CN110566480A - Outer rotor fan and air conditioning unit - Google Patents
Outer rotor fan and air conditioning unit Download PDFInfo
- Publication number
- CN110566480A CN110566480A CN201910872021.5A CN201910872021A CN110566480A CN 110566480 A CN110566480 A CN 110566480A CN 201910872021 A CN201910872021 A CN 201910872021A CN 110566480 A CN110566480 A CN 110566480A
- Authority
- CN
- China
- Prior art keywords
- rotor
- shell
- shaft
- fixedly connected
- air
- 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
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- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
-
- 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
-
- 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
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Abstract
The invention discloses an external rotor fan and an air conditioning unit, wherein the external rotor fan comprises a rotor shell, centrifugal fan blades arranged on the outer wall of the rotor shell, a main shaft fixedly connected with the rotor shell, and a stator end cover rotatably arranged with the main shaft, and also comprises: and the air supply mechanism is fixedly connected with the rotor shell, and rotates along with the rotor shell to supply air to the centrifugal fan blades. The outer rotor fan provided by the invention has the advantages that the additional air supply mechanism is arranged, so that the output air quantity and the air pressure of the outer rotor fan are larger, and the air supply efficiency is higher.
Description
Technical Field
The invention relates to the field of fan equipment, in particular to an outer rotor fan and an air conditioning unit.
Background
In a conventional motor, a stator is arranged outside, and a rotor rotates to generate power. The external rotor motor is the opposite structure, the stator is in the middle of the motor, and the rotor is outside.
The existing external rotor fan mainly comprises an external rotor motor and a wind wheel, wherein the external rotor motor generally adopts a brushless direct current motor, and the wind wheel is a centrifugal wind wheel. The existing external rotor fan has the defects of small fan output air pressure and low air supply efficiency, and needs further improvement.
Disclosure of Invention
The invention provides an outer rotor fan and an air conditioning unit, aiming at solving the technical problems of small fan output air pressure and low air supply efficiency in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
The utility model provides an outer rotor fan, includes rotor housing, install in the centrifugal fan blade of rotor housing outer wall, with rotor housing fixed connection's main shaft, rotatable installation the stator end cover of main shaft still includes: and the air supply mechanism is fixedly connected with the rotor shell, and rotates along with the rotor shell to supply air to the centrifugal fan blades.
The air supply mechanism includes: the rotor comprises an extension shaft and axial flow fan blades, wherein one end of the extension shaft is fixed on the rotor shell, and the other end of the extension shaft is fixedly connected with the axial flow fan blades.
The extension shaft, the axial flow fan blade and the rotor shell are coaxially arranged.
One end of the extension shaft is provided with a flange, and the extension shaft is fixedly connected with the rotor shell through the flange.
The axial flow fan blade is provided with a shaft sleeve, and the other end of the extension shaft is fixedly connected with the shaft sleeve.
The axial flow fan blades are provided with a plurality of fan blades which are circumferentially spaced and uniformly distributed.
One end of the main shaft is fixedly connected with the rotor shell, and the other end of the main shaft is rotatably connected with the stator end cover through a bearing.
The flange is connected with the rotor shell by welding, riveting or bolts.
The rotor shell and the centrifugal fan blade are connected by welding, riveting or bolts.
In addition, the invention further provides an air conditioning unit which comprises the outer rotor fan.
Compared with the prior art, the invention has the following beneficial effects:
The outer rotor fan provided by the invention has the advantages that the additional air supply mechanism is arranged, so that the output air quantity and the air pressure of the outer rotor fan are larger, and the air supply efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
It should be noted that, for the convenience of description, only a part of the structure related to the present invention is shown in the drawings, not the whole structure.
As shown in fig. 1, in an embodiment of the present invention, an external rotor fan is provided, which includes a rotor housing 5, centrifugal blades 8 installed on an outer wall of the rotor housing 5, a main shaft 9 fixedly connected to the rotor housing 5, a stator end cover 7 rotatably installed on the main shaft 9, and an air supply mechanism, the air supply mechanism is fixedly connected to the rotor housing 5, and when the rotor housing 5 rotates, the air supply mechanism rotates with the rotor housing 5 to supply air to the centrifugal blades 8. The air supply quantity and the air speed of the air inlet of the centrifugal fan blade 8 can be improved by the air supply of the air supply mechanism, so that the air pressure and the air speed of the air outlet of the centrifugal fan blade 8 are effectively improved, and the air supply efficiency of the outer rotor fan is improved.
