CN204481668U - Three cartridge type permanent-magnet speed governors - Google Patents
Three cartridge type permanent-magnet speed governors Download PDFInfo
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- CN204481668U CN204481668U CN201520148142.2U CN201520148142U CN204481668U CN 204481668 U CN204481668 U CN 204481668U CN 201520148142 U CN201520148142 U CN 201520148142U CN 204481668 U CN204481668 U CN 204481668U
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Abstract
The utility model discloses a kind of three cartridge type permanent-magnet speed governors, comprise the first rotary components, the second rotary components that coaxial line is installed, also comprise lash adjusting device, described first rotary components comprises power shaft, and the two cylinders be arranged on power shaft, described pair of cylinder comprises spoke, and is arranged on the exterior cylinder at spoke surrounding outer rim place, exterior cylinder of being separated by is provided with inner cylinder body, on described exterior cylinder inner surface, on the outer surface of described inner cylinder body, be all provided with electric conductor; Described second rotary components is a single cylinder made with non-magnet material, and the barrel of described single cylinder is equipped with permanent magnet, and described permanent magnet circumference presses N pole, S pole alternately, and permanent magnet magnetic number of poles is even number, axial same polarity arrangement; The utility model adopts Dual-barrel-shaped structure, and surrounded wherein by permanent magnetism, magnet is two-sided has an effect, and produces eddy current to copper conductor, and induced field strengthens, and improves magnetic field intensity and driving torque.
Description
Technical field
The present invention relates to the mechanical power transmission system in electromechanical engineering, relate to a kind of permanent magnet coupling eddy speed regulating device, particularly relate to a kind of novel double gap adjustment type three cartridge type permanent-magnet speed governor.
Background technology
Invent adjustable magnetic coupler (CN1248354A) from U.S. Magnadrive in 1999, in the drive system be made up of load equipment and motor, achieved soft start, speed is adjustable, overload protection function.At present, the permanent-magnet speed governor of application on site is nothing more than two types: tray type structure (axial type), tub structure (radial).Axial type permanent-magnet speed governor regulates the axial distance between driving link and driven member, namely regulates air-gap; Radial permanent magnet speed regulator is also regulate axial displacement, and coupling area is changed.
Disc type, the cartridge type permanent-magnet speed governor of current application on site fully demonstrate respective superiority.But, there is different problems for Large Speed Governor.Obtain high-power, high torque (HT), disc type speed regulator diameter selects too much, and the vibration of high rotating speed peripheral speed height is large, swings also large.Cartridge type speed regulator axial dimension does very long, and speed regulates difficulty.
The present invention improves the weak point in existing product at this point, at this, a kind of novel permanent magnetic speed regulator is proposed---three cartridge type permanent-magnet speed governors, conductor rotor adopts Dual-barrel-shaped structure, permanent magnetism is surrounded wherein, magnet is two-sided has an effect, produce eddy current to copper conductor, induced field strengthens, and improves magnetic field intensity and driving torque.
Summary of the invention
The object of the invention is to provide a kind of three cartridge type permanent-magnet speed governors, adopting Dual-barrel-shaped structure, surrounded wherein by permanent magnetism, magnet is two-sided has an effect, and produces eddy current to copper conductor, and induced field strengthens, and improves magnetic field intensity and driving torque.
For achieving the above object, technical scheme of the present invention is:
Three cartridge type permanent-magnet speed governors, comprise the first rotary components, the second rotary components that coaxial line is installed, also comprise the lash adjusting device be connected with the first rotary components or the second rotary components, it is characterized in that:
Described first rotary components comprises power shaft, and the two cylinders be arranged on power shaft, described pair of cylinder comprises spoke, and be arranged on the exterior cylinder at spoke surrounding outer rim place, exterior cylinder of being separated by is provided with inner cylinder body, on described exterior cylinder inner surface, on the outer surface of described inner cylinder body, be all provided with electric conductor;
Described second rotary components is a single cylinder made with non-magnet material, the barrel of described single cylinder is mesh-like, it is equipped with permanent magnet, and described permanent magnet circumference presses N pole, S pole alternately, and permanent magnet magnetic number of poles is even number, axial same polarity arrangement;
When mounted, described second rotary components and described first rotary components are socketed, and namely single cylinder cover is received between inner cylinder body and exterior cylinder, forms uniform air-gap between the two.
