CN106642403A - Air conditioner outdoor unit and air conditioning system - Google Patents
Air conditioner outdoor unit and air conditioning system Download PDFInfo
- Publication number
- CN106642403A CN106642403A CN201710100239.XA CN201710100239A CN106642403A CN 106642403 A CN106642403 A CN 106642403A CN 201710100239 A CN201710100239 A CN 201710100239A CN 106642403 A CN106642403 A CN 106642403A
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- Prior art keywords
- heat exchanger
- outdoor heat
- air
- branch
- valve
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000011324 bead Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 28
- 238000010257 thawing Methods 0.000 abstract 7
- 239000003507 refrigerant Substances 0.000 description 25
- 230000008020 evaporation Effects 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 10
- 230000009172 bursting Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000201246 Cycloloma atriplicifolium Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 208000006440 Open Bite Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000007704 transition Effects 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
-
- 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
- F24F1/14—Heat exchangers specially adapted for separate 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
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an air conditioner outdoor unit and an air conditioning system, wherein the air conditioner outdoor unit comprises: an outdoor heat exchanger having at least two outdoor heat exchanger subsections, at least one outdoor heat exchanger subsection being in an evaporator mode when at least one outdoor heat exchanger subsection is defrosted; the wind shielding mechanism is only used for shielding the outdoor heat exchanger subsection subjected to defrosting and used for shielding one side, close to the outdoor fan, of the outdoor heat exchanger subsection subjected to defrosting. When the air conditioner outdoor unit needs defrosting, the wind shielding mechanism only shields the outdoor heat exchanger subsection which is subjected to defrosting, and shields one side, close to the outdoor fan, of the outdoor heat exchanger subsection which is subjected to defrosting, the outdoor heat exchanger subsection in the evaporator mode is not shielded by the wind shielding mechanism, so that defrosting heat of the outdoor heat exchanger subsection is prevented from being taken away by the outdoor fan, the defrosting effect is improved, meanwhile, the heat exchange quantity between the outdoor heat exchanger subsection in the evaporator mode and the outside is increased, and the heating effect is also improved.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, it relates to a kind of air-conditioner outdoor unit and air-conditioning system.
Background technology
When air-conditioning system is heated in the winter time, because outdoor heat exchanger temperature is relatively low, frosting problem can be produced.If defrost is too late
When, it will affect the heat exchange of outdoor heat exchanger, the heating capacity for causing air-conditioning system to decay.
In order to realize defrost, outdoor heat exchanger is divided into into two parts, a part of defrost, a part are persistently heated.But, if
When outdoor fan operates, heat and ensure that, defrost effect will be greatly affected, and defrost heat is brought to outdoor environment,
Cause defrost not clean or long-time defrost；If outdoor fan shuts down, defrost ensure that, non-defrost part is substantially without changing
Heat, heating effect decay is larger, does not reach and effectively heats, and heating effect is poor.
In sum, heating effect when defrost effect and defrost how is improved simultaneously, is current people in the art
Member's problem demanding prompt solution.
The content of the invention
It is an object of the invention to provide a kind of air-conditioner outdoor unit, heat effect when defrost effect and defrost to improve simultaneously
Really.
To achieve these goals, the present invention provides following technical scheme：
A kind of air-conditioner outdoor unit, including：
Outdoor heat exchanger, the outdoor heat exchanger includes at least two outdoor heat exchanger branches, outdoor described at least one
When heat exchanger branch carries out defrost, outdoor heat exchanger branch described at least one is in evaporator mode；
It is only used for blocking the wind-blocking mechanism of the outdoor heat exchanger branch for carrying out defrost, and the wind-blocking mechanism is used to hide
Gear carries out the outdoor heat exchanger branch of defrost near the side of outdoor fan.
Preferably, outdoor heat exchanger branch alternately defrost described at least two, the wind-blocking mechanism alternately blocks institute
State outdoor heat exchanger branch.
Preferably, the wind-blocking mechanism keeps out the wind clamp mechanism including at least two, and the clamp mechanism that keeps out the wind is changed with the outdoor
Re Qi branches correspond.
Preferably, the clamp mechanism that keeps out the wind includes：Deep bead, the first driver part for driving the deep bead flexible.
Preferably, the clamp mechanism that keeps out the wind includes：The roller shutter that keeps out the wind of the spool is fixed in spool, one end, drives described
The second driver part that spool is rotated.
Preferably, above-mentioned air-conditioner outdoor unit also includes：Auxiliary for receiving the water on the outdoor heat exchanger outer wall connects
Water pond, the auxiliary drip tray is located between the top of the outdoor heat exchanger and bottom, and the auxiliary drip tray passes through draining
Pipe is connected with the bottom drip tray of the air-conditioner outdoor unit.
Preferably, vertically, the auxiliary drip tray is located at the middle part of the outdoor heat exchanger.
Preferably, outdoor heat exchanger branch is vertically distributed described in any two, and the auxiliary drip tray is located at edge
Between two adjacent outdoor heat exchanger branches of vertical direction.
Preferably, the drainpipe is stretched in the compressor chamber of the air-conditioner outdoor unit.
Preferably, the restricting element of the air-conditioner outdoor unit is choke valve, and the outdoor heat exchanger branch is arranged in parallel, institute
State outdoor heat exchanger branch place parallel branch and be serially connected with first-class control valve, the first-class control valve has throttle power
Energy；And in the parallel branch, the first-class control valve is located at the upstream of the outdoor heat exchanger branch.
Preferably, the restricting element of the air-conditioner outdoor unit is choke valve, and the outdoor heat exchanger branch is arranged in series.
