CN106286350A - Special fan - Google Patents
Special fan Download PDFInfo
- Publication number
- CN106286350A CN106286350A CN201610961709.7A CN201610961709A CN106286350A CN 106286350 A CN106286350 A CN 106286350A CN 201610961709 A CN201610961709 A CN 201610961709A CN 106286350 A CN106286350 A CN 106286350A
- Authority
- CN
- China
- Prior art keywords
- motor
- output shaft
- flabellum
- baffle
- plane
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Special fan, including air intake cover, trousers is installed in the side of air intake cover, motor is installed in the side of trousers, the output shaft of motor is positioned at trousers, the output shaft of motor installs several flabellums, angle between flabellum place plane and the output shaft of motor is α, α=46 degree, the baffle of the present invention has the plane of different gradient, make baffle prior to flabellum cutting steam, frontal airflow is made to coordinate with flabellum after the guiding of baffle, making the angle between flabellum place plane and the output shaft of motor is α, relatively low windage is still kept during α=46 degree, through experiment test, baffle be combined with flabellum after compared to the flabellum not having baffle, the wind-force produced in the case of power is identical improves about 15%, thus substantially increase the wind speed of blower fan under equal-wattage.
Description
Technical field
The present invention relates to a kind of blower fan, more precisely a kind of special fan.
Background technology
Dumper simply understands to be exactly with electric power for driving, and has environmental protection, attractive in appearance and reduce the advantage such as secondary pollution, for phase
Close environmental sanitation Account Dept door to be used.This type of dumper industry of quite being kept a public place clean is welcome in the market.The blower fan of existing dumper
Owing to being affected by friction factor and windage factor, limit the high-speed cruising of the blower fan of dumper, cause the blower fan of dumper
Suction can not reach anticipation level, it is impossible to the foreign material that quick adsorption is heavier or density is excessive.Generally flabellum with turn
Axle clamp angle is the biggest, and the suction of generation is the biggest, but flabellum will produce of a relatively high wind after being more than 45 degree with rotating shaft angle
Resistance, so that the spin down of flabellum.
Summary of the invention
It is an object of the invention to provide a kind of special fan, it is possible to solve above-mentioned problem.
The present invention for achieving the above object, is achieved through the following technical solutions:
Special fan, including air intake cover, trousers is installed in the side of air intake cover, and motor, motor are installed in the side of trousers
Output shaft be positioned at trousers, the output shaft of motor installs several flabellums, between flabellum place plane and the output shaft of motor
Angle be α, α=46 degree, the both sides of flabellum are respectively mounted a baffle, and the cross section of baffle is triangle, baffle
Both sides are respectively provided with the first inclined-plane and the second inclined-plane, and the angle between the first inclined-plane and the output shaft of motor is β, β=78 degree, the
Angle between two inclined-planes and the output shaft of motor is γ, γ=61 degree, and output shaft is that ultra-low friction ferrous metals material is made
Rod-like structure, described ultra-low friction ferrous metals material contained substance mass percent is:
Ferrum: 69%
Carbon: 0.7%；
Chromium: 14%；
Manganese: 6%；
Nitrogen: 0.17%；
Tantalum: 6.5%；
Bismuth: 3.63%.
In order to realize the purpose of the present invention further, it is also possible to by the following technical solutions: the sidepiece peace of described air intake cover
Fill several fin being arranged in a row.The top mounting flange of described air intake cover.
It is an advantage of the current invention that: the baffle of the present invention has the plane of different gradient, the first inclined-plane is defeated with motor
Angle between shaft is β, β=78 degree, and the angle between the second inclined-plane and the output shaft of motor is γ, and γ=61 degree make to lead
Stream block prior to flabellum cutting steam, make frontal airflow coordinate with flabellum after the guiding of baffle, make flabellum place plane and
Angle between the output shaft of motor is α, still keeps relatively low windage, through experiment test, baffle and fan during α=46 degree
Leaf combine after compared to there is no the flabellum of baffle, the wind-force produced in the case of power is identical improves about 15%, thus
Substantially increase the wind speed of blower fan under equal-wattage.We conducted independent test, when only baffle accesses on motor, turn
In the case of speed is 500 revolution per seconds, the wind-force of generation is metre per second (m/s), the angle between flabellum place plane and the output shaft of motor
For α, when being independently accessed on motor during α=46 degree, in the case of rotating speed is 500 revolution per seconds, the wind-force of generation is 8 metre per second (m/s)s, and
When flabellum accesses motor after being combined with baffle, in the case of rotating speed is 500 revolution per seconds, the wind speed of generation is 16 metre per second (m/s)s,
Addition far above the two independent effect.The output shaft of the present invention adds tantalum and bismuth on the basis of ordinary steel, it has been found that
Can substantially reduce the force of sliding friction on steel surface when tantalum and bismuth join in steel at the same time, thus reduce heat production, improve motor
Rotating speed.Confirm through overtesting, when tantalum is separately added in steel, without substantially reducing the force of sliding friction effect on steel surface.When
When bismuth list is separately added in steel, the force of sliding friction on steel surface reduces about 1%, joins in steel after tantalum and bismuth combine
Time, the force of sliding friction on steel surface occurs in that substantially reduction, and different with bismuth proportioning according to tantalum, the force of sliding friction on steel surface reduces
Data are all higher than 2%, when tantalum: 6.5% and bismuth: when 3.63%, and the force of sliding friction reduction rate on steel surface reaches the 5% of peak value,
The motor equal-wattage limit inferior rotating speed of the output shaft made improves about 20%；Thus substantially increase the absorption of special fan
Ability.The present invention also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with the reality of the present invention
Execute example together for explaining the present invention, be not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the present invention.
Mark parts: 1 baffle 5 second inclined-plane 6, air intake cover 2 trousers 3 first inclined-plane 4 flabellum 7 motor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred reality described herein
Execute example be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Special fan, as it is shown in figure 1, include air intake cover 1, trousers 2, the side of trousers 2 are installed in the side of air intake cover 1
Installing motor 7, the output shaft 8 of motor 7 is positioned at trousers 2, and the output shaft 8 of motor 7 installs several flabellum 6, and flabellum 6 place is put down
Angle between the output shaft 8 of face and motor 7 is α, α=46 degree, and the both sides of flabellum 6 are respectively mounted a baffle 4, baffle 4
Cross section be triangle, the both sides of baffle 4 are respectively provided with the first inclined-plane 3 and the second inclined-plane 5, the first inclined-plane 3 and motor 7
Angle between output shaft 8 is β, β=78 degree, and the angle between the second inclined-plane 5 and the output shaft 8 of motor 7 is γ, γ=61
Degree, output shaft 8 is the rod-like structure that ultra-low friction ferrous metals material is made, described ultra-low friction ferrous metals material contents
Matter mass percent is:
Ferrum: 69%
Carbon: 0.7%；
Chromium: 14%；
Manganese: 6%；
Nitrogen: 0.17%；
Tantalum: 6.5%；
Bismuth: 3.63%.
The baffle 4 of the present invention has the plane of different gradient, the angle between the first inclined-plane 3 and the output shaft 8 of motor 7
For β, β=78 degree, the angle between the second inclined-plane 5 and the output shaft 8 of motor 7 is γ, γ=61 degree, makes baffle 4 prior to fan
Leaf 6 cutting steam, makes frontal airflow coordinate with flabellum 6 after the guiding of baffle 4, makes flabellum 6 place plane and motor 7
Angle between output shaft 8 is α, still keeps relatively low windage during α=46 degree, through experiment test, baffle 4 and flabellum 6
Compared to not having the flabellum 6 of baffle 4 after in conjunction with, the wind-force produced in the case of power is identical improves about 15%, thus
Substantially increase the wind speed of blower fan under equal-wattage.We conducted independent test, when only baffle 4 accesses on motor,
In the case of rotating speed is 500 revolution per seconds, the wind-force of generation is 2 metre per second (m/s)s, between flabellum 6 place plane and the output shaft 8 of motor 7
Angle be α, when being independently accessed on motor during α=46 degree, in the case of rotating speed is 500 revolution per seconds, the wind-force of generation be 8 meters every
Second, and when flabellum 6 accesses motor after being combined with baffle 4, in the case of rotating speed is 500 revolution per seconds, the wind speed of generation is 16
Metre per second (m/s), far above the addition of the two independent effect.The output shaft 8 of the present invention adds tantalum and bismuth on the basis of ordinary steel,
We have found that the force of sliding friction that can substantially reduce steel surface when tantalum and bismuth join in steel at the same time, thus reduce heat production,
Improve the rotating speed of motor 7.Confirm through overtesting, when tantalum is separately added in steel, without substantially reducing the sliding friction on steel surface
Power effect.When bismuth list is separately added in steel, the force of sliding friction on steel surface reduces about 1%, adds after tantalum and bismuth combine
When entering in steel, the force of sliding friction on steel surface occurs in that substantially reduction, and different with bismuth proportioning according to tantalum, the slip on steel surface rubs
Wiping power reduces data and is all higher than 2%, when tantalum: 6.5% and bismuth: when 3.63%, the force of sliding friction reduction rate on steel surface reaches peak
The 5% of value, the motor equal-wattage limit inferior rotating speed of the output shaft 8 made improves about 20%；Thus substantially increase special
The absorbability of blower fan.
The sidepiece of described air intake cover 1 installs several fins 9 being arranged in a row.The fin 9 of the present invention is possible to prevent air intake cover 1
Sidewall produce resonance under the action of the forces of the wind.
The top mounting flange 10 of described air intake cover 1.The ring flange 10 of the present invention can facilitate air intake cover 1 access to keep a public place clean
Car.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (3)
1. special fan, it is characterised in that: including air intake cover (1), trousers (2), trousers are installed in the side of air intake cover (1)
(2) motor (7) is installed in side, and the output shaft (8) of motor (7) is positioned at trousers (2), and the output shaft (8) of motor (7) is installed
Several flabellums (6), the angle between the output shaft (8) of flabellum (6) place plane and motor (7) is α, α=46 degree, flabellum (6)
Both sides be respectively mounted a baffle (4), the cross section of baffle (4) is triangle, and the both sides of baffle (4) are respectively provided with
One inclined-plane (3) and the second inclined-plane (5), the angle between the output shaft (8) of the first inclined-plane (3) and motor (7) is β, β=78 degree,
Angle between the output shaft (8) of the second inclined-plane (5) and motor (7) is γ, γ=61 degree, and output shaft (8) is ultra-low friction ferrum
The rod-like structure that metal alkyl materials is made, described ultra-low friction ferrous metals material contained substance mass percent is:
Ferrum: 69%
Carbon: 0.7%；
Chromium: 14%；
Manganese: 6%；
Nitrogen: 0.17%；
Tantalum: 6.5%；
Bismuth: 3.63%.
Special fan the most according to claim 1, it is characterised in that: the sidepiece of described air intake cover (1) installs several lining up
The fin (9) of one row.
Special fan the most according to claim 1, it is characterised in that: the top mounting flange of described air intake cover (1)
(10)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961709.7A CN106286350B (en) | 2016-11-04 | 2016-11-04 | Special fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610961709.7A CN106286350B (en) | 2016-11-04 | 2016-11-04 | Special fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286350A true CN106286350A (en) | 2017-01-04 |
| CN106286350B CN106286350B (en) | 2019-03-05 |
Family
ID=57719826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610961709.7A Active CN106286350B (en) | 2016-11-04 | 2016-11-04 | Special fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286350B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746514A (en) * | 2004-09-06 | 2006-03-15 | 台达电子工业股份有限公司 | Radiating fan and its frame structure |
| CN101078407A (en) * | 2006-05-22 | 2007-11-28 | 台达电子工业股份有限公司 | Fan and impeller thereof |
| CN101135320A (en) * | 2007-09-26 | 2008-03-05 | 北京航空航天大学 | Non-axisymmetric blade tip actuation generator |
| WO2010028441A1 (en) * | 2008-09-11 | 2010-03-18 | Hunter Pacific International Pty Ltd | Extraction fan and rotor |
| CN101871472A (en) * | 2009-04-21 | 2010-10-27 | 建准电机工业股份有限公司 | Fan frame of axial-flow type radiator fan |
| CN102966591A (en) * | 2012-11-14 | 2013-03-13 | 浙江鸿友压缩机制造有限公司 | Axial flow type fluid driving device |
| CN104389798A (en) * | 2014-12-02 | 2015-03-04 | 南通迪瓦特节能风机有限公司 | Axial flow energy-saving fan |
| CN205298059U (en) * | 2015-12-10 | 2016-06-08 | 卧龙电气南阳防爆集团股份有限公司 | Ultra -high pressure coefficient axial fan for generator |
-
2016
- 2016-11-04 CN CN201610961709.7A patent/CN106286350B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746514A (en) * | 2004-09-06 | 2006-03-15 | 台达电子工业股份有限公司 | Radiating fan and its frame structure |
| CN101078407A (en) * | 2006-05-22 | 2007-11-28 | 台达电子工业股份有限公司 | Fan and impeller thereof |
| CN101135320A (en) * | 2007-09-26 | 2008-03-05 | 北京航空航天大学 | Non-axisymmetric blade tip actuation generator |
| WO2010028441A1 (en) * | 2008-09-11 | 2010-03-18 | Hunter Pacific International Pty Ltd | Extraction fan and rotor |
| CN101871472A (en) * | 2009-04-21 | 2010-10-27 | 建准电机工业股份有限公司 | Fan frame of axial-flow type radiator fan |
| CN102966591A (en) * | 2012-11-14 | 2013-03-13 | 浙江鸿友压缩机制造有限公司 | Axial flow type fluid driving device |
| CN104389798A (en) * | 2014-12-02 | 2015-03-04 | 南通迪瓦特节能风机有限公司 | Axial flow energy-saving fan |
| CN205298059U (en) * | 2015-12-10 | 2016-06-08 | 卧龙电气南阳防爆集团股份有限公司 | Ultra -high pressure coefficient axial fan for generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286350B (en) | 2019-03-05 |
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