CN104676744B - Wall-hanging air conditioner indoor unit - Google Patents

Wall-hanging air conditioner indoor unit Download PDF

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Publication number
CN104676744B
CN104676744B CN201310618003.7A CN201310618003A CN104676744B CN 104676744 B CN104676744 B CN 104676744B CN 201310618003 A CN201310618003 A CN 201310618003A CN 104676744 B CN104676744 B CN 104676744B
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CN
China
Prior art keywords
air
housing
outlet
centrifugal fan
air outlet
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Application number
CN201310618003.7A
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Chinese (zh)
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CN104676744A (en
Inventor
梁海山
王永涛
关婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Group Corp
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Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Group Corp
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Priority to CN201310618003.7A priority Critical patent/CN104676744B/en
Publication of CN104676744A publication Critical patent/CN104676744A/en
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Publication of CN104676744B publication Critical patent/CN104676744B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

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  • 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 discloses a kind of wall-hanging air conditioner indoor unit, including housing, on the housing formed with air inlet and air outlet, fan and heat exchanger are provided with the enclosure interior, the air inlet is formed at the back side of the housing, and the air outlet is to form round wind outlet on the housing.The wall-hanging air conditioner indoor unit of the present invention solve thes problems, such as that existing indoor set air supply direction is single, blowing range is limited using rear air intake, the air supply mode of annular air.

