CN102828977A - Energy-saving fan - Google Patents
Energy-saving fan Download PDFInfo
- Publication number
- CN102828977A CN102828977A CN201210345934XA CN201210345934A CN102828977A CN 102828977 A CN102828977 A CN 102828977A CN 201210345934X A CN201210345934X A CN 201210345934XA CN 201210345934 A CN201210345934 A CN 201210345934A CN 102828977 A CN102828977 A CN 102828977A
- Authority
- CN
- China
- Prior art keywords
- impeller
- energy
- housing
- air
- saving fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an energy-saving fan, which comprises a shell (1), and a motor (4), a front impeller (7) and a rear impeller (8), which are arranged inside the shell (1), wherein the front impeller (7) and the rear impeller (8) are installed on a rotating shaft (6) of the motor (4), and the flow rate and the wind pressure of the front impeller (7) are smaller than that of the rear impeller (8) under the same rotation speed. Through the rotation of the front impeller (7) and the rear impeller (8), airflow is formed, the air has large air quantity and large air pressure, so that the energy-saving fan has characteristics of an axial flow fan and a centrifugal fan; and moreover, the size is small, the energy consumption is low, and the vibration and noise also can be reduced.
Description
Technical field
The present invention relates to the blower fan technical field, be specifically related to a kind of energy-saving fan.
Background technique
Blower fan is used in fields such as air draft, air-supply and dedusting.In traditional blower fan technical field, blower fan all only uses an impeller, and impeller is fixed on the motor shaft.It is inner that air gets into blower fan from intake grill, and the promotion that receives impeller obtains kinetic energy, forms high velocity air and flow out from exhaust outlet.Wherein, the diameter of impeller is big more, and rotating speed is high more, and the kinetic energy that air-flow obtains is also big more, and blast and air quantity are also high more.In limited space, like tunnel or underground parking garage etc.,, can't arrange big fan impeller because of the restriction of usage space, use a plurality of less fan impellers to realize ventilating and ventilation and have only, not only install and use all conveniently inadequately, and power consumption is big.Existing blower fan also exists noise big, the shortcoming that anti seismic efficiency is bad.
Summary of the invention
The object of the invention promptly is to overcome the deficiency of existing technology, provides a kind of volume little, and air quantity and blast are big, and noise is little, and anti seismic efficiency is good, the energy-saving fan that power consumption is low.
The object of the invention is realized through following technological scheme:
Energy-saving fan, it comprises:
Housing has in the housing and is used for the air passageways that air passes through, and has air suction inlet and air outlet respectively on two shaft end side of air passageways;
Motor, motor are arranged in the housing, and the front-end and back-end of motor are stretched out in the rotating shaft of motor, and rotating shaft is positioned on the axial direction of air passageways;
Preceding impeller, preceding impeller is fixed in the rotating shaft, and the frontal lobe wheel is arranged in housing and near air suction inlet, preceding impeller rotates in housing, is used for outside air is sucked in the housing;
Back impeller, back impeller is fixed in the rotating shaft, and the posterior lobe wheel is arranged in housing and near air outlet, back impeller rotates in housing, is used for the air in the housing is discharged;
Impeller and back impeller are under same rotational speed before said, and the flow of preceding impeller and blast are less than the flow and the blast of back impeller.Inventor of the present invention has studied the flow of preceding impeller and back impeller and the relation between blast and the blower fan air-supply characteristic.Discover, compare with the combination of back impeller, adopt combinations thereof can produce bigger air quantity and blast with the preceding impeller of other form.
Said air suction inlet and air outlet are circular, and the diameter of air suction inlet is less than the diameter of air outlet.Inventor of the present invention has also studied the diameter ratio of air suction inlet and air outlet and the relation between the blower fan air-supply characteristic simultaneously.Discover, compare, adopt above-mentioned diameter specific energy to obtain maximum air quantity and blast with other diameter ratio.
