CN106382240A - Magnetic coupling drive seal type draught fan - Google Patents
Magnetic coupling drive seal type draught fan Download PDFInfo
- Publication number
- CN106382240A CN106382240A CN201611089984.0A CN201611089984A CN106382240A CN 106382240 A CN106382240 A CN 106382240A CN 201611089984 A CN201611089984 A CN 201611089984A CN 106382240 A CN106382240 A CN 106382240A
- Authority
- CN
- China
- Prior art keywords
- magnetic device
- draught fan
- blower fan
- fan
- sealed
- 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
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a magnetic coupling drive seal type draught fan. A draught fan body is sealed in a sealed space free of magnetic conduction, and comprises a draught fan drive shaft, a draught fan impeller and an inner magnetic device; the inner magnetic device is mounted at the shaft end of the draught fan drive shaft, the draught fan impeller and the inner magnetic device are coaxially connected to the middle of the draught fan drive shaft, a drive motor is arranged outside the draught fan body and is connected with an outer magnetic device, and the outer magnetic device and the inner magnetic device are opposite and are coupled. Power non-contact transmission is achieved, the draught fan body can be completely sealed in the seal space, use space of the seal space is saved, system seal is ensured, the phenomenon that the heat dissipation of the motor affects the refrigeration efficiency of circular nitrogen is avoided, and the system heat exchange efficiency is improved.
Description
Technical field
The present invention relates to a kind of blower fan, more particularly, to a kind of magnetic coupling sealed blower fan of driving.
Background technology
In the confined space of industrial equipment, due to some components and parts and parts（As filament etc.）Cannot be in aerobic state
Under i.e. in atmosphere energising run, when these components and parts and parts need cooling, need in confined space（Hereinafter referred to as cold
But space）Middle use blower fan is circulated refrigeration to nitrogen, and circulating nitrogen gas carry out heat exchange with cooling medium and take away heat,
To reach the purpose that parts components and parts to confined space etc. are cooled down.In narrow confined space, by the electricity of blower fan
Machine is placed in one with impeller, and except spatially not allowing, the radiating of motor itself also can affect the refrigerating efficiency of circulating nitrogen gas.
Content of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of magnetic coupling drives sealed blower fan, will
Motor is external, drives impeller using magnetic coupling mode, saves the use space of confined space it is ensured that the sealing of system
Property, improve the heat exchange efficiency of system.
The present invention for achieving the above object, adopts the following technical scheme that：A kind of magnetic coupling drives sealed blower fan, including one
Fan main body, described fan main body is sealed in a non-magnetic confined space, and described fan main body includes blower fan drive shaft, wind
Machine impeller and interior magnetic device, described interior magnetic device is arranged on the axle head of described blower fan drive shaft, described draught fan impeller with described
In the middle of the coaxially connected axle in described blower fan drive shaft of interior magnetic device, outside described fan main body, it is provided with a motor, described
Motor is connected with an outer magnetic device, and described outer magnetic device is relative with described interior magnetic device position, described outer magnetic device and institute
State interior magnetic device coupling.
Preferably, described draught fan impeller is spiral helicine axial wheel.
Preferably, described interior magnetic device and outer magnetic device all include magnet fixed disc and magnet.
Preferably, the axle center of described magnet fixed disc is coaxial with described blower fan drive shaft, the magnetic force of described magnet fixed disc
Face is all at grade.
Preferably, described magnet fixed disc is by including at least two equally distributed square magnet.
The beneficial effect that the present invention reaches is：This magnetic coupling drives sealed blower fan by magnetic device in fan main body and even
Connect and be sealed in a non-magnetic confined space, outside confined space, the outer magnetic device of setting is coupled with interior magnetic device, when outer magnetic
When device rotates with motor, magnetic field energy penetrates air-gap and non-magnetic shell, and in drive, synchronous rotary made by magnetic device, enters
And interior magnetic device drives blower fan to be operated.Achieve the non contact transmission of power using the blower fan of this kind of drive, make wind
Owner's body can be completely sealed the use space so both having saved confined space in confined space it is ensured that system
Sealing, it is to avoid motor radiating affects the refrigerating efficiency of circulating nitrogen gas, improves the heat exchange efficiency of system.