Preferably, above-mentioned air-conditioner outdoor unit also includes：
Handover module, the handover module is used to switch the order of the outdoor heat exchanger branch series connection；
Second control valve with throttling function, the second control valve is serially connected with two institutes that can be connected
State between outdoor heat exchanger branch.
Preferably, the outdoor heat exchanger branch is two, and respectively the first outdoor heat exchanger branch and the second outdoor is changed
Re Qi branches；
The handover module includes the first changeover module and the second changeover module；
First changeover module is used in first valve port and the restricting element of the cross valve for switching the air-conditioner outdoor unit
One of connect with the first outdoor heat exchanger branch；Second changeover module is used to switch the second valve of the cross valve
One of mouth and the restricting element are connected with the second outdoor heat exchanger branch；
Wherein, the first valve port of the cross valve is connected with the air entry of the compressor of the air-conditioner outdoor unit；When described
In when heating valve position, the first valve port of the cross valve is connected cross valve with the second valve port of the cross valve.
Preferably, first changeover module is two-position three-way valve；Or,
First changeover module includes：First valve port and first outdoor heat exchanger of the control connection cross valve
First control valve of the pipeline break-make of branch, control connects the pipeline of the restricting element and the first outdoor heat exchanger branch
Second control valve of break-make.
Preferably, second changeover module is two-position three-way valve；Or,
Second changeover module includes：Second valve port and second outdoor heat exchanger of the control connection cross valve
3rd control valve of the pipeline break-make of branch, control connects the pipeline of the restricting element and the second outdoor heat exchanger branch
4th control valve of break-make.
Based on the air-conditioner outdoor unit of above-mentioned offer, present invention also offers a kind of air-conditioning system, the air-conditioning system includes empty
Off-premises station is adjusted, the air-conditioner outdoor unit is the air-conditioner outdoor unit described in above-mentioned any one.
When the air-conditioner outdoor unit that the present invention is provided needs defrost, wind-blocking mechanism only blocks the outdoor heat exchanger point for carrying out defrost
Portion, and the outdoor heat exchanger branch for carrying out defrost is blocked near the side of outdoor fan, in the outdoor heat exchange of evaporator mode
Device branch is not blocked by wind-blocking mechanism, then prevent outdoor fan to take away the defrost heat of outdoor heat exchanger branch, improve
White effect, while the heat exchange amount of the outdoor heat exchanger branch in evaporator mode and the external world is also increased, so as to also improve
Heating effect.Therefore, compared with prior art, heating when above-mentioned air-conditioner outdoor unit improves defrost effect and defrost simultaneously
Effect.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the sectional view of air-conditioner outdoor unit provided in an embodiment of the present invention；
Fig. 2 is the structural representation of air-conditioner outdoor unit provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of air-conditioning system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-3, air-conditioner outdoor unit provided in an embodiment of the present invention includes outdoor heat exchanger 5 and wind-blocking mechanism, its
In, outdoor heat exchanger 5 includes at least two outdoor heat exchanger branches, when at least one outdoor heat exchanger branch carries out defrost, extremely
A few outdoor heat exchanger branch is in evaporator mode；Wind-blocking mechanism is only used for blocking the outdoor heat exchanger for carrying out defrost point
Portion, and wind-blocking mechanism be used for block the outdoor heat exchanger branch for carrying out defrost near the side of outdoor fan.
It is understood that outdoor heat exchanger branch is in evaporator mode, refers to and flow through the outdoor heat exchanger branch
Refrigerant can realize evaporation with extraneous heat exchange, to ensure air-conditioning heating.Wind-blocking mechanism is only used for blocking the outdoor for carrying out defrost and changes
Re Qi branches, then the outdoor heat exchanger branch in evaporator mode do not blocked by wind-blocking mechanism.
Above-mentioned wind-blocking mechanism is installed on the housing of air-conditioner outdoor unit, is also mountable to its in the housing of air-conditioner outdoor unit
In his fixed component.
Air-conditioner outdoor unit provided in an embodiment of the present invention, when needing defrost, wind-blocking mechanism only blocks the outdoor for carrying out defrost
Heat exchanger branch, and the outdoor heat exchanger branch for carrying out defrost is blocked near the side of outdoor fan, in evaporator mode
The mechanism that is not blocked of outdoor heat exchanger branch blocks, then prevent outdoor fan to take away the outdoor heat exchanger branch that carries out defrost
Defrost heat, improves defrost effect, while the outdoor heat exchanger branch also increased in evaporator mode changes with extraneous
Heat, so as to also improve heating effect.Therefore, compared with prior art, above-mentioned air-conditioner outdoor unit improves defrost effect simultaneously
Heating effect when fruit and defrost.
Meanwhile, air-conditioner outdoor unit provided in an embodiment of the present invention is using an outdoor heat exchanger 5 and an outdoor fan
Heating effect when defrost effect and defrost can be simultaneously improved, structure is simpler, and cost is relatively low.
In order to further improve heating effect during defrost, the number of the outdoor heat exchanger branch of defrost is carried out and in steaming
The number sum for sending out the outdoor heat exchanger branch of device pattern is equal to the total number of outdoor heat exchanger branch.
Preferably, in above-mentioned air-conditioner outdoor unit, at least two outdoor heat exchanger branches alternately defrost, wind-blocking mechanism is handed over
For blocking outdoor heat exchanger branch.It is understood that when which outdoor heat exchanger branch carries out defrost, guard mechanism just hides
Which outdoor heat exchanger branch kept off.
Above-mentioned air-conditioner outdoor unit realizes branch's defrost, heats during defrost uninterruptedly, i.e., persistently heat, and heating effect is relative
There was only less decay in heating mode, further increase heating effect during defrost.