Further, said energy-saving fan also comprises movable body, and movable body is arranged in the air passageways, and movable body comprises sectional area to diminishing front end in end and rearward end, and said motor, preceding impeller and back impeller are arranged in the movable body.
Further, be filled with soft-filler between the front end of described movable body, rearward end and the housing, be used for the friction between reduction activity body and the housing, play the effect of damping.
Further, described outside is enclosed with the antidetonation silencing plate, plays the effect that reduces noise.
Further, described housing is provided with leg.
Further, there is the shaft end side of air suction inlet to be provided with blast cap on the described housing.
Further, have the shaft end side of air outlet to be provided with flange on the described housing, this flange is used for being connected with follow-up pipeline.
Further, the angle of described front end, rearward end and shell inner surface is 25 ° ~ 45 °.
Further, described air suction inlet is 1:1.2 with the diameter ratio of air outlet.
Further, described movable body is fixed in the air passageways through latch.
Advantage of the present invention and beneficial effect are:
1. through the impeller rotation of former and later two particular combination of driven by motor, obtain very big blast and air quantity, not only volume is little, and owing to only use a motor, its power consumption is low;
2. the diameter of air suction inlet and air outlet adopts above-mentioned diameter specific energy to obtain maximum air quantity and blast than being 1:1.2;
3. the be arranged so that installation of the present invention and the maintenance of movable body become simple and easy, only need to remove latch can be from housing extraction activity body, thereby easily motor and impeller are overhauled and change;
4. soft-filler and antidetonation silencing plate play the effect of damping noise reduction.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Wherein, the pairing component name of reference character is called:
The 1-housing, 2-air passageways, 3-air suction inlet, 4-air outlet, 5-motor, 6-rotating shaft; Impeller before the 7-, impeller behind the 8-, the movable body of 9-, 10-latch, 11-soft-filler, 12-antidetonation silencing plate; The 13-leg, 14-blast cap, 15-flange, 91-front end, 92-rearward end.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further, protection scope of the present invention is not limited to the following stated.
Embodiment 1:
As shown in Figure 1, energy-saving fan, it comprises:
This energy-saving fan also comprises motor 5, and motor 5 is arranged in the housing 1, and the front-end and back-end of motor 5 are stretched out in the rotating shaft 6 of motor 5, makes the front-end and back-end of motor 5 can connect load simultaneously, and rotating shaft 6 is positioned on the axial direction of air passageways 2.Before impeller 7 be fixed in the rotating shaft 6, preceding impeller 7 is arranged in housing 1 and near air suction inlet 3; Back impeller 8 is fixed in the rotating shaft 6, and back impeller 8 is arranged in housing 1 and near air outlet 4, and promptly the energy of rotation through preceding impeller 7 and back impeller 8 forms one along the axial air-flow of air passageways 2.In order to guarantee that this air-flow gets into from air suction inlet 3, and discharge from air outlet 4, the installation direction of preceding impeller 7 and back impeller 8 is identical, and its suction end is towards air suction inlet 3, and its exhaust end is towards air outlet 4.
Research through inventor of the present invention; Preceding impeller 7 and back impeller 8 are under same rotational speed; If the flow of preceding impeller 7 and blast are less than the flow and the blast of back impeller 8; This blower fan is in when work, the air quantity at air outlet 4 places and blast air quantity and the blast greater than preceding impeller 7 or when afterwards impeller 8 is with the same rotational speed isolated operation.Impeller 7 is selected T30 type impeller for use before in the present embodiment, plane No. 2.5, and back impeller 8 is selected T40 type impeller, plane No. 3.5 for use.
