CN209341405U - A kind of air-conditioning system - Google Patents
A kind of air-conditioning system Download PDFInfo
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- CN209341405U CN209341405U CN201821953266.8U CN201821953266U CN209341405U CN 209341405 U CN209341405 U CN 209341405U CN 201821953266 U CN201821953266 U CN 201821953266U CN 209341405 U CN209341405 U CN 209341405U
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Abstract
The utility model discloses a kind of air-conditioning systems, belong to air-conditioning technical field.Air-conditioning system includes indoor unit and outdoor unit, and air-conditioning further includes tonifying Qi component, and tonifying Qi component has flash evaporation and first throttling device, and first throttling device is set on the connecting line between gaseous coolant port and gas-liquid separator；First pipeline is equipped with second throttling device in the pipeline section between flash evaporation and outdoor heat exchanger；The pipeline section of the neighbouring indoor heat exchanger of first pipeline is equipped with the first muffler；The pipeline section of the neighbouring indoor heat exchanger of second pipeline is equipped with the second muffler.The air-conditioning system of the utility model respectively has additional a muffler on the pipeline section of the first pipeline of refrigerant circulation circuit and the neighbouring indoor heat exchanger of the second pipeline, while the Gas-supplying enthalpy-increasing operation for not influencing air-conditioning system, the transmitting of vibration and noise to indoor unit caused by can also reducing because of coolant distribution and shwoot, has been effectively ensured user to the usage experience of the air conditioner type with Gas-supplying enthalpy-increasing.
Description
Technical field
The utility model relates to air-conditioning technical fields, more particularly to a kind of air-conditioning system.
Background technique
Currently on the market determine frequency or convertible frequency air-conditioner product, outdoor temperature is lower in winter or summer outdoor temperature for air-conditioning
When being run in the operating conditions such as higher more rugged environment, influenced by the factors such as external environment and air-conditioning self performance, through compressing
The enthalpy of the compressed refrigerant of machine is not able to satisfy the enthalpy requirement of heat exchange, leads to the refrigerant and indoor and outdoor that flow into the heat exchanger of air-conditioning
The heat exchange efficiency of environment reduces, the heat exchanger performance of air-conditioning declines.For this problem, there are part air-conditioning products in the prior art
Tonifying Qi pipeline is had additional on refrigerant pipeline, part refrigerant in refrigerant pipeline is back to compressor in advance, to realize to compression
The Gas-supplying enthalpy-increasing of machine operates, for example, connecting between the indoor heat exchanger and outdoor heat exchanger of air-conditioning in a certain air conditioner type
Cold medium main pipe road is provided with flash evaporation, and the gaseous coolant port of flash evaporation is connected to the air entry or gas supplementing opening of compressor, this
The operative liquid refrigerant for flowing through cold medium main pipe road is flashed into gaseous coolant using flash evaporation by sample, and by the gaseous coolant of shwoot
It is transmitted back to compressor, to achieve the purpose that carry out tonifying Qi to compressor.
The circuit design of the above-mentioned Gas-supplying enthalpy-increasing of air-conditioning is additionally arranged new refrigerant branch and sudden strain of a muscle on the basis of air-conditioning original pipeline
Function element is sent out, although can be improved the effect of the compression performance of compressor, refrigerant meeting during branch shunting and shwoot
A small amount of vibration and noise are generated, these vibrations and noise have part along the indoor unit that cold medium main pipe road is transferred to air-conditioning,
And then lead to indoor environment also and will receive vibration and the interference of noise, it is adversely affected to the comfort of user.
Utility model content
The utility model embodiment provides a kind of air-conditioning system.In order to which some aspects of the embodiment to disclosure have one
Simple summary is shown below in basic understanding.The summarized section is not extensive overview, nor to determine key/critical
Component or the protection scope for describing these embodiments.Its sole purpose is that some concepts are presented with simple form, with this
Preamble as following detailed description.
