CN102644968A - Indoor unit of air-conditioner - Google Patents
Indoor unit of air-conditioner Download PDFInfo
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- CN102644968A CN102644968A CN2012101348681A CN201210134868A CN102644968A CN 102644968 A CN102644968 A CN 102644968A CN 2012101348681 A CN2012101348681 A CN 2012101348681A CN 201210134868 A CN201210134868 A CN 201210134868A CN 102644968 A CN102644968 A CN 102644968A
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- blade
- straightener
- stator
- air conditioner
- indoor apparatus
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Abstract
The invention provides an indoor unit of an air-conditioner, which comprises a casing, blades, a heat exchanger, a volute device and a reflecting device. The blades, the heat exchanger and the volute device are all arranged in an inner chamber of the casing, the blades are cross-flow blades arranged inside the volute device, the volute device is provided with a front tongue and a back tongue, the reflecting device is disposed on the back tongue. The indoor unit of the air-conditioner solves the problem of disturbance noise generated when airflow entering the cross-flow blades abruptly is divided by an intermediate shaft cap and accordingly tone quality of the indoor unit of the air-conditioner is improved.
Description
Technical field
The present invention relates to the technical field of structures of air-conditioning equipment, particularly relate to a kind of indoor apparatus of air conditioner that adopts through-flow fan blade.
Background technology
Indoor apparatus of air conditioner includes casing, fan blade, heat exchanger and air-duct apparatus; Usually, air-duct apparatus adopts the spiral case device, adopts the through-flow fan blade formation ventilating system that matches with the spiral case device.Through-flow fan blade integral body is cylindrical structure spare, and in order to cooperate the size of indoor apparatus of air conditioner length direction, through-flow fan blade integral body is elongated cylindrical shape.Therefore; Common through-flow fan blade adopts the more piece fan blade to process through ultrasonic bonding, has a plurality of middle nodal axisns lids like this in the middle of the through-flow fan blade, when the air inlet entering through-flow fan blade of air from ventilating system; Nodal axisn lid shunting in the air-flow quilt; Thereby produce the unexpected disturbance of air-flow, produce noise, and lower tone.
Summary of the invention
The object of the present invention is to provide a kind of indoor apparatus of air conditioner, reduce air effectively and get into the noise that the unexpected disturbance of through-flow fan blade produces, improve tonequality.
The present invention realizes through following technical scheme:
Indoor apparatus of air conditioner includes casing, fan blade, heat exchanger and spiral case device, and said fan blade, heat exchanger and spiral case device all are arranged in the chassis cavity; Said fan blade is a through-flow fan blade, and it is inner that said through-flow fan blade is arranged on the spiral case device, snail tongue and back snail tongue before said spiral case device is provided with, and wherein, said indoor apparatus of air conditioner also includes fairing, and said fairing is arranged on the snail tongue of back.
Further, said fairing includes the multi-disc straightener(stator) blade, and the back snail tongue of said straightener(stator) blade and spiral case device is one-body molded.
Perhaps, said fairing includes the multi-disc straightener(stator) blade, and said straightener(stator) blade is installed on the back snail tongue of spiral case device movably.
Beneficial effect of the present invention is following:
Indoor apparatus of air conditioner of the present invention, because said through-flow fan blade is arranged on spiral case device inside, snail tongue and back snail tongue before said spiral case device is provided with, said indoor apparatus of air conditioner also includes fairing, and said fairing is arranged on the snail tongue of back.Therefore, indoor apparatus of air conditioner of the present invention solves air-flow and gets into through-flow fan blade suddenly, and the nodal axisn lid divides the disturbance noise of miscarriage in the quilt, has improved the tonequality of indoor apparatus of air conditioner.
Description of drawings
Fig. 1 is the internal structure sketch map of indoor apparatus of air conditioner of the present invention;
Fig. 2 is the cross section structure sketch map of indoor apparatus of air conditioner of the present invention;
Fig. 3 is the Facad structure sketch map of indoor apparatus of air conditioner of the present invention;
Fig. 4 is the local structure for amplifying sketch map in F place of Fig. 3;
Fig. 5 is a nodal axisn lid and straightener(stator) blade position relational structure sketch map among another embodiment of indoor apparatus of air conditioner of the present invention.
Description of reference numerals:
1, indoor apparatus of air conditioner, 2, through-flow fan blade, 21, middle nodal axisn lid, 3, casing, 4, the spiral case device, 40, fairing, 41, spiral case device air outlet, 42, preceding snail tongue, 43, back snail tongue, 401, straightener(stator) blade.
