CN103066795A - Permanent magnet coupling speed regulator - Google Patents
Permanent magnet coupling speed regulator Download PDFInfo
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- CN103066795A CN103066795A CN2012105827967A CN201210582796A CN103066795A CN 103066795 A CN103066795 A CN 103066795A CN 2012105827967 A CN2012105827967 A CN 2012105827967A CN 201210582796 A CN201210582796 A CN 201210582796A CN 103066795 A CN103066795 A CN 103066795A
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- permanent magnet
- transmission shaft
- speed regulator
- power transmission
- conductor
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Abstract
The invention discloses a permanent magnet coupling speed regulator which comprises a transmission shaft, a permanent magnet and a conductor, wherein the conductor is in a drum shape, the longitudinal section of the permanent magnet is a non-closed circular ring which is composed of at least two parts of fan rings, a gap is arranged between the end portions of the fan rings, the permanent magnet is connected with a connecting rod which can slide relative to the transmission shaft in a radial direction, the permanent magnet is located in the conductor, a gap is arranged between the permanent magnet and the conductor, and an adjusting mechanism which can adjust the size of the gap between the permanent magnet and the conductor is arranged between the permanent magnet and the transmission shaft. Due to the fact that the gap between the permanent magnet and the conductor is changed by radially changing the radius of the permanent magnet, coupling force between the permanent magnet and the conductor is adjusted, the purpose of adjusting the speed is achieved, so that the speed regulator is compact in whole structure and sensitive in control.
Description
Technical field
The invention belongs to electricity field, relate to a kind of permanent magnet coupling speed regulator.
Background technology
Permanent magnet coupling speed regulator: be to add governor motion on the basis of permanent magnetic coupling, adjuster is regulated the moment of torsion that transmits between tubular p-m rotor and the tubular conductor rotor, can realize repeatably, adjustable, controllable output torque and rotating speed, realize the purpose of variable speed energy saving.
The tradition permanent-magnet speed governor is to adopt tray type structure or bucket formula structure, adopts axial motion between driving link and the driven member, regulates the axial distance between driving link and the driven member or mediates area, to reach the purpose of regulating driven member rotating speed and power output.For example the disclosed permanent magnet coupling speed regulator of Chinese patent literature [Granted publication number: CN202034886] comprises tubular conductor rotor, tubular magnetism shielding hood, tubular p-m rotor, adjuster.The tubular magnetism shielding hood is between tubular conductor rotor and tubular p-m rotor, and tubular magnetism shielding hood and tubular conductor rotor and tubular p-m rotor are all gapped; Tubular conductor rotor and tubular p-m rotor edge be the rotating shaft independent rotation separately, and axial location is constant; Under the effect of adjuster, the tubular magnetism shielding hood slides vertically, realizes that the effect magnetic field area between tubular p-m rotor and the tubular conductor rotor changes, and its result is so that load torque changes rotation speed change.
This class formation so that structure is longer, usually can produce higher requirement to the space of motor because adopt axial motion in installation process.Traditional permanent-magnet speed governor is not considered the detection that permanent magnet is overheated simultaneously, can't protect equipment when permanent magnet is overheated, can not detect rotating speed and the power output of load end, is not with from body controller.So that permanent-magnet speed governor in use can only cooperate original control system or PLC, and lack the ability of self complete independent operation.
Summary of the invention
The problem that the present invention is directed to the prior art existence proposes a kind of permanent magnet coupling speed regulator, and purpose is to shorten the axial arrangement of speed regulator, so that rationally utilize the space.
