CN206919171U - A kind of air conditioner and its indoor set - Google Patents
A kind of air conditioner and its indoor set Download PDFInfo
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- CN206919171U CN206919171U CN201720624401.3U CN201720624401U CN206919171U CN 206919171 U CN206919171 U CN 206919171U CN 201720624401 U CN201720624401 U CN 201720624401U CN 206919171 U CN206919171 U CN 206919171U
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Abstract
The utility model discloses a kind of air conditioner and its indoor set, belong to air-conditioning technical field.Indoor set include First Heat Exchanger, the second heat exchanger and can bidirectional rotation air-supply blowing fan, indoor set also has uptake, lower air port and the air channel between uptake and lower air port；Wherein, blowing fan is arranged in air channel, and upward air port air-supply can be run with the first rotation direction or runs downward air port with the second rotation direction and is blown；First Heat Exchanger is arranged between the uptake in air channel and blowing fan, and the second heat exchanger is arranged between the uptake in air channel and blowing fan.The indoor set of the utility model air conditioner can make indoor environment to form comfortable uniform temperature field under different working conditions, the drawbacks of overcoming the air-out direction of the air-conditioning of conventional type limited.
Description
Technical field
Air-conditioning technical field is the utility model is related to, more particularly to and a kind of air conditioner and its indoor set.
Background technology
The structure of the indoor set of air-conditioning products is usually to include air inlet and air outlet at present, in air-conditioning to freeze and heat
During mode operation, room air is got in inside machine from air inlet, and from air-out after being exchanged heat with indoor set heat exchanger
It is salty to be newly blown into indoor environment.In general, in order to improve the overall refrigeration of indoor environment, indoor set is mostly by leading
Aerofoil adjusts upward air-out direction so that the larger cold air of weight of indoor set blowout can from the top of indoor environment from
So it is deposited to lower section；Similarly, it is the overall heating effect that improves indoor environment, indoor set is by air-out side by wind deflector mostly
To downward adjustment, so that the less hot-air of weight of indoor set blowout can rise to naturally from the lower section of indoor environment
Side.
However, be all to determine due to the position of the air outlet of indoor set, and the wind-guiding limited angle of wind deflector, therefore it is empty
Adjust when different operational modes are run, its air-out direction is also defined in certain wind-out range, can not be realized well
During refrigeration upward air-out and heating when downward air-out air-out mode.
Utility model content
The utility model provides a kind of air conditioner and its indoor set, it is intended to solves going out when air-conditioning is run in different modalities
The problem of wind direction is limited.In order to which some aspects of the embodiment to disclosure have a basic understanding, shown below is simple
Summary.The summarized section is not extensive overview, nor to determine key/critical component or describe these embodiments
Protection domain.Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
According to of the present utility model the on one side, there is provided a kind of indoor apparatus of air conditioner, indoor set include First Heat Exchanger,
Second heat exchanger and can bidirectional rotation air-supply blowing fan, indoor set also there is uptake, lower air port and located at uptake and
Air channel between lower air port；Wherein, blowing fan is arranged in air channel, and the air-supply of upward air port can be run with the first rotation direction or with the
Two rotation directions run downward air port air-supply；First Heat Exchanger is arranged between the uptake in air channel and blowing fan, and the second heat exchanger is set
It is placed between the uptake in air channel and blowing fan.
Further, forward, upwards or obliquely, the direction in lower air port is forward, downwards or obliquely for the direction of uptake.
Further, indoor set also includes controller, and controller is used for：Control blowing fan when running refrigeration mode with the
One rotation direction is run.
Further, indoor set also includes controller, and controller is used for：Control blowing fan when running heating mode with the
Two rotation directions are run.
Further, air channel has the straight air duct sections for being used for installing blowing fan；Blowing fan is axial flow blower, axial flow blower
Rotating shaft axially it is parallel with the longitudinal direction of straight air duct sections.
Further, air channel has the arc air duct sections for being used for installing blowing fan；Blowing fan is centrifugal blower, centrifugal blower
Shaft axis it is conllinear in the center of arc air duct sections.
Further, filter style grid are provided with uptake and lower air port.
Further, wind deflector and/or wind-guiding pendulum leaf are provided with uptake and lower air port.
