CN101860314A - Barrel-type electromagnetic speed regulation system - Google Patents
Barrel-type electromagnetic speed regulation system Download PDFInfo
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- CN101860314A CN101860314A CN 201010175881 CN201010175881A CN101860314A CN 101860314 A CN101860314 A CN 101860314A CN 201010175881 CN201010175881 CN 201010175881 CN 201010175881 A CN201010175881 A CN 201010175881A CN 101860314 A CN101860314 A CN 101860314A
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- barrel
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Abstract
The invention relates to a barrel-type electromagnetic speed regulation system, which comprises an inner barrel rotor, an outer barrel rotor, conductive slip rings, electric brushes and a DC power supply, wherein the inner barrel rotor is arranged at an input shaft end; the outer barrel rotor is arranged at an output shaft end; the inner barrel rotor and the outer barrel rotor are coaxially nested; the inner barrel rotor is provided with soft magnets of which each is provided with a coil; positions, corresponding to the soft magnets, on the outer barrel rotor are provided with permanent magnets; the input shaft is provided with the conductive slip rings which are matched with the electric brushes; the electric brushes are connected with the anode and the cathode of the DC power supply; the conductive slip rings are connected with the coils by lead wires; and the coils wound by the circumferentially adjacent soft magnets arranged on the inner barrel rotor rotate in opposite directions, while the coils wound by the axially adjacent soft magnets are in the same direction. The barrel-type electromagnetic speed regulation system has the advantages that: the soft magnets on the inner barrel rotor reduce demagnetization and realize control over a rotation speed of the output shaft; and the barrel structure can generate strong electromagnetism, and the areas of the permanent magnets are great, so working efficiency is improved.
Description
Technical field
The present invention relates to industrial control field, relate in particular to a kind of barrel-type electromagnetic speed regulation system.
Background technology
Frequency control at present is widely used in the industry spot, control the motor output speed by control motor incoming frequency, the price comparison costliness, structure and complicated operation, the power electronic device of frequency converter is operated on off state, thereby produces a large amount of harmonic pollution electrical networks, influences communication, and higher to environment requirement, be not suitable in adverse circumstances, working.Along with development of science and technology, permanent magnetism coupling governing system is arisen at the historic moment.It changes the output torque by the air gap of regulating between permanent magnet and the copper dish, thereby realizes the purpose of speed governing.The defective of this class magnetic coupling system is: magnet volume is little, and it is little to produce moment, and speed adjustable range is limited; Complex structure has increased design difficulty; Easily produce the demagnetization phenomenon.
Summary of the invention
The purpose of this invention is to provide a kind of barrel-type electromagnetic speed regulation system, realize the stable speed governing of system, avoid the phenomenon of demagnetizing, simplified structure.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of barrel-type electromagnetic speed regulation system, comprise inner core rotor, urceolus rotor, conducting slip ring, brush, DC power supply, the inner core rotor is arranged at input shaft end, the urceolus rotor is arranged on the output axle head, the inner core rotor is nested with the urceolus rotor coaxial, described inner core rotor is provided with soft magnetic bodies, soft magnetic bodies is provided with coil, be provided with permanent magnet with the urceolus rotor of soft magnetic bodies correspondence position, also be provided with conducting slip ring on the described power shaft, conducting slip ring matches with brush, and brush is connected with the both positive and negative polarity of DC power supply respectively, and conducting slip ring is connected by lead with coil.
The soft magnetic bodies that is provided with on the described inner core rotor, its circumferential adjacent soft magnetic bodies institute coiling rotation direction is opposite, makes it produce different polarity, and axial adjacent soft magnetic bodies institute coiling direction is identical, makes it produce identical polarity.
Between described soft magnetic bodies and inner core rotor, also be provided with the iron lining between permanent magnet and urceolus rotor.
Described soft magnetic bodies is a watt shape, and permanent magnet is fan-shaped.
Also be provided with current regulator between described brush and the power supply, current regulator can be regulated the size of electric current, to change the size of the magnetic that soft magnetic bodies produces.
Compared with prior art, the invention has the beneficial effects as follows: 1) its power shaft adopts the mode of electromagnetic coupled to be connected with output shaft, replaces traditional rigidity and connects, and reduces the required precision of between centers axiality; 2) the epitrochanterian soft magnetic bodies of inner core is the magnetic material of low-coercivity and high magnetic permeability, reduces the demagnetization phenomenon, its watt shape structure, can obtain uniform annulus gap, match, help improving driving torque with cartridge type, add the iron lining, help forming closed magnetic circuit, reduce the loop magnetic resistance; 3) adopt the electromagnetic speed-adjusting principle,, realize the control of the size and Orientation of electromagnetism magnetic by current regulator Control current size and Orientation; 4) on the moment basis of every group of soft magnetic bodies and the independent generation of permanent magnet, adjacent soft magnetic bodies and set of permanent magnets also produce moment makes a concerted effort, so the moment that its produces has improved operating efficiency greater than single moment of organizing soft magnetic bodies and permanent magnet generation; 5) open cylindrical structure effectively prevents eddy-current heating, needn't design heat abstractor, simplify the structure, and cylindrical structure generation electromagnetism is strong, and the permanent magnet area is also very big, and therefore the moment that produces is also big, has improved mechanical efficiency.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1.
