CN102777402A - Air supply device and air-conditioning indoor unit - Google Patents
Air supply device and air-conditioning indoor unit Download PDFInfo
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- CN102777402A CN102777402A CN2012102382321A CN201210238232A CN102777402A CN 102777402 A CN102777402 A CN 102777402A CN 2012102382321 A CN2012102382321 A CN 2012102382321A CN 201210238232 A CN201210238232 A CN 201210238232A CN 102777402 A CN102777402 A CN 102777402A
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Abstract
The invention discloses an air supply device which comprises a shell, a motor, an oblique flow wind wheel, at least one axial flow wind wheel and a volute, wherein the shell is provided with a cylindrical cavity of which two ends are open; the motor is accommodated in the cylindrical cavity of the shell and is fixed through a motor bracket; the oblique flow wind wheel is arranged at one end of a motor shaft of the motor; the at least one axial flow wind wheel is arranged at the other end of the motor shaft; oblique flow fan blades are arranged on the oblique flow wind wheel; axial flow fan blades are arranged on the axial flow wind wheel; the volute is arranged corresponding to the axial flow wind wheel and the oblique flow wind wheel and is fixed on the inner wall of the shell; the motor bracket is fixed on the inner wall of the shell or the inner wall of the volute; and an air duct is formed by the axial flow fan blades, the oblique flow fan blades and the volute. The inner space of the shell can be effectively used; and meanwhile, the noise is easily reduced to a standard range under the condition that the air quantity is guaranteed, and the air supply distance is farther. The invention also discloses an air-conditioning indoor unit.
Description
Technical field
The present invention relates to air-conditioning technical field, relate in particular to a kind of blast device and indoor apparatus of air conditioner.
Background technique
Existing separated floor air conditioner indoor machine adopts centrifugal fan system or cross flow blower system usually; No matter be to adopt centrifugal fan system or cross flow blower system; Its global shape generally all is the design of adopting rectangular configuration, rather than adopts the design of the higher cylindrical structural of space availability ratio.Its reason is because because the characteristic of internal structure separately, adopts the indoor apparatus of air conditioner of centrifugal fan system to be difficult to its reduced to desirable size, and adopts the indoor apparatus of air conditioner of cross flow blower system to be difficult to its enlarged-diameter to desirable size.Cause indoor apparatus of air conditioner must not adopt the design of rectangular configuration then, caused its inner big quantity space not to be effectively used.
In addition; Also have a kind of indoor apparatus of air conditioner can adopt the cylindrical structural design with axial flow air channel or oblique flow air channel; Can solve the problems of the technologies described above, but this indoor apparatus of air conditioner has that noise is big, air supplying distance short, be difficult to reach shortcoming such as relevant travelling comfort control criterion.
Summary of the invention
Main purpose of the present invention provides blast device and the indoor apparatus of air conditioner that a kind of simple and reasonable, inner space utilization ratio is high, the operation noise is little, air supplying distance is long.
The present invention proposes a kind of blast device, comprising:
One has the housing of the cylindrical cavity of both ends open;
One be placed in the cylindrical cavity of said housing, through the fixing motor of electric machine support;
One is arranged on oblique flow wind wheel and at least one axial-flow windwheel that is arranged on the said motor shaft the other end of motor shaft one end of said motor, and this oblique flow wind wheel is provided with the oblique flow fan blade, and this axial-flow windwheel is provided with axial-flow leaf; And,
With the corresponding spiral case that is provided with, is fixed in said inner walls of said axial-flow windwheel and oblique flow wind wheel;
Wherein, said electric machine support is fixed in said inner walls or spiral case inwall; Said axial-flow leaf, oblique flow fan blade and scroll casing shape become the air channel.
Preferably, the cylindrical tubulose setting of said spiral case, its inner wall smooth.
Preferably, said spiral case comprise corresponding setting with said axial-flow windwheel the first sub-spiral case and with the second sub-spiral case of the corresponding setting of said oblique flow wind wheel, the said first sub-spiral case and the second sub-spiral case connect.
Preferably, said electric machine support is fixed in said cylindrical cavity central axis with motor;
Said motor shaft overlaps with the central shaft of said cylindrical cavity or is parallel.
Preferably, has the gap between the inwall of said spiral case outer wall and said housing.
Preferably, said spiral case along its sectional area radially more than or equal to said housing along 80% of its sectional area radially.
Preferably, said housing is cylindric setting.
Preferably, said housing is the polygon prism shape setting that incline is a fillet.
The present invention also proposes a kind of indoor apparatus of air conditioner, comprises blast device, and this blast device comprises:
One has the housing of the cylindrical cavity of both ends open;
One be placed in the cylindrical cavity of said housing, through the fixing motor of electric machine support;
One is arranged on oblique flow wind wheel and at least one axial-flow windwheel that is arranged on the said motor shaft the other end of motor shaft one end of said motor, and this oblique flow wind wheel is provided with the oblique flow fan blade, and this axial-flow windwheel is provided with axial-flow leaf; And,
With the corresponding spiral case that is provided with, is fixed in said inner walls of said axial-flow windwheel and oblique flow wind wheel;
Wherein, said electric machine support is fixed in said inner walls or spiral case inwall; Said axial-flow leaf, oblique flow fan blade and scroll casing shape become the air channel.
Cylindrical cavity that the housing of blast device of the present invention has and the spiral case that is arranged in this cavity.Make the air channel more effectively utilize the inner space of housing, increased the cross section in air channel, under the prerequisite that guarantees air quantity, reduced generation of noise effectively.Mating reaction through axial-flow windwheel and oblique flow wind wheel makes air output bigger, and air supplying distance is farther.In addition, the blast device of present embodiment also has simple in structure, is convenient to advantages such as loading and unloading and maintenance, can reduce production costs effectively and maintenance cost.
Description of drawings
Fig. 1 is blast device one embodiment's of the present invention package assembly schematic representation;
Fig. 2 is blast device one embodiment's of the present invention blast structural representation;
Fig. 3 is another embodiment's of blast device of the present invention package assembly schematic representation;
Fig. 4 is the package assembly schematic representation of blast device one embodiment's middle shell of the present invention;
Fig. 5 is that blast device one embodiment's middle shell of the present invention is along its cross-sectional view radially;
Fig. 6 is the package assembly schematic representation of another embodiment's middle shell of blast device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Do further explanation below in conjunction with accompanying drawing and specific embodiment with regard to technological scheme of the present invention.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention proposes a kind of blast device.
See figures.1.and.2, Fig. 1 is blast device one embodiment's of the present invention package assembly schematic representation; Fig. 2 is blast device one embodiment's of the present invention blast structural representation.
In the present embodiment; Blast device comprises housing 10, motor 20, electric machine support 30, motor shaft 40, axial-flow windwheel 50, oblique flow wind wheel 60 and spiral case; Wherein, this housing 10 has the cylindrical cavity of a both ends open, and its two opening end is respectively applied for air intake and air-out.Motor 20, electric machine support 30, motor shaft 40, axial-flow windwheel 50, oblique flow wind wheel 60 and spiral case all are contained in the cavity of this housing 10.This electric machine support 30 is fixed in motor 20 in the cavity of housing 10.Motor shaft 40 runs through motor 20, and drives rotation by motor 20.One end of motor shaft 40 is provided with an oblique flow wind wheel 60, and the other end is provided with at least one axial-flow windwheel 50, and this oblique flow wind wheel 60 is provided with oblique flow fan blade 61, and axial-flow windwheel 50 is provided with axial-flow leaf 51.The number of this axial-flow leaf 51 and oblique flow fan blade 61 is no less than 3, to guarantee enough air outputs.The corresponding axial-flow windwheel 50 of spiral case is provided with oblique flow wind wheel 60, and is fixedly connected with the inwall of housing 10.Wherein, above-mentioned electric machine support 30 can be fixed in the inwall of housing 10, also can be fixed in the inwall of spiral case.
Cylindrical cavity that the housing 10 of the blast device of present embodiment has and the spiral case that is arranged in this cavity.Make the air channel more effectively utilize the inner space of housing 10, increased the cross section in air channel, under the prerequisite that guarantees air quantity, reduced generation of noise effectively.Mating reaction through axial-flow windwheel 50 and oblique flow wind wheel 60 makes air output bigger, and air supplying distance is farther.In addition, the blast device of present embodiment also has simple in structure, is convenient to advantages such as loading and unloading and maintenance, can reduce production costs effectively and maintenance cost.
In the above-described embodiments, the cylindrical tubulose setting of spiral case more helps the circulation of air-flow; It is more unobstructed to make that air is carried in the air channel, and in addition, the inwall of this spiral case is smooth setting; Can reduce windage on the one hand, avoid the noise of the out-of-date generation of air flow stream on the other hand.
Based on the foregoing description, spiral case can be the setting of split shape, and spiral case comprises the first sub-spiral case 71 and second sub-spiral case 72, the first sub-spiral cases 71 and axial-flow windwheel 50 corresponding settings, is used to surround axial-flow windwheel 50; The second sub-spiral case 72 and the 60 corresponding settings of oblique flow wind wheel are used to surround oblique flow wind wheel 60, and this first sub-spiral case 71 and the second sub-spiral case 72 connect, and with axial-flow leaf 51 and oblique flow fan blade 61 formation air channels.Wherein, handle through slyness the joint of the first sub-spiral case 71 and the second sub-spiral case 72, reduces windage, avoids producing noise.
The split setting of spiral case can be simplified the flow process of assembling, helps improving the efficient when producing and assembling, and is also for convenience detach during maintenance, reduces the cost of maintenance.
Equally, spiral case also can be and is wholely set, and surrounds axial-flow windwheel 50 and oblique flow wind wheel 60 simultaneously.
In addition, above-mentioned electric machine support 30 can be one-body molded through modes such as mold injection or die casting and spiral case, helps improving producing and the efficient during assembling general degree height.
In the above-described embodiments, electric machine support 30 is fixed in the cylindrical cavity central axis of housing 10 with motor, and promptly this cavity is along the center of its radial cross section.Motor shaft 40 also preferably overlaps with the central shaft of this cylindrical cavity or laterally arranges in addition.To make full use of the inner space of housing 10, the most of space of the cavity of housing 10 becomes the air channel, helps air smooth and easy mobile, and under bigger air channel area made identical air output situation simultaneously, the mean velocity of wind reduced, thus effective controlling noise.
In the above-described embodiments, has the gap between the inwall of spiral case outer wall and housing 10.This gap can effectively stop the noise that produces in the spiral case directly to be passed to housing 10 outsides.Simultaneously, the cold that reduces in the spiral case outwards transmits, and the outer wall that reduces housing 10 produces the condensation phenomenon.
In the above-described embodiments, spiral case along its sectional area radially more than or equal to housing 10 along 80% of its sectional area radially.Become the air channel with the most of space of the cavity that guarantees housing 10, help air smooth and easy mobile, under bigger air channel area made identical air output situation simultaneously, the mean velocity of wind reduced, thus effective controlling noise.
With reference to Fig. 3, Fig. 3 is another embodiment's of blast device of the present invention package assembly schematic representation.
In the present embodiment, an end of motor shaft 40 is provided with on 50, two axial-flow windwheels 50 of two axial-flow windwheels and is equipped with axial-flow leaf 51.An axial-flow windwheel 50 of setting up makes that under motor 20 rotating speed same cases air output increases; In like manner, under the identical prerequisite of air output, rotating speed of motor can reduce, and noise is corresponding just to diminish.Also reduced energy consumption in addition.
In the above-described embodiments, the global shape of housing 10 is cylindric setting.To cooperate the setting of its interior cylindrical cavity, simplified processing process reduces the processing materials.
With reference to Fig. 4 and Fig. 5, Fig. 4 is the package assembly schematic representation of blast device one embodiment's middle shell of the present invention; Fig. 5 is that blast device one embodiment's middle shell of the present invention is along its cross-sectional view radially.
In the above-described embodiments, housing 10 is the polygon prism shape setting that incline is a fillet, and promptly housing is the closed structure that is alternately surrounded by straight line and camber line along its section radially.Can cooperate the setting of housing 10 interior cylindrical cavitys on the one hand, also make housing 10 have enough stability on the other hand.Simultaneously make that also housing 10 profiles are more flexible, diversified, meet aesthetic requirement.
Fig. 6 is the package assembly schematic representation of another embodiment's middle shell of blast device of the present invention.
In the above-described embodiments; Upper half part that housing 10 is used to form the air channel is cylindrical; The part that promptly is used for ccontaining motor 20, electric machine support 30, motor shaft 40, axial-flow windwheel 50, oblique flow wind wheel 60 and spiral case is cylindrical; Lower half portion of housing 10 is a cube, housing 10 by the cube of lower half portion gradually transition be that upper half part is cylindrical.Lower half portion of housing 10 is that cube can be so that the stability of housing 10 be higher, and upper half part be cylindrical also satisfied make full use of housing 10 volume inside, improve the cross section in air channel, thereby increase air output, reduce noise.Increase air supplying distance.
The present invention also proposes a kind of indoor apparatus of air conditioner, and this indoor apparatus of air conditioner comprises blast device, and the concrete structure of this blast device repeats no more at this with reference to the foregoing description.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (9)
1. a blast device is characterized in that, comprising:
One has the housing of the cylindrical cavity of both ends open;
One be placed in the cylindrical cavity of said housing, through the fixing motor of electric machine support;
One is arranged on oblique flow wind wheel and at least one axial-flow windwheel that is arranged on the said motor shaft the other end of motor shaft one end of said motor, and this oblique flow wind wheel is provided with the oblique flow fan blade, and this axial-flow windwheel is provided with axial-flow leaf; And,
With the corresponding spiral case that is provided with, is fixed in said inner walls of said axial-flow windwheel and oblique flow wind wheel;
Wherein, said electric machine support is fixed in said inner walls or spiral case inwall; Said axial-flow leaf, oblique flow fan blade and scroll casing shape become the air channel.
2. blast device as claimed in claim 1 is characterized in that, the cylindrical tubulose setting of said spiral case, its inner wall smooth.
3. blast device as claimed in claim 2 is characterized in that, said spiral case comprise corresponding setting with said axial-flow windwheel the first sub-spiral case and with the second sub-spiral case of the corresponding setting of said oblique flow wind wheel, the said first sub-spiral case and the second sub-spiral case connect.
4. blast device as claimed in claim 3 is characterized in that, said electric machine support is fixed in said cylindrical cavity central axis with motor;
Said motor shaft overlaps with the central shaft of said cylindrical cavity or is parallel.
5. like any described blast device in the claim 1 to 4, it is characterized in that having the gap between the inwall of said spiral case outer wall and said housing.
6. blast device as claimed in claim 5 is characterized in that, said spiral case along its sectional area radially more than or equal to said housing along 80% of its sectional area radially.
7. blast device as claimed in claim 6 is characterized in that said housing is cylindric setting.
8. blast device as claimed in claim 6 is characterized in that, said housing is the polygon prism shape setting that incline is a fillet.
9. an indoor apparatus of air conditioner is characterized in that, comprises any described blast device in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210238232.1A CN102777402B (en) | 2012-07-10 | 2012-07-10 | Air-supply arrangement and indoor apparatus of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210238232.1A CN102777402B (en) | 2012-07-10 | 2012-07-10 | Air-supply arrangement and indoor apparatus of air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102777402A true CN102777402A (en) | 2012-11-14 |
| CN102777402B CN102777402B (en) | 2016-01-20 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964340A (en) * | 2015-05-26 | 2015-10-07 | 广东美的制冷设备有限公司 | Air conditioner |
| CN105526691A (en) * | 2016-01-08 | 2016-04-27 | 广东美的制冷设备有限公司 | Wind guide assembly and axial-flow cabinet |
| CN105526634A (en) * | 2016-01-08 | 2016-04-27 | 广东美的制冷设备有限公司 | Axial-flow cabinet |
| CN105546783A (en) * | 2016-01-08 | 2016-05-04 | 广东美的制冷设备有限公司 | Air guide shell of axial flow cabinet and axial flow cabinet |
| CN105546647A (en) * | 2016-01-08 | 2016-05-04 | 广东美的制冷设备有限公司 | Axial flow cabinet |
| CN105570991A (en) * | 2016-01-08 | 2016-05-11 | 广东美的制冷设备有限公司 | Axial flow cabinet air conditioner |
| CN105674405A (en) * | 2016-03-28 | 2016-06-15 | 美的集团武汉制冷设备有限公司 | Indoor unit of air conditioner |
| CN105899030A (en) * | 2016-05-03 | 2016-08-24 | 广东志高暖通设备股份有限公司 | Electric appliance box and air conditioner |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104964340A (en) * | 2015-05-26 | 2015-10-07 | 广东美的制冷设备有限公司 | Air conditioner |
| CN105546647B (en) * | 2016-01-08 | 2018-11-20 | 广东美的制冷设备有限公司 | Axis stream cabinet-type air conditioner |
| CN105526634A (en) * | 2016-01-08 | 2016-04-27 | 广东美的制冷设备有限公司 | Axial-flow cabinet |
| CN105546783A (en) * | 2016-01-08 | 2016-05-04 | 广东美的制冷设备有限公司 | Air guide shell of axial flow cabinet and axial flow cabinet |
| CN105546647A (en) * | 2016-01-08 | 2016-05-04 | 广东美的制冷设备有限公司 | Axial flow cabinet |
| CN105570991A (en) * | 2016-01-08 | 2016-05-11 | 广东美的制冷设备有限公司 | Axial flow cabinet air conditioner |
| CN105526691A (en) * | 2016-01-08 | 2016-04-27 | 广东美的制冷设备有限公司 | Wind guide assembly and axial-flow cabinet |
| CN105546783B (en) * | 2016-01-08 | 2019-02-01 | 广东美的制冷设备有限公司 | The ventilation case and axis stream cabinet-type air conditioner of axis stream cabinet-type air conditioner |
| CN105570991B (en) * | 2016-01-08 | 2019-02-01 | 广东美的制冷设备有限公司 | Axis stream cabinet-type air conditioner |
| CN105526691B (en) * | 2016-01-08 | 2019-03-26 | 广东美的制冷设备有限公司 | Wind guiding component and axis stream cabinet-type air conditioner |
| CN105674405A (en) * | 2016-03-28 | 2016-06-15 | 美的集团武汉制冷设备有限公司 | Indoor unit of air conditioner |
| CN105674405B (en) * | 2016-03-28 | 2018-10-26 | 美的集团武汉制冷设备有限公司 | Air conditioner indoor unit |
| CN105899030A (en) * | 2016-05-03 | 2016-08-24 | 广东志高暖通设备股份有限公司 | Electric appliance box and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN102777402B (en) | 2016-01-20 |
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