CN104061668A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN104061668A CN104061668A CN201410270605.2A CN201410270605A CN104061668A CN 104061668 A CN104061668 A CN 104061668A CN 201410270605 A CN201410270605 A CN 201410270605A CN 104061668 A CN104061668 A CN 104061668A
- Authority
- CN
- China
- Prior art keywords
- angle
- air conditioner
- tubular wine
- wine wheel
- air
- 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
Links
- 241000237858 Gastropoda Species 0.000 claims description 20
- 238000009792 diffusion process Methods 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an indoor unit of an air conditioner, which comprises a shell, a heat exchanger and a cross-flow fan, wherein the heat exchanger and the cross-flow fan are arranged in the shell; the angle of an included angle lambda formed by connecting the two end points of the molded line of the top cover and the circle center of the cross flow wind wheel is 185-225 degrees. According to the air-conditioning indoor unit, the air outlet is arranged on the lower side surface, the air return opening is arranged on the rear side surface and/or the lower side surface, so that local ceiling of a room is realized, a large amount of ceiling space of the room is saved, air can be delivered to the middle lower part (namely a human activity area) of the room, noise of the air-conditioning indoor unit is reduced through optimization of the top cover, and air outlet efficiency and heating comfort are improved.
Description
Technical field
The present invention relates to refrigerating field, relate in particular to a kind of indoor apparatus of air conditioner.
Background technology
Along with the raising of people's living standard, people also more and more focus on the finishing in room, and due to the disguise of concealed type room air conditioner unit, concealed type room air conditioner unit often adopts local furred ceiling mode, to save the ceiling void; Air-conditioning unit adopts side to return down air-flow endless form simultaneously, and air-flow can be relatively easy to arrive the middle and lower part in room.But existing concealed type room air conditioner unit noise problem when improving air quantity is just more outstanding, cannot further improve in air quantity control noise within rational scope.
Summary of the invention
In view of the present situation of prior art, the object of the present invention is to provide a kind of indoor apparatus of air conditioner, reduced the noise of indoor apparatus of air conditioner, improved air-out efficiency.For achieving the above object, technical scheme of the present invention is as follows:
An indoor apparatus of air conditioner, comprises housing, and the heat exchanger and the cross flow fan that are arranged on described enclosure interior, and described cross flow fan comprises tubular wine wheel and the spiral case that cooperatively interacts and arrange;
Described spiral case comprises top cover and snail tongue, forms the diffusion portion of described cross flow fan between described top cover and described snail tongue, described in draw together splenium downward and form air port at the downside of described housing;
On the trailing flank of described housing and/or upper side, there is return air inlet;
The angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 185 °～225 °.
In an embodiment, the angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 190 °～220 ° therein.
In an embodiment, the minimum clearance δ 1 between the edge of described tubular wine wheel and described snail tongue is 7mm～9mm therein, and the minimum clearance δ 2 between the edge of described tubular wine wheel and described top cover is 2mm～14mm.
In an embodiment, the angle between the inner side edge of the end towards tubular wine wheel of described snail tongue and outer side edges edge and the line in the described tubular wine wheel center of circle is Ψ therein, wherein, and 21 °≤Ψ≤43 °.
In an embodiment, the angle between described snail tongue and described top cover opens to air side therein, and form drawing together of described diffusion portion and press angle γ, wherein, 11 °≤γ≤39 °.
In an embodiment, described heat exchanger is two folding heat exchangers therein, and the angle theta 1 between the second folding of the first fold of described heat exchanger and described heat exchanger is 36 °～149 °.
In an embodiment, described heat exchanger is heat exchanger more than three foldings therein.
In an embodiment, described top cover is 41 °～119 ° from line and the horizontal line angle ω in the closest approach of described tubular wine wheel and the center of circle of described tubular wine wheel therein.
In an embodiment, the center of circle of described tubular wine wheel is 65mm～175mm to the vertical distance L of described air outlet on the downside of described housing therein.
In an embodiment, the air inlet angle α of described cross flow fan is 121 °～249 ° therein, and the angle beta of giving vent to anger of described cross flow fan is 111 °～239 °, wherein, and alpha+beta=360 °.
The invention has the beneficial effects as follows:
Indoor apparatus of air conditioner of the present invention, by air outlet is arranged on downside, return air inlet is arranged on trailing flank and/or downside, realize the local furred ceiling in room, save a large amount of room ceiling voiies, can realize again the middle and lower part (being people's zone of action) of wind being sent to room, by the optimization to top cover, making the angle of the angle that the molded line two-end-point of top cover becomes with tubular wine wheel circle center line connecting is 185 °～225 °, this kind of Structure Decreasing the noise of indoor apparatus of air conditioner, the comfortableness that has improved air-out efficiency and heated.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of indoor apparatus of air conditioner one embodiment of the present invention;
Fig. 2 is that indoor apparatus of air conditioner shown in Fig. 1 is along tubular wine wheel cross-sectional schematic radially;
Fig. 3 is Ψ, the θ 1 position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2;
Fig. 4 is δ 1, δ 2, α, the β position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2;
Fig. 5 is ω, γ, the L position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2;
Fig. 6 is the airflow circulating schematic diagram that the side of indoor apparatus of air conditioner shown in Fig. 1 is returned next-out.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, indoor apparatus of air conditioner of the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only for explaining the present invention, is not intended to limit the present invention.
Referring to figs. 1 through Fig. 6, indoor apparatus of air conditioner one embodiment of the present invention comprises housing 1, and the heat exchanger 3 and the cross flow fan 2 that are arranged on housing 1 inside, the bottom of heat exchanger 3 arranges drip tray 4, cross flow fan 2 comprises tubular wine wheel 22 and the spiral case that cooperatively interacts and arrange, described spiral case comprises top cover 21 and snail tongue 23, forms the diffusion portion of cross flow fan 2 between top cover 21 and snail tongue 23, described in draw together splenium downward and form air port at the downside of housing 1; On the trailing flank of housing 1 and/or upper side, there is return air inlet.
The angle of the included angle X that the molded line two-end-point of top cover 21 becomes with the circle center line connecting of tubular wine wheel 22 (the corresponding central angle of top cover molded line) is 185 °～225 °, shown in Fig. 2, and preferably 190 °～220 ° of λ.
Angle between the inner side edge of the end towards tubular wine wheel 22 of snail tongue 23 and outer side edges edge and the line in tubular wine wheel 22 centers of circle is Ψ, as shown in Figure 3, wherein, 21 °≤Ψ≤43 °, preferably 25 ° or 35 ° of Ψ.
Angle between snail tongue 23 and top cover 21 opens (in Fig. 5 for opening) downwards to air side, form drawing together of described diffusion portion and press angle γ, and wherein, 11 °≤γ≤39 °, γ is any one in 24 °, 25 ° and 26 ° preferably.
As a kind of embodiment, top cover 21 is 41 °～119 ° from line and the horizontal line angle ω in the closest approach of tubular wine wheel 22 and the center of circle of tubular wine wheel 22, as shown in Figure 5, preferably 65 °～95 ° of ω, ω is the best in the time of 85 °.
As a kind of embodiment, as shown in Figure 4, the air inlet angle α of cross flow fan 2 is 121 °～249 °, and the angle beta of giving vent to anger of cross flow fan 2 is 111 °～239 °, wherein, and alpha+beta=360 °.The air inlet angle of cross flow fan 2 is on top cover 21 with the beeline point in tubular wine wheel 22 centers of circle and puts the line in tubular wine wheel 22 centers of circle at the angle of cross flow fan air inlet side to the beeline in distance tubular wine wheel 22 centers of circle on the line in tubular wine wheel 22 centers of circle and snail tongue 23; The efflux angles of cross flow fan 2 is: the circle center line connecting that the beeline of putting tubular wine wheel on the circle center line connecting of tubular wine wheel 22 and snail tongue 23 with the beeline in the center of circle of tubular wine wheel 22 on top cover is put tubular wine wheel is at the give vent to anger angle of side of cross flow fan.
Minimum clearance δ 1 between the edge of tubular wine wheel 22 and snail tongue 23 is 7mm～9mm, preferably 8mm.Minimum clearance δ 2 between the edge of tubular wine wheel 22 and top cover 21 is 2mm～14mm, preferably 7mm.
