CN104566626A - Duct type air conditioner - Google Patents
Duct type air conditioner Download PDFInfo
- Publication number
- CN104566626A CN104566626A CN201310477485.9A CN201310477485A CN104566626A CN 104566626 A CN104566626 A CN 104566626A CN 201310477485 A CN201310477485 A CN 201310477485A CN 104566626 A CN104566626 A CN 104566626A
- Authority
- CN
- China
- Prior art keywords
- air
- air conditioner
- cooled ducted
- drip tray
- spiral case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
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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
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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
- 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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides a duct type air conditioner. The duct type air conditioner comprises a housing, and a volute (20) arranged inside the housing, wherein the housing comprises a top cap (10), an air return component (40), and a water pan (30), wherein an air duct (70) is encircled by the top cap (10), the volute (20), the air return component (40) and the water pan (30) which are connected; the top cap (10), the water pan (30), the air return component (40) are all integrally molded in an injection manner. The housing and the volute, which are integrally molded in the injection manner, are light in weight; the air duct, encircled by the top cap, the volute and the water pan, is low in molded surface deformation, and smooth in flow field, and can effectively avoid turbulence and reduce noise.
Description
Technical field
The present invention relates to filed of air conditioning, in particular to a kind of air-cooled ducted air conditioner.
Background technology
The air-cooled ducted air conditioner of existing employing centrifugation blade, general employing panel beating housing, need in panel beating housing separately air channel to be installed, due to the restriction of the processing technology of sheet metal component, in the splicing of air channel, panel beating housing parts junction easily produces profile sudden change, cause air channel not smooth, and then cause in process fluid flow and flow out uneven, in air channel, easily form eddy current, cause air-supply poor effect, and sheet metal component easily resonates generation noise.
Summary of the invention
The present invention aims to provide a kind of air-cooled ducted air conditioner, poor with the air channel fluency of the air-cooled ducted air conditioner housing composition solving sheet metal component in prior art, easily produces the problem of eddy current.
To achieve these goals, according to an aspect of the present invention, provide a kind of air-cooled ducted air conditioner, air-cooled ducted air conditioner comprises housing and is arranged on the spiral case in housing, housing comprises top cover, return air parts and drip tray, the connection of top cover, spiral case, return air parts and drip tray surrounds air channel, and top cover, drip tray and return air parts are integrated injection molding.
Further, top cover comprises roof, and spiral case comprises upper volute and lower spiral case, and upper volute is arranged on roof towards on the side in air channel, upper volute and roof integrated injection molding, and the lower first end of spiral case is connected with the first end of upper volute.
Further, be provided with at least two centrifugation blades in air-cooled ducted air conditioner, the first end of the diapire of drip tray is fixedly installed flow-guiding structure, and flow-guiding structure comprises the baffle between adjacent two centrifugation blades.
Further, diapire is provided with multiple reinforcement be set up in parallel towards the side outside air channel, and reinforcement is by the downward elongation moulding of the diapire of drip tray, and reinforcement extends along the bearing of trend in air channel.
Further, air-cooled ducted air conditioner also comprises the many foldings heat exchanger be arranged between top cover and drip tray, and many folding heat exchangers cover the whole cross section in air channel; First of the close drip tray of many foldings heat exchanger converts backing from the horizontal by the first angle, and the first backing of converting upwards extends gradually along the direction towards air outlet; Second of the close top cover of many foldings heat exchanger converts backing from the horizontal by the second angle, and second converts backing along the direction towards air outlet gradually to downward-extension.
Further, the angle of the first angle is 25 degree to 35 degree, and the angle of the second angle is 25 degree to 35 degree.
Further, upper volute comprises the first arc wall, and top cover comprises the second arc wall, and the second end of the first arc wall is connected with the first end of the second arc wall, and the joining place of the first arc wall and the second arc wall seamlessly transits.
Further, the first end of the first arc wall is connected with the first end of lower spiral case, and the joining place of the first arc wall and lower spiral case seamlessly transits.
Further, the second end of lower spiral case has snail tongue, and the convex globoidal of snail tongue is towards the second arc wall, and the diapire of drip tray is arc towards the wall in air channel, and snail tongue is connected with the first end of diapire, and the joining place of snail tongue and diapire seamlessly transits.