So that outdoor heat exchanger branch is for two as an example, first outdoor heat exchanger branch carries out defrost and is hidden by wind-blocking mechanism
During gear, second outdoor heat exchanger branch is in evaporator mode and is not blocked；When second outdoor heat exchanger branch is carried out
Defrost and when being blocked by wind-blocking mechanism, first outdoor heat exchanger branch is in evaporator mode and is not blocked.
So that outdoor heat exchanger branch is for three as an example, first outdoor heat exchanger branch carries out defrost and is hidden by wind-blocking mechanism
During gear, second outdoor heat exchanger branch and the 3rd outdoor heat exchanger branch are in evaporator mode and are not blocked；When
When second outdoor heat exchanger branch carries out defrost and is blocked by wind-blocking mechanism, first outdoor heat exchanger branch and the 3rd room
External heat exchanger branch is in evaporator mode and is not blocked；When the 3rd outdoor heat exchanger branch carries out defrost and kept out the wind
When mechanism blocks, first outdoor heat exchanger branch and second outdoor heat exchanger branch are in evaporator mode and are not hidden
Gear.Certainly, also there are other methods of salary distribution, it is not limited to this.
Order and number are blocked for outdoor heat exchanger branch, is selected according to actual needs, the embodiment of the present invention
This is not limited.
It should be noted that when at least two outdoor heat exchanger branches being capable of alternately defrost, alternately defrost
Outdoor heat exchanger branch also can alternately heat.
In above-mentioned air-conditioner outdoor unit, there are various structures in wind-blocking mechanism, can be designed according to actual needs.For example, keep off
Wind mechanism includes：Keep out the wind part, driving is kept out the wind the driver part that keeps out the wind that part blocks, and drives deep bead along outdoor heat exchanger branch
The mobile driver part that moves back and forth of distribution arrangement.
When the outdoor heat exchanger branch at least two of defrost can be carried out, in order to improve the reliability of wind-blocking mechanism with
And be easy to block, prioritizing selection wind-blocking mechanism keeps out the wind clamp mechanism including at least two, keep out the wind clamp mechanism and outdoor heat exchanger branch
Correspond.It should be noted that keeping out the wind clamp mechanism for blocking outdoor heat exchanger branch that is corresponding and carrying out defrost
Near the side of outdoor fan.
It is understood that there are two kinds of situations in the outdoor heat exchanger branch at least two that can carry out defrost：First
Kind, when outdoor heat exchanger branch does not replace defrost, refer to while carrying out the outdoor heat exchanger branch at least two of defrost；
Second, when the alternately defrost of outdoor heat exchanger branch, the outdoor heat exchanger branch for referring to alternately defrost is at least
Two.
So that outdoor heat exchanger 5 includes the first outdoor heat exchanger branch 501 and the second outdoor heat exchanger branch 502 as an example, gear
Wind mechanism is kept out the wind clamp mechanism 13 including first clamp mechanism 12 and second that keeps out the wind；Wherein, first clamp mechanism 12 that keeps out the wind is outdoor with first
The correspondence of heat exchanger branch 501, when the first outdoor heat exchanger branch 501 carries out defrost, first clamp mechanism 12 that keeps out the wind blocks first
Outdoor heat exchanger branch 501 is near the side of outdoor fan；Second keeps out the wind 13 and second outdoor heat exchanger branch of clamp mechanism 502 pairs
Should, when the second outdoor heat exchanger branch 502 carries out defrost, second clamp mechanism 13 that keeps out the wind blocks the second outdoor heat exchanger branch
502 near the side of outdoor fan.
Preferably, the above-mentioned clamp mechanism that keeps out the wind includes：Deep bead, the first driver part for driving deep bead flexible.
It is understood that deep bead is used to block the outdoor heat exchanger branch for carrying out defrost near the one of outdoor fan
Side.When the first driver part drives deep bead to extend the first predeterminated position, deep bead blocks the outdoor heat exchanger for carrying out defrost
Branch is near the side of outdoor fan；When the first driver part drives deep bead to be reduced to the second predeterminated position, deep bead is no longer
Outdoor heat exchanger branch is blocked near the side of outdoor fan.
Certainly, take up room to reduce, the above-mentioned clamp mechanism that keeps out the wind also may be selected to be included：Spool is fixed in spool, one end
The roller shutter that keeps out the wind, drive spool rotate the second driver part.
It is understood that keeping out the wind roller shutter for blocking the outdoor heat exchanger branch for carrying out defrost near outdoor fan one
Side.When the second driver part drives spool to rotate, the roller shutter that keeps out the wind is released, block when the roller shutter that keeps out the wind is put to predeterminated position into
The outdoor heat exchanger branch of row defrost is near the side of outdoor fan；When the second driver part drives spool to rotate backward, will keep off
After wind roller shutter is packed up, the roller shutter that keeps out the wind no longer blocks outdoor heat exchanger branch near the side of outdoor fan.
In actual application, also select to keep out the wind clamp mechanism for other structures, it is not limited to above-described embodiment.Example
Such as, the above-mentioned clamp mechanism that keeps out the wind includes：Baffle plate, drives the 3rd driver part of flapper.It is understood that when baffle plate goes to
The outdoor heat exchanger branch for carrying out defrost is blocked during the first predetermined angle near the side of outdoor fan；When baffle plate, to go to second pre-
If outdoor heat exchanger branch is no longer blocked during angle near the side of outdoor fan.
During defrost, the frost on the outer wall of outdoor heat exchanger 5 forms water and flow to outdoor heat exchanger 5 above-mentioned air-conditioner outdoor unit
The bottom drip tray of bottom, realizes defrost draining.Defrost draining can take away partial heat, cause thermal loss, affect defrost effect
Fruit and heating effect.
