CN1576609A - Blowing machine - Google Patents
Blowing machine Download PDFInfo
- Publication number
- CN1576609A CN1576609A CN 200310118403 CN200310118403A CN1576609A CN 1576609 A CN1576609 A CN 1576609A CN 200310118403 CN200310118403 CN 200310118403 CN 200310118403 A CN200310118403 A CN 200310118403A CN 1576609 A CN1576609 A CN 1576609A
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- external frame
- blower
- turbine cover
- turbine
- cover
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Abstract
The invention provides a blower, comprising an air suction inlet, an air outlet and a turbine cover with a multi-blade fan inside. The turbine cover (40) comprises a first outer contour (121) and a second outer contour (122); wherein the first outer contour (121) is connected with a tongue (90) near the outlet and is shaped like a turbine by the fixed radius; the second outer contour (122) is positioned at the flowing side below the first outer contour (121), and is connected with the first outer contour (121); meanwhile a predetermined amplified angle is also realized.
Description
Technical field
The present invention relates to the blower that in indoor machine of air-conditioner etc., uses.
Background technique
The noise that the blower that uses in indoor machine of air-conditioner etc. is required high efficiency and can suppresses to send from this blower.This blower of the prior art generally has as Fig. 3 to structure shown in Figure 5.
Structure for existing blower describes referring now to Fig. 3 to Fig. 5.
Fig. 3 is the planimetric map that the indoor machine of air-conditioner of existing blower is installed, and Fig. 4 is the sectional drawing of indoor set shown in Figure 3, and Fig. 5 is the sectional drawing of the blower installed on the indoor set body.
As shown in Fig. 3 and Fig. 4, blower is by fan motor 6, and the turbine cover 4 that is fixed on two multiblade fans 3 on the diaxon of fan motor 6 and covers two multiblade fans 3 is respectively formed.Fan motor 6 is installed on the dividing plate 2 of being located at indoor machine of air-conditioner body 1 inside.Running by fan motor 6 makes multiblade fan 3 rotate, and is sent by exhaust port 8 by suction port 7 inhaled airs.
As shown in Figure 5, turbine cover 4 with external frame 10 that tongue 9 is connected on fixing widening angle is being set, by continuous increase from the center 11 of multiblade fan 3 to the excircle of turbine cover 4 apart from a, become the volume of the inside of big turbine cover 4 gradually, thereby form the structure that increases air quantity.
For example on Japanese kokai publication hei 09-310700 communique, just put down in writing the structure of this existing blower.
But, in above-mentioned existing structure owing to begin above-mentionedly to become big continuously apart from a from the part of tongue 9, so that the height h of turbine cover 4 also becomes big.As a result, the height b of blower itself and its indoor set body 1 of installation also correspondingly becomes big.
Summary of the invention
Purpose of the present invention provides a kind of high efficiency and low noise in order to solve above-mentioned problems of the prior art, small-sized blower.
Blower of the present invention has the suction port and the exhaust port of air, and is built-in with the turbine cover of multiblade fan in inside.Its feature is as follows, the turbine cover that is blower is connected with near the tongue that is arranged on exhaust port, and have the 1st external frame that forms the turbine shape with fixing radius and be connected with the 1st external frame, be positioned at the below flow side of the 1st external frame, have the 2nd external frame of predetermined widening angle simultaneously.
For the 1st external frame of this structure, owing to its radius is fixed, so turbine cover can diminish.Therefore, blower body and the height that holds its machine body also can diminish.
Description of drawings
Fig. 1 is mounted in the sectional drawing of the blower of the embodiments of the invention on the machine body;
Fig. 2 is the planimetric map that the machine body (indoor machine of air-conditioner) of the blower of the embodiment of the invention is installed shown in Figure 1;
Fig. 3 is the planimetric map that the air conditioner indoor machine of existing blower is installed;
Fig. 4 is the sectional drawing of indoor set shown in Figure 3;
Fig. 5 is the sectional drawing of the existing blower installed on the indoor set body.
Embodiment
Below, describe with Fig. 1 of embodiments of the invention.Fig. 1 is the sectional drawing that the described blower of embodiments of the invention is installed on machine body, and Fig. 2 is the planimetric map that the machine body of blower is installed shown in Figure 1.Described machine body, for example indoor machine of air-conditioner.
As Fig. 2, blower is by fan motor 60, fixing two multiblade fans 30 and cover turbine cover 40 compositions of these two multiblade fans 30 respectively on the diaxon of fan motor 60.Fan motor 60 is installed on the dividing plate 20 of being located at machine body 100 inside.Running by fan motor 60 makes multiblade fan 30 rotate, and is sent by exhaust port 80 by suction port 70 inhaled airs.When machine body 100 is indoor machine of air-conditioner, regulate to indoor conveying through air conditioner from the air that exhaust port 80 is discharged.
As shown in Figure 1, the turbine cover 40 of blower is realized by following structure for high efficiency also can suppress noise in the embodiments of the invention.Be turbine cover 40 be characterised in that have be arranged on exhaust port 80 near tongue 90 is connected and the 1st external frame 121 of the turbine shape that forms by the radius of fixing, and be connected with the 1st external frame 121, be positioned on the position of below flow side of the 1st external frame 121, have the 2nd external frame 122 of predetermined widening angle simultaneously.
