CN106352443A - Base plate structure, air conditioner and defrosting control method for air conditioner - Google Patents
Base plate structure, air conditioner and defrosting control method for air conditioner Download PDFInfo
- Publication number
- CN106352443A CN106352443A CN201610935065.4A CN201610935065A CN106352443A CN 106352443 A CN106352443 A CN 106352443A CN 201610935065 A CN201610935065 A CN 201610935065A CN 106352443 A CN106352443 A CN 106352443A
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- China
- Prior art keywords
- air
- outdoor unit
- conditioner
- electric heating
- chassis
- Prior art date
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- 238000010257 thawing Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 167
- 238000005485 electric heating Methods 0.000 claims abstract description 161
- 230000009471 action Effects 0.000 claims description 102
- 208000028659 discharge Diseases 0.000 claims description 91
- 230000005611 electricity Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 4
- 208000001308 Fasciculation Diseases 0.000 claims 1
- 206010028293 Muscle contractions involuntary Diseases 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 49
- 239000000155 melt Substances 0.000 description 36
- 241000521257 Hydrops Species 0.000 description 16
- 206010030113 Oedema Diseases 0.000 description 16
- 230000008018 melting Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- F24F1/60—Arrangement or mounting of the outdoor unit
-
- 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
- F24F1/36—Drip trays for outdoor units
-
- 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
-
- 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
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
-
- 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
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a base plate structure for an outdoor unit of an air conditioner, the outdoor unit of the air conditioner, the air conditioner and a defrosting control method for the air conditioner. The base plate structure for the outdoor unit of the air conditioner comprises an outdoor unit base plate, a base plate electric heating element and a drainage part, wherein a compressor fixing support is arranged on the outdoor unit base plate, and a condenser is installed on the outdoor unit base plate; the base plate electric heating element is arranged at the bottom of the condenser and located above the outdoor unit base plate; and the drainage part is arranged on the outdoor unit base plate and comprises at least one main drainage port, and the main drainage port is located below the base plate electric heating element. By adopting the base plate structure, when the air conditioner is heated for defrosting at a lower outdoor temperature, frost on the condenser and the outdoor unit base plate can be quickly and thoroughly thawed, and the thawed water quickly and smoothly flows out of the main drainage port, so the frost is thawed cleanly and thoroughly, the temperature of an indoor air port is improved, a good heating effect is guaranteed, and the market competitiveness of the product is improved.
Description
Technical field
The present invention relates to air-conditioner technical field, in particular to a kind of chassis structure for air-conditioner outdoor unit,
The defrosting control method of air-conditioner outdoor unit, air-conditioner and air-conditioner.
Background technology
It will usually lead to off-premises station bottom because outdoor temperature is too low when air-conditioner in correlation technique heats in cold region
Disk and the defrost of condenser back be not clean, leads to hydrops to freeze, especially at home simultaneously because the water after melting is difficult to flow away
Northeast, the relatively low region of temperature throughout the year such as external Northern Europe, Canada, in cold season, outdoor condenser back is complete
Portion, by snow and ice cover, greatly reduces indoor draught temperature, leads to heating effect poor, the experience of impact user, and is this
Product is often by customer complaint.
Content of the invention
In order to solve at least one above-mentioned technical problem, the embodiment of a first aspect of the present invention proposes one kind for sky
Adjust the chassis structure of device off-premises station.
A second aspect of the present invention embodiment is it is also proposed that a kind of air-conditioner outdoor unit.
A third aspect of the present invention embodiment is it is also proposed that a kind of air-conditioner.
Another aspect of the invention embodiment is it is also proposed that a kind of defrosting control method of air-conditioner.
In view of this, embodiment according to the first aspect of the invention, the present invention proposes a kind of being used for outside air conditioner chamber
The chassis structure of machine, air-conditioner outdoor unit includes condenser, compressor, and the chassis structure for air-conditioner outdoor unit includes: room
Outer machine chassis, bottom plate of outdoor unit is provided with compressor fixed support, for fixing compressor, condenser machine installed outdoors bottom
On disk；Chassis electric heating part, is arranged on the bottom of condenser, is located outside the top on machine chassis；Drainage Division, is disposed in the outdoor machine
On chassis, Drainage Division includes at least one main discharge outlet, and main discharge outlet is located at the lower section of chassis electric heating part.
Provided by the present invention for the chassis structure of air-conditioner outdoor unit, fixing of setting compressor on bottom plate of outdoor unit
Frame carrys out fixing compressor, on the chassis of condenser machine installed outdoors, by the bottom setting chassis electric heating part in condenser,
Chassis electric heating part is located outside the top on machine chassis so that when air-conditioner heats defrost under the relatively low operating mode of outdoor temperature,
Electric heating part heating in chassis makes that the frost on condenser and bottom plate of outdoor unit is quick, thoroughly melts, it is to avoid cold district condensation
Frost on the back and bottom plate of outdoor unit of device melts unclean and affects the temperature in indoor air port, is effectively improved the speed of defrost
Degree and defrost efficiency so that defrost is clean, thoroughly, by Drainage Division arranged on bottom plate of outdoor unit, Drainage Division at least one
Main discharge outlet is located at the lower section of chassis electric heating part so that the water after melting is quick, move smoothly through at least one main discharge outlet
Flow away, it is to avoid the situation that the water after cold district melts does not flow away in time and freezes, be effectively improved indoor air port
Temperature, improves heating efficiency it is ensured that good heating effect, and then improves the satisfaction that user uses, avoid product simultaneously
By customer complaint, improve user satisfaction and the market competitiveness of product, applied widely.
In addition, the present invention provide above-described embodiment in the chassis structure for air-conditioner outdoor unit can also have as
Lower additional technical feature:
It is preferable that condenser is provided with least one corner structure in technique scheme；Drainage Division includes at least one
Individual pair discharge outlet, one jiao of the bottom plate of outdoor unit corresponding to positioned at least one corner structure；The cross section of wherein secondary discharge outlet
The long-pending cross-sectional area less than main discharge outlet.
In this technical scheme, condenser is provided with least one corner structure, and Drainage Division includes at least one secondary draining
Mouthful, a jiao of the bottom plate of outdoor unit corresponding at least one corner structure is located at so that condensing by least one secondary discharge outlet
The water that device corner structure melts passes through that at least one secondary discharge outlet is quick, smooth flows away, it is to avoid condenser corner structure melts
Water collect in a jiao of bottom plate of outdoor unit and do not flow away in time and freeze, be effectively guaranteed the water after cold district defrost and
When, effectively flow away from bottom plate of outdoor unit, and then improve the temperature of indoor air-out, improve heating efficiency, improve user and use
Satisfaction.Be less than the cross-sectional area of main discharge outlet by the cross-sectional area of secondary discharge outlet, the water after being conducive to melting in time, have
Imitate, thoroughly flow away from bottom plate of outdoor unit, and then ensure good heating effect, so that the structure of bottom plate of outdoor unit is closed simultaneously
Reason, is effectively guaranteed intensity and the reliability of bottom plate of outdoor unit.Further, at least one secondary discharge outlet can be arranged on room
Outer machine chassis each have the corner of demand, if bottom plate of outdoor unit is rectangle, at least one secondary discharge outlet can be 4, respectively
It is arranged on 4 angles of rectangle bottom plate of outdoor unit, it is to avoid bottom plate of outdoor unit installs injustice makes the water after thawing collect in a corner
And the heating effect of icing effect product, be effectively guaranteed the water of defrost thawing thoroughly, in time, smoothly from bottom plate of outdoor unit
On flow away, and then ensure good heating effect, improve the satisfaction that user uses.
It is preferable that at least one main discharge outlet equidistantly distributes below the electric heating part of chassis in technique scheme
Bottom plate of outdoor unit on.
In this technical scheme, at least one main discharge outlet equidistantly distributes the off-premises station bottom below the electric heating part of chassis
On disk, further ensure the water energy after condenser and bottom plate of outdoor unit defrost enough quick, smooth, thoroughly from least one master
Discharge outlet flows away, it is to avoid the hydropexis after cold district defrost freezes and affects heating effect, is effectively improved cold ground
In air conditioner chamber of area, the temperature of air-out is it is ensured that heating efficiency, and ensure that good heating effect, and that improves that user uses expires
Meaning degree, applied widely.
It is preferable that chassis electric heating part is arranged on the surrounding of condenser bottom in technique scheme.
In this technical scheme, chassis electric heating part is arranged on the surrounding of condenser bottom so that chassis electric heating part adds
When hot, condenser bottom is heated evenly, heating surface area is big it is ensured that the frost on condenser is quick, be thoroughly melted, it is to avoid cold
The frost at condenser back is difficult to melt and affects heating effect, is effectively improved defrost speed, ensure that defrost efficiency, improves
Defrost effect, and then improve the satisfaction of user's use.
It is preferable that chassis electric heating part is heat tape in technique scheme.
In this technical scheme, chassis electric heating part is heat tape, heat tape homogeneous heating, it is to avoid chassis electricity plus
Warmware heats uneven and makes condenser and the melts of bottom plate of outdoor unit thoroughly not affect heating effect, is effectively guaranteed
Frost on condenser and bottom plate of outdoor unit quickly, thoroughly melt, and then can ensure heating efficiency, and heat tape becomes simultaneously
This is relatively low, convenient installation, applied widely.
It is preferable that also including in any of the above-described technical scheme: at least one mounting seat, it is disposed in the outdoor machine chassis
Bottom.
In this technical scheme, chassis structure also includes at least one mounting seat, is disposed in the outdoor the bottom on machine chassis,
Enable bottom plate of outdoor unit conveniently, stable, level, be reliably mounted on satisfactory position, and then after ensureing defrost
Water passes through that Drainage Division on bottom plate of outdoor unit is smooth, timely, thoroughly flows away it is ensured that good heating effect, improves simultaneously and produces
The reliability of product, improves the satisfaction that user uses further.Further, the varying number of mounting seat disclosure satisfy that outdoor
The demand of machine chassis different structure, applied widely.
It is preferable that main discharge outlet and secondary discharge outlet are circular discharge outlet in technique scheme, the diameter of main discharge outlet
For d1, a diameter of d2 of secondary discharge outlet, wherein 3cm≤d1≤8cm, 1cm≤d2≤3cm.
In this technical scheme, main discharge outlet and secondary discharge outlet are circular discharge outlet, are conducive to processing, reduce and produce into
This, disclosure satisfy that the requirement of the standardization of products；A diameter of d1 of main discharge outlet, a diameter of d2 of secondary discharge outlet, wherein 3cm≤d1
≤ 8cm, 1cm≤d2≤3cm, it is to avoid main discharge outlet and secondary being relatively large in diameter of discharge outlet and affect the strong of outdoor machine chassis structure
Degree, it is to avoid the diameter of main discharge outlet and secondary discharge outlet is less and so that the water after thawing can not in time, be smoothly flowed away or melt
Water afterwards collect in do not flow away in time on bottom plate of outdoor unit and freeze so that condenser melt frozen water can be timely, quick, suitable
Freely, thoroughly flowed away by main discharge outlet and secondary discharge outlet, be effectively guaranteed the temperature of indoor air-out, improve heating efficiency,
Ensure heating effect well, ensure that intensity and the reliability of bottom plate of outdoor unit simultaneously, and then improve the satisfaction that user uses
Degree.Further, the diameter of main discharge outlet and secondary discharge outlet is matched with the length of condenser and bottom plate of outdoor unit, main discharge outlet
Reduce and reduce so that the ice that melts of condenser with the length of condenser and/or bottom plate of outdoor unit with the diameter of secondary discharge outlet
Water energy is enough timely, quick, smooth, thoroughly flow away, and ensure that intensity and the reliability of bottom plate of outdoor unit simultaneously.