Overhaul very much for the installation that makes present embodiment and to be more prone to; Present embodiment also is provided with movable body 9; The cross section of movable body 9 is circular, and the external diameter of movable body 9 is slightly less than the internal diameter of air passageways 2, and movable body 9 can be installed in the housing 1; Movable body 9 comprises that sectional area is to diminishing front end 91 in end and rearward end 92; Front end 91 is corresponding with air suction inlet 3, and rearward end 92 is corresponding with air outlet 4, and the end diameter of front end 91 and rearward end 92 is not less than the diameter of air suction inlet 3 and air outlet 4.Above-mentioned motor 5, preceding impeller 7 and back impeller 8 are arranged in the movable body 9.Air gets into through air suction inlet 3, through behind the inner space of movable body 9, is discharged by air outlet 4.This activity body 9 is fixing through latch 10.Latch 10 peg graft with housing 1 on, and contact with the outer surface of front end 91 with rearward end 92, fix movable body 9, just can be after taking out latch 10 freely with movable body 9 taking-ups.
In order to reduce the vibrations of present embodiment, between front end 91, rearward end 92 and the housing 1 of above-mentioned movable body 9, be filled with soft-filler 11.In the present embodiment, this soft-filler 11 is the fire prevention asbestos.In other mode of execution, adopt the higher flexible material of other burning-point also can play the effect identical with the asbestos of preventing fires.
In order to reduce the noise of present embodiment, be wrapped with antidetonation silencing plate 12 in above-mentioned housing 1 external packets, this antidetonation silencing plate 12 is made up of glass wool.In other mode of execution, adopt other sound absorbing material also can play the effect identical with glass wool.
Also be provided with leg 13 on the above-mentioned housing 1.
The shaft end side that above-mentioned housing 1 is provided with air suction inlet 3 is provided with the blast cap 14 that is used to prevent foreign matter entering enclosure interior, offers on the blast cap 14 and air suction inlet 3 corresponding openings.
The shaft end side that above-mentioned housing 1 is provided with air outlet 4 is provided with flange 15, is used for being connected with pipeline.
Above-mentioned front end 91, rearward end 92 are 25 ° ~ 45 ° with the angle of housing 1 internal surface; This angle is used to adjust axial length of the present invention; Under the constant situation of the end diameter of front end 91 and rearward end 92, angle is big more, and axial length of the present invention is short more.According to actual needs, can freely adjust.In the present embodiment, angle is 25 °.
Embodiment 2:
In the present embodiment, preceding impeller 7 adopts T30 type impeller, plane No. 6; Back impeller 8 adopts T35 type impeller; Plane No. 6.3, front end 91, rearward end 92 are 35 ° with the angle of housing 1 internal surface, soft-filler 11 is fire prevention silica gel; Antidetonation silencing plate 12 is made up of acoustical cotton, and all the other technical characteristicss are identical with embodiment 1.
The maximum wind pressure and the maximum quantity of wind of used impeller among the embodiment 1 and 2 have been shown in the following table, and the maximum wind pressure and the maximum quantity of wind of energy-saving fan among the embodiment 1 ~ 3.
Can find out that from last table maximum wind pressure of the present invention and maximum quantity of wind are greater than the maximum wind pressure and the maximum quantity of wind of single impeller.
The present invention compares with traditional blower fan, can produce very high blast and higher air quantity, have the characteristics of axial-flow blower and centrifugal blower concurrently, and volume is little, and energy consumption is low, has realized the minimizing of vibrations and noise simultaneously.
T30, T35 and T40 are the standard series of impeller, and plane No. is represented concrete model, and the impeller of above-mentioned model is general in industry.
Claims (10)
1. energy-saving fan is characterized in that, it comprises:
Housing (1) has air passageways (2) in the housing (1), have air suction inlet (3) and air outlet (4) on two shaft end side of air passageways (2) respectively;
Motor (5), motor (5) are arranged in the housing (1), and the front-end and back-end of motor (5) are stretched out in the rotating shaft (6) of motor (5), and rotating shaft (6) is positioned on the axial direction of air passageways (2);
Before impeller (7), preceding impeller (7) is fixed in the rotating shaft (6), preceding impeller (7) is arranged in housing (1) and near air suction inlet (3);
Back impeller (8), back impeller (8) are fixed in the rotating shaft (6), and back impeller (8) is arranged in housing (1) and near air outlet (4);
Impeller (7) and back impeller (8) are under same rotational speed before said, and the flow of preceding impeller (7) and blast are less than the flow and the blast of back impeller (8);
Said air suction inlet (3) and air outlet (4) are circular, and the diameter of air suction inlet (3) is less than the diameter of air outlet (4).
