CN203083029U - Indoor unit - Google Patents
Indoor unit Download PDFInfo
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- CN203083029U CN203083029U CN 201320071431 CN201320071431U CN203083029U CN 203083029 U CN203083029 U CN 203083029U CN 201320071431 CN201320071431 CN 201320071431 CN 201320071431 U CN201320071431 U CN 201320071431U CN 203083029 U CN203083029 U CN 203083029U
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- outlet
- air
- air blow
- indoor set
- guide plate
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 32
- 230000000694 effects Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 abstract 6
- 239000003570 air Substances 0.000 description 265
- 238000007514 turning Methods 0.000 description 25
- 239000002826 coolant Substances 0.000 description 7
- 238000010009 beating Methods 0.000 description 5
- 239000012080 ambient air Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229920006248 expandable polystyrene Polymers 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model provides an indoor unit which comprises a guide plate, wherein the guide plate is provided with a front edge arranged at the upstream sides of the airflow from an air blower to a heat exchanger and a back edge arranged at the downstream side of the airflow, and a gap is available between the back edge and the heat exchanger. A first air blowing opening is provided with a first side edge part taken as one end part along the extension direction of the first air blowing opening and a second side edge part taken as another end part. The air blower is provided with a plurality of blades, when being positioned at the first air blowing opening side passing through a rotating shaft, each blade moves from the second side edge part to the first side edge part. Along the extension direction of the first air blowing opening, the back edge is arranged at the position which is nearer to the inner side compared with the first side edge of the first air blowing opening. Therefore, the balance of the quantity of the air blown out of the plurality of air blowing openings can be improved.
Description
Technical field
The utility model relates to the indoor set that has a plurality of air blow-off outlets and be arranged at ceiling.
Background technology
In the past, knownly be arranged at ceiling like that and have the indoor set of a plurality of air blow-off outlets just like the ceiling mounting type that is suspended to ceiling, the ceiling imbedded formula etc. of imbedding ceiling.For example the open communique spy of Japan Patent open that flat 10-103702 number (being designated hereinafter simply as patent documentation 1) disclose can be to the ceiling mounting type indoor set of four direction blow out air.This patent documentation 1 disclosed indoor set comprises housing, is arranged at heat exchanger and pressure fan in this housing.Housing is rectangular shape (overlooking rectangular shape), is provided with the air blow-off outlet that is used for to the side blow out air on each limit of housing (each sidewall).
In the indoor set of patent documentation 1, a bight in four bights of rectangular-shaped housing is provided with the conduit space that is used to be provided with the coolant conduits that is connected in heat exchanger, draining pump, drainage duct etc.The turning cover that covers this conduit space covers to compare with other three turnings and will inevitably become big.
Therefore, in this indoor set, the air blow-off outlet adjacent with the turning cover that covers the conduit space is subjected to the restriction of this turning cover sometimes, compares aperture area with other air blow-off outlet and diminishes.In this case, the balanced variation of the air quantity of a plurality of air blow-off outlets.
In addition, even under the identical situation of the aperture area of four air blow-off outlets, because parts such as coolant conduits, draining pump, drainage duct, dividing plate are set in the conduit space, so because these parts are blocked the part of air flow circuit, the air quantity that blows out from the air blow-off outlet adjacent with this turning cover is less than the air quantity that blows out from other air blow-off outlet sometimes.
The utility model content
The purpose of this utility model is to have a plurality of air blow-off outlets and be arranged in the indoor set of ceiling, improves the equilibrium of the air quantity that blows out from a plurality of air blow-off outlets.
Indoor set of the present utility model comprises shell, and rectangular shape when overlooking has first air blow-off outlet that extends along first limit and the second air blow-off outlet that extends along second limit, and is arranged at ceiling; Pressure fan has the rotating shaft that extends along the vertical direction, indoor air is imported in the described housing, and this air is transported to described first air blow-off outlet and the described second air blow-off outlet; Heat exchanger is located between described pressure fan and the described first air blow-off outlet and the described second air blow-off outlet, has along the position of described first air blow-off outlet and the extension of the described second air blow-off outlet; And guide plate, be located at described pressure fan and described heat exchanger along between the part of the described first air blow-off outlet, to guide to the described first air blow-off outlet from the part of air that described pressure fan is carried towards described heat exchanger, wherein, described guide plate has and is positioned at from the leading edge of described pressure fan towards the upstream side of the air-flow of described heat exchanger, trailing edge with the downstream that is positioned at described air-flow, wherein, between described trailing edge and described heat exchanger, be provided with the gap, the described first air blow-off outlet has as first side edge part of the end on the bearing of trend of the described first air blow-off outlet with as second side edge part of the other end, described pressure fan has a plurality of blades, when each blade blows out oral-lateral at first air by described rotating shaft, from the described second side edge part side towards the described first side edge part side shifting, on the bearing of trend of the described first air blow-off outlet, described trailing edge is positioned at first side edge part position more in the inner part than the described first air blow-off outlet.
According to the utility model, can improve the equilibrium of the air quantity that blows out from a plurality of air blow-off outlets.
Description of drawings
Fig. 1 is the stereogram of the related indoor set of an expression embodiment of the present utility model.
Fig. 2 is the upward view of state behind the removal panelling in indoor set shown in Figure 1.
Fig. 3 is the vertical view of state behind the removal top board in indoor set shown in Figure 1.
Fig. 4 is the cutaway view when dissecing indoor set in the position of the IV-IV of Fig. 3 line.