Apply technical scheme of the present invention, air-cooled ducted air conditioner comprises housing and is arranged on the spiral case in housing, this housing comprises top cover, return air parts and drip tray, and the connection of top cover, spiral case, return air parts and drip tray surrounds air channel, and top cover, drip tray and return air parts are integrated injection molding.The case weight of integrated injection molding is light.Injection mo(u)lding goes out top cover, drip tray and return air parts, and be connected with drip tray by top cover, spiral case, return air parts and be enclosed to form air channel, eliminate in panel beating housing the air channel needing to manufacture separately, save raw material, avoid in panel beating housing the profile sudden change being connected between the air channel each several part that is assembled in air channel and panel beating housing causes and freely not causing simultaneously, and then avoid the generation of turbulent flow, thus can reduce noise and improve air output.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the sectional view of the air-cooled ducted air conditioner of embodiments of the invention;
Fig. 2 shows the stereo decomposing structure chart of the air-cooled ducted air conditioner according to Fig. 1;
Fig. 3 shows the perspective view of the drip tray according to Fig. 2;
Fig. 4 shows the combining structure schematic diagram of the air-cooled ducted air conditioner according to Fig. 1; And
Fig. 5 shows the structural representation of air-cooled ducted air conditioner and blast pipe assembled.
Description of reference numerals: 10, top cover; 11, the first arc wall; 12, the second arc wall; 20, lower spiral case; 21, snail tongue; 30, drip tray; 31, diapire; 32, flow-guiding structure; 33, reinforcement; 40, return air parts; 50, heat exchanger; 60, centrifugal blower assembly; 61, motor; 62, centrifugation blade; 70, air channel.
Detailed description of the invention
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
In conjunction with see Fig. 1 to 4, according to embodiments of the invention, air-cooled ducted air conditioner comprises housing and is arranged on the spiral case in housing, this housing comprises top cover 10, return air parts 40 and drip tray 30, the connection of top cover 10, spiral case, return air parts 40 and drip tray 30 surrounds air channel 70, and top cover 10, drip tray 30 and return air parts 40 are integrated injection molding.The case weight of integrated injection molding is light.Injection mo(u)lding goes out top cover 10, drip tray 30 and return air parts 40, and be connected with drip tray 30 by top cover 10, spiral case, return air parts 40 and be enclosed to form air channel 70, eliminate in panel beating housing the air channel needing to manufacture separately, save raw material, avoid in panel beating housing the profile sudden change being connected between the air channel each several part that is assembled in air channel and panel beating housing causes and freely not causing simultaneously, and then avoid the generation of turbulent flow, thus can reduce noise and improve air output.
In conjunction with see Fig. 2, air-cooled ducted air conditioner also comprises centrifugal blower assembly 60, and wherein centrifugal blower assembly 60 comprises centrifugation blade 62 and motor 61, and centrifugation blade 62 is arranged in spiral case correspondingly.In the present embodiment, the quantity of centrifugation blade 62 can be selected according to the demand of air output, and in the present embodiment, centrifugation blade 62 is two, and motor 61 is connected with two centrifugation blades 62 respectively and drives two centrifugation blades 62 to rotate.Return air parts 40 are fixedly connected on top cover 10, in the present embodiment, be connected between return air parts 40 with top cover 10 by buckle, return air parts 40 are provided with air inlet, for introducing air or other fluid.
Top cover 10 comprises roof and is arranged on the sidewall of roof both sides.Spiral case comprises upper volute and lower spiral case 20.Roof is provided with upper volute towards the side in air channel 70, this upper volute and roof integrated injection molding.Top cover 10, spiral case, return air parts 40 and drip tray 30 surround air channel 70.Upper volute comprises the first arc wall 11, and top cover 10 comprises the second arc wall 12, first arc wall 11 and the second arc wall 12 and arranges along the flow direction order of the fluid in air channel 70.The first end of the first arc wall 11 is connected with the first end of lower spiral case 20, and the second end of the first arc wall 11 is connected with the first end of the second arc wall 12, and both joining places seamlessly transit, and to avoid producing turbulent flow in air channel 70, and then reduces noise.