In order to reduce the thermal loss that defrost draining is caused, above-mentioned air-conditioner outdoor unit also includes：For receiving outdoor heat exchange
The auxiliary drip tray 14 of the water on the outer wall of device 5, auxiliary drip tray 14 is located outside between the top of heat exchanger 5 and bottom, is aided in
Drip tray 14 is connected by drainpipe 16 with the bottom drip tray of air-conditioner outdoor unit.
It should be noted that the top of outdoor heat exchanger 5, after referring to air-conditioner outdoor unit normal mounting, vertically room
The top of external heat exchanger 5；The bottom of outdoor heat exchanger 5, after referring to air-conditioner outdoor unit normal mounting, vertically outdoor heat exchange
The bottom of device 5.
Above-mentioned air-conditioner outdoor unit, by setting up auxiliary drip tray 14, in the way that outdoor heat exchanger is flowed through from water water is received, from
And the water for shortening flows through the path of outdoor heat exchanger, and then reduce thermal loss.
It is understood that bottom drip tray can be the drain pan 15 of air-conditioner outdoor unit, alternatively on drain pan 15
Individual part, the embodiment of the present invention is not limited this.Auxiliary drip tray 14 is installed on the housing of air-conditioner outdoor unit, also can be installed
In other fixed components in housing.
For the particular location of auxiliary drip tray 14, can be designed according to actual needs.Preferably, vertically,
Auxiliary drip tray 14 is located outside the middle part of heat exchanger 5.Certainly, also may be selected vertically to aid in drip tray 14 to be located outside
The middle part of heat exchanger 5 is on the upper side or on the lower side, it is not limited to above-described embodiment.
Further, any two outdoor heat exchanger branch is vertically distributed, and auxiliary drip tray 14 is located at along vertically
Between the adjacent Liang Ge outdoor heat exchangers branch in direction.It is understood that when outdoor heat exchanger branch is two, auxiliary connects
Water pond 14 is one；When outdoor heat exchanger branch is three, auxiliary drip tray 14 is two；When outdoor heat exchanger branch is four
When individual, auxiliary drip tray 14 is three.When outdoor heat exchanger branch is more than five, the number class successively of drip tray 14 is aided in
Push away.
Now, if outdoor heat exchanger branch is two, respectively the first outdoor heat exchanger branch 501 and the second outdoor heat exchange
During device branch 502, the first outdoor heat exchanger branch 501 and the second outdoor heat exchanger branch 502 are vertically distributed, with second
Outdoor heat exchanger branch 502 corresponding second keep out the wind clamp mechanism 13 be mountable to aid in drip tray 14.First outdoor heat exchanger point
Outdoor heat exchanger branch 502 of portion 501 and second is separated by auxiliary drip tray 14.
For the concrete structure of auxiliary drip tray 14, also it is designed according to actual needs, as long as water receiving can be realized i.e.
Can, the embodiment of the present invention is not limited this.
Preferably, above-mentioned auxiliary drip tray 14 is one, certainly, also dependent on being actually needed, selects auxiliary drip tray 14
It is sequentially distributed along the short transverse of outdoor heat exchanger 5 for two or more, and auxiliary drip tray 14.
When environment temperature is relatively low, drainpipe 16 is easier to bursting by freezing occur, for the probability for reducing bursting by freezing occur, above-mentioned drainpipe
16 stretch in the compressor chamber of air-conditioner outdoor unit.Because the temperature in compressor chamber is higher, then can realize to drainpipe 16
Portions are heated, so as to reduce drainpipe 16 by the probability of bursting by freezing.
In above-mentioned air-conditioner outdoor unit, when realizing that at least one outdoor heat exchanger branch carries out defrost, at least one outdoor is changed
Re Qi branches are in evaporator mode, there are at least two structures.
Divided with the connected mode of outdoor heat exchanger branch, above-mentioned outdoor heat exchanger branch can be arranged in parallel, and also may be used
It is arranged in series.
If outdoor heat exchanger branch is arranged in parallel, it is desirable to the restricting element 4 of air-conditioner outdoor unit be choke valve, outdoor heat exchanger
Branch's place parallel branch is serially connected with first-class control valve, and first-class control valve has throttling function；In parallel branch,
First-class control valve is located outside the upstream of heat exchanger branch.
It is understood that the restricting element 4 of air-conditioner outdoor unit is used to connect indoor heat exchanger 3 and outdoor heat exchanger 5.
During defrost, full trrottle or larger opening is adjusted to, to reduce throttling heat loss, the middle middle benefit gas that warp knuckle stream valve flows out
Pressure refrigerant a, part flows into the parallel branch for needing that the outdoor heat exchanger branch of defrost is located, and by the in the parallel branch
Flow control valve is adjusted to un-throttled state (be adjusted to standard-sized sheet or be adjusted to larger opening), and wind-blocking mechanism blocks the outdoor for needing defrost
Heat exchanger branch, medium temperature and medium pressure refrigerant flows into the outdoor heat exchanger branch for needing defrost, carries out defrost；During warp knuckle stream valve flows out
Middle benefit gas press refrigerant, another part to flow into the parallel branch for needing the outdoor heat exchanger branch in evaporator mode to be located, and will
First-class control valve in the parallel branch is adjusted to throttle, and wind-blocking mechanism is not blocked to be needed in the room of evaporator mode
External heat exchanger branch, the low-temp low-pressure refrigerant after warp knuckle stream enters the outdoor heat exchanger branch needed in evaporator mode, enters
Row heat exchange evaporation；Two parts refrigerant of outflow parallel branch flows into the suction end of compressor 1 after converging.