It is preferable that chassis electric heating part is d1 with the distance of the upper surface of bottom plate of outdoor unit in technique scheme, its
Middle 2cm≤d1≤5cm.
In this technical scheme, chassis electric heating part is d1 with the distance of the upper surface of bottom plate of outdoor unit, 2cm≤d1≤
5cm, be effectively guaranteed chassis electric heating part can fully simultaneously, heating condenser and bottom plate of outdoor unit effectively, make condensation
Frost on device and bottom plate of outdoor unit is abundant, thoroughly thawing, and then ensures good heating effect, ensure that chassis electricity adds simultaneously
The safety of warmware working environment, improves the safety that product uses, and then improves the satisfaction that user uses.
It is preferable that the power of chassis electric heating part is p, wherein 200w≤p≤400w in technique scheme.
In this technical scheme, the power of chassis electric heating part is p, 200w≤p≤400w, it is to avoid chassis electric heating part
Power larger and waste the energy, the power simultaneously avoiding chassis electric heating part is less and makes on condenser and bottom plate of outdoor unit
Melts not thorough, be effectively guaranteed chassis electric heating part work efficiency, and saved the energy.Further, chassis
The power of electric heating part is matched with the length of condenser and bottom plate of outdoor unit, and the power of chassis electric heating part is with condenser
And/or the length of bottom plate of outdoor unit reduces and reduces, effectively save the energy, it is to avoid waste, ensure that good simultaneously
Heats.
Embodiment is it is also proposed that a kind of air-conditioner outdoor unit according to the second aspect of the invention, comprising: condenser；Compression
Machine；Outdoor fan；And the chassis structure for air-conditioner outdoor unit described in any of the above-described technical scheme.
The air-conditioner outdoor unit that the embodiment of second aspect present invention provides, including condenser, compressor, outdoor fan and
The chassis structure for air-conditioner outdoor unit described in any of the above-described technical scheme.Because air-conditioner outdoor unit is provided with the present invention
The chassis structure for air-conditioner outdoor unit of one side embodiment, thus have the above-mentioned chassis for air-conditioner outdoor unit knot
Whole beneficial effects of structure, will not be described here.
Embodiment is it is also proposed that a kind of air-conditioner according to the third aspect of the invention we, comprising: indoor fan；Electronic expansion
Valve；Four-way change-over valve；And air-conditioner outdoor unit described above.
The air-conditioner that the embodiment of third aspect present invention provides, including indoor fan, electric expansion valve, four-way change-over valve
With the air-conditioner outdoor unit described in any of the above-described technical scheme.Because air-conditioner is provided with the air-conditioning of second aspect present invention embodiment
Device off-premises station, thus having whole beneficial effects of above-mentioned air-conditioner outdoor unit, will not be described here.Further, air-conditioner
For heat pump type air conditioner, applied widely, disclosure satisfy that the demand of different regions, different user, be effectively improved product
The market competitiveness.
Embodiment is it is also proposed that a kind of defrosting control method of air-conditioner in accordance with a further aspect of the present invention, for above-mentioned
Described air-conditioner, the defrosting control method of air-conditioner includes: detection air-conditioner is in outdoor ambient temperature during heating mode
t1；Judge the relation of ambient temperature t1 and at least one preset temperature threshold value；According to judged result, air-conditioner is controlled to enter defrost
Pattern simultaneously carries out defrost.
The defrosting control method of the air-conditioner that the embodiment of further aspect of the present invention provides, is in system by detecting air-conditioner
During heat pattern, outdoor ambient temperature t1, judges the relation of ambient temperature t1 and at least one preset temperature threshold value, according to judgement
As a result, air-conditioner is controlled to enter defrost pattern and carry out defrost so that air-conditioner can be pre- with least one according to ambient temperature
If the judged result of the relation of temperature threshold, accurately, reasonably carry out defrost, so that the frost on condenser and bottom plate of outdoor unit is existed
Thoroughly, quickly melt, and then the temperature of indoor air-out can be improved it is ensured that good heating effect under cold environment, improve
The satisfaction that user uses, avoids product by customer complaint simultaneously, improves the competitiveness of product in market and satisfaction, is suitable for
In extensive range.Further, the varying number of at least one preset temperature threshold value, disclosure satisfy that different product, different geographical work
Make the demand of environment, applied widely.Further, according to ambient temperature and the relation of at least one preset temperature threshold value
Judged result controls air-conditioner to enter defrost pattern and carries out defrost, can accurately, rationally, effectively carry out defrost, the saving time,
Energy saving, guarantee defrost effect, meet the satisfaction of user's use further.
It is preferable that controlling air-conditioner to enter defrost pattern and carrying out the concrete steps bag of defrost in technique scheme
Include: control air-conditioner to run, execute defrost action after the first prefixed time interval δ t1 and control chassis electric heating part to start
Heating, terminates defrost action after the first preset duration t1, and controls chassis electric heating part to stop after the second preset duration t2
Heating；Or control air-conditioner to run, detect and record condensator outlet temperature t2 and indoor air-out after the 3rd preset duration t3
Mouth temperature t3, is detected and is recorded condensator outlet temperature t20 with the second prefixed time interval δ t2 after the 4th preset duration t4
(i+1) and indoor air outlet temperature t30 (i+1), judge t2-t20 (i+1) the whether default condensator outlet temperature more than or equal to first
Whether degree value of delta t2 or t3-t30 (i+1) preset indoor air outlet temperature gap δ t3 more than or equal to first, work as judged result
During for being, execution defrost action simultaneously controls chassis electric heating part to begin to warm up, and terminates defrost action after the 5th preset duration t5,
And control chassis electric heating part to stop heating after the 6th preset duration t6.
In this technical scheme, control air-conditioner to enter defrost pattern and carry out the concrete steps on the one hand inclusion of defrost:
Air-conditioner is controlled to run, by executing defrost action after the first prefixed time interval δ t1 and controlling chassis electric heating part to start
Heating, so that chassis heat tape in time, fully can heat condenser and bottom plate of outdoor unit, makes condenser and off-premises station bottom
Frost on disk is melted in time, terminates defrost action after the first preset duration t1, and in the second preset duration t2 rear chassis electricity
Heating member stops heating so that chassis electric heating part has the sufficiently long time to make the frost on condenser and bottom plate of outdoor unit thorough
Melt, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect heating effect, ensure simultaneously
Water after thawing thoroughly flows away from bottom plate of outdoor unit and does not freeze, it is to avoid cold district outdoor temperature relatively low and after making thawing not and
When the hydrops that flow away freeze and affect heating effect, be effectively improved indoor leaving air temp it is ensured that good heating effect,
And then improve the satisfaction that user uses, improve the scope of application and the market competitiveness of product.
Control air-conditioner to enter defrost pattern and carry out the concrete steps on the one hand inclusion of defrost: control air-conditioner to run,
By detecting and recording condensator outlet temperature t2 and indoor air outlet temperature t3 after the 3rd preset duration t3, default the 4th
Detected with the second prefixed time interval δ t2 after duration t4 and record condensator outlet temperature t20 (i+1) and indoor air outlet temperature
Degree t30 (i+1), judges whether t2-t20 (i+1) is more than or equal to the first default condensator outlet temperature gap δ t2 or t3-t30
(i+1) whether preset indoor air outlet temperature gap δ t3 more than or equal to first, when judged result is to be, execute defrost action
And control chassis electric heating part to begin to warm up, by judging the difference and first of condensator outlet temperature within a preset time interval
Default condensator outlet temperature gap or indoor leaving air temp difference are next with the relation of the first default indoor air outlet temperature gap
Accurately and reasonably control defrost action and the working condition of chassis electric heating part, ensure that chassis heat tape in time, fully
Ground heating condenser and bottom plate of outdoor unit it is ensured that the promptness of defrost and effectiveness, by terminating after the 5th preset duration t5
Defrost action, and control chassis electric heating part to stop heating so that chassis electric heating part has enough after the 6th preset duration t6
The long time makes the frost on condenser and bottom plate of outdoor unit thoroughly melt, it is to avoid on cold district condenser and bottom plate of outdoor unit
Melts thoroughly do not affect heating effect, the water after simultaneously ensureing to melt thoroughly flows away from bottom plate of outdoor unit and does not tie
Ice, it is to avoid cold district outdoor temperature is relatively low and the hydrops that do not flow away in time after making thawing freeze and affect heating effect, effectively
Improve indoor leaving air temp it is ensured that good heating effect, and then improve the satisfaction that user uses, improve product
The scope of application and the market competitiveness.
Further, different defrosting control methods disclosure satisfy that the demand of different regions outdoor environment, can expire simultaneously
The demand of sufficient different user, applied widely, improve the competitiveness of product in market, the experience of lifting user further.
It is preferable that defrost action specifically includes in technique scheme: four-way change-over valve commutates as refrigeration mode, room
Outer blower fan is out of service, and indoor fan is out of service, and the aperture of electric expansion valve is the first default aperture, and compressor is pre- with first
If frequency is run.
In this technical scheme, defrost action specifically includes, by commutating four-way change-over valve as refrigeration mode, now cold
The cold that condenser absorbs coolant releases heat, is conducive to quick, the thorough thawing of the frost on condenser, improves defrost efficiency；With
When outdoor fan out of service, indoor fan is out of service, and the aperture of electric expansion valve is the first default aperture, and compressor is with the
One predeterminated frequency runs, and the cold medium flux in system is increased rapidly, and runs fast transferring to condenser through compressor, makes
Condenser quick release goes out substantial amounts of heat, is conducive to the melts on condenser and bottom plate of outdoor unit, and then improves defrost
Efficiency, it is ensured that good defrost effect, makes indoor leaving air temp rise, improves heating efficiency, improve the satisfaction that user uses.
Further, the first default aperture is the maximum opening of electric expansion valve, the ratio of the first predeterminated frequency and compressor peak frequency
For preset value, air-conditioner can be made to have the coolant of q.s within the beginning defrost short time and be rapidly migrated in condenser, protect
Card condenser discharges substantial amounts of heat at short notice, and then make that the frost on condenser is rapid, thoroughly melt, it is to avoid cold
Frost on the back and bottom plate of outdoor unit of cryogenic region condenser melts unclean and affects the temperature in indoor air port, effectively improves
The speed of defrost and defrost efficiency, and then improve the satisfaction that user uses.Further, the first predeterminated frequency and compressor
The ratio of peak frequency be 0.8 or other pass through the numerical value that rounds up.
It is preferable that also including after terminating defrost action in technique scheme: control four-way change-over valve commutates and is
Heating mode, outdoor fan is run with the first outdoor fan preset rotation speed, and indoor fan is transported with the first indoor fan preset rotation speed
OK, the aperture of electric expansion valve is the second default aperture, and compressor is run with the second predeterminated frequency.
In this technical scheme, commutated as heating mode, room by after terminating defrost action, controlling four-way change-over valve
Outer blower fan is run with the first outdoor fan preset rotation speed, and indoor fan is run with the first indoor fan preset rotation speed, electronic expansion
The aperture of valve is the second default aperture, and compressor is run with the second predeterminated frequency, so that air-conditioner is changed rapidly after defrost terminates
For heating mode it is ensured that heating efficiency well, and then improve the satisfaction that user uses.