First aspect according to the present utility model provides a kind of air-conditioning system,
Air-conditioning system includes the indoor unit with indoor heat exchanger, has outdoor heat exchanger, compressor and gas-liquid separator
Outdoor unit, the gas outlet of gas-liquid separator is connected with the air entry of compressor, indoor heat exchanger, outdoor heat exchanger and compression
Machine is connected by the first pipeline and the second pipeline, constitutes refrigerant circulation circuit；Air-conditioning further includes tonifying Qi component, tonifying Qi component tool
There are flash evaporation and first throttling device, wherein two liquid refrigerants ports of flash evaporation are connected on the first pipeline, gaseous coolant
Port is connected to the air inlet of gas-liquid separator, and first throttling device is set to the company between gaseous coolant port and gas-liquid separator
Adapter tube road；First pipeline is equipped with second throttling device in the pipeline section between flash evaporation and outdoor heat exchanger；
The pipeline section of the neighbouring indoor heat exchanger of first pipeline is equipped with the first muffler；Heat exchange in the adjacent chamber of second pipeline
The pipeline section of device is equipped with the second muffler.
In a kind of optional embodiment, the first muffler is set in the shell of outdoor unit；Second muffler is set to room
In the shell of outer machine.
In a kind of optional embodiment, the liquid refrigerants end in flash evaporation connection indoor heat exchanger of the first pipeline
The side pipeline section of mouth is equipped with the unhurried current part for slowing down refrigerant flow rate.
In a kind of optional embodiment, the first pipeline is on the pipeline section between flash evaporation and second throttling device
Equipped with the unhurried current part for slowing down refrigerant flow rate.
In a kind of optional embodiment, the connecting line between gaseous coolant port and first throttling device is equipped with
For slowing down the unhurried current part of refrigerant flow rate.
In a kind of optional embodiment, unhurried current part is capillary.
In a kind of optional embodiment, first throttling device is one-way throttling device, and conducting direction is from shwoot
Device flows to gas-liquid separator；Second throttling device is bidirectional throttling device.
In a kind of optional embodiment, flash evaporation has the liquid refrigerants portion, cold with liquid for being series at the first pipeline
The gaseous coolant portion that matchmaker portion is connected；
Two liquid refrigerants ports are set to liquid refrigerants portion；Gaseous coolant port is set to gaseous coolant portion.
In a kind of optional embodiment, flash evaporation is parallel to the first pipeline, corresponding first pipeline of flash evaporation and
Union is provided with shut-off valve on section.
In a kind of optional embodiment, the connecting line between first throttling device and gas-liquid separator is equipped with inspection
The temperature sensor of refrigerant temperature after surveying throttling.
The air-conditioning system of the utility model exchanges heat in the first pipeline of refrigerant circulation circuit and the adjacent chamber of the second pipeline
A muffler is respectively had additional on the pipeline section of device, do not influence air-conditioning system Gas-supplying enthalpy-increasing operation while, additionally it is possible to reduce because
The transmitting of vibration caused by coolant distribution and shwoot and noise to indoor unit, has been effectively ensured user to Gas-supplying enthalpy-increasing
The usage experience of air conditioner type.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The utility model can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model
Embodiment, and be used to explain the principles of the present invention together with specification.
Fig. 1 is the overall structure diagram of the utility model air-conditioning system.
Specific embodiment
The following description and drawings fully show the specific embodiment of the utility model, so that those skilled in the art
Them can be practiced.Other embodiments may include structure, logic, it is electrical, process and other change.It is real
It applies example and only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is sequence that is optional, and operating
It can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.
The range of the embodiments of the present invention includes that the entire scope of claims and all of claims can get
Equivalent.Herein, each embodiment can individually or generally be indicated that this is only with term " utility model "
For convenience, it and if in fact disclosing the utility model more than one, is not meant to automatically limit the range of the application
Conceive for any single utility model or utility model.Herein, relational terms such as first and second and the like are only used
In distinguishing one entity or operation from another entity or operation, without requiring or implying these entities or operation
Between there are any actual relationship or sequences.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that process, method or equipment including a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method or equipment of element.Each embodiment herein is retouched in a progressive manner
It states, each embodiment focuses on the differences from other embodiments, the same or similar parts in each embodiment
It may refer to each other.For method, product disclosed in the embodiment etc., since it is opposite with method part disclosed in embodiment
It answers, so being described relatively simple, reference may be made to the description of the method.
As shown in Figure 1, the utility model provides a kind of air-conditioning system, which includes indoor unit and outdoor unit,
Wherein, indoor unit includes the indoor heat exchanger 1 to exchange heat with indoor environment, and outdoor unit includes exchanging heat with outdoor environment
Outdoor heat exchanger 2, for providing the compressor 3 and gas-liquid separator 10 of circulation power for refrigerant, indoor heat exchanger 1, outdoor are changed
Hot device 2 is connected by the first pipeline 4 with the second pipeline 5 with compressor 3, for constituting conventional refrigerant circulation circuit；One
In a optional embodiment, air-conditioning system is changed with the refrigerant after outdoor environment heat exchange from outdoor in summer operation refrigeration mode
Outflow, flows into indoor heat exchanger 1 via the first pipeline 4 in hot device 2, meanwhile, with the refrigerant after indoor environment heat exchange from interior
Heat exchanger 1 flows out, and flows into compressor 3 via the second pipeline 5 and re-starts compression, and by the refrigerant after compression via compression
The exhaust outlet of machine 3 is re-fed into refrigerant circulation circuit, and flows to outdoor heat exchanger 2 again, can by the refrigerant circulation process
Realize air-conditioning system to the refrigeration cool-down function of indoor environment.Similarly, when running heating mode in winter, refrigerant exchanges heat indoors
It is flowed along the direction opposite with refrigeration mode, it can be achieved that heating of the air-conditioning system to indoor environment between device 1 and outdoor heat exchanger 2
Heat up function.
In addition to above-mentioned conventional refrigerant circulation circuit, the air-conditioning system of the utility model further includes tonifying Qi component, and being used for will
The part coolant distribution of refrigerant circulation circuit is simultaneously sent into compressor, to carry out Gas-supplying enthalpy-increasing to compressor 3, solves compressor 3
The problem of enthalpy deficiency under certain bad working environments environment.
Specifically, tonifying Qi component mainly includes flash evaporation 6 and first throttling device 801.Wherein, two liquid of flash evaporation 6
State refrigerant port is connected on the first pipeline 4, and gaseous coolant port is connected to the air inlet of gas-liquid separator 10；Flash evaporation 6 can
Operative liquid refrigerant evaporation will flow through the first pipeline 4 is delivered to gas-liquid separator 10 as gaseous coolant, and by gaseous coolant,
And compressor is finally flowed into, thus using the gaseous coolant of this part shwoot as the refrigerant for carrying out Gas-supplying enthalpy-increasing to compressor 3
Source；First throttling device 801 is set on the connecting line between the gaseous coolant port and gas-liquid separator 10 of flash evaporation 6,
First throttling device 801 can the gaseous coolant to shwoot further throttle, to reduce the temperature and pressure of refrigerant, improve tonifying Qi
Enthalpy-increasing effect.Here, the flow aperture of first throttling device 801 is controllable, by adjusting the flow G of first throttling device
Degree, thus it is possible to vary the temperature for flowing into the refrigerant of compressor 3 can meet the needs of 3 Gas-supplying enthalpy-increasing of compressor.
In this way, the refrigerant for carrying out Gas-supplying enthalpy-increasing for compressor 3 is in sequence of flow are as follows: first 4 → flash evaporation of pipeline 6 →
First throttling device 801 → gas-liquid separator, 10 → compressor.
Since operative liquid refrigerant is flowed in compressor 3 at flash evaporation 6 in the form of gaseous coolant, in order to guarantee to freeze
It is flowed under mode by outdoor heat exchanger and the cold of outdoor heat exchanger is flowed to by indoor heat exchanger under indoor heat exchanger and heating mode
The temperature and pressure of matchmaker meets actual indoor heat exchange demand, and air-conditioning system further includes second throttling device 802, the second throttling dress
802 are set to be mainly used for carrying out throttle operation to the refrigerant flowed through in refrigerant circulation circuit.