According to second of the present utility model aspect, a kind of air conditioner is additionally provided, air conditioner has above-mentioned indoor set.
Further, air conditioner also includes outdoor heat exchanger, compressor, four-way valve and throttling arrangement, outdoor heat exchanger, pressure
Contracting machine, four-way valve, throttling arrangement, First Heat Exchanger and the second heat exchanger connect and compose refrigerant circulation circuit by refrigerant pipeline,
Wherein, First Heat Exchanger and the second heat exchanger are sequentially connected in series in refrigerant circulation circuit, and First Heat Exchanger is connected to neighbouring compression
On the refrigerant pipeline of machine side, the second heat exchanger is connected on the refrigerant pipeline of neighbouring outdoor heat exchanger side.
The indoor set of the utility model air conditioner is provided with upper and lower two air ports, and is divided to two up and down by indoor heat exchanger
Point, and blowing fan is located among two parts indoor heat exchanger, so, controls air-flow to exist by adjusting the direction of rotation of blowing fan
Flow direction in indoor set, it is possible to achieve in refrigeration to up-draught, dried downwards in heating, so that indoor environment is in difference
Comfortable uniform temperature field can be formed under working condition, the drawbacks of overcoming the air-out direction of the air-conditioning of conventional type limited.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
The utility model can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, show meet it is of the present utility model
Embodiment, and for explaining principle of the present utility model together with specification.
Fig. 1 is the structural representation one of the utility model air conditioner according to shown by an exemplary embodiment；
Fig. 2 is the structural representation two of the utility model air conditioner according to shown by an exemplary embodiment；
Fig. 3 is the structural representation three of the utility model air conditioner according to shown by an exemplary embodiment；
Fig. 4 is the structural representation of the utility model air conditioner according to shown by an exemplary embodiment.
Wherein, 11, First Heat Exchanger；12nd, the second heat exchanger；2nd, blowing fan；3rd, outdoor heat exchanger；4th, compressor；5th, four
Port valve；6th, throttling arrangement；71st, uptake；72nd, lower air port.
Embodiment
The following description and drawings fully show specific embodiment of the present utility model, so that those skilled in the art
Them can be put into practice.Other embodiments can include structure, logic, it is electric, process and other change.It is real
Apply example and only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated
It can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.
The scope of embodiment of the present utility model includes the gamut of claims, and all of claims obtain
Equivalent.Herein, each embodiment can individually or generally be represented that this is only with term " utility model "
For convenience, and if in fact disclosing the utility model more than one, it is not meant to automatically limit the scope of the application
Conceive for any single utility model or utility model.Herein, such as first and second or the like relational terms are only used
Made a distinction in by an entity or operation with another entity or operation, without requiring or implying these entities or operation
Between any actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method or equipment including a series of elements not only include those key elements, and
And also include the other element that is not expressly set out, or also include for this process, method or equipment intrinsic want
Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described
Other identical element also be present in the process of element, method or equipment.Each embodiment herein is retouched by the way of progressive
State, what each embodiment stressed is the difference with other embodiment, identical similar portion between each embodiment
Mutually referring to.For method, product etc. disclosed in embodiment, due to its with embodiment disclosed in method part it is relative
Should, so description is fairly simple, related part is referring to method part illustration.
Fig. 1 is the structural representation one of the utility model air conditioner according to shown by an exemplary embodiment, and Fig. 2 is root
According to the structural representation two of the utility model air conditioner shown by an exemplary embodiment, Fig. 3 is according to an exemplary implementation
The structural representation three of the utility model air conditioner shown by example.
The utility model provides a kind of indoor set of air conditioner, and indoor set includes casing, indoor heat exchanger, air-supply dress
Put, wherein, casing internal forms the space of accommodating indoor heat exchanger and air-supply arrangement, and flowing is filled with inside indoor heat exchanger
Exchange heat refrigerant, air-supply arrangement be used for drive air flow into/flow out indoor set.When machine works indoors, in the driving of air-supply arrangement
Under active force, the air of indoor environment enters in casing, and is blown into room again after the refrigerant with indoor heat exchanger is exchanged heat
In interior environment, so as to complete an indoor recuperated cycle.