The present invention is achieved in that
A kind of permanent magnet coupling speed regulator comprises power transmission shaft, permanent magnet and conductor, and described conductor is tubular, and the radial section of described permanent magnet is nonocclusive annulus, and this annulus is comprised of the fan of two parts at least ring, has the gap between the end of fan ring; Described permanent magnet is by linking to each other with respect to the connecting rod that power transmission shaft radially slides; Described permanent magnet is positioned at conductor, has the gap between described permanent magnet and the conductor, is provided with the governor motion that can regulate permanent magnet and conductor gap size between described permanent magnet and the power transmission shaft.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: described governor motion comprises that controller, clinohedral and an end are connected in the slide block on the permanent magnet, the radial section of described clinohedral is annulus, described clinohedral is set on the power transmission shaft, the other end of described slide block is resisted against on the clinohedral, be fixed with regulating block on clinohedral one end face, described controller links to each other with regulating block and controls clinohedral by screw nut device and moves axially along power transmission shaft.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: described permanent magnet radial section annulus is comprised of four parts fan ring, described connecting rod and slide block equal in number in fan number of rings amount.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: have chute on the described clinohedral, described chute comprises inside groove and water jacket, described inside groove sectional dimension is greater than the water jacket sectional dimension, the shape of the other end of described slide block and chute are complementary and are embedded in the chute, and the end face of the other end of described slide block is provided with ball.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: described governor motion comprises controller, expansion link and connecting ring, one end of described expansion link is connected on the permanent magnet, the other end of described expansion link is connected on the connecting ring, described connecting ring is set on the power transmission shaft, and described controller is flexible by the cam mechanism adjustable telescopic rod.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: described connecting rod one end is connected on the permanent magnet, the other end has is convenient to the groove that power transmission shaft slides, the position that described power transmission shaft is connected with connecting rod have can limiting rod with respect to the circumferential rotation of power transmission shaft and limiting structure in axial sliding.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: an end of described connecting rod is connected on the permanent magnet, has the connecting hole that links to each other with the connecting rod other end on the power transmission shaft, and described connecting rod can radially slide along power transmission shaft in connecting hole.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: described speed regulator is provided with the temperature feedback device that detects the permanent magnet temperature, and described temperature feedback device is connected with controller.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: described speed regulator is provided with the speed feedback device of the monitoring permanent magnet speed of service, and described speed feedback device is connected with controller.
Above-mentioned a kind of permanent magnet coupling speed regulator, wherein: described speed regulator is provided with the Feedback of Power device of monitoring permanent magnet operate power, and described Feedback of Power device is connected with controller.
A kind of permanent magnet coupling speed regulator provided by the present invention, owing to the gap that changes by the radius that radially changes permanent magnet between permanent magnet and the conductor, regulate the bonding force between permanent magnet and the conductor, reach the purpose of speed governing, so that speed regulator compact overall structure, control are sensitive.
Description of drawings
Fig. 1 is longitudinal section view of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is control flow schematic diagram of the present invention.
Embodiment
Following constipation closes the embodiment accompanying drawing, the specific embodiment of the present invention is described in further detail, so that technical solution of the present invention is easier to understand, grasp.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, 2, a kind of permanent magnet coupling speed regulator comprises power transmission shaft 3, permanent magnet 2, conductor 1, connecting rod 4 and governor motion.Conductor 1 links to each other with motor, belongs to input; Permanent magnet 2 links to each other with power transmission shaft 3, and power transmission shaft 3 links to each other with load, and permanent magnet 2 and power transmission shaft 3 belong to output.
Specifically, conductor 1 is tubular, and permanent magnet 2 is positioned at conductor 1, has the gap between permanent magnet 2 and the conductor 1.The radial section of permanent magnet 2 is nonocclusive annulus, and this annulus is comprised of the fan of two parts at least ring, and present embodiment has the gap take four fan rings as example between the end of fan ring, and the fan ring just can not hinder when moving radially mutually like this.Permanent magnet 2 links to each other with power transmission shaft 3 by connecting rod 4, and connecting rod 4 can rotate permanent magnet 2 and be delivered on the power transmission shaft 3.Governor motion can be regulated the radius of permanent magnet 2, to regulate the gap length between permanent magnet 2 and the conductor 1, realizes the change of permanent magnet 2 and conductor 1 coupling power size, reaches the speed governing purpose.
One end of connecting rod 4 is connected on the permanent magnet 2, the other end links to each other with power transmission shaft 3, connecting rod 4 is with after power transmission shaft 3 links to each other, connecting rod 4 can radially slide with respect to power transmission shaft 3 along power transmission shaft 3, but connecting rod 4 can not circumferentially rotate with respect to power transmission shaft 3 along power transmission shaft 3, can not be along power transmission shaft 3 axially to moving for power transmission shaft 3.Now specify with following two kinds of execution modes:
One, the other end of connecting rod 4 has groove, and power transmission shaft 3 is embedded in the groove and can slides in groove, is convenient to the change of permanent magnet 2 radiuses, has also on the power transmission shaft 3 that limiting rod 4 and power transmission shaft 3 relatively rotate and the limiting structure of relative sliding vertically.Specifically, limiting structure comprises bulge loop, and bulge loop and power transmission shaft 3 limiting rod 4 that is connected as a single entity endwisely slips with respect to power transmission shaft 3; The position that power transmission shaft 3 is connected with connecting rod 4 is square structure, and connecting rod 4 just can not rotate relative to power transmission shaft 3 like this, thereby makes the rotation of permanent magnet 2 drive power transmission shaft 3 rotations by connecting rod 4.
