CN103414312A - Stacked type permanent magnet speed controller - Google Patents
Stacked type permanent magnet speed controller Download PDFInfo
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- CN103414312A CN103414312A CN2013103543965A CN201310354396A CN103414312A CN 103414312 A CN103414312 A CN 103414312A CN 2013103543965 A CN2013103543965 A CN 2013103543965A CN 201310354396 A CN201310354396 A CN 201310354396A CN 103414312 A CN103414312 A CN 103414312A
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Abstract
The invention discloses a stacked type permanent magnet speed controller. A magnetism transmission piece and a magnetism sensing component which are of a concave-convex multi-ring shell structure are arranged on a magnetic transmission device of a driving rotor shaft and a driven rotor shaft which are arranged on the stacked type permanent magnet speed controller respectively, a convex ring portion of the magnetism transmission piece and a convex ring portion of the magnetism sensing component are inserted into a concave ring portion of the magnetism transmission piece and a concave ring portion of the magnetism sensing component respectively, and air gaps are arranged between the convex ring circumference surface of the magnetism transmission piece and the convex ring circumference surface of the magnetism sensing component to separate the convex ring circumference surface of the magnetism transmission piece and the convex ring circumference surface of the magnetism sensing component. Magnetizers made of soft iron and at least two permanent magnets are arranged on the convex ring shell circumference surface of the magnetism transmission piece, the permanent magnets are isolated through soft iron, and the magnetic line of force of the permanent magnets is perpendicular to a rotor axis. The convex ring shell circumference surface of the magnetism sensing component is composed of soft iron materials and copper bars, wherein the copper bars are arranged on the soft iron and are evenly and fixedly arranged on the circumference surfaces of the soft iron, and the section of each copper bar is rectangular. The stacked type permanent magnet speed controller can transmit large torque, and has the advantages of being high in response speed, small in motion vibration and capable of controlling speed in a stepless mode.
Description
Technical field
The present invention relates to a kind of speed regulator that adopts magnetic conductor and permanent magnet element to carry out the moment of torsion transmission, the particularly variable permanent-magnet speed governor of a kind of transmitting torque.
Background technology
In the industries such as large-scale mining, cement, paper pulp, petrochemical industry, metallurgy, electric power, due to energy-conservation needs and easy to operate, a large amount of reductors, variable-frequency governor, fluid coupling etc. are applied in the middle of production process.Although reached the required parameter request of equipment, not necessarily energy-conserving and environment-protective, and also high to environmental requirement, thereby its shortcoming is: system complex, maintainable poor, the equipment accommodative ability of environment is poor, is subject to the interference of surrounding environment; The permanent magnet one of existing permanent-magnet speed governor is planar shaped or cylindrical shape.
Chinese invention patent application 201210478239.0 discloses a kind of speed regulator that utilizes the magnetic device transmitting torque.This driving magnet rotor and driven rotor by being arranged at respectively on driving shaft and driven shaft, bearing, prop up and be configured to, on driving shaft, be fixedly installed the conical shell of being made by soft iron and be fixed in the driving magnet rotor that the set of permanent magnets on the conical shell inner surface forms, on driven shaft, be fixedly installed the driven rotor of the taper formed by soft magnetic material, and the driven rotor of bullet is positioned at the conical shell that drives magnet rotor, and and drive between magnet rotor and be separated by with air gap, wherein: drive on magnet rotor and arrange by four set of permanent magnets that prismatic polar orientation is identical and permanent magnet blocks its magnetic line of force direction and radial parallel forms, each is organized between set of permanent magnets and separates with the soft material that a width equals a permanent magnet blocks width, two adjacent set of permanent magnets polarity arrange on the contrary, driven rotor (being inductive means) is to make with soft iron.This adjuster can carry out stepless speed regulation to load in the scope of 0-98%, and have can be large in the temperature difference, temperature is high, work under overcast and rainy, high dust, the rugged environment such as explosion-proof, device structure is simple, many-sided advantage such as failure rate is low, but its volume will be very huge when this speed regulator is used for high power load, particularly its axial dimension will be very large, if use occasion has a restriction, may be suitable for.
