CN208765327U - Air-conditioning system - Google Patents
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- CN208765327U CN208765327U CN201821495270.4U CN201821495270U CN208765327U CN 208765327 U CN208765327 U CN 208765327U CN 201821495270 U CN201821495270 U CN 201821495270U CN 208765327 U CN208765327 U CN 208765327U
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Abstract
This application involves a kind of air-conditioning systems.Wherein, the air-conditioning system includes the indoor heat exchanger for passing sequentially through piping connection, throttling set, outdoor heat exchanger, four-way valve and compressor；The air-conditioning system further includes regenerative apparatus, and the regenerative apparatus is by piping connection between the compressor and the four-way valve；The air-conditioning system further includes bottom plate of outdoor unit, and the regenerative apparatus is attached at the bottom plate of outdoor unit.Air-conditioning system provided by the present application is provided with regenerative apparatus, during air-conditioning heating when high temperature and pressure air cooling matchmaker's vapour liquidation exothermic reaction, by storing a part of heat of refrigerant release using the regenerative apparatus to air conditioner outdoor unit chassis ice, to carry out bottom plate of outdoor unit ice using the waste heat in operation of air conditioner, it saves the energy and does not influence air-conditioning normal operation, it is convenient and efficient.
Description
Technical field
This application involves air conditioner technical fields, more particularly to a kind of air-conditioning system.
Background technique
For heat pump air conditioner unit when being in heating mode in winter, machine discharges heat to refrigerant indoors, absorbs heat in outdoor unit
Amount.Therefore, the temperature of outdoor unit is generally lower.In addition, outdoor unit is due to being arranged in outdoor, winter makes outdoor temperature is lower, air
In vapor be easily attached on outdoor condenser coil pipe and form droplet, and then form frost layer.With the formation of frost layer, air-conditioning
The heating capacity of device declines, and when reaching the defrosting condition of air-conditioner set, air-conditioner set starts defrosting mode, will be on condenser
The frost layer of knot is melted into water, and water is flowed on bottom plate of outdoor unit along condenser and is discharged from the drainage hole on bottom plate of outdoor unit.
But at the end of defrosting, the water on chassis is not often discharged, when condenser frosting and reaches and bottom again
When the thickness of the water contact on disk, the water on chassis will condense into ice sheet, untreated for a long time to will form thicker ice sheet,
Cause the heating capacity of air conditioner to decline, the working efficiency of air conditioner reduces, or even threaten axial flow blower using safe.
In traditional scheme, main solution is by the way that bottom plate of outdoor unit electric heating progress ice, this method is not
But it is at high cost, it causes the energy to bear heat pump air conditioner unit, and processing mode is inconvenient, it is manual to need to put into manpower progress
Ice.
Utility model content
Based on this, it is necessary to be asked for traditional scheme is at high cost and inconvenient to bottom plate of outdoor unit electric heating progress ice
Topic, provides a kind of air-conditioning system with bottom plate of outdoor unit ice-melting function.
A kind of air-conditioning system comprising pass sequentially through the indoor heat exchanger of piping connection, throttling set, outdoor heat exchanger,
Four-way valve and compressor；
The air-conditioning system further includes regenerative apparatus, the regenerative apparatus by piping connection in the compressor with it is described
Between four-way valve；
The air-conditioning system further includes bottom plate of outdoor unit, and the regenerative apparatus is attached at the bottom plate of outdoor unit.
Above-mentioned air-conditioning system, is provided with regenerative apparatus within air-conditioning systems, and high temperature and pressure is gas-cooled during air-conditioning heating
When matchmaker's vapour liquidation exothermic reaction, by storing a part of heat of refrigerant release using the regenerative apparatus to air conditioner outdoor unit chassis
Ice, to carry out bottom plate of outdoor unit ice using the waste heat in operation of air conditioner, save the energy and not influence air-conditioning normal operation, side
Just quick.
The compressor includes first outlet and second outlet in one of the embodiments,；The four-way valve includes the
One valve port, the second valve port, third valve port and the 4th valve port.
The first outlet and first valve port pass through piping connection, second valve in one of the embodiments,
The first end of mouth and the indoor heat exchanger passes through piping connection, the second end of the indoor heat exchanger and the throttling set
For first end by piping connection, the first end 310 of the second end of the throttling set and the outdoor heat exchanger passes through pipeline company
It connects, the second end 320 of the outdoor heat exchanger and the third valve port pass through piping connection, the 4th valve port and described second
Outlet passes through piping connection.
The regenerative apparatus is parallel to the pipeline between the compressor and the four-way valve in one of the embodiments,
On, the first end of the regenerative apparatus and the first outlet by piping connection, the second end of the regenerative apparatus with it is described
First valve port passes through piping connection.
The regenerative apparatus includes: in one of the embodiments,
Heat storage tank is contained with heat-storing material in the heat storage tank；
Flow regulator is connected with the heat storage tank by pipeline.
The heat storage tank is attached on the bottom plate of outdoor unit in one of the embodiments,.
The regenerative apparatus in one of the embodiments, further include:
Temperature-detecting device is fixedly installed on the inner wall of the heat storage tank.
The air-conditioning system in one of the embodiments, further include:
Check valve, the check valve are connected on the pipeline between the compressor and the four-way valve, the check valve
Including first interface and second interface；The first interface is passed through by first outlet described in piping connection, the second interface
First valve port described in piping connection.
The first end of the regenerative apparatus and the first end of the check valve are connected by pipeline in one of the embodiments,
It connects, the first outlet is connected on the pipeline of the regenerative apparatus and the check valve；
The second end of the regenerative apparatus is connected on the pipeline between the check valve and the four-way valve.
Above-mentioned air-conditioning system, is provided with regenerative apparatus within air-conditioning systems, high pressure gaseous during air-conditioning heating
When cooling medium liquefaction heat release, by storing a part of heat of refrigerant release using the heat storage tank in the regenerative apparatus to air conditioning chamber
Outer machine chassis ice, and the size for flowing into cold medium flux in the regenerative apparatus can be adjusted by flow regulator, thus sharp
Bottom plate of outdoor unit ice is carried out with the running waste heat of air-conditioning system, save the energy and does not influence air-conditioning system normal operation, side
Just quick.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the air-conditioning system that one embodiment of the application provides；
Fig. 2 is the structural schematic diagram for the air-conditioning system that one embodiment of the application provides；
Fig. 3 is the structural schematic diagram for the air-conditioning system that one embodiment of the application provides；
Fig. 4 is the structural schematic diagram for the air-conditioning system that one embodiment of the application provides；
Fig. 5 is the structural schematic diagram for the air-conditioning system that one embodiment of the application provides；
Fig. 6 is the structural schematic diagram for the air-conditioning system that one embodiment of the application provides.
Appended drawing reference:
10 indoor heat exchangers
The first end of 110 indoor heat exchangers
The second end of 120 indoor heat exchangers
20 throttling sets
The first end of 210 throttling sets
The second end of 220 throttling sets
30 outdoor heat exchangers
The first end 310 of 310 outdoor heat exchangers
The second end 320 of 320 outdoor heat exchangers
40 four-way valves
410 first valve ports
420 second valve ports
430 third valve ports
440 the 4th valve ports
50 compressors
510 first outlets
520 second outlets
60 regenerative apparatus
The first end of 610 regenerative apparatus
The second end of 620 regenerative apparatus
630 heat storage tanks
640 flow regulators
650 temperature-detecting devices
70 bottom plate of outdoor unit
80 check valves
810 first interfaces
820 second interfaces
Specific embodiment
In order to make the purpose of the application, technical solution and advantage are more clearly understood, right with reference to the accompanying drawings and embodiments
Air-conditioning system provided by the present application.It should be understood that specific embodiment described herein is only to explain the application, and
It is not used in restriction the application.
Referring to Figure 1, this application provides a kind of air-conditioning systems.Air-conditioning system provided by the present application has bottom plate of outdoor unit
Ice-melting function.It should be noted that air-conditioning system provided by the present application not only limits the air-conditioning system applied to domestic type air-conditioning.Appoint
All embodiments provided by the present application can be used in the air-conditioning system of what type.Optionally, air-conditioning system provided by the present application is
The air-conditioning system of heat pump air conditioner unit.Optionally, the application scenarios of air-conditioning system provided by the present application are winter.
