CN202947218U - Air conditioning indoor machine - Google Patents

Air conditioning indoor machine Download PDF

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Publication number
CN202947218U
CN202947218U CN 201220647202 CN201220647202U CN202947218U CN 202947218 U CN202947218 U CN 202947218U CN 201220647202 CN201220647202 CN 201220647202 CN 201220647202 U CN201220647202 U CN 201220647202U CN 202947218 U CN202947218 U CN 202947218U
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Prior art keywords
air
indoor apparatus
air conditioner
heat exchanger
conditioner according
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CN 201220647202
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Chinese (zh)
Inventor
杜辉
苏玉海
晋加伟
周伙喜
冯汇远
赵成龙
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides an air conditioning indoor machine which comprises a case body, a heat exchanger, and a cross-flow fan, wherein the heat exchanger and the cross-flow fan are arranged in the case body. The cross-flow fan comprises a cross-flow wind wheel and a volute which are mutually arranged in a matched mode. The volute comprises a front volute tongue and a rear volute, wherein the front volute tongue forms a first side of a pressure expansion part of the cross-flow fan, and the rear volute of a second side which is opposite to the first side and forms the pressure expansion part. The pressure expansion part is arranged downward and an air outlet is formed in the lower side of the case body. An air return inlet is formed in the rear side of the case body and / or the upper side of the case body. The first side is the curve surface which curves to the heat exchanger, a generatrix of the first side comprises at least two sections, and each section is a straight line or a curve. According to the air conditioning indoor machine, the air outlet is formed in the lower side, the air return inlet is formed in the rear side and / or the upper side, and thus room local condole top is realized, air flow is more easily sent to the middle-lower part of a room, and air circulation of the whole room is improved. In addition, the front volute tongue is optimized, the first side is designed into a curve surface, and thus unit noise is reduced.

Description

Indoor apparatus of air conditioner
Technical field
The utility model relates to field of air conditioning, 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 pay attention to the finishing in room, concealed type room air conditioner unit because its concealed advantage is welcomed by the people gradually.The concealed type indoor apparatus of air conditioner air inlet/outlet form of unidirectional air-out in the market mainly contains two kinds, the first is advanced side under being and is gone out formula concealed type indoor apparatus of air conditioner, be that return air inlet 11 is arranged on the bottom surface of indoor apparatus of air conditioner, air outlet 12 is arranged on the trailing flank of indoor apparatus of air conditioner.Fig. 1 advances side under being and goes out flow area sketch after formula concealed type indoor apparatus of air conditioner is installed, advancing side under the concealed type indoor apparatus of air conditioner adopts goes out formula and has and only need the local furred ceiling in room, save the advantage of a large amount of room ceiling voiies, but as shown in Figure 1, at first the air-out of indoor apparatus of air conditioner arrives the top, room, then by airflow circulating down, because the mankind's zone of action in the middle and lower part in room, is caused the larger waste of energy like this; And when air-conditioning heating, because hot-air density is lower, hot-air is difficult to reach the middle and lower part, room, causes thermal comfort poor.
Another advances next-out concealed type indoor apparatus of air conditioner under being, namely return air inlet 11 and air outlet 12 all are positioned on the downside of indoor set.Fig. 2 advances the flow area sketch after next-out concealed type indoor apparatus of air conditioner is installed under being, advancing the next-out tool for mounting under the concealed type indoor apparatus of air conditioner adopts has the indoor apparatus of air conditioner air-out to be easier to send to the middle and lower part in room.But under to enter next-out indoor apparatus of air conditioner airflow circulating zone less, need to be arranged in the room central region, therefore the room needs whole whole furred ceilings, cause the room height to reduce, easily cause sense of depression.And due to air outlet 12 and return air inlet 11 nearer, cause air-flow to be difficult to arrive the corner portions located in room, the temperature difference in room is larger, comfortableness is bad.
