CN101982932B - Disc water-cooling permanent magnet eddy current speed regulation device - Google Patents
Disc water-cooling permanent magnet eddy current speed regulation device Download PDFInfo
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- CN101982932B CN101982932B CN 201010291183 CN201010291183A CN101982932B CN 101982932 B CN101982932 B CN 101982932B CN 201010291183 CN201010291183 CN 201010291183 CN 201010291183 A CN201010291183 A CN 201010291183A CN 101982932 B CN101982932 B CN 101982932B
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Abstract
The invention discloses a disc water-cooling permanent magnet eddy current speed regulation device which comprises conductor rotators and permanent magnet rotors and is characterized by also comprising an air gap adjustment mechanism and a water-cooling mechanism, wherein the permanent magnet rotors are arranged between the conductor rotators, the air gap adjustment mechanism is connected with the conductor rotators, and the water-cooling mechanism is arranged on the conductor rotators. In the invention, change of the included angle between connecting bars and the up and down sliding of connecting bar shaft pins in a sliding rail are utilized to adjust distance so as to ensure that the distances between two pairs of permanent magnet rotors and conductor rotators interacting with each other are changed equally, and the structure of the speed regulation device is simple, thereby being convenient to process and install; water piloting ribs, the negative pressure principle and the centrifugal force effect are utilized, water can be piloted by a flume to evenly flow past the back iron surfaces of conductors and then thrown away along with the rotation of the conductor rotators from the outboards of the conductor rotators, and heat quantity is brought away, thus cooling effect can be obtained; and when a main water supply system has faults, a buffer tank is started to continue supplying water until the faults are removed, thus the normal operation of the device can not be influenced by the faults of the water supply system.
Description
Technical field
What the present invention relates to is a kind of device for motor permanent magnetic speed-adjusting field, in particular a kind of disk-type water cooling permanent magnet eddy current speed regulating device.
Background technology
The permanent magnetic speed-adjusting technology is a kind of New-type electric machine variable speed energy saving technology, it adopts high performance rare earth permanent-magnetic material to produce magnetic field, air gap between the metallic conductor of adjusting rotary permanent-magnet and generation eddy current is regulated magnetic field wherein, obtaining adjustable, controllable, constant load speed, thereby realize that loading speed is regulated and energy-conservation.
Operation principle: conductor rotor and p-m rotor can freely independently rotate, when rotating conductor rotor, conductor rotor and p-m rotor produce relative motion, alternating magnetic field produces eddy current by air gap at conductor, eddy current produces induced field and permanent magnetic field interaction simultaneously, thereby drive p-m rotor along the direction rotation identical with conductor rotor, the result produces moment of torsion at the load-side driven shaft, and the band dynamic load rotates.The words that air gap between conductor rotor and p-m rotor changes by the air gap governor motion just can be controlled the moment of torsion of transmission, obtaining adjustable, controllable, constant load speed, thereby realize the loading speed adjusting.
Mutually keep independent operating between prime mover of permanent magnetic speed-adjusting energy saver and the load, there is not mechanical connection, the transmission and the desaxe problem that do not have the load vibration, thereby greatly improve the reliability of whole system, reduce maintenance cost, long service life, and to electrical network without any harmonic pollution.
Based on above advantage, the permanent magnetic speed-adjusting technology has good application demand in the large-size machine drive system, can replace high voltage converter fully.But along with the increase of power grade, for the equipment that surpasses 300kW, air cooling way has not satisfied the heat radiation requirement.
Summary of the invention
Goal of the invention: the object of the invention is to overcome the deficiencies in the prior art, a kind of disk-type water cooling permanent magnet eddy current speed regulating device is provided, utilize variable angle and the connecting rod pivot pin of connecting rod in slide rail, to slide up and down adjustable range can guarantee changing apart from equivalent between two pairs of interactional p-m rotors and conductor rotor, and simple in structure, be convenient to processing and installation, can satisfy the permanent magnet speed regulation device heat radiation requirement of high-power grade, be applied in the large-size machine drive system.