Specifically, the air blowing mechanism includes: the fan comprises an extension shaft 3 and an axial flow fan blade 1, wherein one end of the extension shaft 3 is fixed on a rotor shell 5, and the other end of the extension shaft 3 is fixed on the axial flow fan blade 1 and is fixedly connected with the axial flow fan blade 1.
Preferably, the extension shaft 3, the axial flow fan blade 1 and the rotor housing 5 are coaxially arranged.
Further, one end of the extension shaft 3 is provided with a flange 4, and the extension shaft 3 is fixedly connected with the rotor housing 5 through the flange 4. The flange 4 and the extension shaft 3 may be of a separate structure or an integral structure. Preferably, the flange 4 is welded, riveted or bolted to the rotor housing 5.
furthermore, the axial flow fan blade 1 is provided with a shaft sleeve 2, and the other end of the extension shaft 3 is fixedly connected with the shaft sleeve 2. Preferably, the sleeve 2 is an interference fit over the other end of the extension shaft 3. The shaft sleeve 2 and the axial flow fan blade 1 can adopt a split structure or an integrated structure.
Furthermore, the axial flow fan blade 1 is provided with a plurality of fan blades which are circumferentially spaced and uniformly distributed.
Specifically, because the axial flow fan blade 1 is provided with a plurality of fan blades which are circumferentially spaced and uniformly distributed, when the rotor housing 5 rotates, the rotor housing 5 drives the fan blades and supplies air towards the centrifugal fan blade 8.
One end of the main shaft 9 is fixedly connected with the rotor shell 5, and the other end of the main shaft is rotatably connected with the stator end cover 7 through a bearing 6.
Specifically, a first shaft hole is formed in a shaft axis in the rotor shell 5, one end of the main shaft 9 is inserted into the first shaft hole in an interference fit mode, a second shaft hole is formed in a shaft axis of the stator end cover 7, bearings 6 are arranged at two ends in the second shaft hole, and the other end of the main shaft 9 is inserted into the second shaft hole and is connected with the bearings 6 in a rotating mode.
Preferably, the rotor housing 5 and the centrifugal fan blade 8 are connected by welding, riveting or bolts.
In addition, the invention also provides an air conditioning unit which comprises the outer rotor fan.
the outer rotor fan provided by the invention has the advantages that the additional air supply mechanism is arranged, so that the output air quantity and the air pressure of the outer rotor fan are larger, and the air supply efficiency is higher.
The above embodiments and drawings are only for illustrating the technical solutions of the present invention and do not limit the present invention. It should be noted that, a person skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for part or all of the technical features, and such modifications or substitutions are included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an outer rotor fan, includes rotor housing, install rotor housing outer wall's centrifugation fan blade, with rotor housing fixed connection's main shaft, rotatable installation the stator end cover of main shaft, its characterized in that: further comprising: and the air supply mechanism is fixedly connected with the rotor shell, and rotates along with the rotor shell to supply air to the centrifugal fan blades.
2. The external rotor blower of claim 1, wherein: the air supply mechanism includes: the rotor comprises an extension shaft and axial flow fan blades, wherein one end of the extension shaft is fixed on the rotor shell, and the other end of the extension shaft is fixedly connected with the axial flow fan blades.
3. The external rotor blower of claim 2, wherein: the extension shaft, the axial flow fan blade and the rotor shell are coaxially arranged.
4. The external rotor blower of claim 2, wherein: one end of the extension shaft is provided with a flange, and the extension shaft is fixedly connected with the rotor shell through the flange.
5. The external rotor blower of claim 2, wherein: the axial flow fan blade is provided with a shaft sleeve, and the other end of the extension shaft is fixedly connected with the shaft sleeve.