The utility model content
The utility model aims to provide a kind of indoor apparatus of air conditioner, and existing concealed type indoor apparatus of air conditioner can not satisfy local furred ceiling simultaneously and indoor middle and lower part heats the good problem of comfortableness to solve.
The utility model provides a kind of indoor apparatus of air conditioner, comprises housing, and the heat exchanger and the cross flow fan that are arranged on enclosure interior, and cross flow fan comprises tubular wine wheel and the spiral case that cooperatively interacts and arrange; Spiral case comprises the front snail tongue of the first side of the diffusion section that forms cross flow fan and the rear spiral case of second side relative with the first side that forms diffusion section, diffusion section forms the air port on below setting and the downside at housing, have return air inlet on the trailing flank of housing and/or on upper side; The first side is the curved surface to the heat exchanger bending, and the bus of the first side comprises at least two sections, and every section is straight line or curve.
Further, the bus of the first side comprises three straightways, and between two adjacent straightways, arc transition connects.
Further, the Length Ratio of three straightways is 5:4:4.
Further, before the Edge Distance of tubular wine wheel, the minimum clearance of snail tongue is δ 1, wherein 3mm≤δ 1≤13mm; After the Edge Distance of tubular wine wheel, the minimum clearance of spiral case is δ 2, wherein 3mm≤δ 2≤15mm.
Further, the flow inlet angle of cross flow fan is α, wherein, and 120 °≤α≤250 °; The efflux angles of cross flow fan is β, wherein, and 110 °≤β≤240 °, and alpha+beta≤360 °.
Further, heat exchanger is two folding heat exchangers, and two folding heat exchangers comprise interconnective the first heat exchange section and the second heat exchange section, has angle theta 1 between the first heat exchange section and the second heat exchange section, wherein, and 1≤150 ° of 20 °≤θ.
Further, heat exchanger is the many foldings heat exchanger greater than two foldings.
Further, be angle Φ between the second side of diffusion section and the downside of housing, wherein, 30 °≤Φ≤170 °.
Further, rear spiral case is ω from line and the horizontal angle in the center of circle of the closest approach of tubular wine wheel and tubular wine wheel, wherein, and 40 °≤ω≤120 °.
Further, the center of circle of tubular wine wheel is L to the vertical distance of the air outlet on the downside of housing, wherein, and 60mm≤L≤180mm.
According to indoor apparatus of air conditioner of the present utility model, by air outlet is arranged on downside, return air inlet is arranged on trailing flank and/or upper side, thereby realize the local furred ceiling in room, save a large amount of room ceiling voiies, and air-flow can be delivered to relatively easily the middle and lower part in room, improve the airflow circulating in whole room, thereby improve comfortableness.In addition, the utility model is to the curved surface of heat exchanger bending the first side by front snail tongue is optimized, and the bus of the first side comprises at least two sections, and every section is straight line or curve, thereby realizes indoor apparatus of air conditioner in the situation that identical air quantity, reduce the unit noise, improve air quantity noise ratio.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 be in prior art next time side go out the airflow circulating schematic diagram of formula indoor apparatus of air conditioner;
Fig. 2 is the airflow circulating schematic diagram of next-out indoor apparatus of air conditioner next time in prior art;
Fig. 3 is the airflow circulating schematic diagram that the side of indoor apparatus of air conditioner of the present utility model is returned next-out;
Fig. 4 is the perspective view according to indoor apparatus of air conditioner of the present utility model;
Fig. 5 be according to indoor apparatus of air conditioner of the present utility model along tubular wine wheel sectional structure schematic diagram radially;
Fig. 6 is according to the correlation schematic diagram between each parts of indoor apparatus of air conditioner of the present utility model;
Fig. 7 a is the structural representation of the front snail tongue of indoor apparatus of air conditioner of the prior art;
Fig. 7 b is the structural representation according to the front snail tongue of indoor apparatus of air conditioner of the present utility model;
Fig. 8 is the size relationship schematic diagram according to indoor apparatus of air conditioner of the present utility model;
Fig. 9 is according to the heat exchanger of indoor apparatus of air conditioner of the present utility model the first structural representations for many folding heat exchangers;
Figure 10 is according to the heat exchanger of indoor apparatus of air conditioner of the present utility model the second structural representations for many folding heat exchangers; And
Figure 11 is ω, L, the Φ position relationship schematic diagram according to indoor apparatus of air conditioner of the present utility model.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Fig. 3 to 6, according to indoor apparatus of air conditioner of the present utility model, comprise housing 10, and the heat exchanger 20 and the cross flow fan 40 that are arranged on enclosure interior, cross flow fan 40 comprises tubular wine wheel 41 and the spiral case 42 that cooperatively interacts and arrange; Spiral case 42 comprises the front snail tongue 42a of the first side of the diffusion section 43 that forms cross flow fan 40 and the rear spiral case 42b of second side relative with the first side that forms diffusion section 43, diffusion section 43 arranges towards the below and form air port 12 on the downside of housing 10, has return air inlet 11 on the trailing flank of housing and/or on upper side; The first side is the curved surface to heat exchanger 20 bendings, and the bus of the first side comprises at least two sections, and every section is straight line or curve.The utility model is by being arranged on air outlet 12 on downside, and return air inlet 11 is arranged on trailing flank and/or on upper side, thereby realizes the local furred ceiling in room, save a large amount of room ceiling voiies, and air-flow is delivered to the middle and lower part in room relatively easily.As shown in Figure 3, when air outlet 12 is positioned on downside, when return air inlet 11 was positioned on trailing flank, airflow circulating improved the airflow circulating in whole room as shown by the arrows in Figure 3, thereby improved comfortableness.In addition, the utility model is by optimizing front snail tongue 42a, the first side is to the curved surface of heat exchanger bending, and the bus of the first side comprises at least two sections, every section is straight line or curve, thereby realize indoor apparatus of air conditioner in the situation that identical air quantity reduces the unit noise, improve air quantity noise ratio.
As shown in Fig. 6 and Fig. 7 b, at front snail tongue 42a preferably in prioritization scheme, the bus of the first side comprises three straightways, between two adjacent straightways, arc transition connects, along air-out direction, the Length Ratio of three straightways is 5:4:4, and two adjacent straightways adopt R20 circular arc rounding off, and the horizontal component of first paragraph and front snail tongue is 85 ° of angles, and the angle between adjacent two sections straight lines is respectively 165 ° and 148 °.
With contrast test on the front snail tongue 42a after above-mentioned optimization and the of the prior art front snail tongue 42a as shown in Figure 7a indoor apparatus of air conditioner that to be arranged on a specified refrigerating capacity be 3.5kw, this testing machine is selected fan blade diameter 108mm, tubular wine wheel 41 and front snail tongue room δ 1=6mm, tubular wine wheel 41 and rear spiral case gap delta 2=5mm, adopt the two-fold heat exchanger, the two total U numbers of folding evaporimeter are 16 U, and the angle between two folding heat exchangers is 48 °, respectively is 24 ° of angles with horizontal plane.Contrast test air quantity and noise are as shown in following table one and table two:
Table one: air quantity noise test data when front snail tongue of the prior art is installed
Gear Air quantity Noise Air quantity noise ratio
Superelevation 662 43.2 15.3
High 570 38.5 14.8
In 426 32.1 13.3
Low 302 23.4 12.9
Table two: air quantity noise test data when front snail tongue of the present utility model is installed
Gear Air quantity Noise Air quantity noise ratio
Superelevation 665 41.6 16
High 569 37.9 15
In 439 30.6 14.3
Low 303 21.5 14
In contrast, the data of table one and table two can draw, and adopt the front snail tongue 42a structure of many foldings after the utility model is optimized, and can at the prerequisite decline low noise that guarantees air quantity, obtain higher air quantity noise ratio.
As shown in Figure 8, the minimum clearance δ 1 of snail tongue 42a, wherein 3mm≤δ 1≤13mm before the Edge Distance of tubular wine wheel 41; The minimum clearance δ 2 of spiral case 42b, wherein 3mm≤δ 2≤15mm after the Edge Distance of tubular wine wheel 41.Setting not only can reduce the size of indoor apparatus of air conditioner like this, increases simultaneously the unit air-out volume and reduces the unit noise.
Air-conditioner take a specified refrigerating capacity as 3.5kw is as testing machine, select fan blade diameter 108mm, front snail tongue 42a as shown in Figure 7b, flow inlet angle α=184 °, efflux angles β=176 °, adopting three folding heat exchangers, is respectively 4,5,6 diameter 5mm heat exchange U pipes, regulates δ 1 and δ 2 height, operate in when the most high-grade at air-conditioner, air quantity and noise test data are as shown in following table three: (dimensional units millimeter, air quantity unit's cubic meter per hour, noise unit's decibel):
Table three: different δ 1 and δ 2 times, the test data of air quantity and noise
δ1 δ2 Unit sectional dimension (fan blade radially) Air quantity Noise Air quantity noise ratio
3 3 303*195 653 42.8 15.3
5 4 304*198 651 41.2 15.8
6 5 305*200 643 40.1 16
8 9 309*211 576 39.3 14.7
13 15 315*217 480 37.1 12.9
Can find out from above data, as δ 1 and δ 2 when too small, although the air quantity noise is than high, its noise is also larger, is not most preferred scheme, contrast above data, can find out, as 5mm≤δ 1≤8mm, 4mm≤δ 2≤9mm, air quantity and noise can be in scopes more preferably, and the air quantity noise is than also obtaining preferably value.
As shown in Figure 8, the flow inlet angle of cross flow fan (angle of the line of the center of circle of the line of beeline point and tubular wine wheel and front snail tongue beeline point on the center of circle of tubular wine wheel 41 and rear spiral case) is α, the efflux angles of cross flow fan (angle of the line of the line of the center of circle of tubular wine wheel 41 and rear spiral case beeline point and the center of circle of tubular wine wheel and front snail tongue beeline point) is β, flow inlet angle α and efflux angles β, usually, 120 °≤α≤250 °; 110 °≤β≤240 °.Flow inlet angle α and efflux angles β sum are less than or equal to 360 degree, when the boundary of flow inlet angle α and efflux angles β when being a bit, can think alpha+beta=360 °, and usually, boundary is a little line segment, therefore alpha+beta<360 °.
When flow inlet angle α was too small, the unit air quantity was little, and air-out volume is unstable, and whoop is arranged, and when the unit flow inlet angle was excessive, because efflux angles is too small, the unit air quantity was low.Air-conditioner take a specified refrigerating capacity as 3.5kw is as testing machine, select fan blade diameter 108mm, front snail tongue 42a as shown in Figure 7b, tubular wine wheel 41 and front snail tongue room δ 1=6mm, tubular wine wheel 41 and rear spiral case gap delta 2=5mm, adopt the two-fold heat exchanger, respectively 6 diameter 5mm heat exchange U pipes and 10 diameter 5mm heat exchange U pipes, adopt different α, β angle, operate in when the most high-grade at air-conditioner, air quantity and noise test data are as shown in following table four: (dimensional units millimeter, air quantity unit's cubic meter are per hour)
Table four: under different α and β, the test data of air quantity and noise
α β Air quantity Other problems
120 240 530 Air-out volume is unstable, and whoop is arranged
160 200 591 ?
185 175 636 ?
190 170 628 ?
250 110 539 ?
Can find out from the data of table four, when the α angle too small, cause air quantity little, and air-out is unstable, and β is when too small, also cause air quantity little, the above data of comparative analysis can draw, and flow inlet angle α and efflux angles β more preferably scope are, 160 °≤α≤190 °, 170 °≤β≤200 °.
As shown in Figure 5, the below of heat exchanger 20 is provided with drip tray 30, is provided with heat insulation filler 60 between drip tray 30 and housing 10, is provided with heat insulation filler 60 between spiral case 42 and housing 10.Preferably, heat insulation filler 60 is sponge or foam, is used for filling fixedly drip tray or spiral case, plays simultaneously insulation effect, prevents condensation.
As shown in Figure 8, heat exchanger 20 can be two foldings, according to present general ceiling height, the degree of depth, selects the heat exchangers of two foldings can effectively reduce the unit three-dimensional dimension, and between the two folding heat exchangers of up and down, angle is 1≤150 ° of 1,20 °≤θ of θ.Consider for improving working (machining) efficiency and heat exchanger structure intensity, heat exchanger can not adopt the form of two folding splicings, and adopts the form of one bending, can reduce the indoor apparatus of air conditioner volume simultaneously.
Adopt above-mentioned testing machine, two folding heat exchangers be installed, adjust the angle between two folding heat exchangers, obtain the experimental data as shown in following table five:
Table five: the experimental data under different θ 1 angles
Figure BDA00002484628700051
From can finding out of table five, when θ 1 angle too small, can cause the heat exchanger impeded drainage, return air inlet is too little, the little series of problems that waits of unit air quantity, preferably the span of θ 1 is 35 ° to 100 °.
Heat exchanger 20 also can be single folding heat exchanger, and single folding heat exchanger and horizontal plane are obliquely installed.As shown in Figures 9 and 10, heat exchanger 20 also can be set to the many foldings heat exchanger greater than two foldings, have 2≤180 ° of 0 °≤θ of angle between two foldings of the arbitrary neighborhood of many folding heat exchangers, be preferably 2≤179 ° of 1 °≤θ, thereby blower fan is formed the semi-surrounding structure, make the more even wind-engaging of heat exchanger, improve heat exchange efficiency.When heat exchanger arranged greater than two foldings, for maximal efficiency and the consideration that utilizes the space, in conjunction with at present existing technique, heat exchanger can be designed at most 6 foldings.In above various heat exchangers arranged form, in order to guarantee the exchange capability of heat of unit, heat exchanger cross section U pipe number sum was 12 ~ 24, is preferably 13 ~ 18.
Shown in Figs. 9 to 11, rear spiral case 42b or its tangent plane can vertically arrange or be obliquely installed with the downside of housing.As shown in figure 11, be angle Φ between the second side of diffusion section 43 and the downside of housing, namely after the angle of downside of spiral case 42b or its tangent plane and housing be Φ.Usually, when unit design air-out zone and return air zone were in the same area, Φ was acute angle, and with the air-supply zone during in zones of different, Φ is the obtuse angle when unit return air zone.Preferably span is 30 ° to 170 °.With above-mentioned testing machine, when 2.5 meters of hoisting heights, the most high-grade air quantity be 634 cubic metres per hour, adjust angle Φ, obtain the experimental result as shown in following table six.
Can draw from the experimental result of following table six, when angle Φ is too small, have backflow phenomenon, affect heat pump performance.And as Φ during too small or transition, namely in upper table when Φ<30 ° or Φ>170 °, minimum air-supply highly is raise, namely the height on the perigee distance ground that enough reaches of wind energy constantly increases, and affects the effect of drying.Take minimum air-supply height less than 0.2mm as index, the most preferred scope of angle Φ is 50 ° to 150 °.
Table six: the air-supply situation under different Φ angles
Figure BDA00002484628700061
As shown in figure 11, rear spiral case 42b is separations of air intake and air-out from the closest approach of tubular wine wheel 41, when Φ one regularly, the upper angle ω that becomes with horizontal line from tubular wine wheel 41 closest approaches and the line in tubular wine wheel 41 centers of circle of rear spiral case 42b is controlling the ratio in the regional and air-out of air intake zone, when ω is bigger than normal, the air intake district is less than normal, the unit air quantity is little, and air-out is unstable, when ω is less than normal, the too small unit air quantity that causes in air-out zone is little, and the span of general ω is 40 ° ~ 120 °.
Air-conditioner take a specified refrigerating capacity as 3.5kw is as testing machine, its fan blade diameter 108mm, 24 ° of tubular wine wheels of diffusion section angle 41 and front snail tongue room δ 1=6mm, tubular wine wheel 41 and rear spiral case gap delta 2=5mm adopt the two-fold heat exchanger, are respectively 6 diameter 5mm heat exchange U pipes and 10 diameter 5mm heat exchange U pipes, adopt different ω angles, operate in when the most high-grade at air-conditioner, the test data of air quantity is as shown in following table seven: (angular unit degree, air quantity unit's cubic meter are per hour)
Table seven: the experimental data of the air quantity under different ω angles
ω The most high-grade air quantity of unit
40 546
60 582
80 628
100 623
120 575
Can draw from the data of upper table seven, constantly increase to from 40 ° as ω the process of 120 °, the most high-grade air quantity first increases and then decreases of unit, during at 60 ° to 100 °, air quantity is obtained than the figure of merit as ω.
As shown in figure 11, the diffusion length of unit is directly being controlled in tubular wine wheel 41 centers of circle to the distance L bottom of air outlet 12, when diffusion length too in short-term, can not form stable air-out, and air-out volume is low, and easily enters the stall zone of tubular wine wheel 41, when diffusion length is oversize, the diffusion pressure loss is excessive, and the unit air quantity is low, and the span of general L is: 60mm≤L≤180mm.
Air-conditioner take a specified refrigerating capacity as 3.5kw is as testing machine, select fan blade diameter 98mm, front snail tongue 42a as shown in Figure 7b, flow inlet angle α=184 °, efflux angles β=176 °, tubular wine wheel 41 and front snail tongue room δ 1=6mm, tubular wine wheel 41 and rear spiral case gap delta 2=5mm, adopt the two-fold heat exchanger, be respectively 6 diameter 5mm heat exchange U pipe and 10 diameter 5mm heat exchange U pipes, adopt different L, operate in when the most high-grade at air-conditioner, the test data of air quantity is as shown in following table eight: (long measure is millimeter, and air quantity unit's cubic meter per hour)
Table eight: the experimental data of the air quantity under Different L
L Air quantity Remarks
60 411 Air-out volume is unstable
98 595 ?
120 619 ?
140 575 ?
180 446 ?
Can draw from the data of upper table eight, when L constantly increases to the process of 180mm from 60mm, the most high-grade air quantity first increases and then decreases of unit, and when L is too small, can cause the unsettled problem of air-out volume.Consider, during scope as L at 98mm ~ 140mm, air quantity is obtained than the figure of merit.
Preferably, as shown in Figure 5, be provided with electric heater unit 50 between heat exchanger 20 and blower fan 40, when heat exchanger 20 can not satisfy when heating demand, can start the under powered problem that electric heater unit 50 makes up heat exchanger 20.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to indoor apparatus of air conditioner of the present utility model, by air outlet is arranged on downside, return air inlet is arranged on trailing flank and/or on upper side, thereby realize the local furred ceiling in room, save a large amount of room ceiling voiies, and air-flow can be delivered to relatively easily the middle and lower part in room, improve the airflow circulating in whole room, thereby improve comfortableness.In addition, the utility model is to the curved surface of heat exchanger bending the first side by front snail tongue is optimized, and the bus of the first side comprises at least two sections, and every section is straight line or curve, thereby realizes indoor apparatus of air conditioner in the situation that identical air quantity, reduce the unit noise, improve air quantity noise ratio.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. an indoor apparatus of air conditioner, comprise housing (10), and be arranged on described housing (10) inner heat exchanger (20) and cross flow fan (40), it is characterized in that,
Described cross flow fan (40) comprises tubular wine wheel (41) and the spiral case (42) that cooperatively interacts and arrange;
Described spiral case (42) comprises the rear spiral case (42b) of second side relative with described the first side of the front snail tongue (42a) of the first side of the diffusion section (43) that forms described cross flow fan (40) and the described diffusion section of formation (43), described diffusion section (43) arranges towards the below and form air port (12) on the downside of described housing (10), has return air inlet (11) on the trailing flank of described housing and/or on upper side;
Described the first side is that the bus of described the first side comprises at least two sections to the crooked curved surface of described heat exchanger (20), and every section is straight line or curve.