Technical scheme: the present invention is achieved by the following technical solutions, the present invention includes conductor rotor and p-m rotor, it is characterized in that, also comprise air gap governor motion and magnetism servo-electric motor water-cooling, wherein: p-m rotor is located between the conductor rotor, the air gap governor motion links to each other with p-m rotor, and magnetism servo-electric motor water-cooling is located on the conductor rotor;
Described conductor rotor comprises conductor disc, back iron and supporting bracket, and wherein: back iron is located at the surface of conductor disc, and magnetism servo-electric motor water-cooling links to each other with back iron, and described conductor rotor has two, and two back irons link to each other by supporting bracket is coaxial;
Described p-m rotor comprises permanent magnet, permanent magnetism cover, magnetic guiding loop and spline housing, wherein: permanent magnet is embedded in the permanent magnetism cover, magnetic guiding loop is attached at the inner surface of permanent magnet and permanent magnetism cover, and spline housing links to each other with magnetic guiding loop, and two coaxial p-m rotors are located between two conductor rotor;
Described magnetism servo-electric motor water-cooling includes the mouth of a river, water fender and gutter, and wherein: water fender is located at the outer surface of back iron, and the water fender top connects into the mouth of a river, and gutter is located on the back iron.
Described air gap governor motion comprises connecting rod, pivot pin, slide rail, fixed handle, bearing, lead set, helical pitch seat, spline driven shaft and regulating handle, wherein: connecting rod links to each other with magnetic guiding loop, slide rail links to each other by pivot pin with connecting rod, the helical pitch seat links to each other with the spline driven shaft by bearing, lead set links to each other with spline housing by bearing, regulating handle links to each other with the helical pitch seat, and fixed handle links to each other with lead set.
Described gutter is helical form, and the incline direction of gutter section is opposite with the direction of rotation of conductor rotor.
Establish bossed water guide rib on the described gutter.
Described magnetism servo-electric motor water-cooling also comprises main water supply system, return water system and buffer tank, and main water supply system links to each other with water inlet respectively with buffer tank, and return water system links to each other with buffer tank.
Be provided with the trapezoidal thread that four-head cooperatively interacts in described lead set and the helical pitch seat.
When the present invention works, two coaxial conductor rotors that the present invention has added magnetism servo-electric motor water-cooling link to each other with prime mover, two coaxial p-m rotors that connected by the air gap governor motion link to each other with load, two coaxial conductor rotors are connected by supporting bracket, be fixed in prime mover main shaft, the air gap governor motion is pulled regulating handle by actuator and can be rotated the helical pitch seat and make the lead set axial translation in 90 ° of scopes take fixed handle as benchmark, drivening rod opens or is closed, the connecting rod pivot pin slides in slide rail, guaranteed changing apart from equivalent between two pairs of interactional p-m rotors and conductor rotor, realize regulating the size of air-gap field, the regulating load rotating speed, power output and output torque.When rotating conductor rotor, can produce a large amount of negative pressure in the gutter, water system is during from the water inlet water filling, the negative pressure that current produce in the time of can being cut and be rotated by the water guide rib of projection between the gutter sucks in the gutter, uniform-flow is crossed the back iron surface under the centrifugal action that the conductor rotor of the guiding of gutter and rotation produces, and throw away from the conductor rotor outer with the rotation of conductor rotor, take away heat.Water system comprises main water supply system and buffer tank.Main water supply system has two water channels, is respectively main channel and alternate channel, and when break down in the main channel, the controller in the return water system will be opened alternate channel and continue to supply water.When the water source of main water supply system breaks down or two water channels when all breaking down, the controller in the return water system will be opened buffer tank and continue to supply water until fault is got rid of.The moisture storage capacity of buffer tank can guarantee enough to input cooling water to equipment before fault is got rid of, thereby the fault of water system will can not have influence on the normal operation of equipment.
