CN206683155U - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
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- CN206683155U CN206683155U CN201720460349.2U CN201720460349U CN206683155U CN 206683155 U CN206683155 U CN 206683155U CN 201720460349 U CN201720460349 U CN 201720460349U CN 206683155 U CN206683155 U CN 206683155U
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- heat exchanger
- outdoor heat
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- valve
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Abstract
The utility model discloses a kind of air-conditioning system, including compressor, four-way valve, indoor heat exchanger, throttling element and the first outdoor heat exchanger, the compressor, four-way valve, indoor heat exchanger, throttling element and the first outdoor heat exchanger are in turn connected to form refrigerant heating circulation line, the air-conditioning system also includes the choke valve and the second outdoor heat exchanger being connected between first outdoor heat exchanger and the air entry of the compressor, and the choke valve is connected between first outdoor heat exchanger and second outdoor heat exchanger；First outdoor heat exchanger is connected between the compressor and the indoor heat exchanger by pipeline to form coolant defrosting pipeline；The first valve is connected between the exhaust outlet of the compressor and the indoor heat exchanger, the second valve is connected between the exhaust outlet of the compressor and first outdoor heat exchanger.Air-conditioning system of the present utility model can prevent that indoor temperature declines during defrosting.
Description
Technical field
Air-conditioning technical field is the utility model is related to, more particularly to a kind of heat pump type air conditioner system.
Background technology
The inverse circulation (kind of refrigeration cycle) of traditional heat pump air conditioner generally use is defrosted, and its operation mechanism can be reduced to：
Into defrosting mode-compressor stopping-four-way valve commutation-compressor start-defrosting-compressor stopping-four-way valve commutation-compression
Machine startup-defrosting terminates.The defects of this technology, for that need to siphon away a part of heat from interior during defrosting, causes indoor temperature to reduce.
Utility model content
Main purpose of the present utility model is to provide a kind of air-conditioning system for preventing that indoor temperature declines during defrosting.
To achieve the above object, the utility model proposes air-conditioning system, including compressor, four-way valve, indoor heat exchanger,
Throttling element and the first outdoor heat exchanger, the compressor, four-way valve, indoor heat exchanger, throttling element and the first outdoor heat exchanger according to
Secondary connection forms refrigerant heating circulation line, and the air-conditioning system also includes being connected to first outdoor heat exchanger and described
Choke valve and the second outdoor heat exchanger between the air entry of compressor, the choke valve are connected to first outdoor heat exchange
Between device and second outdoor heat exchanger；First outdoor heat exchanger is connected to the compressor and the room by pipeline
To form coolant defrosting pipeline between interior heat exchanger；Is connected between the exhaust outlet of the compressor and the indoor heat exchanger
One valve, the second valve is connected between the exhaust outlet of the compressor and first outdoor heat exchanger.
Alternatively, the air-conditioning system also includes triple valve, and the first end of the triple valve connects to form institute with the second end
The first valve is stated, the first end of the triple valve connects to form second valve with the 3rd end.
Alternatively, first outdoor heat exchanger and second outdoor heat exchanger are disposed adjacent, or described first outdoor
Heat transfer structure is connected between heat exchanger and second outdoor heat exchanger.
Alternatively, first outdoor heat exchanger and second outdoor heat exchanger are located at same outdoor unit.
Alternatively, first outdoor heat exchanger and second outdoor heat exchanger are respectively arranged on two outdoor units, described
Heat transfer structure is connected between first outdoor heat exchanger and second outdoor heat exchanger.
Alternatively, the air-conditioning system also includes control chip, the four-way valve and the triple valve with the control
Chip electrically connects.
Alternatively, first outdoor heat exchanger and the second outdoor heat exchanger are equipped with temperature sensor, and the temperature passes
Sensor and control chip electrical connection.
Alternatively, it is connected with check valve between second valve and first outdoor heat exchanger.