It is preferable that at least one preset temperature threshold value includes 0 DEG C, when ambient temperature t1 in any of the above-described technical scheme
When judged result with relation t1 >=0 DEG C of at least one preset temperature threshold value is to be, air-conditioner is controlled to run, default first
Execute defrost action after time interval δ t1=60 minute and control chassis electric heating part to begin to warm up, in the first preset duration t1
Terminate defrost action after=5 minutes, and control chassis electric heating part to stop heating after the second preset duration t2=t1+5 minute；
Or control air-conditioner to run, detect after the 3rd preset duration t3=10 minute and record condensator outlet temperature t2 and interior goes out
Draught temperature t3, is detected and is recorded with the second prefixed time interval δ t2=1 minute after the 4th preset duration t4=30 minute
Condensator outlet temperature t20 (i+1) and indoor air outlet temperature t30 (i+1), judge t2-t20 (i+1) >=5 DEG C or t3-t30
(i+1) >=8 DEG C, if the determination result is YES, then execute defrost action and control chassis electric heating part to begin to warm up, default the 5th
Terminate defrost action after duration t5=5 minute, and control chassis electric heating part to stop after the 6th preset duration t6=t5+5 minute
Only heat；Otherwise, continue to judge the relation of ambient temperature t1 and at least one preset temperature threshold value.
In this technical scheme, at least one preset temperature threshold value includes 0 DEG C, when ambient temperature t1 is preset with least one
When the judged result of relation t1 >=0 DEG C of temperature threshold is to be, on the one hand, control air-conditioner to run, between the first Preset Time
Execute defrost action and control chassis electric heating part to begin to warm up after δ t1=60 minute, divide in the first preset duration t1=5
Terminate defrost action after clock, and control chassis electric heating part to stop heating after the second preset duration t2=t1+5 minute.So that
Chassis heat tape can in time, fully heat condenser and bottom plate of outdoor unit, makes the ice on condenser and bottom plate of outdoor unit
Frost can melt rapidly, make chassis electric heating part have the sufficiently long time to make the frost on condenser and bottom plate of outdoor unit simultaneously
Thoroughly melt, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect heating effect, simultaneously
Water after ensureing to melt thoroughly flows away from bottom plate of outdoor unit and does not freeze, it is to avoid cold district outdoor temperature is relatively low and after making thawing
The hydrops not flowed away in time freeze and affect heating effect, are effectively improved indoor leaving air temp it is ensured that good heats
Effect, and then improve the satisfaction that user uses, improve the scope of application and the market competitiveness of product；
At least one preset temperature threshold value includes 0 DEG C, when the relation of ambient temperature t1 and at least one preset temperature threshold value
When the judged result of t1 >=0 DEG C is to be, on the one hand, control air-conditioner to run, detect after the 3rd preset duration t3=10 minute
And record condensator outlet temperature t2 and indoor air outlet temperature t3, default with second after the 4th preset duration t4=30 minute
Time interval δ t2=1 minute detects and records condensator outlet temperature t20 (i+1) and indoor air outlet temperature t30 (i+1),
Judge t2-t20 (i+1) >=5 DEG C or t3-t30 (i+1) >=8 DEG C, if the determination result is YES, then execute defrost action and control bottom
Disk electric heating part begins to warm up, and terminates defrost action after the 5th preset duration t5=5 minute, and in the 6th preset duration t6=
Chassis electric heating part is controlled to stop heating after t5+5 minute.By judging the difference of condensator outlet temperature within a preset time interval
Value and the first default condensator outlet temperature gap or indoor leaving air temp difference and the first default indoor air outlet temperature gap
Relation, accurately and reasonably control the working condition of defrost action and chassis electric heating part, ensure that chassis heat tape and
When, fully heating condenser and bottom plate of outdoor unit it is ensured that the promptness of defrost and effectiveness are so that chassis electric heating part has foot
The enough long time makes the frost on condenser and bottom plate of outdoor unit thoroughly melt, it is to avoid cold district condenser and bottom plate of outdoor unit
On melts thoroughly do not affect heating effect, the water after simultaneously ensureing to melt thoroughly flows away from bottom plate of outdoor unit and does not tie
Ice, it is to avoid cold district outdoor temperature is relatively low and the hydrops that do not flow away in time after making thawing freeze and affect heating effect, effectively
Improve indoor leaving air temp it is ensured that good heating effect, and then improve the satisfaction that user uses, improve product
The scope of application and the market competitiveness.
Further, when the judged result of ambient temperature t1 and relation t1 >=0 DEG C of at least one preset temperature threshold value is
When no, continue to judge the relation of ambient temperature t1 and at least one preset temperature threshold value
It is preferable that at least one preset temperature threshold value also includes -7 DEG C in technique scheme, when ambient temperature t1 with
When the judged result of -7 DEG C of the relation of at least one preset temperature threshold value≤0 DEG C of t1 ＜ is to be, air-conditioner is controlled to run, first
Execute defrost action after prefixed time interval δ t1=50 minute and control chassis electric heating part to begin to warm up, when first is default
Terminate defrost action after long t1=8 minute, and control chassis electric heating part to stop after the second preset duration t2=t1+10 minute
Heating；Or control air-conditioner run, detect after the 3rd preset duration t3=10 minute and record condensator outlet temperature t2 and
Indoor air outlet temperature t3, is detected with the second prefixed time interval δ t2=1 minute after the 4th preset duration t4=25 minute
And record condensator outlet temperature t20 (i+1) and indoor air outlet temperature t30 (i+1), judge t2-t20 (i+1) >=4 DEG C or
T3-t30 (i+1) >=7 DEG C, if the determination result is YES, then execution defrost action control chassis electric heating part to begin to warm up, the
Terminate defrost action after five preset duration t5=8 minutes, and control chassis electricity to add after the 6th preset duration t6=t5+10 minute
Warmware stops heating；Otherwise, continue to judge the relation of ambient temperature t1 and at least one preset temperature threshold value.
In this technical scheme, at least one preset temperature threshold value also includes -7 DEG C, when ambient temperature t1 and at least one
When the judged result of -7 DEG C of the relation of preset temperature threshold value≤0 DEG C of t1 ＜ is to be, on the one hand, control air-conditioner to run, first
Execute defrost action after prefixed time interval δ t1=50 minute and control chassis electric heating part to begin to warm up, when first is default
Terminate defrost action after long t1=8 minute, and control chassis electric heating part to stop after the second preset duration t2=t1+10 minute
Heating.Enable chassis heat tape in time, fully to heat condenser and bottom plate of outdoor unit, make condenser and off-premises station bottom
Frost on disk can be melted rapidly, make chassis electric heating part have the sufficiently long time to make condenser and bottom plate of outdoor unit simultaneously
On frost thoroughly melt, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect to heat effect
Really, simultaneously ensure melt after water thoroughly flow away from bottom plate of outdoor unit and do not freeze, it is to avoid cold district outdoor temperature relatively low and
The hydrops that do not flow away in time after making thawing freeze and affect heating effect, are effectively improved indoor leaving air temp it is ensured that good
Good heating effect, and then improve the satisfaction that user uses, improve the scope of application and the market competitiveness of product.
At least one preset temperature threshold value also includes -7 DEG C, when the pass of ambient temperature t1 and at least one preset temperature threshold value
When the judged result of 0 DEG C of -7 DEG C≤t1 ＜ of system is to be, on the one hand, control air-conditioner to run, divide in the 3rd preset duration t3=10
Detect and record condensator outlet temperature t2 and indoor air outlet temperature t3 after clock, after the 4th preset duration t4=25 minute with
Second prefixed time interval δ t2=1 minute detects and records condensator outlet temperature t20 (i+1) and indoor air outlet temperature
T30 (i+1), judges t2-t20 (i+1) >=4 DEG C or t3-t30 (i+1) >=7 DEG C, and if the determination result is YES, then execution defrost is moved
Make and control chassis electric heating part to begin to warm up, after the 5th preset duration t5=8 minute, terminate defrost action, and pre- the 6th
If controlling chassis electric heating part to stop heating after duration t6=t5+10 minute.By judging condenser within a preset time interval
The difference of outlet temperature presets interior with the first default condensator outlet temperature gap or indoor leaving air temp difference with first
The relation of air outlet temperature difference, accurately and reasonably controls defrost action and the working condition of chassis electric heating part, ensure that
In time, fully heating condenser and bottom plate of outdoor unit be it is ensured that the promptness of defrost and effectiveness are so that bottom for chassis heat tape
Disk electric heating part has the sufficiently long time so that the frost on condenser and bottom plate of outdoor unit is thoroughly melted, it is to avoid cold district condenses
Melts on device and bottom plate of outdoor unit thoroughly do not affect heating effect, and the water after simultaneously ensureing to melt is thoroughly from off-premises station
Chassis flows away and does not freeze, it is to avoid cold district outdoor temperature is relatively low and the hydrops that do not flow away in time after making thawing freeze and affect
Heating effect, is effectively improved indoor leaving air temp it is ensured that good heating effect, and then improves the satisfaction that user uses
Degree, improves the scope of application and the market competitiveness of product.
Further, when the judgement of ambient temperature t1 and -7 DEG C of relation≤0 DEG C of the t1 ＜ of at least one preset temperature threshold value
When result is no, continue to judge the relation of ambient temperature t1 and at least one preset temperature threshold value.
It is preferable that at least one preset temperature threshold value also includes -12 DEG C, when ambient temperature t1 in technique scheme
When judged result with -12 DEG C of relation≤＜ -7 DEG C of the t1 of at least one preset temperature threshold value is to be, air-conditioner is controlled to run,
Execute defrost action after first prefixed time interval δ t1=40 minute and control chassis electric heating part to begin to warm up, pre- first
If terminating defrost action after duration t1=8 minute, and control chassis electric heating part after the second preset duration t2=t1+20 minute
Stop heating；Or control air-conditioner to run, detect after the 3rd preset duration t3=10 minute and record condensator outlet temperature
T2 and indoor air outlet temperature t3, with the second prefixed time interval δ t2=1 minute after the 4th preset duration t4=20 minute
Detect and record condensator outlet temperature t20 (i+1) and indoor air outlet temperature t30 (i+1), judge t2-t20 (i+1) >=3
DEG C or t3-t30 (i+1) >=6 DEG C, if the determination result is YES, then execution defrost action and control chassis electric heating part start plus
Heat, terminates defrost action after the 5th preset duration t5=8 minute, and controls after the 6th preset duration t6=t5+15 minute
Chassis electric heating part stops heating；Otherwise, continue to judge the relation of ambient temperature t1 and at least one preset temperature threshold value.
In this technical scheme, at least one preset temperature threshold value also includes -12 DEG C, when ambient temperature t1 and at least one
The judged result of -12 DEG C of the relation of preset temperature threshold value≤＜ -7 DEG C of t1 is when being, on the one hand, control air-conditioner to run, the
Execute defrost action after one prefixed time interval δ t1=40 minute and control chassis electric heating part to begin to warm up, default first
Terminate defrost action after duration t1=8 minute, and control chassis electric heating part to stop after the second preset duration t2=t1+20 minute
Only heat.Enable chassis heat tape in time, fully to heat condenser and bottom plate of outdoor unit, make condenser and off-premises station
Frost on chassis can be melted rapidly, make chassis electric heating part have the sufficiently long time to make condenser and off-premises station bottom simultaneously
Frost on disk is thoroughly melted, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect to heat
Effect, the water after simultaneously ensureing to melt thoroughly flows away from bottom plate of outdoor unit and does not freeze, it is to avoid cold district outdoor temperature is relatively low
And the hydrops that do not flow away in time after making thawing freeze and affect heating effect, be effectively improved indoor leaving air temp it is ensured that
Good heating effect, and then improve the satisfaction that user uses, improve the scope of application and the market competitiveness of product.
