CN206448984U - A kind of magnetic coupling drives sealed blower fan - Google Patents
A kind of magnetic coupling drives sealed blower fan Download PDFInfo
- Publication number
- CN206448984U CN206448984U CN201621309326.3U CN201621309326U CN206448984U CN 206448984 U CN206448984 U CN 206448984U CN 201621309326 U CN201621309326 U CN 201621309326U CN 206448984 U CN206448984 U CN 206448984U
- Authority
- CN
- China
- Prior art keywords
- magnetic device
- blower fan
- fan
- main body
- interior
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of magnetic coupling and drives sealed blower fan, the fan main body is sealed in a non-magnetic confined space, the fan main body includes blower fan drive shaft, draught fan impeller and interior magnetic device, the interior magnetic device is arranged on the shaft end of the blower fan drive shaft, the draught fan impeller and the interior magnetic device are coaxially connected in the middle of the axle of the blower fan drive shaft, a motor is provided with outside the fan main body, the motor is connected with an outer magnetic device, the outer magnetic device is relative with the interior magnetic device position, the outer magnetic device is coupled with the interior magnetic device.The utility model realizes the non contact transmission of power, fan main body is completely sealed in confined space, so both save the use space of confined space, it is ensured that the sealing of system, avoiding motor radiating influences the refrigerating efficiency of circulating nitrogen gas, improves the heat exchange efficiency of system.
Description
Technical field
The utility model is related to a kind of blower fan, more particularly to a kind of magnetic coupling drives sealed blower fan.
Background technology
In the confined space of industrial equipment, due to some components and parts（Such as filament）Can not be in aerobic state
The lower operation that is powered in atmosphere, when these components and parts need cooling, it is necessary in confined space（It is hereinafter referred to as cold
But space）Middle use blower fan carries out circularly cooling to nitrogen, and circulating nitrogen gas carry out heat exchange with cooling medium and take away heat,
To reach the purpose cooled down to parts component of confined space etc..In narrow confined space, by the electricity of blower fan
Machine is placed in one with impeller, except not allowing spatially, and the radiating of motor itself can also influence the refrigerating efficiency of circulating nitrogen gas.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of magnetic coupling and drives sealed wind
Machine, motor is external, impeller is driven using magnetic coupling mode, the use space of confined space is saved, it is ensured that system
Sealing, improve system heat exchange efficiency.
The utility model to achieve the above object, is adopted the following technical scheme that：A kind of magnetic coupling drives sealed blower fan, bag
A fan main body is included, the fan main body is sealed in a non-magnetic confined space, the fan main body drives including blower fan
Axle, draught fan impeller and interior magnetic device, the interior magnetic device be arranged on the blower fan drive shaft shaft end on, the draught fan impeller with
The interior magnetic device is coaxially connected in the middle of the axle of the blower fan drive shaft, and a motor is provided with outside the fan main body,
The motor is connected with an outer magnetic device, and the outer magnetic device is relative with the interior magnetic device position, the outer magnetic device
Coupled with the interior magnetic device.
It is preferred that, the draught fan impeller is spiral helicine axial wheel.
It is preferred that, the interior magnetic device and outer magnetic device include magnet fixed disc and magnet.
It is preferred that, the axle center of the magnet fixed disc and the blower fan drive shaft are coaxial, the magnetic force of the magnet fixed disc
Face is at grade.
It is preferred that, the magnet fixed disc is by including at least two equally distributed square magnet.
The beneficial effect that the utility model reaches is：The magnetic coupling drives sealed blower fan to fill magnetic in fan main body and one
Put and connect and be sealed in a non-magnetic confined space, the outer magnetic device set outside confined space is coupled with interior magnetic device, when
When outer magnetic device is rotated with motor, magnetic field energy penetrates air-gap and non-magnetic shell, drives interior magnetic device to make synchronous rotation
Turn, and then interior magnetic device driving blower fan is operated.The non contact transmission of power is realized using the blower fan of this kind of drive,
Fan main body is completely sealed in confined space, so both save the use space of confined space, it is ensured that be
The sealing of system, it is to avoid motor radiating influences the refrigerating efficiency of circulating nitrogen gas, improves the heat exchange efficiency of system.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of draught fan impeller in the utility model；
Fig. 3 is interior magnetic device structural representation in the utility model；
Wherein, 1, fan main body, 2, blower fan drive shaft, 3, draught fan impeller, 4, interior magnetic device, 41, magnet fixed disc, 42,
Magnet, 5, motor, 6, outer magnetic device.