Alternatively, it is connected with check valve between the throttling element and first outdoor heat exchanger.
Alternatively, the air-conditioning system also includes gas-liquid separator, the gas returning port of the gas-liquid separator and the four-way
Valve connects, and the gas outlet of the gas-liquid separator connects with the air entry of the compressor.
For air-conditioning system of the present utility model in heating, indoor heat exchanger is condenser, plays a part of indoor heat release, the
One outdoor heat exchanger and the second outdoor heat exchanger are evaporator, play a part of outdoor heat absorption, and indoor heat exchanger carries for interior
Heating load is supplied, and is met the needs of cold districts indoor heating, is built comfortable Interior Temperature Environment.Air-conditioning system except
During frost, the first valve is closed, and the second valve is opened so that the refrigerant discharged by exhaust outlet of compressor no longer leads to interior and changed
Hot device, and it is directly communicated to the first outdoor heat exchanger and the second outdoor heat exchanger；The first outdoor heat exchanger being arranged in series and second
In outdoor heat exchanger, the first outdoor heat exchanger is condenser, is played a part of in outdoor heat release, the second outdoor heat exchanger is evaporation
Device, play a part of in outdoor heat absorption, due to passing through system acting and other power attenuations in air-conditioning system running
Deng so that the first outdoor heat exchanger thermal discharge is more than the caloric receptivity of the second outdoor heat exchanger, so as to carry out having for outdoor heat exchanger
Effect defrosting.
Relative to conventional heat pump air-conditioning by the way of inverse circulation is defrosted, the utility model air-conditioning system was defrosting
Cheng Zhong, indoor heat exchanger operation suspension, now refrigerant circulation do not pass through indoor heat exchanger, indoor heat exchanger is not to Interior Space
Gas carries out heat exchange, and so as to cause the decline of indoor temperature, indoor environment is maintained under more comfortable temperature conditionss.Enter
One step, for the utility model air-conditioning system in defrosting, refrigerant is directly communicated to the first outdoor heat exchanger without indoor heat exchanger
With the second outdoor heat exchanger, namely refrigerant concentrate carry out defrosting circulation, the intensity of defrosting is bigger, shorten defrosting needed for when
Between.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is structural representation when being heated in the utility model air-conditioning system embodiment；
Fig. 2 is structural representation when being defrosted in the utility model air-conditioning system embodiment.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Air-conditioning system | 30 | Compressor |
| 10 | Four-way valve | 31 | Air entry |
| 11 | First interface | 32 | Exhaust outlet |
| 12 | Second interface | 40 | First outdoor heat exchanger |
| 13 | 3rd interface | 50 | Second outdoor heat exchanger |
| 14 | 4th interface | 60 | Indoor heat exchanger |
| 20 | Triple valve | 70 | Throttling element |
| 21 | First end | 80 | Choke valve |
| 22 | Second end | 90 | Check valve |
| 23 | 3rd end |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
This feature can be expressed or be implicitly included to the feature of " second ".In addition, technical scheme between each embodiment can be with
It is combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when phase occurs in the combination of technical scheme
Mutual contradiction will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection of the requires of the utility model
Within the scope of.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used
Be electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals
Or the interaction relationship of two elements, limited unless otherwise clear and definite.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
Referring to Fig. 1 and Fig. 2, air-conditioning system 100 that the utility model embodiment proposes, including compressor 30, four-way valve 10,
Indoor heat exchanger 60, the outdoor heat exchanger 40 of throttling element 70 and first, compressor 30, four-way valve 10, indoor heat exchanger 60, throttling element
70 and first outdoor heat exchanger 40 be in turn connected to form refrigerant heating circulation line, it is characterised in that air-conditioning system 100 also includes
The outdoor heat exchanger of choke valve 80 and second being connected between the first outdoor heat exchanger 40 and the air entry 31 of compressor 30
50, choke valve 80 is connected between the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50；First outdoor heat exchanger 40 passes through
Pipeline is connected between compressor 30 and indoor heat exchanger 60 to form coolant defrosting pipeline；The exhaust outlet 32 of compressor 30 and room
The first valve (not indicating) is connected between interior heat exchanger 60, between the outdoor heat exchanger 40 of exhaust outlet 32 and first of compressor 30
It is connected with the second valve (not indicating).