At least one preset temperature threshold value also includes -12 DEG C, when ambient temperature t1 and at least one preset temperature threshold value
When the judged result of -12 DEG C of relation≤＜ -7 DEG C of t1 is to be, on the one hand, control air-conditioner to run, in the 3rd preset duration t3=
Detect and record condensator outlet temperature t2 and indoor air outlet temperature t3 after 10 minutes, in the 4th preset duration t4=20 minute
Detect and record condensator outlet temperature t20 (i+1) and indoor air outlet temperature with the second prefixed time interval δ t2=1 minute afterwards
Degree t30 (i+1), judges t2-t20 (i+1) >=3 DEG C or t3-t30 (i+1) >=6 DEG C, if the determination result is YES, then executes defrost
Action simultaneously controls chassis electric heating part to begin to warm up, and terminates defrost action after the 5th preset duration t5=8 minute, and the 6th
Chassis electric heating part is controlled to stop heating after preset duration t6=t5+15 minute.By judging within a preset time interval to condense
The difference of device outlet temperature and the first default condensator outlet temperature gap or indoor leaving air temp difference and the first default interior
The relation of air outlet temperature difference, accurately and reasonably controls defrost action and the working condition of chassis electric heating part, ensure that
In time, fully heating condenser and bottom plate of outdoor unit be it is ensured that the promptness of defrost and effectiveness are so that bottom for chassis heat tape
Disk electric heating part has the sufficiently long time so that the frost on condenser and bottom plate of outdoor unit is thoroughly melted, it is to avoid cold district condenses
Melts on device and bottom plate of outdoor unit thoroughly do not affect heating effect, and the water after simultaneously ensureing to melt is thoroughly from off-premises station
Chassis flows away and does not freeze, it is to avoid cold district outdoor temperature is relatively low and the hydrops that do not flow away in time after making thawing freeze and affect
Heating effect, is effectively improved indoor leaving air temp it is ensured that good heating effect, and then improves the satisfaction that user uses
Degree, improves the scope of application and the market competitiveness of product
Further, sentencing as ambient temperature t1 and -12 DEG C of relation≤＜ -7 DEG C of the t1 of at least one preset temperature threshold value
When disconnected result is no, continue to judge the relation of ambient temperature t1 and at least one preset temperature threshold value.
It is preferable that working as -12 DEG C of the relation of ambient temperature t1 and at least one preset temperature threshold value in technique scheme
When the judged result of ＜ -7 DEG C of≤t1 is no, controls air-conditioner to run, hold after the first prefixed time interval δ t1=40 minute
Row defrost action simultaneously controls chassis electric heating part to begin to warm up, and terminates defrost action after the first preset duration t1=10 minute,
And control chassis electric heating part to stop heating after the second preset duration t2=t1+25 minute；Or control air-conditioner to run, the
Detect and record condensator outlet temperature t2 and indoor air outlet temperature t3 after three preset duration t3=10 minutes, default the 4th
Detect and record condensator outlet temperature t20 (i+1) with the second prefixed time interval δ t2=1 minute after duration t4=20 minute
With indoor air outlet temperature t30 (i+1), judge t2-t20 (i+1) >=2.5 DEG C or t3-t30 (i+1) >=5 DEG C, if judged result
It is yes, then execute defrost action and control chassis electric heating part to begin to warm up, endization after the 5th preset duration t5=8 minute
White action, and control chassis electric heating part to stop heating when compressor is out of service.
In this technical scheme, as -12 DEG C of the relation≤t1 ＜ -7 of ambient temperature t1 and at least one preset temperature threshold value
DEG C judged result be no when, on the one hand, control air-conditioner run, after the first prefixed time interval δ t1=40 minute execute
Defrost action simultaneously controls chassis electric heating part to begin to warm up, and terminates defrost action after the first preset duration t1=10 minute, and
Chassis electric heating part is controlled to stop heating after the second preset duration t2=t1+25 minute.Enable chassis heat tape and
When, fully heating condenser and bottom plate of outdoor unit, so that the frost on condenser and bottom plate of outdoor unit is melted rapidly, simultaneously
Chassis electric heating part is made to have the sufficiently long time so that the frost on condenser and bottom plate of outdoor unit is thoroughly melted, it is to avoid cold ground
Melts on area's condenser and bottom plate of outdoor unit thoroughly do not affect heating effect, the water after simultaneously ensureing to melt thoroughly from
Bottom plate of outdoor unit flows away and does not freeze, it is to avoid cold district outdoor temperature is relatively low and the hydrops that do not flow away in time after making thawing freeze
And affect heating effect, it is effectively improved indoor leaving air temp it is ensured that good heating effect, and then improves user and use
Satisfaction, improve the scope of application of product and the market competitiveness.
When the judged result of ambient temperature t1 and -12 DEG C of relation≤＜ -7 DEG C of the t1 of at least one preset temperature threshold value is no
When, on the one hand, control air-conditioner to run, detect after the 3rd preset duration t3=10 minute and record condensator outlet temperature t2
With indoor air outlet temperature t3, examined with the second prefixed time interval δ t2=1 minute after the 4th preset duration t4=20 minute
Survey and record condensator outlet temperature t20 (i+1) and indoor air outlet temperature t30 (i+1), judge t2-t20 (i+1) >=2.5
DEG C or t3-t30 (i+1) >=5 DEG C, if the determination result is YES, then execution defrost action and control chassis electric heating part start plus
Heat, terminates defrost action after the 5th preset duration t5=8 minute, and controls chassis electric heating part when compressor is out of service
Stop heating.By judging difference and the first default condensator outlet temperature of condensator outlet temperature within a preset time interval
Difference, indoor leaving air temp difference and the relation of the first default indoor air outlet temperature gap, accurately and reasonably control defrost to move
Make the working condition with chassis electric heating part, ensure that chassis heat tape in time, fully heats condenser and off-premises station
Chassis is it is ensured that the promptness of defrost and effectiveness are so that chassis electric heating part has the sufficiently long time to make condenser and off-premises station
Frost on chassis is thoroughly melted, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect to make
Thermal effect, the water after simultaneously ensureing to melt thoroughly flows away from bottom plate of outdoor unit and does not freeze, it is to avoid cold district outdoor temperature is relatively
Hydrops that are low and not flowing away in time after making thawing freeze and affect heating effect, be effectively improved indoor leaving air temp it is ensured that
Good heating effect, and then improve the satisfaction that user uses, improve the scope of application and the market competitiveness of product.
In a particular embodiment, according to 0 DEG C of ambient temperature and three preset temperature threshold values, -7 DEG C, the sentencing of -12 DEG C of relation
Disconnected output control air-conditioner with the first different prefixed time interval δ t1, the first preset duration t1, the second preset duration t2,
Three preset duration t3, the 4th preset duration t4, the 5th preset duration t5, the 6th preset duration t6, the first default condensator outlet
Temperature gap δ t2, the first default indoor air outlet temperature gap δ t3, carry out defrost to enter different defrost patterns, can
Meet that the air-conditioner defrost time is short, the demand of efficiency high, energy saving, so that air-conditioner is ensure that under different outdoor temperatures
Frost on condenser and bottom plate of outdoor unit is all melted and is thoroughly flowed away and do not freeze, and is effectively improved the temperature of indoor air-out
Spend the heating effect it is ensured that good, improve the satisfaction that user uses.
It is preferable that the first outdoor fan preset rotation speed, the first indoor fan are preset and turned in any of the above-described technical scheme
Speed, the second default aperture, the second predeterminated frequency are the rotating speed of outdoor fan during air conditioner heat-production pattern, the rotating speed of indoor fan,
The aperture of electric expansion valve, the frequency of compressor.
In this technical scheme, the first outdoor fan preset rotation speed, the first indoor fan preset rotation speed, second default open
Degree, the second predeterminated frequency are the rotating speed of outdoor fan during air conditioner heat-production pattern, the opening of the rotating speed of indoor fan, electric expansion valve
Degree, compressor frequency so that working condition before and after defrost for the air-conditioner consistent it is ensured that same heating effect, and then make
Sensation before and after defrost for the user is consistent, it is to avoid before and after defrost, the heating effect of air-conditioner is different and affect the use body of user
Test, be effectively improved the satisfaction of user's use.
The additional aspect of the present invention and advantage will become obvious in following description section, or by the practice of the present invention
Recognize.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein:
Fig. 1 is the chassis structure schematic diagram being used for air-conditioner outdoor unit in embodiments of the invention；
Fig. 2 is the defrosting control method schematic flow sheet of the air-conditioner of one embodiment of the present of invention；
Fig. 3 is the defrosting control method schematic flow sheet of the air-conditioner of another embodiment of the present invention；
Fig. 4 is the defrosting control method schematic flow sheet of the air-conditioner of yet another embodiment of the present invention.
Wherein, in Fig. 1, the corresponding relation between reference and component names is:
100 chassis structures, 12 compressor fixed supports, 14 chassis electric heating parts, 16 Drainage Divisions, 162 main discharge outlet, 164
Secondary discharge outlet, 18 mounting seat.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specifically real
Mode of applying is further described in detail to the present invention.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, but, the present invention also may be used
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not described below
Specific embodiment restriction.
Referring to Fig. 1, the described according to some embodiments of the invention chassis structure 100 for air-conditioner outdoor unit is described.
As shown in figure 1, the present invention proposes a kind of chassis structure 100 for air-conditioner outdoor unit, air-conditioner outdoor unit
Including condenser, compressor, the chassis structure 100 for air-conditioner outdoor unit includes: bottom plate of outdoor unit, and bottom plate of outdoor unit sets
It is equipped with compressor fixed support 12, for fixing compressor, on condenser machine installed outdoors chassis；Chassis electric heating part 14,
It is arranged on the bottom of condenser, be located outside the top on machine chassis；Drainage Division 16, is disposed in the outdoor on machine chassis, Drainage Division 16
Including at least one main discharge outlet 162, main discharge outlet 162 is located at the lower section of chassis electric heating part 14.
Provided by the present invention for the chassis structure 100 of air-conditioner outdoor unit, on bottom plate of outdoor unit, setting compressor is solid
Fixed rack 12 carrys out fixing compressor, on the chassis of condenser machine installed outdoors, by the bottom setting chassis of condenser electricity
Heating member 14, chassis electric heating part 14 is located outside the top on machine chassis so that air-conditioner is under the relatively low operating mode of outdoor temperature
When heating defrost, chassis electric heating part 14 heating makes quick, the thorough thawing of the frost on condenser and bottom plate of outdoor unit, it is to avoid
Frost on the back and bottom plate of outdoor unit of cold district condenser melts unclean and affects the temperature in indoor air port, effectively carries
The high speed of defrost and defrost efficiency are so that defrost is clean, thoroughly, by arranging Drainage Division 16, row on bottom plate of outdoor unit
At least one main discharge outlet 162 in water portion 16 is located at the lower section of chassis electric heating part 14 so that the water after melting is quick, swimmingly
Flowed away by least one main discharge outlet 162, it is to avoid the situation that the water after cold district melts does not flow away in time and freezes,
It is effectively improved the temperature in indoor air port, improve heating efficiency it is ensured that good heating effect, and then improve what user used
Satisfaction, avoids product by customer complaint simultaneously, improves user satisfaction and the market competitiveness of product, applied widely
General.