Among the figure: 1-inner core rotor 2-urceolus rotor 3-conducting slip ring 4-brush 5-DC power supply 6-power shaft 7-output shaft 8-soft magnetic bodies 9-coil 10-iron lining 11-permanent magnet 12-lead 13-lead 14-current regulator 15-iron lining 16-air gap
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further:
See Fig. 1, Fig. 2, a kind of barrel-type electromagnetic speed regulation system, comprise inner core rotor 1, urceolus rotor 2, conducting slip ring 3, brush 4, DC power supply 5, inner core rotor 1 is arranged at power shaft 6 ends, power shaft 6 is a hollow-core construction, urceolus rotor 2 is arranged on output shaft 7 ends, inner core rotor 1 is coaxial nested with urceolus rotor 2, described inner core rotor 1 is provided with soft magnetic bodies 8, soft magnetic bodies 8 is provided with coil 9,1 of soft magnetic bodies 8 and inner core rotor also are provided with iron lining 10, be provided with permanent magnet 11 with the urceolus rotor 2 of soft magnetic bodies 8 correspondence positions, have certain air gap 16,2 of permanent magnet 11 and urceolus rotors to be provided with iron lining 15 between soft magnetic bodies 8 and the permanent magnet 11, adding iron is lined with and is beneficial to the formation closed magnetic circuit, reduces the loop magnetic resistance; Also be provided with conducting slip ring 3 on the described power shaft 6, conducting slip ring 3 matches with brush 4, a pair of brush 4 is connected with the both positive and negative polarity of DC power supply 5 respectively, conducting slip ring 3 is connected by lead 12, lead 13 with coil 9, the quantity of lead 12 and lead 13 equates with soft magnetic bodies 8 axial quantity, select three groups of leads among the embodiment, give three groups of soft magnetic bodies 8 galvanizations respectively.Described soft magnetic bodies 8 is a watt shape silicon steel sheet (ferro-silicium), permanent magnet 11 is fan-shaped ndfeb magnet, soft magnetic bodies 8 is a watt shape structure, match with cartridge type, can obtain uniform annulus gap, help improving driving torque, also be provided with current regulator 14 between described brush 4 and the DC power supply 5, current regulator 14 can regulating winding 9 in the size of electric current, thereby change the size of the magnetic moment that soft magnetic bodies 8 produces, realize the control of the output speed of output shaft 7.
See Fig. 3, the soft magnetic bodies 8 that is provided with on the described inner core rotor 1,8 coiling 9 rotation directions of its circumferential adjacent soft magnetic bodies are opposite, make it produce different polarity, and 8 coiling 9 directions of axial adjacent soft magnetic bodies are identical, make it produce identical polarity.On the moment basis of axial every group of soft magnetic bodies and permanent magnet electromagnetic coupling generation, adjacent soft magnetic bodies and set of permanent magnets also produce moment makes a concerted effort, so the moment that its produces has improved operating efficiency greater than the moment of single group soft magnetic bodies and permanent magnet generation.
When power shaft 6 drives 1 rotation of inner core rotor, produce a drift angle between soft magnetic bodies 8 on the inner core rotor 1 and the permanent magnet 11 on the urceolus rotor 2, the magnetic field of formation produces moment of torsion, drives urceolus rotor 2 and rotates, rotate thereby drive output shaft 7, realize the output of torque.For improving the output of torque, it is right that axial direction can be provided with 3～6 row's magnets, is provided with 3 rows among the embodiment, can produce moment mutually between them, so significantly improved efficient.
The present invention adopts open cylindrical structure, can effectively prevent eddy-current heating, needn't design heat abstractor, simplify the structure, and the electromagnetic force that cylindrical structure produces is stronger, and the permanent magnet area is also very big, and therefore the moment that produces is also big, has improved the efficient of acting.
Claims (6)
1. barrel-type electromagnetic speed regulation system, it is characterized in that, comprise the inner core rotor, the urceolus rotor, conducting slip ring, brush, DC power supply, the inner core rotor is arranged at input shaft end, the urceolus rotor is arranged on the output axle head, the inner core rotor is nested with the urceolus rotor coaxial, described inner core rotor is provided with soft magnetic bodies, soft magnetic bodies is provided with coil, be provided with permanent magnet with the urceolus rotor of soft magnetic bodies correspondence position, also be provided with conducting slip ring on the described power shaft, conducting slip ring matches with brush, brush is connected with the both positive and negative polarity of DC power supply respectively, and conducting slip ring is connected by lead with coil.
2. a kind of barrel-type electromagnetic speed regulation system according to claim 1, it is characterized in that, the soft magnetic bodies that is provided with on the described inner core rotor, its circumferential adjacent soft magnetic bodies institute coiling rotation direction is opposite, make it produce different polarity, axial adjacent soft magnetic bodies institute coiling direction is identical, makes it produce identical polarity.
