CN109631165A - Air conditioning unit capable of preventing air outlet interference - Google Patents
Air conditioning unit capable of preventing air outlet interference Download PDFInfo
- Publication number
- CN109631165A CN109631165A CN201910040969.4A CN201910040969A CN109631165A CN 109631165 A CN109631165 A CN 109631165A CN 201910040969 A CN201910040969 A CN 201910040969A CN 109631165 A CN109631165 A CN 109631165A
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- Prior art keywords
- air
- blower
- conditioner set
- exhaust air
- wind
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- 238000004378 air conditioning Methods 0.000 title abstract description 6
- 238000001514 detection method Methods 0.000 claims description 12
- 206010022000 influenza Diseases 0.000 claims description 12
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses an air conditioning unit capable of preventing air-out interference, which comprises a shell and a plurality of fans arranged in the shell, wherein the fans are arranged adjacently, the air-out sides of the fans are in the same direction, the air conditioning unit further comprises a plurality of air-out air channels which are mutually independent, the air-out air channels and the fans are arranged in a one-to-one correspondence mode, and each air-out air channel is communicated with the air-out side of the corresponding fan. The technical scheme of the invention can effectively solve the problems of air output reduction and energy efficiency reduction caused by mutual influence of air outlets of adjacent fans in the air conditioning unit in the prior art.
Description
Technical field
The present invention relates to refrigeration technology fields, in particular to a kind of air-conditioner set of anti-outlet air interference.
Background technique
Currently, there is high requirement for efficiency, noise, volume etc. as air-conditioner set uses more and more widely.
In the prior art, in order to meet above-mentioned requirements, many air-conditioner sets are (for example, straight-expansion type air conditioner unit, water-cooled packaged air-conditioner, air-cooled
Cabinet-type air conditioner, roof Top Air-conditioning Unit etc.) in such a way that multiple blowers are set.
However, multiple blowers are uniformly distributed, the gap between adjacent blower is smaller, blower along the outlet air of impeller direction,
Adjacent blower outlet air can influence each other, so that air output be caused to reduce, efficiency is reduced.
Summary of the invention
A kind of air-conditioner set of anti-outlet air interference is provided in the embodiment of the present invention, in the air-conditioner set to solve the prior art
Adjacent blower outlet air can influence each other, thus the problem of causing air output reduction, efficiency to reduce.
To achieve the above object, the present invention provides a kind of air-conditioner sets of anti-outlet air interference, including shell and setting
In the intracorporal multiple blowers of shell, multiple blowers be disposed adjacent and the air side of multiple blowers towards identical, air-conditioner set also wraps
Include multiple mutually independent exhaust air flues, multiple exhaust air flues are arranged in a one-to-one correspondence with multiple blowers, each exhaust air flue with it is corresponding
Blower air side connection.
Further, blower includes centrifugal blower.
Further, on the wind path wall of exhaust air flue have arc diversion division, arc diversion division at least partly close to wind
Machine setting.
Further, the longitudinal section of exhaust air flue is rounded.
Further, the center line of exhaust air flue is overlapped with the center line of blower.
Further, exhaust air flue has far from the end of blower extends out tapering, extends out the internal diameter in tapering along far from blower
Direction be gradually increased.
Further, the air-conditioner set of anti-outlet air interference further includes multiple wind valve devices, multiple wind valve devices and it is multiple go out
Wind air duct and multiple blowers are arranged in a one-to-one correspondence, and each wind valve device can selectively be beaten according to the rotary state of corresponding blower
On or off is closed, and when blower normal rotation, wind valve device is opened, and when blower stops operating, wind valve device is closed to close pair
The exhaust air flue answered.
Further, wind valve device includes: baffle, is rotatably arranged in exhaust air flue, the shape and outlet air of baffle
The shape of the longitudinal section in air duct is identical, baffle have be overlapped with the center line of exhaust air flue or the open position of angle at an acute angle with
And the closed position with the central axis of exhaust air flue；Detect actuator, detection actuator be able to detect blower electric current or
Air quantity drives flapper to open position or closed position to judge the rotary state of blower.