Two, has the connecting hole that links to each other with connecting rod 4 other ends on the power transmission shaft 3, the other end of connecting rod 4 partly inserts connecting hole and can radially slide along power transmission shaft 3 in connecting hole, be convenient to the change of permanent magnet 2 radiuses, because the other end of connecting rod 4 is limited in the connecting hole, so connecting rod 4 can not axially and axially sliding with respect to power transmission shaft 3 generations and rotating along power transmission shaft 3.
Governor motion comprises that controller, clinohedral 52 and an end are connected in the slide block 51 on the permanent magnet 2, the radial section of clinohedral 52 is annulus, clinohedral 52 is set on the power transmission shaft 3, has chute on the clinohedral 52, chute comprises inside groove and water jacket, the inside groove sectional dimension is greater than the water jacket sectional dimension, and the shape of the other end of slide block 51 and chute are complementary and are embedded in the chute, and the end face of the other end of slide block 51 is provided with ball to reduce the friction between slide block 51 and the clinohedral 52.Be fixed with regulating block 53 on clinohedral 52 1 end faces, controller links to each other with regulating block 53 and controls clinohedral 52 by screw nut device and moves axially along power transmission shaft 3, like this slide block 51 relatively clinohedral 52 slide and realize regulating the purpose of permanent magnets 2 radius size.As preferred version, connecting rod 4 and slide block 51 equal in number in fan number of rings amount.Controller is based on Single Chip Microcomputer (SCM) system and is solidified with self-developed control software, this control module input and output point for this permanent magnet coupling speed regulator, and compact conformation, cheap.
In addition, consult Fig. 3, this speed regulator is provided with the temperature feedback device that detects permanent magnet 2 temperature; the temperature feedback device adopts infrared technique to detect permanent magnet 2 temperature; the temperature feedback device is connected with controller, and permanent magnet 2 temperature informations are fed back in the controller, realizes the overtemperature protection to permanent magnet 2.Speed regulator is provided with the speed feedback device of monitoring permanent magnet 2 speeds of service, speed feedback device adopts rotary encoder to detect the speed of output, speed regulator is provided with the Feedback of Power device of monitoring permanent magnet 2 operate powers, the Feedback of Power device adopts instrument transformer monitoring energy consumption level, speed feedback device is connected with the Feedback of Power device and is connected with controller, makes things convenient for user's Real-Time Monitoring service data.
Consult Fig. 1, when controller regulating and controlling piece 53 to left movement, promote clinohedral 52, the adjustable inclined surface apparatus of clinohedral 52 promotes simultaneously slide block 51 and expands outwardly, at this moment, the gap between permanent magnet 2 and the conductor 1 reduces, and strength of vortex increases in the conductor 1, magnetic coupling force increases, and permanent magnet 2 drives power transmission shaft 3 and load is rotated together.When regulating block 53 moves right, spur clinohedral 52 and support slipper 51, at this moment, and the gap enlargement between permanent magnet 2 and the conductor 1, magnetic coupling force reduces, and the eddy current in the conductor 1 weakens, and permanent magnet 2 speed descend, and cause simultaneously loading speed to descend.
In addition, governor motion can be following structure also, comprises controller, expansion link and connecting ring, one end of expansion link is connected on the permanent magnet 2, the other end of expansion link is connected on the connecting ring, and connecting ring is set on the power transmission shaft 3, and controller is flexible by the cam mechanism adjustable telescopic rod.The flexible realization permanent magnet 2 of expansion link and dwindling and expanding of the gap between the conductor 1 realize the speed governing purpose.
Should be understood that; the above only is preferred embodiment of the present invention; be not sufficient to limit technical scheme of the present invention; for those of ordinary skills; within the spirit and principles in the present invention; can be increased and decreased according to the above description, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of claims of the present invention.