In one embodiment of the invention it is preferable that condenser is provided with least one corner structure；Drainage Division 16 is wrapped
Include at least one secondary discharge outlet 164, one jiao of the bottom plate of outdoor unit corresponding to positioned at least one corner structure；Wherein secondary draining
The cross-sectional area of mouth 164 is less than the cross-sectional area of main discharge outlet 162.
In this embodiment, condenser is provided with least one corner structure, and Drainage Division 16 includes at least one secondary draining
Mouth 164, is located at one jiao of the bottom plate of outdoor unit corresponding at least one corner structure, makes by least one secondary discharge outlet 164
The water that melts of condenser corner structure passes through that at least one secondary discharge outlet 164 is quick, smooth flows away, it is to avoid condenser turning
The water that structure is melted collects in a jiao of bottom plate of outdoor unit and does not flow away in time and freeze, after being effectively guaranteed cold district defrost
Water in time, effectively flow away from bottom plate of outdoor unit, and then improve the temperature of indoor air-out, improve heating efficiency, improve and use
The satisfaction that family uses.It is less than the cross-sectional area of main discharge outlet 162 by the cross-sectional area of secondary discharge outlet 164, be conducive to melting
Rear water in time, effectively, thoroughly flow away from bottom plate of outdoor unit, and then ensures good heating effect, makes off-premises station simultaneously
Chassis rational in infrastructure, be effectively guaranteed intensity and the reliability of bottom plate of outdoor unit.Further, at least one secondary discharge outlet
164 can be disposed in the outdoor machine chassis, and each has the corner of demand, if bottom plate of outdoor unit is rectangle, at least one secondary discharge outlet
164 can be 4, be separately positioned on 4 angles of rectangle bottom plate of outdoor unit, it is to avoid after bottom plate of outdoor unit installation injustice makes thawing
Water collects in the heating effect of a corner and icing effect product, and the water being effectively guaranteed defrost thawing is thorough, timely, suitable
Smooth flows away from bottom plate of outdoor unit, and then ensures good heating effect, improves the satisfaction that user uses.
In one embodiment of the invention it is preferable that at least one main discharge outlet 162 equidistantly distribute chassis electricity plus
On the bottom plate of outdoor unit of warmware 14 lower section.
In this embodiment, at least one main discharge outlet 162 equidistantly distributes the outdoor below chassis electric heating part 14
On machine chassis, further ensure the water energy after condenser and bottom plate of outdoor unit defrost enough quick, smooth, thoroughly from least one
Individual main discharge outlet 162 flows away, it is to avoid the hydropexis after cold district defrost freezes and affects heating effect, is effectively improved
The temperature of cold district interior air-out is it is ensured that heating efficiency, and ensure that good heating effect, and that improves that user uses expires
Meaning degree, applied widely.
In one embodiment of the invention it is preferable that chassis electric heating part 14 is arranged on the surrounding of condenser bottom.
In this embodiment, chassis electric heating part 14 is arranged on the surrounding of condenser bottom so that chassis electric heating part 14
During heating, condenser bottom is heated evenly, heating surface area is big it is ensured that the frost on condenser is quick, be thoroughly melted, it is to avoid
The frost at condenser back is difficult to melt and affects heating effect, is effectively improved defrost speed, ensure that defrost efficiency, lifting
Defrost effect, and then improve the satisfaction of user's use.
In one embodiment of the invention it is preferable that chassis electric heating part 14 is heat tape.
In this embodiment, chassis electric heating part 14 is heat tape, heat tape homogeneous heating, it is to avoid chassis electricity plus
Warmware 14 heats inequality and makes condenser and the melts of bottom plate of outdoor unit thoroughly not affect heating effect, effectively ensures
Frost on condenser and bottom plate of outdoor unit quickly, thoroughly melt, and then can ensure heating efficiency, heat tape simultaneously
Cost is relatively low, convenient installation, applied widely.
In one embodiment of the invention it is preferable that also including: at least one mounting seat 18, it is disposed in the outdoor machine
The bottom on chassis.
In this embodiment, chassis structure 100 also includes at least one mounting seat 18, is disposed in the outdoor the bottom on machine chassis
Portion so that bottom plate of outdoor unit can facilitate, stablize, level, being reliably mounted on satisfactory position, and then after ensureing defrost
Water pass through that Drainage Division 16 on bottom plate of outdoor unit is smooth, timely, thoroughly flow away it is ensured that good heating effect, carry simultaneously
The reliability of high product, improves the satisfaction that user uses further.Further, the varying number of mounting seat 18 can be expired
The demand of sufficient bottom plate of outdoor unit different structure, applied widely.
In one embodiment of the invention it is preferable that main discharge outlet 162 and secondary discharge outlet 164 are circular discharge outlet, main
A diameter of d1 of discharge outlet 162, a diameter of d2 of secondary discharge outlet 164, wherein 3cm≤d1≤8cm, 1cm≤d2≤3cm.
In this embodiment, main discharge outlet 162 and secondary discharge outlet 164 are circular discharge outlet, are conducive to processing, reduce and produce
Cost, disclosure satisfy that the requirement of the standardization of products；A diameter of d1 of main discharge outlet 162, a diameter of d2 of secondary discharge outlet 164, its
Middle 3cm≤d1≤8cm, 1cm≤d2≤3cm, it is to avoid being relatively large in diameter and affect room of main discharge outlet 162 and secondary discharge outlet 164
The intensity of outer machine chassis structure 100, it is to avoid the diameter of main discharge outlet 162 and secondary discharge outlet 164 is less and make the water after thawing
Water after in time, smoothly can not flowing away or melt collects in and does not flow away in time on bottom plate of outdoor unit and freeze so that condenser
Melt frozen water can timely, quick, smooth, thoroughly pass through main discharge outlet 162 and pair discharge outlet 164 flow away, effectively protect
Demonstrate,prove the temperature of indoor air-out, improved heating efficiency it is ensured that heating effect well, ensure that the intensity of bottom plate of outdoor unit simultaneously
And reliability, and then improve the satisfaction that user uses.Further, the diameter of main discharge outlet 162 and secondary discharge outlet 164 with cold
The length of condenser and bottom plate of outdoor unit matches, and the diameter of main discharge outlet 162 and secondary discharge outlet 164 is with condenser and/or room
The length on outer machine chassis reduces and reduces so that the frozen water that condenser melts can timely, quick, smooth, thoroughly flow away, with
When ensure that intensity and the reliability of bottom plate of outdoor unit.
In a particular embodiment, the quantity of main discharge outlet 162 is 5, and the quantity of secondary discharge outlet 164 is 1,5 main rows
The mouth of a river 162 is equidistantly positioned on bottom plate of outdoor unit, so that air-conditioner is in defrost immediately below the heat tape of chassis, bottom
The frozen water that disk heat tape melts away can quick, smooth, thoroughly flowed away by main discharge outlet 162, condenser corner structure melts
The water energy changed is enough quick, smooth, thoroughly pass through secondary discharge outlet 164 flows away, it is to avoid the hydropexis after defrost is at off-premises station bottom
Freeze on disk and affect heating effect, thoroughly solve chassis hydrops and be difficult to flow away, the problem often freezing, it is effectively improved cold
The temperature of cryogenic region interior air-out, it is ensured that heating efficiency, improves the satisfaction that user uses.
In one embodiment of the invention it is preferable that chassis electric heating part 14 and the upper surface of bottom plate of outdoor unit away from
From for d1, wherein 2cm≤d1≤5cm.
In this embodiment, chassis electric heating part 14 and the distance of the upper surface of bottom plate of outdoor unit are d1,2cm≤d1≤
5cm, be effectively guaranteed chassis electric heating part 14 can fully simultaneously, heating condenser and bottom plate of outdoor unit effectively, make cold
Frost on condenser and bottom plate of outdoor unit is abundant, thoroughly thawing, and then ensures good heating effect, ensure that chassis electricity simultaneously
The safety of heating member 14 working environment, improves the safety that product uses, and then improves the satisfaction that user uses.
In one embodiment of the invention it is preferable that the power of chassis electric heating part 14 is p, wherein 200w≤p≤
400w.
In this embodiment, the power of chassis electric heating part 14 is p, 200w≤p≤400w, it is to avoid chassis electric heating part
14 power is larger and wastes the energy, and the power simultaneously avoiding chassis electric heating part 14 is less and makes condenser and off-premises station bottom
Melts on disk are not thorough, are effectively guaranteed chassis electric heating part 14 work efficiency, and saved the energy.Further
Ground, the power of chassis electric heating part 14 is matched with the length of condenser and bottom plate of outdoor unit, the power of chassis electric heating part 14
Length with condenser and/or bottom plate of outdoor unit reduces and reduces, and has effectively saved the energy, it is to avoid waste, has protected simultaneously
Good heats are demonstrate,proved.
Embodiment is it is also proposed that a kind of air-conditioner outdoor unit according to the second aspect of the invention, comprising: condenser；Compression
Machine；Outdoor fan；And the chassis structure 100 for air-conditioner outdoor unit described in any of the above-described technical scheme.
The air-conditioner outdoor unit that the embodiment of second aspect present invention provides, including condenser, compressor, outdoor fan and
The chassis structure 100 for air-conditioner outdoor unit described in any of the above-described technical scheme.Because air-conditioner outdoor unit is provided with this
The chassis structure 100 for air-conditioner outdoor unit of bright first aspect embodiment, thus have above-mentioned for air-conditioner outdoor unit
Chassis structure 100 whole beneficial effects, will not be described here.
Embodiment is it is also proposed that a kind of air-conditioner according to the third aspect of the invention we, comprising: indoor fan；Electronic expansion
Valve；Four-way change-over valve；And air-conditioner outdoor unit described above.
The air-conditioner that the embodiment of third aspect present invention provides, including indoor fan, electric expansion valve, four-way change-over valve
With the air-conditioner outdoor unit described in any of the above-described technical scheme.Because air-conditioner is provided with the air-conditioning of second aspect present invention embodiment
Device off-premises station, thus having whole beneficial effects of above-mentioned air-conditioner outdoor unit, will not be described here.Further, air-conditioner
For heat pump type air conditioner, applied widely, disclosure satisfy that the demand of different regions, different user, be effectively improved product
The market competitiveness.
Another aspect of the invention embodiment it is also proposed that a kind of defrosting control method of air-conditioner, for described above
Air-conditioner, be illustrated in figure 2 the defrosting control method schematic flow sheet of the air-conditioner in one embodiment of the present of invention:
Step 202, detection air-conditioner is in outdoor ambient temperature t1 during heating mode；
Step 204, judges the relation of ambient temperature t1 and at least one preset temperature threshold value；
Step 206, according to judged result, controls air-conditioner to enter defrost pattern and carry out defrost.