The first end of lower spiral case 20 is connected with the first end of the first arc wall 11, and both joining places seamlessly transit, and to avoid producing turbulent flow in air channel 70, and then reduces noise.Preferably, first arc wall 11 has the first arc section, the center of circle of the first arc section is positioned on the axis of the rotating shaft of centrifugal blower assembly 60, lower spiral case 20 has the second arc section, the center of circle of the second arc section is positioned on the axis of the rotating shaft of centrifugal blower assembly 60, and the center of circle of the second arc section overlaps with the center of circle of the first arc section, and the first arc section is connected with the second arc section, and both junctions seamlessly transit this structure can ensure that the intake everywhere of centrifugal blower assembly 60 is even, and then ensure the even flow field in air channel 70.
Second end of lower spiral case 20 has snail tongue 21, and the convex globoidal of snail tongue 21 is towards the second arc wall 12.Drip tray 30 comprises diapire 31 and is arranged on the side plate of diapire 31 both sides, and diapire 31 is arc towards the wall in air channel 70, and snail tongue 21 is connected with the first end of diapire 31, and snail tongue 21 seamlessly transits with the joining place of diapire 31, even to ensure air channel 70 flow field.
In conjunction with see Fig. 3 and 5, the first end of diapire 31 is connected with multiple spaced centrifugation blade 62, the first end of diapire 31 is fixedly installed flow-guiding structure 32, and flow-guiding structure 32 comprises the baffle between adjacent two centrifugation blades 62, to avoid suddenling change the turbulent situation caused due to profile.In the present embodiment, the quantity of centrifugation blade 62 is two, and flow-guiding structure 32 comprises baffle and two deflectors.Baffle is arranged between two centrifugation blades 62.One of them deflector is arranged on one of them side plate of drip tray 30, and another deflector is arranged on another side plate of drip tray 30.The edge of baffle and two deflectors overlaps with the edge of lower spiral case 20, to avoid profile to suddenly change, and then avoids turbulent flow, and reduces noise.
Preferably, two deflectors, to suddenly change the turbulent flow caused to avoid profile towards the wall of the side in air channel 70 for ease of the cambered surface of wind flow.Baffle is arranged on the gap location between two centrifugation blades 62, and the sectional area of the flow direction perpendicular to wind of baffle to reduce and two of baffle side wall surfaces are cambered surface gradually along the flow direction of wind.In other embodiments, two deflectors also can be plane towards the wall of the side in air channel 70, and two side wall surfaces of baffle are also plane.
In conjunction with see Fig. 3, preferably, the diapire 31 of drip tray 30 be provided with multiple reinforcement 33 arranged side by side towards the side outside air channel 70, this reinforcement 33 is by diapire 31 elongation moulding downwards of drip tray 30, and reinforcement 33 extends along the bearing of trend in air channel 70.Reinforcement 33 can strengthen the rigidity of diapire 31, when fluid is by air channel 70, avoids diapire 31 to tremble under the impact of fluid, and then avoids the generation of noise.
In conjunction with see Fig. 2, air-cooled ducted air conditioner also comprises the many foldings heat exchanger 50 be arranged between the second arc wall 12 and drip tray 30, many foldings heat exchanger 50 covers the whole cross section in air channel 70, to ensure that the wind of the flowing in air channel 70 all by many folding heat exchangers 50, and then can ensure maximum heat exchange efficiency.In the present embodiment, the position that diapire 31 contacts with the heat exchanger fin rolling over heat exchanger 50 more is provided with turn section, along the flow direction of the fluid in air channel 70, the internal face of the diapire 31 of the front end of turn section is gradually to downward-extension, the internal face of the diapire 31 of the rear end of turn section upwards extends gradually, turn section is provided with condensate water discharging mouth.
Preferably, first of the close diapire 31 of many foldings heat exchanger 50 converts backing from the horizontal by the first angle, the angle of this first angle is 25 degree to 35 degree, and the first backing of converting upwards extends gradually along towards the direction (also namely to the direction that air outlet is close) of air outlet; Many foldings heat exchanger 50 second convert backing from the horizontal by the second angle near the second arc wall 12, the angle of this second angle is 25 degree to 35 degree, and second converts backing along the direction (also namely to the direction that air outlet is close) towards air outlet gradually to downward-extension.First backing and second backing of converting of converting is arranged in this angular range heat exchanger fin can be avoided to disturb the flowing of wind, ensures even flow field.