It is understood that at least two outdoor heat exchanger branches can alternately defrost when, by control choke valve
It is capable of achieving with the aperture of first-class control valve, this is repeated no more herein.The number of outdoor heat exchanger branch is propped up with parallel
The number on road is identical.
If outdoor heat exchanger branch is arranged in series, adjacent Liang Ge outdoor heat exchangers branch passes through pipeline communication.Now, it is cold
Matchmaker first carries out defrost and carries out heat exchange evaporation again.If outdoor heat exchanger branch is arranged in series, choke valve can be adjusted to set aperture, with
Ensure that temperature of the refrigerant after choke valve can still carry out defrost, after defrost, the temperature of refrigerant is reduced, to ensure the cold of defrost
Matchmaker can realize evaporation with extraneous heat exchange.
In order to improve defrost and heating effect, above-mentioned air-conditioner outdoor unit also includes handover module and second control valve 6；
Wherein, handover module is used to switch the order of outdoor heat exchanger branch series connection, and second control valve 6 is serially connected with what is can connected
Between Liang Ge outdoor heat exchangers branch.
In particular it is required that the upstream that the outdoor heat exchanger branch of defrost flows through positioned at refrigerant, needs in evaporator mode
The downstream that flows through positioned at refrigerant of outdoor heat exchanger branch, i.e., refrigerant is first flowed through needs the outdoor heat exchanger branch of defrost, then flows
Jing needs the outdoor heat exchanger branch in evaporator mode.Refrigerant is controlled by handover module and first flows through the outdoor for needing defrost
Heat exchanger branch, passes through the outdoor heat exchanger branch needed in evaporator mode.So, you can the room of defrost as needed
External heat exchanger branch flows through path adjusting handover module to obtain the refrigerant wanted.
In actual application, when needing defrost, choke valve is adjusted to maximum opening or larger opening, to reduce throttling
Heat loss；Need second between the outdoor heat exchanger branch for being in the outdoor heat exchanger branch of evaporator mode and needing defrost
Flow control valve 6 is adjusted to throttle, and other second control valves 6 are adjusted to un-throttled state；Through the middle temperature of choke valve
Middle pressure refrigerant enters the outdoor heat exchanger branch for needing defrost, carries out defrost；Refrigerant Jing seconds control valve 6 after defrost is saved
The outdoor heat exchanger branch for needing to heat is entered after stream, heat absorption evaporation is realized, to ensure to heat.
In above-mentioned air-conditioner outdoor unit, at least two outdoor heat exchanger branches alternately defrost when, can by control throttling
The aperture of valve and second control valve 6 is realized, this is repeated no more herein.
Preferably, above-mentioned restricting element 4 can be electric expansion valve, in order to control.Certainly, restricting element 4 is alternatively it
His choke valve, is not limited to this.
So that outdoor heat exchanger 5 includes the first outdoor heat exchanger branch 501 and the second outdoor heat exchanger branch 502 as an example, even
Second control valve 6 is serially connected with the pipeline for meeting the first outdoor heat exchanger branch 501 and the second outdoor heat exchanger branch 502,
And second control valve 6 has throttling function.In defrost pattern, electric expansion valve standard-sized sheet or open to larger flow, to subtract
Throttle less heat loss；Second control valve 6 is closed or opened to compared with low discharge, to be throttled.
For the ease of control, above-mentioned second control valve 6 is normally open valve, and is had during the closure of second control valve 6
Throttling function.Certainly, it is normally close valve above-mentioned second control valve 6 also to may be selected, it is not limited to above-described embodiment.
For the concrete structure of handover module, needs are set according to the number and defrost situation of outdoor heat exchanger branch
Meter.So that outdoor heat exchanger branch is for two as an example, Liang Ge outdoor heat exchangers branch is respectively the He of the first outdoor heat exchanger branch 501
Second outdoor heat exchanger branch 502；Above-mentioned handover module includes：First changeover module and the second changeover module.
Wherein, the first changeover module is used in first valve port and restricting element 4 of the cross valve 2 for switching air-conditioner outdoor unit
One is connected with the first outdoor heat exchanger branch 501；Second changeover module is used to switch the second valve port of cross valve 2 and throttling unit
One of part 4 is connected with the second outdoor heat exchanger branch 502；First valve port of cross valve 2 and the compressor 1 of air-conditioner outdoor unit
Air entry connection；When cross valve 2 is in heats valve position, the first valve port of cross valve 2 connects with the second valve port of cross valve 2
It is logical.
It is understood that in above-mentioned air-conditioner outdoor unit, the 3rd valve port of cross valve 2 is connected with the exhaust outlet of compressor 1；
When cross valve 2 is in heats valve position, the 3rd valve port of cross valve 2 is connected with the 4th valve port of cross valve 2.Valve position is heated, is
Valve position when referring to that air-conditioning is in heating mode residing for cross valve 2.
When being in refrigeration mode and heating mode using the air-conditioning system of above-mentioned air-conditioner outdoor unit, outdoor heat exchanger branch is equal
Do not blocked by wind-blocking mechanism, the second changeover module switches to the second valve port of cross valve 2 and the second outdoor heat exchanger branch 502 connects
Logical, the first changeover module switches to restricting element 4 and connects with the first outdoor heat exchanger branch 501.