Further, the second valve may connect between the exhaust outlet 32 of compressor 30 and four-way valve 10, or be connected to four
Between port valve 10 and indoor heat exchanger 60.
Air-conditioning system 100 of the present utility model is in heating, and referring to Fig. 1, the second valve is closed, and the first valve is opened, and four
The first interface 11 of port valve 10 is connected with the 4th interface 14, second interface 12 connects with the 3rd interface 13, and compressor 30 is run, pressure
The exhaust outlet 32 of contracting machine 30 discharges the cold media gas of HTHP, flows through the first valve, the first interface 11 of four-way valve 10 and the
After four interfaces 14, the refrigerant of medium temperature high pressure is formed by the condensation liquefaction of indoor heat exchanger 60 and heat release, is dropped after flowing through throttling element 70
Pressure drop temperature turns into the refrigerant gas-liquid mixture of low-temp low-pressure, and is carried out in the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50
Evaporation endothermic, the cold media gas of last low-temp low-pressure enter compressor 30 by the air entry 31 of compressor 30, so far complete one
Individual heating refrigerant circulation.In heating operations, indoor heat exchanger 60 is condenser, is played a part of outdoor in indoor heat release, first
The outdoor heat exchanger 50 of heat exchanger 40 and second is evaporator, is played a part of in outdoor heat absorption, indoor heat exchanger 60 is interior
Heat supply is provided, meets the needs of cold districts indoor heating, builds comfortable Interior Temperature Environment.
Air-conditioning system 100 is in defrosting, and referring to Fig. 2, the first valve is closed, and the second valve is opened, and the second of four-way valve 10
Interface 12 is connected with the 3rd interface 13, and compressor 30 is run, and the exhaust outlet 32 of compressor 30 discharges the cold media gas of HTHP,
After flowing through the second valve, the first outdoor heat exchanger 40 is directly communicated to, throttled by choke valve 80 turns into low to be depressured cooling
The refrigerant gas-liquid mixture of warm low pressure, and it is evaporated heat absorption, the refrigerant gas of last low-temp low-pressure in the second outdoor heat exchanger 50
Body enters compressor 30 by the air entry 31 of compressor 30, so far completes a defrosting refrigerant circulation.During defrosting, the
One valve is closed, and the second valve is opened so that and the refrigerant discharged by the exhaust outlet 32 of compressor 30 no longer leads to indoor heat exchanger 60,
And it is directly communicated to the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50；The first outdoor heat exchanger 40 and second being arranged in series
In outdoor heat exchanger 50, the first outdoor heat exchanger 40 is condenser, is played a part of in outdoor heat release, the second outdoor heat exchanger 50
For evaporator, play a part of in outdoor heat absorption, due to passing through system acting and others in the running of air-conditioning system 100
Power attenuation etc. so that the thermal discharge of the first outdoor heat exchanger 40 is more than the caloric receptivity of the second outdoor heat exchanger 50, so as to carry out room
Effective defrosting of external heat exchanger.Relative to conventional heat pump air-conditioning by the way of inverse circulation is defrosted, the utility model air-conditioning
System 100 is during defrosting, the operation suspension of indoor heat exchanger 60, and now refrigerant circulation does not pass through indoor heat exchanger 60, room
Interior heat exchanger 60 does not carry out heat exchange to room air, and so as to cause the decline of indoor temperature, indoor environment maintains
Under more comfortable temperature conditionss.
Further, in defrosting, refrigerant directly leads to the utility model air-conditioning system 100 without indoor heat exchanger 60
Also it is to concentrate refrigerant to carry out defrosting circulation, the intensity of defrosting to the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50
It is bigger, shorten the time needed for defrosting.