Brief description
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of draught fan impeller in the present invention；
Fig. 3 is interior magnetic device structural representation in the present invention；
Wherein, 1, fan main body, 2, blower fan drive shaft, 3, draught fan impeller, 4, interior magnetic device, 41, magnet fixed disc, 42, magnet,
5th, motor, 6, outer magnetic device.
Specific embodiment
As shown in Fig. 1 to Fig. 3, a kind of magnetic coupling drives sealed blower fan, including a fan main body 1, described fan main body 1
It is sealed in a non-magnetic confined space, described fan main body 1 includes blower fan drive shaft 2, draught fan impeller 3 and interior magnetic device 4,
Described interior magnetic device 4 is arranged on the axle head of described blower fan drive shaft 2, and described draught fan impeller 3 is coaxially connected with described interior magnetic device 4
Be connected in the middle of the axle of described blower fan drive shaft 2, outside described fan main body 1, be provided with a motor 5, described motor 5 with
One outer magnetic device 6 connects, and described outer magnetic device 6 is relative with described interior magnetic device 4 position, described outer magnetic device 6 and described interior magnetic
Device 4 couples.
Preferably scheme is that described draught fan impeller 3 is spiral helicine axial wheel, and this aial flow impeller is according to this magnetic coupling
Close and drive the operating environment of sealed blower fan and efficiency requirements design.
Preferably scheme is that described interior magnetic device 4 and outer magnetic device 6 all include magnet fixed disc 41 and magnet 42, described
Interior magnetic device 4 includes internal magnet fixed disk and internal magnet, and described outer magnetic device 6 includes external magnet fixed disk and external magnet, described
Internal magnet and external magnet are constituted by S pole and N pole, and the magnet polarities of internal magnet and external magnet are contrary, the rotation of external magnet fixed disk
Turn and drive internal magnet fixed disk to be rotated, thus driving draught fan impeller 3 to be rotated.
Preferably scheme is that the axle center of described magnet fixed disc 41 is coaxial with described blower fan drive shaft 2, and described magnet is fixed
The magnetic force face of disk 41 is all at grade.
Preferably scheme is that described magnet fixed disc 41 is by least two equally distributed square magnet of inclusion
42.The number of magnet 42 is more, and the magnetic of interior magnetic device 4 and outer magnetic device 6 is stronger, and magnetic energy is bigger, 3 turns of corresponding draught fan impeller
Speed is also bigger.
The present invention is that a kind of magnetic coupling drives sealed blower fan, is applied in the confined space of industrial equipment, will drive electricity
Machine is external, drives impeller using magnetic coupling mode, and the use space saving confined space, it is ensured that the sealing of system, carries
The heat exchange efficiency of high system.
The operation principle of the present invention is that this magnetic coupling drives sealed blower fan to be connected simultaneously fan main body with magnetic device in
It is sealed in a non-magnetic confined space, outside confined space, the outer magnetic device of setting is coupled with interior magnetic device, when outer magnetic device
When rotating with motor, magnetic field energy penetrates air-gap and non-magnetic shell, and in drive, synchronous rotary made by magnetic device, and then interior
Magnetic device drives blower fan to be operated.Realize the non contact transmission of power using this mechanism, enable driving impeller complete
It is sealed in the confined space of fan main body, the heat that such motor produces in the course of the work directly radiates removing, carries
The heat exchange efficiency of high system, drives external fan to also save the use space of confined space it is ensured that the sealing of system.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of magnetic coupling drives sealed blower fan, including a fan main body it is characterised in that：Described fan main body is sealed in one
In non-magnetic confined space, described fan main body includes blower fan drive shaft, draught fan impeller and interior magnetic device, described interior magnetic device
It is arranged on the axle head of described blower fan drive shaft, described draught fan impeller is coaxially connected with described interior magnetic device to be driven in described blower fan
In the middle of the axle of axle, outside described fan main body, it is provided with a motor, described motor is connected with an outer magnetic device, described outer
Magnetic device is relative with described interior magnetic device position, and described outer magnetic device is coupled with described interior magnetic device.