As a kind of embodiment, as shown in Figure 2, heat exchanger 3 is two folding heat exchangers, and the angle theta 1 between the first fold of heat exchanger 3 and the second folding of heat exchanger 3 is 36 °～149 °, preferably 50 ° of θ 1.The first fold of heat exchanger 3 is just the first 3a of heat exchange portion, and the second folding of heat exchanger 3 is the second 3b of heat exchange portion, and the angle that the first heat exchange portion 31 and the second 3b of heat exchange portion are interconnected to form between heat exchanger 3, the first 3a of heat exchange portion and the second 3b of heat exchange portion is just θ 1.Certainly, heat exchanger 3 also can be heat exchangers more than three foldings, and the angle theta 2 between adjacent two foldings is 15 °～150 °.As shown in Figure 6, the direction of arrow in figure represents wind direction to the airflow circulating schematic diagram that the side of indoor apparatus of air conditioner is returned next-out.
As a kind of embodiment, as shown in Figure 5, the center of circle of tubular wine wheel 22 is 65mm～175mm to the vertical distance L of described air outlet on the downside of housing 1, any in the preferred 115mm of L and 125mm.
The air-conditioner that a specified refrigerating capacity of usining is 3.5kw is as testing machine, the diameter of selecting tubular wine wheel 22 is 108mm, the corresponding central angle Ψ of snail tongue 23 is 30 °, diffusion angle γ is 16 °, minimum clearance δ 1=6mm between the edge of tubular wine wheel 22 and snail tongue 23, minimum clearance δ 2=5mm between the edge of tubular wine wheel 22 and top cover 21, adopt two-fold heat exchanger 3, heat exchanger 3 is as evaporimeter, the total heat exchange U pipe of two folding evaporimeters number is 16 heat exchange U pipes, angle between two foldings of heat exchanger is 48 °, each folding is all horizontal by 24 ° of angles, unit sectional dimension is 330mm*195mm (long * is high), by adjusting snail tongue 23 corresponding central angle λ, obtain following experimental data:
The corresponding central angle of the different spiral cases of table one, the most high-grade air quantity of unit and noise data
As can be seen from Table I, the corresponding central angle λ of spiral case of unit has important impact to the air-out of cross flow fan, spiral case is guiding the variation of air-flow, the bending length of spiral case has determined variations in flow angle, vaporizer side top cover molded line guiding air-flow enters wind field, outlet side top cover molded line is guided out wind direction, owing to adopting side, return next-out air conditioning air flow form, in order to obtain a good air quantity and noise result, the bending length of top cover molded line is certain, according to experimental data, λ span is 185～225 while spending, unit can obtain a higher air quantity noise ratio, and there will not be the unsettled phenomenon of air-out.λ span is 185～225 to be optimum range while spending.
The indoor apparatus of air conditioner of above-described embodiment, by air outlet is arranged on downside, return air inlet is arranged on trailing flank and/or downside, realize the local furred ceiling in room, save a large amount of room ceiling voiies, can realize again the middle and lower part (being people's zone of action) of wind being sent to room, by the optimization to top cover, making the angle of the angle that the molded line two-end-point of top cover becomes with tubular wine wheel circle center line connecting is 185 °～225 °, this kind of Structure Decreasing the noise of indoor apparatus of air conditioner, improve air-out efficiency and the comfortableness heating, thereby improved the comfortableness in room.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an indoor apparatus of air conditioner, comprises housing, and the heat exchanger and the cross flow fan that are arranged on described enclosure interior, it is characterized in that:
Described cross flow fan comprises tubular wine wheel and the spiral case that cooperatively interacts and arrange;
Described spiral case comprises top cover and snail tongue, forms the diffusion portion of described cross flow fan between described top cover and described snail tongue, described in draw together splenium downward and form air port at the downside of described housing;
On the trailing flank of described housing and/or upper side, there is return air inlet;
The angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 185 °～225 °.
2. indoor apparatus of air conditioner according to claim 1, is characterized in that:
The angle of the included angle X that the molded line two-end-point of described top cover becomes with the circle center line connecting of described tubular wine wheel is 190 °～220 °.
3. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Minimum clearance δ 1 between the edge of described tubular wine wheel and described snail tongue is 7mm～9mm, and the minimum clearance δ 2 between the edge of described tubular wine wheel and described top cover is 2mm～14mm.
4. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Angle between the inner side edge of the end towards tubular wine wheel of described snail tongue and outer side edges edge and the line in the described tubular wine wheel center of circle is Ψ, wherein, and 21 °≤Ψ≤43 °.
5. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Angle between described snail tongue and described top cover opens to air side, and form drawing together of described diffusion portion and press angle γ, wherein, 11 °≤γ≤39 °.
6. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Described heat exchanger is two folding heat exchangers, and the angle theta 1 between the second folding of the first fold of described heat exchanger and described heat exchanger is 36 °～149 °.
7. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Described heat exchanger is heat exchanger more than three foldings.
8. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
Described top cover is 41 °～119 ° from line and the horizontal line angle ω in the closest approach of described tubular wine wheel and the center of circle of described tubular wine wheel.
9. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
The center of circle of described tubular wine wheel is 65mm～175mm to the vertical distance L of described air outlet on the downside of described housing.
10. indoor apparatus of air conditioner according to claim 1 and 2, is characterized in that:
The air inlet angle α of described cross flow fan is 121 °～249 °, and the angle beta of giving vent to anger of described cross flow fan is 111 °～239 °, wherein, and alpha+beta=360 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270605.2A CN104061668B (en) | 2014-06-17 | 2014-06-17 | Indoor unit of air conditioner |
| PCT/CN2014/086386 WO2015192493A1 (en) | 2014-06-17 | 2014-09-12 | Indoor air-conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270605.2A CN104061668B (en) | 2014-06-17 | 2014-06-17 | Indoor unit of air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061668A true CN104061668A (en) | 2014-09-24 |
| CN104061668B CN104061668B (en) | 2016-11-09 |
Family
ID=51549507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270605.2A Active CN104061668B (en) | 2014-06-17 | 2014-06-17 | Indoor unit of air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104061668B (en) |
| WO (1) | WO2015192493A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222226A (en) * | 2015-08-25 | 2016-01-06 | 珠海格力电器股份有限公司 | Air conditioner |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366962A (en) * | 2017-07-27 | 2017-11-21 | 青岛海尔空调器有限总公司 | A kind of double through-flow jet air-conditioning and indoor apparatus of air conditioner |
| CN110805966B (en) * | 2018-07-18 | 2023-08-01 | 青岛海尔空调器有限总公司 | Integrated air conditioner |
| CN109237626A (en) * | 2018-10-31 | 2019-01-18 | 四川长虹空调有限公司 | Air conditioner room unit volute tongue and air conditioner room unit |
| CN109708239B (en) * | 2019-02-01 | 2024-01-05 | 广东美的暖通设备有限公司 | New fan |
| CN210769402U (en) * | 2019-08-01 | 2020-06-16 | 广东美的环境电器制造有限公司 | Wind wheel device and blowing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007040544A (en) * | 2005-07-29 | 2007-02-15 | Fujitsu General Ltd | Air conditioner |
| JP2007170308A (en) * | 2005-12-22 | 2007-07-05 | Sharp Corp | Indoor unit of air conditioner |
| CN102900676A (en) * | 2011-07-26 | 2013-01-30 | 珠海格力电器股份有限公司 | Cross-flow fan |
| CN103851695A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN103851693A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN103851694A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN204026943U (en) * | 2014-06-17 | 2014-12-17 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008070110A (en) * | 2007-10-19 | 2008-03-27 | Mitsubishi Electric Corp | Air conditioner |
| CN103486669B (en) * | 2012-06-13 | 2016-03-23 | 珠海格力电器股份有限公司 | Indoor machine |
-
2014
- 2014-06-17 CN CN201410270605.2A patent/CN104061668B/en active Active
- 2014-09-12 WO PCT/CN2014/086386 patent/WO2015192493A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007040544A (en) * | 2005-07-29 | 2007-02-15 | Fujitsu General Ltd | Air conditioner |
| JP2007170308A (en) * | 2005-12-22 | 2007-07-05 | Sharp Corp | Indoor unit of air conditioner |
| CN102900676A (en) * | 2011-07-26 | 2013-01-30 | 珠海格力电器股份有限公司 | Cross-flow fan |
| CN103851695A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN103851693A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN103851694A (en) * | 2012-11-28 | 2014-06-11 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| CN204026943U (en) * | 2014-06-17 | 2014-12-17 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222226A (en) * | 2015-08-25 | 2016-01-06 | 珠海格力电器股份有限公司 | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104061668B (en) | 2016-11-09 |
| WO2015192493A1 (en) | 2015-12-23 |
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