6. The external rotor blower of claim 2, wherein: the axial flow fan blades are provided with a plurality of fan blades which are circumferentially spaced and uniformly distributed.
7. The external rotor blower of claim 1, wherein: one end of the main shaft is fixedly connected with the rotor shell, and the other end of the main shaft is rotatably connected with the stator end cover through a bearing.
8. The external rotor blower of claim 4, wherein: the flange is connected with the rotor shell by welding, riveting or bolts.
9. The external rotor blower of claim 1, wherein: the rotor shell and the centrifugal fan blade are connected by welding, riveting or bolts.
10. An air conditioning unit, its characterized in that: the air conditioning unit comprises the external rotor fan of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872021.5A CN110566480A (en) | 2019-09-16 | 2019-09-16 | Outer rotor fan and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872021.5A CN110566480A (en) | 2019-09-16 | 2019-09-16 | Outer rotor fan and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110566480A true CN110566480A (en) | 2019-12-13 |
Family
ID=68780073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910872021.5A Pending CN110566480A (en) | 2019-09-16 | 2019-09-16 | Outer rotor fan and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566480A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2754898A1 (en) * | 1976-12-13 | 1978-06-15 | Ferodo Sa | FAN ARRANGEMENT WITH MOTOR DRIVE |
| IT1112178B (en) * | 1978-02-16 | 1986-01-13 | Carrier Corp | IMPROVEMENT MADE TO AN AXIAL FAN ASSEMBLY |
| EP0568069B1 (en) * | 1992-04-29 | 1997-05-28 | Varian Associates, Inc. | Turbomolecular vacuum pumps |
| CN2346975Y (en) * | 1998-06-08 | 1999-11-03 | 郭晓军 | Energy saving, low noise fan |
| FR2911386A1 (en) * | 2007-01-16 | 2008-07-18 | Genius Soc Responsabilite Limi | Air conditioning system for providing reversible production of distribution of hot or cold air, has unit with chamber producing cold air to direct air stream in distributor to temperature conditions, where units are arranged in envelope |
| CN202746284U (en) * | 2012-08-21 | 2013-02-20 | 宁波贝德尔电讯电机有限公司 | Backward type centrifugal outer rotor fan |
| CN104405667A (en) * | 2014-11-20 | 2015-03-11 | 珠海格力电器股份有限公司 | Air extraction device and smoke exhauster |
| CN207588638U (en) * | 2017-12-15 | 2018-07-06 | 吴江得胜鑫净化设备有限公司 | A kind of novel brushless direct-current outer rotor blower fan |
-
2019
- 2019-09-16 CN CN201910872021.5A patent/CN110566480A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2754898A1 (en) * | 1976-12-13 | 1978-06-15 | Ferodo Sa | FAN ARRANGEMENT WITH MOTOR DRIVE |
| IT1112178B (en) * | 1978-02-16 | 1986-01-13 | Carrier Corp | IMPROVEMENT MADE TO AN AXIAL FAN ASSEMBLY |
| EP0568069B1 (en) * | 1992-04-29 | 1997-05-28 | Varian Associates, Inc. | Turbomolecular vacuum pumps |
| CN2346975Y (en) * | 1998-06-08 | 1999-11-03 | 郭晓军 | Energy saving, low noise fan |
| FR2911386A1 (en) * | 2007-01-16 | 2008-07-18 | Genius Soc Responsabilite Limi | Air conditioning system for providing reversible production of distribution of hot or cold air, has unit with chamber producing cold air to direct air stream in distributor to temperature conditions, where units are arranged in envelope |
| CN202746284U (en) * | 2012-08-21 | 2013-02-20 | 宁波贝德尔电讯电机有限公司 | Backward type centrifugal outer rotor fan |
| CN104405667A (en) * | 2014-11-20 | 2015-03-11 | 珠海格力电器股份有限公司 | Air extraction device and smoke exhauster |
| CN207588638U (en) * | 2017-12-15 | 2018-07-06 | 吴江得胜鑫净化设备有限公司 | A kind of novel brushless direct-current outer rotor blower fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |
|
| RJ01 | Rejection of invention patent application after publication |