Summary of the invention
The invention provides the permanent-magnet speed governor that a kind of frequency converter, reductor, fluid coupling that overcomes current use is unfavorable for transmitting the deficiency of high power load.
Folded shape permanent-magnet speed governor of the present invention, comprise the power rotor be fixedly installed on respectively on driving shaft and be arranged at driven rotor on driven shaft, on driven shaft, be fixed with a T-shaped sliding sleeve in its cross section that can move vertically, the horizontal end of T shape sliding sleeve is bowl structure, on the edge of bowl structure, have the location notch tilted vertically, the outer rim that T shape sliding sleeve is directly held matches with the inner ring of driven rotor bearing, the driven rotor secure fit of the outer ring of driven rotor bearing and taper, the groove of sloped position vertically had on the bowl-shape edge of horizontal end of T shape sliding sleeve, the sloped position groove matches with a joystick, rotating joystick can make driven rotor move vertically.In the power rotor axle of folded shape speed regulator of the present invention and the transmission of driven rotor axle magnetic, be respectively arranged with magnetic driving member and the magnetic induction parts of concavo-convex multispiral structure, and the scrobicular ring position of magnetic induction parts or magnetic driving member is inserted respectively at the bulge loop position of magnetic driving member or magnetic induction parts, and make with air gap, to be separated by between the bulge loop circumferential surface of the bulge loop circumferential surface of magnetic driving member and magnetic induction parts.The magnetic driving member that concavo-convex multispiral structure arranged of the present invention and magnetic induction parts are the similar tooth engagement of the shape shape in cross section vertically, and its concrete structure is referring to accompanying drawing 1 and accompanying drawing 2.At the upper magnetic conductor by forming with soft iron of the bulge loop shell circumferential surface of magnetic driving member and at least two permanent magnets that are fixed on magnetic conductor, form, the magnetic line of force direction of permanent magnet is vertical with rotor axis, the polarity of two adjacent permanent magnets arranges on the contrary, and with the soft iron that a width equals a permanent magnet width, separates between each permanent magnet; The bulge loop shell circumferential surface of magnetic induction parts is by soft iron material and to be arranged at the cross section along its circumferential surface evenly is fixedly installed on soft iron be that the copper bar of rectangle forms, each copper bar length direction is along the axial setting of driven shaft, between each copper bar, be separated by with soft iron, and the cross-sectional width of each copper bar equates with the soft iron cross-sectional width of the copper bar of being separated by.
In preferred forms of the present invention, the set of permanent magnets of its each permanent magnet for fixedly being formed by four identical permanent magnet blocks of polar orientation, the soft iron that equals a permanent magnets width with width between each set of permanent magnets separates.This architectural feature of the present invention can make optimization of permanent magnet, saves material, increases magnetic property, and reduces volume.
On the driving shaft of folded shape permanent-magnet speed governor of the present invention and driven shaft, be fixedly installed respectively two end face permanent magnets of being separated by with air gap in addition, each end face permanent magnet wherein by two magnetic line of force directions along at least one pair of opposite permanent magnet blocks of the pole orientation of the axial placement of driving shaft or driven shaft, permanent magnet blocks has the magnet short-cut path of soft iron formation with respect to the arranged outside of air gap, and the permanent magnet blocks of each end face permanent magnet, magnet short-cut path all are in soft iron seals, and two end face permanent magnet polarities are oppositely arranged.