Specifically, the top of casing offers uptake 71, bottom offers lower air port 72, in being internally formed for casing
Connect the air channel in uptake 71 and lower air port 72；Air channel is integrated, and its both ends is respectively communicated with uptake 71 and lower air port
72.So, the air of indoor environment can get in machine from lower air port 72, and along duct flows, finally be returned to from uptake 71
In indoor environment, for ease of the explanation to the air flow in subsequent embodiment, the air flow is defined as air herein and existed
The first flow direction (solid arrow direction as shown in Figure 1) in indoor set；Or the air of indoor environment can be from uptake
71 get in machine, and along duct flows, finally return in indoor environment from lower air port 72, be herein defined as the air flow
Air the second flow direction (dotted arrow direction as shown in Figure 1) in machine indoors.
In the indoor machine structure shown in Fig. 1 to Fig. 3, uptake 71 is towards the front of indoor set, the court in lower air port 72
To the front towards indoor set, so, the higher position horizontal blast that indoor set can be by uptake 71 to the interior space, and
Lower position horizontal blast from lower air port 72 to the interior space that can be by.
It is not shown another in the embodiment of accompanying drawing, uptake 71 is towards the top of indoor set, the direction court in lower air port 72
To the lower section of indoor set, so, indoor set can be blown vertically by uptake 71 to the higher position of the interior space, and can be passed through
Blown vertically to the lower position of the interior space in lower air port 72.
It is not shown another in the embodiment of accompanying drawing, uptake 71 is towards the oblique upper of indoor set, the direction in lower air port 72
Towards the obliquely downward of indoor set, so, indoor set can be blown obliquely by uptake 71 to the higher position of the interior space, and
It can be blown obliquely to the lower position of the interior space by lower air port 72.
In embodiment, the uptake 71 of 71 times air ports of uptake 72, lower air port 72 and air channel may make up the air of approximate C-shaped
Stream.
Therefore, when air moves along the first foregoing flow direction, air is to be blown into from uptake 71 in indoor environment, and it goes out
Wind direction towards or close to indoor top surfaces such as ceilings, wind direction is higher, can meet the downward air-out in cooling condition
Air supply direction requirement；Similarly, when air moves along the second foregoing flow direction, air is to be blown into indoor environment from lower air port 72
In, its air-out direction towards or close to the indoor bottom surface such as ground, wind direction is relatively low, can meet to go out downwards in heating condition
The air supply direction requirement of wind.
For realize air can indoors machine air channel along first flow direction or second flow direction flow, the utility model is in air channel
Be provided with can bidirectional rotation air-supply blowing fan 2, blowing fan 2 can run upward air port 71 with the first rotation direction and blown or with the second rotation
Blown to downward air port 72 is run, i.e. blowing fan 2 can drive the air channel of air machine indoors along preceding when being run with the first rotation direction
The the first flow direction movement stated, blowing fan 2 can drive the air channel of air machine indoors along foregoing the when being run with the second rotation direction
Two flow direction movements.
It is understood that due to air, the first flow direction in machine and the second flow direction are flow direction in opposite direction indoors,
Therefore, the first rotation direction of blowing fan 2 and the second rotation direction are also two kinds of rotation directions in opposite direction, for example, for axial flow type fan,
When rotating in a clockwise direction, air can be driven to be moved along a flow directions, when rotating in a counter-clockwise direction, air edge can be driven
Opposite b, which is flowed to, with a flows to movement.Therefore, when indoor set uses axial flow type fan in embodiment, the first rotation direction is clockwise
One of which in rotation direction and rotation direction counterclockwise, the second rotation direction be dextrorotation to another in rotation direction counterclockwise.
Include left-handed blade and dextrorotation blade two types in view of the blade of blowing fan 2, and different rotation direction blades are by suitable
Flow direction when hour hands rotation direction or rotation direction counterclockwise rotate is also different.Meanwhile blowing fan 2 when being set in air channel just facing to
Also specific air flow is influenced whether.Therefore, the first rotation direction of blowing fan 2 and the second rotation direction can be according to the blades of blowing fan 2
Rotation direction and it is set just facing to determination in air channel.