2. energy-saving fan according to claim 1; It is characterized in that: described energy-saving fan also comprises movable body (9); Movable body (9) is arranged at air passageways (2); Movable body (9) comprises sectional area to diminishing front end in end (91) and rearward end (92), and said motor (5), preceding impeller (7) and back impeller (8) are arranged in the movable body (9).
3. energy-saving fan according to claim 2 is characterized in that: be filled with soft-filler (11) between the front end (91) of described movable body (9), rearward end (92) and the housing (1).
4. energy-saving fan according to claim 1 is characterized in that: described housing (1) external packets is wrapped with antidetonation silencing plate (12).
5. energy-saving fan according to claim 1 is characterized in that: described housing (1) is provided with leg (13).
6. energy-saving fan according to claim 1 is characterized in that: have the shaft end side of air suction inlet (3) to be provided with blast cap (14) on the described housing (1).
7. energy-saving fan according to claim 1 is characterized in that: have the shaft end side of air outlet (4) to be provided with flange (15) on the described housing (1).
8. energy-saving fan according to claim 2 is characterized in that: described front end (91), rearward end (92) are 25 ° ~ 45 ° with the angle of housing (1) internal surface.
9. energy-saving fan according to claim 1 is characterized in that: described air suction inlet (3) is 1:1.2 with the diameter ratio of air outlet (4).
10. energy-saving fan according to claim 2 is characterized in that: described movable body (9) is fixed in the air passageways (2) through latch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345934.XA CN102828977B (en) | 2012-09-18 | 2012-09-18 | Energy-saving fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345934.XA CN102828977B (en) | 2012-09-18 | 2012-09-18 | Energy-saving fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102828977A true CN102828977A (en) | 2012-12-19 |
| CN102828977B CN102828977B (en) | 2014-12-10 |
Family
ID=47332230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210345934.XA Active CN102828977B (en) | 2012-09-18 | 2012-09-18 | Energy-saving fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102828977B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423212A (en) * | 2013-08-29 | 2013-12-04 | 中国矿业大学 | Mine fan |
| CN104329275A (en) * | 2014-11-28 | 2015-02-04 | 德清振达电气有限公司 | High-rotation-speed axial flow fan |
| CN104524879A (en) * | 2015-01-14 | 2015-04-22 | 安徽德赫斯曼环保设备科技有限公司 | Air purifying device |
| CN106738269A (en) * | 2017-02-07 | 2017-05-31 | 南通市恒达机械制造有限公司 | The outdoor steam-cured machine of new-type solar energy adobe humidification |
| CN110420700A (en) * | 2018-09-21 | 2019-11-08 | 浙江芸洁科技有限公司 | A kind of processing method of bletilla striata powder |
| CN111594463A (en) * | 2020-05-21 | 2020-08-28 | 广州文冲船舶修造有限公司 | Pneumatic smoke exhauster |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3830587A (en) * | 1971-12-20 | 1974-08-20 | Hudson Products Corp | Axial flow fan assembly |
| CN2243560Y (en) * | 1996-04-30 | 1996-12-25 | 金恒斌 | Opposite axial blower equipped with two stage impellers with different diameters |
| US6565334B1 (en) * | 1998-07-20 | 2003-05-20 | Phillip James Bradbury | Axial flow fan having counter-rotating dual impeller blade arrangement |
| US20080138199A1 (en) * | 2006-12-12 | 2008-06-12 | Bor-Haw Chang | Fan device capable of increasing air pressure and air supply |