When being in defrost pattern using the air-conditioning system of above-mentioned air-conditioner outdoor unit, first to the first outdoor heat exchanger branch 501
Defrost, the second outdoor heat exchanger branch 502 is in evaporator mode, carries out heat exchange with the external world and realizes refrigerant evaporation, the first switching
Switch between components to restricting element 4 is connected with the first outdoor heat exchanger branch 501, and the second changeover module switches to the of cross valve 2
Two valve ports are connected with the second outdoor heat exchanger branch 502, and wind-blocking mechanism blocks the first outdoor heat exchanger branch 501 near outdoor wind
The side of machine, wind-blocking mechanism does not block the second outdoor heat exchanger branch 502；Treat that the defrost of the first outdoor heat exchanger branch 501 terminates
After carry out heat exchange and realize refrigerant evaporation, defrost is carried out to the second outdoor heat exchanger branch 502, the second changeover module switches to throttling
Element 4 is connected with the second outdoor heat exchanger branch 502, and the first changeover module switches to the first valve port of cross valve 2 and the first Room
External heat exchanger branch 501 connects, and wind-blocking mechanism blocks the second outdoor heat exchanger branch 502 near the side of outdoor fan, keeps out the wind
The first outdoor heat exchanger branch 501 is not blocked in mechanism.
In above-mentioned air-conditioner outdoor unit, there are at least two structures in the first changeover module and the second changeover module, can be according to reality
Border needs to be designed.
Preferably, above-mentioned first changeover module includes：The first control control valve 8 of valve 7 and second, wherein, the first control valve 7
The break-make of the pipeline of first valve port and the first outdoor heat exchanger branch 501 of control connection cross valve 2；Second control valve 8 is controlled
The break-make of the pipeline of connection restricting element 4 and first outdoor heat exchanger branch 501.
Certainly, it is two-position three-way valve, specifically, two-bit triplet to be alternatively reduction valve number and selected the first changeover module
First valve port of valve is connected with the first valve port of cross valve 2, the second valve port of two-position three-way valve and the first outdoor heat exchanger branch
501 connections, the 3rd valve port of two-position three-way valve is connected with restricting element 4；When two-position three-way valve is in the first valve position, two-bit triplet
First valve port of valve is connected with the second valve port of two-position three-way valve；When two-position three-way valve is in the second valve position, two-position three-way valve
3rd valve port is connected with the second valve port of two-position three-way valve.
In the same manner, above-mentioned second changeover module includes：The 3rd control control valve 10 of valve 9 and the 4th, wherein, the 3rd control valve 9
The break-make of the pipeline of second valve port and the second outdoor heat exchanger branch 502 of control connection cross valve 2；4th control valve 10 is controlled
The break-make of the pipeline of connection restricting element 4 and second outdoor heat exchanger branch 502.
Certainly, the second changeover module also may be selected for two-position three-way valve, the first valve port and the cross valve 2 of two-position three-way valve
Second valve port is connected, and the second valve port of two-position three-way valve is connected with the second outdoor heat exchanger branch 502, and the 3rd of two-position three-way valve the
Valve port is connected with restricting element 4；When two-position three-way valve is in the first valve position, the first valve port of two-position three-way valve and two-position three-way valve
The second valve port connection；When two-position three-way valve is in the second valve position, the of the 3rd valve port of two-position three-way valve and two-position three-way valve
Two valve ports are connected.
For the ease of control, above-mentioned first control valve 7 is normally close valve, and without flow during the first control closure of valve 7；Second control
Valve processed 8 is normally open valve, and without flow during the second control closure of valve 8；3rd control valve 9 is normally open valve, and the 3rd control valve 9 is to close
Without flow during conjunction；4th control valve 10 is normally close valve, and without flow during the 4th control closure of valve 10.
Further, first-class control valve, the control control valve the 8, the 3rd of valve 7, second of second control valve 6, first
Control valve the 9, the 4th control valve 10 and two-position three-way valve are magnetic valve.
In above-mentioned air-conditioner outdoor unit, it is other structures that the first changeover module and the second changeover module also may be selected, and is only protected
Card transition effect.Certainly, when outdoor heat exchanger branch is more than three, handover module can be as needed designed, herein
Repeat no more.
Below the first control control valve 8 of valve 7 and second is included with the first changeover module, the second changeover module includes the 3rd control
As a example by the control valve 10 of valve processed 9 and the 4th, above-mentioned first control valve 7 is normally close valve, and second controls valve 8 for normally open valve, the 3rd control
Valve 9 is normally open valve, and the 4th control valve 10 is normally close valve, and the first control valve 7, second controls the control valve 9 and the 4th of valve the 8, the 3rd
Without flow when control valve 10 is closed.Illustrate the operation principle of the air-conditioning system using above-mentioned air-conditioner outdoor unit：
When air-conditioning system is run in a chiller mode, the exhaust end HTHP refrigerant Jing cross valves the 2, the 3rd of compressor 1
Control valve 9 enters outdoor heat exchanger 5 (now second control valve 6 is normally open) condensation heat release, then through normally opened second
Control valve 8 is entered after the throttling cooling of restricting element 4, gets in the evaporation endothermic of heat exchanger 3, is then return to the air-breathing of compressor 1
End, completes kind of refrigeration cycle.During this, the first control control valve 10 of valve 7 and the 4th remains off-position, wind-blocking mechanism
In the non-occlusion state of power-off.
When air-conditioning system is run with heating mode, the exhaust end HTHP refrigerant Jing cross valves 2 of compressor 1 enter to enter the room
Interior heat exchanger 3 condenses heat release, subsequently into outdoor heat exchanger 5 is flowed into by the second control valve 8 after the throttling cooling of restricting element 4, steams
Send out and return to the suction end of compressor 1 through the 3rd control valve 9 after heat exchange, complete to heat circulation.During this, the 4th control
The control valve 7 of valve 10, first is kept closed, and second control valve 6 is normally open, and wind-blocking mechanism is not blocked in power-off
State.
When air-conditioning system is run with defrost pattern, the exhaust end HTHP refrigerant Jing cross valves 2 of compressor 1 enter to enter the room
Interior heat exchanger 3 condenses heat release, and subsequently into restricting element 4, at this moment the standard-sized sheet of restricting element 4 or holding larger flow reduce throttling heat
Loss, middle temperature refrigerant enters the first outdoor heat exchanger branch 501 by the second control valve 8, starts the first outdoor heat exchanger branch 501
Defrost, at this moment first baffle clamp mechanism 12 first outdoor heat exchanger branch 501 is blocked, prevent blower fan from taking away the first outdoor and change
The defrost heat of Re Qi branches 501.Low temperature refrigerant after defrost enters the after the second control valve 6 closed throttles
Two outdoor heat exchanger branches 502 carry out heat exchange evaporation, and then the 3rd control valve 9 through opening returns to the suction end of compressor 1；
After the completion of the defrost of the first outdoor heat exchanger branch 501, first baffle clamp mechanism 12 withdraws, and the 3rd control valve 9, second is controlled
Valve 8 is closed, and the 4th control control valve 7 of valve 10, first is opened, and the exhaust end HTHP refrigerant Jing cross valves 2 of compressor 1 are entered
Indoor heat exchanger 3 condenses heat release, and subsequently into restricting element 4, at this moment the standard-sized sheet of restricting element 4 or holding larger flow reduce throttling
Heat loss, middle temperature refrigerant enters the second outdoor heat exchanger branch 502 by the 4th control valve 10, starts the second outdoor heat exchanger branch
502 defrost, at this moment second clamp mechanism 13 that keeps out the wind the second outdoor heat exchanger branch 502 is blocked, prevent blower fan from taking away second Room
The defrost heat of external heat exchanger branch 502；Low temperature refrigerant after defrost is entered after the second control valve 6 closed throttles
Entering the first outdoor heat exchanger branch 501 carries out heat exchange evaporation, and then the first control valve 7 through opening returns to the suction of compressor 1
Gas end, completes the defrost of the second outdoor heat exchanger branch 502.Outdoor heat exchanger branch is being remained during whole defrost just
Often working condition, forms complete cycle, and to indoor heat supply is continued.
In above-mentioned air-conditioner outdoor unit, any two outdoor heat exchanger branch can be distributed along vertical mode, also can be along level side
To distribution.Install for convenience, prioritizing selection any two outdoor heat exchanger branch is vertically distributed.
In actual application, the first outdoor heat exchanger branch 501 and the second outdoor heat exchanger branch 502 are both secured to sky
Adjust on the housing of off-premises station, the first outdoor heat exchanger branch 501 and the second outdoor heat exchanger branch 502 are vertically distributed
When, the top cover 11 of air-conditioner outdoor unit is fixed in the first outdoor heat exchanger branch 501, and the second outdoor heat exchanger branch 502 is fixed on
The drain pan 15 of air-conditioner outdoor unit.
Based on the air-conditioner outdoor unit that above-described embodiment is provided, the embodiment of the present invention additionally provides a kind of air-conditioning system, the sky
Adjusting system includes air-conditioner outdoor unit, and the air-conditioner outdoor unit is the air-conditioner outdoor unit described in above-described embodiment.
Because the air-conditioner outdoor unit that above-described embodiment is provided has above-mentioned technique effect, air-conditioning provided in an embodiment of the present invention
System has above-mentioned air-conditioner outdoor unit, then air-conditioning system provided in an embodiment of the present invention also has corresponding technique effect, herein
Repeat no more.
The foregoing description of the disclosed embodiments, enables those skilled in the art to realize or using the present invention.To this
Various modifications of a little embodiments will be apparent for a person skilled in the art, and generic principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (16)
1. a kind of air-conditioner outdoor unit, it is characterised in that include：
Outdoor heat exchanger (5), the outdoor heat exchanger (5) is including at least two outdoor heat exchanger branches, room described at least one
When external heat exchanger branch carries out defrost, outdoor heat exchanger branch described at least one is in evaporator mode；
Be only used for blocking the wind-blocking mechanism of the outdoor heat exchanger branch for carrying out defrost, and the wind-blocking mechanism be used to blocking into
The outdoor heat exchanger branch of row defrost is near the side of outdoor fan.
2. air-conditioner outdoor unit according to claim 1, it is characterised in that outdoor heat exchanger branch described at least two replaces
Defrost is carried out, the wind-blocking mechanism alternately blocks the outdoor heat exchanger branch.
3. air-conditioner outdoor unit according to claim 1 and 2, it is characterised in that
The wind-blocking mechanism keeps out the wind clamp mechanism including at least two, and the clamp mechanism that keeps out the wind is with the outdoor heat exchanger branch one by one
Correspondence.
4. air-conditioner outdoor unit according to claim 3, it is characterised in that the clamp mechanism that keeps out the wind includes：Deep bead, drives
The first flexible driver part of the deep bead.
5. air-conditioner outdoor unit according to claim 3, it is characterised in that the clamp mechanism that keeps out the wind includes：Spool, one end is solid
Due to the roller shutter that keeps out the wind of the spool, the second driver part for driving the spool to rotate.
6. air-conditioner outdoor unit according to claim 1, it is characterised in that also include：For receiving the outdoor heat exchanger
(5) the auxiliary drip tray (14) of the water on outer wall, auxiliary drip tray (14) positioned at the top of the outdoor heat exchanger (5) and
Between bottom, auxiliary drip tray (14) is connected by drainpipe (16) with the bottom drip tray of the air-conditioner outdoor unit.
7. air-conditioner outdoor unit according to claim 6, it is characterised in that vertically, auxiliary drip tray (14)
Positioned at the middle part of the outdoor heat exchanger (5).
