CN202747568U - Indoor machine - Google Patents
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- CN202747568U CN202747568U CN201220472905.5U CN201220472905U CN202747568U CN 202747568 U CN202747568 U CN 202747568U CN 201220472905 U CN201220472905 U CN 201220472905U CN 202747568 U CN202747568 U CN 202747568U
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Abstract
The utility model provides an indoor unit, which comprises a shell, wherein a fan is fixedly arranged in the shell, a heat exchanger is arranged on the air inlet side of the fan, a return air inlet and an air outlet which are respectively positioned on two sides of the heat exchanger are arranged on the shell, the return air inlet is arranged on the rear side surface or the upper side surface of the shell or on the rear side surface and the upper side surface of the shell simultaneously, the fan is a cross-flow fan, and the diffusion part of the cross-flow fan is arranged downwards; the cross-flow fan comprises a cross-flow wind wheel and a volute which are matched with each other, and the volute is matched and arranged in the shell; the volute comprises a front volute forming a first side face of the diffusion part and a rear volute forming a second side face of the diffusion part, the vertical distance from the circle center of the cross-flow wind wheel to an air outlet on the lower side face of the casing is L, and L is larger than or equal to 60mm and smaller than or equal to 180 mm. The utility model discloses make the air-out direction directly downwards to optimize the vertical distance to the downside of casing to the centre of a circle of through-flow wind wheel, thereby control the length of diffuser portion, improve the efficiency of indoor set.
Description
Technical field
The utility model relates to field of air conditioning, in particular to a kind of indoor set.
Background technology
Present household small-size indoor set (take the airduct indoor set as example) on the market, say from set structure, as shown in Figures 1 to 4, mainly comprise housing 10, housing 10 inside are fixedly installed heat exchanger 20, the below of heat exchanger 20 is provided with drip tray 30, and a side of heat exchanger 20 is provided with blower fan 40, is provided with the return air inlet 11 and the air outlet 12 that are positioned at heat exchanger 20 both sides on the housing 10.From the mode of air current composition, mainly contain following several form:
Side is sent next time, and as depicted in figs. 1 and 2,11 designs of the return air inlet of indoor set are in indoor set unit bottom, and air outlet 12 designs of indoor set are in indoor set unit side, and return air, air-out all can air ducts or be flexible coupling, and form side and send the loop of air current composition next time.
After sending, side returns, perhaps side is sent next time, as shown in Figure 3 and Figure 4, return air inlet 11 designs of indoor set are at indoor set unit rear portion, air outlet 12 designs of indoor set are in indoor set unit side, but return air is connected to unit rear portion, air-out air duct by airduct or is flexible coupling, the air current composition loop of returning after the formation side is sent, perhaps but air-out air duct or be flexible coupling turns downwards, forms side and send next time form.
Can find out from above indoor machine structure, air current composition mode, although the household small-size indoor machine structure of industry is various informative at present, for installing and using of reality, form is single, the air outlet 12 of unit all is arranged on the side of housing, and in the actual use procedure, generally all needs air-out direction downward, so just need to install airduct, cause trouble is installed, and, because the existence of airduct, cause that to heat comfortableness poor, the problem of air output less.
The utility model content
The utility model aims to provide a kind of downward air-out and improves the indoor set of air quantity, and it is poor to heat comfortableness with the side air-out of solution indoor set, and the problem of air quantity less.
The utility model provides a kind of indoor set, comprise housing, enclosure interior is fixedly installed blower fan, the inlet side of blower fan is provided with heat exchanger, be provided with the return air inlet and the air outlet that lay respectively at the heat exchanger both sides on the housing, return air inlet is arranged on the trailing flank of housing or on the upper side or be arranged on simultaneously on the trailing flank and upper side of housing, blower fan is cross flow fan, and the diffusion section of cross flow fan arranges towards the below; Cross flow fan comprises tubular wine wheel and the spiral case that cooperatively interacts and arrange, and spiral case is equipped with in enclosure interior; Spiral case comprises the front spiral case that forms diffusion section the first side and the rear spiral case that forms diffusion section the second side, and 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.
Further, 98mm≤L≤140mm.
