that detects indoor heat converter goes out wind-warm syndrome
Degree T2, and calculate the temperature difference T of T2 and T1；
Whether step 304, compare temperature difference T more than the first preset temperature；
Step 306, when temperature difference T is more than the first preset temperature, opens the first stop valve, closes the second stop valve, adjusts
Whole electric expansion valve controls outdoor fan out of service to the first default aperture, carries out defrost；
Step 308, when temperature difference T is less than or equal to the first preset temperature, is again introduced into default defrost pattern.
In this embodiment, the default defrost pattern of air-conditioner is specifically included：Indoor fan is run with default low wind rotating speed
After Preset Time, the leaving air temp T2 of indoor heat converter is detected, and calculate the temperature difference T of T2 and T1, by temperature difference T and first
Preset temperature is compared, and when temperature difference T is more than the first preset temperature, opens the first stop valve, closes the second stop valve, adjusts
To the first default aperture, the first default aperture is the minimum aperture of electric expansion valve to whole electric expansion valve, and control outdoor fan stops
Only run, the waste heat for absorbing compressor using storage heater is realized realizing the defrosting function to air-conditioning in the case where persistently heating,
Avoid the waste of heat, improve the defrost efficiency of air-conditioner, strengthen the heating performance of air-conditioner, when temperature difference T less than etc.
When the first preset temperature, default defrost pattern is again introduced into, air-conditioner is circulated in defrost, advantageously in quickening defrost
Process, improve the experience of user.
Fig. 4 shows that the electric heater of the defrosting control method of the air-conditioner of yet another embodiment of the present invention is in upper electricity
When schematic flow sheet：
Step 402, the surface temperature of real-time detection electric heater；
Step 404, comparison surface temperature whether be more than the second preset temperature, when more than when enter step 406, otherwise enter
Step 408；
Step 406, control electric heater power-off, and return to step 402；
Step 408, comparison surface temperature whether be less than the 3rd preset temperature, when less than when enter step 410, otherwise return
Step 402；
Step 410, electricity on control electric heater, and return to step 402；
Wherein, the second preset temperature is more than the 3rd preset temperature.
In this embodiment, when electric heater is in power-up state, by the surface temperature of real-time detection electric heater,
And when surface temperature is more than the second preset temperature, control electric heater power-off, and in surface temperature less than the 3rd default temperature
When spending, electricity on control electric heater, wherein the second preset temperature is more than the 3rd preset temperature.By the surface temperature in electric heater
Electric heater is powered off when degree is more than the second preset temperature, is prevented electric heater surface temperature too high and is reduced making for electric heater
With the life-span, so that increase the service life of air-conditioner, it is cost-effective, and in electric heater surface temperature less than the 3rd default temperature
To electricity on electric heater when spending so that electric heater surface temperature is reduced to after uniform temperature and can automatically go up electricity and be operated,
Defrost process is accelerated, the defrost efficiency of air-conditioner is improve.
In one embodiment of the invention, it is preferable that when satisfaction exits defrost condition, the first stop valve is closed, is beaten
Open the second stop valve, adjust the aperture of electric expansion valve to the second default aperture；Control indoor fan is transported with default low wind rotating speed
OK, when the leaving air temp of indoor heat converter reaches T2, rotating speed before control indoor fan rotational speed regulation to defrost, into system
Heat pattern；Wherein second default aperture is more than the first default aperture.
In this embodiment, when satisfaction exits defrost condition, by closing the first stop valve, the second stop valve is opened,
And the aperture of electric expansion valve is adjusted to the second default aperture, control indoor fan is run with default low wind rotating speed, works as Indoor Thermal
When the leaving air temp of exchanger reaches T2, rotating speed before control indoor fan rotational speed regulation to defrost, into heating mode, wherein
Second default aperture heats circulation regulation aperture more than the first default aperture, the second default aperture for the normal of electric expansion valve.
When defrost is exited so that accumulation of heat heating module does not work, air-conditioner is heated into normal heating mode, reaches indoor temperature
Meet the comfort level of user, improve the experience of user.
In one embodiment of the invention, it is preferable that when electric heater is in running order, meet and exit defrost bar
During part, when detecting that electric heater surface temperature is less than four preset temperatures, default defrost pattern is exited.
In this embodiment, when electric heater is in running order and satisfaction exits defrost condition, when detection electrical heating
When device surface temperature is less than four preset temperatures, default defrost pattern is exited, and then is rapidly introduced into air-conditioner normally heating
Running status, enhances the overall heating effect of air-conditioner.