Do further preferably the present invention, any one in described first rotary components, described second rotary components can as active, and another is as driven.
Do further preferably the present invention, described spoke and described exterior cylinder, described inner cylinder body are split type or integral structure.
Do further preferably the present invention, described electric conductor can be axially one section can be also multistage, and when wherein multistage is spaced, its spacing equals magnet axial size.
Do further preferably the present invention, described permanent magnet can be also multistage being axially one section, and wherein multistage is spaced, and its spacing equals conductor axial dimension.
The present invention is done further preferably, for be mechanically connected or to inlay fixing between described permanent magnet and single cylinder.
Do further preferably the present invention, described lash adjusting device makes the first rotary components or the second rotary components produce axial displacement, changes the coupling area between permanent magnet and electric conductor, realizes bearing axle output speed torque change.
The present invention is done further preferably, outside at the power shaft of described first rotary components, be provided with a set of cups in the output shaft outside of described second rotary components each via rolling bearing, the output shaft other end of described second rotary components by sliding supported condition in two cylinders of described first rotary components.
Do further preferably the present invention, also comprise water cooling plant, described water cooling plant comprises water tank, in described water tank, cooler is set, outer wall is provided with water inlet pipe and water goes out pipe, goes out on pipe to be provided with valve, between described water inlet pipe and described water tank, be provided with filter and magnetic filter at described water.
Compared with prior art, beneficial effect of the present invention:
In the present invention, the first rotary components adopts Dual-barrel-shaped structure, and surrounded wherein by permanent magnetism, permanent magnetism has dual suction to inside and outside irony barrel; In addition, inside urceolus and on the outer side tube-wall of inner core, one deck conductor plate is housed, drives any one rotary components, the relative multi-pole magnet-ring cutting magnetic line of conductor plate, magnet is two-sided has an effect, and conductor plate will produce induced current (eddy current) on the surface, and this induced current produces induced field.Permanent magnetic field and induced field synergy, make driven rotor produce one and turn to identical torque with power rotor, thus drive driven rotor rotating Vortex, realizes the noncontact transmission of torque.The present invention changes the axial location of the bitubular and middle cylinder, then change the size of induced field, realizes output speed change.
As can be seen from Finite Element Magnetic Field Analysis, the magnetic line of force acted on copper conductor is obviously intensive, and the magnetic line of force acting on inside and outside cylinder is all pass perpendicularly through conductor layer.Magnetic field intensity and the obvious increase compared with disc type, double-cylinder type of magnetic flux density value at air gap place; Again because there is two-layer conductor in this structure, the magnetic flux density produced by rotating conductor rotor has increase at double compared with double-cylinder type, thus the magnetic torque that drive p-m rotor is rotated increases, and Driving Torque is increased.The present invention can think: the reasonable in design of three cartridge type permanent-magnet speed governors make use of space, compact conformation, is particularly suited for the regulator drive of high-power machinery.
Concrete scheme of the present invention has 2 kinds:
The first scheme: the first rotary components in the present invention connects prime mover, carries out original position rotation, and the second rotary components connection device, can move axially and change load equipment rotating speed, such speed regulating device are positioned at load-side.
First scheme: in the present invention, the second rotary components is as being initiatively connected with prime mover, realize original position and rotate, and the first rotary components moves axially, and changes load equipment rotating speed, such speed regulating device are positioned at prime mover side.
As from the foregoing, the present invention adopts Dual-barrel-shaped structure, and surrounded wherein by permanent magnetism, magnet is two-sided has an effect, and produces eddy current to copper conductor, and induced field strengthens, and improves magnetic field intensity and driving torque.