Further, the below of heat exchanger is provided with drip tray, is provided with heat insulation filler between drip tray and the housing; Be provided with heat insulation filler between spiral case and the housing.
Further, be included angle between the outer contour of diffusion section and the downside of housing, wherein, 30 °≤φ≤170 °.
Further, 50 °≤φ≤150 °.
Further, the angle between front spiral case and the rear spiral case opens to the air side, forms the diffusion angle γ of diffusion section, wherein, and 10 °≤γ≤40 °.
Further, 18 °≤γ≤28 °.
Further, the minimum clearance of spiral case is δ 1 before the Edge Distance of tubular wine wheel, wherein 3mm≤δ 1≤13mm; The minimum clearance of spiral case is δ 2 behind the Edge Distance of tubular wine wheel, wherein 3mm≤δ 2≤15mm.
Further, 5mm≤δ 1≤8mm; 4mm≤δ 2≤9mm.
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, 160 °≤α≤190 °; 170 °≤β≤200 °.
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, 60 °≤ω≤100 °.
Further, return air inlet comprises the rear return air inlet that is arranged on the housing trailing flank and the upper return air inlet that is arranged on the upper side of housing; Indoor set also comprises the return air cover plate that is arranged on the housing, the return air cover plate have cover return air inlet so that indoor set from the primary importance of rear return air inlet return air; With cover rear return air inlet so that indoor set from the second place of upper return air inlet return air; And open and make indoor set from upper return air inlet and rear return air inlet the 3rd position of return air simultaneously.
Further, be provided with electric heater unit between heat exchanger and the blower fan.
Further, indoor set is the airduct indoor set.
According to indoor set of the present utility model, arrange towards the below by the diffusion section with blower fan, thereby air outlet can be arranged on the downside of housing, make the air-out direction of indoor set directly downward, effectively solved the general room machine and airduct need to be installed just can make the downward problem of air-out direction, and the comfortableness that has improved air-out efficient and heated; And optimize to the vertical distance of the air outlet on the downside of housing by the center of circle to tubular wine wheel, thereby the length of control diffusion section improving air output, thereby the efficient of raising indoor set.And return air inlet has multiple set-up mode, thereby satisfies the return air demand under the different situations.
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 is the first structural representation according to the indoor set of prior art;
Fig. 2 is the second structural representation according to the indoor set of prior art;
Fig. 3 is the third structural representation according to the indoor set of prior art;
Fig. 4 is the 4th kind of structural representation according to the indoor set of prior art;
Fig. 5 is the perspective view according to indoor set of the present utility model;
Fig. 6 is the sectional structure schematic diagram according to indoor set of the present utility model;
Fig. 7 is according to the correlation schematic diagram between each parts of indoor set of the present utility model;
Fig. 8 is the structural representation of rolling over heat exchanger according to the heat exchanger of indoor set of the present utility model for list;
Fig. 9 is according to the heat exchanger of indoor set of the present utility model the first structural representations for many folding heat exchangers;
Figure 10 is according to the heat exchanger of indoor set of the present utility model the second structural representations for many folding heat exchangers;
Figure 11 is ω, L, the φ position relationship schematic diagram according to indoor set of the present utility model; And
Figure 12 is the schematic diagram according to the 3rd position, return air cover plate position of indoor set 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 illustrated in Figures 5 and 6, according to indoor set of the present utility model (take the airduct indoor set as example), comprise housing 10, housing 10 inside are fixedly installed blower fan 40, the inlet side of blower fan 40 is provided with heat exchanger 20, be provided with the return air inlet 11 and the air outlet 12 that lay respectively at heat exchanger 20 both sides on the housing 10, return air inlet 11 is arranged on the trailing flank of housing 10 or on the upper side or be arranged on simultaneously on the trailing flank and upper side of housing 10, blower fan 40 is cross flow fan, and the diffusion section 43 of cross flow fan arranges towards the below; Cross flow fan comprises tubular wine wheel 41 and the spiral case 42 that cooperatively interacts and arrange, and spiral case 42 is equipped with in housing 10 inside; Spiral case 42 comprises the front spiral case 42a that forms diffusion section 43 first sides and the rear spiral case 42b that forms diffusion section 43 second sides, and the center of circle of tubular wine wheel 41 is L to the air outlet 12 vertical distances on the downside of housing 10, wherein, and 60mm≤L≤180mm.Indoor set of the present utility model, arrange towards the below by the diffusion section 43 with blower fan 40, thereby air outlet 12 can be arranged on the downside of housing 10, make the air-out direction of indoor set directly downward, effectively solved the general room machine and airduct need to be installed just can make the downward problem of air-out direction, and the comfortableness that has improved air-out efficient and heated; And optimize to the vertical distance of the air outlet on the downside of housing by the center of circle to tubular wine wheel 41, thereby the length of control diffusion section 43 improving air output, thereby the efficient of raising indoor set.And return air inlet has multiple set-up mode, thereby satisfies the return air demand under the different situations.