The specific embodiment
Embodiment one:
In order to solve prior art problems, present embodiment has proposed a kind of indoor apparatus of air conditioner 1, like Fig. 1, shown in 2, includes casing 3, fan blade, heat exchanger and spiral case device 4, and said fan blade, heat exchanger and spiral case device 4 all are arranged in casing 3 inner chambers; Said fan blade is a through-flow fan blade 2; Said through-flow fan blade 2 is arranged on spiral case device 4 inside, snail tongue 42 and back snail tongue 43 before said spiral case device 4 is provided with, wherein; Said indoor apparatus of air conditioner 1 also includes fairing 40, and said fairing 40 is arranged on the back snail tongue 43.
Further, said fairing 40 includes multi-disc straightener(stator) blade 401, and said straightener(stator) blade 401 is one-body molded with the back snail tongue 43 of spiral case device 4.
Perhaps, said fairing 40 includes multi-disc straightener(stator) blade 401, and said straightener(stator) blade 401 is installed on the back snail tongue 43 of spiral case device 4 movably.
Said straightener(stator) blade 401 is the angle type.
Owing on the back snail tongue 43 of spiral case device 4, increase straightener(stator) blade 401, get into through-flow fan blade 2 smoothly through the air of over commutation, reduce the disturbance that air gets into through-flow fan blade, noise is low, and tonequality is good.
Like Fig. 2; In order to make straightener(stator) blade 401 rectification effects better; Straightener(stator) blade 401 will be as far as possible near through-flow fan blade 2, and promptly back snail tongue 43 leaves through-flow fan blade 2 closest approaches on straightener(stator) blade 401, in order to guarantee rectification effect; Straightener(stator) blade 401 is near from the distance of through-flow fan blade; Whole back snail tongue (comprising straightener(stator) blade) appears on the straightener(stator) blade 401 with the closest approach of through-flow fan blade 2, and the height of straightener(stator) blade also will have certain requirement simultaneously, takes all factors into consideration the intensity of rectification effect and straightener(stator) blade; Therefore: straightener(stator) blade is straightener(stator) blade root position O with back snail tongue intersection point horizontal level peak, and the scope of the vertical direction distance H between the closest approach A of straightener(stator) blade and through-flow fan blade is: 10mm≤H≤50mm.
Like Fig. 3, the sheet number of straightener(stator) blade 401 is i, the number of nodal axisn lid in 1≤i≤through-flow fan blade; Wherein i round numbers.
Like Fig. 4,, require straightener(stator) blade to align, that is: with the middle nodal axisn lid of through-flow fan blade for straight-vaned through-flow fan blade as far as possible
The center line in the cross section of the middle nodal axisn lid 21 of the center line in the cross section of said straightener(stator) blade 401 and through-flow fan blade is located along the same line.
Perhaps, the center line in the cross section of the middle nodal axisn lid 21 of the center line in the cross section of said straightener(stator) blade 401 and through-flow fan blade is parallel to each other.
Further, the offset distance d of the median plane of the middle nodal axisn lid 21 of the center line in the cross section of said straightener(stator) blade 401 and through-flow fan blade is: 0mm≤d≤5mm.
Further, the root thickness L of said straightener(stator) blade 401 is: 1.2mm≤L≤5mm.
The indoor apparatus of air conditioner of present embodiment adopts straight-vaned through-flow fan blade, H=50mm during experiment; The number i of stream blade equals nodal axisn lid number in the through-flow fan blade, and the center line in both cross sections is parallel, and deviation d equals 0; When root of blade thickness equals 5mm; Compare with existing indoor apparatus of air conditioner, experimental result is following: high-grade noise reduces by 1.8 decibels, and low-grade noise reduces by 0.6 decibel.
The indoor apparatus of air conditioner of present embodiment adopts straight-vaned through-flow fan blade, H=10mm during experiment; The number i of stream blade equals nodal axisn lid number in the through-flow fan blade, and the center line in both cross sections is parallel, and deviation d equals-5; Root of blade thickness equals at 1.2 o'clock; Compare with existing indoor apparatus of air conditioner, experimental result is following: high-grade noise reduces by 0.6 decibel, and low-grade noise reduces by 0.2 decibel.
The indoor apparatus of air conditioner of present embodiment adopts straight-vaned through-flow fan blade, H=30mm during experiment; The number i of stream blade equals 1, and the center line in both cross sections is parallel, and deviation d equals 5; Root of blade thickness equals at 5 o'clock; Compare with existing indoor apparatus of air conditioner, experimental result is following: high-grade noise reduces by 0.4 decibel, and low-grade noise reduces by 0.3 decibel.