Description

Wall-hanging air conditioner indoor unit
Technical field
The present invention relates to air-conditioning technique field, is to be related to indoor apparatus of air conditioner specifically, is to relate to more specifically A kind of and wall-hanging air conditioner indoor unit.
Background technology
Existing wall-hanging air conditioner indoor unit designs its supply air system using axial-flow fan more, and according to its air channel structure feature Design other structures part, so as to form upper air inlet, lower air-out air supply mode.In the presence of existing traditional wall-hanging air conditioner indoor unit State deficiency:On the one hand, due to this single air-supply structure of upper air inlet, lower air-out can only be used, cause its air supply direction it is single, Blowing range is limited, and air circulation ability is weak, influences the heat exchange efficiency of air-conditioning;On the other hand, because air supply direction is single, in nothing Method is avoided in the case that air-out is directly blown onto on the person, and because air-supply air quantity is strong, substantial amounts of air-out, which is blown to, can cause people on the person Body feels under the weather, and air-supply comfortableness is poor.
The content of the invention
It is an object of the invention to provide a kind of wall-hanging air conditioner indoor unit, the indoor set is using rear air intake, annular air Air supply mode, solve the problems, such as that existing indoor set air supply direction is single, blowing range is limited.
For achieving the above object, the present invention is achieved using following technical proposals:
A kind of wall-hanging air conditioner indoor unit, including housing, on the housing formed with air inlet and air outlet, described Enclosure interior is provided with fan and heat exchanger, and the air inlet is formed at the back side of the housing, and the air outlet is forms in institute State the round wind outlet on housing.
Preferably, the round wind outlet is continuous air outlet.
Preferably, the orthographic projection of the indoor set is rounded or side number be more than 4 polygon.
Indoor set as described above, further to reduce heat exchanger crushing, improving air quantity, reduction noise, the fan is Centrifugal fan, the heat exchanger are arranged between the centrifugal fan and the air inlet.
Indoor set as described above, the round wind outlet comprise at least to be formed on the housing, with the centrifugation The first annular air outlet of the corresponding opening position of the blade of fan.
Indoor set as described above, to improve wind pushing performance, in the enclosure interior formed with will be from the centrifugal fan The wind of blade blowout be oriented to the first annular air outlet and from the annular air supply wind of the first annular air outlet blowout Road.
Preferably, the annular air supply air channel includes from the outer edge of the centrifugal fan to the first annular air-out The arc wind waveguide plate of mouth extension, any point that the arc wind waveguide plate intersects with the outer edge of the centrifugal fan is as starting Point forming, towards the first annular air outlet between the tangent line of arc where the starting point and the axis of the centrifugal fan Angle X angle number be more than 45 ° and less than 90 °, other any points on the arc wind waveguide plate in addition to the starting point The angle of angle Y being formed between the axis of the tangent line of place arc and the centrifugal fan, towards the first annular air outlet The number of degrees are more than 30 ° and are less than the angle number of the angle X.
Indoor set as described above, further to expand air supply direction and increase blowing range, the round wind outlet is also Include at least one front annular air to be formed before the housing and before the first annular air outlet Mouthful.
Indoor set as described above, the exchanger base is provided with drip tray.
Indoor set as described above, to increase incoming air area, the back side side outline line of the housing is convex, side behind centre Along the camber line of gradual withdrawn forward, the air inlet is formed in the cambered surface being made up of the camber line.
Compared with prior art, the advantages and positive effects of the present invention are:
1st, wall-hanging air conditioner indoor unit of the invention is gone out by forming air inlet in back side of shell, forming annular on housing Air port, incoming air area can not only be increased by the larger space in the back side, and circumferential direction can be realized using round wind outlet On 3d air delivery, extend air supply direction, add air-out area and blowing range, improve heat exchange efficiency;Moreover, pass through Air supply direction is extended, in the case of identical air quantity, the air-supply air quantity on some air supply direction can be reduced, can not avoided out Wind reduces the air quantity for blowing to human body in the case of blowing on the person, reduce the wind-induced discomfort of human body blow-through.
2nd, by setting centrifugal fan in machine indoors, heat exchanger is arranged between centrifugal fan and air inlet, will be gone out Air port is arranged on the housing side corresponding with centrifugal fan or above, the suction of air intake, side air-out or preceding air-out after being formed Wind structure, not only air inlet is isolated with air outlet, reduce indoor set noise, moreover, air draft structure causes low speed Wind is first passed through heat exchanger and then arrived again after centrifugal fan is boosted and blown out with high speed from air outlet, can be reduced at heat exchanger Crushing, improve air-out volume, and reduce further indoor set noise.
After the embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear Chu.
Brief description of the drawings
Fig. 1 is the stereogram of wall-hanging air conditioner indoor unit one embodiment of the present invention;
Fig. 2 is the side view of Fig. 1 embodiments;
Fig. 3 is the longitudinal sectional view of Fig. 2 side views;
Fig. 4 is the front view of second embodiment of wall-hanging air conditioner indoor unit of the present invention;
Fig. 5 is the side view of Fig. 4 embodiments;
Fig. 6 is the longitudinal sectional view of Fig. 5 side views;
Fig. 7 is the stereogram of 3rd embodiment of wall-hanging air conditioner indoor unit of the present invention.
Embodiment
Technical scheme is described in further detail with reference to the accompanying drawings and detailed description.
First, a brief description is made to technical term involved in the embodiment:It is following to mention structure It is to be defined under structural member normal operating condition relative to the position of user during the above or below of part;For multiple When the arrangement position of structural member carries out front or rear description, and with the device that multiple structural members are formed under normal operating condition The definition done relative to the position of user.
One embodiment of the wall-hanging air conditioner indoor unit of the present invention shown in Fig. 1 to Fig. 3 is referred to, wherein, Fig. 1 is this The stereogram of one embodiment, Fig. 2 are its side views, and Fig. 3 is the longitudinal sectional view of Fig. 2 side views.
Anticipate as shown in Figure 1, Figure 2 and Figure 3, the wall-hanging air conditioner indoor unit of the embodiment includes the rounded shell of orthographic projection Body 11, formed with air inlet 111 on the back side of housing 11, formed with round wind outlet 112, the annular air on housing 11 Mouthfuls 112 are across the side of housing 11 and above.Air outlet grate is provided with round wind outlet 112, likewise, in air inlet Air-inlet grille is also equipped with 111.Moreover, round wind outlet 112 is continuous air outlet.
Centrifugal fan 12 and heat exchanger 13 in tandem is internally provided with housing 11.Wherein, heat exchanger 13 is arranged on Between centrifugal fan 12 and air inlet 111, fixture can be passed through(Do not marked in figure)It is fixed on housing 11.Heat exchanger 13 is flat Plate type heat exchanger, convenient processing.The bottom of heat exchanger 13 is provided with drip tray 14.Before centrifugal fan 12 is arranged on heat exchanger 13 Side, can pass through fixed plate(Do not marked in figure)It is fixed on housing 11.Round wind outlet 112 correspond to the blade of centrifugal fan 12 121 position and formed on housing 11.
Moreover, in enclosure interior formed with annular air supply air channel 15, by what is blown out from the blade 121 of centrifugal fan 12 Wind is oriented to round wind outlet 112, and then blows to interior from round wind outlet 112.
The course of work of the wall-hanging air conditioner indoor unit of the embodiment is as follows:
Wind in room enters from the air inlet 111 positioned at the back side of housing 11, by heat exchanger 13 exchange heat after, be inhaled into from Inside heart fan 13, after the Promotion From Within pressure of centrifugal fan 13, centrifugal fan 13 is thrown out of, is then blown from its blade 121 Spirally to external diffusion after coming, round wind outlet 112 most is sent to through annular air supply air channel 15 afterwards, then through round wind outlet 112 Realize 360 ° of circumferential air-supply.
The wall-hanging air conditioner indoor unit of the embodiment forms air inlet 111 at the back side of housing 11, formed on housing 11 Round wind outlet 112, air intake, the air supply mode of annular air after composition, the space that the back side can not only be utilized larger increase into Wind area, realize the rear air intake of large area, additionally it is possible to realize in circumferential direction, in the range of 360 ° using round wind outlet 112 Air-supply, extends air supply direction, adds blowing range.Moreover, air inlet is located in the different faces of housing 11 with air outlet, energy Enough reduce noise.In addition, centrifugal fan 12 and heat exchanger 13 are using mode, heat exchanger 13 are arranged on centrifugal fan 12 in tandem Between air inlet 111, heat exchanger 13 can use existing plate armature, easy to process, heat exchange property stabilization;It is and right It is air draught mode, its windward side face air inlet 111, face velocity is low speed windward, and wind passes through heat exchanger for heat exchanger 13 Crushing is low when 13, can improve the air-supply air quantity of whole indoor set, reduces indoor set noise.Moreover, using centrifugal fan 12, can To cause whole indoor machine structure compact, it is easy to be used as its shell using the rounded housing 11 of orthographic projection, has broken existing wall Hanging air-conditioner indoor machine is axial-flow fan, orthographic projection is rectangular conventional outward appearance limitation, meets of user well Property demand.
Anticipate as shown in side elevation in figure 2, in this embodiment, the back side side outline line D of housing 11 is by convex behind centre The gradual withdrawn forward of camber line D2 and edge the camber lines that are formed of camber line D1, so as to form surface using the contour line D of arc For the back side of cambered surface.Moreover, air inlet 111 is formed in the cambered surface, so as on the basis with same backs perspective plane On than planar structure there is more large area to form air inlet 11, and then add the incoming air area of indoor set.
Moreover, on housing 11, correspond to room of the blade 121 of centrifugal fan 2 formed with round wind outlet 1112 For interior machine, the structure in annular air supply air channel 15 is larger to annular air supply performance impact.In this embodiment, annular air supply air channel 15 include the arc wind waveguide plate 151 and 152 extended from the outer edge of centrifugal fan 2 to round wind outlet 112.Referring to Fig. 3 institutes Signal, by taking the arc wind guiding member 151 extended with the rear portion outer edge of centrifugal fan 12 to round wind outlet 112 as an example, arc is led Any point that aerofoil 151 intersects with the rear portion outer edge of centrifugal fan 12 is as starting point, for example, the point A in figure, the starting point Formed with the angle X towards round wind outlet 112 between the tangent line of arc where A and the axis of centrifugal fan 2, and arc wind guiding member Point B on 151 is any point in addition to starting point, where point B between the tangent line of arc and the axis of centrifugal fan 2 formed with Towards the angle Y of round wind outlet 112, the angle number of angle X and angle Y meets lower relation of plane:45°<X<90 °, 30 °<Y< X.Angle X angle number is limited between 45 ° -90 °, both will not cause crushing is big, airflow reflux occurs to show because angle is too small As that will not cannot be guaranteed air-out because angle is excessive again and be blown out forward from round wind outlet 112.And the angle number of angle Y limits To be less than angle X more than 30 °, the crushing in annular air supply air channel 15 can be both reduced so that air-flow is more swimmingly from air channel Export, be advantageous to static pressure and recover and reduce noise, can ensure that the curve of annular air supply air channel 15 is overall to front curve again, and not Occur radian excessive and cause the generation of eddy current problem.
In this embodiment, because the frontal plane of projection of housing 11 is circle, heat exchanger 13 is plate armature, and both can not be tight Closely connected conjunction.To improve heat exchange efficiency, avoid entering from the wind that air inlet 111 is entered inside housing 11 without heat exchanger 13 Into centrifugal fan 12, the rear end surrounding of air inlet 11 is provided with baffle plate 16 in heat exchanger 13, baffle plate 16 respectively with heat exchange Device 13 and the phase of housing 11 are fixed, and heat exchanger 13 is sealed by the baffle plate 16 and the phase of housing 11, so as to ensure to enter from air inlet 111 Enter to the wind in housing 11 by heat exchanger 13, then blow to round wind outlet 112 through centrifugal fan 12 again.
Second embodiment of the wall-hanging air conditioner indoor unit of the present invention shown in Fig. 4 to Fig. 6 is referred to, wherein, Fig. 4 is this The front view of second embodiment, Fig. 5 are its side views, and Fig. 6 is the longitudinal sectional view of Fig. 5 side views.
Such as Fig. 4, Fig. 5 and illustrated in Figure 6, the wall of second embodiment similar to Fig. 3 one embodiment with Fig. 1 Hanging air-conditioner indoor machine also includes the rounded housing 21 of frontal plane of projection, formed with air inlet 211 on the back side of housing 21, Formed with round wind outlet 212 on housing 21.Air outlet grate is provided with round wind outlet 212, likewise, in air inlet Air-inlet grille is also equipped with 211.Centrifugal fan 22 and heat exchanger 23 in tandem is internally provided with housing 21.Wherein, Heat exchanger 23 is arranged between centrifugal fan 22 and air inlet 211.The bottom of heat exchanger 23 is provided with drip tray 24, in heat exchanger 23 rear end surrounding is provided with baffle plate 26.Centrifugal fan 22 is arranged on the front of heat exchanger 23, and round wind outlet 212 correspond to from The position of the blade 221 of heart fan 22 and formed on housing 21.
Moreover, in enclosure interior formed with annular air supply air channel 25, by what is blown out from the blade 221 of centrifugal fan 22 Wind is oriented to round wind outlet 212, and then blows to interior from round wind outlet 212.The structure in annular air supply air channel 25 with first The annular air supply air channel 24 of embodiment is similar, refers to the description of one embodiment.
Unlike one embodiment, before the round wind outlet 212 in second embodiment is located at housing 21 Face, to be unable to air-out at discontinuous air outlet, namely segmental arc 2121.By the way that round wind outlet 212 is arranged on into housing 21 Above, except realize overall air-out be preceding air-out mode in addition to, larger space can also be reserved to form air inlet 211.It is logical Cross and round wind outlet 212 is arranged to discontinuous air outlet, it is possible to achieve selectively blow, controlled at some in circumferential direction On direction or in some angular range(Angular range corresponding to segmental arc 2121)Do not blow.
For discontinuous round wind outlet 212 in the embodiment, it can use and be formed discontinuously directly on housing 21 Round wind outlet 211 realize in circumferential direction selectivity air-supply, following manner can also be used:The company of being formed on housing 21 Continuous round wind outlet, adjustable angle is set at the segmental arc 2121 of round wind outlet, for beating opening/closing round wind outlet Wind deflector, segmental arc 2121 is closed by controlling wind deflector, realize the selectivity air-supply of different angle in circumferential direction.
Fig. 7 is referred to, the figure shows the stereogram of 3rd embodiment of wall-hanging air conditioner indoor unit of the present invention.
As shown in fig. 7, basic configuration, structure and Fig. 1 of the wall-hanging air conditioner indoor unit of the 3rd embodiment are to Fig. 3 institutes The one embodiment shown is similar, also includes the rounded housing 31 of orthographic projection, formed with air intake on the back side of housing 31 Mouth 311.And unlike one embodiment, in the 3rd embodiment, formed with two annular airs on housing 31 Mouthful, the respectively first annular round wind outlet 313 of air outlet 312 and second.Wherein, first annular air outlet 312 is implemented with Fig. 1 Example is similar, is the blade with the centrifugal fan inside housing 31(Not shown in figure, one embodiment is referred to)Position is relative The round wind outlet answered, and the second round wind outlet 313 is located at before first annular air outlet 312, and be formed in A front round wind outlet before housing 31.
By setting two round wind outlets on housing 31, each round wind outlet can circumferentially blow, so as to real Now large-scale 3d air delivery, further expands air-out direction, increases wind-out range.
If desired, in addition to the second round wind outlet 313, ring in front of more can also be set before housing 31 Shape air outlet.Moreover, each round wind outlet including first annular air outlet 312, both can be continuous air outlet, It can be interrupted air outlet.
In three above-mentioned embodiments, the orthographic projection of indoor set is circle, but is not limited to this, be may be designed in just The polygon that side number is more than 4 is projected as, such as pentagon, hexagon, octagon are full to improve the diversity of indoor set product Individual demand of the sufficient user to indoor set profile.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited;Although with reference to foregoing reality Example is applied the present invention is described in detail, for the person of ordinary skill of the art, still can be to foregoing implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic;And these are changed or replaced Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.

Claims (6)

1. a kind of wall-hanging air conditioner indoor unit, including housing, on the housing formed with air inlet and air outlet, in the shell Internal portion is provided with fan and heat exchanger, it is characterised in that the air inlet, which is formed in the back side of the housing, the air outlet, is Form round wind outlet on the housing;The fan is centrifugal fan, and the heat exchanger is arranged on the centrifugal fan Between the air inlet;The round wind outlet, which comprises at least, the leaf to be formed on the housing, with the centrifugal fan The first annular air outlet of the corresponding opening position of piece;In the enclosure interior formed with will be blown from the blade of the centrifugal fan The wind that goes out is oriented to the first annular air outlet and from the annular air supply air channel of the first annular air outlet blowout;The ring Shape supply air duct includes from the outer edge of the centrifugal fan to the arc wind waveguide plate of the first annular air outlet extension, institute Arc wind waveguide plate is stated with any point that the outer edge of the centrifugal fan intersects as starting point, the tangent line of arc where the starting point Angle X being formed between the axis of the centrifugal fan, towards the first annular air outlet angle number be more than 45 ° and Less than 90 °, the tangent line of arc where other any points on the arc wind waveguide plate in addition to the starting point and the centrifugation wind The angle number of angle Y being formed between the axis of fan, towards the first annular air outlet is more than 30 ° and is less than the angle X angle number.
2. indoor set according to claim 1, it is characterised in that the round wind outlet is continuous air outlet.
3. indoor set according to claim 1, it is characterised in that the orthographic projection of the indoor set is rounded or side number is more than 4 polygon.
4. indoor set according to claim 1, it is characterised in that the round wind outlet also includes to be formed in the shell At least one front round wind outlet before body and before the first annular air outlet.
5. indoor set according to claim 1, it is characterised in that the exchanger base is provided with drip tray.
6. indoor set according to claim 1, it is characterised in that the back side side outline line of the housing is behind centre Convex, the gradual withdrawn forward in edge camber line, the air inlet are formed in the cambered surface being made up of the camber line.
CN201310618003.7A 2013-11-29 2013-11-29 Wall-hanging air conditioner indoor unit Active CN104676744B (en)

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CN105091110B (en) * 2015-09-07 2018-01-02 珠海格力电器股份有限公司 A kind of wall hanging machine and conditioner
CN105091109B (en) * 2015-09-07 2018-04-17 珠海格力电器股份有限公司 A kind of wall hanging machine and conditioner
CN105465889A (en) * 2015-12-15 2016-04-06 广东志高空调有限公司 Split wall-hung type indoor unit of air conditioner
CN105674398B (en) * 2016-02-22 2018-06-19 广东志高空调有限公司 A kind of Separated wall type domestic air conditioning
CN105588206A (en) * 2016-02-23 2016-05-18 珠海格力电器股份有限公司 Indoor unit of air conditioner and air-conditioning system with indoor unit of air conditioner
CN105605685A (en) * 2016-03-15 2016-05-25 李丹 Vertical air conditioner indoor unit
CN105674408B (en) * 2016-03-28 2018-12-18 广东美的制冷设备有限公司 Round indoor unit and air conditioner with it
CN105650742B (en) * 2016-03-28 2019-01-22 广东美的制冷设备有限公司 Wall-hanging air conditioner indoor unit and air conditioner
CN106287953A (en) * 2016-08-04 2017-01-04 珠海格力电器股份有限公司 Air-conditioner
CN106403049A (en) * 2016-11-29 2017-02-15 海信(山东)空调有限公司 Wall-mounted air conditioner
CN106440064A (en) * 2016-11-29 2017-02-22 海信(山东)空调有限公司 Wall-hanging air-conditioner indoor unit and air-conditioner

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