The defrosting control method of the air-conditioner that the embodiment of further aspect of the present invention provides, is in system by detecting air-conditioner
During heat pattern, outdoor ambient temperature t1, judges the relation of ambient temperature t1 and at least one preset temperature threshold value, according to judgement
As a result, air-conditioner is controlled to enter defrost pattern and carry out defrost so that air-conditioner can be pre- with least one according to ambient temperature
If the judged result of the relation of temperature threshold, accurately, reasonably carry out defrost, so that the frost on condenser and bottom plate of outdoor unit is existed
Thoroughly, quickly melt, and then the temperature of indoor air-out can be improved it is ensured that good heating effect under cold environment, improve
The satisfaction that user uses, avoids product by customer complaint simultaneously, improves the competitiveness of product in market and satisfaction, is suitable for
In extensive range.Further, the varying number of at least one preset temperature threshold value, disclosure satisfy that different product, different geographical work
Make the demand of environment, applied widely.Further, according to ambient temperature and the relation of at least one preset temperature threshold value
Judged result controls air-conditioner to enter defrost pattern and carries out defrost, can accurately, rationally, effectively carry out defrost, the saving time,
Energy saving, guarantee defrost effect, meet the satisfaction of user's use further.
In one embodiment of the invention it is preferable that controlling air-conditioner to enter defrost pattern and carry out the concrete of defrost
Step includes: controls air-conditioner to run, executes defrost action and control chassis electrical heating after the first prefixed time interval δ t1
Part begins to warm up, and terminates defrost action after the first preset duration t1, and controls chassis electrical heating after the second preset duration t2
Part stops heating；Or control air-conditioner to run, detect after the 3rd preset duration t3 and record condensator outlet temperature t2 and room
Interior air outlet temperature t3, is detected and is recorded condensator outlet temperature with the second prefixed time interval δ t2 after the 4th preset duration t4
Degree t20 (i+1) and indoor air outlet temperature t30 (i+1), judge whether t2-t20 (i+1) is more than or equal to the first default condenser
Outlet temperature value of delta t2 or t3-t30 (i+1) the whether default indoor air outlet temperature gap δ t3 more than or equal to first, when sentencing
When disconnected result is to be, execution defrost action simultaneously controls chassis electric heating part to begin to warm up, endization after the 5th preset duration t5
White action, and control chassis electric heating part to stop heating after the 6th preset duration t6.
In this embodiment, control air-conditioner to enter defrost pattern and carry out the concrete steps on the one hand inclusion of defrost: control
Air-conditioner processed runs, by executing defrost action after the first prefixed time interval δ t1 and controlling chassis electric heating part to start to add
Heat, so that chassis heat tape in time, fully can heat condenser and bottom plate of outdoor unit, makes condenser and bottom plate of outdoor unit
On frost melt in time, after the first preset duration t1 terminate defrost action, and second preset duration t2 rear chassis electricity plus
Warmware stops heating so that chassis electric heating part has the sufficiently long time so that the frost on condenser and bottom plate of outdoor unit is thoroughly melted
Change, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect heating effect, ensure to melt simultaneously
Water after change thoroughly flows away from bottom plate of outdoor unit and does not freeze, it is to avoid cold district outdoor temperature is relatively low and not timely after making thawing
The hydrops that flow away freeze and affect heating effect, are effectively improved indoor leaving air temp it is ensured that good heating effect, enter
And improve satisfaction, the scope of application of raising product and the market competitiveness of user's use.
Control air-conditioner to enter defrost pattern and carry out the concrete steps on the one hand inclusion of defrost: control air-conditioner to run,
By detecting and recording condensator outlet temperature t2 and indoor air outlet temperature t3 after the 3rd preset duration t3, default the 4th
Detected with the second prefixed time interval δ t2 after duration t4 and record condensator outlet temperature t20 (i+1) and indoor air outlet temperature
Degree t30 (i+1), judges whether t2-t20 (i+1) is more than or equal to the first default condensator outlet temperature gap δ t2 or t3-t30
(i+1) whether preset indoor air outlet temperature gap δ t3 more than or equal to first, when judged result is to be, execute defrost action
And control chassis electric heating part to begin to warm up, by judging the difference and first of condensator outlet temperature within a preset time interval
Default condensator outlet temperature gap or indoor leaving air temp difference are next with the relation of the first default indoor air outlet temperature gap
Accurately and reasonably control defrost action and the working condition of chassis electric heating part, ensure that chassis heat tape in time, fully
Ground heating condenser and bottom plate of outdoor unit it is ensured that the promptness of defrost and effectiveness, by terminating after the 5th preset duration t5
Defrost action, and control chassis electric heating part to stop heating so that chassis electric heating part has enough after the 6th preset duration t6
The long time makes the frost on condenser and bottom plate of outdoor unit thoroughly melt, it is to avoid on cold district condenser and bottom plate of outdoor unit
Melts thoroughly do not affect heating effect, the water after simultaneously ensureing to melt thoroughly flows away from bottom plate of outdoor unit and does not tie
Ice, it is to avoid cold district outdoor temperature is relatively low and the hydrops that do not flow away in time after making thawing freeze and affect heating effect, effectively
Improve indoor leaving air temp it is ensured that good heating effect, and then improve the satisfaction that user uses, improve product
The scope of application and the market competitiveness.
Further, different defrosting control methods disclosure satisfy that the demand of different regions outdoor environment, can expire simultaneously
The demand of sufficient different user, applied widely, improve the competitiveness of product in market, the experience of lifting user further.
In one embodiment of the invention it is preferable that defrost action specifically includes: four-way change-over valve commutates as the mould that freezes
Formula, outdoor fan is out of service, and indoor fan is out of service, and the aperture of electric expansion valve is the first default aperture, compressor with
First predeterminated frequency runs.
In this embodiment, defrost action specifically includes, and by four-way change-over valve commutates as refrigeration mode, now condenses
The cold that device absorbs coolant releases heat, is conducive to quick, the thorough thawing of the frost on condenser, improves defrost efficiency；Simultaneously
Outdoor fan is out of service, and indoor fan is out of service, and the aperture of electric expansion valve is the first default aperture, and compressor is with first
Predeterminated frequency runs, and the cold medium flux in system is increased rapidly, and runs fast transferring to condenser through compressor, makes cold
Condenser quick release goes out substantial amounts of heat, is conducive to the melts on condenser and bottom plate of outdoor unit, and then improves defrost effect
Rate, it is ensured that good defrost effect, makes indoor leaving air temp rise, improves heating efficiency, improve the satisfaction that user uses.Enter
One step ground, the first default aperture is the maximum opening of electric expansion valve, and the ratio of the first predeterminated frequency and compressor peak frequency is
Preset value, can make air-conditioner start the defrost short time in have the coolant of q.s and be rapidly migrated in condenser it is ensured that
Condenser discharges substantial amounts of heat at short notice, and then make that the frost on condenser is rapid, thoroughly melt, it is to avoid cold
Frost on the back and bottom plate of outdoor unit of regional condenser melts unclean and affects the temperature in indoor air port, is effectively improved
The speed of defrost and defrost efficiency, and then improve the satisfaction that user uses.Further, the first predeterminated frequency and compressor be
The ratio of big frequency be 0.8 or other pass through the numerical value that rounds up.
In one embodiment of the invention it is preferable that also including after terminating defrost action: control four-way change-over valve
Commutate as heating mode, outdoor fan is run with the first outdoor fan preset rotation speed, indoor fan is preset with the first indoor fan
Rotating speed runs, and the aperture of electric expansion valve is the second default aperture, and compressor is run with the second predeterminated frequency.
In this embodiment, commutated as heating mode, outdoor by after terminating defrost action, controlling four-way change-over valve
Blower fan is run with the first outdoor fan preset rotation speed, and indoor fan is run with the first indoor fan preset rotation speed, electric expansion valve
Aperture be the second default aperture, compressor is run with the second predeterminated frequency, so that air-conditioner is rapidly converted into after defrost terminates
Heating mode is it is ensured that heating efficiency well, and then improves the satisfaction that user uses.
It is illustrated in figure 3 the defrosting control method schematic flow sheet of the air-conditioner of another embodiment of the present invention:
Step 302, detection air-conditioner is in outdoor ambient temperature t1 during heating mode；
Step 304, judges whether ambient temperature t1 and 0 DEG C of preset temperature threshold value meet t1 >=0 DEG C；
Step 306, when the judged result of t1 >=0 DEG C is to be, controls air-conditioner to run, in the first prefixed time interval δ
Execute defrost action after t1=60 minute and control chassis electric heating part to begin to warm up, after the first preset duration t1=5 minute
Terminate defrost action, and control chassis electric heating part to stop heating after the second preset duration t2=t1+5 minute；
Step 308, when the judged result of t1 >=0 DEG C is no, judges that ambient temperature t1 with preset temperature threshold value is for -7 DEG C
0 DEG C of no satisfaction -7 DEG C≤t1 ＜；
Step 310, when 0 DEG C of judged result of -7 DEG C≤t1 ＜ is to be, controls air-conditioner to run, in the first Preset Time
Execute defrost action after the δ t1=50 minute of interval and control chassis electric heating part to begin to warm up, in the first preset duration t1=8
Terminate defrost action after minute, and control chassis electric heating part to stop heating after the second preset duration t2=t1+10 minute；
Step 312, when the judged result of 0 DEG C of -7 DEG C≤t1 ＜ is no, judge ambient temperature t1 and preset temperature threshold value -
Whether 12 DEG C meet ＜ -7 DEG C of -12 DEG C≤t1；
Step 314, when ＜ -7 DEG C of judged result of -12 DEG C≤t1 is to be, controls air-conditioner to run, when first is default
Between execution defrost action control chassis electric heating part to begin to warm up, in the first preset duration t1=after the δ t1=40 minute of interval
Terminate defrost action after 8 minutes, and control chassis electric heating part to stop heating after the second preset duration t2=t1+20 minute；
Step 316, when ＜ -7 DEG C of judged result of -12 DEG C≤t1 is no, controls air-conditioner to run, when first is default
Between execution defrost action control chassis electric heating part to begin to warm up, in the first preset duration t1=after the δ t1=40 minute of interval
Terminate defrost action after 10 minutes, and control chassis electric heating part to stop heating after the second preset duration t2=t1+25 minute.
The defrosting control method of the air-conditioner that the present invention provides, by outdoor temperature t1 and three preset temperature threshold values 0
DEG C, -7 DEG C, the judged result of -12 DEG C of relation control air-conditioner to run, by the first different prefixed time interval δ t1
Execute defrost action afterwards and control chassis electric heating part to begin to warm up so that disk heat tape is under different outdoor environment temperatures
All can in time, fully heat condenser and bottom plate of outdoor unit, enable the frost on condenser and bottom plate of outdoor unit rapid
Melt, by terminating defrost action after the first different preset duration t1, and control after the second different preset duration t2
Chassis electric heating part stops heating so that chassis electric heating part has the sufficiently long time to make the ice on condenser and bottom plate of outdoor unit
Frost thoroughly melts, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect heating effect, with
When ensure melt after water thoroughly flow away from bottom plate of outdoor unit and do not freeze, it is to avoid cold district outdoor temperature is relatively low and make thawing
The hydrops that do not flow away in time afterwards freeze and affect heating effect, are effectively improved indoor leaving air temp it is ensured that good system
Thermal effect, and then improve the satisfaction that user uses, improve the scope of application and the market competitiveness of product.Further, different
Outdoor temperature under, air-conditioner is with the first different prefixed time interval δ t1, the first preset duration t1, the second preset duration t2
Carry out defrost, disclosure satisfy that the air-conditioner defrost time is short, the demand of efficiency high, energy saving, make air-conditioner in different outdoors
At a temperature of ensure that frost on condenser and bottom plate of outdoor unit all melt and thoroughly, flow away in time and do not freeze, effectively
Improve the temperature of indoor air-out it is ensured that good heating effect, improve the satisfaction that user uses.Further, preset
The quantity difference of temperature threshold can meet different regions outdoor environment, the work requirements of different air-conditioner, meets user not
Same demand, applied widely, improve the satisfaction that user uses.