As shown in Figure 1, the air-conditioning system includes passing sequentially through the interior of piping connection in the embodiment of the application
Heat exchanger 10, throttling set 20, outdoor heat exchanger 30, four-way valve 40 and compressor 50.The air-conditioning system further includes outdoor unit
Chassis 70.
In the present embodiment, the indoor heat exchanger 10 may be disposed in the indoor unit of the air-conditioning system.The interior
Machine and the outdoor unit pass through piping connection.The outdoor unit is fixedly connected with the bottom plate of outdoor unit 70.
Specifically, the outdoor unit is placed in outdoor environment.The indoor unit is placed in indoor environment.The outdoor unit is solid
Surely it is connected on the bottom plate of outdoor unit 70, the bottom plate of outdoor unit 70 carries the outdoor unit.
In the present embodiment, the outdoor unit includes by the sequentially connected throttling set 20 of pipeline, outdoor heat exchanger 30 four
Port valve 40 and compressor 50.
In the present embodiment, the application scenarios of air-conditioning system provided by the present application are winter.In winter, the air-conditioning system
In heating mode.The heating principle of the hereinafter described air-conditioning system described in winter.
Specifically, the compressor 50 sucks low-temp low-pressure gaseous coolant.The compressor 50 compresses the low-temp low-pressure
Gaseous coolant, the low-temp low-pressure gaseous coolant become high pressure gaseous refrigerant.The high pressure gaseous refrigerant passes through institute
Indoor heat exchanger 10 is stated, condensation liquefaction is liquid refrigerants, while discharging heat.The heat of release heats room air, reaches
The purpose of heating.The liquid refrigerants enters the outdoor heat exchanger 30, carburation by evaporation heat absorption.The liquid refrigerants becomes described
Low-pressure low-temperature gas.The liquid refrigerants is compressed by the compressor 50 sucking again, is moved in circles.
In the present embodiment, the air-conditioning system further includes regenerative apparatus 60.The regenerative apparatus 60 passes through piping connection
Between the compressor 50 and the four-way valve 40.
In the present embodiment, the regenerative apparatus 60 is used for when the air-conditioning system is in heating mode, in the height
Before warm high-pressure gaseous refrigerant reaches the indoor heat exchanger 10, by the regenerative apparatus 60, and by the high temperature and pressure gas
A part of heat of state refrigerant is stored in the regenerative apparatus 60.
Specifically, when the air-conditioning is in heating mode, the indoor heat exchanger 10, the outdoor heat exchanger 30, institute
State four-way valve 40 and 50 proper engagement of the compressor and carry out heating operations, can't be influenced by the regenerative apparatus 60 and
Slow down heating process.However, the high pressure gaseous refrigerant passes through the indoor heat exchanger 10, condensation liquefaction is liquid refrigerants
When, the heat of release largely will cause waste.
In the present embodiment, the throttling set 20 be set to the indoor heat exchanger 10 and the outdoor heat exchanger 30 it
Between.The throttling set 20 is used for when the air-conditioning system is in the heating mode, in the high pressure gaseous refrigerant
After the indoor heat exchanger 10 is converted into liquid refrigerants, when flowing through the throttling set 20 simultaneously by liquid refrigerants cooling
Decompression.
Specifically, in heating operations, the liquid refrigerants enters the outdoor heat exchanger from the indoor heat exchanger 10
Before 30, the throttling set 20 is first passed through.The liquid refrigerants is cooled down and is depressurized by the throttling set 20.Be conducive to institute in this way
It states liquid refrigerants and vaporizes heat absorption in the outdoor heat exchanger 30.
In the embodiment of the application, the throttling set 20 is electric expansion valve.
Above-mentioned air-conditioning system is provided with regenerative apparatus 60 within air-conditioning systems, and refrigerant vaporization is put during air-conditioning heating
When hot, ice is changed to air conditioner outdoor unit chassis 70 by a part of heat for storing refrigerant release using the regenerative apparatus 60, from
And carry out bottom plate of outdoor unit 70 using the waste heat in operation of air conditioner and change ice, save the energy and do not influence air-conditioning normal operation, it is convenient
Fast.
In the present embodiment, the regenerative apparatus 60 is attached at the bottom plate of outdoor unit 70.In this way, the storage
Thermal 60 conducts stored heat in the bottom plate of outdoor unit 70, to the bottom plate of outdoor unit ice.