Embodiment two:
Like Fig. 5, present embodiment and embodiment one difference are, when some occasion, air-out direction have been done the perhaps through-flow fan blade of the oblique flow blade of use of restriction, that is:
Said straightener(stator) blade 401 is a kind of oblique flow blade; Perhaps, said through-flow fan blade adopts the oblique flow blade.
The median plane of the middle nodal axisn lid 21 of the center line in the cross section of said straightener(stator) blade 401 and through-flow fan blade intersects and is angle theta.
Further, the angle theta of the median plane of the middle nodal axisn lid 21 of the center line in the cross section of said straightener(stator) blade 401 and through-flow fan blade is :-20 degree≤θ≤20 degree.
On the center line in said straightener(stator) blade 401 cross sections apart from d1 be: 0mm≤d1≤6mm apart from what nodal axisn in through-flow fan blade center of circle closest approach and the through-flow fan blade covered median plane.
The indoor apparatus of air conditioner of present embodiment, the through-flow fan blade of employing oblique flow blade during experiment, H=50mm;, the number i of through-flow blade equals 4, and the center line angle theta in both cross sections equals 20 degree; Deviation d1 equals 0.5mm, when root of blade thickness equals 2.5mm, compares with existing indoor apparatus of air conditioner; Experimental result is following: high-grade noise reduces by 1.3 decibels, and low-grade noise reduces by 0.3 decibel.
The indoor apparatus of air conditioner of present embodiment, the through-flow fan blade of employing oblique flow blade during experiment, H=10mm; The number i of through-flow blade equals 8, and the center line angle theta in both cross sections equals-20 degree, and deviation d1 equals 6; Root of blade thickness equals at 1.2 o'clock; Compare with existing indoor apparatus of air conditioner, experimental result is following: high-grade noise reduces by 0.9 decibel, and low-grade noise reduces by 0.3 decibel.
The indoor apparatus of air conditioner of present embodiment, the through-flow fan blade of employing oblique flow blade during experiment, H=35mm; The number i of through-flow blade equals 1, and the center line angle theta in both cross sections equals 0 degree, and deviation d1 equals-6; Root of blade thickness equals at 5 o'clock; Compare with existing indoor apparatus of air conditioner, experimental result is following: high-grade noise reduces by 0.4 decibel, and low-grade noise reduces by 0.1 decibel.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (14)
1. indoor apparatus of air conditioner includes casing, fan blade, heat exchanger and spiral case device, and said fan blade, heat exchanger and spiral case device all are arranged in the chassis cavity; Said fan blade is a through-flow fan blade, and it is inner that said through-flow fan blade is arranged on the spiral case device, and snail tongue and back snail tongue is characterized in that said indoor apparatus of air conditioner also includes fairing before said spiral case device was provided with, and said fairing is arranged on the snail tongue of back.
2. indoor apparatus of air conditioner according to claim 1 is characterized in that said fairing includes the multi-disc straightener(stator) blade, and the back snail tongue of said straightener(stator) blade and spiral case device is one-body molded.
3. indoor apparatus of air conditioner according to claim 1 is characterized in that said fairing includes the multi-disc straightener(stator) blade, and said straightener(stator) blade is installed on the back snail tongue of spiral case device movably.
4. according to claim 2 or 3 described indoor apparatus of air conditioner, it is characterized in that said straightener(stator) blade is the angle type.
5. according to claim 2 or 3 described indoor apparatus of air conditioner; It is characterized in that; Said straightener(stator) blade is straightener(stator) blade root position O with back snail tongue intersection point horizontal level peak, and the scope of the vertical direction distance H between the closest approach A of straightener(stator) blade and through-flow fan blade is: 10mm≤H≤50mm.
6. indoor apparatus of air conditioner according to claim 5 is characterized in that, the sheet number of said straightener(stator) blade is i, the number of nodal axisn lid in 1≤i≤through-flow fan blade; Wherein i round numbers.
7. indoor apparatus of air conditioner according to claim 6 is characterized in that, the center line in the cross section of the middle nodal axisn lid of the center line in the cross section of said straightener(stator) blade and through-flow fan blade is located along the same line.
8. indoor apparatus of air conditioner according to claim 6 is characterized in that, the center line in the cross section of the middle nodal axisn lid of the center line in the cross section of said straightener(stator) blade and through-flow fan blade is parallel to each other.
9. indoor apparatus of air conditioner according to claim 8 is characterized in that, the offset distance d of the median plane of the middle nodal axisn lid of the center line in the cross section of said straightener(stator) blade and through-flow fan blade is: 0mm≤d≤5mm.
10. indoor apparatus of air conditioner according to claim 9 is characterized in that, the root thickness L of said straightener(stator) blade is: 1.2mm≤L≤5mm.
11. indoor apparatus of air conditioner according to claim 5 is characterized in that, said straightener(stator) blade is a kind of oblique flow blade.
12. indoor apparatus of air conditioner according to claim 5 is characterized in that, the median plane of the middle nodal axisn lid of the center line in the cross section of said straightener(stator) blade and through-flow fan blade intersects and is angle theta.
13. indoor apparatus of air conditioner according to claim 12 is characterized in that, the angle theta of the median plane of the middle nodal axisn lid of the center line in the cross section of said straightener(stator) blade and through-flow fan blade is :-20 degree≤θ≤20 degree.
14. indoor apparatus of air conditioner according to claim 13 is characterized in that, on the center line in said straightener(stator) blade cross section apart from what nodal axisn in through-flow fan blade center of circle closest approach and the through-flow fan blade covered median plane apart from d1 is: 0mm≤d1≤6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101348681A CN102644968A (en) | 2012-05-02 | 2012-05-02 | Indoor unit of air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101348681A CN102644968A (en) | 2012-05-02 | 2012-05-02 | Indoor unit of air-conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN102644968A true CN102644968A (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101348681A Pending CN102644968A (en) | 2012-05-02 | 2012-05-02 | Indoor unit of air-conditioner |
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| CN (1) | CN102644968A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864991A (en) * | 2016-05-31 | 2016-08-17 | 珠海格力电器股份有限公司 | Air duct structure and air conditioner |
| CN106152266A (en) * | 2015-04-15 | 2016-11-23 | 青岛海尔空调电子有限公司 | Embedded type air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363427A (en) * | 1989-07-31 | 1991-03-19 | Sanyo Electric Co Ltd | Blower apparatus |
| US5094586A (en) * | 1989-06-23 | 1992-03-10 | Hitachi, Ltd. | Air conditioner employing cross-flow fan |
| JPH06307660A (en) * | 1993-04-26 | 1994-11-01 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP3588251B2 (en) * | 1998-03-24 | 2004-11-10 | 三洋電機株式会社 | Blower |
| CN1796895A (en) * | 2004-12-31 | 2006-07-05 | 三星电子株式会社 | Air discharging apparatus for air conditioning unit |
| JP2008095971A (en) * | 2006-10-05 | 2008-04-24 | Daikin Ind Ltd | Indoor unit of air conditioner |
| JP2011237147A (en) * | 2010-05-13 | 2011-11-24 | Panasonic Corp | Air conditioner |
| CN202561908U (en) * | 2012-05-02 | 2012-11-28 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
-
2012
- 2012-05-02 CN CN2012101348681A patent/CN102644968A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5094586A (en) * | 1989-06-23 | 1992-03-10 | Hitachi, Ltd. | Air conditioner employing cross-flow fan |
| JPH0363427A (en) * | 1989-07-31 | 1991-03-19 | Sanyo Electric Co Ltd | Blower apparatus |
| JPH06307660A (en) * | 1993-04-26 | 1994-11-01 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP3588251B2 (en) * | 1998-03-24 | 2004-11-10 | 三洋電機株式会社 | Blower |
| CN1796895A (en) * | 2004-12-31 | 2006-07-05 | 三星电子株式会社 | Air discharging apparatus for air conditioning unit |
| JP2008095971A (en) * | 2006-10-05 | 2008-04-24 | Daikin Ind Ltd | Indoor unit of air conditioner |
| JP2011237147A (en) * | 2010-05-13 | 2011-11-24 | Panasonic Corp | Air conditioner |
| CN202561908U (en) * | 2012-05-02 | 2012-11-28 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152266A (en) * | 2015-04-15 | 2016-11-23 | 青岛海尔空调电子有限公司 | Embedded type air conditioner |
| CN106152266B (en) * | 2015-04-15 | 2019-02-05 | 青岛海尔空调电子有限公司 | Embedded type air conditioner |
| CN105864991A (en) * | 2016-05-31 | 2016-08-17 | 珠海格力电器股份有限公司 | Air duct structure and air conditioner |
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Application publication date: 20120822 |