8. air-conditioner outdoor unit according to claim 6, it is characterised in that outdoor heat exchanger branch described in any two is along perpendicular
Straight directional spreding, the auxiliary drip tray (14) is between two vertically adjacent outdoor heat exchanger branches.
9. air-conditioner outdoor unit according to claim 6, it is characterised in that the drainpipe (16) is stretched in outside the air-conditioning room
In the compressor chamber of machine.
10. air-conditioner outdoor unit according to claim 1, it is characterised in that the restricting element (4) of the air-conditioner outdoor unit is
Choke valve, the outdoor heat exchanger branch is arranged in parallel, and outdoor heat exchanger branch place parallel branch is serially connected with first-class
Control valve, the first-class control valve has throttling function；And in the parallel branch, the first-class control valve
Positioned at the upstream of the outdoor heat exchanger branch.
11. air-conditioner outdoor units according to claim 1, it is characterised in that the restricting element (4) of the air-conditioner outdoor unit is
Choke valve, the outdoor heat exchanger branch is arranged in series.
12. air-conditioner outdoor units according to claim 11, it is characterised in that the air-conditioner outdoor unit also includes：
Handover module, the handover module is used to switch the order of the outdoor heat exchanger branch series connection；
Second control valve (6) with throttling function, the second control valve (6) is serially connected with two for can connecting
Between the outdoor heat exchanger branch.
13. air-conditioner outdoor units according to claim 12, it is characterised in that the outdoor heat exchanger branch is two, point
Wei not the first outdoor heat exchanger branch (501) and the second outdoor heat exchanger branch (502)；
The handover module includes the first changeover module and the second changeover module；
First changeover module is used for first valve port and the restricting element (4) of the cross valve (2) for switching the air-conditioner outdoor unit
One of connect with the first outdoor heat exchanger branch (501)；Second changeover module is used to switch the cross valve
(2) one of the second valve port and the restricting element (4) are connected with the second outdoor heat exchanger branch (502)；
Wherein, the first valve port of the cross valve (2) is connected with the air entry of the compressor (1) of the air-conditioner outdoor unit；Work as institute
Cross valve (2) is stated in when heating valve position, the first valve port of the cross valve (2) connects with the second valve port of the cross valve (2)
It is logical.
14. air-conditioner outdoor units according to claim 13, it is characterised in that first changeover module is two-bit triplet
Valve；Or,
First changeover module includes：First valve port and first outdoor heat exchanger of the control connection cross valve (2)
First control valve (7) of the pipeline break-make of branch (501), control connects the restricting element (4) and first outdoor heat exchange
Second control valve (8) of the pipeline break-make of device branch (501).
15. air-conditioner outdoor units according to claim 13, it is characterised in that second changeover module is two-bit triplet
Valve；Or,
Second changeover module includes：Second valve port and second outdoor heat exchanger of the control connection cross valve (2)
3rd control valve (9) of the pipeline break-make of branch (502), control connects the restricting element (4) and second outdoor heat exchange
4th control valve (10) of the pipeline break-make of device branch (502).
A kind of 16. air-conditioning systems, including air-conditioner outdoor unit, it is characterised in that the air-conditioner outdoor unit is such as claim 1-15
Air-conditioner outdoor unit described in middle any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100239.XA CN106642403A (en) | 2017-02-23 | 2017-02-23 | Air conditioner outdoor unit and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100239.XA CN106642403A (en) | 2017-02-23 | 2017-02-23 | Air conditioner outdoor unit and air conditioning system |
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| CN106642403A true CN106642403A (en) | 2017-05-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100239.XA Pending CN106642403A (en) | 2017-02-23 | 2017-02-23 | Air conditioner outdoor unit and air conditioning system |
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| CN107763892A (en) * | 2017-10-23 | 2018-03-06 | 北京建筑大学 | A kind of defrosting air source heat pump system |
| CN110887169A (en) * | 2019-10-16 | 2020-03-17 | 珠海格力电器股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
| CN111578388A (en) * | 2020-04-10 | 2020-08-25 | 青岛海信日立空调系统有限公司 | Air condensing units and air conditioner |
| CN111664549A (en) * | 2020-06-10 | 2020-09-15 | 青岛海信日立空调系统有限公司 | Air conditioner |
| CN113357713A (en) * | 2021-07-06 | 2021-09-07 | 珠海格力电器股份有限公司 | Heat exchange equipment and control method thereof |
| CN114165954A (en) * | 2020-09-11 | 2022-03-11 | 盾安环境技术有限公司 | Defrosting assembly, heat pump unit and defrosting method |
| WO2023071151A1 (en) * | 2021-10-28 | 2023-05-04 | 青岛海尔空调器有限总公司 | Air conditioning defrost control method, control device and air conditioner |
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| CN110887169A (en) * | 2019-10-16 | 2020-03-17 | 珠海格力电器股份有限公司 | Air conditioner defrosting control method and device and air conditioner |
| CN111578388A (en) * | 2020-04-10 | 2020-08-25 | 青岛海信日立空调系统有限公司 | Air condensing units and air conditioner |
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| CN111664549B (en) * | 2020-06-10 | 2023-09-12 | 青岛海信日立空调系统有限公司 | air conditioner |
| CN114165954A (en) * | 2020-09-11 | 2022-03-11 | 盾安环境技术有限公司 | Defrosting assembly, heat pump unit and defrosting method |
| CN113357713A (en) * | 2021-07-06 | 2021-09-07 | 珠海格力电器股份有限公司 | Heat exchange equipment and control method thereof |
| WO2023071151A1 (en) * | 2021-10-28 | 2023-05-04 | 青岛海尔空调器有限总公司 | Air conditioning defrost control method, control device and air conditioner |
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Application publication date: 20170510 |