It is illustrated in figure 4 the defrosting control method schematic flow sheet of the air-conditioner of yet another embodiment of the present invention:
Step 402, detection air-conditioner is in outdoor ambient temperature t1 during heating mode；
Step 404, judges whether ambient temperature t1 and 0 DEG C of preset temperature threshold value meet t1 >=0 DEG C；
Step 406, when the judged result of t1 >=0 DEG C is to be, controls air-conditioner to run, in the 3rd preset duration t3=10
Detect and record condensator outlet temperature t2 and indoor air outlet temperature t3, after the 4th preset duration t4=30 minute after minute
Detect and record condensator outlet temperature t20 (i+1) and indoor air outlet temperature with the second prefixed time interval δ t2=1 minute
T30 (i+1), judges t2-t20 (i+1) >=5 DEG C or t3-t30 (i+1) >=8 DEG C, and if the determination result is YES, then execution defrost is moved
Make and control chassis electric heating part to begin to warm up, after the 5th preset duration t5=5 minute, terminate defrost action, and pre- the 6th
If controlling chassis electric heating part to stop heating after duration t6=t5+5 minute；
Step 408, when the judged result of t1 >=0 DEG C is no, judges that ambient temperature t1 with preset temperature threshold value is for -7 DEG C
0 DEG C of no satisfaction -7 DEG C≤t1 ＜；
Step 410, when 0 DEG C of judged result of -7 DEG C≤t1 ＜ is to be, controls air-conditioner to run, in the 3rd preset duration
Detect and record condensator outlet temperature t2 and indoor air outlet temperature t3 after t3=10 minute, in the 4th preset duration t4=25
Detect and record condensator outlet temperature t20 (i+1) and indoor air-out with the second prefixed time interval δ t2=1 minute after minute
Mouth temperature t30 (i+1), judges t2-t20 (i+1) >=4 DEG C or t3-t30 (i+1) >=7 DEG C, if the determination result is YES, then executes
Defrost action simultaneously controls chassis electric heating part to begin to warm up, and terminates defrost action after the 5th preset duration t5=8 minute, and
Chassis electric heating part is controlled to stop heating after 6th preset duration t6=t5+10 minute；
Step 412, when the judged result of 0 DEG C of -7 DEG C≤t1 ＜ is no, judge ambient temperature t1 and preset temperature threshold value -
Whether 12 DEG C meet ＜ -7 DEG C of -12 DEG C≤t1；
Step 414, when ＜ -7 DEG C of judged result of -12 DEG C≤t1 is to be, controls air-conditioner to run, when the 3rd is default
Detect and record condensator outlet temperature t2 and indoor air outlet temperature t3 after long t3=10 minute, in the 4th preset duration t4=
Detected with the second prefixed time interval δ t2=1 minute after 20 minutes and record condensator outlet temperature t20 (i+1) and interior goes out
Draught temperature t30 (i+1), judges t2-t20 (i+1) >=3 DEG C or t3-t30 (i+1) >=6 DEG C, if the determination result is YES, then holds
Row defrost action simultaneously controls chassis electric heating part to begin to warm up, and terminates defrost action after the 5th preset duration t5=8 minute, and
Chassis electric heating part is controlled to stop heating after the 6th preset duration t6=t5+15 minute；
Step 416, when ＜ -7 DEG C of judged result of -12 DEG C≤t1 is no, controls air-conditioner to run, when the 3rd is default
Detect and record condensator outlet temperature t2 and indoor air outlet temperature t3 after long t3=10 minute, in the 4th preset duration t4=
Detected with the second prefixed time interval δ t2=1 minute after 20 minutes and record condensator outlet temperature t20 (i+1) and interior goes out
Draught temperature t30 (i+1), judges t2-t20 (i+1) >=2.5 DEG C or t3-t30 (i+1) >=5 DEG C, if the determination result is YES, then
Execution defrost action simultaneously controls chassis electric heating part to begin to warm up, and terminates defrost action after the 5th preset duration t5=8 minute,
And control chassis electric heating part to stop heating when compressor is out of service.
The defrosting control method of the air-conditioner that the present invention provides, by outdoor temperature t1 and three preset temperature threshold values 0
DEG C, -7 DEG C, the judged result of -12 DEG C of relation control air-conditioner to run, by detecting after the 3rd different preset duration t3
And record condensator outlet temperature t2 and indoor air outlet temperature t3, when presetting with second after the 4th different preset duration t4
Between interval δ t2 detect and record condensator outlet temperature t20 (i+1) and indoor air outlet temperature t30 (i+1), judge t2-t20
(i+1) whether whether be more than more than or equal to the different first default condensator outlet temperature gap δ t2 or t3-t30 (i+1) etc.
In the different first default indoor air outlet temperature gap δ t3, if the determination result is YES, then execute defrost action and control bottom
Disk electric heating part begin to warm up so that the defrost beginning and ending time of air-conditioner accurately, defrost action rationally, defrost efficiency high, defrost
Respond well, ensure that chassis heat tape in time, fully heating condenser and bottom plate of outdoor unit it is ensured that defrost timely
Property and effectiveness, by terminating defrost action after the 5th different preset duration t5, and in the 6th different preset duration t6
Chassis electric heating part is controlled to stop heating so that chassis electric heating part has the sufficiently long time to make condenser and bottom plate of outdoor unit afterwards
On frost thoroughly melt, it is to avoid the melts on cold district condenser and bottom plate of outdoor unit thoroughly do not affect to heat effect
Really, simultaneously ensure melt after water thoroughly flow away from bottom plate of outdoor unit and do not freeze, it is to avoid cold district outdoor temperature relatively low and
The hydrops that do not flow away in time after making thawing freeze and affect heating effect, are effectively improved indoor leaving air temp it is ensured that good
Good heating effect, and then improve the satisfaction that user uses, improve the scope of application and the market competitiveness of product.Further
Ground, under different outdoor temperatures, air-conditioner is with the 3rd different preset duration t3, the 4th preset duration t4, the 5th preset duration
T5, the 6th preset duration t6, the first default condensator outlet temperature gap, the first default indoor air outlet temperature gap
Frost, disclosure satisfy that the air-conditioner defrost time is short, the demand of efficiency high, energy saving, makes air-conditioner under different outdoor temperatures
Ensure that the frost on condenser and bottom plate of outdoor unit all melt and thoroughly, flow away in time and do not freeze, effectively improve
The temperature of indoor air-out, it is ensured that good heating effect, improves the satisfaction that user uses.Further, preset temperature threshold
The quantity difference of value can meet different regions outdoor environment, the work requirements of different air-conditioner, meets the different demands of user,
Applied widely, improve the satisfaction that user uses.Further, the second prefixed time interval at a temperature of different outdoor environments
The value of δ t2 can also be different, it is to avoid air-conditioner frequently detects and judges workload larger and affect heating efficiency and heat
Effect, has saved the energy effectively, improves the satisfaction that user uses, and improves the reliability of product simultaneously.
In one embodiment of the invention it is preferable that the first outdoor fan preset rotation speed, the first indoor fan are preset and turned
Speed, the second default aperture, the second predeterminated frequency are the rotating speed of outdoor fan during air conditioner heat-production pattern, the rotating speed of indoor fan,
The aperture of electric expansion valve, the frequency of compressor.
In this embodiment, the first outdoor fan preset rotation speed, the first indoor fan preset rotation speed, the second default aperture,
Second predeterminated frequency is the rotating speed of outdoor fan during air conditioner heat-production pattern, the rotating speed of indoor fan, the aperture of electric expansion valve,
The frequency of compressor so that working condition before and after defrost for the air-conditioner consistent it is ensured that same heating effect, and then make user
Sensation before and after defrost is consistent, it is to avoid before and after defrost, the heating effect of air-conditioner is different and affect the experience of user, has
Improve to effect the satisfaction of user's use.
In sum, the chassis structure for air-conditioner outdoor unit of the offer of the present invention, air-conditioner outdoor unit, air-conditioner
With the defrosting control method of air-conditioner, by the bottom setting chassis electric heating part in condenser, chassis electric heating part is located at room
So that air-conditioner is in the relatively low heating mode defrost of outdoor temperature, electric heating part heating in chassis makes cold for the top on outer machine chassis
Frost on condenser and bottom plate of outdoor unit is quick, thoroughly melt, it is to avoid the back of cold district condenser and bottom plate of outdoor unit
On frost melt clean and affect the temperature in indoor air port, be effectively improved speed and the defrost efficiency of defrost, by
Drainage Division is arranged on bottom plate of outdoor unit, at least one main discharge outlet of Drainage Division is located at the lower section of chassis electric heating part so that melting
Water after change is quick, move smoothly through at least one main discharge outlet flows away, it is to avoid the water after cold district melts is not timely
The situation flowing away and freezing, is effectively improved the temperature in indoor air port, improves heating efficiency it is ensured that good heating effect,
And then improve the satisfaction that user uses, avoid product by customer complaint simultaneously, improve product the satisfaction of use and
The market competitiveness, applied widely.
In the present invention, term " multiple " then refers to two or more, limits unless otherwise clear and definite.Term " peace
Dress ", " being connected ", " connection ", the term such as " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected it is also possible to
It is to be detachably connected, or be integrally connected；" being connected " can be joined directly together it is also possible to be indirectly connected to by intermediary.Right
For those of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, the description of term " embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features with reference to this embodiment or example description, structure, material or feature are contained at least one reality of the present invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.And, the specific features of description, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.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 (20)
1. a kind of chassis structure for air-conditioner outdoor unit, described air-conditioner outdoor unit includes condenser, compressor, its feature
It is, the described chassis structure for air-conditioner outdoor unit includes:
Bottom plate of outdoor unit, described bottom plate of outdoor unit is provided with compressor fixed support, is used for fixing described compressor, described cold
Condenser is arranged on described bottom plate of outdoor unit；
Chassis electric heating part, is arranged on the bottom of described condenser, positioned at the top of described bottom plate of outdoor unit；
Drainage Division, is arranged on described bottom plate of outdoor unit, and described Drainage Division includes at least one main discharge outlet, described main discharge outlet
Lower section positioned at described chassis electric heating part.
2. the chassis structure for air-conditioner outdoor unit according to claim 1 it is characterised in that
Described condenser is provided with least one corner structure；
Described Drainage Division includes at least one secondary discharge outlet, positioned at the described off-premises station corresponding at least one corner structure described
One jiao of chassis；
The cross-sectional area of wherein said pair discharge outlet is less than the cross-sectional area of described main discharge outlet.
3. the chassis structure for air-conditioner outdoor unit according to claim 1 and 2 it is characterised in that
At least one main discharge outlet described equidistantly distributes on the described bottom plate of outdoor unit below the electric heating part of described chassis.
4. the chassis structure for air-conditioner outdoor unit according to claim 3 it is characterised in that
Described chassis electric heating part is arranged on the surrounding of described condenser bottom.
5. the chassis structure for air-conditioner outdoor unit according to claim 5 it is characterised in that
Described chassis electric heating part is heat tape.
6. the chassis structure for air-conditioner outdoor unit according to any one of claim 1 to 5 is it is characterised in that go back
Including:
At least one mounting seat, is arranged on the bottom of described bottom plate of outdoor unit.