Beneficial effect: the present invention utilizes the variable angle of connecting rod and connecting rod pivot pin to slide up and down adjustable range can guarantee changing apart from equivalent between two pairs of interactional p-m rotors and conductor rotor in slide rail, and simple in structure, is convenient to processing and installation; Use the trapezoidal steep-lead thread of four-head to guarantee mechanical strength on helical pitch seat and the lead set, reduced other constitutional detail because part is few, parts are small and exquisite, lightweight, greatly reduced moment of inertia and momentum, and the process stabilizing performance is good; The transmission of moment is to pass to the spline driven shaft by spline housing, so the branch of power is comparatively reasonable; Utilize rolling tangential and principle of negative pressure, gutter can guide the current uniform-flow to cross conductor back iron surface, and throws away from the conductor rotor outer with the rotation of conductor rotor, takes away heat, plays cooling effect; When main water supply system breaks down, open buffer tank and continue to supply water until fault is got rid of, thereby the fault of water system will can not have influence on the normal operation of device.
Description of drawings
Structural representation when Fig. 1 is maximum air gap of the present invention;
Structural representation when Fig. 2 is minimal air gap of the present invention;
Fig. 3 is the partial schematic diagram of gutter;
Fig. 4 is the structural representation of magnetism servo-electric motor water-cooling.
Embodiment
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As depicted in figs. 1 and 2, the present embodiment comprises conductor rotor, p-m rotor, air gap governor motion and magnetism servo-electric motor water-cooling, and wherein: p-m rotor is located between the conductor rotor, and the air gap governor motion links to each other with p-m rotor, and magnetism servo-electric motor water-cooling is located on the conductor rotor; Two coaxial conductor rotors that added magnetism servo-electric motor water-cooling link to each other with prime mover, and two coaxial p-m rotors that connected by the air gap governor motion link to each other with load;
Described conductor rotor comprises conductor disc 6, supporting bracket 10 and back iron 5, wherein: back iron 5 is located at the surface of conductor disc 6, magnetism servo-electric motor water-cooling links to each other with back iron 5, back iron 5 is fixed on the rotary main shaft 1, described conductor rotor has two, coaxial linking to each other, the back iron 5 of described two conductor rotor was fixed on the rotary main shaft 1 by 10 coaxial linking to each other of supporting bracket;
Described p-m rotor comprises permanent magnet 8, permanent magnetism cover 7, magnetic guiding loop 9 and spline housing 18, wherein: permanent magnet 8 is embedded in the permanent magnetism cover 7, magnetic guiding loop 9 is attached at the inner surface of permanent magnet 8 and permanent magnetism cover 7, spline housing 18 links to each other with magnetic guiding loop 9, described p-m rotor has two, two coaxial p-m rotors are located between two coaxial conductor rotors, are connected by the air gap governor motion, are fixed on the spline driven shaft 19 by spline housing 18;
Described magnetism servo-electric motor water-cooling includes the mouth of a river 2, water fender 3 and gutter 4, and wherein: water fender 3 is located at the outer surface of back iron 5, and water fender 3 tops connect into the mouth of a river 2, and gutter 4 is located on the back iron 5.
Described air gap governor motion comprises connecting rod 11, pivot pin 12, slide rail 13, fixed handle 14, bearing 15, lead set 16, helical pitch seat 17, spline driven shaft 19 and regulating handle 20, wherein: connecting rod 11 links to each other with magnetic guiding loop 9, slide rail 13 links to each other by pivot pin 12 with connecting rod 11, helical pitch seat 17 links to each other with spline driven shaft 19 by bearing 15, lead set 16 links to each other with spline housing 18 by bearing 15, regulating handle 20 links to each other with helical pitch seat 17, and fixed handle 14 links to each other with lead set 16.The transmission of moment is to pass to spline driven shaft 19 by spline housing 18, so the branch of power is comparatively reasonable.Be provided with the trapezoidal thread that four-head cooperatively interacts in described lead set 16 and the helical pitch seat 17, its pitch matches with rotatable handle scope and air gap adjustable range, the displacement that guarantees handle lead set 16 in rotating range satisfies air gap adjusting requirement, guaranteed mechanical strength, reduced other constitutional detail, because part is few, parts are small and exquisite, lightweight, greatly reduced moment of inertia and momentum, and the process stabilizing performance is good.Pulling regulating handle 20 take fixed handle 14 as benchmark by operating mechanism in 90 ° of scopes can rotate helical pitch seat 17 and make lead set 16 axial translations, drivening rod 11 opens or is closed, pivot pin 12 slides up and down in slide rail 13, guaranteed changing apart from equivalent between two pairs of interactional p-m rotors and conductor rotor, realize regulating the size of air-gap field, regulating load rotating speed, power output and output torque.The length of slide rail 13 should satisfy air gap and regulate requirement.