Fig. 5 is the stereogram of the position relation of expression guide plate, electronic device unit and top board.
Fig. 6 is the stereogram of the position relation of expression guide plate, pressure fan, heat exchanger and air blow-off outlet.
Fig. 7 is the vertical view of the position relation of expression guide plate, pressure fan, heat exchanger and air blow-off outlet.
Fig. 8 is the skeleton diagram of the variation of expression guide plate.
The specific embodiment
Below, explain the related indoor set 10 of an embodiment of the present utility model with reference to accompanying drawing.
[overall structure of indoor set]
As depicted in figs. 1 and 2, the related indoor set 10 of present embodiment is to be suspended to ceiling surface T(with reference to Fig. 4) and the ceiling mounting type indoor set of setting.Indoor set 10 comprises: the shell 11 of rectangular shape; The heat exchanger 12 that in shell 11, is provided with in the form of a ring; Be arranged at the pressure fan 13 of the inboard of heat exchanger 12; Be located at the drain pan 24 of the below of heat exchanger 12; Be equipped with the electronic device unit 80 of the electronic component that carries out various controls; And guide plate 70(is with reference to Fig. 3).
Rectangular shape when shell 11 is overlooked (being square in the present embodiment).Be respectively equipped with air blow-off outlet 14(14A～14D) at four sidewalls of shell 11.Four air blow-off outlets 14 extend along four limits of shell 11 respectively.
Shell 11 comprises: have the panelling 16 that sucks grid 17; Top board 19; Cover 40(41～44, four turnings between panelling 16 and top board 19); Four top panels 9 that along continuous straight runs extends between adjacent turning cover 40; And four bottom panels 15 that along continuous straight runs extends between adjacent turning cover 40.Top board 19 forms by the processing panel beating.
Each air blow-off outlet 14 is the peristomes by parts regulation shape that constitutes shell 11 and size.Particularly, in the present embodiment, each air blow-off outlet 14 is the peristomes by the essentially rectangular shape of the turning cover 40 that is positioned at its both sides, top panel 9 and bottom panel 15 regulations.The horizontal wide shape that each air blow-off outlet 14 opening size in horizontal direction is longer than the opening size of above-below direction.For example, the first air blow-off outlet 14A has the side edge part 141,142 at the both ends of the direction (horizontal direction) of extending as the first air blow-off outlet 14A.In the side edge part 141,142 of the horizontal direction both sides of the first air blow-off outlet 14A, first side edge part 141 is by the side end regulation of the 4th turning cover 44, and second side edge part 142 is by the side end regulation of first turning cover 41.
In addition, these side edge parts 141,142 and nonessential side end regulation by the turning cover.Side edge part 141,142 for example also can be by omitting illustrated counter-lateral quadrents panel regulation, and this counter-lateral quadrents panel is connected top panel 9 respectively with bottom panel 15 in both sides on above-below direction.
As shown in Figure 1, be provided with the Ye Men (wind direction board) 29 of the blow-off direction of regulating air at each air blow-off outlet 14.Each leaf door 29 is the horizontal wide shape of extending along the length direction of the air blow-off outlet 14 of correspondence.Each leaf door 29 is connected in motor M(with reference to Fig. 3), M rotates by this motor, is adjusted to required angle.
First bight in four bights in shell 11 is provided with conduit space S 1.This conduit space S 1 separates (with reference to Fig. 3) by dividing plate 61,62 with respect to the space that is provided with pressure fan 13.Conduit space S 1 comprises the connecting portion that is used for the illustrated coolant conduits of omission from the outside of indoor set 10 is connected in heat exchanger 12 and is used to carry out the working space that this is connected operation.In conduit space S 1, be provided with coolant conduits 54, draining pump 51, omit illustrated drainage duct and installation be used for shell 11 be suspended to ceiling hanger bolt hang metalwork 52 etc.Tube sheet 2a, the 2b at the both ends of heat exchanger 12 be arranged at conduit space S 1 near.
Three bights of in shell 11 other, promptly second bight, third angle portion and the 4th bight are formed with space S 2, S3, the S4 that separates with respect to the space that is provided with heat exchanger 12 by thermal insulation barriers 53 respectively.Also be respectively arranged with at these space S 2, S3, S4 and hang metalwork 52.
Be arranged at conduit space S 1 coolant conduits 54, drainage duct, hang parts such as metalwork 52 by by covering with respect to panel 15 dismounting first turning cover 41 freely.Be set in place in metalwork 52 parts such as grade of hanging of the space S 2 in the adjacent corner of conduit space S 1 and covered by second turning cover 42.Equally, metalwork 52 parts such as grade of hanging that are arranged at space S 3 are covered by the 3rd turning cover 43, and metalwork 52 parts such as grade of hanging that are arranged at space S 4 are covered by the 4th turning cover 44.
The size of first turning cover 41 is part or all the sizes that can be arranged at the parts of conduit space S 1 from outer side covers.In addition, in the present embodiment, the size of the 3rd turning cover 43 by making the diagonal angle that is positioned at this first turning cover 41 forms with first turning covers 41 identical sizes, makes four air blow-off outlets 14 be identical aperture area.That is, the size of first turning cover the 41 and the 3rd turning cover 43 is bigger than the size of cover the 42 and the 4th turning, second turning cover 44.