Optionally, the regenerative apparatus 60 can directly connect with the bottom plate of outdoor unit 70 by piping connection
Touching.The application does not limit the specific connection type of the regenerative apparatus 60 and the bottom plate of outdoor unit 70.As long as may be implemented
Heat stored in the regenerative apparatus 60 is conducted in the bottom plate of outdoor unit 70, any connection mode can be used as this Shen
A kind of embodiment please.
As shown in Fig. 2, the compressor 50 includes first outlet 510 and second outlet in the embodiment of the application
520.The four-way valve 40 includes the first valve port 410, the second valve port 420, third valve port 430 and the 4th valve port 440.
As shown in figure 3, the first outlet 510 passes through pipe with first valve port 410 in the embodiment of the application
The first end 110 of road connection, second valve port 420 and the indoor heat exchanger 10 passes through piping connection, the interior heat exchange
The second end 120 of device 10 and the first end 210 of the throttling set 20 pass through piping connection, the second end of the throttling set 20
320 pass through piping connection, the second end 320 of the outdoor heat exchanger 30 and institute with the first end 310 of the outdoor heat exchanger 30
Third valve port 430 is stated by piping connection, the 4th valve port 440 passes through piping connection with the second outlet 520.
In the embodiment of the application, the regenerative apparatus 60 be parallel to the compressor 50 and the four-way valve 40 it
Between pipeline on, the first end 610 of the regenerative apparatus 60 and the first outlet 510 pass through piping connection, the accumulation of heat dress
The second end 620 and first valve port 410 for setting 60 pass through piping connection.The regenerative apparatus 60 makes at the air-conditioning system
When the heating mode, before the high pressure gaseous refrigerant flows into the four-way valve 40, by a part of high temperature
High-pressure gaseous refrigerant first flows through the regenerative apparatus 60, then flows into the four-way valve 40.
As shown in figure 4, the regenerative apparatus 60 includes that heat storage tank 630 and flow are adjusted in the embodiment of the application
Device 640.
In the present embodiment, heat-storing material is contained in the heat storage tank 630.The heat-storing material can be water, six water
One of calcium chloride, Sodium acetate trihydrate and Organic Alcohol are a variety of.
In the present embodiment, the flow regulator 640 is connected with the heat storage tank 630.The flow regulator
640 for adjusting the uninterrupted for the high pressure gaseous refrigerant for flowing through the heat storage tank 630.
In the embodiment of the application, switch and adjustment sheet has been can be set in the flow regulator 640.It is described to open
It closes for opening/closing the flow regulator 640.Specifically, when the switch is opened, the flow regulator
640 open, and the high pressure gaseous refrigerant can flow into the heat storage tank 630, and the heat storage tank 630 starts storage heat at this time
Amount.When the switch is closed, the flow regulator 640 is closed, and the high pressure gaseous refrigerant can not flow into described
Heat storage tank 630, but flow directly into the four-way valve 40.The heat storage tank 630 stops storage heat at this time.The adjustment sheet can
To adjust the uninterrupted for the high pressure gaseous refrigerant for flowing into the heat storage tank 630.
In the embodiment of the application, the flow regulator 640 is electric expansion valve.
As shown in figure 5, the regenerative apparatus 60 further includes temperature-detecting device 650 in the embodiment of the application.
In the present embodiment, the temperature-detecting device 650 is set in the heat storage tank 630.The temperature detection dress
650 are set for detecting the temperature of the heat storage tank 630.
In the present embodiment, the specific location that the temperature-detecting device 650 is located in the heat storage tank 630 is not limited.
Also the connection relationship for not limiting the temperature-detecting device 650 and the heat storage tank 630, as long as may be implemented to detect the accumulation of heat
The temperature of case 630.
In the embodiment of the application, the temperature-detecting device 650 is fixedly installed on the interior of the heat storage tank 630
Wall.
As shown in fig. 6, the air-conditioning system further includes check valve 80 in the embodiment of the application.
The check valve 80 is connected on the pipeline between the compressor 50 and the four-way valve 40, the check valve 80
Including first interface 810 and second interface 820.
The first interface 810 is connected by first outlet 510 described in piping connection, the second interface 820 by pipeline
Connect first valve port 410.
The check valve 80 ensure the air-conditioning system in heating operations, the uniqueness of the refrigerant flow direction,
Prevent adverse current.
The first end 610 of the regenerative apparatus 60 and the first end of the check valve 80 are logical in one of the embodiments,
Cross piping connection.The first outlet 510 is connected on the pipeline of the regenerative apparatus 60 and the check valve 80.
The second end 620 of the regenerative apparatus 60 is connected to the pipeline between the check valve 80 and the four-way valve 40
On.
Regenerative apparatus 60, high pressure gaseous during air-conditioning heating is arranged in above-mentioned air-conditioning system within air-conditioning systems
When cooling medium liquefaction heat release, by storing the release of high pressure gaseous refrigerant using the heat storage tank 630 in the regenerative apparatus 60
A part of heat changes ice to bottom plate of outdoor unit 70, and can be adjusted and be flowed into the regenerative apparatus 60 by flow regulator 640
The size of high pressure gaseous cold medium flux, so that carrying out bottom plate of outdoor unit 70 using the running waste heat of air-conditioning system changes ice,
It saves the energy and does not influence air-conditioning normal operation, it is convenient and efficient.
In the embodiment of the application, present invention also provides a kind of bottom plate of outdoor unit ice methods.The outdoor unit
Chassis ice method is applied to the air-conditioning system that above content refers to.The bottom plate of outdoor unit ice method includes following step
It is rapid:
S100 opens air-conditioning heating mode according to heating instruction.
In the present embodiment, the bottom plate of outdoor unit ice method is applied to winter.
S200 receives the heat storage tank 630 that the temperature-detecting device 650 obtains under the air-conditioning heating mode
Temperature.
Specifically, Xiang Suoshu temperature-detecting device 650 sends temperature detection instruction.The temperature-detecting device 650 is connecing
After receiving the temperature detection instruction, the temperature of the heat storage tank 630 is detected.
S300, judges whether the temperature of the heat storage tank 630 is greater than the first temperature threshold.
Specifically, first temperature threshold presets for user.In the embodiment of the application, first temperature
Spending threshold value can be 10 degrees Celsius.
S400 is contacted if so, controlling the regenerative apparatus 60 with the bottom plate of outdoor unit 70, to the bottom plate of outdoor unit 70
Change ice.
Specifically, when the temperature for judging the heat storage tank 630 is greater than first temperature threshold, judge the heat storage tank
630 are stored with enough heats, it is sufficient to change ice to the bottom plate of outdoor unit 70.
In the embodiment of the application, after executing the step S300, the bottom plate of outdoor unit 70 changes ice method
Further include following steps:
S500, if it is not, opening the flow regulator 640.
Specifically, when the temperature of the heat storage tank 630 is less than or equal to first temperature threshold, judge the accumulation of heat
Case 630 does not store enough heats, can not change ice to the bottom plate of outdoor unit 70.It needs to open the flow at this time and adjusts dress
Set 640 pairs of 630 additional heats of heat storage tank.
S600 receives the temperature for the heat storage tank 630 that the temperature-detecting device 650 obtains.
Specifically, the step S600 is consistent with the content of the step 200.
S700, judges whether the temperature of the heat storage tank 630 is equal to second temperature threshold value.
Specifically, the second temperature threshold value presets for user.In the embodiment of the application, second temperature
Spending threshold value can be a numerical value in 20 degrees Celsius to 100 degrees Celsius.Optionally, the second temperature threshold value can be taken the photograph for 60
Family name's degree.
The second temperature threshold value is the maximum temperature that the heat storage tank 630 can store heat.
S800 returns to the step S200 if so, closing the flow regulator 640.
Specifically, if judging, the temperature of the heat storage tank 630 is equal to second temperature threshold value, the heat of the heat storage tank 630
It is stored on the upper limit, can not continue to store heat.The flow regulator 640 is controlled to close.
In the embodiment of the application, after executing the step S700, the bottom plate of outdoor unit 70 changes ice method
Further include following steps:
S900 returns to the step S200 if it is not, continuing starting the flow regulator 640.
Specifically, if judging the temperature of the heat storage tank 630 not equal to second temperature threshold value, the heat of the heat storage tank 630
It measures not stored to the upper limit, can continue to store heat.The flow regulator 640 is controlled to continue starting.
In the embodiment of the application, first temperature threshold is less than the second temperature threshold value.
Regenerative apparatus 60 is arranged, in air-conditioning system heating operations in above-mentioned bottom plate of outdoor unit ice method within air-conditioning systems
Described in the vaporization heat release of high pressure gaseous refrigerant when, connect by controlling the regenerative apparatus 60 with the bottom plate of outdoor unit 70
Touching changes ice to the bottom plate of outdoor unit 70, carries out bottom plate of outdoor unit ice using the running waste heat of air-conditioning system to realize
Purpose, save the energy and do not influence air-conditioning normal operation, it is convenient and efficient.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (9)
1. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes the indoor heat exchanger for passing sequentially through piping connection
(10), throttling set (20), outdoor heat exchanger (30), four-way valve (40) and compressor (50)；
The air-conditioning system further includes regenerative apparatus (60), and the regenerative apparatus (60) is by piping connection in the compressor
(50) between the four-way valve (40)；
The air-conditioning system further includes bottom plate of outdoor unit (70), and the regenerative apparatus (60) is attached at the bottom plate of outdoor unit
(70)。
2. air-conditioning system according to claim 1, which is characterized in that the compressor (50) includes first outlet (510)
With second outlet (520)；The four-way valve (40) include the first valve port (410), the second valve port (420), third valve port (430) and
4th valve port (440).
3. air-conditioning system according to claim 2, which is characterized in that the first outlet (510) and first valve port
(410) pipeline is passed through by piping connection, second valve port (420) and the first end (110) of the indoor heat exchanger (10)
Connection, the second end (120) of the indoor heat exchanger (10) and the first end (210) of the throttling set (20) are connected by pipeline
It connects, the second end (220) of the throttling set (20) and the first end (310) of the outdoor heat exchanger (30) are connected by pipeline
It connects, the second end (320) of the outdoor heat exchanger (30) and the third valve port (430) pass through piping connection, the 4th valve
Mouth (440) and the second outlet (520) pass through piping connection.
4. air-conditioning system according to claim 3, which is characterized in that the regenerative apparatus (60) is parallel to the compressor
(50) on the pipeline between the four-way valve (40), the first end (610) and the first outlet of the regenerative apparatus (60)
(510) connected by piping connection, the second end (620) of the regenerative apparatus (60) and first valve port (410) by pipeline
It connects.
5. air-conditioning system according to claim 4, which is characterized in that the regenerative apparatus (60) includes:
Heat storage tank (630), the heat storage tank (630) is interior to be contained with heat-storing material；
Flow regulator (640) is connected with the heat storage tank (630) by pipeline.
6. air-conditioning system according to claim 5, which is characterized in that the heat storage tank (630) is attached at the outdoor unit
On chassis (70).
7. air-conditioning system according to claim 5, which is characterized in that the regenerative apparatus (60) further include:
Temperature-detecting device (650), is fixedly installed on the inner wall of the heat storage tank (630).
8. air-conditioning system according to claim 4, which is characterized in that the air-conditioning system further include:
Check valve (80), the check valve (80) are connected to the pipeline between the compressor (50) and the four-way valve (40)
On, the check valve (80) includes first interface (810) and second interface (820)；The first interface (810) is connected by pipeline
It connects the first outlet (510), the second interface (820) passes through the first valve port (410) described in piping connection.
9. air-conditioning system according to claim 8, which is characterized in that the first end (610) of the regenerative apparatus (60) with
The first interface (810) is connected to the regenerative apparatus (60) and the list by piping connection, the first outlet (510)
To on the pipeline of valve (80)；
The second end (620) of the regenerative apparatus (60) is connected to the pipe between the check valve (80) and the four-way valve (40)
On the road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495270.4U CN208765327U (en) | 2018-09-12 | 2018-09-12 | Air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495270.4U CN208765327U (en) | 2018-09-12 | 2018-09-12 | Air-conditioning system |
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| Publication Number | Publication Date |
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| CN208765327U true CN208765327U (en) | 2019-04-19 |
Family
ID=66134755
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844266A (en) * | 2018-09-12 | 2018-11-20 | 珠海格力电器股份有限公司 | Air-conditioning system |
-
2018
- 2018-09-12 CN CN201821495270.4U patent/CN208765327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844266A (en) * | 2018-09-12 | 2018-11-20 | 珠海格力电器股份有限公司 | Air-conditioning system |
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