Advantage of the present invention is:
1, can change the interactional area between magnetic induction parts and magnetic driving member by the adjustment of axial position between driven rotor and power rotor, realize the change of transmitting torque amount, like this when No Load Start, magnetic induction parts and magnetic driving member interphase interaction area can be adjusted to minimum, starting current is diminished, improve the impact to electrical network, when normal operation, can make magnetic induction parts and magnetic driving member interphase interaction area are adjusted to maximum, to transmit large moment of torsion;
But 2 implementation procedures are controlled, and the present invention can, according to the Signal Regulation load speed, meet system requirements, fast response time;
3, due to permanent-magnet speed governor, be the speed regulating device of non-mechanical connection, do not have machinery firmly to be connected between load and motor, fully by the air gap transmitting torque, isolated the transmission of vibrating, reduced vibration;
4, permanent magnetic speed-adjusting of the present invention can carry out large-scale stepless speed regulation to load in the scope of 0-98%;
5, the present invention can be large in the temperature difference, temperature is high, work under overcast and rainy, high dust, the rugged environment such as explosion-proof.(in high temperature, low temperature, humidity; Under the various adverse circumstances such as inflammable and explosive, voltage instability and thunder and lightning, work.) environmental suitability is strong;
6, of the present invention simple in structure, failure rate is low, maintenance cost is low, and reliability is high, safeguards few;
7, because permanent magnet coupling of the present invention is mechanical electromagnetic speed-adjusting, the stability of electrical network is to the power quality no requirement (NR);
8, adopt the present invention that the energy-saving effect of forging a good relationship is arranged, by the regulating load rotating speed, can improve the efficiency of load, reduce energy loss, lower motor load, energy-saving effect is obvious;
9, in the useful life of permanent-magnet speed governor, can reach 30 years in theory, therefore long service life of the present invention;
10, the invention belongs to untouchable mechanical connection, do not produce humorous wave interference, without humorous wave interference;
11, the present invention is soft start completely, and the stall function of protection is automatically arranged;
12, with respect to existing all kinds of permanent-magnet speed governors, volume of the present invention is little, and power bracket is large, particularly can transmit larger moment of torsion.
The accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention, and Fig. 2 is that local amplification of Fig. 1 illustrated, Fig. 3 is that in Fig. 2, K-K is to generalized section, and end face permanent magnet of the present invention arranges schematic diagram, and Fig. 4 is end face permanent magnet schematic diagram.
In accompanying drawing: 1 is driven shaft; 2 are the joystick with adjusting axial location; The 3 magnetic induction parts for the concavo-convex multispiral shape that arranges on driven spindle; The 4 magnetic driving members for the concavo-convex multispiral shape that arranges on the power rotor axle; 5 is bearing; 6 is T shape sliding sleeve; 7 for being arranged at the copper bar on magnetic induction parts 3; 8 are soft iron magnetic conductor on magnetic induction parts 3; 9 for being arranged at the set of permanent magnets on magnetic driving member 4, and wherein 9a is the set of permanent magnets consisted of four permanent magnets with magnetic polarity direction (NNNN), and 9b is the set of permanent magnets consisted of four another permanent magnets with magnetic polarity direction (SSSS); 10 is the magnetic conductor on magnetic driving member 4; 11 for to be fixed in a pair of permanent magnet blocks on the driven shaft end face, and above it, N utmost point of a permanent magnet points to the N utmost point on the right, and below it, S utmost point of a permanent magnet points to the S utmost point on the right; 12 for being fixed in another on the driving shaft end face to permanent magnet blocks, and above it, N utmost point of a permanent magnet points to the N utmost point on the left side, and below it, S utmost point of a permanent magnet points to the S utmost point on the left side; 13 is the magnet short-cut path of permanent magnets 13; 14 is that the soft iron of sealing permanent magnet blocks 13 and magnet short-cut path 14 is sealed; 15 is the magnet short-cut path of permanent magnets 11; 16 is that the soft iron of sealing permanent magnet blocks 11 and magnet short-cut path 10 is sealed.
Embodiment
The present invention describes in detail below in conjunction with the embodiment that accompanying drawing provides.