But, as mentioned above, parts such as coolant conduits 54, draining pump 51, the illustrated drainage duct of omission are set in conduit space S 1, and separate with respect to the space that is provided with pressure fan 13 by dividing plate 61,62.Dividing plate 62 be set near the side edge part of conduit space S 1 side of the second air blow-off outlet 14B near the side edge part 142 of conduit space S 1 side of the first space blow-off outlet 14A.
Part towards the air flow circuit of the first air blow-off outlet 14A is blocked by dividing plate 61.Thus, big towards the suffered resistance of other the air of air blow-off outlet 14B～14D respectively towards the suffered resistance ratios of the air of the first air blow-off outlet 14A.Under the situation that is not provided with guide plate 70, the air quantity that blows out from the first air blow-off outlet 14A is littler than the air quantity that the air blow-off outlet 14B～14D from other blows out.Thereby, lack from covering air quantity that the 41 adjacent first air blow-off outlet 14A the blow out air quantity that blows out than air blow-off outlet that becomes easily from other with first turning.
Therefore, in the present embodiment, be provided with the guide plate 70 that the air that will carry towards heat exchanger 12 from pressure fan 13 guides to the first air blow-off outlet 14A.In the present embodiment, because be provided with guide plate 70, guide to the first air blow-off outlet 14A so under the situation that does not have guide plate 70, should be directed to plate 70 towards the part of air of the 4th air blow-off outlet 14D.Thus, because the air quantity that blows out from the first air blow-off outlet 14A increases, so the air quantity inequality is eased.The back is described this guide plate 70 in detail.
Between suction grid 17 and pressure fan 13, be provided with filter 18.On four sidewalls of shell 11, be respectively equipped with air blow-off outlet 14.Each top panel 9 is located at the top of corresponding air blow-off outlet 14, and each bottom panel 15 is located at the below of corresponding air blow-off outlet 14.In the inboard of top panel 9, be provided with thermal insulation barriers 57 along top panel 9 and the top board 19 continuous with it.Thermal insulation barriers 57 is for example formed by Foamexes such as expandable polystyrenes.
As heat exchanger 12, for example can use a plurality of plate-shaped fins are installed the intersection fin-type that forms under the state of many heat pipe quadratures that relative to each other are provided with abreast, but be not limited to this.Heat exchanger 12 plays a role as evaporimeter when cooling operation, plays a role as condenser when the warm running of system.
As shown in Figure 2, this heat exchanger 12 is around the shape of pressure fan 13.Particularly, this heat exchanger 12 extends along four air blow-off outlets 14.In addition, this heat exchanger 12 end of being one side mode of interfering with near the draining pump 51 that prevents and be arranged at described bight is towards the shape of pressure fan 13 sides (being downside in Fig. 2) bending.
Drain pan 24 is recovered in the draining that is produced in the heat exchanger 12.Drain pan 24 is for example formed by Foamexes such as expandable polystyrenes.Drain pan 24 comprises: be positioned at heat exchanger 12 under, can temporarily accommodate the resettlement section 24b of draining; And be positioned at than this resettlement section 24b more by air blow-off outlet 14 sides, constitute the side end 24a of a part of the lower edge of air blow-off outlet 14.Side end 24a is located at the inboard (upside) of bottom panel 15.
As pressure fan 13, for example can use centrifugal blower (turbofan), oblique flow pressure fan etc.Pressure fan 13 has impeller, and described impeller comprises: circular wheel hub 21; Has the wheel cap 22 that air imports the circle of opening at central portion; And be held in a plurality of blades 23 between wheel hub 21 and the wheel cap 22.Be connected with the rotating shaft of fan motor 26 at the wheel hub 21 of pressure fan 13.Downside at wheel cap 22 is provided with the horn mouth 20 that is used for to pressure fan 13 guiding room airs.This horn mouth 20 has the opening slightly littler than the opening of wheel cap 22 at central portion.When the rotation of the impeller of pressure fan 13, indoor air is inhaled in the shell 11 from the suction grid 17 of panelling 16, and by behind the heat exchanger 12, blows out to the side from each air blow-off outlet 14.As shown in Figures 2 and 3, when the impeller of pressure fan 13 rotates, near each blade 23 (pass through along the first air blow-off outlet 14A the first air blow-off outlet 14A time) when the first air blow-off outlet 14A, one side by rotating shaft C is from second side edge part, 142 side direction, first side edge part, 141 side shiftings.
[guide plate]
The part of air that guide plate 70 is used for carrying towards heat exchanger 12 from pressure fan 13 guides to the first air blow-off outlet 14A.As Fig. 3 to shown in Figure 6, guide plate 70 be located between this unit housings 81 and the top board 19 and pressure fan 13 and heat exchanger 12 along between the part 12A of the first air blow-off outlet 14A.
As shown in Figure 3, the spigot surface 74 of guide plate 70 is the shape (towards the shape of air blow-off outlet 14D side depression) towards each blade 23 of pressure fan 13 moving direction depression during by near guide plate 70, and the back side 73 is the shape (towards the shape of air blow-off outlet 14D side projection) towards the moving direction projection of each blade 23 during by near guide plate 70.In the present embodiment, guide plate 70 forms by the processing panel beating, be not to form by as shown in Figure 8 bending machining as described later, from easy processing view, as Fig. 3 and shown in Figure 7, form the shape (towards the shape of air blow-off outlet 14D side depression) of spigot surface 74 towards described moving direction depression by carry out Bending Processing at two positions.