2. a kind of magnetic coupling according to claim 1 drive sealed blower fan it is characterised in that：Described draught fan impeller is spiral shell
The axial wheel of rotation shape.
3. a kind of magnetic coupling according to claim 1 drive sealed blower fan it is characterised in that：Described interior magnetic device is with outward
Magnetic device all includes magnet fixed disc and magnet.
4. a kind of magnetic coupling according to claim 1 drive sealed blower fan it is characterised in that：Described magnet fixed disc
Axle center is coaxial with described blower fan drive shaft, and the magnetic force face of described magnet fixed disc is all at grade.
5. a kind of magnetic coupling according to claim 1 drive sealed blower fan it is characterised in that：Described magnet fixed disc by
Including at least two equally distributed square magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089984.0A CN106382240A (en) | 2016-12-01 | 2016-12-01 | Magnetic coupling drive seal type draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089984.0A CN106382240A (en) | 2016-12-01 | 2016-12-01 | Magnetic coupling drive seal type draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106382240A true CN106382240A (en) | 2017-02-08 |
Family
ID=57959791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611089984.0A Pending CN106382240A (en) | 2016-12-01 | 2016-12-01 | Magnetic coupling drive seal type draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382240A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797640A (en) * | 2017-12-25 | 2018-03-13 | 上海胜战科技发展有限公司 | A kind of heat abstractor for reinforcing three protection computers |
| CN111835179A (en) * | 2020-06-15 | 2020-10-27 | 广州大学 | Magnetic coupling driving heat dissipation mechanism and heat dissipation device |
| CN112412835A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764976Y (en) * | 2004-12-30 | 2006-03-15 | 乔保振 | Magnetic transmission draught fan used for sealing equipment |
| CN203114664U (en) * | 2013-02-21 | 2013-08-07 | 天津市惠森机电工厂 | Magnetic transmission non-leakage centrifugal fan |
| WO2014178475A1 (en) * | 2013-04-30 | 2014-11-06 | 인지컨트롤스주식회사 | Blower |
| CN204921412U (en) * | 2015-08-19 | 2015-12-30 | 惠州市欧瑞动力自动化科技有限公司 | Magnetic force actuation fan and enclosed cell drying equipment |
| CN206448984U (en) * | 2016-12-01 | 2017-08-29 | 无锡溥汇机械科技有限公司 | A kind of magnetic coupling drives sealed blower fan |
-
2016
- 2016-12-01 CN CN201611089984.0A patent/CN106382240A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764976Y (en) * | 2004-12-30 | 2006-03-15 | 乔保振 | Magnetic transmission draught fan used for sealing equipment |
| CN203114664U (en) * | 2013-02-21 | 2013-08-07 | 天津市惠森机电工厂 | Magnetic transmission non-leakage centrifugal fan |
| WO2014178475A1 (en) * | 2013-04-30 | 2014-11-06 | 인지컨트롤스주식회사 | Blower |
| CN204921412U (en) * | 2015-08-19 | 2015-12-30 | 惠州市欧瑞动力自动化科技有限公司 | Magnetic force actuation fan and enclosed cell drying equipment |
| CN206448984U (en) * | 2016-12-01 | 2017-08-29 | 无锡溥汇机械科技有限公司 | A kind of magnetic coupling drives sealed blower fan |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107797640A (en) * | 2017-12-25 | 2018-03-13 | 上海胜战科技发展有限公司 | A kind of heat abstractor for reinforcing three protection computers |
| CN107797640B (en) * | 2017-12-25 | 2019-12-17 | 上海胜战科技发展有限公司 | Heat radiator for consolidate three computers of preventing |
| CN112412835A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
| CN111835179A (en) * | 2020-06-15 | 2020-10-27 | 广州大学 | Magnetic coupling driving heat dissipation mechanism and heat dissipation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |