CN104420431A - Air blowing device - Google Patents
Air blowing device Download PDFInfo
- Publication number
- CN104420431A CN104420431A CN201310379686.5A CN201310379686A CN104420431A CN 104420431 A CN104420431 A CN 104420431A CN 201310379686 A CN201310379686 A CN 201310379686A CN 104420431 A CN104420431 A CN 104420431A
- Authority
- CN
- China
- Prior art keywords
- blower
- blowing device
- air outlet
- fan
- area
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H2001/0881—Details for pneumatically dislodging or removing not related to the mouth-piece
Abstract
The invention discloses an air blowing device. The air blowing device comprises a main engine casing, a motor which is arranged inside the main engine casing, a fan which is driven to rotate through a motor, a switch which controls start and stop of the motor and an air blowing pipe which is connected with the main engine casing; the air blowing pipe comprises an air inlet which is close to the fan and an air outlet which is far from the fan; the main engine casing comprises a volute which accommodates the fan; the area of the air outlet is from 1600 to 2000 square millimeter; the linear distance between the air outlet and the center of the volute is from 650mm to 850mm. the air blowing device is high in utilization efficiency.
Description
Technical field
The present invention relates to a kind of blowing device, particularly relate to a kind of blowing device comprising blower.
Background technology
Blowing device is a kind of outdoor burnisher, consider by the grass on ground, the rubbish such as branches and leaves, crotch blows out a pile mainly through blowing so that carry out follow-up pulverizing, pack or other process.Existing blowing device mostly comprises host shell, motor, fan, switch and blower, and wherein, blower is mostly pipe or elliptical tube, pipe or the easier die sinking of elliptical tube shaping, but the service efficiency of existing blowing device be all difficult to always improve.
In view of this, be necessary to develop a kind of new blowing device, can airflow effects be improved under the prerequisite additionally not increasing manufacturing cost, improve the service efficiency of blowing device entirety.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of blowing device with higher service efficiency.
Technical scheme of the present invention is: a kind of blowing device, comprise host shell, be arranged at the motor in described host shell, the fan rotated is driven by described motor, control the switch that described motor opens and closes, and the blower to be connected with described host shell, described blower comprises near the air intake of described fan and the air outlet away from described fan, and described host shell comprises the volute holding fan; The area of described air outlet is 1600 ~ 2000mm
2, the air line distance at the center of described air outlet and described volute is 650mm ~ 850mm.Preferably, described air outlet is elliptical shape.
Preferably, described elliptical shape air outlet comprises major axis and minor axis, and the ratio of described major axis and minor axis is 2:1 ~ 3:1.Adopt the elliptical shape air outlet under this proportion further can improve the aspect of blowing efficiency of blowing device.
Preferably, the area of described blower air intake is greater than the area of described air outlet.Air-flow area when flowing out through air outlet diminishes suddenly, and the air velocity that air outlet can be made to blow out is accelerated, and improves aspect of blowing efficiency.
Preferably, the area of described blower air intake is 2500 ~ 3300mm
2.
Preferably, described blower air outlet is dismountable is connected with blow gun annex, and profile and the described blower of described blow gun annex adapt, and the sectional area of the free end of described blow gun annex is less than the area of blower air outlet.Blow gun annex is installed on blower, blower can be made to have another air-out speed, thus make the application scenario of blowing device more extensive.
Preferably, described blower comprises the first blower and the second blower; Described first blower is connected with described second blower is dismountable.Blower is divided into dismountable two parts, can is that the packaging of blowing device saves space, is also convenient to the transport of blowing device.
Preferably, the number of blade of described fan is 9.
Preferably, the diameter of described fan is 104 ~ 115mm.Adopt this specific fan, match with the air outlet of blowing device particular area scope of the present invention, further can improve the service efficiency of blowing device.
Compared with prior art, blowing device provided by the present invention is by controlling the area of blower air outlet, the service efficiency of blowing device can be improved, simultaneously, by blower air outlet area in blowing device with optimum shape air outlet, and the cooperatively interacting of fan, the service efficiency of blowing device can be made to reach best.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structure chart of blowing device in the first embodiment;
Fig. 2 is the structure chart of blowing device blower in the first embodiment.
Wherein:
1, host shell 2, blower 3, volute
4, switch 5, handle 6, support
7, power brick 21, air intake 22, air outlet
23, the first blower 24, second blower 25, blow gun annex
Detailed description of the invention
The present invention comes out with a kind of blowing device, with reference to shown in Fig. 1, the first embodiment is as the preferred embodiment of the present invention, blowing device comprises host shell 1, be arranged at the motor (not shown) in host shell, the fan (not shown) rotated is driven by motor, control the switch 4 that motor opens and closes, and the blower 2 to be connected with host shell 1, wherein, host shell 1 comprises the volute 3 holding fan (not shown), switch 4 is arranged on handle 5, blower 2 is dismountable to be connected on host shell 1, in addition, in this embodiment, blowing device also comprises for motor provides the power brick 7 of power, and support blowing device and blowing device can be allowed to shelve convenient support 6, by power brick 7 for blowing device provides the energy, make blowing device environmental protection more, more easy to use.
In the blowing device of the first embodiment, with reference to shown in Fig. 2, blower 2 comprises the first blower 23 and the second blower 24, first blower 23 is connected with the second blower 24 is dismountable; First blower 23 comprises the first link of being connected with the second blower and the air intake 21 away from the second blower; Second blower 24 comprises the second link of being connected with the first blower 23 and the air outlet 22 away from the first blower 23; Wherein, the area of air outlet 22 is 1600 ~ 2000mm
2, the air line distance (shown in distance L in Fig. 1) between the center of air outlet 22 and volute 3 is 650mm ~ 850mm, and concrete, the air line distance between the center of air outlet 22 and volute 3 is 750mm.The service efficiency of this blowing device is significantly improved, and the raising of service efficiency is effectively proved by relevant test data.
Concrete testing scheme is: be divided into 1.5m with plank wide, the concrete floor passage that 10m is long, is paved with fresh leaf, from same direction, is blown clean along its length by the fresh leaf in passage in passage; Especially by the area value (m of blowing device blown fresh leaf per minute
2/ min) weigh the service efficiency of blowing device.
In contrast embodiment, blowing device comprises host shell equally, be arranged at the motor in host shell, the fan rotated is driven by motor, hold the volute of fan, control the switch that motor opens and closes, and the blower to be connected with host shell, concrete, blower is also identical with described in the first embodiment of the present invention, and comprise the first blower and the second blower, the air line distance between air outlet and the center of volute is similarly 750mm, difference is, the air outlet area of blowing device is respectively 585mm
2, 765mm
2, 860mm
2, 1110mm
2and 1300mm
2.
The contrast blowing device of embodiment and the blowing device service efficiency test data of the first embodiment of the present invention is listed respectively in table 1, as can be seen from the table, the blowing device service efficiency of the first embodiment of the present invention is obviously higher than the service efficiency of blowing device in contrast embodiment.
Table 1
In the blowing device of the first embodiment, preferred, air outlet 22 is elliptical shape, and the major axis of elliptical shape and the ratio of minor axis are 2:1 ~ 3:1, and further preferably, the major axis of elliptical shape and the ratio of minor axis are 2.5:1; The area of air intake 21 is greater than the area of air outlet 22, is 2500 ~ 3300mm
2, further preferably, air-admitting surface is 2500mm
2.In addition, the number of blade of blowing device fan used is 9, and the diameter of fan blade is 104 ~ 115mm, and further preferably, the diameter of fan blade is 107 ~ 109mm; By arranging the air outlet of special requirement, and matching with the fan of special requirement, the service efficiency of blowing device can be made to reach best.
By air outlet shape further preferably, the service efficiency of blowing device can be made to be further enhanced, effectively can be proved equally by relevant test data, testing scheme is with described in above.
Table 2
| Major axis long (mm) | 56 | 80 | 116 |
| Minor axis long (mm) | 45.5 | 32 | 22 |
| Axial ratio | 1.2 | 2.5 | 5.3 |
| Service efficiency (m 2/min） | 5.62 | 6.22 | 5.62 |
For air outlet area is similarly 2000mm in table 2
2air outlet shape is similarly elliptical shape, air line distance between the center of air outlet 22 and volute 3 is similarly 750mm, but the service efficiency test data of three kinds of blowing devices that air outlet elliptical shape major axis is different from minor axis ratio contrasts, as can be seen from the table, when major axis and minor axis ratio are 2.5, the service efficiency of blowing device is the blowing device of 1.2 and 5.3 apparently higher than major axis and minor axis ratio, illustrate for air outlet elliptical shape further preferably, the service efficiency of blowing device can be improved further.
In the second embodiment of the present invention, blowing device comprises host shell, is arranged at the motor in host shell, the fan rotated is driven by motor, control the switch that motor opens and closes, and the blower be connected with host shell, host shell comprises the volute holding fan.Wherein, be with the difference of the first embodiment, blowing device also comprises blow gun annex, and blow gun annex is connected with blower is dismountable.With reference to shown in Fig. 2, blower 2 comprises the first blower 23 and the second blower 24, first blower 23 is connected with the second blower 24 is dismountable; First blower 23 comprises the first link of being connected with the second blower and the air intake 21 away from the second blower; Second blower 24 comprises the air outlet 22 that the second link of being connected with the first blower 23 is connected with away from the first blower 23 and with blow gun annex 25; Blow gun annex 25 comprises the 3rd link that is connected with the second blower 24 and the free end away from the second blower 24.
In the third embodiment of the present invention, blowing device comprises host shell, is arranged at the motor in host shell, the fan rotated is driven by motor, control the switch that motor opens and closes, and the blower be connected with host shell, host shell comprises the volute holding fan.Wherein, be with the difference of the first embodiment, blower be one non-dismountable be the entirety of the first blower and the second blower, blower comprises near the air intake of described fan and the air outlet away from described fan.
In 4th kind of embodiment of the present invention, blowing device comprises host shell, is arranged at the motor in host shell, the fan rotated is driven by motor, control the switch that motor opens and closes, and the blower be connected with host shell, host shell comprises the volute holding fan.Wherein, be with the difference of the third embodiment, blowing device also comprises blow gun annex, and blow gun annex is connected with blower is dismountable.
Although inventor has done more detailed elaboration to technical scheme of the present invention and has enumerated, be to be understood that, to those skilled in the art, above-mentioned embodiment to be modified and/or flexible or adopt equivalent replacement scheme to be obvious, all can not depart from the essence of spirit of the present invention, the term occurred in the present invention, for the elaboration of technical solution of the present invention and understanding, can not be construed as limiting the invention.
Claims (9)
1. a blowing device, comprise host shell, be arranged at the motor in described host shell, the fan rotated is driven by described motor, control the switch that described motor opens and closes, and the blower to be connected with described host shell, described blower comprises near the air intake of described fan and the air outlet away from described fan, and described host shell comprises the volute holding fan; It is characterized in that: the area of described air outlet is 1600 ~ 2000mm
2, the air line distance at the center of described air outlet and described volute is 650mm ~ 850mm.
2. blowing device as described in claim 1, is characterized in that: described air outlet is elliptical shape.
3. blowing device as described in claim 2, it is characterized in that: described elliptical shape air outlet comprises major axis and minor axis, the ratio of described major axis and minor axis is 2:1 ~ 3:1.
4. blowing device as described in claim 1, is characterized in that: the area of described blower air intake is greater than the area of described air outlet.
5. blowing device as described in claim 1, is characterized in that: the area of described blower air intake is 2500 ~ 3300mm
2.
6. blowing device as described in claim 1, it is characterized in that: described blower air outlet is dismountable is connected with blow gun annex, profile and the described blower of described blow gun annex adapt, and the sectional area of the free end of described blow gun annex is less than the area of blower air outlet.