The lower edge of guide plate 70 is connected in the upper surface 81a of unit housings 81, and rising wood is connected in the lower surface of top board 19.Particularly, the rising wood at guide plate 70 is provided with two the bending sheets 75,77 that are used for guide plate 70 is fixed in top board 19.
Bending sheet 77 is side-prominent to face 74 from the location guide of the close leading edge 71 of the rising wood of guide plate 70.Bending sheet 75 is side-prominent to the back side 73 from the position of the close trailing edge 72 of the rising wood of guide plate 70.As shown in Figure 7, on bending sheet 77, be formed with slotted hole 77a, on bending sheet 75, be formed with circular hole 75a.Guide plate 70 is fixed in top board 19 by inserting to lead in the screw of these slotted holes 77a and hole 75a.In addition, because bending sheet 77 has slotted hole 77a, so can in the scope of the opening size of this slotted hole 77a, finely tune to the position of guide plate 70.As shown in Figure 7, the slotted hole 77a of bending sheet 77 to along hole 75a be with bending sheet 75 center circular arc direction or extend with the approaching direction of this direction.
Lower edge at guide plate 70 is provided with the bending sheet 76 that is used for guide plate 70 is fixed in the unit housings 81 of electronic device unit 80.On bending sheet 76, form porose 76a.Guide plate 70 is fixed in unit housings 81 by inserting to lead in the screw of this hole 76a.
Between trailing edge 72 and heat exchanger 12, be provided with clearance G 1.Therefore, as shown in Figure 7,73 air to trailing edge 72 side flow can conflux at clearance G 1 place to the air of trailing edge 72 side flow with along the back side along spigot surface 74.Therefore, 73 the mobile of air towards trailing edge 72 sides become smooth-going along the back side, and can be suppressed at the stagnation of generation air between the back side 73 and the heat exchanger 12 or the space between the back side 73 and the heat exchanger 12 becomes idle space.Thus, can suppress because of the increase of the resistance that guide plate 70 causes is set.In addition, as mentioned above, by in clearance G 1, promote along spigot surface 74 to the air of trailing edge 72 side flow and along the back side 73 to the confluxing of the air of trailing edge 72 side flow, can more effectively increase the air quantity that blows out from the first air blow-off outlet 14A.
In addition, between leading edge 71 and pressure fan 13, be provided with clearance G 2.This clearance G 2 produces the degree of wind noise etc. when being configured to suppress the impeller rotation of pressure fan 13.
As Fig. 3 and shown in Figure 7, the direction of extending on first limit of the bearing of trend D1(shell 11 of the first air blow-off outlet 14A) on, trailing edge 72 is positioned at first side edge part 141 position more in the inner part than the first air blow-off outlet 14A.Particularly, in vertical view shown in Figure 7, drawing vertical with direction D1 and during straight line L1 by first side edge part 141, trailing edge 72 is positioned at the inboard of this straight line L1, i.e. second side edge part, 142 sides (the long side direction central side of air blow-off outlet 14A) (with reference to Fig. 3) of the opposition side of first side edge part 141.Leading edge 71 is positioned at the inboard (the long side direction central side of air blow-off outlet 14A) of trailing edge 72 on direction D1.
In addition, in vertical view shown in Figure 7, the extended line E that has prolonged spigot surface 74 to the first air blow-off outlet 14A side from trailing edge 72 is positioned at than first side edge part 141 of the first air blow-off outlet 14A position of (the long side direction central side of air blow-off outlet 14A) more in the inner part.In the present embodiment, as mentioned above, guide plate 70 forms by panel beating is carried out Bending Processing, so extended line E becomes straight line as shown in Figure 7.
And as shown in Figure 7, when the straight line L2 of draw and rotating shaft C by pressure fan 13 vertical with direction D1 and the straight line L3 by the rotating shaft C and first side edge part 141, guide plate 70 is located in the scope that is surrounded by straight line L2 and straight line L3.Thus, guide plate 70 can more effectively guide to air the first air blow-off outlet 14A.
The guide plate 70 of present embodiment has the angle of attack (about for example spending from the several years to tens) of appointment with respect to the blow-off direction of the air of pressure fan 13.And spigot surface 74 is to be difficult to produce from leading edge 71 to trailing edge the degree that 72 air-flow is peeled off towards the mode bending of described moving direction depression or flexing.The air of pressure fan 13 blows out angle and for example is set to about 20～40 degree.This blows out angle is to blow out the tangential direction angulation of the direction of air-flow with respect to the impeller of circle when overlooking.
As mentioned above, in the present embodiment because be provided with aforesaid guide plate 70, thus can improve the air quantity that blows out from the first air blow-off outlet 14A and the air quantity that blows out from other air blow-off outlets such as the second air blow-off outlet 14B between equilibrium.
And, because between trailing edge 72 and heat exchanger 12, be provided with clearance G 1, thus along spigot surface 74 to the air of trailing edge 72 side flow with 73 air to trailing edge 72 side flow can conflux at clearance G 1 place along the back side.Therefore, compare with the situation that heat exchanger 12 links to each other with the trailing edge 72 of guide plate 70,73 the mobile of air towards trailing edge 72 sides become smooth-going along the back side, and can be suppressed at the stagnation of generation air between the back side 73 and the heat exchanger 12 or the space between the back side 73 and the heat exchanger 12 becomes idle space.Thus, can suppress because of the resistance increase that guide plate 70 causes is set.In addition, as mentioned above, by in clearance G 1, promote along spigot surface 74 to the air of trailing edge 72 side flow and along the back side 73 to the confluxing of the air of trailing edge 72 side flow, can more effectively increase the air quantity that blows out from the first air blow-off outlet 14A.