To increase heat exchange area, the heat exchange efficiency under different operational modes is improved, in embodiment, indoor heat exchanger includes
The heat exchanger 12 of First Heat Exchanger 11 and second, wherein, First Heat Exchanger 11 be arranged at the uptake 71 in air channel and blowing fan 2 it
Between, the second heat exchanger 12 is arranged between the uptake 71 in air channel and blowing fan 2, so, what room air flowed in air channel
During, it can be exchanged heat successively with the heat exchanger 12 of First Heat Exchanger 11 and second, add room air and indoor heat exchanger
Heat exchange number, the overall heat exchange amount of indoor heat exchanger and room air can be effectively improved by way of secondary heat exchange；Meanwhile
Indoor heat exchanger is split as the two parts of 11 and second heat exchanger of First Heat Exchanger 12, can increase about one times of heat exchange area, increases
Add the thermocontact area of room air and indoor heat exchanger, further increase heat exchange efficiency.
Specifically, the heat exchanger 12 of First Heat Exchanger 11 and second three kinds inside machine indoors are shown in Fig. 1-Fig. 3
Laying mode, wherein, in the indoor machine structure shown in Fig. 1, the heat exchanger 12 of First Heat Exchanger 11 and second is respectively arranged at
Uptake 71 and the lower position of air port 72, and the plate face of First Heat Exchanger 11 parallel to uptake 71, the second heat exchanger 12 parallel to
Lower air port 72.In the indoor machine structure shown in Fig. 2 and Fig. 3, First Heat Exchanger 11 is obliquely installed in uptake 71 and blowing fan 2
Between air channel in, the second heat exchanger 12 is obliquely installed in the air channel between lower air port 72 and blowing fan 12, with increase heat exchange
The contact area of device and air in air channel, improve heat exchange efficiency.
In embodiment, in order that the room air different working modes phase that the flow direction of machine is run with indoor set indoors
Matching, the utility model indoor set also include controller, and controller is used for：Control blowing fan 2 when running refrigeration mode with the
One rotation direction is run.
When the blowing fan 2 of machine is run with the first rotation direction indoors, activation force lower edge foregoing reality of the air in blowing fan 2
Apply the first flow direction flowing in example, air enters air channel from lower air port 72, and successively with the second heat exchanger 12, First Heat Exchanger 11
It is blown into after being exchanged heat from uptake 71 in indoor environment.Because now indoor set is run in a chiller mode, therefore be blown into interior
The Cryogenic air for heavier-weight in environment, so, the Cryogenic air meeting nature sinking convection current blown out upwards or obliquely, from
And make to form comfortable uniform temperature field in indoor environment.
In addition, in embodiment, controller can be additionally used in：Control blowing fan 2 when running heating mode with the second rotation direction
Operation.
When the blowing fan 2 of machine is run with the second rotation direction indoors, activation force lower edge foregoing reality of the air in blowing fan 2
Apply the second flow direction flowing in example, air enters air channel from uptake 71, and successively with First Heat Exchanger 11, the second heat exchanger 12
It is blown into after being exchanged heat from lower air port 72 in indoor environment.Because now indoor set is run with heating mode, therefore it is blown into interior
The high temperature air for lighter in weight in environment, so, the high temperature air meeting nature blown out downwards or obliquely rise convection current, from
And make to form comfortable uniform temperature field in indoor environment.
In one embodiment of the present utility model, blowing fan 2 uses axial flow blower, air stream when axial flow blower is run
To the rotating shaft axial direction parallel to axial flow blower；Accordingly, in order to reduce duct resistance when air flows through blowing fan 2, this reality
There are the straight air duct sections for being used for installing blowing fan 2 with the air channel of new indoor machine, blowing fan 2 is arranged at the straight air duct sections
It is interior, and the rotating shaft of the blowing fan 2 of axial flow blower type is axially parallel with the longitudinal direction of straight air duct sections.So, air, which flows through, send
Flow direction during fan 2, it is possible to prevente effectively from air channel bends caused wind loss, drops also parallel with the straight air duct sections in air channel
The gas-flow resistance in low air channel influences, and ensures flow velocity of the air in air channel.