3. a kind of barrel-type electromagnetic speed regulation system according to claim 1 and 2 is characterized in that, between described soft magnetic bodies and inner core rotor, also be provided with the iron lining between permanent magnet and urceolus rotor.
4. a kind of barrel-type electromagnetic speed regulation system according to claim 1 and 2 is characterized in that, described soft magnetic bodies is a watt shape, and permanent magnet is fan-shaped.
5. a kind of barrel-type electromagnetic speed regulation system according to claim 4 is characterized in that, described soft magnetic bodies is a watt shape, and permanent magnet is fan-shaped.
6. a kind of barrel-type electromagnetic speed regulation system according to claim 1 is characterized in that, also is provided with current regulator between described brush and the power supply, and current regulator can be regulated the size of electric current, to change the size of the magnetic that soft magnetic bodies produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010175881 CN101860314A (en) | 2010-05-19 | 2010-05-19 | Barrel-type electromagnetic speed regulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010175881 CN101860314A (en) | 2010-05-19 | 2010-05-19 | Barrel-type electromagnetic speed regulation system |
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| CN101860314A true CN101860314A (en) | 2010-10-13 |
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| CN 201010175881 Pending CN101860314A (en) | 2010-05-19 | 2010-05-19 | Barrel-type electromagnetic speed regulation system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255474A (en) * | 2011-07-23 | 2011-11-23 | 鞍山钦元节能设备制造有限公司 | Combined electromagnetic speed regulation system |
| CN102263476A (en) * | 2011-07-23 | 2011-11-30 | 鞍山钦元节能设备制造有限公司 | Multi-group electromagnetic speed-regulating system |
| CN103855887A (en) * | 2012-12-03 | 2014-06-11 | 杨玉岗 | Non-salient pole electromagnetic speed regulator |
| CN103929027A (en) * | 2013-01-11 | 2014-07-16 | 杨玉岗 | Integrated switch reluctance type electromagnetic speed-adjustable motor |
| CN108057753A (en) * | 2017-12-18 | 2018-05-22 | 莱纳斯工业设备（苏州）有限公司 | A kind of universal round brush deburring machine |
| CN108868738A (en) * | 2018-07-20 | 2018-11-23 | 杭州电子科技大学 | A kind of subglacial base rock boring TT&C system |
| CN112462048A (en) * | 2021-02-02 | 2021-03-09 | 南昌大学 | Microfluidic detection device |
Citations (4)
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|---|---|---|---|---|
| US6087734A (en) * | 1995-11-14 | 2000-07-11 | Toyota Jidosha Kabushiki Kaisha | Power output apparatus, method of controlling power output apparatus, and driving system with power output apparatus incorporated therein |
| CN101106319A (en) * | 2006-07-11 | 2008-01-16 | 巩长勇 | Magnetic canister drive speed-adjusting clutch |
| CN101252306A (en) * | 2008-01-11 | 2008-08-27 | 东南大学 | Mixing exciter panel type eddy flow drive speed regulating device |
| CN101465592A (en) * | 2009-01-08 | 2009-06-24 | 清华大学 | Variable-frequency control electromagnetic torsion coupler and use thereof |
-
2010
- 2010-05-19 CN CN 201010175881 patent/CN101860314A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6087734A (en) * | 1995-11-14 | 2000-07-11 | Toyota Jidosha Kabushiki Kaisha | Power output apparatus, method of controlling power output apparatus, and driving system with power output apparatus incorporated therein |
| CN101106319A (en) * | 2006-07-11 | 2008-01-16 | 巩长勇 | Magnetic canister drive speed-adjusting clutch |
| CN101252306A (en) * | 2008-01-11 | 2008-08-27 | 东南大学 | Mixing exciter panel type eddy flow drive speed regulating device |
| CN101465592A (en) * | 2009-01-08 | 2009-06-24 | 清华大学 | Variable-frequency control electromagnetic torsion coupler and use thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255474A (en) * | 2011-07-23 | 2011-11-23 | 鞍山钦元节能设备制造有限公司 | Combined electromagnetic speed regulation system |
| CN102263476A (en) * | 2011-07-23 | 2011-11-30 | 鞍山钦元节能设备制造有限公司 | Multi-group electromagnetic speed-regulating system |
| CN103855887A (en) * | 2012-12-03 | 2014-06-11 | 杨玉岗 | Non-salient pole electromagnetic speed regulator |
| CN103929027A (en) * | 2013-01-11 | 2014-07-16 | 杨玉岗 | Integrated switch reluctance type electromagnetic speed-adjustable motor |
| CN108057753A (en) * | 2017-12-18 | 2018-05-22 | 莱纳斯工业设备（苏州）有限公司 | A kind of universal round brush deburring machine |
| CN108868738A (en) * | 2018-07-20 | 2018-11-23 | 杭州电子科技大学 | A kind of subglacial base rock boring TT&C system |
| CN112462048A (en) * | 2021-02-02 | 2021-03-09 | 南昌大学 | Microfluidic detection device |
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Application publication date: 20101013 |