| CN101498312A (en) * | 2009-02-21 | 2009-08-05 | 朱梓瑜 | Double impeller ventilating apparatus with rubber pipe wind pipe |
| CN201593518U (en) * | 2010-01-27 | 2010-09-29 | 福建兢辉环保科技有限公司 | Double impeller evaporation-type air cooler |
-
2012
- 2012-09-18 CN CN201210345934.XA patent/CN102828977B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3830587A (en) * | 1971-12-20 | 1974-08-20 | Hudson Products Corp | Axial flow fan assembly |
| CN2243560Y (en) * | 1996-04-30 | 1996-12-25 | 金恒斌 | Opposite axial blower equipped with two stage impellers with different diameters |
| US6565334B1 (en) * | 1998-07-20 | 2003-05-20 | Phillip James Bradbury | Axial flow fan having counter-rotating dual impeller blade arrangement |
| US20080138199A1 (en) * | 2006-12-12 | 2008-06-12 | Bor-Haw Chang | Fan device capable of increasing air pressure and air supply |
| CN101498312A (en) * | 2009-02-21 | 2009-08-05 | 朱梓瑜 | Double impeller ventilating apparatus with rubber pipe wind pipe |
| CN201593518U (en) * | 2010-01-27 | 2010-09-29 | 福建兢辉环保科技有限公司 | Double impeller evaporation-type air cooler |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423212A (en) * | 2013-08-29 | 2013-12-04 | 中国矿业大学 | Mine fan |
| CN104329275A (en) * | 2014-11-28 | 2015-02-04 | 德清振达电气有限公司 | High-rotation-speed axial flow fan |
| CN104524879A (en) * | 2015-01-14 | 2015-04-22 | 安徽德赫斯曼环保设备科技有限公司 | Air purifying device |
| CN106738269A (en) * | 2017-02-07 | 2017-05-31 | 南通市恒达机械制造有限公司 | The outdoor steam-cured machine of new-type solar energy adobe humidification |
| CN110420700A (en) * | 2018-09-21 | 2019-11-08 | 浙江芸洁科技有限公司 | A kind of processing method of bletilla striata powder |
| CN111594463A (en) * | 2020-05-21 | 2020-08-28 | 广州文冲船舶修造有限公司 | Pneumatic smoke exhauster |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102828977B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102828977B (en) | Energy-saving fan | |
| CN105423511B (en) | Air-duct apparatus applied to clarifier | |
| CN102261341B (en) | Minitype dual-air-out centrifugal fan | |
| CN201443527U (en) | Energy-saving silencing centrifugal fan | |
| CN202579350U (en) | Mixed-flow fire-fighting smoke discharge ventilator | |
| CN202937480U (en) | Multistage impeller centrifugal blower | |
| CN102251985A (en) | Box-type centrifugal fan | |
| CN201916252U (en) | Centrifugal fan with double air outlets | |
| CN202194839U (en) | Small double-air-outlet centrifugal fan | |
| CN201475038U (en) | Fully-mixed flow impeller | |
| CN103696986A (en) | Sleeve type centrifugal dehumidifying and purifying ventilator | |
| CN201386671Y (en) | Axial flow type inducing fan | |
| CN206545597U (en) | A kind of low noise piping lane blower fan | |
| CN202883468U (en) | Floor-stand air conditioner and oblique flow fan thereof | |
| CN215719643U (en) | High-efficient low noise mixed flow fan | |
| CN205019853U (en) | Wall -mounted type air purifier | |
| CN210889371U (en) | Double-impeller axial flow fan | |
| CN204267379U (en) | A kind of novel high-pressure blower air intake pipe structure | |
| CN202511352U (en) | Air exhaust device for range hood | |
| CN207906165U (en) | A kind of quick release large fan denoising device | |
| CN202833291U (en) | Air cooling refrigerator, compact centrifugal fan and air supply system for air cooling refrigerator | |
| CN202194860U (en) | Box type centrifugal fan | |
| CN201723463U (en) | High-total-pressure large-flow-rate inclined-wheel-disc forwards-bending-impeller centrifugal ventilator | |
| CN201875866U (en) | Air duct system and dehumidifier with same | |
| CN201206569Y (en) | Draught fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |