CN106989059A - Outer rotor low-noise energy-saving centrifugal aerator - Google Patents

Outer rotor low-noise energy-saving centrifugal aerator Download PDF

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Publication number
CN106989059A
CN106989059A CN201710422129.5A CN201710422129A CN106989059A CN 106989059 A CN106989059 A CN 106989059A CN 201710422129 A CN201710422129 A CN 201710422129A CN 106989059 A CN106989059 A CN 106989059A
Authority
CN
China
Prior art keywords
noise
adjusting bracket
snail tongue
adjusting
outer rotor
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
Application number
CN201710422129.5A
Other languages
Chinese (zh)
Inventor
孙勇安
刘万勤
刘正东
孙健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynamo-Electric Co Ltd Of Jiangsu Heng Kang
Original Assignee
Dynamo-Electric Co Ltd Of Jiangsu Heng Kang
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dynamo-Electric Co Ltd Of Jiangsu Heng Kang filed Critical Dynamo-Electric Co Ltd Of Jiangsu Heng Kang
Priority to CN201710422129.5A priority Critical patent/CN106989059A/en
Publication of CN106989059A publication Critical patent/CN106989059A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/002Details, component parts, or accessories especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/422Discharge tongues
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226Fan casings
    • F04D29/4233Fan casings with volutes extending mainly in axial or radially inward direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663Sound attenuation
    • F04D29/664Sound attenuation by means of sound absorbing material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses outer rotor low-noise energy-saving centrifugal aerator, including noise reducing casing, adjusting bracket and adjusting base, interior snail tongue is provided with the inside of the snail tongue of the noise reducing casing, the noise reduction layer of filled honeycomb shape in cavity, cavity is constituted between interior snail tongue and snail tongue;The periphery of noise reducing casing connects adjusting bracket by several connecting rods, and adjusting bracket is overall in a ring, breach is provided with the air outlet of noise reducing casing, the cross section of adjusting bracket is T-shaped;Adjusting bracket is arranged on adjusting base;The outer rotor low-noise energy-saving centrifugal aerator is using double-deck snail tongue structure and designs filling noise reduction layer, substantially reduce the noise of blower fan generation, and wind direction is adjusted by adjusting bracket and adjusting base, automatically adjust, it is convenient and swift, and avoid the cushion pad increased on noise, backing roll from reducing noise, be worth promoting.

Description

Outer rotor low-noise energy-saving centrifugal aerator
Technical field
The present invention relates to centrifugal fan technical field, especially a kind of outer rotor low-noise energy-saving centrifugal aerator.
Background technology
Centrifugal blower is the mechanical energy by input, improves gas pressure and supplies gas side by side the machinery of body, it is a kind of driven Fluid machinery.Centrifugal blower is widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge And cooling;The ventilation of boiler and industrial furnace and air inducing;Cooling and ventilation in the apparatus of air conditioning and domestic electric appliance;Paddy The drying of thing and select and recommend;Inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc..
The problem of existing centrifugal fan is present be:First, snail tongue is simple in construction, and noise is big;2nd, wind direction is adjusted not Easily, it is necessary to appliance stand or supporting surface again.Easily increase noise.
The content of the invention
The present invention is intended to provide a kind of use double-deck snail tongue structure and design filling noise reduction layer, blower fan generation is substantially reduced Noise, and pass through adjusting bracket and the outer rotor low-noise energy-saving centrifugal aerator of adjusting base adjustment wind direction.
To achieve the above object, the present invention provides following technical scheme:Outer rotor low-noise energy-saving centrifugal aerator, including Interior snail tongue is provided with the inside of noise reducing casing, adjusting bracket and adjusting base, the snail tongue of the noise reducing casing, between interior snail tongue and snail tongue Constitute the noise reduction layer of filled honeycomb shape in cavity, cavity;The periphery of noise reducing casing connects adjusting bracket, regulation by several connecting rods Support is overall in a ring, and breach is provided with the air outlet of noise reducing casing, and the cross section of adjusting bracket is T-shaped, including outer ring The narrow wall part of wide width portion and inner ring, the outside of narrow wall part connects the middle part of wide width portion inner face, the wide width portion of narrow wall part both sides it is interior Face is provided with equally distributed internal tooth;Adjusting bracket is arranged on adjusting base, is provided with what is coordinated with adjusting bracket in adjusting base Arc groove, the bottom of arc groove is provided with the backing roll of several uniform annular array distributions;Provided with two drives in adjusting base Dynamic motor, installs drive gear, drive gear and wide width portion on the both sides of adjusting bracket, the output shaft of motor respectively On internal tooth engagement.
It is used as the further scheme of the present invention:Impeller is provided with the noise reducing casing, impeller is arranged on external rotor electric machine.
It is used as the further scheme of the present invention:The backing roll is arranged in adjusting base by roll shaft.
It is used as the further scheme of the present invention:The periphery of the backing roll is enclosed with cushion pad.
It is used as the further scheme of the present invention:The outside of the adjusting bracket is provided with one layer of cushion pad.
Compared with prior art, the beneficial effects of the invention are as follows:The outer rotor low-noise energy-saving centrifugal aerator is using double Layer snail tongue structure simultaneously designs filling noise reduction layer, substantially reduces the noise of blower fan generation, and passes through adjusting bracket and adjusting base Wind direction is adjusted, is automatically adjusted, it is convenient and swift, and avoid the cushion pad increased on noise, backing roll from reducing noise, it is worth Widely popularize.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of the noise reducing casing of the present invention;
Fig. 3 is the structural representation of the adjusting base of the present invention;
Fig. 4 is the cross-sectional view of the adjusting bracket of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1-4, the embodiment of the present invention, outer rotor low-noise energy-saving centrifugal aerator, including noise reducing casing 1, Adjusting bracket 2 and adjusting base 3, the inner side of snail tongue 4 of the noise reducing casing 1 are provided with interior snail tongue 5, structure between interior snail tongue 5 and snail tongue 4 Into cavity, the noise reduction layer of filled honeycomb shape in cavity;The periphery of noise reducing casing 1 connects adjusting bracket 2, regulation by several connecting rods Support 2 is overall in a ring, breach is provided with the air outlet of noise reducing casing 1, the cross section of adjusting bracket 2 is T-shaped, including outer ring Wide width portion 21 and inner ring narrow wall part 22, the outside of narrow wall part 22 connects the middle part of the inner face of wide width portion 21, the both sides of narrow wall part 22 Wide width portion 21 inner face be provided with equally distributed internal tooth 23;
Adjusting bracket 2 is arranged on adjusting base 3, and the arc groove coordinated with adjusting bracket 2, arc are provided with adjusting base 3 The bottom of groove is provided with the backing roll 6 of several uniform annular array distributions;Provided with two motors in adjusting base 3, respectively On the both sides of adjusting bracket 2, the output shaft of motor install drive gear 7, drive gear 7 with it is interior on wide width portion 21 Tooth 23 is engaged.
It is above-mentioned, impeller is provided with noise reducing casing 1, impeller is arranged on external rotor electric machine.
Above-mentioned, backing roll 6 is arranged in adjusting base 3 by roll shaft.
Above-mentioned, the periphery of backing roll 6 is enclosed with cushion pad.
Above-mentioned, the outside of adjusting bracket 2 is provided with one layer of cushion pad.
The design feature and its operation principle of the present invention:Noise reducing casing 1 is using the double-deck structure of snail tongue 4 and designs filling noise reduction Layer, substantially reduces the noise of blower fan generation;
The present invention devises the adjusting bracket 2 of annular, and adjusting bracket 2 supported by backing roll 6, and its loop configuration can be with Rotated centered on spiral case, motor is rotated drives adjusting bracket 2 to rotate by gear drive, while drive spiral case to rotate, from And the direction of spiral case air outlet is adjusted, appliance stand or supporting surface it need not adjust blower fan again for existing blower fan Direction;This is provided with cushion pad using new adjusting bracket 2 and backing roll 6 in addition, greatly reduces vibrations, reduces and make an uproar Sound, noise is greatly reduced for tradition is by way of appliance stand or supporting surface.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (5)

1. outer rotor low-noise energy-saving centrifugal aerator, including noise reducing casing, adjusting bracket and adjusting base, it is characterised in that Interior snail tongue is provided with the inside of the snail tongue of the noise reducing casing, filled honeycomb shape in cavity, cavity is constituted between interior snail tongue and snail tongue Noise reduction layer;The periphery of noise reducing casing connects adjusting bracket by several connecting rods, and adjusting bracket is overall in a ring, in noise reducing casing Breach is provided with air outlet, the cross section of adjusting bracket is T-shaped, includes the wide width portion and the narrow wall part of inner ring of outer ring, narrow wall part Outside connect the middle part of wide width portion inner face, the inner face of the wide width portion of narrow wall part both sides is provided with equally distributed internal tooth;Regulation branch Frame is arranged on adjusting base, the arc groove coordinated with adjusting bracket is provided with adjusting base, the bottom of arc groove is provided with The backing roll of several uniform annular array distributions;Provided with two motors in adjusting base, respectively positioned at the two of adjusting bracket Drive gear is installed, drive gear is engaged with the internal tooth on wide width portion on side, the output shaft of motor.
2. outer rotor low-noise energy-saving centrifugal aerator according to claim 1, it is characterised in that in the noise reducing casing Provided with impeller, impeller is arranged on external rotor electric machine.
3. outer rotor low-noise energy-saving centrifugal aerator according to claim 1, it is characterised in that the backing roll passes through Roll shaft is arranged in adjusting base.
4. outer rotor low-noise energy-saving centrifugal aerator according to claim 1, it is characterised in that outside the backing roll Week is enclosed with cushion pad.
5. outer rotor low-noise energy-saving centrifugal aerator according to claim 1, it is characterised in that the adjusting bracket Outside is provided with one layer of cushion pad.
CN201710422129.5A 2017-06-07 2017-06-07 Outer rotor low-noise energy-saving centrifugal aerator Pending CN106989059A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710422129.5A CN106989059A (en) 2017-06-07 2017-06-07 Outer rotor low-noise energy-saving centrifugal aerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710422129.5A CN106989059A (en) 2017-06-07 2017-06-07 Outer rotor low-noise energy-saving centrifugal aerator

Publications (1)

Publication Number Publication Date
CN106989059A true CN106989059A (en) 2017-07-28

Family

ID=59421871

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710422129.5A Pending CN106989059A (en) 2017-06-07 2017-06-07 Outer rotor low-noise energy-saving centrifugal aerator

Country Status (1)

Country Link
CN (1) CN106989059A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107269590A (en) * 2017-08-22 2017-10-20 河北万泉泵业制造有限公司 A kind of laterally opened double suction centrifugal pump of split
CN111637073A (en) * 2020-06-10 2020-09-08 安徽庐风风机有限公司 Numerical control fan convenient to adjust wind-force gear
CN114060321A (en) * 2021-11-01 2022-02-18 青岛海纳特船舶设备制造有限公司 Marine axial flow fan with horizontal mounting structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107269590A (en) * 2017-08-22 2017-10-20 河北万泉泵业制造有限公司 A kind of laterally opened double suction centrifugal pump of split
CN107269590B (en) * 2017-08-22 2023-08-22 河北万泉泵业制造有限公司 Split side-open type double-suction centrifugal pump
CN111637073A (en) * 2020-06-10 2020-09-08 安徽庐风风机有限公司 Numerical control fan convenient to adjust wind-force gear
CN111637073B (en) * 2020-06-10 2021-09-24 安徽庐风风机有限公司 Numerical control fan convenient to adjust wind-force gear
CN114060321A (en) * 2021-11-01 2022-02-18 青岛海纳特船舶设备制造有限公司 Marine axial flow fan with horizontal mounting structure
CN114060321B (en) * 2021-11-01 2023-09-29 青岛海纳特船舶设备制造有限公司 Marine axial fan with horizontal mounting structure

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WD01 Invention patent application deemed withdrawn after publication
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Application publication date: 20170728