CN207299259U - Air-conditioning system and its outdoor unit - Google Patents
Air-conditioning system and its outdoor unit Download PDFInfo
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- CN207299259U CN207299259U CN201721338450.7U CN201721338450U CN207299259U CN 207299259 U CN207299259 U CN 207299259U CN 201721338450 U CN201721338450 U CN 201721338450U CN 207299259 U CN207299259 U CN 207299259U
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- heat exchange
- flow path
- cold medium
- air
- conditioning system
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Abstract
The utility model discloses a kind of air-conditioning system and its outdoor unit, wherein, outdoor unit includes：Outdoor fan；Outdoor heat exchanger, including close to outdoor fan side set the first heat exchange unit and from outdoor fan side set the second heat exchange unit it is remote, the first heat exchange unit have first heat exchange flow path, the second heat exchange unit have second heat exchange flow path；First distributor, is arranged on the first heat exchange flow path；Second distributor, is arranged on the second heat exchange flow path；Cold medium regulator, will turn down in air-conditioning system Defrost operation by the cold medium flux of the first heat exchange flow path, so as to increase by the cold medium flux of the second heat exchange flow path.Thus, the outdoor unit can be in air-conditioning system Defrost operation, reduce the cold medium flux close to wind turbine side heat exchange unit, to increase the cold medium flux away from wind turbine side heat exchange unit, so as to reach the purpose for close to the wind turbine side defrosting speed effect identical with remote wind turbine side defrosting speed, being finally reached quickly defrosting.
Description
Technical field
It the utility model is related to air-conditioning technical field, the outdoor unit of more particularly to a kind of air-conditioning system and a kind of air-conditioning system
System.
Background technology
In large-size air conditioning equipment, since heat exchanger volume is larger, heat exchange unit is more, in air-conditioning system normal operation,
The air quantity that heat exchange unit close to outdoor fan side receives is big, the air quantity phase that the heat exchange unit away from outdoor fan side receives
To smaller.To increase heat transfer effect, when designing heat exchanger, the cold medium flux that heat exchange unit flows through close to wind turbine side is relatively distant from
The cold medium flux that the heat exchange unit of wind turbine side flows through is more, so as to reach the effect of lifting air-conditioning system exchange capability of heat.
When air-conditioning system is operated in low-temperature heating operating mode, outdoor heat exchanger meeting frosting, is to ensure heating effect, it is necessary to right
Outdoor heat exchanger defrosts.Air-conditioning system work in defrosting operating condition, for quickly defrosting, outdoor fan can stop transporting
Turn, at this time since the structure of outdoor heat exchanger can cause the heat exchange unit defrosting away from room wind turbine side than the heat exchange of close wind turbine side
Unit defrosting is slow, and defrosting effect is poor.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this reason, this reality
It is to propose a kind of outdoor unit of air-conditioning system with a new purpose, which can be in air-conditioning system Defrost operation
When, reduce the cold medium flux close to wind turbine side heat exchange unit, to increase the cold medium flux away from wind turbine side heat exchange unit, so as to reach
The effect identical with remote wind turbine side defrosting speed to close wind turbine side defrosting speed, is finally reached the purpose of quickly defrosting.
Another purpose of the utility model is to propose a kind of air-conditioning system.
To reach above-mentioned purpose, on the one hand the utility model proposes a kind of outdoor unit of air-conditioning system, including：Outdoor wind
Machine；Outdoor heat exchanger, the outdoor heat exchanger include the first heat exchange unit and the second heat exchange unit, and first heat exchange unit leans on
The nearly outdoor fan side is set, and second heat exchange unit is set away from the outdoor fan side, first heat exchange
Unit has the first heat exchange flow path, and second heat exchange unit has the second heat exchange flow path, first heat exchange unit and described
Second heat exchange unit shares the 3rd heat exchange flow path；First distributor, first distributor are arranged on the first heat exchange flow path
On；Second distributor, second distributor are arranged on the second heat exchange flow path；Cold medium regulator, the refrigerant tune
Regulating device is arranged on the first heat exchange flow path, and the cold medium regulator will pass through in the air-conditioning system Defrost operation
The cold medium flux of the first heat exchange flow path is turned down, so as to increase by the cold medium flux of the described second heat exchange flow path.
The outdoor unit of air-conditioning system according to the present utility model, outdoor heat exchanger include the first heat exchange unit and the second heat exchange
Unit, the first heat exchange unit are set close to outdoor fan side, and the second heat exchange unit is set away from outdoor fan side, and first changes
Hot cell has the first heat exchange flow path, and the second heat exchange unit has the second heat exchange flow path, and the first heat exchange unit and the second heat exchange are single
Member shares the 3rd heat exchange flow path, and the first distributor is arranged on the first heat exchange flow path, and the second distributor is arranged on the second heat exchange stream
Lu Shang, cold medium regulator are arranged on the first heat exchange flow path, and cold medium regulator will pass through in air-conditioning system Defrost operation
The cold medium flux of first heat exchange flow path is turned down, so as to increase by the cold medium flux of the second heat exchange flow path, so as to reach close to wind
The pusher side defrosting speed effect identical with remote wind turbine side defrosting speed, is finally reached the purpose of quickly defrosting.
In addition, technology additional as follows can also be had according to the outdoor unit of the utility model air-conditioning system set forth above
Feature：
Specifically, the cold medium regulator includes electric expansion valve, and the electric expansion valve is arranged on described first and changes
On hot flowpath, wherein, the cold medium regulator is changed by adjusting the aperture of the electric expansion valve with that will pass through described first
The cold medium flux of hot flowpath is turned down.
Specifically, the cold medium regulator includes the first pipeline, the second pipeline and is arranged on first pipeline
Solenoid valve, first pipeline and second pipeline are parallel-connected on main line, the caliber of first pipeline and described
The caliber of second pipeline is respectively less than the caliber of the main line, wherein, the cold medium regulator is by closing the solenoid valve
Will be turned down by the cold medium flux of the described first heat exchange flow path.
Further, when the air-conditioning system normal operation, the solenoid valve is in opening.
To reach above-mentioned purpose, the another aspect of the utility model proposes a kind of air-conditioning system, including above-mentioned air-conditioning
The outdoor unit of system.
The air-conditioning system of the utility model, by above-mentioned outdoor unit, can reduce close to wind turbine side in Defrost operation
The cold medium flux of heat exchange unit, to increase the cold medium flux away from wind turbine side heat exchange unit, defrosts so as to reach close to wind turbine side
The speed effect identical with remote wind turbine side defrosting speed, is finally reached the purpose of quickly defrosting.
Brief description of the drawings
The above-mentioned and/or additional aspect of the utility model and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, wherein,
Fig. 1 a are the structure diagrams according to the outdoor unit of the air-conditioning system of the utility model one embodiment；
Fig. 1 b are the structure diagrams according to the outdoor unit of the air-conditioning system of the utility model another embodiment.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
With reference to the accompanying drawings come describe according to the utility model embodiment propose air-conditioning system outdoor unit and air-conditioning system
System.
Fig. 1 a-1b are the structure diagrams according to the outdoor unit of the air-conditioning system of the utility model one embodiment.Such as figure
Shown in 1a-1b, which includes：Outdoor fan 1, outdoor heat exchanger 2, the first distributor 3, the second distributor 4 and refrigerant tune
Regulating device 5.
Wherein, outdoor heat exchanger 2 includes the first heat exchange unit 201 and the second heat exchange unit 202, the first heat exchange unit 201
Set close to 1 side of outdoor fan, the second heat exchange unit 202 is set away from 1 side of outdoor fan, and the first heat exchange unit 201 has
There is the first heat exchange flow path L1, the second heat exchange unit 202 has the second heat exchange flow path L2, the first heat exchange unit 201 and the second heat exchange
Unit 202 shares the 3rd heat exchange flow path L3.First distributor 4 is arranged on the first heat exchange flow path L1, and the second distributor 5 is arranged on
On second heat exchange flow path L2.Cold medium regulator 5 is arranged on the first heat exchange flow path L1, and cold medium regulator 5 is in air-conditioning system
It will be turned down during Defrost operation by the cold medium flux of the first heat exchange flow path L1, so that the cold medium flux by the second heat exchange flow path L2
Increase.
Specifically, as shown in Fig. 1 a-1b, outdoor heat exchanger 2 includes the first heat exchange unit 201 and the second heat exchange unit 202,
First heat exchange unit 201 is set close to 1 side of outdoor fan, and the second heat exchange unit 202 is set away from 1 side of outdoor fan.When
When air-conditioning system is operated in low-temperature heating operating mode, the meeting frosting of outdoor heat exchanger 2, is to ensure heating effect, it is necessary to outdoor heat exchange
Device 2 defrosts, air-conditioning system work defrosting work, for quickly defrosting, outdoor fan can shut down, so as to can lead
Cause the cold medium flux for flowing through the first heat exchange unit 201 more than the cold medium flux for flowing through the second heat exchange unit 202, and then the can be caused
The defrosting speed of one heat exchange unit 201 is slower than the defrosting speed of the second heat exchange unit.To ensure the first heat exchange unit 201 and second
The defrosting speed of heat exchange unit is identical, and to achieve the purpose that quickly defrosting, cold medium regulator 5 can defrost in air-conditioning system and transport
During row, it will be turned down by the cold medium flux of the first heat exchange flow path L1, so as to increase by the cold medium flux of the second heat exchange flow path L2,
To reduce the cold medium flux of the heat exchange unit close to outdoor fan side, increase the refrigerant stream of the heat exchange unit away from outdoor fan side
Amount, so as to reach close to outdoor fan side defrosting speed with away from the identical effect of outdoor fan side defrosting speed, is finally reached
The purpose of quickly defrosting.
As a kind of example, as shown in Figure 1a, cold medium regulator 5 can include electric expansion valve 501, electric expansion valve
501 are arranged on the first heat exchange flow path L1.Wherein, cold medium regulator 5 is by adjusting the aperture of electric expansion valve 501 with will be through
The cold medium flux for crossing the first heat exchange flow path L1 is turned down.
Specifically, cold medium regulator 5 is in air-conditioning system Defrost operation, by the aperture for adjusting electric expansion valve 501
It will be turned down by the cold medium flux of the first heat exchange flow path L1, so as to increase by the cold medium flux of the second heat exchange flow path L2, to subtract
The cold medium flux of the heat exchange unit of small close outdoor fan side, increases the cold medium flux of the heat exchange unit away from outdoor fan side,
So as to reach close to outdoor fan side defrosting speed with away from the identical effect of outdoor fan side defrosting speed, it is finally reached quick
The purpose of defrosting.
As another example, as shown in Figure 1 b, cold medium regulator 5 can also include the first pipeline S1, the second pipeline
S2 and the solenoid valve 502 being arranged on the first pipeline S1, the first pipeline S1 and the second pipeline S2 are parallel-connected on main line S,
The caliber of the caliber of first pipeline S1 and the second pipeline S2 are respectively less than the caliber of main line S.Wherein, cold medium regulator 5 passes through
Solenoid valve 502 is closed will be turned down by the cold medium flux of the first heat exchange flow path L1.
Further, when air-conditioning system normal operation, solenoid valve 501 is in opening.
Specifically, when air-conditioning system normal operation, solenoid valve 501 is in opening, and refrigerant passes through the first pipeline S1
Main line S is flowed into the second pipeline S2, then the first heat exchange unit 201 is flowed into through the first distributor 3, also, refrigerant is also by the
Two distributors 4 flow into the second heat exchange unit 202.When air-conditioning system Defrost operation, cold medium regulator 5 controls solenoid valve 502
To close, refrigerant only flows into the first heat exchange unit 201 by the first pipeline S1 with flowing into main line S, then through the first distributor 3, from
And the cold medium flux for making to flow into the first heat exchange unit 201 through the first distributor 3 reduces, and then make to flow into the through the second distributor 4
The cold medium flux increase of two heat exchange units 202, to reduce the cold medium flux of the heat exchange unit close to outdoor fan side, increase is remote
The cold medium flux of the heat exchange unit of outdoor fan side, so as to reach close to outdoor fan side defrosting speed and away from outdoor fan side
The identical effect of defrosting speed, is finally reached the purpose of quickly defrosting.
In conclusion according to the outdoor unit of the air-conditioning system of the utility model embodiment, outdoor heat exchanger is changed including first
Hot cell and the second heat exchange unit, the first heat exchange unit are set close to outdoor fan side, and the second heat exchange unit is away from outdoor wind
Machine side is set, and the first heat exchange unit has the first heat exchange flow path, and the second heat exchange unit has the second heat exchange flow path, the first heat exchange
Unit and the second heat exchange unit share the 3rd heat exchange flow path, and the first distributor is arranged on the first heat exchange flow path, the second distributor
It is arranged on the second heat exchange flow path, cold medium regulator is arranged on the first heat exchange flow path, and cold medium regulator is in air-conditioning system
It will be turned down during Defrost operation by the cold medium flux of the first heat exchange flow path, so as to increase by the cold medium flux of the second heat exchange flow path
It is more, so as to reach close to wind turbine side defrosting speed with away from the identical effect of wind turbine side defrosting speed, it is finally reached quickly defrosting
Purpose.
In addition, the embodiment of the utility model also proposes a kind of air-conditioning system, include the outdoor unit of above-mentioned air-conditioning system.
The air-conditioning system of the utility model embodiment, by above-mentioned outdoor unit, can reduce close in Defrost operation
The cold medium flux of wind turbine side heat exchange unit, to increase the cold medium flux away from wind turbine side heat exchange unit, so as to reach close to wind turbine
The side defrosting speed effect identical with remote wind turbine side defrosting speed, is finally reached the purpose of quickly defrosting.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the utility model, " multiple " are meant that at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
Combine in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this area
Technical staff can by the different embodiments or example described in this specification and different embodiments or exemplary feature into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (5)
- A kind of 1. outdoor unit of air-conditioning system, it is characterised in that including：Outdoor fan；Outdoor heat exchanger, the outdoor heat exchanger include the first heat exchange unit and the second heat exchange unit, first heat exchange unit Set close to the outdoor fan side, second heat exchange unit is set away from the outdoor fan side, and described first changes Hot cell has the first heat exchange flow path, and second heat exchange unit has the second heat exchange flow path, first heat exchange unit and institute State the second heat exchange unit and share the 3rd heat exchange flow path；First distributor, first distributor are arranged on the first heat exchange flow path；Second distributor, second distributor are arranged on the second heat exchange flow path；Cold medium regulator, the cold medium regulator are arranged on the first heat exchange flow path, and the cold medium regulator exists It will be turned down during the air-conditioning system Defrost operation by the cold medium flux of the described first heat exchange flow path, so as to be changed by described second The cold medium flux of hot flowpath increases.
- 2. the outdoor unit of air-conditioning system as claimed in claim 1, it is characterised in that it is swollen that the cold medium regulator includes electronics Swollen valve, the electric expansion valve are arranged on the first heat exchange flow path, wherein, the cold medium regulator passes through described in adjusting The aperture of electric expansion valve be turned down with that will pass through the cold medium flux of the described first heat exchange flow path.
- 3. the outdoor unit of air-conditioning system as claimed in claim 1, it is characterised in that the cold medium regulator includes the first pipe Road, the second pipeline and the solenoid valve being arranged on first pipeline, first pipeline are connected in parallel with second pipeline Onto main line, the caliber of the caliber of first pipeline and second pipeline is respectively less than the caliber of the main line, wherein, The cold medium regulator be turned down by closing the solenoid valve with that will pass through the cold medium flux of the described first heat exchange flow path.
- 4. the outdoor unit of air-conditioning system as claimed in claim 3, it is characterised in that when the air-conditioning system normal operation, The solenoid valve is in opening.
- 5. a kind of air-conditioning system, it is characterised in that include the outdoor of the air-conditioning system as any one of claim 1-4 Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721338450.7U CN207299259U (en) | 2017-10-16 | 2017-10-16 | Air-conditioning system and its outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721338450.7U CN207299259U (en) | 2017-10-16 | 2017-10-16 | Air-conditioning system and its outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207299259U true CN207299259U (en) | 2018-05-01 |
Family
ID=62272677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721338450.7U Active CN207299259U (en) | 2017-10-16 | 2017-10-16 | Air-conditioning system and its outdoor unit |
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| Country | Link |
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| CN (1) | CN207299259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140725A (en) * | 2018-08-31 | 2019-01-04 | 广东美的暖通设备有限公司 | Multi-online air-conditioning system and its defrosting control method |
| CN111386432A (en) * | 2018-10-31 | 2020-07-07 | 友隆电器工业(深圳)有限公司 | Frost-free operation method of dehumidifier and dehumidifier |
-
2017
- 2017-10-16 CN CN201721338450.7U patent/CN207299259U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140725A (en) * | 2018-08-31 | 2019-01-04 | 广东美的暖通设备有限公司 | Multi-online air-conditioning system and its defrosting control method |
| CN109140725B (en) * | 2018-08-31 | 2021-01-05 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and defrosting control method thereof |
| CN111386432A (en) * | 2018-10-31 | 2020-07-07 | 友隆电器工业(深圳)有限公司 | Frost-free operation method of dehumidifier and dehumidifier |
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