7. the chassis structure for air-conditioner outdoor unit according to claim 2 it is characterised in that
Described main discharge outlet and described pair discharge outlet are circular discharge outlet, a diameter of d1 of described main discharge outlet, the draining of described pair
A diameter of d2, wherein 3cm≤d1≤8cm, 1cm≤d2≤3cm of mouth.
8. the chassis structure for air-conditioner outdoor unit according to claim 1 it is characterised in that
Described chassis electric heating part is d1, wherein 2cm≤d1≤5cm with the distance of the upper surface of described bottom plate of outdoor unit.
9. the chassis structure for air-conditioner outdoor unit according to claim 1 it is characterised in that
The power of described chassis electric heating part is p, wherein 200w≤p≤400w.
10. a kind of air-conditioner outdoor unit is it is characterised in that include:
Condenser；
Compressor；
Outdoor fan；And
It is used for the chassis structure of air-conditioner outdoor unit as claimed in any one of claims 1-9 wherein.
A kind of 11. air-conditioners are it is characterised in that include:
Indoor fan；
Electric expansion valve；
Four-way change-over valve；And
Air-conditioner outdoor unit as claimed in claim 10.
A kind of 12. defrosting control methods of air-conditioner, for air-conditioner as claimed in claim 11 it is characterised in that described
The defrosting control method of air-conditioner includes:
Detect that described air-conditioner is in outdoor ambient temperature t1 during heating mode；
Judge the relation of described ambient temperature t1 and at least one preset temperature threshold value；
According to described judged result, described air-conditioner is controlled to enter defrost pattern and carry out defrost.
The defrosting control method of 13. air-conditioners according to claim 12 is it is characterised in that the described air-conditioner of described control
Enter defrost pattern and carry out the concrete steps of defrost and include:
Control described air-conditioner to run, execute defrost action after the first prefixed time interval δ t1 and control described chassis electricity to add
Warmware begins to warm up, and terminates defrost action, and control described chassis after the second preset duration t2 after the first preset duration t1
Electric heating part stops heating；Or
Control described air-conditioner to run, detect and record described condensator outlet temperature t2 and described after the 3rd preset duration t3
Indoor air outlet temperature t3, is detected and is recorded described condenser with the second prefixed time interval δ t2 after the 4th preset duration t4
Outlet temperature t20 (i+1) and described indoor air outlet temperature t30 (i+1), judge whether t2-t20 (i+1) is more than or equal to first
Whether default condensator outlet temperature gap δ t2 or t3-t30 (i+1) is more than or equal to the first default indoor air outlet temperature difference
Value δ t3, when judged result is to be, execution defrost action simultaneously controls described chassis electric heating part to begin to warm up, default the 5th
Terminate defrost action after duration t5, and control described chassis electric heating part to stop heating after the 6th preset duration t6.
The defrosting control method of 14. air-conditioners according to claim 13 is it is characterised in that described defrost action is specifically wrapped
Include:
Described four-way change-over valve commutates as refrigeration mode, and described outdoor fan is out of service, and described indoor fan is out of service, institute
The aperture stating electric expansion valve is the first default aperture, and described compressor is run with the first predeterminated frequency.
The defrosting control method of 15. air-conditioners according to claim 14 is it is characterised in that terminate defrost action described
Also include afterwards:
Described four-way change-over valve is controlled to commutate as heating mode, described outdoor fan is run with the first outdoor fan preset rotation speed,
Described indoor fan is run with the first indoor fan preset rotation speed, and the aperture of described electric expansion valve is the second default aperture, institute
State compressor to run with the second predeterminated frequency.
The defrosting control method of 16. air-conditioners according to any one of claim 13 to 15 it is characterised in that
At least one preset temperature threshold value described includes 0 DEG C, when described ambient temperature t1 and at least one preset temperature threshold described
When the judged result of relation t1 >=0 DEG C of value is to be, described air-conditioner is controlled to run, in the first prefixed time interval δ t1=60
Execute defrost action after minute and control described chassis electric heating part to begin to warm up, tie after the first preset duration t1=5 minute
Fasciculation frost action, and control described chassis electric heating part to stop heating after the second preset duration t2=t1+5 minute；Or
Control described air-conditioner to run, detect after the 3rd preset duration t3=10 minute and record described condensator outlet temperature
T2 and described indoor air outlet temperature t3, with the second prefixed time interval δ t2=1 after the 4th preset duration t4=30 minute
Minute detects and records described condensator outlet temperature t20 (i+1) and described indoor air outlet temperature t30 (i+1), judges t2-
T20 (i+1) >=5 DEG C or t3-t30 (i+1) >=8 DEG C, if the determination result is YES, then execute defrost action and control described chassis
Electric heating part begins to warm up, and terminates defrost action after the 5th preset duration t5=5 minute, and in the 6th preset duration t6=t5
Described chassis electric heating part is controlled to stop heating after+5 minutes；
Otherwise, continue to judge the relation of described ambient temperature t1 and at least one preset temperature threshold value.
The defrosting control method of 17. air-conditioners according to claim 16 it is characterised in that
At least one preset temperature threshold value described also includes -7 DEG C, when described ambient temperature t1 and at least one preset temperature described
When the judged result of -7 DEG C of the relation of threshold value≤0 DEG C of t1 ＜ is to be, described air-conditioner is controlled to run, in the first prefixed time interval
Execute defrost action after δ t1=50 minute and control described chassis electric heating part to begin to warm up, in the first preset duration t1=8
Terminate defrost action after minute, and control described chassis electric heating part to stop adding after the second preset duration t2=t1+10 minute
Heat；Or
Control described air-conditioner to run, detect after the 3rd preset duration t3=10 minute and record described condensator outlet temperature
T2 and described indoor air outlet temperature t3, with the second prefixed time interval δ t2=1 after the 4th preset duration t4=25 minute
Minute detects and records described condensator outlet temperature t20 (i+1) and described indoor air outlet temperature t30 (i+1), judges t2-
T20 (i+1) >=4 DEG C or t3-t30 (i+1) >=7 DEG C, if the determination result is YES, then execute defrost action and control described chassis
Electric heating part begins to warm up, and terminates defrost action after the 5th preset duration t5=8 minute, and in the 6th preset duration t6=t5
Described chassis electric heating part is controlled to stop heating after+10 minutes；
Otherwise, continue to judge the relation of described ambient temperature t1 and at least one preset temperature threshold value.
The defrosting control method of 18. air-conditioners according to claim 17 it is characterised in that
At least one preset temperature threshold value described also includes -12 DEG C, when described ambient temperature t1 and at least one default temperature described
When the judged result of -12 DEG C of relation≤＜ -7 DEG C of the t1 of degree threshold value is to be, described air-conditioner is controlled to run, in the first Preset Time
Execute defrost action after the δ t1=40 minute of interval and control described chassis electric heating part to begin to warm up, in the first preset duration t1
Terminate defrost action after=8 minutes, and control described chassis electric heating part to stop after the second preset duration t2=t1+20 minute
Heating；Or
Control described air-conditioner to run, detect after the 3rd preset duration t3=10 minute and record described condensator outlet temperature
T2 and described indoor air outlet temperature t3, with the second prefixed time interval δ t2=1 after the 4th preset duration t4=20 minute
Minute detects and records described condensator outlet temperature t20 (i+1) and described indoor air outlet temperature t30 (i+1), judges t2-
T20 (i+1) >=3 DEG C or t3-t30 (i+1) >=6 DEG C, if the determination result is YES, then execute defrost action and control described chassis
Electric heating part begins to warm up, and terminates defrost action after the 5th preset duration t5=8 minute, and in the 6th preset duration t6=t5
Described chassis electric heating part is controlled to stop heating after+15 minutes；
Otherwise, continue to judge the relation of described ambient temperature t1 and at least one preset temperature threshold value.
The defrosting control method of 19. air-conditioners according to claim 18 it is characterised in that
Judged result when described ambient temperature t1 and -12 DEG C of relation≤＜ -7 DEG C of the t1 of at least one preset temperature threshold value described
For no when, control described air-conditioner to run, execution defrost action controlling after the first prefixed time interval δ t1=40 minute
Described chassis electric heating part begins to warm up, and terminates defrost action after the first preset duration t1=10 minute, and default second
Described chassis electric heating part is controlled to stop heating after duration t2=t1+25 minute；Or
Control described air-conditioner to run, detect after the 3rd preset duration t3=10 minute and record described condensator outlet temperature
T2 and described indoor air outlet temperature t3, with the second prefixed time interval δ t2=1 after the 4th preset duration t4=20 minute
Minute detects and records described condensator outlet temperature t20 (i+1) and described indoor air outlet temperature t30 (i+1), judges t2-
T20 (i+1) >=2.5 DEG C or t3-t30 (i+1) >=5 DEG C, if the determination result is YES, then execute defrost action and control described bottom
Disk electric heating part begins to warm up, and terminates defrost action after the 5th preset duration t5=8 minute, and stops fortune in described compressor
Described chassis electric heating part is controlled to stop heating during row.
The defrosting control method of 20. air-conditioners according to any one of claim 15 to 19 it is characterised in that
Described first outdoor fan preset rotation speed, described first indoor fan preset rotation speed, the described second default aperture, described the
Two predeterminated frequencies are the rotating speed of described outdoor fan during described air conditioner heat-production pattern, the rotating speed of described indoor fan, described electricity
The aperture of sub- expansion valve, the frequency of described compressor.
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| CN201610935065.4A CN106352443A (en) | 2016-10-25 | 2016-10-25 | Base plate structure, air conditioner and defrosting control method for air conditioner |
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| CN201610935065.4A CN106352443A (en) | 2016-10-25 | 2016-10-25 | Base plate structure, air conditioner and defrosting control method for air conditioner |
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| CN110848885A (en) * | 2019-11-28 | 2020-02-28 | 广东美的制冷设备有限公司 | Air conditioner, defrosting method thereof and computer readable storage medium |
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| CN111387841A (en) * | 2020-05-07 | 2020-07-10 | 珠海格力电器股份有限公司 | Cooking time adjusting method and device in cooking equipment and cooking equipment |
| CN112212466A (en) * | 2020-10-21 | 2021-01-12 | 广东积微科技有限公司 | Control method and control device for chassis heater of air conditioner outdoor unit and air conditioner |
| CN113028594A (en) * | 2021-04-21 | 2021-06-25 | 宁波奥克斯电气股份有限公司 | Heating defrosting method and device for air conditioner, air conditioner and readable storage medium |
| CN113375291A (en) * | 2021-06-25 | 2021-09-10 | 宁波奥克斯电气股份有限公司 | Defrosting control method for air conditioner |
| CN113915734A (en) * | 2021-09-27 | 2022-01-11 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN113959063A (en) * | 2021-11-16 | 2022-01-21 | 宁波奥克斯电气股份有限公司 | Control method and control device of air conditioner and air conditioner |
| CN114576795A (en) * | 2021-12-28 | 2022-06-03 | 宁波奥克斯电气股份有限公司 | Control method of chassis electric heater and air conditioner |
| CN114576795B (en) * | 2021-12-28 | 2023-09-01 | 宁波奥克斯电气股份有限公司 | Control method of chassis electric heater and air conditioner |
| CN115076905A (en) * | 2022-08-10 | 2022-09-20 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device and air conditioner |
| CN115076905B (en) * | 2022-08-10 | 2023-07-18 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device and air conditioner |
| CN115325661A (en) * | 2022-08-18 | 2022-11-11 | 宁波奥克斯电气股份有限公司 | Control method of electric heating belt, air conditioner and computer readable storage medium |
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