Visible by accompanying drawing 1, folded shape permanent-magnet speed governor of the present invention comprises the magnetic driving member 4 that is arranged at respectively the concavo-convex multispiral structure on power rotor axle (power shaft), the magnetic induction parts 3 that are arranged at the concavo-convex multispiral structure on driven shaft (output shaft) 1, bearing 5 and support.Magnetic driving member 4 and the magnetic induction parts 3 of the concavo-convex multispiral structure arranged respectively on power rotor axle and driven rotor axle as seen from Figure 1, in the embodiment that accompanying drawing provides, the concavo-convex multispiral structure of magnetic driving member 4 and magnetic induction parts 3 is respectively three layers.The scrobicular ring shell position of magnetic induction parts or magnetic driving member is inserted respectively at the bulge loop shell position of magnetic driving member 4 and magnetic induction parts 3, from visible accompanying drawing 1 and accompanying drawing 2, at magnetic induction parts 4 or 3 of magnetic driving members, form the combination that tooth is inserted shape, it is similar to two rectangular teeths shape that is meshed in cross section vertically, referring to accompanying drawing 1 and accompanying drawing 2, between the bulge loop circumferential surface of magnetic driving member 4 and the bulge loop circumferential surface of magnetic induction parts 3, be not in contact with one another, but be separated by with air gap.In addition, on driven shaft 1, be fixed with a sliding sleeve 6 that its cross section that can move vertically is T-shaped, the horizontal end of T shape sliding sleeve 6 is bowl structure, on the edge of bowl structure, have sloped position groove vertically, the outer rim that T shape sliding sleeve is directly held matches with the inner ring of driven rotor bearing, the outer ring of driven rotor bearing and driven rotor secure fit, the groove of sloped position vertically had on the bowl-shape edge of horizontal end of T shape sliding sleeve is inner to match with a joystick 2, rotate that joystick can make driven rotor and the magnetic induction parts that drive on it move vertically, in order to adjust the area size of magnetic driving member and magnetic induction interacting between parts.
Visible by accompanying drawing 3, at the magnetic driving member 4 be fixedly installed on driving shaft, formed with the permanent magnet 9 be fixed on magnetic conductor 10 by the upper magnetic conductor 10 by forming with soft iron that is positioned at the bulge loop circumferential surface, permanent magnet should be two at least in the present invention, and 8 groups of permanent magnets are set altogether in the embodiment that accompanying drawing 1 provides, each permanent magnet in the present embodiment is that the set of permanent magnets that the permanent magnets by four same polarities that are fixed together forms forms, two set of permanent magnets polarity of every 4 are opposite, while as the polarity of a set of permanent magnets, being N (showing 9a as Fig. 3), adjacent set of permanent magnets is S(9b as shown), and the magnetic line of force and the driving shaft of set of permanent magnets are perpendicular.In embodiments of the invention, with software, be separated by between every two permanent magnets, the width of this soft iron equals the width of a permanent magnets, and the benefit that adopts this structure is to increase magnetic energy poles, reduces the volume of integral device.
Magnetic induction modular construction fixing on driven rotor axle 1 of the present invention is: evenly be fixedly installed the copper bar 7 of the cross section of (for example adopting mosaic mode) as rectangle take on the toroidal shell circumferential surface of the soft iron magnetic conductor 8 of soft iron material on the magnetic induction parts 3 of matrix, the length direction of copper bar 7 is along the axial setting of driven shaft, 7 of each copper bars are separated by with soft iron, and the cross-sectional width of each copper bar 7 equates with the soft iron cross-sectional width of being separated by.In the embodiment of accompanying drawing 3 of the present invention, it is provided with 42 copper bars on the magnetic induction device.
On driving shaft and driven rotor axle 1, be fixedly installed respectively two end face permanent magnets 11 and 12 of being separated by with air gap, each end face permanent magnet wherein is two magnetic line of force directions axial placement and at least one pair of permanent magnet blocks that pole orientation is opposite along driving shaft or driven shaft, above it, N utmost point of a permanent magnet blocks points to the N utmost point of the permanent magnet blocks on the right, below it, S utmost point of a permanent magnet blocks points to the S utmost point of the permanent magnet blocks on the right, referring to Fig. 4; Permanent magnet blocks has soft iron 15 or 13 magnet short-cut paths that form with respect to the arranged outside of air gap, and the permanent magnet blocks of each end face permanent magnet, magnet short-cut path all are in soft iron and seal in 16 and 14.