In one embodiment of the invention, it is preferable that when in exit defrost pattern when, the electric heater for detecting
When surface temperature is less than three preset temperatures, cancel electricity instruction on the electric heater.
In this embodiment, when in exit defrost pattern when, the surface temperature of the electric heater for detecting is less than the 3rd
During preset temperature, cancel electricity instruction on the electric heater, prevent electric heater to be operated under the pattern for exiting defrost, keep away
Exempt from the waste of heat and the unnecessary loss of electric heater, increased the service life of electric heater.
In one embodiment of the invention, it is preferable that the span of default environment temperature is 1 DEG C to 3 DEG C.
In this embodiment, the span for presetting environment temperature is 1 DEG C to 3 DEG C, for the environment temperature that will be detected
It is compared with temperature in default environment, it is ensured that lift the heating effect of air-conditioner at low ambient temperatures.
In one embodiment of the invention, it is preferable that the span of default defrost time is 1 minute to 3 minutes.
In this embodiment, the span for presetting the defrost time is 1 minute to 3 minutes, accelerates air-conditioner defrost, it is ensured that
Air-conditioner is rapidly introduced into normal heating operation state.
In one embodiment of the invention, it is preferable that the span of the first preset temperature is 7 DEG C to 11 DEG C.
In this embodiment, the span of the first preset temperature is 7 DEG C to 11 DEG C, when the temperature difference T of T2 and T1 is more than
Defrost is carried out during the first preset temperature, the defrost efficiency of air-conditioner is improve, strengthens the heating performance of air-conditioner.
In one embodiment of the invention, it is preferable that the span of the second preset temperature is 70 DEG C to 90 DEG C, the 3rd
The span of preset temperature is 15 DEG C to 25 DEG C.
In this embodiment, the span of the second preset temperature is 70 DEG C to 90 DEG C, the value model of the 3rd preset temperature
It is 15 DEG C to 25 DEG C to enclose, and prevents electric heater surface temperature too high and reduces the service life of electric heater, so as to increase air-conditioning
The service life of device, it is cost-effective, and cause that electric heater surface temperature is reduced to after uniform temperature and can automatically go up electricity and enter
Row work, accelerates defrost process, improves the defrost efficiency of air-conditioner.
In one embodiment of the invention, it is preferable that the span of the 4th preset temperature is 5 DEG C to 10 DEG C.
In this embodiment, the span of the 4th preset temperature is 5 DEG C to 10 DEG C, when electric heater surface temperature is less than
During four preset temperatures, default defrost pattern is exited, air-conditioner is rapidly introduced into normal heating operation state, enhance air-conditioning
The overall heating effect of device.
In one embodiment of the invention, it is preferable that default environment temperature is 2 DEG C；The default defrost time is 2 minutes；
First preset temperature is 8 DEG C；Second preset temperature is 80 DEG C；3rd preset temperature is 20 DEG C；4th preset temperature is 10 DEG C.
In this embodiment, it is 2 DEG C to preset environment temperature, for environment temperature and the temperature in default environment that will detect
It is compared, it is ensured that lift the heating effect of air-conditioner at low ambient temperatures, presets the defrost time for 2 minutes, accelerates air-conditioner
Defrost, it is ensured that air-conditioner is rapidly introduced into normal heating operation state, and the first preset temperature is 8 DEG C, as the temperature difference T of T2 and T1
Defrost is carried out during more than 8 DEG C, the defrost efficiency of air-conditioner is improve, strengthens the heating performance of air-conditioner, the second preset temperature is
80 DEG C, the 3rd preset temperature is 20 DEG C, prevents electric heater surface temperature too high and reduces the service life of electric heater, so that
Increase the service life of air-conditioner, it is cost-effective, and cause that electric heater surface temperature can be certainly after being reduced to uniform temperature
Dynamic upper electricity is operated, and accelerates defrost process, improves the defrost efficiency of air-conditioner, and the 4th preset temperature is 10 DEG C, works as electricity
When heater surface temperatures are less than 10 DEG C, default defrost pattern is exited, air-conditioner is rapidly introduced into normal heating operation state,
Enhance the overall heating effect of air-conditioner.
