CN108953193A - A kind of noise-reduction type fiberglass blower fan - Google Patents
A kind of noise-reduction type fiberglass blower fan Download PDFInfo
- Publication number
- CN108953193A CN108953193A CN201810961871.8A CN201810961871A CN108953193A CN 108953193 A CN108953193 A CN 108953193A CN 201810961871 A CN201810961871 A CN 201810961871A CN 108953193 A CN108953193 A CN 108953193A
- Authority
- CN
- China
- Prior art keywords
- impeller
- spiral case
- blade
- noise
- glass
- 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.)
- Pending
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
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
The invention discloses a kind of noise-reduction type fiberglass blower fans, including spiral case, motor and impeller, impeller to be set in spiral case, and motor is fixed on the side plate of spiral case, and the output shaft of motor is connected with impeller；Air inlet is provided on another side plate opposite with above-mentioned motor installation side plate on the spiral case, air inlet is sequentially installed with filter and heater from outside to inside, the spiral case and impeller is all made of glass reinforced plastic and is made, spiral case is double-layer structure, it is made of glass outer steel sheel and inner layer glass steel sheel, is wherein formed with closed cavity between glass outer steel sheel and inner layer glass steel sheel；Noise reduction through-hole is provided on the blade of impeller, the density of noise reduction through-hole is gradually successively decreased from root of blade to blade outer rim.The configuration of the present invention is simple, excellent noise reduction effect, and have many advantages, such as light heat preservation, wear-resisting, body, anticorrosion, low in cost, raw material be easy to get, social and economic benefits and good.
Description
Technical field
The present invention relates to a kind of blowers, more specifically to a kind of noise-reduction type fiberglass blower fan.
Background technique
Glass reinforced plastic, i.e. fiber-reinforced plastic refer generally to glass fiber reinforcement unsaturated polyester, epoxy resin and phenolic aldehyde tree
Aliphatic radical body.Make the reinforced plastics of reinforcing material with glass fibre or its product, appellation is fiberglass reinforced plastics, or meaning glass
Glass steel pays attention to being distinguished with tempered glass.Since used resin variety is different, there are organic toughened glass, epoxy glass
The title of glass steel and phenolic fiberglass reinforced plastics.Light and hard, non-conductive and performance is stablized.High mechanical strength recycles less and corrosion resistant
Erosion, can replace steel manufacture machine part and automobile, ship housing etc..
Fiberglass blower fan refers to the blower of glass steel material, and appearance, size are identical with steel blower, only shell
It is glass steel material with impeller, its biggest characteristic is that corrosion-resistant, acid and alkali-resistance, belongs to one kind of corrosive resistant fan.Fan body at present
The noise generated when operating is also very big, and strong noise has an impact to operator's physical and mental health, therefore is badly in need of solving the problem above-mentioned.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the present invention to overcome the above mentioned deficiencies, a kind of noise-reduction type fiberglass blower fan is provided, using the present invention
Technical solution, structure is simple, excellent noise reduction effect, and there is light wear-resisting, body, anticorrosion, low in cost, raw material to be easy to get, society
Can be good in economic efficiency the advantages that.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of noise-reduction type fiberglass blower fan of the invention, including spiral case, motor and impeller, the impeller are set to spiral case
Interior, the motor is fixed on the side plate of spiral case, and the output shaft of motor is connected with impeller；On the spiral case with it is upper
It states and is provided with air inlet on another opposite side plate of motor installation side plate, the air inlet is sequentially installed with from outside to inside
Filter and heater, the spiral case and impeller are all made of glass reinforced plastic and are made, and the spiral case is double-layer structure, by outer layer glass
Glass steel sheel and inner layer glass steel sheel are constituted, and are wherein formed between glass outer steel sheel and inner layer glass steel sheel closed
Cavity；Be provided with noise reduction through-hole on the blade of the impeller, the density of noise reduction through-hole from root of blade to blade outer rim gradually
Successively decrease.
Further, the impeller includes preceding wheel disc, rear trochal disc, wheel hub and blade, and the wheel hub is removably
It is mounted on the center of rear trochal disc, the mounting hole section of the wheel hub is regular hexagon；The blade is provided with muti-piece, muti-piece
Spacing with blades it is circumferentially distributed between preceding wheel disc and rear trochal disc, and reinforcing ring (4) are installed on by blade between muti-piece blade
Mode connects.