The present invention is when work, when the magnetic driving member 4 on the power rotor axle rotates with the relative motions that are arranged at 3 the generation cutting magnetic lines of magnetic induction parts on the driven rotor axle, so produce eddy current on magnetic induction parts 3, eddy current produces again the magnetic field generation interaction of induced field and magnetic driving member 4 simultaneously, thereby with dynamic magnetic induction parts 3, producing identical direction in company with magnetic driving member 4 rotates, result be by the transmission of torque of driving shaft to driven shaft, simultaneously due to magnetic driving member and magnetic induction part, be concavo-convex multispiral shape structure, make it that magnetic coupling area larger than prior art can be arranged under the condition of shorter axial dimension, therefore can transmit larger moment of torsion.When load changed, adjuster can be adjusted the magnetic coupling area between driving member and magnetic induction parts along pivot center, is used for reaching the purpose of governing speed.But the axial force produced between the end face permanent magnet balance magnetic driving member that the present invention is set and magnetic induction parts.
Claims (3)
1. folded shape permanent-magnet speed governor, comprise the power rotor be fixedly installed on respectively on driving shaft and be arranged at driven rotor on driven shaft, on driven shaft, be fixed with a T-shaped sliding sleeve in its cross section that can move vertically, the horizontal end of T shape sliding sleeve is bowl structure, on the edge of bowl structure, have the location notch tilted vertically, the outer rim that T shape sliding sleeve is directly held matches with the inner ring of driven rotor bearing, the driven rotor secure fit of the outer ring of driven rotor bearing and taper, match with a joystick in the inside of the groove of sloped position vertically had on the bowl-shape edge of horizontal end of T shape sliding sleeve, rotating joystick can make driven rotor move vertically, it is characterized in that being respectively arranged with in power rotor axle and the transmission of driven rotor axle magnetic magnetic driving member and the magnetic induction parts of concavo-convex multispiral shape structure, and the spill position of magnetic induction parts or magnetic driving member is inserted respectively at the bulge loop position of magnetic driving member or magnetic induction parts, and make with air gap, to be separated by between the bulge loop circumferential surface of the bulge loop circumferential surface of magnetic driving member and magnetic induction parts, at the upper magnetic conductor by forming with soft iron of the bulge loop circumferential surface of magnetic driving member and at least two permanent magnets that are fixed on magnetic conductor, form, the magnetic line of force direction of permanent magnet is vertical with rotor axis, the polarity of two adjacent permanent magnets arranges on the contrary, and with the soft iron that a width equals a permanent magnet width, separate between each permanent magnet, the magnetic induction parts are by soft iron material and to be arranged at the cross section along its circumferential surface evenly is fixedly installed on soft iron be that the copper bar of rectangle forms, each copper bar length direction is along from rotating shaft, axially arranging, between each copper bar, be separated by with soft iron, and the cross-sectional width of each copper bar equates with the soft iron cross-sectional width of being separated by.
2. folded shape permanent-magnet speed governor claimed in claim 1, is characterized in that the set of permanent magnets of each permanent magnet for fixedly consisting of four identical permanent magnet blocks of polar orientation, and the soft iron that equals a permanent magnets width with width between each set of permanent magnets separates.