When air-conditioning system 100 heats, by controlling choke valve 80 to keep full-gear so that pass through the first outdoor heat exchange
Refrigerant after device 40 passes through choke valve 80, leads to the second outdoor heat exchanger 50, now, the first outdoor heat exchanger 40 and second
Outdoor heat exchanger 50 is evaporator, is played a part of in outdoor heat absorption.When air-conditioning system 100 defrosts, throttled by controlling
Valve 80 is throttled, by the HTHP refrigerant that the exhaust outlet 32 of compressor 30 is discharged by the first outdoor heat exchanger 40 after, lead to
To flow section sudden contraction during choke valve 80, refrigerant flow rate is accelerated, and pressure declines, and is steamed in the second outdoor heat exchanger 50
Hair, to play a part of carrying out refrigerant reducing pressure by regulating flow, regulation flow and the control degree of superheat.
Further, throttling element 70 is capillary, electric expansion valve or heating power expansion valve.Capillary, electric expansion valve and
Heating power expansion valve can play good throttling action, wherein, the aperture of electric expansion valve and heating power expansion valve can be as needed
The degree of superheat be controlled.
It should be understood that the heating operations of air-conditioning system 100 of the present utility model and defrosting process are alternately, can be according to sky
The factor such as the running situation of adjusting system 100 and indoor and outdoor surroundingses temperature sets operational mode, rationally to control the system of air-conditioning system 100
The time of thermal process and defrosting process.
With continued reference to Fig. 1 and Fig. 2, air-conditioning system 100 also includes triple valve 20, the end of first end 21 and second of triple valve 20
22 connections form the first valve, and the first end 21 of triple valve 20 connects with the 3rd end 23 forms the second valve.
When the utility model air-conditioning system 100 heats, the end 22 of first end 21 and second of triple valve 20 is opened, triple valve
20 the 3rd end 23 is closed, so that refrigerant carries out indoor heating circulation；Air-conditioning system 100 is in defrosting, and the of triple valve 20
The end 23 of one end 21 and the 3rd is opened, and the second end 22 of triple valve 20 is closed, so that refrigerant carries out outdoor defrosting circulation, to cold
Matchmaker heats the easy to control accurate of the circulation that circulates and defrost.
In an embodiment of the utility model air-conditioning system 100, the first outdoor heat exchanger 40 and the second outdoor heat exchanger
50 are disposed adjacent, or are connected with heat transfer structure between the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50.
First outdoor heat exchanger 40 and the second outdoor heat exchanger 50 are disposed adjacent in the utility model air-conditioning system 100, the
Exist between one outdoor heat exchanger 40 and the second outdoor heat exchanger 50 outside heat exchange, or the first outdoor heat exchanger 40 and second Room
Heat transfer structure is connected between heat exchanger 50, by setting heat transfer structure to be changed outside with the first outdoor heat exchanger 40 and second Room
Heat exchange can be carried out between hot device 50, during defrosting, the thermal discharge of the first outdoor heat exchanger 40, which is more than outside second Room, to be changed
The caloric receptivity of hot device 50, the heat of the first outdoor heat exchanger 40 can be transferred to the second outdoor heat exchanger 50, so as to outdoor to first
The outdoor heat exchanger 50 of heat exchanger 40 and second is effectively defrosted.
First outdoor heat exchanger 40 and the second outdoor heat exchanger 50 are located at same outdoor unit.
First outdoor heat exchanger 40 and the second outdoor heat exchanger 50 are located at same outdoor in the utility model air-conditioning system 100
Machine, the efficient heat transfer between the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50 is more preferable, during defrosting, first
The thermal discharge of outdoor heat exchanger 40 is more than the caloric receptivity of the second outdoor heat exchanger 50, and the heat of the first outdoor heat exchanger 40 can transmit
To the second outdoor heat exchanger 50, so as to effectively be defrosted to outdoor unit.
In another embodiment of the utility model air-conditioning system 100, the first outdoor heat exchanger 40 and the second outdoor heat exchange
Device 50 is respectively arranged on two outdoor units, and heat transfer structure is connected between the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50.
The utility model air-conditioning system 100 is during defrosting, the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50
Between heat exchange carried out by heat transfer structure, the thermal discharge of the first outdoor heat exchanger 40 is more than the suction of the second outdoor heat exchanger 50
Heat, the heat of the first outdoor heat exchanger 40 can be transferred to the second outdoor heat exchanger 50, effective so as to be carried out to two outdoor units
Defrosting.
Air-conditioning system 100 also includes control chip (not shown), and four-way valve 10 and triple valve 20 are electrically connected with control chip
Connect.
The control chip that the utility model air-conditioning system 100 is electrically connected by setting with four-way valve 10 and triple valve 20,
When air-conditioning system 100 need to be heated, control chip is by controlling the end 22 of first end 21 and second of triple valve 20 to open, and
Three ends 23 are closed, and the first interface 11 of four-way valve 10 connects with the 4th interface 14, second interface 12 connects with the 3rd interface 13, from
And refrigerant is controlled to carry out heating circulation；When air-conditioning system 100 need to be defrosted, control chip is by controlling the of triple valve 20
One end 21 is connected with the 3rd end 23, and the second end 22 is closed, and the second interface 12 of four-way valve 10 connects with the 3rd interface 13, so as to control
Refrigeration matchmaker carries out defrosting circulation.It is understood that the heating operations and defrosting process of control chip control air-conditioning system 100 are handed over
For progress, operational mode can be set according to the factor such as the running situation of air-conditioning system 100 and indoor and outdoor surroundingses temperature, rationally to control
The heating operations of air-conditioning system 100 and the time of defrosting process.
First outdoor heat exchanger 40 and the second outdoor heat exchanger 50 are equipped with temperature sensor (not shown), temperature sensor
Electrically connected with control chip.
Temperature sensor and control chip electrical connection in the utility model air-conditioning system 100, temperature sensor are used to examine
The temperature of the first outdoor heat exchanger 40 and the second outdoor heat exchanger 50 is surveyed, and temperature parameter is transmitted to control chip, controls core
Piece controls the opening and closing of four-way valve 10 and the corresponding valve of triple valve 20, to control air-conditioning system 100 according to the temperature parameter detected
Open, continue to run with or change heating mode or defrosting mode.
Check valve 90 is connected between second valve and the first outdoor heat exchanger 40.
In the utility model air-conditioning system 100, check valve is connected between the second valve and the first outdoor heat exchanger 40
90, when the check valve 90 can prevent that air-conditioning system 100 from defrosting, the refrigerant discharged by the exhaust outlet 32 of compressor 30 flows to the first outdoor
Occurs situation about flowing backwards during heat exchanger 40.
Check valve 90 is connected between the outdoor heat exchanger 40 of throttling element 70 and first.
In the utility model air-conditioning system 100, check valve 90 is connected between the outdoor heat exchanger 40 of throttling element 70 and first,
When the check valve 90 can prevent that air-conditioning system 100 from heating, the first outdoor heat exchanger 40 is flowed to by the refrigerant after throttling element 70
During there is situation about flowing backwards.
Air-conditioning system 100 also includes gas-liquid separator (not shown), the gas returning port (not shown) and four-way of gas-liquid separator
Valve 10 connects, and the gas outlet (not shown) of gas-liquid separator connects with the air entry 31 of compressor 30.