Specifically, as shown in Figure 1, the 1st external frame 121 that is connected with the tongue 90 of turbine cover 40 is to form with fixing radius.Promptly the 1st external frame 121 is to form with predetermined fixed length A1, and A1 is to the distance of the excircle of turbine cover 40 from the center 110 of multiblade fan 30.And, the 2nd external frame 122 be connected with the terminal point of the 1st external frame 121 simultaneously below flow side form.In the 2nd external frame 122, be provided with predetermined widening angle.Promptly the 2nd external frame 122 forms by continuous increase distance A 2, and A2 is to the distance of the excircle of turbine cover 40 from the center 110 of multiblade fan 30.
At this moment, as shown in Figure 1, the 1st external frame 121 constitutes preferably from lingual side, at least to the below of the Vertical direction of turbine cover 40.More particularly, the intersection point 140 of the 1st external frame 121 and the 2nd external frame 122 preferably by the point that intersects to the excircle of the elongation line at the center 110 of multiblade fan 30 and turbine cover 40 from the summit 130 of turbine cover 40 or than this point downwards the point of flow side constitute.
Constitute the blower of embodiments of the invention thus, near near the tongue 90 of turbine cover 40, turbine cover 40 pressure inside reduce, and reduce from inlet hole 70 amount of air drawn.Therefore, even on the 1st external frame 121 that constitutes with fixation radius, the widening angle is not set, can not produce a very large impact the performance of blower yet.So, for the blower of the embodiment of the invention, can not influence the performance of blower substantially, compared with prior art, can reduce the height H of cover body 40.Therefore, relative to existing technologies, the height B that the machine body 100 of blower is housed also can diminish.
In above-mentioned embodiment's as shown in Figure 1 explanation, for the 2nd external frame 122, though the distance A 2 from the center 110 of multiblade fan 30 to the excircle of turbine cover 40 is progressively to become big continuously, also can be on the 2nd external frame 122, the big widening angle of stepped change is set since the intersection point of the 1st external frame 121 and the 2nd external frame.For this structure, with respect to embodiment shown in Figure 1, because turbine cover 40 is diminished, the height that therefore holds its machine body also can significantly diminish.
In addition, for the highest, if near the smaller volume of the turbine cover 40 this summit 130, its wind pushing performance will be affected turbine cover 40 pressure inside at 130 places, summit of turbine cover 40.Therefore, must increase near the summit 130 widening angle.But 130 observe from the summit, owing to diminish with near the internal pressure of tongue 90 turbine covers 40 that are connected, so the top flow side of the 2nd external frame 122 can be littler than the widening angle of below flow side.
According to above-mentioned the present invention, blower of the present invention also can reduce the shape of turbine cover when realizing high efficiency and suppressing noise.Therefore, blower and the height that holds the machine body of this blower can diminish.
Claims (4)
1. blower, it has air suction inlet and exhaust port, and is provided with the turbine cover of multiblade fan in inside, it is characterized in that:
Described turbine cover has the 1st external frame and the 2nd external frame, and near the 1st external frame tongue with being arranged on above-mentioned exhaust port is connected, and formed the shape of turbine by fixation radius; The 2nd external frame is positioned at the below flow side of the 1st external frame, is connected with the 1st external frame, has predetermined widening angle simultaneously.
2. blower as claimed in claim 1 is characterized in that described the 1st external frame is from lingual side, constitutes to the below of the Vertical direction of turbine cover at least.
3. blower as claimed in claim 1, the intersection point that it is characterized in that the 1st external frame and the 2nd external frame be the point that intersects of the excircle of elongation line and the above-mentioned turbine cover at the center that is connected described multiblade fan, the summit by above-mentioned turbine cover or than this point downwards the point of flow side constitute.
4. blower as claimed in claim 1 is characterized in that above-mentioned widening angle is that continuous or stepped change is big.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003198317A JP2005036679A (en) | 2003-07-17 | 2003-07-17 | Blower |
| JP2003198317 | 2003-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1576609A true CN1576609A (en) | 2005-02-09 |
Family
ID=34208127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310118403 Pending CN1576609A (en) | 2003-07-17 | 2003-12-09 | Blowing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005036679A (en) |
| CN (1) | CN1576609A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966598A (en) * | 2011-08-30 | 2013-03-13 | 日立空调·家用电器株式会社 | Multi-wing fan and air conditioner |
| CN101755129B (en) * | 2007-07-17 | 2013-04-03 | 松下电器产业株式会社 | Centrifugal fan |
| WO2017020589A1 (en) * | 2015-07-31 | 2017-02-09 | 中山大洋电机股份有限公司 | Fan |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4720203B2 (en) * | 2005-02-14 | 2011-07-13 | 三菱電機株式会社 | Centrifugal blower, air conditioner |
| JP2006233835A (en) * | 2005-02-24 | 2006-09-07 | Matsushita Electric Ind Co Ltd | Blower |
| WO2020129179A1 (en) * | 2018-12-19 | 2020-06-25 | 三菱電機株式会社 | Centrifugal blower, blowing device, air conditioner, and refrigeration cycle device |
-
2003
- 2003-07-17 JP JP2003198317A patent/JP2005036679A/en active Pending
- 2003-12-09 CN CN 200310118403 patent/CN1576609A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755129B (en) * | 2007-07-17 | 2013-04-03 | 松下电器产业株式会社 | Centrifugal fan |
| CN102966598A (en) * | 2011-08-30 | 2013-03-13 | 日立空调·家用电器株式会社 | Multi-wing fan and air conditioner |
| CN102966598B (en) * | 2011-08-30 | 2015-12-16 | 日立空调·家用电器株式会社 | Multiple-airfoil type blower and air conditioner |
| WO2017020589A1 (en) * | 2015-07-31 | 2017-02-09 | 中山大洋电机股份有限公司 | Fan |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005036679A (en) | 2005-02-10 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20050209 |