3. taper permanent-magnet speed governor according to claim 1 and 2, it is characterized in that on driving shaft and driven shaft being fixedly installed respectively two end face permanent magnets of being separated by with air gap, each end face permanent magnet wherein by two magnetic line of force directions along at least one pair of opposite permanent magnet blocks of the pole orientation of the axial placement of driving shaft or driven shaft, permanent magnet blocks has the magnet short-cut path of soft iron formation with respect to the arranged outside of air gap, and the permanent magnet blocks of each end face permanent magnet, magnet short-cut path all are in soft iron seals, and two end face permanent magnet polarities are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103543965A CN103414312A (en) | 2013-08-15 | 2013-08-15 | Stacked type permanent magnet speed controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103543965A CN103414312A (en) | 2013-08-15 | 2013-08-15 | Stacked type permanent magnet speed controller |
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| CN103414312A true CN103414312A (en) | 2013-11-27 |
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| CN2013103543965A Pending CN103414312A (en) | 2013-08-15 | 2013-08-15 | Stacked type permanent magnet speed controller |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647432A (en) * | 2013-12-24 | 2014-03-19 | 招远市东朋自动化仪表有限公司 | Plug-in type permanent magnet driving speed regulator |
| CN103904860A (en) * | 2014-03-14 | 2014-07-02 | 东北大学 | Coaxial sleeve type permanent magnetic eddy-current coupler with fixed end face |
| CN104734459A (en) * | 2015-03-26 | 2015-06-24 | 四川易恩嘉新型传动机器制造有限公司 | Magnet vortex energy saving speed controller |
| CN104751721A (en) * | 2015-04-24 | 2015-07-01 | 柳元茂 | Magnetomotive force conversion experimental device |
| CN105281537A (en) * | 2014-07-17 | 2016-01-27 | 蔡源祯 | Power output system |
| CN108880186A (en) * | 2018-08-09 | 2018-11-23 | 广西科技大学 | A kind of coaxial-type permanent magnetic transmission device |
| CN110578759A (en) * | 2019-08-01 | 2019-12-17 | 河北工程大学 | Novel magnetization formula permanent magnetism magnetic coupling ware |
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| CN103023271A (en) * | 2012-11-22 | 2013-04-03 | 甘肃省科学院磁性器件研究所 | Conical permanent magnet speed controller |
| CN202906720U (en) * | 2012-11-22 | 2013-04-24 | 甘肃省科学院磁性器件研究所 | Cone permanent magnetic speed controller |
| CN203071793U (en) * | 2013-01-18 | 2013-07-17 | 南京润维科技中心 | Non-contact coupling |
| CN203617875U (en) * | 2013-08-15 | 2014-05-28 | 甘肃省科学院磁性器件研究所 | Stack-shaped permanent magnet speed regulator |
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| US6380653B1 (en) * | 1999-06-04 | 2002-04-30 | Denso Corporation | Rotational power converter for hybrid electric vehicle |
| CN101325360A (en) * | 2008-07-14 | 2008-12-17 | 大连理工大学 | Magnetic force driver |
| CN102290964A (en) * | 2011-08-02 | 2011-12-21 | 江苏大学 | Wedged disc type adjustable speed magnetic coupling |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647432A (en) * | 2013-12-24 | 2014-03-19 | 招远市东朋自动化仪表有限公司 | Plug-in type permanent magnet driving speed regulator |
| CN103904860A (en) * | 2014-03-14 | 2014-07-02 | 东北大学 | Coaxial sleeve type permanent magnetic eddy-current coupler with fixed end face |
| CN103904860B (en) * | 2014-03-14 | 2016-04-20 | 东北大学 | The coaxial sleeve cartridge type permanent magnet eddy current coupling that a kind of end face is fixing |
| CN105281537A (en) * | 2014-07-17 | 2016-01-27 | 蔡源祯 | Power output system |
| CN104734459A (en) * | 2015-03-26 | 2015-06-24 | 四川易恩嘉新型传动机器制造有限公司 | Magnet vortex energy saving speed controller |
| CN104751721A (en) * | 2015-04-24 | 2015-07-01 | 柳元茂 | Magnetomotive force conversion experimental device |
| CN108880186A (en) * | 2018-08-09 | 2018-11-23 | 广西科技大学 | A kind of coaxial-type permanent magnetic transmission device |
| CN108880186B (en) * | 2018-08-09 | 2023-05-23 | 广西科技大学 | Coaxial permanent magnet transmission device |
| CN110578759A (en) * | 2019-08-01 | 2019-12-17 | 河北工程大学 | Novel magnetization formula permanent magnetism magnetic coupling ware |
| CN110578759B (en) * | 2019-08-01 | 2020-09-01 | 河北工程大学 | Magnetization type permanent magnetic coupler |
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