Further, wind valve device further includes shaft, and shaft is connect with detection actuator driven, and baffle, which is fixed at, to be turned
On axis.
Further, air-conditioner set is straight-expansion type air conditioner unit.
It applies the technical scheme of the present invention, multiple exhaust air flues are mutually indepedent, and multiple exhaust air flues and multiple blowers
It is arranged in a one-to-one correspondence, each exhaust air flue is connected to the air side of corresponding blower.Above structure is arranged independent to each blower
The outlet air air-flow of exhaust air flue, blower is flowed along exhaust air flue, and air-flow is avoided to spread around, is gone out to eliminate adjacent blower
Wind interferes with each other, and guarantees the independence of each blower outlet air, and then ensure that air output and efficiency.
Detailed description of the invention
Fig. 1 is that the overall structure diagram of the air-conditioner set of the anti-outlet air interference of the embodiment of the present invention (only shows a wind
Pipe and a wind valve device)；And
Fig. 2 is the schematic diagram of internal structure (only showing an air hose and a wind valve device) of the air-conditioner set of Fig. 1.
Description of symbols:
10, shell；11, air outlet；20, blower；30, exhaust air flue；40, tapering is extended out；51, baffle；52, detection executes
Device；53, shaft；60, air hose；70, evaporator；80, filter.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
As depicted in figs. 1 and 2, the air-conditioner set of the anti-outlet air interference of the present embodiment is straight-expansion type air conditioner unit.Above-mentioned sky
Adjusting unit includes shell 10 and the blower being successively set in shell 10 20, evaporator 70, filter 80.Blower 20 is more
A, multiple blowers 20 are disposed adjacent and are uniformly distributed, and in order not to keep air-conditioner set volume excessive, need to set between multiple blowers 20
Set it is relatively close.There is air outlet 11 on shell 10, the air side of multiple blowers 20 towards identical and towards air outlet 11, this
Sample can more intensively outlet air.Air-conditioner set further includes multiple mutually independent exhaust air flues 30.Multiple exhaust air flues 30 with
Multiple blowers 20 are arranged in a one-to-one correspondence, and each exhaust air flue 30 is connected to the air side of corresponding blower 20.
Using the air-conditioner set of the present embodiment, multiple exhaust air flues 30 are mutually indepedent, and multiple exhaust air flues 30 and more
A blower 20 is arranged in a one-to-one correspondence, and each exhaust air flue 30 is connected to the air side of corresponding blower 20.Above structure gives each wind
Independent exhaust air flue 30 is arranged in machine 20, and the outlet air air-flow of blower 20 is flowed along exhaust air flue 30, and air-flow is avoided to expand around
It dissipates, to eliminate interfering with each other for adjacent 20 outlet air of blower, guarantees the independence of each 20 outlet air of blower, and then ensure that air output
And efficiency.
It should be noted that the air-conditioner set of the present embodiment is straight-expansion type air conditioner unit, but the type of air-conditioner set is not
It is limited to this, in other embodiments not shown in the figure, air-conditioner set can also be the other kinds of multiple blowers of setting
Air-conditioner set, for example, can be water-cooled packaged air-conditioner, air-cooled cabinet-type air conditioner, roof Top Air-conditioning Unit etc..
As depicted in figs. 1 and 2, in the air-conditioner set of the present embodiment, the particular number of blower 20 is six, six blowers
20 arrange at matrix and are fixed on the mounting plate in shell 10.In the present embodiment, air-conditioner set further includes six air hoses 60,
One end of each air hose 60 is fixed on above-mentioned mounting plate, and the other end of each air hose 60 extends towards air outlet 11.60 sets of each air hose
It is located at the periphery of each blower 20, inner space forms exhaust air flue 30.Air hose 60 is no more than shell close to the end of air outlet 11
The air outlet 11 of body 10, that is to say, that the end of air hose 60 can have certain interval between air outlet 11, can also be straight
Connect the inside for being against air outlet 11.Above structure can be more easier to assemble while guaranteeing 30 wind-guiding length of exhaust air flue
Arrangement.In addition, the outer diameter size of each air hose 60 in design, is needed in view of adjacent air hose 60, cannot with it is adjacent
Air hose 60 generates interference.The material of air hose 60 can be metal, be also possible to plastics, with no restrictions.