Specific embodiment one, Fig. 5 a show the cooling cycle system of the air-conditioner 1 of a specific embodiment of the invention
Schematic diagram, four-way reversing valve 104 commutates, and closes the first stop valve 112, opens the second stop valve 114, accumulation of heat heating module 116
Loop does not work, and compressor 102 is connected with outdoor heat exchanger 108, carries out normal kind of refrigeration cycle.
Specific embodiment two, what Fig. 5 b showed the air-conditioner 1 of another specific embodiment of the invention heats cyclic system
System schematic diagram, closes the first stop valve 112, opens the second stop valve 114, and accumulation of heat heating module loop does not work, and adjusts electronics
The aperture of expansion valve 110 is to the second default aperture, that is, normally heats circulation regulation aperture, and four-way reversing valve 104 commutates, presses
Contracting machine 102 is connected with indoor heat exchanger 106, into normally heating circulation pattern.
Specific embodiment three, as shown in figure 1, being less than or equal to default environment temperature in environment temperature and meeting defrost condition
When, the leaving air temp T1 of indoor heat converter 106 is detected, the first stop valve 112 is closed, the second stop valve 114 is opened, and adjust
Indoor fan rotating speed is reduced to default low wind rotating speed, while make electricity on electric heater 1166, into default defrost as shown in Figure 3
Pattern, detects the leaving air temp T2 of indoor heat converter 106, and calculates the temperature difference T of T2 and T1, and temperature difference T is pre- with first
If temperature is compared, when temperature difference T is more than the first preset temperature, the first stop valve 112 is opened, close the second stop valve
114, the default aperture of adjustment electric expansion valve 110 to the first, the first default aperture is the minimum aperture of electric expansion valve 110, control
Outdoor fan processed is out of service, now using storage heater 1164 absorb compressor 102 waste heat and electric heater 1166 it is auxiliary
Helping heating carries out defrost, accelerates the defrost process of air-conditioner 1.
Or, when environment temperature is less than or equal to default environment temperature and meets defrost condition, detect indoor heat converter
106 leaving air temp T1, closes the first stop valve 112, opens the second stop valve 114, and adjust indoor fan rotating speed and be reduced to
Low wind rotating speed is preset, defrost is carried out into default defrost pattern as shown in Figure 3, when the defrost time default defrost is more than or equal to
Between when, electricity, carries out defrost on electric heater 1166, and the timing of waste heat defrost one of compressor 102 is being absorbed using storage heater 1164
Between after, recycle storage heater 1164 absorb compressor 102 waste heat and electric heater 1166 auxiliary heating carry out defrost, plus
The fast defrost process of air-conditioner 1.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features, structure, material or the feature that are described with reference to the embodiment or example are contained in of the invention at least one real
In applying example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in one or more any embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (14)
1. a kind of air-conditioner, including indoor fan and outdoor fan, it is characterised in that the air-conditioner includes：
Compressor, the output end of the compressor is connected with four-way reversing valve；
Indoor heat converter, one end of the indoor heat converter is connected with the four-way reversing valve；
Outdoor heat converter, one end of the outdoor heat converter is connected with the other end of the indoor heat converter, the room
The other end of outer heat-exchanger is connected with the four-way reversing valve；
Electric expansion valve, is arranged between the other end of one end of the outdoor heat converter and the indoor heat converter, and
The first stop valve is parallel with the electric expansion valve；
Second stop valve, is arranged between the other end of the outdoor heat converter and the four-way reversing valve；Accumulation of heat heated mould
Block, is arranged in parallel between the other end and the four-way reversing valve of the outdoor heat converter with second stop valve；
Wherein, the accumulation of heat heating module includes:
Capillary；
Storage heater, is connected with the capillary；And
Electric heater, is arranged in the storage heater, for aiding in heating.
2. air-conditioner according to claim 1, it is characterised in that
The storage heater is attached to the surface of the compressor into arc-shaped.
3. a kind of defrosting control method of air-conditioner, for air-conditioner as claimed in claim 1 or 2, it is characterised in that described
The defrosting control method of air-conditioner includes：
Detection environment temperature, and be compared with default environment temperature；
When the environment temperature is less than or equal to the default environment temperature,
When meeting defrost condition, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, opened second and end
Valve, and adjust indoor fan rotating speed and be reduced to default low wind rotating speed, meanwhile, electricity on electric heater, into default defrost pattern；Or
When meeting defrost condition, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, opened second and end
Valve, and adjust indoor fan rotating speed and be reduced to default low wind rotating speed, defrost is carried out into default defrost pattern, it is big when the defrost time
When equal to the default defrost time, electricity, carries out defrost on the electric heater；
When the environment temperature is more than the default environment temperature,
When meeting defrost condition, the leaving air temp T1 of indoor heat converter is detected, close the first stop valve, opened second and end
Valve, and adjust indoor fan rotating speed and be reduced to default low wind rotating speed, carry out defrost into default defrost pattern.
4. the defrosting control method of air-conditioner according to claim 3, it is characterised in that the default defrost pattern, tool
Body includes：
After the indoor fan is with the default low wind rotating speed operation Preset Time, that detects the indoor heat converter goes out wind-warm syndrome
Degree T2, and calculate the temperature difference T of the T2 and T1；
The temperature difference T is compared with the first preset temperature,
When the temperature difference T is more than first preset temperature,
First stop valve is opened, second stop valve, adjustment electric expansion valve to the first default aperture, control room is closed
Outer blower fan is out of service, carries out defrost；
When the temperature difference T is less than or equal to first preset temperature, the default defrost pattern is again introduced into.
5. the defrosting control method of air-conditioner according to claim 3, it is characterised in that when the electric heater be in it is upper
During electricity condition, also include：
The surface temperature of electric heater described in real-time detection；
When the surface temperature is more than the second preset temperature, the electric heater power-off is controlled；
When the surface temperature is less than three preset temperatures, electricity on the electric heater is controlled；
Wherein, second preset temperature is more than the 3rd preset temperature.
6. the defrosting control method of air-conditioner according to claim 3, it is characterised in that
When satisfaction exits defrost condition,
Close first stop valve, open second stop valve, adjust the aperture of the electric expansion valve to second default
Aperture；
The indoor fan is controlled to be run with the default low wind rotating speed, when the leaving air temp of the indoor heat converter reaches T2
When, the indoor fan rotational speed regulation is controlled to rotating speed before defrost, into heating mode；
Wherein described second default aperture is more than the described first default aperture.
7. the defrosting control method of air-conditioner according to claim 6, it is characterised in that
When the electric heater is in running order, when satisfaction exits defrost condition,
When detecting that the electric heater surface temperature is less than four preset temperatures, the default defrost pattern is exited.
8. the defrosting control method of air-conditioner according to claim 5, it is characterised in that
When in exit defrost pattern when, when the surface temperature of the electric heater for detecting is less than three preset temperatures, take
Disappear electricity instruction on the electric heater.
9. the defrosting control method of air-conditioner according to claim 3, it is characterised in that
The span of the default environment temperature is 1 DEG C to 3 DEG C.
10. the defrosting control method of air-conditioner according to claim 3, it is characterised in that
The span of the default defrost time is 1 minute to 3 minutes.
The defrosting control method of 11. air-conditioners according to claim 4, it is characterised in that
The span of first preset temperature is 7 DEG C to 11 DEG C.
The defrosting control method of 12. air-conditioners according to claim 4, it is characterised in that
The span of second preset temperature is 70 DEG C to 90 DEG C；
The span of the 3rd preset temperature is 15 DEG C to 25 DEG C.
The defrosting control method of 13. air-conditioners according to claim 7, it is characterised in that
The span of the 4th preset temperature is 5 DEG C to 10 DEG C.
The defrosting control method of 14. air-conditioners according to claim 13, it is characterised in that
The default environment temperature is 2 DEG C；
The default defrost time is 2 minutes；
First preset temperature is 8 DEG C；
Second preset temperature is 80 DEG C；
3rd preset temperature is 20 DEG C；
4th preset temperature is 10 DEG C.
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| CN111503815A (en) * | 2020-04-29 | 2020-08-07 | 广东美的制冷设备有限公司 | Defrosting control method of air conditioning system and air conditioning system |
| CN111503825A (en) * | 2020-04-29 | 2020-08-07 | 广东美的制冷设备有限公司 | Control method of air conditioning system and air conditioning system |
| CN111503823A (en) * | 2020-04-29 | 2020-08-07 | 广东美的制冷设备有限公司 | Control method of air conditioning system and air conditioning system |
| CN111503826B (en) * | 2020-04-29 | 2022-05-10 | 广东美的制冷设备有限公司 | Defrosting control method of air conditioning system and air conditioning system |
| WO2022160766A1 (en) * | 2021-01-29 | 2022-08-04 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device, and air conditioner |
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