2. indoor apparatus of air conditioner according to claim 1, is characterized in that,
The bus of described the first side comprises three straightways, and between two adjacent straightways, arc transition connects.
3. indoor apparatus of air conditioner according to claim 2, is characterized in that,
The Length Ratio of three described straightways is 5:4:4.
4. indoor apparatus of air conditioner according to claim 1, is characterized in that,
The minimum clearance of the described front snail tongue of the Edge Distance of described tubular wine wheel (41) (42a) is δ 1, wherein 3mm≤δ 1≤13mm;
The minimum clearance of the described rear spiral case of the Edge Distance of described tubular wine wheel (41) (42b) is δ 2, wherein 3mm≤δ 2≤15mm.
5. indoor apparatus of air conditioner according to claim 1, is characterized in that,
The flow inlet angle of described cross flow fan (40) is α, wherein, and 120 °≤α≤250 °;
The efflux angles of described cross flow fan (40) is β, wherein, and 110 °≤β≤240 °, and alpha+beta≤360 °.
6. indoor apparatus of air conditioner according to claim 1, is characterized in that,
Described heat exchanger (20) is two folding heat exchangers, and described two folding heat exchangers comprise interconnective the first heat exchange section and the second heat exchange section, has angle theta 1 between described the first heat exchange section and described the second heat exchange section, wherein, and 1≤150 ° of 20 °≤θ.
7. indoor apparatus of air conditioner according to claim 1, is characterized in that, described heat exchanger (20) is the many foldings heat exchanger greater than two foldings.
8. indoor apparatus of air conditioner according to claim 1, is characterized in that, is angle Φ between the second side of described diffusion section (43) and the downside of described housing, wherein, and 30 °≤Φ≤170 °.
9. indoor apparatus of air conditioner according to claim 1, it is characterized in that, described rear spiral case (42b) is ω from line and the horizontal angle in the center of circle of the closest approach of described tubular wine wheel (41) and described tubular wine wheel (41), wherein, and 40 °≤ω≤120 °.
10. indoor apparatus of air conditioner according to claim 1, is characterized in that,
The center of circle of described tubular wine wheel (41) is L to the vertical distance of the described air outlet (12) on the downside of described housing (10), wherein, and 60mm≤L≤180mm.
CN 201220647202 2012-11-28 2012-11-28 Air conditioning indoor machine Expired - Lifetime CN202947218U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152280A (en) * 2016-08-01 2016-11-23 珠海格力电器股份有限公司 Air-conditioning device
CN106322535A (en) * 2016-09-20 2017-01-11 Tcl空调器(中山)有限公司 Indoor unit of air conditioner and air conditioner
CN113757808A (en) * 2020-06-01 2021-12-07 广东美的暖通设备有限公司 Air duct type air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106152280A (en) * 2016-08-01 2016-11-23 珠海格力电器股份有限公司 Air-conditioning device
CN106322535A (en) * 2016-09-20 2017-01-11 Tcl空调器(中山)有限公司 Indoor unit of air conditioner and air conditioner
CN113757808A (en) * 2020-06-01 2021-12-07 广东美的暖通设备有限公司 Air duct type air conditioner

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