Claims (10)
1. a permanent magnet coupling speed regulator comprises power transmission shaft, permanent magnet and conductor, it is characterized in that, described conductor is tubular, and the radial section of described permanent magnet is nonocclusive annulus, and this annulus is comprised of the fan of two parts at least ring, has the gap between the end of fan ring; Described permanent magnet is by linking to each other with respect to the connecting rod that power transmission shaft radially slides; Described permanent magnet is positioned at conductor, has the gap between described permanent magnet and the conductor, is provided with the governor motion that can regulate permanent magnet and conductor gap size between described permanent magnet and the power transmission shaft.
2. permanent magnet coupling speed regulator according to claim 1, it is characterized in that, described governor motion comprises that controller, clinohedral and an end are connected in the slide block on the permanent magnet, the radial section of described clinohedral is annulus, described clinohedral is set on the power transmission shaft, the other end of described slide block is resisted against on the clinohedral, is fixed with regulating block on clinohedral one end face, and described controller links to each other with regulating block and controls clinohedral by screw nut device and moves axially along power transmission shaft.
3. permanent magnet coupling speed regulator according to claim 2 is characterized in that, described permanent magnet radial section annulus is comprised of four parts fan ring, described connecting rod and slide block equal in number in fan number of rings amount.
4. permanent magnet coupling speed regulator according to claim 2, it is characterized in that, has chute on the described clinohedral, described chute comprises inside groove and water jacket, described inside groove sectional dimension is greater than the water jacket sectional dimension, the shape of the other end of described slide block and chute are complementary and are embedded in the chute, and the end face of the other end of described slide block is provided with ball.
5. permanent magnet coupling speed regulator according to claim 1, it is characterized in that, described governor motion comprises controller, expansion link and connecting ring, one end of described expansion link is connected on the permanent magnet, the other end of described expansion link is connected on the connecting ring, described connecting ring is set on the power transmission shaft, and described controller is flexible by the cam mechanism adjustable telescopic rod.
6. each described permanent magnet coupling speed regulator according to claim 1-5, it is characterized in that, described connecting rod one end is connected on the permanent magnet, the other end has is convenient to the groove that power transmission shaft slides, the position that described power transmission shaft is connected with connecting rod have can limiting rod with respect to the circumferential rotation of power transmission shaft and limiting structure in axial sliding.
7. each described permanent magnet coupling speed regulator according to claim 1-5, it is characterized in that, one end of described connecting rod is connected on the permanent magnet, has the connecting hole that links to each other with the connecting rod other end on the power transmission shaft, and described connecting rod can radially slide along power transmission shaft in connecting hole.
8. each described permanent magnet coupling speed regulator is characterized in that according to claim 1-5, and described speed regulator is provided with the temperature feedback device that detects the permanent magnet temperature, and described temperature feedback device is connected with controller.
9. each described permanent magnet coupling speed regulator is characterized in that according to claim 1-5, and described speed regulator is provided with the speed feedback device of the monitoring permanent magnet speed of service, and described speed feedback device is connected with controller.
10. each described permanent magnet coupling speed regulator is characterized in that according to claim 1-5, and described speed regulator is provided with the Feedback of Power device of monitoring permanent magnet operate power, and described Feedback of Power device is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210582796 CN103066795B (en) | 2012-12-28 | 2012-12-28 | Permanent magnet coupling speed regulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210582796 CN103066795B (en) | 2012-12-28 | 2012-12-28 | Permanent magnet coupling speed regulator |