As shown in Figure 3, described gutter 4 is engraved on back iron 5 surfaces, and the direction of arrow represents direction of rotation.Described gutter 4 is helical forms, and the incline direction of gutter 4 sections is opposite with the direction of rotation of conductor rotor, establishes bossed water guide rib 21 on the described gutter 4.When main shaft 1 rotarily drove rotating conductor rotor, gutter 4 is interior can to produce negative pressure simultaneously.The negative pressure that current produce in the time of can being cut and be rotated by the water guide rib 21 of projection between the gutter 4 sucks in the gutter 4, uniform-flow is crossed back iron 5 surfaces under the centrifugal action that the conductor rotor of the guiding of gutter 4 and rotation produces, and throw away from the conductor rotor outer with the rotation of conductor rotor, take away heat, play cooling effect.The water that throws away will be blocked and collect from fixedly delivery port outflow by the seal closure of device outside.
As shown in Figure 4, described magnetism servo-electric motor water-cooling also comprises main water supply system, return water system and buffer tank, main water supply system links to each other with water inlet 2 respectively with buffer tank, main water supply system has two water channels, be respectively main channel and alternate channel, every passage is comprised of valve, filter, thermometer, pressure regulator, flow control valve etc.When break down in the main channel, the water temperature in the water return pipeline is higher than 65 ℃, and discharge reduction, the thermometer of return water system and flow instrument will detect unusually, and its control system will be sent the unblanking alternate channel and continue to supply water.When the water source of main water supply system breaks down or two water channels when all breaking down, water temperature in the water return pipeline is higher than 65 ℃, discharge reduction, the thermometer of return water system and flow instrument will detect unusually, and its control system will be sent the unblanking buffer tank and continue to supply water.The moisture storage capacity of buffer tank can guarantee enough to input cooling water to equipment before fault is got rid of, thereby the fault of water system will can not have influence on the normal operation of equipment.
Claims (4)
1. a disk-type water cooling permanent magnet eddy current speed regulating device comprises conductor rotor and p-m rotor, it is characterized in that, also comprise air gap governor motion and magnetism servo-electric motor water-cooling, wherein: p-m rotor is located between the conductor rotor, and the air gap governor motion links to each other with p-m rotor, and magnetism servo-electric motor water-cooling is located on the conductor rotor;
Described conductor rotor comprises conductor disc (6), back iron (5) and supporting bracket (10), wherein: back iron (5) is located at the surface of conductor disc (6), magnetism servo-electric motor water-cooling links to each other with back iron (5), described conductor rotor has two, and the back iron of described two conductor rotor (5) links to each other by supporting bracket (10) is coaxial;
Described p-m rotor comprises permanent magnet (8), permanent magnetism cover (7), magnetic guiding loop (9) and spline housing (18), wherein: permanent magnet (8) is embedded in the permanent magnetism cover (7), magnetic guiding loop (9) is attached at the inner surface of permanent magnet (8) and permanent magnetism cover (7), spline housing (18) links to each other with magnetic guiding loop (9), and two coaxial p-m rotors are located between described two conductor rotor;
Described magnetism servo-electric motor water-cooling includes the mouth of a river (2), water fender (3) and gutter (4), wherein: water fender (3) is located at the outer surface of described back iron (5), water fender (3) top connects into the mouth of a river (2), and gutter (4) is located on the described back iron (5);
Described air gap governor motion comprises connecting rod (11), pivot pin (12), slide rail (13), fixed handle (14), bearing (15), lead set (16), helical pitch seat (17), spline driven shaft (19) and regulating handle (20), wherein: connecting rod (11) links to each other with described magnetic guiding loop (9), slide rail (13) links to each other by pivot pin (12) with connecting rod (11), helical pitch seat (17) links to each other with spline driven shaft (19) by bearing (15), lead set (16) links to each other with described spline housing (18) by bearing (15), regulating handle (20) links to each other with helical pitch seat (17), and fixed handle (14) links to each other with lead set (16);
Described gutter (4) is helical form, and the incline direction of gutter (4) section is opposite with the direction of rotation of conductor rotor.