Optionally, second throttling device 802 be set to the first pipeline 4 between outdoor heat exchanger 2 and flash evaporation 6
On pipeline section；Here, when air-conditioning system is run in a chiller mode, refrigerant in the flow direction of the first pipeline 4 is flowed by outdoor heat exchanger 2
To indoor heat exchanger 1, therefore, refrigerant is first to flow through second throttling device 802 on the first pipeline 4, flows into flash evaporation 6 later,
In this way, refrigerant can be made first to carry out a throttle operation before the shwoot operation of flash evaporation, the refrigerant for flowing into flash evaporation 6 is reduced
Refrigerant temperature and pressure, allow to shwoot and go out more gaseous coolants, improve Gas-supplying enthalpy-increasing effect.Therefore, the present embodiment
The setting position of middle second throttling device 802 is relatively specific for the air-conditioning of single cold type or is mainly used in tropical climate area
Air conditioner type.
In another optional embodiment, second throttling device 802 be set to the first pipeline 4 in indoor heat exchanger 1
On pipeline section between flash evaporation 6；Here, when air-conditioning system is run with heating mode, refrigerant is in the flow direction of the first pipeline 4
Outdoor heat exchanger 2 is flowed to by indoor heat exchanger 1, therefore, refrigerant is first to flow through second throttling device 802 on the first pipeline 4, it
Flash evaporation 6 is flowed into afterwards, in this way, refrigerant can be made first to carry out a throttle operation before the shwoot operation of flash evaporation, reduces stream
The refrigerant temperature and pressure for entering the refrigerant of flash evaporation 6 allow to shwoot and go out more gaseous coolants, improve Gas-supplying enthalpy-increasing effect
Fruit.Therefore, the air-conditioning or mainly application that the setting position of second throttling device 802 is relatively specific for single heating type in the present embodiment
Air conditioner type in harsh climate area.
Certainly, in other optional embodiments, the quantity of second throttling device 802 set by same air-conditioning system is
2, it is respectively arranged at the pipe of the pipeline section between indoor heat exchanger 1 and flash evaporation 6 and between outdoor heat exchanger 2 and flash evaporation 6
Duan Shang, to take into account the advantages of improving shwoot amount under refrigeration and heating both of which.
To reduce noise caused by coolant distribution and shwoot and shaking the transmitting to indoor unit, the utility model air-conditioning system
The pipeline section of the neighbouring indoor heat exchanger 1 of first pipeline 4 of system is equipped with the first muffler 701, and the first muffler 702 is for reducing
The vibration transmitted via the first pipeline 4 to indoor unit and noise；The pipeline section of the neighbouring indoor heat exchanger of second pipeline 5 is equipped with the
Two mufflers 702, the second muffler 702 are used for plus your the good vibration transmitted via the second pipeline 5 to indoor unit and noise.
In another optional embodiment, it can be and be only equipped on the pipeline section of the neighbouring indoor heat exchanger 1 of the first pipeline 4
First muffler 701；For example, the flow direction of refrigerant is first to flow to outdoor heat exchanger by compressor 3 always for the air-conditioning of single cold type
2, indoor heat exchanger 1 is flowed to by outdoor heat exchanger 2 later, with the vibration of coolant transmission and noise mainly via the first pipeline 4
Therefore flowing into indoor unit only can be arranged silencer on the first pipeline 4.
In another optional embodiment, it can be and be only equipped on the pipeline section of the neighbouring indoor heat exchanger 1 of the second pipeline 5
Second muffler 702；For example, the flow direction of refrigerant is first to flow to indoor heat exchanger by compressor 3 always for the air-conditioning of single heating type
1, outdoor heat exchanger 2 is flowed to by indoor heat exchanger 1 later, with the vibration of coolant transmission and noise mainly via the second pipeline 5
Therefore flowing into indoor unit only can be arranged silencer on the second pipeline 5.
It here, is the adverse effect for avoiding rainwater in external environment etc. from damaging muffler, the utility model
First muffler 701 is set in the shell of outdoor unit, and the second muffler 702 is set in the shell of outdoor unit, to utilize outdoor unit
Shell two mufflers are protected, improve its service life.
Silencer employed in many of the above embodiment can be disappearing applied to field of air conditioning in the prior art
Sound device type, is herein not construed as limiting this.
In an alternative embodiment, to reduce when refrigerant quickly flows through flash evaporation in refrigerant circulation circuit pair
Impact endurance test shock caused by flash evaporation, the liquid that in flash evaporation 6 connects indoor heat exchanger 1 of the utility model in the first pipeline 4
The side pipeline section of refrigerant port is equipped with the unhurried current part 9 for slowing down refrigerant flow rate.In this way, when air-conditioning is run with heating mode
When, unhurried current part 9 can first be flowed through by the refrigerant that indoor heat exchanger flows to flash evaporation 6, the flow velocity of the refrigerant of outflow unhurried current part 9 reduces,
The refrigerant impact force that flash evaporation 6 is flowed into after to make reduces, and flash evaporation is also reduced because of its vibration generated.
Optionally, the air conditioner being set to for hereinbefore second throttling device 802 between outdoor heat exchanger 2 and flash evaporation 6
Type, can also be cold for slowing down in being equipped on the pipeline section between flash evaporation 6 and second throttling device 802 for the first pipeline 4
The unhurried current part 9 of matchmaker's flow velocity, the unhurried current part 9 at this are then the flow velocitys for slowing down the refrigerant for flowing to second throttling device 802, with drop
The low impact to second throttling device 802, and can be improved the restriction effect of throttling set.
Optionally, the air conditioner being set to for hereinbefore second throttling device 802 between indoor heat exchanger 1 and flash evaporation 6
Type, can also being equipped with for subtracting on the pipeline section between indoor heat exchanger 1 and second throttling device 802 in the first pipeline 4
The unhurried current part 9 of slow refrigerant flow rate, with using unhurried current part 9 reduce refrigerant to later followed by second throttling device 802 and dodge
Send out the impact of device 6.
Optionally, the connecting line between gaseous coolant port and first throttling device 801 is equipped with for slowing down refrigerant
The unhurried current part 9 of flow velocity, the unhurried current part 9 at this are then the flow velocitys for slowing down the refrigerant for flowing to first throttling device 801, to reduce
Impact to first throttling device 801, and can be improved the restriction effect of throttling set.
Optionally, the unhurried current part 9 in above-mentioned multiple embodiments can be capillary.
In an alternative embodiment, first throttling device 801 is one-way throttling device, and conducting direction is from shwoot
Device 6 flows to gas-liquid separator 10；Second throttling device 802 is bidirectional throttling device, to meet under air conditioner refrigerating or heating mode
The demand that refrigerant is circulated with opposite course.
In an alternative embodiment, the compressor 3 of air-conditioning system includes at least one stage of compression portion and secondary compressing portion,
Wherein, the refrigerant that one stage of compression portion is used to flow into gas-liquid separator 10 carries out one stage of compression, and secondary compressing portion is used for cold
Matchmaker carries out two-stage compression, and the refrigerant for exporting compressor 3 can satisfy heat exchanger and carry out the required temperature and pressure of heat exchange.
In one embodiment of the utility model, flash evaporation 6 and the first pipeline 4 are connected in series, the main knot of flash evaporation 6
Structure includes liquid refrigerants portion, the gaseous coolant portion being connected with liquid refrigerants portion, wherein two liquid refrigerants ports are set to liquid
Refrigerant portion；Gaseous coolant port is set to gaseous coolant portion.
In another embodiment of the utility model, flash evaporation 6 is connected in parallel with the first pipeline 4, flash evaporation 6 corresponding
Be provided with shut-off valve on the parallel transistor section of one pipeline 4, can by control first throttling device 801 and shut-off valve unlatching or
It closes, to be connected or block refrigerant pipeline and the corresponding parallel transistor section where flash evaporation 6, for example, closing can be passed through
The shut-off valve in parallel transistor section makes refrigerant be not passed through flash evaporation 6, in this way, with regard to not carrying out Gas-supplying enthalpy-increasing to compressor；Alternatively, can
To make refrigerant flow through flash evaporation 6 by the shut-off valve for opening parallel transistor section, in this manner it is possible to carry out tonifying Qi increasing to compressor
Enthalpy.
In one embodiment of the utility model, air-conditioning system is provided with the temperature for detecting the refrigerant temperature after throttling
Sensor is spent, which is set on the connecting line between first throttling device 801 and gas-liquid separator 10.Therefore,
Air-conditioning can adjust the flow aperture of first throttling device 801 according to the refrigerant temperature after the throttling that detection obtains, with satisfaction pair
The coolant quantity demand of compressor progress Gas-supplying enthalpy-increasing.
It should be understood that the utility model is not limited to the process and knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (10)
1. a kind of air-conditioning system, which is characterized in that
The air-conditioning system includes the indoor unit with indoor heat exchanger (1), has outdoor heat exchanger (2), compressor (3) gentle
The gas outlet of the outdoor unit of liquid/gas separator (10), the gas-liquid separator (10) is connected with the air entry of the compressor, institute
It states indoor heat exchanger (1), the outdoor heat exchanger (2) and the compressor (3) and passes through the first pipeline (4) and the second pipeline (5)
It is connected, constitutes refrigerant circulation circuit；The air-conditioning further includes tonifying Qi component, and the tonifying Qi component has flash evaporation (6) and the
One throttling set (801), wherein two liquid refrigerants ports of the flash evaporation (6) are connected on first pipeline (4),
Gaseous coolant port is connected to the air inlet of the gas-liquid separator (10), and the first throttling device (801) is set to the gas
On connecting line between state refrigerant port and the gas-liquid separator (10)；First pipeline (4) is in the shwoot
Pipeline section between device (6) and the outdoor heat exchanger (2) is equipped with second throttling device (802)；
The pipeline section of neighbouring indoor heat exchanger (1) of first pipeline (4) is equipped with the first muffler (701)；Described
The pipeline section of neighbouring indoor heat exchanger (1) of two pipelines (5) is equipped with the second muffler (702).
2. air-conditioning system according to claim 1, which is characterized in that first muffler (701) is set to the outdoor
In the shell of machine；Second muffler (702) is set in the shell of the outdoor unit.
3. air-conditioning system according to claim 1, which is characterized in that first pipeline (4) is in the flash evaporation
(6) the side pipeline section of the liquid refrigerants port of the indoor heat exchanger (1) is connected equipped with the unhurried current for slowing down refrigerant flow rate
Part (9).
4. air-conditioning system according to claim 1, which is characterized in that first pipeline (4) is in the flash evaporation
(6) pipeline section between the second throttling device (802) is equipped with the unhurried current part (9) for slowing down refrigerant flow rate.
5. air-conditioning system according to claim 1, which is characterized in that the gaseous coolant port and first throttle dress
The connecting line between (801) is set equipped with the unhurried current part (9) for slowing down refrigerant flow rate.
6. according to air-conditioning system described in claim 3,4 or 5, which is characterized in that the unhurried current part (9) is capillary.
7. air-conditioning system according to claim 1, which is characterized in that the first throttling device (801) is one-way throttle
Device, conducting direction are to flow to the gas-liquid separator (10) from the flash evaporation (6)；The second throttling device (802)
For bidirectional throttling device.
8. air-conditioning system according to claim 1, which is characterized in that the flash evaporation (6), which has, is series at described first
The liquid refrigerants portion of pipeline (4), the gaseous coolant portion being connected with the liquid refrigerants portion；
Described two liquid refrigerants ports are set to the liquid refrigerants portion；The gaseous coolant port is set to the gaseous coolant
Portion.
9. air-conditioning system according to claim 1, which is characterized in that the flash evaporation (6) is parallel to first pipeline
(4), shut-off valve is provided on the parallel transistor section of corresponding first pipeline (4) of the flash evaporation (6).
10. air-conditioning system according to claim 1, which is characterized in that the first throttling device (801) and the gas-liquid
Connecting line between separator (10) is equipped with the temperature sensor of the refrigerant temperature after detection throttling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953266.8U CN209341405U (en) | 2018-11-24 | 2018-11-24 | A kind of air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953266.8U CN209341405U (en) | 2018-11-24 | 2018-11-24 | A kind of air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209341405U true CN209341405U (en) | 2019-09-03 |
Family
ID=67749210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821953266.8U Active CN209341405U (en) | 2018-11-24 | 2018-11-24 | A kind of air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209341405U (en) |
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2018
- 2018-11-24 CN CN201821953266.8U patent/CN209341405U/en active Active
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