CN209676105U - A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor - Google Patents
A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor Download PDFInfo
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- CN209676105U CN209676105U CN201920503356.5U CN201920503356U CN209676105U CN 209676105 U CN209676105 U CN 209676105U CN 201920503356 U CN201920503356 U CN 201920503356U CN 209676105 U CN209676105 U CN 209676105U
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- back iron
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- eddy current
- permanent
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Abstract
The utility model discloses a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governors, including two cartridge type cascaded structures and a tray type structure, and wherein core structure is formed in the form of two-sided permanent magnet body rotor and conductor fluting.The governor can be improved permanent-magnet eddy current governor magnetic energy density, reduce eddy-current heating, improve output power, shorten the adjusting stroke of high-power permanent magnet eddy speed regulating device, improve speed adjusting performance and efficiency.Under conditions of providing the output power of same size, volume needed for whole device is smaller, so that occupied space is smaller, material is saved, and has saved economic cost.
Description
Technical field
The present invention relates to electrical control field of engineering technology, and in particular to a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor.
Background technique
With the continuous intensification of the energy and crisis awareness, energy-saving and emission-reduction, promoting green low-carbon development, to have obtained the world each
The extensive concern of state, various countries propose to develop new energy one after another, and innovation improves existing energy utilization rate, realize industry restructuring with
The new measure of upgrading.
Speed regulation is one of blower, the new direction of load of the pumps power-saving technology development.The three of the output power of motor and revolving speed
Power is directly proportional, therefore when reduction rotational speed regulation load flow or pressure, the output power of motor can be reduced, to realize energy conservation
Effect.
Permanent-magnet eddy current governor passes through magnetic field coupling between conductor rotor and PM rotor, realizes torque transfer, can
Well in above-mentioned severe environment applications, at the same also have soft start, vibration isolation, without accurate calibration, do not generate electromagnetic interference with
The advantages that harmonic current.Permanent-magnet eddy current speed regulation is as a kind of novel contactless flexible energy-saving speed regulation device, when load is overloaded
When, motor and load can be isolated, be easy to search failure.Contactless connection is effectively prevented between motor and load
Vibration transmitting, and reduce noise, it is high to improve equipment operational reliability, therefore largely reduce operating cost.
As permanent-magnet eddy current governor is developed from small-power to high-power direction, existing permanent-magnet eddy current governor is non-homogeneous
Under high load condition, larger, temperature rise that there are volumes is comparatively fast, adjusting stroke is long, installs and uses the series of problems such as inconvenience.
Summary of the invention
The present invention in view of the foregoing drawbacks, provides a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor, and specific technical solution is as follows:
A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor, including motor shaft and bearing shaft, the motor shaft and bearing shaft are coaxial
Line setting, motor shaft and bearing shaft can in axial direction move close to each other or separate, which is characterized in that the motor shaft and negative
It carries the distribution of axis opposed end and is provided with disc type conductor and desk permanent-magnet body, cylindric motor back is socketed on the motor shaft
Iron, the motor back iron is open-ended, and back iron in load is socketed on the bearing shaft and loads outer back iron, back in the load
Iron and the outer back iron of load are cylinder-like structure, load interior back iron and are socketed in the outer back iron of load, motor back iron is socketed in load
On the outside of interior back iron and load on the inside of interior back iron note；The motor back iron inside and outside wall is correspondingly arranged on cartridge type conductor, loads outer back iron
It is respectively corresponded on back iron lateral wall in inner sidewall and load and is provided with outer layer permanent magnet and internal layer permanent magnet.
As a kind of improvement of this programme, the cartridge type conductor, internal layer permanent magnet and outer layer permanent magnet are circular ring structure,
And three's width is equal.
As a kind of improvement of this programme, the cartridge type conductor is the item for being uniformly distributed setting for one week around motor back iron side wall
Shape arc plate constitute, motor back iron outboard sidewalls be uniformly arranged it is fluted, constitute cartridge type conductor strip arc plate be respectively embedded into
In groove.
As a kind of improvement of this programme, the cartridge type conductor, internal layer permanent magnet and outer layer permanent magnet are provided with much
In 2 groups, three is uniformly distributed setting along axial direction.
As a kind of improvement of this programme, distance is greater than cartridge type conductor width, outer layer permanent magnetism between adjacent internal layer permanent magnet
Body is correspondingly arranged with internal layer permanent magnet.
When being in maximum distance as a kind of improvement of this programme, between motor shaft and bearing shaft opposed end, disc type conductor
Distance is single group cartridge type conductor width between desk permanent-magnet body.