In addition, in the present embodiment, spigot surface 74 is the shape towards each blade 23 of pressure fan 13 moving direction depression during by near guide plate 70.Thereby, along being towards spigot surface 74 flow air of the shape of described moving direction depression along with towards trailing edge 72 sides, more can near with the vertical direction of bearing of trend D1 of bearing of trend with the first air blow-off outlet 14A of heat exchanger 12.Therefore, the air that the spigot surface 74 by guide plate 70 can be guided more effectively is transported to the first air blow-off outlet 14A.And if along the approaching direction vertical with the bearing of trend of heat exchanger 12 of spigot surface 74 flow air, the resistance when then passing through heat exchanger 12 because of air reduces, so can reduce the input (consumption electric power) of pressure fan 13.
In addition, in the present embodiment, be under the situation of the shape of the described moving direction depression of pressure fan 13 at the spigot surface 74 of guide plate 70, the extended line E that has prolonged spigot surface 74 from trailing edge 72 to the first air blow-off outlet 14A side when overlooking is positioned at first side edge part 141 position more in the inner part than the first air blow-off outlet 14A.Therefore, be endowed direction to the air of trailing edge 72 side flow based on the concave shape of spigot surface 74 along being, so flow to direction easily along extended line E by trailing edge 72 backs towards the spigot surface 74 of the shape of described moving direction depression.In this structure, because extended line E is positioned at first side edge part 141 position more in the inner part than the first air blow-off outlet 14A, so the air by spigot surface 74 guiding more effectively can be transported to the first air blow-off outlet 14A.
In addition, in the present embodiment, adopted the first air blow-off outlet 14A and the second air blow-off outlet 14B to be located at the sidewall of shell 11, shell 11 suspentions are arranged at ceiling, and from the first air blow-off outlet 14A and the second air blow-off outlet 14B ceiling mounting type indoor set to the side blow out air.If more ceiling imbedded formula indoor set and ceiling mounting type indoor set, then in the former ceiling imbedded formula indoor set, the air of carrying towards the heat exchanger 12 of side from pressure fan 13 is by behind the heat exchanger 12, will be below changing in housing, blow out to indoor from the air blow-off outlet of the lower surface (decorative cover) of being located at housing.Therefore, air by heat exchanger 12 back towards below till arriving the air blow-off outlet during because a little mixes with ambient air, diminish so the inequality of the air quantity that blows out from a plurality of air blow-off outlets is compared easily with the ceiling mounting type indoor set.On the other hand, in the latter's ceiling mounting type indoor set, have the first air blow-off outlet 14A and the second air blow-off outlet 14B and be located at the sidewall of shell 11, and from the first air blow-off outlet 14A and the second air blow-off outlet 14B structure to the side blow out air, so the air that has passed through heat exchanger 12 with the almost unmixed state of ambient air under blow out from the air blow-off outlet.Therefore, the ceiling mounting type indoor set is compared with ceiling imbedded formula indoor set, and the uneven of air quantity becomes big easily, so can expect bigger effect by above-mentioned guide plate 70 is set.
In addition, in the present embodiment, guide plate 70 is not only brought into play the effect that air is guided to the first air blow-off outlet 14A and improve the air quantity equilibrium, but also performance is as the effect of ground connection.Thereby, need not to be provided with in addition earthy parts, can reduce component number.
In addition, the utility model is not limited to described embodiment, can carry out various changes, improvement etc. in the scope that does not break away from its purport.
For example, in said embodiment, illustration guide plate 70 by panel beating being carried out the situation that Bending Processing forms at two positions, but be not limited to this.Variation for example shown in Figure 8, guide plate 70 also can be the shapes that is crooked when overlooking.In this variation, spigot surface 74 is the flexure planes towards the moving direction depression of each blade 23 during by near guide plate 70, and the back side 73 is the flexure planes towards the moving direction projection of each blade 23 during by near guide plate 70.And, be the tangent line of trailing edge 72 to the extended line E that the first air blow-off outlet 14A side has prolonged spigot surface 74 from trailing edge 72.
In said embodiment, for example understand ceiling mounting type indoor set with four air blow-off outlets, but the utility model also can be applied to have the ceiling mounting type indoor set of two or three air blow-off outlets, in addition, can also be applied to have the ceiling imbedded formula indoor set of two, three or four air blow-off outlets at lower surface (decorative cover).
In addition, in said embodiment, illustration spigot surface 74 be situation towards the shape of the described moving direction depression of pressure fan 13, but be not limited to this.Spigot surface 74 for example also can be plane etc.
In addition, in said embodiment, illustration when overlooking the extended line E of spigot surface 74 be positioned at situation than first side edge part 141 position more in the inner part of the first air blow-off outlet 14A, but be not limited to this.
In addition, in said embodiment, illustration guide plate 70 situation about playing a role as ground connection, but this effect is not to be essential.
In addition, in said embodiment, for example to understand in order improving because of being blocked the air quantity inequality that causes by dividing plate 61, and, still to be not limited to this in the situation that the first air blow-off outlet 14A is provided with the guide plate 70 of guiding air towards the part of the air flow circuit of the first air blow-off outlet 14A.For example, also can be in order to improve because of the part of a plurality of air blow-off outlets the uneven guide plate 70 that is provided with of the little air quantity that causes of air blow-off outlet aperture area than other.In this case, guide plate 70 is arranged at and other little air blow-off outlet 14 position in opposite directions of aperture area of air blow-off outlet of open area ratio like that with reference to explanations such as Fig. 7, Fig. 8.