In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structural representation of water cooling plant in the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, present embodiment discloses a kind of three cartridge type permanent-magnet speed governors, comprise the first rotary components that coaxial line is installed, second rotary components, also comprise the lash adjusting device be connected with the first rotary components or the second rotary components, it is characterized in that: described first rotary components comprises power shaft 1, and the two cylinders 2 be arranged on power shaft 1, described pair of cylinder 2 comprises spoke, and be arranged on the exterior cylinder 3 at spoke surrounding outer rim place, exterior cylinder 3 of being separated by is provided with inner cylinder body 4, on described exterior cylinder 3 inner surface, the outer surface of described inner cylinder body 4 is all provided with electric conductor 5, described second rotary components is a single cylinder 6 made with non-magnet material, the barrel of described single cylinder 6 is mesh-like, permanent magnet 7 it is equipped with, described permanent magnet 7 circumference presses N pole, S pole alternately, permanent magnet 7 number of magnetic poles is even number, axial same polarity arrangement, when mounted, described second rotary components and described first rotary components are socketed, and namely single cylinder 6 cover is received between inner cylinder body 4 and exterior cylinder 3, forms uniform air-gap between the two.
Any one in first rotary components described in the present invention, described second rotary components can as active, and another is as driven.
In order to meet better Production requirement, spoke described in the present invention and described exterior cylinder 3, described inner cylinder body 4 are split type or integral structure.
Electric conductor 5 described in the present invention can be axially one section also can be multistage, when wherein multistage is spaced, its spacing equals magnet axial size, permanent magnet 7 described in the present invention also can be multistage being axially one section, wherein multistage is spaced, its spacing equals conductor axial dimension, for be mechanically connected or to inlay fixing between described permanent magnet 7 and single cylinder 6.
Lash adjusting device described in the present invention makes the first rotary components or the second rotary components produce axial displacement, changes the coupling area between permanent magnet 7 and electric conductor 5, realizes bearing axle output speed torque change.
Power shaft 1 at described first rotary components in the present invention is outside, be provided with a set of cups 10 in output shaft 8 outside of described second rotary components each via rolling bearing 9, output shaft 8 other end of described second rotary components is bearing in by sliding bearing 11 in two cylinders 2 of described first rotary components, such vibrational power flow, coaxial installation can well be realized, improve installation effectiveness, simultaneously also mounting or dismounting and adjustment axial displacement greatly easily.
Also water cooling plant is comprised in the present invention, described water cooling plant comprises water tank 12, in described water tank 12, cooler 13 is set, outer wall is provided with water inlet pipe 14 and water goes out pipe 15, go out on pipe 15 to be provided with valve 16 at described water, filter 17 and magnetic filter 18 is provided with between described water inlet pipe 14 and described water tank 12, water cooling plant in the present invention is when being actual use, can cool rotary components simultaneously, nozzle can be adopted directly to spray the rotary components of outside, and the rotary components of inside is entered by spoke circular hole, the perforate on spoke of such needs is used for water inlet pipe 14.Certain water cooling plant of the present invention is not limited to this, also can blow cooling with fan.
In the present invention, permanent magnet 7 is under controller action, and when reciprocating vertically, the area of contact between permanent magnet 7 and electric conductor 5 changes.Area of contact is large, and the moment of torsion of transmission is large, and load speed is high; Area of contact is little, and the moment of torsion of transmission is little, and load speed is low; Area of contact is zero, and transmitting torque is zero, and p-m rotor and conductor rotor are thrown off completely, and p-m rotor rotating speed is zero, and load speed is also zero.
The present invention, when starting, moves to the axial displacement between driving and driven rotor maximum by speed regulating device, and electric conductor 5 and permanent magnet 7 are thrown off, and realizes zero load and starts; After electric motor starting, more slowly increase the coupling area between electric conductor 5 rotor and permanent magnet 7, load is accelerated gradually, make whole start-up course steady, impact little, realize the soft start of motor.After motor is stable, then by speed regulating device, preposition is transferred in the position of driving and driven rotor.
When apparatus overload or stall, dtc signal feeds back to controller, and the moment transmission of motor to equipment can disconnect by three barrel-type permanent magnet speed regulators automatically completely, and now empty load of motor runs, and stalling, can eliminate the system damage caused because of overload completely.
In actual operation process, feed back to controller according to flow, pressure, dtc signal, governing system changes the distance between power rotor and driven rotor at any time, realizes the size of speed Control output speed, power and torque.
The foregoing is only embodiments of the invention, not to the restriction of this case design, all equivalent variations done according to the design key of this case, all fall into the protection range of this case.
Claims (9)
1. three cartridge type permanent-magnet speed governors, comprise the first rotary components, the second rotary components that coaxial line is installed, also comprise the lash adjusting device be connected with the first rotary components or the second rotary components, it is characterized in that:
Described first rotary components comprises power shaft, and the two cylinders be arranged on power shaft, described pair of cylinder comprises spoke, and be arranged on the exterior cylinder at spoke surrounding outer rim place, exterior cylinder of being separated by is provided with inner cylinder body, on described exterior cylinder inner surface, on the outer surface of described inner cylinder body, be all provided with electric conductor;
Described second rotary components is a single cylinder made with non-magnet material, the barrel of described single cylinder is mesh-like, it is equipped with permanent magnet, and described permanent magnet circumference presses N pole, S pole alternately, and permanent magnet magnetic number of poles is even number, axial same polarity arrangement;
When mounted, described second rotary components and described first rotary components are socketed, and namely single cylinder cover is received between inner cylinder body and exterior cylinder, forms uniform air-gap between the two.
2. three cartridge type permanent-magnet speed governors according to claim 1, is characterized in that: any one in described first rotary components, described second rotary components can as initiatively, and another is as driven.
3. three cartridge type permanent-magnet speed governors according to claim 1, is characterized in that: described spoke and described exterior cylinder, described inner cylinder body are split type or integral structure.
4. three cartridge type permanent-magnet speed governors according to claim 1, is characterized in that: described electric conductor can be axially one section can be also multistage, and when wherein multistage is spaced, its spacing equals magnet axial size.
5. three cartridge type permanent-magnet speed governors according to claim 1, is characterized in that: described permanent magnet can be also multistage being axially one section, and wherein multistage is spaced, and its spacing equals conductor axial dimension.
6. three cartridge type permanent-magnet speed governors according to claim 1, is characterized in that: for be mechanically connected or to inlay fixing between described permanent magnet and single cylinder.
7. three cartridge type permanent-magnet speed governors according to claim 1, it is characterized in that: described lash adjusting device makes the first rotary components or the second rotary components produce axial displacement, change the coupling area between permanent magnet and electric conductor, realize bearing axle output speed torque change.
8. three cartridge type permanent-magnet speed governors according to claim 1, it is characterized in that: outside at the power shaft of described first rotary components, be provided with a set of cups in the output shaft outside of described second rotary components each via rolling bearing, the output shaft other end of described second rotary components by sliding supported condition in two cylinders of described first rotary components.
9. three cartridge type permanent-magnet speed governors according to claim 1, it is characterized in that: also comprise water cooling plant, described water cooling plant comprises water tank, in described water tank, cooler is set, outer wall is provided with water inlet pipe and water goes out pipe, go out on pipe to be provided with valve at described water, between described water inlet pipe and described water tank, be provided with filter and magnetic filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148142.2U CN204481668U (en) | 2015-03-10 | 2015-03-10 | Three cartridge type permanent-magnet speed governors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148142.2U CN204481668U (en) | 2015-03-10 | 2015-03-10 | Three cartridge type permanent-magnet speed governors |
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| Publication Number | Publication Date |
|---|---|
| CN204481668U true CN204481668U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520148142.2U Active CN204481668U (en) | 2015-03-10 | 2015-03-10 | Three cartridge type permanent-magnet speed governors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734458A (en) * | 2015-03-10 | 2015-06-24 | 诸暨和创磁电科技有限公司 | Three-cylinder permanent magnet governor |
| CN114465442A (en) * | 2022-01-11 | 2022-05-10 | 广东工业大学 | Speed regulator |
-
2015
- 2015-03-10 CN CN201520148142.2U patent/CN204481668U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734458A (en) * | 2015-03-10 | 2015-06-24 | 诸暨和创磁电科技有限公司 | Three-cylinder permanent magnet governor |
| CN114465442A (en) * | 2022-01-11 | 2022-05-10 | 广东工业大学 | Speed regulator |
| CN114465442B (en) * | 2022-01-11 | 2023-08-01 | 广东工业大学 | Speed regulator |
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