CN104061668B - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
- Publication number
- CN104061668B CN104061668B CN201410270605.2A CN201410270605A CN104061668B CN 104061668 B CN104061668 B CN 104061668B CN 201410270605 A CN201410270605 A CN 201410270605A CN 104061668 B CN104061668 B CN 104061668B
- Authority
- CN
- China
- Prior art keywords
- angle
- air conditioner
- air
- tubular wine
- top cover
- 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.)
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Links
- 241000237858 Gastropoda Species 0.000 claims description 20
- 238000009792 diffusion process Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000011800 void material Substances 0.000 description 3
- 238000005452 bending Methods 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
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, particularly relate to a kind of indoor apparatus of air conditioner.
Background technology
Along with the raising of people's living standard, the finishing in room is the most increasingly focused on by people, due to concealed type
The disguise of room air conditioner unit, concealed type room air conditioner unit often uses local furred ceiling mode, to save
The ceiling void；Air-flow endless form is returned down in the most air conditioning unit employing side, air-flow can be relatively easy to
Reach the middle and lower part in room.But, existing concealed type room air conditioner unit improve air quantity time noise problem just
Ratio is more prominent, it is impossible to while raising air quantity further, control noise is within the scope of reasonably.
Summary of the invention
In view of the present situation of prior art, it is an object of the invention to provide a kind of indoor apparatus of air conditioner, reduce sky
Adjust the noise of indoor set, improve air-out efficiency.For achieving the above object, technical scheme is as follows:
A kind of indoor apparatus of air conditioner, including housing, and is arranged on heat exchanger and the through-flow wind of described enclosure interior
Machine, described cross flow fan includes the cooperate tubular wine wheel arranged and spiral case；
Described spiral case includes top cover and snail tongue, forms described cross flow fan between described top cover and described snail tongue
Diffusion portion, described diffusion portion downward and forms air outlet in the downside of described housing；
On the trailing flank of described housing and/or upper side, there is return air inlet；
Formed by the molded line two-end-point of described top cover and the circle center line connecting of described tubular wine wheel, the angle of included angle X is
185 °～225 °.
Wherein in an embodiment, the molded line two-end-point of described top cover and the circle center line connecting of described tubular wine wheel
The angle of formed included angle X is 190 °～220 °.
Minimum clearance δ 1 wherein in an embodiment, between edge and the described snail tongue of described tubular wine wheel
For 7mm～9mm, minimum clearance δ 2 between edge and the described top cover of described tubular wine wheel be 2mm～
14mm。
Wherein in an embodiment, the inner side edge of the end towards tubular wine wheel of described snail tongue and outer side edges
Angle between edge and the line in the described tubular wine wheel center of circle is Ψ, wherein, and 21 °≤Ψ≤43 °.
Wherein in an embodiment, the angle between described snail tongue and described top cover opens to air side, shape
Become described diffusion portion includes pressure angle γ, wherein, 11 °≤γ≤39 °.
Wherein in an embodiment, described heat exchanger is two folding heat exchangers, the first folding of described heat exchanger and
Angle theta 1 between the second discharging the retained water of described heat exchanger is 36 °～149 °.
Wherein in an embodiment, described heat exchanger is the heat exchanger of more than three foldings.
Wherein in an embodiment, described top cover is from closest approach and the described tubular wine wheel of described tubular wine wheel
Line and the horizontal line angle ω in the center of circle be 41 °～119 °.
Wherein in an embodiment, described on the center of circle of described tubular wine wheel to the downside of described housing
Air outlet vertically distance L is 65mm～175mm.
Wherein in an embodiment, the air inlet angle α of described cross flow fan is 121 °～249 °, described
The angle beta of giving vent to anger of cross flow fan is 111 °～239 °, wherein, alpha+beta=360 °.
The invention has the beneficial effects as follows:
The indoor apparatus of air conditioner of the present invention, by being arranged on downside by air outlet, return air inlet is arranged on rear side
On face and/or downside, it is achieved room local furred ceiling, save the substantial amounts of room ceiling void, can realize again by
Wind sends to the middle and lower part (i.e. the zone of action of people) in room, by the optimization to top cover, makes the molded line two of top cover
Formed by end points and tubular wine wheel circle center line connecting, the angle of angle is 185 °～225 °, and this kind of structure reduces
The noise of indoor apparatus of air conditioner, improves air-out efficiency and the comfortableness 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 the cross-sectional schematic along tubular wine wheel radial direction of the indoor apparatus of air conditioner shown in Fig. 1；
Fig. 3 is Ψ, θ 1 position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2；
Fig. 4 is the δ 1 of indoor apparatus of air conditioner shown in Fig. 2, δ 2, α, β position relationship schematic diagram；
Fig. 5 is ω, γ, L position relationship schematic diagram of indoor apparatus of air conditioner shown in Fig. 2；
Fig. 6 is the circulation of air flow schematic diagram that next-out is returned in the side of indoor apparatus of air conditioner shown in Fig. 1.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example the indoor apparatus of air conditioner of the present invention is further elaborated.Should be appreciated that tool described herein
Body embodiment is only used 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 includes housing 1, and is arranged on shell
Heat exchanger 3 within body 1 and cross flow fan 2, the bottom of heat exchanger 3 arranges drip tray 4, cross flow fan 2
The tubular wine wheel 22 and spiral case arranged including cooperating, described spiral case includes top cover 21 and snail tongue 23, top
Forming the diffusion portion of cross flow fan 2 between lid 21 and snail tongue 23, described diffusion portion is downward and at housing 1
Downside formed air outlet；On the trailing flank of housing 1 and/or upper side, there is return air inlet.