In said embodiment, illustration on the bending sheet 77 that is provided with near leading edge 71, be formed with slotted hole, be formed with the situation in circular hole near trailing edge 72 on the bending sheet 75 that is provided with, but be not limited thereto.Slotted hole also can be arranged near on the bending sheet 75 of trailing edge 72.In addition, slotted hole also can be arranged on 75,77 liang of sides of bending sheet.In addition, also can be provided with circular hole rather than slotted hole on two bending sheets 75,77.
[summary of embodiment]
It is as follows to gather described embodiment.
Described indoor set comprises shell, and rectangular shape when overlooking has first air blow-off outlet that extends along first limit and the second air blow-off outlet that extends along second limit, and is arranged at ceiling; Pressure fan has the rotating shaft that extends along the vertical direction, indoor air is imported in the described housing, and this air is transported to described first air blow-off outlet and the described second air blow-off outlet; Heat exchanger is located between described pressure fan and the described first air blow-off outlet and the described second air blow-off outlet, has along the position of described first air blow-off outlet and the extension of the described second air blow-off outlet; And guide plate, be located at described pressure fan and described heat exchanger along between the part of the described first air blow-off outlet, to guide to the described first air blow-off outlet from the part of air that described pressure fan is carried towards described heat exchanger, wherein, described guide plate has and is positioned at from the leading edge of described pressure fan towards the upstream side of the air-flow of described heat exchanger, trailing edge with the downstream that is positioned at described air-flow, wherein, between described trailing edge and described heat exchanger, be provided with the gap, the described first air blow-off outlet has as first side edge part of the end on the bearing of trend of the described first air blow-off outlet with as second side edge part of the other end, described pressure fan has a plurality of blades, when each blade blows out oral-lateral at first air by described rotating shaft, from the described second side edge part side towards the described first side edge part side shifting, on the bearing of trend of the described first air blow-off outlet, described trailing edge is positioned at first side edge part position more in the inner part than the described first air blow-off outlet.
According to this structure, even in the structure of the aperture area with first air blow-off outlet for example less than the aperture area of the second air blow-off outlet, coolant conduits for example, draining pump, parts such as drainage duct are blocked under the situation of air quantity that the structure etc. of the part of the air flow circuit that links to each other with the first air blow-off outlet blows out from the first air blow-off outlet like that and the structure of the balanced variation of the air quantity that blows out from the second air blow-off outlet, because be provided with aforesaid guide plate, so can improve from the equilibrium of the first air blow-off outlet air quantity that blows out and the air quantity that blows out from the second air blow-off outlet.Particularly as described below.
Guide plate be located at pressure fan and heat exchanger along between the part of the first air blow-off outlet.And, blow out and the part of air-flow with speed composition of direction of rotation flows towards guide plate from pressure fan, and be directed to the trailing edge side along this guide plate.Because this trailing edge is positioned at described first side edge part position more in the inner part than the first air blow-off outlet, so the major part that is directed to plate guiding and has passed through the air-flow of trailing edge flows towards the first air blow-off outlet.Thus, the air quantity that blows out from the first air blow-off outlet increases.
And, because between trailing edge and heat exchanger, be provided with the gap, so can conflux in described gap towards the air of trailing edge side flow towards the air of trailing edge side flow and face along the opposite side of the face opposition side that is positioned at this side along the face of a side of the thickness direction of guide plate.Therefore, in this structure, for example with in the situation that is not provided with the gap between trailing edge and the heat exchanger compare, because mobile smooth-going towards the air of heat exchanger, so can be suppressed at the stagnation that produces air between guide plate and the heat exchanger or the space between guide plate and the heat exchanger becomes idle space.Thus, can suppress because of the resistance increase that guide plate causes is set.In addition, as mentioned above, by in described gap, promote along the face of a side of guide plate towards the air of trailing edge side flow with along the face of opposite side towards the confluxing of the air of trailing edge side flow, can increase the air quantity that blows out from the first air blow-off outlet effectively.
According to as can be known above, according to this structure, have a plurality of air blow-off outlets and be arranged in the indoor set of ceiling, can improve the equilibrium of the air quantity that blows out from a plurality of air blow-off outlets.
In described indoor set, comparatively it is desirable to, described guide plate also comprises: spigot surface, between described leading edge and described trailing edge, near the shape of the moving direction depression when being each blade pass of described pressure fan is crossed described guide plate guides to the described first air blow-off outlet with air; And the back side, the face for the opposition side of described spigot surface is the shape to described moving direction projection.
According to this structure because spigot surface is the shape to described moving direction depression, so along this spigot surface flow air smooth-goingly to first air blow out oral-lateral change towards.Thereby the air that the spigot surface by guide plate can be guided more effectively is transported to the first air blow-off outlet.In addition, according to this structure, along be towards the spigot surface of the shape of described moving direction depression to the air of trailing edge side flow with in the gap, conflux to the air of trailing edge side flow along the back side that is towards the shape of described moving direction projection smooth-goingly.
In addition, according to this structure because spigot surface is the shape towards described moving direction depression, thus also can make air by the spigot surface guiding by trailing edge the time towards approaching the direction vertical more with the bearing of trend of heat exchanger.So, if air-flow towards near the direction vertical with the bearing of trend of heat exchanger, the resistance of air during by heat exchanger reduces, so can reduce the input (consumption electric power) of pressure fan.
In addition, spigot surface at guide plate is under the situation of the shape that described moving direction caves in, comparatively it is desirable to, when overlooking, blow out extended line that oral-lateral prolongs from the trailing edge of described guide plate to described first air and be positioned at first side edge part position more in the inner part than the described first air blow-off outlet.
Give direction because be directed to plate to the air of trailing edge side flow, so, flow to direction easily along described extended line by behind the trailing edge along guide plate.According to this structure, because extended line is positioned at first side edge part position more in the inner part than the first air blow-off outlet, so the air by the guide plate guiding more effectively can be transported to the first air blow-off outlet.
In described indoor set, comparatively it is desirable to, described indoor set is the sidewall that described first air blow-off outlet and the described second air blow-off outlet are located at described housing, and the suspention of described housing is arranged at the ceiling mounting type indoor set of ceiling.
If more ceiling imbedded formula indoor set and ceiling mounting type indoor set, then in the former ceiling imbedded formula indoor set, from pressure fan towards air that the heat exchanger of side is carried by behind the heat exchanger, will be below changing in housing, blow out to indoor from the air blow-off outlet of the lower surface (decorative cover) of being located at housing.Therefore, air by behind the heat exchanger towards below till arriving the air blow-off outlet during because a little mixes with ambient air, diminish so the inequality of the air quantity that blows out from a plurality of air blow-off outlets is compared easily with the ceiling mounting type indoor set.On the other hand, in the latter's ceiling mounting type indoor set, have the first air blow-off outlet and the second air blow-off outlet and be located at the sidewall of shell, and from the first air blow-off outlet and the second air blow-off outlet structure to the side blow out air, so the air that has passed through heat exchanger with the almost unmixed state of ambient air under blow out from the air blow-off outlet.Therefore, the ceiling mounting type indoor set is compared with ceiling imbedded formula indoor set, and the uneven of air quantity becomes big easily, so can expect bigger effect by above-mentioned guide plate is set.
Comparatively it is desirable to, described indoor set also comprises: be arranged at the electronic device unit between described pressure fan and the described heat exchanger in described housing, wherein, described housing has metal top board, described electronic device unit has metal unit housings, described guide plate is a metal system, and its bottom is connected in described unit housings and its upper end is connected in described top board, so that the effect of performance ground connection.
According to this structure, guide plate is not only brought into play the effect that air is guided to the first air blow-off outlet and improve the air quantity equilibrium, but also performance is as the effect of ground connection.Thereby, need not to be provided with in addition earthy parts, can reduce component number.
In described indoor set, comparatively it is desirable to, described guide plate has and is arranged near the position of described leading edge with near two bending sheets of the position of described trailing edge, so that described guide plate is fixed in described shell, on one of them bending sheet of described two bending sheets, be formed with the slotting fixing hole that is fixed to shell that is common to, be formed with the slotting fixing slotted hole that is fixed to shell that is common on another bending sheet in described two bending sheets with screw with screw.
According to this structure, on described another bending sheet, be formed with slotted hole, therefore, can in the size range of slotted hole, finely tune the position to guide plate.
Claims (10)
1. indoor set is characterized in that comprising:
Shell, rectangular shape when overlooking has first air blow-off outlet that extends along first limit and the second air blow-off outlet that extends along second limit, and is arranged at ceiling;
Pressure fan has the rotating shaft that extends along the vertical direction, indoor air is imported in the described housing, and this air is transported to described first air blow-off outlet and the described second air blow-off outlet;
Heat exchanger is located between described pressure fan and the described first air blow-off outlet and the described second air blow-off outlet, has along the position of described first air blow-off outlet and the extension of the described second air blow-off outlet; And
Guide plate, be located at described pressure fan and described heat exchanger along between the part of the described first air blow-off outlet, will guide to the described first air blow-off outlet from the part of air that described pressure fan is carried towards described heat exchanger, wherein,
Described guide plate has and is positioned at from described pressure fan towards the leading edge of the upstream side of the air-flow of described heat exchanger be positioned at the trailing edge in the downstream of described air-flow, wherein,
Between described trailing edge and described heat exchanger, be provided with the gap,
The described first air blow-off outlet has as first side edge part of the end on the bearing of trend of the described first air blow-off outlet with as second side edge part of the other end,
Described pressure fan has a plurality of blades, when each blade blows out oral-lateral at first air by described rotating shaft, from the described second side edge part side towards the described first side edge part side shifting,
On the bearing of trend of the described first air blow-off outlet, described trailing edge is positioned at first side edge part position more in the inner part than the described first air blow-off outlet.
2. indoor set according to claim 1 is characterized in that, described guide plate also comprises:
Spigot surface, between described leading edge and described trailing edge, near the shape of the moving direction depression when being each blade pass of described pressure fan is crossed described guide plate guides to the described first air blow-off outlet with air; And
The back side, the face for the opposition side of described spigot surface is the shape to described moving direction projection.
3. indoor set according to claim 1 is characterized in that:
When overlooking, blow out extended line that oral-lateral prolongs from the trailing edge of described guide plate to described first air and be positioned at first side edge part position more in the inner part than the described first air blow-off outlet.
4. indoor set according to claim 2 is characterized in that:
When overlooking, blow out extended line that oral-lateral prolongs from the trailing edge of described guide plate to described first air and be positioned at first side edge part position more in the inner part than the described first air blow-off outlet.
5. indoor set according to claim 1 is characterized in that:
Described indoor set is the sidewall that described first air blow-off outlet and the described second air blow-off outlet are located at described housing, and the suspention of described housing is arranged at the ceiling mounting type indoor set of ceiling.
6. indoor set according to claim 2 is characterized in that:
Described indoor set is the sidewall that described first air blow-off outlet and the described second air blow-off outlet are located at described housing, and the suspention of described housing is arranged at the ceiling mounting type indoor set of ceiling.
7. indoor set according to claim 3 is characterized in that:
Described indoor set is the sidewall that described first air blow-off outlet and the described second air blow-off outlet are located at described housing, and the suspention of described housing is arranged at the ceiling mounting type indoor set of ceiling.
8. indoor set according to claim 4 is characterized in that:
Described indoor set is the sidewall that described first air blow-off outlet and the described second air blow-off outlet are located at described housing, and the suspention of described housing is arranged at the ceiling mounting type indoor set of ceiling.
9. according to each described indoor set in the claim 1 to 8, it is characterized in that also comprising:
In described housing, be arranged at the electronic device unit between described pressure fan and the described heat exchanger, wherein,
Described housing has metal top board,
Described electronic device unit has metal unit housings,
Described guide plate is a metal system, and its bottom is connected in described unit housings and its upper end is connected in described top board, so that the effect of performance ground connection.
10. indoor set according to claim 1 is characterized in that:
Described guide plate has and is arranged near the position of described leading edge with near two bending sheets of the position of described trailing edge, so that described guide plate is fixed in described shell,
On one of them bending sheet of described two bending sheets, be formed with the slotting fixing hole that is fixed to shell that is common to screw,
Be formed with on another bending sheet in described two bending sheets to insert and be common to the fixing slotted hole that is fixed to shell with screw.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-027790 | 2012-02-10 | ||
| JP2012027790A JP5720600B2 (en) | 2012-02-10 | 2012-02-10 | Indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083029U true CN203083029U (en) | 2013-07-24 |
Family
ID=48828862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320071431 Expired - Fee Related CN203083029U (en) | 2012-02-10 | 2013-02-07 | Indoor unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5720600B2 (en) |
| CN (1) | CN203083029U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737354A (en) * | 2016-02-17 | 2016-07-06 | 青岛海尔空调电子有限公司 | Ceiling air conditioner |
| CN110621938A (en) * | 2017-05-24 | 2019-12-27 | 大金工业株式会社 | Indoor unit of air conditioner |
| CN110662923A (en) * | 2017-05-25 | 2020-01-07 | Lg电子株式会社 | Air guide for ceiling-mounted air conditioning equipment and ceiling-mounted air conditioning equipment provided with same |
| CN111295554A (en) * | 2017-09-06 | 2020-06-16 | Lg电子株式会社 | Ceiling type indoor unit of air conditioner |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6458984B2 (en) | 2014-10-10 | 2019-01-30 | 株式会社富士通ゼネラル | Embedded ceiling air conditioner |
| JPWO2016084216A1 (en) * | 2014-11-28 | 2017-05-25 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド | Air conditioner indoor unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121089A (en) * | 1998-10-20 | 2000-04-28 | Hitachi Ltd | Air conditioner |
| JP2004156885A (en) * | 2002-11-08 | 2004-06-03 | Mitsubishi Heavy Ind Ltd | Air-conditioning indoor unit and ceiling embedded air conditioner |
| JP2006226595A (en) * | 2005-02-17 | 2006-08-31 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP4023505B2 (en) * | 2006-02-03 | 2007-12-19 | ダイキン工業株式会社 | Air conditioner |
-
2012
- 2012-02-10 JP JP2012027790A patent/JP5720600B2/en not_active Expired - Fee Related
-
2013
- 2013-02-07 CN CN 201320071431 patent/CN203083029U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737354A (en) * | 2016-02-17 | 2016-07-06 | 青岛海尔空调电子有限公司 | Ceiling air conditioner |
| CN110621938A (en) * | 2017-05-24 | 2019-12-27 | 大金工业株式会社 | Indoor unit of air conditioner |
| CN110621938B (en) * | 2017-05-24 | 2021-05-18 | 大金工业株式会社 | Indoor unit of air conditioner |
| CN110662923A (en) * | 2017-05-25 | 2020-01-07 | Lg电子株式会社 | Air guide for ceiling-mounted air conditioning equipment and ceiling-mounted air conditioning equipment provided with same |
| CN110662923B (en) * | 2017-05-25 | 2021-01-05 | Lg电子株式会社 | Air guide for ceiling-mounted air conditioning equipment and ceiling-mounted air conditioning equipment provided with same |
| US11573013B2 (en) | 2017-05-25 | 2023-02-07 | Lg Electronics Inc. | Air guide for ceiling-type air conditioner and ceiling-type air conditioner having same |
| CN111295554A (en) * | 2017-09-06 | 2020-06-16 | Lg电子株式会社 | Ceiling type indoor unit of air conditioner |
| CN111295554B (en) * | 2017-09-06 | 2021-10-29 | Lg电子株式会社 | Ceiling type indoor unit of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013164219A (en) | 2013-08-22 |
| JP5720600B2 (en) | 2015-05-20 |
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