2. disk-type water cooling permanent magnet eddy current speed regulating device according to claim 1 is characterized in that: establish bossed water guide rib (21) on the described gutter (4).
3. disk-type water cooling permanent magnet eddy current speed regulating device according to claim 1, it is characterized in that: described magnetism servo-electric motor water-cooling also comprises main water supply system, return water system and buffer tank, main water supply system links to each other with described water inlet (2) respectively with buffer tank.
4. disk-type water cooling permanent magnet eddy current speed regulating device according to claim 1 is characterized in that: be provided with the trapezoidal thread that four-head cooperatively interacts in described lead set (16) and the helical pitch seat (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010291183 CN101982932B (en) | 2010-09-21 | 2010-09-21 | Disc water-cooling permanent magnet eddy current speed regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010291183 CN101982932B (en) | 2010-09-21 | 2010-09-21 | Disc water-cooling permanent magnet eddy current speed regulation device |
Publications (2)
| Publication Number | Publication Date |
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| CN101982932A CN101982932A (en) | 2011-03-02 |
| CN101982932B true CN101982932B (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010291183 Expired - Fee Related CN101982932B (en) | 2010-09-21 | 2010-09-21 | Disc water-cooling permanent magnet eddy current speed regulation device |
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| CN103066795B (en) * | 2012-12-28 | 2013-10-16 | 深圳市豪斯特力节能环保科技有限公司 | Permanent magnet coupling speed regulator |
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| CN106160292B (en) * | 2015-04-20 | 2018-11-27 | 上海融德机电工程设备有限公司 | Water-cooling structure for magnetic coupling |
| CN105656283B (en) * | 2016-03-04 | 2018-07-06 | 湖南众合节能环保有限公司 | A kind of permanent magnetism flexibility governor |
| CN106849611A (en) * | 2017-04-17 | 2017-06-13 | 安徽工业大学 | Adjustable type permanent magnet clutch |
| CN107612222A (en) * | 2017-10-20 | 2018-01-19 | 贵州大学 | Spiral tank water-cooling type magnetic coupling |
| CN107879510A (en) * | 2017-11-24 | 2018-04-06 | 煤科集团沈阳研究院有限公司 | A kind of anticorrosive water-cooled type magnetic coupling system |
| CN110535321B (en) * | 2019-09-05 | 2020-06-26 | 安徽理工大学 | Halbach array coupler |
| WO2021072615A1 (en) * | 2019-10-15 | 2021-04-22 | 安徽理工大学 | Halbach array type coupler |
| CN110784091A (en) * | 2019-11-04 | 2020-02-11 | 清华大学 | Permanent magnet eddy descent control device |
| CN112271903B (en) * | 2020-08-26 | 2021-09-24 | 中煤科工集团沈阳研究院有限公司 | Slope entry involute type runner permanent magnet speed regulation ware heat dissipation dish |
| CN114825856A (en) * | 2022-04-26 | 2022-07-29 | 江苏大学 | Multi-group multi-disc type multi-air-gap linkage adjusting type magnetic coupler |
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| CN101982932A (en) | 2011-03-02 |
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Effective date of registration: 20190520 Address after: 210009 New World Center A-3118, 88 Zhujiang Road, Xuanwu District, Nanjing, Jiangsu Province Co-patentee after: Jiangsu Mager Environmental Energy Co., Ltd. Patentee after: Nanjing Universal Control System Co., Ltd. Address before: Room 3118, Block A, New World Center, 88 Zhujiang Road, Nanjing, Jiangsu Province Patentee before: Nanjing Universal Control System Co., Ltd. |
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Granted publication date: 20130227 Termination date: 20200921 |
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