As shown in Figure 6, the diffusion section 43 of blower fan 40 arranges towards the below, and the wind that blows out from blower fan 40 so directly blows out downwards from the air outlet 12 of indoor set downwards, need not change wind direction, improves the efficient of blower fan.Blower fan 40 is cross flow fan, tubular wine wheel 41 and spiral case 42 that comprising cooperatively interacts arranges, and spiral case 42 is equipped with in housing 10 inside, and the opening of spiral case 42 arranges towards the below, and namely the diffusion section of cross flow fan arranges towards the below.Spiral case 42 comprises front spiral case 42a and rear spiral case 42b, forms between front spiral case 42a and the rear spiral case 42b diffusion section 43 is set towards the below, thereby make the air-flow that blows out from air outlet directly downward.
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 enters easily 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, diffusion section angle 24 degree, flow inlet angle α=184 degree, efflux angles β=176 degree, tubular wine wheel 41 and front spiral case gap delta 1=6mm, tubular wine wheel 41 and rear spiral case gap delta 2=5mm, adopt the two-fold heat exchanger, wind is not 6 diameter 5mm heat exchange U pipe and 10 diameter 5mm heat exchange U pipes, adopts different L, operates in when the most high-grade at air-conditioner, the test data of air quantity is shown in following table one: (long measure is millimeter, and air quantity unit's cubic meter per hour)
Table one: the experimental data of the air quantity under the Different L
| L | | Remarks | |
| 60 | 410 | Air-out volume is unstable | |
| 98 | 594 | ||
| 120 | 617 | ||
| 140 | 573 | ||
| 180 | 445 |
Can draw from the data of upper table one, 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, when the scope of L at 98mm to 140mm, air quantity is obtained than the figure of merit.
As shown in Figure 7, the diffusion angle γ of the diffusion section 43 of cross flow fan (i.e. the angle of the opening between front spiral case 42a and the rear spiral case 42b) is 10 °≤γ≤40 °.With regard to the air-out diffusion angle γ of indoor apparatus of air conditioner, diffusion angle γ designs when too small, and the unit air quantity is too little, wind speed is larger, cause noise of indoor unit of air conditioner excessive, when diffusion angle γ design is too large, when namely the air outlet of unit is too large, air-out speed is too low, the air quantity of unit also reduces to a certain extent, and reasonably diffusion angle setting helps to increase air mass flow, improve air-out effect, reduce noise.
Find that by a series of test when the scope of diffusion angle γ at 10 ° to 40 °, the air output of indoor apparatus of air conditioner and noise are comparatively satisfied, and preferably air quantity noise ratio is arranged.Air-conditioner take a specified refrigerating capacity as 3.5kw is as testing machine, its fan blade diameter 108mm, tubular wine wheel 41 and front spiral case gap delta 1=6mm, tubular wine wheel 41 and rear spiral case gap delta 2=5mm, flow inlet angle α=184 °, efflux angles β=176 °, adopting the two-fold heat exchanger, is respectively heat exchange U pipe and 10 diameter 5mm heat exchange U pipes that 6 diameters are 5mm, adopts different γ angles, operate in when the most high-grade at air-conditioner, air quantity and noise test data are shown in following table two:
Table two: under the different γ angles, the test data of air quantity and noise
| γ (degree) | Air quantity (cubic meter per hour) | Noise (decibel) |
| 10 | 607 | 41.8 |
| 18 | 628 | 41.6 |
| 24 | 633 | 41.5 |
| 28 | 641 | 42.1 |
| 40 | 616 | 41.9 |
From above data, can clearly find out, in the process that diffusion angle γ constantly increases, air quantity and noise all present the trend of first increases and then decreases, also can draw, when diffusion angle γ selects 18 ° to 28 ° of preferred scopes, the air quantity of indoor apparatus of air conditioner has larger lifting, and its air quantity noise is higher than also.