In the new another embodiment of this practicality, blowing fan 2 uses centrifugal blower, air flow when centrifugal blower is run
For along the outer shroud arc direction of centrifugal blower；Accordingly, in order to reduce duct resistance when air flows through blowing fan 2, this practicality
The air channel of new indoor machine has the arc air duct sections for being used for installing blowing fan 2, and blowing fan 2 is arranged in the arc air duct sections,
And the shaft axis of centrifugal blower are conllinear in the center of arc air duct sections.So, flow direction when air flows through blowing fan 2 is also parallel
In the arc duct-curve of the arc air duct sections in air channel, it is possible to prevente effectively from the wind loss caused by the bending of air channel, reduces wind
The gas-flow resistance in road influences, and ensures flow velocity of the air in air channel.
In embodiment, when being flowed in air indoors machine with the first flow direction, uptake 71 plays a part of air outlet,
Play a part of air inlet in lower air port 72；And when air is with the second popular flowing, uptake 71 then plays a part of air inlet,
Play a part of air outlet in lower air port 72.Therefore, when uptake 71 or lower air port 72 are as air inlet, the ash in indoor environment
Dirt, debris etc. can be got in machine with air, and therefore, the utility model, which is in the wind at mouth 71 and lower air port 72, to be respectively provided with
There are filter style grid, can be filtered indoors before getting in machine air, to ensure the cleannes of indoor set.
In addition, in embodiment, wind deflector and/or wind-guiding pendulum leaf are provided with uptake 71 and lower air port 72, can be with
When being in the wind mouth 71 or lower air port 72 as air outlet, the air for being blown into interior is oriented to, so as to further realize to going out
The adjustment of wind angle.
Fig. 4 is the structural representation of the utility model air conditioner according to shown by an exemplary embodiment.
The utility model additionally provides a kind of air conditioner, and air conditioner has the indoor set in previous embodiment.
Specifically, air conditioner also includes outdoor heat exchanger 3, compressor 4, four-way valve 5 and throttling arrangement 6, outdoor heat exchanger
3rd, compressor 4, four-way valve 5, throttling arrangement 6, the heat exchanger 12 of First Heat Exchanger 11 and second are connected and composed cold by refrigerant pipeline
Matchmaker's circulation loop, wherein, the heat exchanger 12 of First Heat Exchanger 11 and second is sequentially connected in series in refrigerant circulation circuit, and First Heat Exchanger
11 are connected on the refrigerant pipeline of the neighbouring side of compressor 4, and the second heat exchanger 12 is connected to the cold of the neighbouring side of outdoor heat exchanger 3
On matchmaker's pipeline.
The heat exchanger 12 of First Heat Exchanger 11 and second concatenation is with the advantages of refrigerant circulation circuit, due to by refrigerant flow rate
With the influence of the rotating speed of blowing fan 2, for air in the heat-exchange time angle of single heat exchanger and refrigerant, the utility model can make air
Secondary heat exchange process is carried out with the refrigerant of refrigerant circulation circuit, ensures the heat exchange amount of refrigerant and air, for example, in air conditioner to make
During cold mode operation, the refrigerant in refrigerant circulation circuit successively flows through the second heat exchanger 12 and First Heat Exchanger 11, this process
In, refrigerant carries out first time heat exchange, and the partial heat in absorption air, refrigerant temperature in the second heat exchanger 12 and room air
T2 is increased to by T1, air themperature drops to t2 by t1；The refrigerant continuation of T2 temperature flows to first along refrigerant circulation circuit and changed
Hot device 11, the air of t2 temperature also along duct flows to First Heat Exchanger 11 at, refrigerant is in First Heat Exchanger 11 and room air
Second is carried out to exchange heat, and the partial heat in absorption air again, refrigerant temperature are increased to T3 by T2, air themperature is by under t2
It is down to t3.So, pipeline structure design of the present utility model can significantly improve the heat exchange amount of air and refrigerant, improve indoor set
Heat exchange efficiency.
It should be appreciated that flow and knot that the utility model is not limited to be described above and is shown in the drawings
Structure, and various modifications and changes can be being carried out without departing from the scope.The scope of the utility model only will by appended right
Ask to limit.