Included angle X (top cover molded line formed by the molded line two-end-point of top cover 21 and the circle center line connecting of tubular wine wheel 22
Corresponding central angle) angle be 185 °～225 °, shown in Fig. 2, λ preferably 190 °～220 °.
The inner side edge of the end towards tubular wine wheel 22 of snail tongue 23 and outer side edges along and tubular wine wheel 22 center of circle
Line between angle be Ψ, as it is shown on figure 3, wherein, 21 °≤Ψ≤43 °, Ψ preferably 25 ° or
35°。
Angle between snail tongue 23 and top cover 21 opens (for opening downwards in Fig. 5) to air side, forms institute
That states diffusion portion includes pressure angle γ, wherein, 11 °≤γ≤39 °, in γ preferably 24 °, 25 ° and 26 °
Any one.
As a kind of embodiment, the top cover 21 closest approach from tubular wine wheel 22 and the circle of tubular wine wheel 22
The line of the heart and horizontal line angle ω are 41 °～119 °, as it is shown in figure 5, ω preferably 65 °～95 °,
ω is optimal when 85 °.
As a kind of embodiment, as shown in Figure 4, the air inlet angle α of cross flow fan 2 be 121 °～
249 °, the angle beta of giving vent to anger of cross flow fan 2 is 111 °～239 °, wherein, alpha+beta=360 °.Through-flow
The air inlet angle of blower fan 2 is on top cover 21 the beeline point with tubular wine wheel 22 center of circle to tubular wine wheel
The line in 22 centers of circle and the beeline point in distance tubular wine wheel 22 center of circle on snail tongue 23 are to tubular wine wheel 22 circle
The line of the heart is at the angle of cross flow fan air inlet side；The efflux angles of cross flow fan 2 is: with through-flow wind on top cover
The beeline point in the center of circle of wheel 22 is to tubular wine wheel on circle center line connecting and the snail tongue 23 of tubular wine wheel 22
Short distance point is given vent to anger to the circle center line connecting of tubular wine wheel at cross flow fan the angle of side.
Minimum clearance δ 1 between edge and the snail tongue 23 of tubular wine wheel 22 is 7mm～9mm, preferably 8mm.
Minimum clearance δ 2 between edge and the top cover 21 of tubular wine wheel 22 is 2mm～14mm, preferably 7mm.
As a kind of embodiment, as in figure 2 it is shown, heat exchanger 3 is two folding heat exchangers, heat exchanger 3
Angle theta 1 between the second discharging the retained water of the first folding and heat exchanger 3 is 36 °～149 °, θ 1 preferably 50 °.Change
First folding of hot device 3 is just the first heat exchanging part 3a, and the second folding of heat exchanger 3 is the second heat exchanging part 3b, first
Heat exchanging part 31 and the second heat exchanging part 3b are interconnected to form heat exchanger 3, the first heat exchanging part 3a and the second heat exchange
Angle between portion 3b is just for θ 1.Certainly, heat exchangers more than heat exchanger 3 alternatively three foldings, adjacent two
Angle theta 2 between discharging the retained water is 15 °～150 °.The circulation of air flow schematic diagram of next-out is returned in the side of indoor apparatus of air conditioner
As shown in Figure 6, the direction of arrow in figure represents wind direction.
As a kind of embodiment, as it is shown in figure 5, the center of circle of tubular wine wheel 22 is to the downside of housing 1
On described air outlet vertically distance L be 65mm～175mm, any one in preferred 115mm and 125mm of L.
Air-conditioner using a specified refrigerating capacity as 3.5kw, as testing machine, selects the straight of tubular wine wheel 22
Footpath is 108mm, and the central angle Ψ corresponding to snail tongue 23 is 30 °, and diffusion angle γ is 16 °, tubular wine wheel
Minimum clearance δ 1=6mm between edge and the snail tongue 23 of 22, the edge of tubular wine wheel 22 and top cover 21 it
Between minimum clearance δ 2=5mm, use two-fold heat exchanger 3, heat exchanger 3 as vaporizer, two folding vaporizers
Total heat exchange U pipe number is 16 heat exchange U pipes, and the angle between two discharging the retained water of heat exchanger is 48 °, each folding all with
Horizontal plane is 24 ° of angles, and unit sectional dimension is 330mm*195mm (long * is high), by adjusting snail tongue 23
Corresponding central angle λ obtains following experimental data:
The different central angle corresponding to spiral case of table one, the most high-grade air quantity of unit and noise data
As can be seen from Table I, the central angle λ corresponding to the spiral case of unit has weight to the air-out of cross flow fan
The impact wanted, spiral case guides the change of air-flow, and the bending length of spiral case determines air-flow angle changing, steams
Sending out device side top cover molded line guides air-flow to enter wind field, and outlet side top cover molded line is guided out wind direction, owing to using
Next-out air conditioning air flow form is returned in side, in order to obtain a preferable air quantity and noise result, top cover molded line
Bending length is certain, and according to experimental data, when λ span is 185～225 degree, unit can obtain
Obtain a higher air quantity noise ratio, and do not have the phenomenon that air-out is unstable.λ span be 185～
It it is optimum range when 225 degree.
The indoor apparatus of air conditioner of above-described embodiment, by being arranged on downside by air outlet, return air inlet is arranged on
On trailing flank and/or downside, it is achieved the furred ceiling of local, room, save the substantial amounts of room ceiling void, again can be real
Now wind is sent to the middle and lower part (i.e. the zone of action of people) in room, by the optimization to top cover, makes the type of top cover
Formed by line two-end-point and tubular wine wheel circle center line connecting, the angle of angle is 185 °～225 °, this kind of structure fall
The low noise of indoor apparatus of air conditioner, improves air-out efficiency and the comfortableness heated, thus improves room
Comfortableness.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. an indoor apparatus of air conditioner, including housing, and is arranged on heat exchanger and the through-flow of described enclosure interior
Blower fan, it is characterised in that:
Described cross flow fan includes the cooperate tubular wine wheel arranged and spiral case；
Described spiral case includes top cover and snail tongue, forms described cross flow fan between described top cover and described snail tongue
Diffusion portion, described diffusion portion downward and forms air outlet in the downside of described housing；
On the trailing flank of described housing and/or upper side, there is return air inlet；
Formed by the molded line two-end-point of described top cover and the circle center line connecting of described tubular wine wheel, the angle of included angle X is
185 °～225 °.
Indoor apparatus of air conditioner the most according to claim 1, it is characterised in that:
Formed by the molded line two-end-point of described top cover and the circle center line connecting of described tubular wine wheel, the angle of included angle X is
190 °～220 °.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
Minimum clearance δ 1 between edge and the described snail tongue of described tubular wine wheel is 7mm～9mm, described in pass through
Minimum clearance δ 2 between edge and the described top cover of stream wind wheel is 2mm～14mm.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
The inner side edge of the end towards tubular wine wheel of described snail tongue and outer side edges along and the described tubular wine wheel center of circle
Line between angle be Ψ, wherein, 21 °≤Ψ≤43 °.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
Angle between described snail tongue and described top cover opens to air side, and form described diffusion portion includes pressure angle
γ, wherein, 11 °≤γ≤39 °.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
Described heat exchanger is two folding heat exchangers, the first folding of described heat exchanger and the second discharging the retained water of described heat exchanger
Between angle theta 1 be 36 °～149 °.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
Described heat exchanger is the heat exchanger of more than three foldings.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
Described top cover is from the closest approach of described tubular wine wheel and the line in the center of circle of described tubular wine wheel and horizontal line
Angle ω is 41 °～119 °.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
The center of circle of described tubular wine wheel to described air outlet vertically distance L on the downside of described housing is
65mm～175mm.
Indoor apparatus of air conditioner the most according to claim 1 and 2, it is characterised in that:
The air inlet angle α of described cross flow fan is 121 °～249 °, the angle beta of giving vent to anger of described cross flow fan
It is 111 °～239 °, wherein, 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 CN104061668A (en) | 2014-09-24 |
| CN104061668B true 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) |
Families Citing this family (6)
| 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 |
| 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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007040544A (en) * | 2005-07-29 | 2007-02-15 | Fujitsu General Ltd | Air conditioner |
| JP4799170B2 (en) * | 2005-12-22 | 2011-10-26 | シャープ株式会社 | Air conditioner indoor unit |
| JP2008070110A (en) * | 2007-10-19 | 2008-03-27 | Mitsubishi Electric Corp | Air conditioner |
| CN102900676B (en) * | 2011-07-26 | 2015-08-12 | 珠海格力电器股份有限公司 | Cross-flow fan |
| CN103486669B (en) * | 2012-06-13 | 2016-03-23 | 珠海格力电器股份有限公司 | Indoor machine |
| CN103851694B (en) * | 2012-11-28 | 2016-12-21 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
| 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 |
| CN103851693B (en) * | 2012-11-28 | 2017-04-12 | 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 |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| CN104061668A (en) | 2014-09-24 |
| WO2015192493A1 (en) | 2015-12-23 |
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