Embodiment
As shown in Fig. 1 to Fig. 3, a kind of magnetic coupling drives sealed blower fan, including a fan main body 1, the fan main body 1
It is sealed in a non-magnetic confined space, the fan main body 1 includes blower fan drive shaft 2, draught fan impeller 3 and interior magnetic device 4,
The interior magnetic device 4 is arranged on the shaft end of the blower fan drive shaft 2, the draught fan impeller 3 with the interior magnetic device 4 is coaxial connects
In the middle of the axle for being connected on the blower fan drive shaft 2, the outside of the fan main body 1 is provided with a motor 5, the motor 5 with
One outer magnetic device 6 is connected, and the outer magnetic device 6 is relative with the interior position of magnetic device 4, the outer magnetic device 6 and the interior magnetic
Device 4 is coupled.
It is preferred that scheme be, the draught fan impeller 3 be spiral helicine axial wheel, the aial flow impeller is according to the magnetic coupling
What the operating environment and efficiency requirements of the sealed blower fan of conjunction driving were designed.
It is preferred that scheme be, the interior magnetic device 4 and outer magnetic device 6 include magnet fixed disc 41 and magnet 42, it is described
Interior magnetic device 4 includes internal magnet fixed disk and internal magnet, and the outer magnetic device 6 includes external magnet fixed disk and external magnet, described
Internal magnet and external magnet are constituted by S poles and N poles, and the magnet polarities of internal magnet and external magnet are on the contrary, the rotation of external magnet fixed disk
Turn to drive internal magnet fixed disk to be rotated, so as to drive draught fan impeller 3 to be rotated.
It is preferred that scheme be that the axle center of the magnet fixed disc 41 and the blower fan drive shaft 2 are coaxial, and the magnet is fixed
The magnetic force face of disk 41 is at grade.
It is preferred that scheme be that the magnet fixed disc 41 is by including at least two equally distributed square magnet
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, corresponding 3 turns of draught fan impeller
Speed is also bigger.
The utility model is that a kind of magnetic coupling drives sealed blower fan, applied in the confined space of industrial equipment, will be driven
Dynamic electric machine 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.
Operation principle of the present utility model is that the magnetic coupling drives sealed blower fan to connect magnetic device in fan main body and one
Connect and be sealed in a non-magnetic confined space, the outer magnetic device set outside confined space is coupled with interior magnetic device, when outer magnetic
When device is rotated with motor, magnetic field energy penetrates air-gap and non-magnetic shell, drives interior magnetic device to make synchronous rotary, enters
And interior magnetic device driving blower fan is operated.The non contact transmission of power is realized using this mechanism, enable driving impeller by
It is entirely sealed in the confined space of fan main body, the heat that such motor is produced in the course of the work directly radiating is removed
Go, improve the heat exchange efficiency of system, driving external fan also saves the use space of confined space, it is ensured that the sealing of system
Property.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. a kind of magnetic coupling drives sealed blower fan, including a fan main body, it is characterised in that：The fan main body is sealed in one
In non-magnetic confined space, the fan main body includes blower fan drive shaft, draught fan impeller and interior magnetic device, the interior magnetic device
On the shaft end of the blower fan drive shaft, the draught fan impeller is coaxially connected in blower fan driving with the interior magnetic device
In the middle of the axle of axle, a motor is provided with outside the fan main body, the motor is connected with an outer magnetic device, it is described outer
Magnetic device is relative with the interior magnetic device position, and the outer magnetic device is coupled with the interior magnetic device.
2. a kind of magnetic coupling according to claim 1 drives sealed blower fan, it is characterised in that：The draught fan impeller is spiral shell
Revolve the axial wheel of shape.
3. a kind of magnetic coupling according to claim 1 drives sealed blower fan, it is characterised in that：The interior magnetic device and outer
Magnetic device includes magnet fixed disc and magnet.
4. a kind of magnetic coupling according to claim 3 drives sealed blower fan, it is characterised in that：The magnet fixed disc
Axle center and the blower fan drive shaft are coaxial, and the magnetic force face of the magnet fixed disc is at grade.
5. a kind of magnetic coupling according to claim 3 drives sealed blower fan, it is characterised in that：The magnet fixed disc by
Including at least two equally distributed square magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309326.3U CN206448984U (en) | 2016-12-01 | 2016-12-01 | A kind of magnetic coupling drives sealed blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309326.3U CN206448984U (en) | 2016-12-01 | 2016-12-01 | A kind of magnetic coupling drives sealed blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448984U true CN206448984U (en) | 2017-08-29 |
Family
ID=59661493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621309326.3U Expired - Fee Related CN206448984U (en) | 2016-12-01 | 2016-12-01 | A kind of magnetic coupling drives sealed blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382240A (en) * | 2016-12-01 | 2017-02-08 | 无锡溥汇机械科技有限公司 | Magnetic coupling drive seal type draught fan |
-
2016
- 2016-12-01 CN CN201621309326.3U patent/CN206448984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382240A (en) * | 2016-12-01 | 2017-02-08 | 无锡溥汇机械科技有限公司 | Magnetic coupling drive seal type draught fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20191201 |