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| CN103066795A true CN103066795A (en) | 2013-04-24 |
| CN103066795B CN103066795B (en) | 2013-10-16 |
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| CN 201210582796 Active CN103066795B (en) | 2012-12-28 | 2012-12-28 | Permanent magnet coupling speed regulator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915977A (en) * | 2014-04-11 | 2014-07-09 | 青岛斯普瑞能源科技有限公司 | Disc-shaped rotating disc permanent magnet adjustment device |
| CN103915980A (en) * | 2014-04-11 | 2014-07-09 | 青岛斯普瑞能源科技有限公司 | Disc-shaped rotary-plate permanent magnetic coupler |
| CN104035364A (en) * | 2014-05-30 | 2014-09-10 | 中国船舶重工集团公司第七一二研究所 | Control device of permanent-magnet coupling speed governor |
| CN104426325A (en) * | 2013-09-06 | 2015-03-18 | 中达电通股份有限公司 | Tubular permanent magnetic speed regulating shaft coupler |
| CN105449980A (en) * | 2015-11-19 | 2016-03-30 | 刁俊起 | Permanent magnet speed regulator with fixed magnetic gap |
| CN106300891A (en) * | 2015-06-07 | 2017-01-04 | 李启飞 | Built-in motor lead screw electric speed regulation disc type magnetic coupler |
| CN113847362A (en) * | 2021-09-18 | 2021-12-28 | 成都瑞迪智驱科技股份有限公司 | Ring type electromagnetic brake capable of adjusting torque and air gap |
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| EP0856208B1 (en) * | 1995-10-20 | 2002-01-02 | Magna Force, Inc. | Adjustable permanent magnet coupler |
| CN101982932A (en) * | 2010-09-21 | 2011-03-02 | 南京大寰控制系统有限公司 | Disc water-cooling permanent magnet eddy current speed regulation device |
| CN102664512A (en) * | 2012-05-09 | 2012-09-12 | 林贵生 | Passive permanent magnet coupling transmission, braking or load device |
| CN202918173U (en) * | 2012-12-28 | 2013-05-01 | 深圳市豪斯特力节能环保科技有限公司 | Permanent magnetic coupling speed regulator |
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2012
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| EP0856208B1 (en) * | 1995-10-20 | 2002-01-02 | Magna Force, Inc. | Adjustable permanent magnet coupler |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426325A (en) * | 2013-09-06 | 2015-03-18 | 中达电通股份有限公司 | Tubular permanent magnetic speed regulating shaft coupler |
| CN103915977A (en) * | 2014-04-11 | 2014-07-09 | 青岛斯普瑞能源科技有限公司 | Disc-shaped rotating disc permanent magnet adjustment device |
| CN103915980A (en) * | 2014-04-11 | 2014-07-09 | 青岛斯普瑞能源科技有限公司 | Disc-shaped rotary-plate permanent magnetic coupler |
| CN103915977B (en) * | 2014-04-11 | 2017-05-10 | 青岛斯普瑞能源科技有限公司 | Disc-shaped rotating disc permanent magnet speed governor |
| CN104035364A (en) * | 2014-05-30 | 2014-09-10 | 中国船舶重工集团公司第七一二研究所 | Control device of permanent-magnet coupling speed governor |
| CN104035364B (en) * | 2014-05-30 | 2018-01-09 | 中国船舶重工集团公司第七一二研究所 | A kind of permanent magnet coupling speed regulator control device |
| CN106300891A (en) * | 2015-06-07 | 2017-01-04 | 李启飞 | Built-in motor lead screw electric speed regulation disc type magnetic coupler |
| CN105449980A (en) * | 2015-11-19 | 2016-03-30 | 刁俊起 | Permanent magnet speed regulator with fixed magnetic gap |
| CN105449980B (en) * | 2015-11-19 | 2018-05-08 | 刁俊起 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN113847362A (en) * | 2021-09-18 | 2021-12-28 | 成都瑞迪智驱科技股份有限公司 | Ring type electromagnetic brake capable of adjusting torque and air gap |
| CN113847362B (en) * | 2021-09-18 | 2022-08-05 | 成都瑞迪智驱科技股份有限公司 | Ring type electromagnetic brake capable of adjusting torque and air gap |
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| CN103066795B (en) | 2013-10-16 |
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Address after: 518000 Fubao community, Fubao street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen haosili Technology Co.,Ltd. Address before: 518000 room 503, block B, Jialin Haoting, No. 2001, Shennan Middle Road, Futian District, Shenzhen, Guangdong Province Patentee before: Shenzhen Hostiy Energy-Saving and Environmental Protection Technology Co.,Ltd. |
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Effective date of registration: 20220728 Address after: 518000 3AB, floor 3, building 2, shuntong'an science and technology plant, No. 2, Zijing Road, Futian Free Trade Zone, Fubao community, Fubao street, Futian District, Shenzhen, Guangdong Province Patentee after: Shenzhen Zhongke Xingyuan Technology Co.,Ltd. Address before: 518000 Fubao community, Fubao street, Futian District, Shenzhen City, Guangdong Province Patentee before: Shenzhen haosili Technology Co.,Ltd. |
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