When being in maximum distance as a kind of improvement of this programme, between motor shaft and bearing shaft opposed end, every group of cartridge type
Conductor is located just between two groups of adjacent internal layer permanent magnets and outer layer permanent magnet.
The invention adopts the above technical scheme compared with prior art, and what is had has the technical effect that
1, the present invention improves permanent-magnet eddy current governor magnetic energy by two cartridge type cascaded structures of setting and a tray type structure
Density can significantly improve output power compared with the independent cartridge type or desk permanent-magnet eddy speed regulating device that occupy same volume；
2, disclosed in this invention governor further decrease the volume and quality of entire governor, be convenient for practical application
The arrangement and installation of governor in the process；
3, cartridge type conductor, internal layer permanent magnet and outer layer permanent magnet are provided with along axial equally distributed more in the present invention
Group greatly shortens adjusting stroke, greatly improves speed adjusting performance and efficiency relative to traditional governor；
4, core structure and conductor-permanent magnet assembly of tray type structure have unified adjusting stroke in the present invention, are convenient for
Concentration is adjusted；
5, the ring shaped conductor that cartridge type conductor is constituted in the present invention for multiple arcs laminated structure effectively reduces vortex damage
Consumption reduces device fever；
/ 6, disclosed in this invention governor, provide the output power of same size, volume needed for whole device is more
Small, so that occupied space is smaller, material is saved, and has saved economic cost.
Detailed description of the invention
Fig. 1, the NEW TYPE OF COMPOSITE permanent-magnet eddy current governor structure schematic diagram；
Fig. 2, the NEW TYPE OF COMPOSITE permanent-magnet eddy current governor sectional view.
Appended drawing reference: 1, motor shaft；2, bearing shaft；3, motor back iron；4, back iron in loading；5, outer back iron is loaded；6, disk
Formula conductor；7, desk permanent-magnet body；8, cartridge type conductor；9, internal layer permanent magnet；10, outer layer permanent magnet；11, air gap.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.
It is a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor, including motor shaft 1 and bearing shaft 2,1 He of motor shaft as shown in Figure 1
Bearing shaft 2 is coaxially set, and motor shaft 1 and bearing shaft 2 can in axial direction move close to each other or separate.Motor shaft 1 and negative
It carries the distribution of 2 opposed end of axis and is provided with disc type conductor 6 and desk permanent-magnet body 7.Cylindric motor back iron is socketed on motor shaft 1
3, motor back iron 3 is open-ended, and back iron 4 in load is socketed on bearing shaft 2 and loads outer back iron 5, back iron 4 and load in load
Outer back iron 5 is cylinder-like structure, loads interior back iron 4 and is socketed in the outer back iron 5 of load, motor back iron 3 is socketed in back in load
In 4 outside of iron and load on the inside of 4 note of back iron.3 inside and outside wall of motor back iron is correspondingly arranged on cartridge type conductor 8, outer load back iron inside
It is respectively corresponded on wall and interior load back iron lateral wall and is provided with outer layer permanent magnet 10 and internal layer permanent magnet 9.
Cartridge type conductor 8, internal layer permanent magnet 9 and outer layer permanent magnet 10 are circular ring structure, and three's width is equal.Cartridge type is led
Body 8, internal layer permanent magnet 9 and outer layer permanent magnet 10 are provided with 2 groups, and three is uniformly distributed setting along axial direction.As this programme
A kind of improvement, distance is greater than 8 width of cartridge type conductor, outer layer permanent magnet 10 and internal layer permanent magnet 9 between adjacent internal layer permanent magnet 9
It is correspondingly arranged.When being in maximum distance between 2 opposed end of motor shaft 1 and bearing shaft, 7 spacing of disc type conductor 6 and desk permanent-magnet body
From for 8 width of single group cartridge type conductor, meanwhile, every group of cartridge type conductor 8 is located just at two groups of adjacent internal layer permanent magnets 9 and outer layer forever
Between magnet 10.
As shown in Fig. 2, cartridge type conductor 8 is the strip arc plate composition for being uniformly distributed setting for one week around 3 side wall of motor back iron,
3 outboard sidewalls of motor back iron be uniformly arranged it is fluted, constitute cartridge type conductor 8 strip arc plate be respectively embedded in groove.Outside
There is air gap 11 between layer permanent magnet 10 and cartridge type conductor 8, there is air gap 11 between internal layer permanent magnet 9 and cartridge type conductor 8.
Governor in actual use, due to being provided with multiple groups cartridge type conductor 8, outer layer permanent magnet 10 and internal layer permanent magnet 9,
When being adjusted, in the adjustable range for adjusting stroke L, every group of cartridge type conductor 8, outer layer permanent magnet 10 and internal layer permanent magnet 9
Magnetic force adjustment has been carried out, relative to traditional single-cylinder type adjuster, the length for adjusting stroke L has been substantially reduced, is easy to use.
Simultaneously as outside is provided with the cartridge type back iron with permanent magnet in motor back iron 3, in the identical situation of equipment volume,
Magnetic energy density is significantly increased, governor real work efficiency is improved.Since cartridge type conductor 8 is muti-piece strip circular arc board group
At there is certain interval between every piece of strip arc plate, effectively reduce eddy-current loss, reduce device fever.Institute in the present invention
Disclosed governor provides the output power of same size, and volume needed for whole device is smaller, so that occupied space is smaller,
Material is saved, and economic cost has been saved.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (7)
1. a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor, including motor shaft (1) and bearing shaft (2), the motor shaft (1) and load
Axis (2) is coaxially set, and motor shaft (1) and bearing shaft (2) can in axial direction move close to each other or separate, and feature exists
In the motor shaft (1) and the distribution of bearing shaft (2) opposed end are provided with disc type conductor (6) and desk permanent-magnet body (7), described
Cylindric motor back iron (3) is socketed on motor shaft (1), the motor back iron (3) is open-ended, on the bearing shaft (2)
It is socketed with back iron (4) and the outer back iron (5) of load in load, back iron (4) and the outer back iron (5) of load are cylindrical shape in the load
Structure, load in back iron (4) be socketed in the outer back iron (5) of load, motor back iron (3) be socketed in load back iron (4) outside and
In loading on the inside of back iron (4) note；Motor back iron (3) inside and outside wall is correspondingly arranged on cartridge type conductor (8), loads outer back iron (5)
It is respectively corresponded on back iron (4) lateral wall in inner sidewall and load and is provided with outer layer permanent magnet (10) and internal layer permanent magnet (9).
2. a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor according to claim 1, which is characterized in that the cartridge type conductor
(8), internal layer permanent magnet (9) and outer layer permanent magnet (10) are circular ring structure, and three's width is equal.
3. a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor according to claim 2, which is characterized in that the cartridge type conductor
(8) it is constituted to be uniformly distributed within one week the strip arc plate of setting around motor back iron (3) side wall, motor back iron (3) outboard sidewalls are equal
Even setting is fluted, and the strip arc plate for constituting cartridge type conductor (8) is respectively embedded in groove.
4. a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor according to claim 3, which is characterized in that the cartridge type conductor
(8), internal layer permanent magnet (9) and outer layer permanent magnet (10) are provided with no less than 2 groups, and three is uniformly distributed setting along axial direction.
5. a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor according to claim 4, which is characterized in that adjacent internal layer permanent magnetism
Distance is greater than cartridge type conductor (8) width between body (9), and outer layer permanent magnet (10) is correspondingly arranged with internal layer permanent magnet (9).
6. a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor according to claim 5, which is characterized in that motor shaft (1) and negative
When being in maximum distance between load axis (2) opposed end, distance is that single group cartridge type is led between disc type conductor (6) and desk permanent-magnet body (7)
Body (8) width.
7. a kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor according to claim 6, which is characterized in that motor shaft (1) and negative
When being in maximum distance between load axis (2) opposed end, every group of cartridge type conductor (8) is located just at two groups of adjacent internal layer permanent magnets
(9) between outer layer permanent magnet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503356.5U CN209676105U (en) | 2019-04-15 | 2019-04-15 | A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503356.5U CN209676105U (en) | 2019-04-15 | 2019-04-15 | A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor |
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| CN209676105U true CN209676105U (en) | 2019-11-22 |
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| CN201920503356.5U Active CN209676105U (en) | 2019-04-15 | 2019-04-15 | A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831087A (en) * | 2019-04-15 | 2019-05-31 | 金陵科技学院 | A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor |
| CN111786535A (en) * | 2020-07-01 | 2020-10-16 | 中原工学院 | Multi-group combined type permanent magnet eddy current coupler |
-
2019
- 2019-04-15 CN CN201920503356.5U patent/CN209676105U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831087A (en) * | 2019-04-15 | 2019-05-31 | 金陵科技学院 | A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor |
| CN109831087B (en) * | 2019-04-15 | 2023-08-08 | 金陵科技学院 | Novel compound permanent magnet eddy current speed regulator |
| CN111786535A (en) * | 2020-07-01 | 2020-10-16 | 中原工学院 | Multi-group combined type permanent magnet eddy current coupler |
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