In conjunction with see Fig. 4, the centrifugation blade 62 be arranged in spiral case is driven to rotate by motor 61 in centrifugal blower assembly 60, and then air is introduced from air inlet, and by centrifugation blade 62, wind is sent in air channel 70, centrifugal blower assembly 60 draft capacity is strong, can blow at a distance, so time air-cooled ducted air conditioner there is effect of better blowing.In the present embodiment, centrifugation blade 62 is also by injection mo(u)lding, and injection moulding centrifugation blade 62 gravity is light, and production cost is low.
The top cover 10 gone out by integrated injection molding, return air parts 40 and drip tray 30 can be ensured in connection procedure, joining place seamlessly transits, profile is avoided to suddenly change, top cover 10, spiral case, return air parts 40 and drip tray 30 are interconnected and are enclosed to form air channel 70, eliminate and manufacture air channel separately and the process of splicing, and then avoid due in splicing between each several part of air channel profile to suddenly change the turbulent flow caused, and then reduce the generation of noise.The upper volute of spiral case and top cover 10 integrated injection molding decrease the quantity of the part forming air channel 70, and then reduce the profile sudden change in air channel 70, further reduce flow field.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: the method changing into type by integrated through injection molding injects the housing of air-cooled ducted air conditioner, and the air channel in housing is determined to draw according to the requirement of the air-supply runner of centrifugal blower assembly and air-supply downwards.Thus can avoid in the process from return air to air-out, there is turbulent flow in the flow field in air channel, then avoids turbulent flow to affect heat exchange efficiency, avoid the generation of noise.Fixed by buckle and tapping screw between each several part being changed into the housing of type by integrated through injection molding, make the structure of product simple, can case weight be alleviated, convenient production, installation and maintenance simultaneously.
Drip tray diapire is curved wall, can either carry out water conservancy diversion to wind, and then reduces noise, and coordinates at a predetermined angle between curved wall with heat exchanger fin, improves heat exchange efficiency and ensure that effective discharge of condensed water.Drip tray diapire is provided with reinforcement to improve the intensity of drip tray towards the side outside air channel, avoid diapire to shake, and reduces noise, if at reinforcement outer cladding foam, can be incubated.
According to the distributed needs of air-out determine many folding heat exchanger folding shape structures with along separate routes, make distinguished and admirablely to coordinate with refrigerant stream reasonable layout, guarantee heat exchange is even, thus capillary shunting can be cancelled, throttle capillary tube is moved to air-conditioner outdoor unit, and then reduces noise, and improve heat exchange efficiency.According to the air channel that the diapire of drip tray and the second arc wall of top cover are formed, heat exchanger becomes 25 degree to 35 degree near the heat exchanger fin of diapire with the angle of horizontal direction, heat exchanger is also 25 degree to 35 degree near the heat exchanger fin of the second arc wall and the angle of horizontal direction, make distinguished and admirable can directly passing through between heat exchanger tube like this, decrease windage, improve heat exchange efficiency.
Centrifugation blade can overcome larger static pressure than through-flow fan blade and blow, and adopts the centrifugation blade quality of injection moulding light, coordinates integrated injection moulding housing, can overcome static pressure and ensure air output, to realize remote air-supply.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an air-cooled ducted air conditioner, described air-cooled ducted air conditioner comprises housing and is arranged on the spiral case in described housing, it is characterized in that, described housing comprises top cover (10), return air parts (40) and drip tray (30), described top cover (10), described spiral case, described return air parts (40) and described drip tray (30) connection surround air channel (70), and described top cover (10), described drip tray (30) and described return air parts (40) are integrated injection molding.
2. air-cooled ducted air conditioner according to claim 1, it is characterized in that, described top cover (10) comprises roof, described spiral case comprises upper volute and lower spiral case (20), described upper volute is arranged on described roof towards on the side in described air channel (70), described upper volute and described roof integrated injection molding, the first end of described lower spiral case (20) is connected with the first end of described upper volute.
3. air-cooled ducted air conditioner according to claim 2, it is characterized in that, at least two centrifugation blades (62) are provided with in described air-cooled ducted air conditioner, the first end of the diapire (31) of described drip tray (30) is fixedly installed flow-guiding structure (32), and described flow-guiding structure (32) comprises the baffle be positioned between adjacent two described centrifugation blades (62).
4. air-cooled ducted air conditioner according to claim 3, it is characterized in that, described diapire (31) is provided with multiple reinforcement (33) be set up in parallel towards described air channel (70) side outward, described reinforcement (33) is by diapire (31) elongation moulding downwards of described drip tray (30), and described reinforcement (33) extends along the bearing of trend of described air channel (70).
5. air-cooled ducted air conditioner according to any one of claim 1 to 4, is characterized in that,
Described air-cooled ducted air conditioner also comprises the many foldings heat exchanger (50) be arranged between described top cover (10) and described drip tray (30), rolls over the whole cross section that heat exchanger (50) covers described air channel (70) described more;
Describedly more roll over first of close the described drip tray (30) of heat exchanger (50) and convert backing from the horizontal by the first angle, and the described first backing edge of converting upwards extends gradually towards the direction of air outlet;
Roll over second of the close described top cover (10) of heat exchanger (50) described more and convert backing from the horizontal by the second angle, and described second converts backing along the direction towards described air outlet gradually to downward-extension.
6. air-cooled ducted air conditioner according to claim 5, is characterized in that, the angle of described first angle is 25 degree to 35 degree, and the angle of described second angle is 25 degree to 35 degree.
7. air-cooled ducted air conditioner according to claim 2, it is characterized in that, described upper volute comprises the first arc wall (11), described top cover (10) comprises the second arc wall (12), second end of described first arc wall (11) is connected with the first end of described second arc wall (12), and described first arc wall (11) seamlessly transits with the joining place of described second arc wall (12).
8. air-cooled ducted air conditioner according to claim 7, is characterized in that, the first end of described first arc wall (11) is connected with the first end of described lower spiral case (20), and described first arc wall (11) seamlessly transits with the joining place of described lower spiral case (20).
9. air-cooled ducted air conditioner according to claim 8, it is characterized in that, second end of described lower spiral case (20) has snail tongue (21), the convex globoidal of described snail tongue (21) is towards described second arc wall (12), the diapire (31) of described drip tray (30) is arc towards the wall in described air channel (70), described snail tongue (21) is connected with the first end of described diapire (31), and described snail tongue (21) seamlessly transits with the joining place of described diapire (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477485.9A CN104566626B (en) | 2013-10-12 | 2013-10-12 | Air-cooled ducted air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477485.9A CN104566626B (en) | 2013-10-12 | 2013-10-12 | Air-cooled ducted air conditioner |
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| Publication Number | Publication Date |
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| CN104566626A true CN104566626A (en) | 2015-04-29 |
| CN104566626B CN104566626B (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310477485.9A Active CN104566626B (en) | 2013-10-12 | 2013-10-12 | Air-cooled ducted air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990247A (en) * | 2015-06-03 | 2015-10-21 | 合肥海景包装制品有限公司 | Integrally-formed water pan for medium-static-pressure air pipe air conditioner |
| CN105180292A (en) * | 2015-10-20 | 2015-12-23 | 珠海格力电器股份有限公司 | Air conditioner device |
| CN109282360A (en) * | 2018-11-08 | 2019-01-29 | 宁波奥克斯电气股份有限公司 | A kind of air-cooled ducted air conditioner wind pushing mechanism and air pipe type air-conditioner |
| CN113280403A (en) * | 2021-05-31 | 2021-08-20 | 广东美的制冷设备有限公司 | Fan and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990247A (en) * | 2015-06-03 | 2015-10-21 | 合肥海景包装制品有限公司 | Integrally-formed water pan for medium-static-pressure air pipe air conditioner |
| CN105180292A (en) * | 2015-10-20 | 2015-12-23 | 珠海格力电器股份有限公司 | Air conditioner device |
| CN109282360A (en) * | 2018-11-08 | 2019-01-29 | 宁波奥克斯电气股份有限公司 | A kind of air-cooled ducted air conditioner wind pushing mechanism and air pipe type air-conditioner |
| CN113280403A (en) * | 2021-05-31 | 2021-08-20 | 广东美的制冷设备有限公司 | Fan and air conditioner |
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|---|---|
| CN104566626B (en) | 2018-05-15 |
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