Further, the surface of the spiral case and impeller is provided with wearing layer.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) a kind of noise-reduction type fiberglass blower fan of the invention, air inlet be sequentially installed with from outside to inside filter and
Heater, filter play the role of filtering bulky grain, reduce the abrasion of spiral case and impeller, extend using effect, heater
It is heated in the presence of to the air-flow for entering spiral case, to meet the use needs of different use environments；
(2) a kind of noise-reduction type fiberglass blower fan of the invention, spiral case is double-layer structure, by glass outer steel sheel and interior
Layer glass steel shell is constituted, and ensure that structural strength and rigidity, and after inner layer glass steel sheel is worn can continue to make
With prolonging the service life, closed cavity, closed cavity be wherein formed between glass outer steel sheel and inner layer glass steel sheel
In the presence of so that spiral case heat preservation and soundproof effect it is good, noise reduction can be played the role of；
(3) a kind of noise-reduction type fiberglass blower fan of the invention is provided with noise reduction through-hole on the blade of impeller, and noise reduction hole makes
Fraction flows to the non-working surface of blade from the working face of blade, and non-working surface boundary layer is made to change, and reduces blade point
From area size and turbulence intensity, achieve the effect that reduce noise, the density of noise reduction through-hole from root of blade to blade outer rim by
Gradually successively decrease, further improves the turbulence level in the flow field of blade；
(4) a kind of noise-reduction type fiberglass blower fan of the invention, spiral case and impeller are all made of glass reinforced plastic and are made, spiral case and leaf
The surface of wheel is provided with wearing layer, there is light wear-resisting, body, anticorrosion, low in cost, raw material to be easy to get, economic results in society
The advantages that good.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of noise-reduction type fiberglass blower fan of the invention.
Label declaration in schematic diagram: 1, motor；21, glass outer steel sheel；22, inner layer glass steel sheel；23, closed
Cavity；24, air inlet；31, blade；32, preceding wheel disc；33, rear trochal disc；34, wheel hub；4, reinforcing ring；5, filter；6, it heats
Device.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, a kind of noise-reduction type fiberglass blower fan of the present embodiment, including spiral case, motor 1 and impeller, impeller setting
In in spiral case, motor is fixed on the side plate of spiral case, and the output shaft of motor is connected with impeller, and wherein impeller includes front-wheel
Disk 32, rear trochal disc 33, wheel hub 34 and blade 31, wheel hub 34 are removably mounted on the center of rear trochal disc 33, the wheel hub 34
Mounting hole section be regular hexagon so that convenient for disassembly and assembly between motor 1 and wheel hub 34；Blade 31 is provided with muti-piece, muti-piece leaf
31 compartment of terrain of piece is circumferentially distributed between preceding wheel disc 32 and rear trochal disc 33, and is installed on and is added by blade 31 between muti-piece blade 31
Strong 4 mode of ring connects；Air inlet 24, air inlet are provided on another side plate opposite with above-mentioned motor installation side plate on spiral case
Be sequentially installed with filter 5 and heater 6 at 24 from outside to inside, filter plays the role of filtering bulky grain, reduce spiral case and
The abrasion of impeller extends using effect, and the air-flow for entering spiral case is heated in the presence of heater, different uses ring to meet
The use in border needs；Spiral case and impeller are all made of glass reinforced plastic and are made, and the surface of spiral case and impeller is provided with wearing layer, have resistance to
The advantages that mill, body be light, anticorrosion, low in cost, raw material are easy to get, social and economic benefits and good；Spiral case is double-layer structure, by outer layer
Glass steel shell 21 and inner layer glass steel sheel 22 are constituted, and ensure that structural strength and rigidity, and even if inner layer glass steel sheel
It can also continue to use, prolong the service life after being worn, wherein between glass outer steel sheel 21 and inner layer glass steel sheel 22
It is formed with closed cavity 23, closed cavity exists so that spiral case heat preservation and soundproof effect are good, can play the role of noise reduction；Impeller
Blade 31 on be provided with noise reduction through-hole, noise reduction hole makes fraction flow to the non-working surface of blade from the working face of blade, makes
Non-working surface boundary layer changes, and reduces blade separated region size and turbulence intensity, achievees the effect that reduce noise, noise reduction
The density of through-hole is gradually successively decreased from root of blade to blade outer rim, further improves the turbulence level in the flow field of blade.
A kind of noise-reduction type fiberglass blower fan of the invention, structure is simple, excellent noise reduction effect, and with wear-resisting, body is light, anti-corrosion
Erosion, low in cost, raw material be easy to get, social and economic benefits and good the advantages that.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (3)
1. a kind of noise-reduction type fiberglass blower fan, including spiral case, motor (1) and impeller, the impeller is set in spiral case, described
Motor be fixed on the side plate of spiral case, and the output shaft of motor is connected with impeller；On the spiral case with above-mentioned motor
Air inlet (24) are provided on another opposite side plate of installation side plate, it is characterised in that: from outer at the air inlet (24)
It is sequentially installed with filter (5) and heater (6) to interior, the spiral case and impeller are all made of glass reinforced plastic and are made, the snail
Shell is double-layer structure, is made of glass outer steel sheel (21) and inner layer glass steel sheel (22), wherein glass outer steel sheel
(21) it is formed between inner layer glass steel sheel (22) closed cavity (23)；Drop is provided on the blade (31) of the impeller
It makes an uproar through-hole, the density of noise reduction through-hole is gradually successively decreased from root of blade to blade outer rim.
2. a kind of noise-reduction type fiberglass blower fan according to claim 1, it is characterised in that: the impeller includes preceding wheel disc
(32), rear trochal disc (33), wheel hub (34) and blade (31), the wheel hub (34) are removably mounted in rear trochal disc (33)
Heart position, the mounting hole section of the wheel hub (34) are regular hexagon；The blade (31) is provided with muti-piece, muti-piece blade (31)
Compartment of terrain is circumferentially distributed between preceding wheel disc (32) and rear trochal disc (33), and is clamped between muti-piece blade (31) by blade (31)
In reinforcing ring (4), mode is connected.
3. a kind of noise-reduction type fiberglass blower fan according to claim 2, it is characterised in that: the table of the spiral case and impeller
Face is provided with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961871.8A CN108953193A (en) | 2018-08-22 | 2018-08-22 | A kind of noise-reduction type fiberglass blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961871.8A CN108953193A (en) | 2018-08-22 | 2018-08-22 | A kind of noise-reduction type fiberglass blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953193A true CN108953193A (en) | 2018-12-07 |
Family
ID=64473627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810961871.8A Pending CN108953193A (en) | 2018-08-22 | 2018-08-22 | A kind of noise-reduction type fiberglass blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953193A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220228600A1 (en) * | 2021-01-15 | 2022-07-21 | Broan-Nutone Llc | Sound dampening scroll for a fan |
| CN114962323A (en) * | 2022-06-10 | 2022-08-30 | 合肥通用机械研究院有限公司 | Low-vibration low-noise centrifugal fan adopting gas bearing |
| FR3135116A1 (en) * | 2022-04-27 | 2023-11-03 | Euroventilatori France | Ventilation device for a ventilation column. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05172099A (en) * | 1991-12-25 | 1993-07-09 | Nippon Noizu Control Kk | Fan suction side air flow guide silencer |
| CN202182066U (en) * | 2011-08-09 | 2012-04-04 | 安徽安风风机有限公司 | Impeller of single plate blade centrifugal fan |
| CN203702658U (en) * | 2013-12-10 | 2014-07-09 | 四川东能节能技术有限公司 | Draught fan |
| CN104196743A (en) * | 2014-09-10 | 2014-12-10 | 江苏双菊风机有限公司 | Cabin heat exchange centrifugal fan for wind power generation |
| CN204961404U (en) * | 2015-09-30 | 2016-01-13 | 界首市鑫洋机电有限公司 | Low -noise centrifugal fan |
| CN205207262U (en) * | 2015-11-22 | 2016-05-04 | 象山巨鹰科技发展有限公司 | Fan wheel for air purifier |
| CN205918621U (en) * | 2016-08-22 | 2017-02-01 | 宁波新大业环保设备科技有限公司 | Glass steel fan |
| CN207513948U (en) * | 2017-11-06 | 2018-06-19 | 苏州德粤通风机电设备有限公司 | Damping explosion-proof fan |
-
2018
- 2018-08-22 CN CN201810961871.8A patent/CN108953193A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05172099A (en) * | 1991-12-25 | 1993-07-09 | Nippon Noizu Control Kk | Fan suction side air flow guide silencer |
| CN202182066U (en) * | 2011-08-09 | 2012-04-04 | 安徽安风风机有限公司 | Impeller of single plate blade centrifugal fan |
| CN203702658U (en) * | 2013-12-10 | 2014-07-09 | 四川东能节能技术有限公司 | Draught fan |
| CN104196743A (en) * | 2014-09-10 | 2014-12-10 | 江苏双菊风机有限公司 | Cabin heat exchange centrifugal fan for wind power generation |
| CN204961404U (en) * | 2015-09-30 | 2016-01-13 | 界首市鑫洋机电有限公司 | Low -noise centrifugal fan |
| CN205207262U (en) * | 2015-11-22 | 2016-05-04 | 象山巨鹰科技发展有限公司 | Fan wheel for air purifier |
| CN205918621U (en) * | 2016-08-22 | 2017-02-01 | 宁波新大业环保设备科技有限公司 | Glass steel fan |
| CN207513948U (en) * | 2017-11-06 | 2018-06-19 | 苏州德粤通风机电设备有限公司 | Damping explosion-proof fan |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220228600A1 (en) * | 2021-01-15 | 2022-07-21 | Broan-Nutone Llc | Sound dampening scroll for a fan |
| FR3135116A1 (en) * | 2022-04-27 | 2023-11-03 | Euroventilatori France | Ventilation device for a ventilation column. |
| CN114962323A (en) * | 2022-06-10 | 2022-08-30 | 合肥通用机械研究院有限公司 | Low-vibration low-noise centrifugal fan adopting gas bearing |
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