It should be noted that realizing the setting of exhaust air flue 30 in this embodiment by installation air hose 60, in this way
Structure is simpler and is easily installed arrangement.Certainly, in other embodiments not shown in the figure, there can be other outlet air
The generation type in air duct.For example, the shell of blower air side is solid construction, inside open up out and match with blower quantity
Multiple exhaust air flues.In the present embodiment, be respectively provided with an air hose 60 on each blower 20, certainly, it is not shown in the figure its
In his embodiment, air hose can also be only set on part fan, the blower of other not set air hoses is spaced from each other, in this way
Also exhaust air flue can be surrounded by air hose outer wall.In addition, the quantity of blower 20 is not limited to six, in other embodiments,
The quantity of blower, which can according to need, to be selected.
As depicted in figs. 1 and 2, in the air-conditioner set of the present embodiment, blower 20 includes centrifugal blower, exhaust air flue 30
Longitudinal section is rounded.In the present embodiment, air hose 60 is round tube.The outlet air air-flow of centrifugal blower is blown out along impeller direction, is edge
It is right handed, it can turn along arc wind path wall when the arc wind path wall of outlet air air flow contacts to exhaust air flue 30
To, that is to say, that the arc wind path wall of exhaust air flue 30 plays the role of water conservancy diversion to outlet air air-flow, turns it by clockwise direction
To along exhaust air flue 30, towards the direction of air outlet 11, smooth transition is turned to, and wind loss is smaller, the noise of generation
Also smaller.In addition, exhaust air flue 30 is arranged to cylindrical shape, arc wind path wall can be extended in this way, diversion effect is more preferable.
It should be noted that the specific structure of exhaust air flue 30 is without being limited thereto.In other embodiments not shown in the figure
In, arc diversion division can be only arranged in exhaust air flue on wind path wall, and being at least partly arranged close to blower for arc diversion division is leaned on
The arc diversion division of nearly blower setting still can carry out water conservancy diversion commutation to blower outlet air, and can reduce the loss of air quantity；
Alternatively, the longitudinal section of exhaust air flue can be the other shapes such as ellipse, rectangle, but wind loss can be increased.In addition, wind
Machine 20 is not limited to centrifugal blower, and in other embodiments, blower can be other kinds of blower.For example, blower is through-flow
Blower, at this point, the setting position of arc diversion division needs to be arranged according to the air-out direction of cross flow fan.
As shown in Fig. 2, in the air-conditioner set of the present embodiment, the center line of exhaust air flue 30 and the center line weight of blower 20
It closes, can guarantee the uniformity of wind-guiding in this way, keep 30 outlet air of exhaust air flue more uniform, and wind loss is small, structure is also more
Add easy mounting arrangements.In the present embodiment, exhaust air flue 30 has far from the end of blower 20 extends out tapering 40, extends out tapering
40 internal diameter is gradually increased along the direction far from blower 20.That is, air hose 60 has outside above-mentioned far from the end of blower 20
Reamer portion 40, it is in the shape of a trumpet to extend out tapering 40, easily facilitates air-flow smooth transition in this way.
Multiple blowers of existing air-conditioner set are to open to stop together together, and all blowers are followed by negative pressuren zone, once some blower
Because failure stalls, the outlet air of other blowers will cause the self-loopa of air-flow from recharge from this blower, seriously affect going out for complete machine
Air quantity, to influence efficiency.
In the air-conditioner set of the present embodiment, air-conditioner set further includes multiple wind valve devices.Multiple wind valve devices with it is multiple
Exhaust air flue 30 and multiple blowers 20 are arranged in a one-to-one correspondence.Each wind valve device can be selected according to the rotary state of corresponding blower 20
Open or close to selecting property.When 20 normal rotation of blower, wind valve device is opened.When blower 20 stops operating, wind valve device
It closes to close corresponding exhaust air flue 30, single blower 20 does not influence other blowers 20, prevents air-flow recharge, causes air-flow
Self-loopa guarantees the air output of complete machine.
It should be noted that in the present embodiment, wind valve device is six.Certainly, in other embodiments, air-valve fills
The quantity set is without being limited thereto, needs to be selected according to the quantity of exhaust air flue, the quantity of exhaust air flue and the number of wind valve device
Amount will be consistent.
As depicted in figs. 1 and 2, in the air-conditioner set of the present embodiment, wind valve device includes baffle 51 and detection actuator
52.Wherein, baffle 51 is rotatably arranged in exhaust air flue 30.The shape of the longitudinal section of the shape and exhaust air flue 30 of baffle 51
Shape is identical, i.e., baffle 51 is circle.Detection actuator 52 is arranged on the outer wall at the port of air hose 60, detects 52 energy of actuator
The electric current or air quantity of enough direct detection blower fans 20, according to the rotary state of how much judgement blowers 20 of electric current or air quantity, thus
Driving baffle 51 turns to open position or closed position.Wherein, above-mentioned closed position refers to baffle 51 and exhaust air flue 30
The position of central axis prevent the blowout and sucking of air-flow at this point, baffle 51 completely encloses exhaust air flue 30.It is above-mentioned to beat
Open position refers to that baffle 51 is overlapped or the position of angle at an acute angle with the center line of exhaust air flue 30, at this point, baffle 51 with go out
There is gap between the wind path wall in wind air duct 30, can cause air flow through.It should be noted that when baffle 51 and exhaust air flue 30
Center line when being overlapped, gap between baffle 51 and the wind path wall of exhaust air flue 30 is maximum, and baffle 51 blocks the area of air-flow
Minimum can farthest guarantee the unimpeded of outlet air at this time.
As depicted in figs. 1 and 2, in the air-conditioner set of the present embodiment, wind valve device further includes shaft 53.Shaft 53 and inspection
It surveys actuator 52 to be drivingly connected by shaft coupling, baffle 51 is fixed by welding in shaft 53, and can be rotated with shaft 53.
In the present embodiment, detection actuator 52 is electric air valve actuator, and electric air valve actuator is maturing appts in the market, energy
The electric current or air quantity of enough detection blower fans 20 are simultaneously converted into electric signal, drive baffle 51 to rotate according to electric signal.Specifically, when electronic
When fan valve executor detects that the electric current of blower 20 or air quantity are reduced, it is judged as that blower 20 stops operating, electric air valve actuator
It drives shaft 53 to rotate by shaft coupling, so that baffle 51 be driven to turn to closed position, to close exhaust air flue 30, prevents gas
The blowout or entrance of stream.When electric air valve actuator detects that the electric current of blower 20 or air quantity are normal, it is judged as that blower 20 is normal
Rotation, electric air valve actuator drives shaft 53 to rotate by shaft coupling, so that baffle 51 be driven to turn to open position, guarantees
Outlet air it is unimpeded.Above structure is simple to operation, the switch of baffle 51 is only controlled by 20 start and stop of detection blower fan, without relying upon patrolling
It collects and controls blower 20 one by one with program.
It should be noted that Fig. 1 and Fig. 2 only show an air hose and wind valve device (baffle 51, detection actuator 52
And shaft 53), it is for the ease of observation in this way, the air-conditioner set of the present embodiment is really provided with six air hoses and six air-valves
Device.
In addition, exhaust air flue extends to complete machine hull outside in other embodiments not shown in the figure, conveying
To not chummery, the start and stop of different blowers are controlled one by one by setting program, so that it may blow to not chummery, not do respectively mutually
It disturbs.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
It certainly, is the preferred embodiment of the present invention above.It should be pointed out that for those skilled in the art
For, without departing from the basic principles of the invention, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of air-conditioner set, including shell (10) and the multiple blowers (20) being arranged in the shell (10), feature
Be, multiple blowers (20) be disposed adjacent and the air side of multiple blowers (20) towards identical, the air conditioner
Group further includes multiple mutually independent exhaust air flues (30), and multiple exhaust air flues (30) and multiple blowers (20) are one by one
It is correspondingly arranged, each exhaust air flue (30) is connected to the air side of the corresponding blower (20).
2. air-conditioner set according to claim 1, which is characterized in that the blower (20) includes centrifugal blower.
3. air-conditioner set according to claim 1 or 2, which is characterized in that have on the wind path wall of the exhaust air flue (30)
There is arc diversion division, the arc diversion division is at least partly arranged close to the blower (20).
4. air-conditioner set according to claim 2, which is characterized in that the longitudinal section of the exhaust air flue (30) is rounded.
5. air-conditioner set according to claim 4, which is characterized in that the center line and the wind of the exhaust air flue (30)
The center line of machine (20) is overlapped.
6. air-conditioner set according to claim 1 or 2, which is characterized in that the exhaust air flue (30) is far from the blower
(20) end, which has, to be extended out tapering (40), and the direction of the internal diameter edge far from the blower (20) for extending out tapering (40) is gradually
Increase.
7. air-conditioner set according to claim 1, which is characterized in that the air-conditioner set further includes multiple wind valve devices,
Multiple wind valve devices are arranged in a one-to-one correspondence with multiple exhaust air flues (30) and multiple blowers (20), each wind
Valve gear can be selectively opened or closed according to the rotary state of the corresponding blower (20), when the blower (20) just
Often when rotation, the wind valve device is opened, and when the blower (20) stops operating, the wind valve device is closed to close correspondence
The exhaust air flue (30).
8. air-conditioner set according to claim 7, which is characterized in that the wind valve device includes:
Baffle (51) is rotatably arranged in the exhaust air flue (30), the shape of the baffle (51) and the outlet air wind
The shape of the longitudinal section in road (30) is identical, and the baffle (51), which has, to be overlapped or in sharp with the center line of the exhaust air flue (30)
The open position of angle angle and closed position with the central axis of the exhaust air flue (30)；
It detects actuator (52), the electric current or air quantity that detection actuator (52) is able to detect the blower (20) are to judge
The rotary state of blower (20) is stated, and the baffle (51) is driven to turn to the open position or the closed position.
9. air-conditioner set according to claim 8, which is characterized in that the wind valve device further includes shaft (53), described
Shaft (53) and the detection actuator (52) are drivingly connected, and the baffle (51) is fixed on the shaft (53).
10. air-conditioner set according to claim 1, which is characterized in that the air-conditioner set is straight-expansion type air conditioner unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040969.4A CN109631165A (en) | 2019-01-16 | 2019-01-16 | Air conditioning unit capable of preventing air outlet interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040969.4A CN109631165A (en) | 2019-01-16 | 2019-01-16 | Air conditioning unit capable of preventing air outlet interference |
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| Publication Number | Publication Date |
|---|---|
| CN109631165A true CN109631165A (en) | 2019-04-16 |
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ID=66062031
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910040969.4A Pending CN109631165A (en) | 2019-01-16 | 2019-01-16 | Air conditioning unit capable of preventing air outlet interference |
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| CN106225179A (en) * | 2016-09-09 | 2016-12-14 | 广东申菱环境系统股份有限公司 | A kind of wall hanging jet flow air-conditioning group and control method thereof |
| CN108266797A (en) * | 2018-01-15 | 2018-07-10 | 海信（山东）空调有限公司 | A kind of double air duct air conditioner indoor unit |
| CN209605280U (en) * | 2019-01-16 | 2019-11-08 | 珠海格力电器股份有限公司 | Air conditioning unit capable of preventing air outlet interference |
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