Claims (10)
- A kind of 1. indoor apparatus of air conditioner, it is characterised in that the indoor set include First Heat Exchanger (11), the second heat exchanger (12) and Can bidirectional rotation air-supply blowing fan (2), the indoor set also has uptake (71), lower air port (72) and on described Air channel between air port (71) and lower air port (72)；Wherein, the blowing fan (2) is arranged in the air channel, and can be with first Rotation direction is run to blow to the uptake (71) or run to the lower air port (72) with the second rotation direction and blown；First heat exchange Device (11) is arranged between the uptake (71) in the air channel and the blowing fan (2), and second heat exchanger (12) sets It is placed between the uptake (71) in the air channel and the blowing fan (2).
- 2. indoor set according to claim 1, it is characterised in that the direction of the uptake (71) is forward, upwards or tiltedly Upwards, the direction of the lower air port (72) is forward, downwards or obliquely.
- 3. indoor set according to claim 2, it is characterised in that the indoor set also includes controller, the controller For：Control the blowing fan (2) and run when running refrigeration mode with first rotation direction.
- 4. indoor set according to claim 2, it is characterised in that the indoor set also includes controller, the controller For：Control the blowing fan (2) and run when running heating mode with second rotation direction.
- 5. indoor set according to claim 1, it is characterised in that the air channel, which has, to be used to install the blowing fan (2) Straight air duct sections；The blowing fan (2) is axial flow blower, the rotating shaft of the axial flow blower axially with the straight air duct sections Longitudinal direction is parallel.
- 6. indoor set according to claim 1, it is characterised in that the air channel, which has, to be used to install the blowing fan (2) Arc air duct sections；The blowing fan (2) is centrifugal blower, and the shaft axis of the centrifugal blower are in the arc air duct sections Center is conllinear.
- 7. indoor set according to claim 1, it is characterised in that the uptake (71) and the lower air port (72) place are equal It is provided with filter style grid.
- 8. indoor set according to claim 1, it is characterised in that the uptake (71) and the lower air port (72) place are equal It is provided with wind deflector and/or wind-guiding pendulum leaf.
- 9. a kind of air conditioner, it is characterised in that the air conditioner has the indoor set as described in any one of claim 1-8.
- 10. air conditioner according to claim 9, it is characterised in that the air conditioner also includes outdoor heat exchanger (3), pressure Contracting machine (4), four-way valve (5) and throttling arrangement (6), the outdoor heat exchanger (3), the compressor (4), the four-way valve (5), The throttling arrangement (6), the First Heat Exchanger (11) and second heat exchanger (12) are connected and composed cold by refrigerant pipeline Matchmaker's circulation loop, wherein, the First Heat Exchanger (11) and second heat exchanger (12) are sequentially connected in series in the refrigerant circulation Loop, and the First Heat Exchanger (11) is connected on the refrigerant pipeline of the neighbouring compressor (4) side, second heat exchange Device (12) is connected on the refrigerant pipeline of the neighbouring outdoor heat exchanger (3) side.
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| CN201720624401.3U CN206919171U (en) | 2017-05-31 | 2017-05-31 | A kind of air conditioner and its indoor set |
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| CN109099510A (en) * | 2018-09-28 | 2018-12-28 | 珠海格力电器股份有限公司 | air conditioner |
| CN109210619A (en) * | 2018-09-25 | 2019-01-15 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioning system |
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| CN110762609A (en) * | 2019-11-08 | 2020-02-07 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and air conditioner |
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| CN110762621A (en) * | 2019-11-08 | 2020-02-07 | 珠海格力电器股份有限公司 | Machine and air conditioner in air conditioning of reversible air supply |
| CN110986256A (en) * | 2019-12-16 | 2020-04-10 | 广东美的制冷设备有限公司 | Self-cleaning control method and device of air conditioner, air conditioner and storage medium |
| CN112413737A (en) * | 2020-11-26 | 2021-02-26 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN112594799A (en) * | 2020-12-11 | 2021-04-02 | 珠海格力电器股份有限公司 | Fresh air dehumidification all-in-one |
| CN112781106A (en) * | 2020-12-31 | 2021-05-11 | 张家港市华奥特种制冷设备有限公司 | Evaporating system of vertical cabinet type indoor unit |
| CN115930301A (en) * | 2022-12-14 | 2023-04-07 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
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