The gas outlet of gas-liquid separator connects with the air entry 31 of compressor 30 in the utility model air-conditioning system 100, cold
Enter gas-liquid separator after matchmaker's circulation, the cold media gas after gas-liquid separator separates leads to compressor 30, gas-liquid separator
Refrigerant drop in being circulated for storage system, it can prevent that refrigerant is excessive and dilutes the machine oil of compressor 30 and refrigerant drop pair
Liquid hammer caused by compressor 30 injures.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of air-conditioning system, including compressor, four-way valve, indoor heat exchanger, throttling element and the first outdoor heat exchanger, the pressure
Contracting machine, four-way valve, indoor heat exchanger, throttling element and the first outdoor heat exchanger are in turn connected to form refrigerant heating circulation line, its
It is characterised by, the air-conditioning system also includes being connected between first outdoor heat exchanger and the air entry of the compressor
Choke valve and the second outdoor heat exchanger, the choke valve is connected to outside first outdoor heat exchanger and the second Room and changes
Between hot device；First outdoor heat exchanger is connected between the compressor and the indoor heat exchanger by pipeline to be formed
Coolant defrosting pipeline；The first valve, the compressor are connected between the exhaust outlet of the compressor and the indoor heat exchanger
Exhaust outlet and first outdoor heat exchanger between be connected with the second valve.
2. air-conditioning system as claimed in claim 1, it is characterised in that the air-conditioning system also includes triple valve, the threeway
The first end of valve connects to form first valve with the second end, the first end of the triple valve connected with the 3rd end to be formed it is described
Second valve.
3. air-conditioning system as claimed in claim 1, it is characterised in that changed outside first outdoor heat exchanger and the second Room
Hot device is disposed adjacent, or is connected with heat transfer structure between first outdoor heat exchanger and second outdoor heat exchanger.
4. air-conditioning system as claimed in claim 3, it is characterised in that changed outside first outdoor heat exchanger and the second Room
Hot device is located at same outdoor unit.
5. air-conditioning system as claimed in claim 1, it is characterised in that changed outside first outdoor heat exchanger and the second Room
Hot device is respectively arranged on two outdoor units, and heat transfer knot is connected between first outdoor heat exchanger and second outdoor heat exchanger
Structure.
6. air-conditioning system as claimed in claim 2, it is characterised in that the air-conditioning system also includes control chip, and described four
Port valve and the triple valve electrically connect with the control chip.
7. air-conditioning system as claimed in claim 6, it is characterised in that first outdoor heat exchanger and the second outdoor heat exchanger
It is equipped with temperature sensor, the temperature sensor and control chip electrical connection.
8. such as the air-conditioning system any one of claim 1-7, it is characterised in that second valve and first Room
Check valve is connected between external heat exchanger.
9. such as the air-conditioning system any one of claim 1-7, it is characterised in that the throttling element and first outdoor
Check valve is connected between heat exchanger.
10. such as the air-conditioning system any one of claim 1-7, it is characterised in that the air-conditioning system also includes gas-liquid
Separator, the gas returning port of the gas-liquid separator connect with the four-way valve, the gas outlet of the gas-liquid separator and the pressure
The air entry connection of contracting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460349.2U CN206683155U (en) | 2017-04-27 | 2017-04-27 | Air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460349.2U CN206683155U (en) | 2017-04-27 | 2017-04-27 | Air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206683155U true CN206683155U (en) | 2017-11-28 |
Family
ID=60405617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460349.2U Active CN206683155U (en) | 2017-04-27 | 2017-04-27 | Air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206683155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918105A (en) * | 2017-04-27 | 2017-07-04 | 广东美的制冷设备有限公司 | Air-conditioning system |
| CN111255914A (en) * | 2018-11-30 | 2020-06-09 | 广东美芝精密制造有限公司 | Compressor and refrigerating system with same |
-
2017
- 2017-04-27 CN CN201720460349.2U patent/CN206683155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918105A (en) * | 2017-04-27 | 2017-07-04 | 广东美的制冷设备有限公司 | Air-conditioning system |
| CN111255914A (en) * | 2018-11-30 | 2020-06-09 | 广东美芝精密制造有限公司 | Compressor and refrigerating system with same |
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