7. blowing device as claimed in claim 1, is characterized in that: described blower comprises the first blower and the second blower; Described first blower is connected with described second blower is dismountable.
8. blowing device as described in claim 1, is characterized in that: the number of blade of described fan is 9.
9. blowing device as described in claim 1, is characterized in that: the diameter of described fan is 104 ~ 115mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379686.5A CN104420431B (en) | 2013-08-28 | 2013-08-28 | Blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379686.5A CN104420431B (en) | 2013-08-28 | 2013-08-28 | Blowing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104420431A true CN104420431A (en) | 2015-03-18 |
| CN104420431B CN104420431B (en) | 2016-08-10 |
Family
ID=52970494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310379686.5A Active CN104420431B (en) | 2013-08-28 | 2013-08-28 | Blowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104420431B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603924A (en) * | 2016-03-11 | 2016-05-25 | 宁波爱乐吉电动工具股份有限公司 | Blowing-sucking machine |
| WO2017045577A1 (en) * | 2015-09-18 | 2017-03-23 | 苏州宝时得电动工具有限公司 | Air blowing device |
| CN108797480A (en) * | 2017-04-26 | 2018-11-13 | 苏州宝时得电动工具有限公司 | A kind of hair-dryer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644606A (en) * | 1985-04-08 | 1987-02-24 | Mcculloch Corporation | Lawn/garden blower/vacuum |
| US6003199A (en) * | 1998-03-10 | 1999-12-21 | The Toro Company | Air concentrator nozzle for portable blower |
| CN1788168A (en) * | 2003-06-05 | 2006-06-14 | 星光化工机株式会社 | Centrifugal blower |
| JP2010084393A (en) * | 2008-09-30 | 2010-04-15 | Husqvarna Zenoah Co Ltd | Air duct of blower and the blower |
| WO2011130061A2 (en) * | 2010-04-12 | 2011-10-20 | Leseman Davis, Llc | Device, method, and system to separate liquid and particulate matter from the air stream of a centrifugal fan |
| CN102889240A (en) * | 2011-07-22 | 2013-01-23 | 重庆圣锦汽车配件有限公司 | Internal volute for fans |
| CN102966065A (en) * | 2012-12-07 | 2013-03-13 | 中联重科股份有限公司 | Blowing nozzle for blowing snow and snow snowing vehicle |
-
2013
- 2013-08-28 CN CN201310379686.5A patent/CN104420431B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644606A (en) * | 1985-04-08 | 1987-02-24 | Mcculloch Corporation | Lawn/garden blower/vacuum |
| US6003199A (en) * | 1998-03-10 | 1999-12-21 | The Toro Company | Air concentrator nozzle for portable blower |
| CN1788168A (en) * | 2003-06-05 | 2006-06-14 | 星光化工机株式会社 | Centrifugal blower |
| JP2010084393A (en) * | 2008-09-30 | 2010-04-15 | Husqvarna Zenoah Co Ltd | Air duct of blower and the blower |
| WO2011130061A2 (en) * | 2010-04-12 | 2011-10-20 | Leseman Davis, Llc | Device, method, and system to separate liquid and particulate matter from the air stream of a centrifugal fan |
| CN102889240A (en) * | 2011-07-22 | 2013-01-23 | 重庆圣锦汽车配件有限公司 | Internal volute for fans |
| CN102966065A (en) * | 2012-12-07 | 2013-03-13 | 中联重科股份有限公司 | Blowing nozzle for blowing snow and snow snowing vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017045577A1 (en) * | 2015-09-18 | 2017-03-23 | 苏州宝时得电动工具有限公司 | Air blowing device |
| CN105603924A (en) * | 2016-03-11 | 2016-05-25 | 宁波爱乐吉电动工具股份有限公司 | Blowing-sucking machine |
| CN108797480A (en) * | 2017-04-26 | 2018-11-13 | 苏州宝时得电动工具有限公司 | A kind of hair-dryer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104420431B (en) | 2016-08-10 |
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