As shown in Figure 7, the minimum clearance δ 1 of spiral case 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 behind the Edge Distance of tubular wine wheel 41.Setting not only can reduce the size of indoor set 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, diffusion section angle 24 degree, 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 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 | 651 | 43.2 | 15.1 |
| 5 | 4 | 304*198 | 648 | 41.3 | 15.7 |
| 6 | 5 | 305*200 | 641 | 40.2 | 15.9 |
| 8 | 9 | 309*211 | 574 | 39.4 | 14.6 |
| 13 | 15 | 315*217 | 482 | 37.2 | 13.0 |
Can find out from above data, when δ 1 and δ 2 are too small, although air quantity noise ratio, 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 both be in scopes more preferably, and the air quantity noise is than also obtaining preferably value.
The flow inlet angle of cross flow fan (short distance is put the angle of the short distance point of the center of circle of tubular wine wheel and front spiral case on the center of circle of tubular wine wheel 41 and the rear spiral case) is α, the efflux angles of cross flow fan (the short distance of the center of circle of tubular wine wheel 41 and drain pan is put the angle at short strong point of the center of circle of tubular wine wheel and front spiral case) 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, so 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, diffusion section angle 24 degree, tubular wine wheel 41 and front spiral case gap delta 1=6mm, tubular wine wheel 41 and rear spiral case gap delta 2=5mm, adopt the two-fold heat exchanger, wind is not 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 shown in following table four: (dimensional units millimeter, air quantity unit's cubic meter are per hour)
Table four: under different α and the β, the test data of air quantity and noise
| α | β | Air quantity | Other problems |
| 120 | 240 | 522 | Air-out volume is unstable, and whoop is arranged |
| 160 | 200 | 587 | |
| 185 | 175 | 634 | |
| 190 | 170 | 628 | |
| 250 | 110 | 541 |
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 °.
The below of heat exchanger 20 is provided with drip tray 30, is provided with heat insulation filler 60 between drip tray 30 and the housing 10, is provided with heat insulation filler 60 between spiral case 42 and the 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 Figs. 5 to 7, 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 angle is 1≤150 ° of 1,20 °≤θ of θ between the two folding heat exchangers up and down.Consider that for improving working (machining) efficiency and heat exchanger structure intensity heat exchanger can not adopt the form of two folding splicings, and adopt the form of one bending, can reduce the indoor set volume simultaneously.
Adopt above-mentioned testing machine, two folding heat exchangers be installed, adjust the angle between the two folding heat exchangers, obtain the experimental data shown in following table five:
Table five: the experimental data under different θ 1 angles
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 °.
As shown in Figure 8, 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.Arrange in the form at above various heat exchangers, in order to guarantee the exchange capability of heat of unit, heat exchanger cross section U pipe number sum is 12 to 24, is preferably 13 to 18.
As shown in figure 11, in order to make air circulation more reasonable and satisfy different air-supply zone requirement, front spiral case 42a and the rear spiral case 42b of diffusion section 43 both sides can be set to curved surface, the angle of the two tangent plane is γ, for expanding blowing area, rear spiral case 42b or its tangent plane can vertically arrange or be obliquely installed with the downside of housing simultaneously.As shown in figure 11, the downside of rear spiral case 42b or its tangent plane and housing is φ.Usually, when unit design air-out zone and return air zone were in the same area, φ was acute angle, when unit return air zone with the air-supply zone during in zones of different, φ is the obtuse angle.Preferably span is 30 to 170 degree.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 shown in following table six.
From the experimental result of following table six, can draw, when angle φ is too small, have backflow phenomenon, affect heat pump performance.And as φ during too small or transition, namely in the 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 the different φ angles
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 timing, 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 air intake zone and air-out 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 ° to 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 spiral case gap delta 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 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 the different ω angles
| ω | The most high-grade air quantity of |
| 40 | 546 |
| 60 | 582 |
| 80 | 628 |
| 100 | 623 |
| 120 | 575 |
Can draw from the data of upper table seven, when ω constantly increases to 120 ° process from 40 °, the most high-grade air quantity first increases and then decreases of unit, as ω during at 60 ° to 100 °, air quantity is obtained than the figure of merit.
Preferably, as shown in figure 12, the return air inlet 11 of indoor set comprises the rear return air inlet 11a that is arranged on housing 10 trailing flanks and is arranged on the upper return air inlet 11b of the upper side of housing 10; Indoor set also comprises the return air cover plate 13 that is arranged on the housing 10, return air cover plate 13 have cover return air inlet 11b so that indoor set from the primary importance of rear return air inlet 11a return air; With cover rear return air inlet 11a so that indoor set from the second place of upper return air inlet 11b return air; And open and make indoor set from upper return air inlet 11b and rear return air inlet 11a the 3rd position of return air simultaneously.By the setting of return air cover plate 13, thereby realize multiple return air form.The return air cover plate that covers rear return air inlet 11a and cover return air inlet 11b can be two parts independently, consider from the versatility that improves part and the angle of saving cost, be designed to a general part with covering rear return air inlet 11a with the return air cover plate that covers upper return air inlet 11b, be that return air cover plate 13 both can cover rear return air inlet 11a, also can cover return air inlet 11b.
Preferably, as shown in Figure 6, be provided with electric heater unit 50 between heat exchanger 20 and the blower fan 40, when heat exchanger 20 can not satisfy when heating demand, can start the under powered problem that electric heater unit 50 remedies heat exchanger 20.
Preferably, aforementioned indoor set is the airduct indoor set, adopts aforesaid design in airduct indoor set field, can more effectively improve airduct indoor set efficient and comfortableness.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to indoor set of the present utility model, arrange towards the below by the diffusion section with blower fan, thereby air outlet can be arranged on the downside of housing, make the air-out direction of indoor set directly downward, effectively solved the general room machine and airduct need to be installed just can make the downward problem of air-out direction, and the comfortableness that has improved air-out efficient and heated; And optimize to the vertical distance of the air outlet on the downside of housing by the center of circle to tubular wine wheel, thereby the length of control diffusion section improving air output, thereby the efficient of raising indoor set.And return air inlet has multiple set-up mode, thereby satisfies the return air demand under the different situations.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and 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., all should be included within the protection domain of the present utility model.
Claims (16)
1. indoor set, comprise housing (10), described housing (10) inside is fixedly installed blower fan (40), the inlet side of described blower fan (40) is provided with heat exchanger (20), be provided with the return air inlet (11) and the air outlet (12) that lay respectively at described heat exchanger (20) both sides on the described housing (10), it is characterized in that
Described return air inlet (11) is arranged on the trailing flank of described housing (10) or on the upper side or be arranged on simultaneously on the trailing flank and upper side of described housing (10);
Described blower fan (40) is cross flow fan, and the diffusion section (43) of described cross flow fan arranges towards the below;
Described cross flow fan comprises tubular wine wheel (41) and the spiral case (42) that cooperatively interacts and arrange, and described spiral case (42) is equipped with in described housing (10) inside;
Described spiral case (42) comprises the front spiral case (42a) of the described diffusion of formation section (43) first sides and the rear spiral case (42b) of the described diffusion of formation section (43) second sides, 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, 60mm≤L≤180mm.
2. indoor set according to claim 1 is characterized in that, 98mm≤L≤140mm.
3. indoor set according to claim 1 is characterized in that,
The below of described heat exchanger (20) is provided with drip tray (30), is provided with heat insulation filler (60) between described drip tray (30) and the described housing (10);
Be provided with heat insulation filler (60) between described spiral case (42) and the described housing (10).
4. indoor set according to claim 3 is characterized in that,
Be included angle between the outer contour of described diffusion section and the downside of described housing, wherein, 30 °≤φ≤170 °.
5. indoor set according to claim 4 is characterized in that, 50 ° of φ≤150 °.
6. indoor set according to claim 3 is characterized in that,
Angle between described front spiral case (42a) and the described rear spiral case (42b) opens to the air side, forms the diffusion angle γ of described diffusion section (43), wherein, and 10 °≤γ≤40 °.
7. indoor set according to claim 6 is characterized in that, 18 °≤γ≤28 °.
8. indoor set according to claim 3 is characterized in that,
The minimum clearance of spiral case (42a) is δ 1 before the Edge Distance of described tubular wine wheel (41), wherein 3mm≤δ 1≤13mm;
The minimum clearance of spiral case (42b) is δ 2 behind the Edge Distance of described tubular wine wheel (41), wherein 3mm≤δ 2≤15mm.
9. indoor set according to claim 8 is characterized in that,
5mm≤δ1≤8mm；
4mm≤δ2≤9mm。
10. indoor set according to claim 3 is characterized in that,
The flow inlet angle of described cross flow fan is α, wherein, and 120 °≤α≤250 °;
The efflux angles of described cross flow fan is β, wherein, and 110 °≤β≤240 °, and alpha+beta≤360 °.
11. indoor set according to claim 10 is characterized in that,
160°≤α≤190°；
170°≤β≤200°。
12. indoor set according to claim 3 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 °.
13. indoor set according to claim 12 is characterized in that, 60 °≤ω≤100 °.
14. indoor set according to claim 1 is characterized in that,
Described return air inlet (11) comprises the upper return air inlet (11b) that is arranged on the rear return air inlet (11a) on described housing (10) trailing flank and is arranged on the upper side of described housing (10);
Described indoor set also comprises the return air cover plate (13) that is arranged on the described housing (10), described return air cover plate (13) have cover described upper return air inlet (11b) so that described indoor set from the primary importance of described rear return air inlet (11a) return air; With cover described rear return air inlet (11a) so that described indoor set from the second place of described upper return air inlet (11b) return air; And open and make described indoor set from described upper return air inlet (11b) and described rear return air inlet (11a) the 3rd position of return air simultaneously.
15. indoor set according to claim 1 is characterized in that, is provided with electric heater unit (50) between described heat exchanger (20) and the described blower fan (40).
16. each described indoor set in 15 is characterized in that described indoor set is the airduct indoor set according to claim 1.
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| CN201210345112.1A Active CN103486667B (en) | 2012-06-13 | 2012-09-14 | Indoor machine |
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| CN 201220475073 Expired - Lifetime CN202747571U (en) | 2012-06-13 | 2012-09-14 | Indoor machine |
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| CN201210343962.8A Pending CN103486666A (en) | 2012-06-13 | 2012-09-14 | Indoor machine |
| CN201210345174.2A Active CN103486668B (en) | 2012-06-13 | 2012-09-14 | Indoor machine |
| CN201220472905.5U Expired - Lifetime CN202747568U (en) | 2012-06-13 | 2012-09-14 | Indoor machine |
| CN201210343881.8A Active CN103486664B (en) | 2012-06-13 | 2012-09-14 | Indoor machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103486668B (en) | 2016-04-20 |
| CN103486711B (en) | 2017-02-08 |
| CN202747571U (en) | 2013-02-20 |
| CN103486666A (en) | 2014-01-01 |
| CN103486664A (en) | 2014-01-01 |
| CN103486667B (en) | 2016-01-20 |
| CN103486664B (en) | 2015-12-09 |
| CN103486711A (en) | 2014-01-01 |
| CN202747570U (en) | 2013-02-20 |
| CN202747572U (en) | 2013-02-20 |
| CN103486712A (en) | 2014-01-01 |
| CN103486712B (en) | 2016-05-25 |
| CN202747569U (en) | 2013-02-20 |
| CN202747483U (en) | 2013-02-20 |
| CN103486667A (en) | 2014-01-01 |
| CN103486668A (en) | 2014-01-01 |
| CN103486669A (en) | 2014-01-01 |
| CN202747485U (en) | 2013-02-20 |
| CN103486669B (en) | 2016-03-23 |
| CN202747482U (en) | 2013-02-20 |
| CN103486665A (en) | 2014-01-01 |
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