CN102957290B - Two-phase multipolar switch reluctance motor - Google Patents
Two-phase multipolar switch reluctance motor Download PDFInfo
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- CN102957290B CN102957290B CN201110242520.XA CN201110242520A CN102957290B CN 102957290 B CN102957290 B CN 102957290B CN 201110242520 A CN201110242520 A CN 201110242520A CN 102957290 B CN102957290 B CN 102957290B
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Abstract
The invention discloses a two-phase multipolar switch reluctance motor which comprises a shell, a left end cap, a right end cap, a stator, a rotor, rotor spoke iron, a rotary shaft, a motor controller, two position sensors and two oscillators. Stator magnetic poles and rotor magnetic poles are in a double convex pole structure identical in number of poles, magnet exciting coils of two adjacent magnetic poles are sequentially connected in a one-positive one-negative manner, two adjacent stator magnetic poles form equant double magnet dividing loops, the stator electric poles and the rotor electric poles are distributed into two sections along the direction of the rotary shaft at same intervals, magnet exciting coils of two sections of the stator magnetic poles are connected into two phases respectively, two sections of the rotor magnetic poles are mutually staggered with one magnetic pole angle, and the two position sensors are connected with the motor controller which is connected with the two oscillators through an electronic switch. The two-phase multipolar switch reluctance motor has the advantages of self-starting capability, narrow dead torque area, namely, zero torque area, lowered vacancy rate of a control circuit and a motor body structure, improved performance, simple structure and good cooling performance of a self-ventilation and cooling system.
Description
Technical field
The present invention relates to reluctance motor, particularly relate to a kind of two-phase multi-pole switched reluctance motor.
Background technology
Traditional reluctance motor, Qi Gexiang arranges by certain angle in a circumferential direction.Owing to only opening a phase at every turn, all the other are respectively all in idle state mutually.
Traditional two-phase reluctance machine, does not all have the ability adjusting and turn to.In self-starting, although also have multiple design, technical sophistication, make trouble, and all there is torque dead-band, be i.e. zero torque district.
On February 16th, 2011, the patent of invention (application number is 201010569625.1) of open (publication number is 101976924A) gave a kind of single-phase multi-pole switched reluctance, comprise stators and rotators, stator comprises magnetic pole of the stator and magnet exciting coil, rotor comprises rotor core and rotor magnetic pole, described rotor magnetic pole is set on rotor core, described magnetic pole of the stator is positioned at the outside of rotor magnetic pole, magnetic pole of the stator and magnet exciting coil are installed in motor housing, the signal input part of electric machine controller connects position transducer, the signal output part of electric machine controller is connected with magnet exciting coil by oscillator.The technical scheme of this patent can eliminate the noise and vibration of magnetic pole remanent magnetism and rotor effectively, has and adjusts the ability that turns to, but does not have a self-starting ability, also there is torque dead-band, i.e. zero torque district, causes the performance of motor still not high, have impact on the scope of application of motor.Therefore, need to seek the simple and of good performance reluctance motor of a kind of structure.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide one to have self-starting ability, torque dead-band i.e. zero torque district is narrow, the simple two-phase multi-pole switched reluctance motor of structure.
The invention provides a kind of two-phase multi-pole switched reluctance motor, comprise shell, left end cap and right end cap, and stator, rotor, rotating shaft, position transducer and electric machine controller, described stator comprises magnetic pole of the stator and magnet exciting coil, described rotor comprises rotor magnetic pole and rotor spoke iron, described magnetic pole of the stator and rotor magnetic pole are the double-salient-pole structure that number of poles is equal, described magnetic pole of the stator and magnet exciting coil set firmly inside the shell, described rotor magnetic pole is sleeved in described rotating shaft by described rotor spoke iron, the signal input part of described electric machine controller is connected with described position transducer, the signal output part of described electric machine controller is connected with described magnet exciting coil by oscillator,
Described magnetic pole of the stator and rotor magnetic pole are provided with two sections that distribute along described rotor shaft direction, be respectively the first magnetic pole of the stator and the second magnetic pole of the stator, the first rotor magnetic pole and the second rotor magnetic pole, described first magnetic pole of the stator is with between the second magnetic pole of the stator, be provided with identical space between the first rotor magnetic pole and the second rotor magnetic pole, the energized circuit of described first magnetic pole of the stator and the second magnetic pole of the stator is connected in two-phase, and the radial vertical axis of described the first rotor magnetic pole and the second rotor magnetic pole staggers a magnetic pole angle be sleeved in described rotating shaft mutually;
Described position transducer is provided with two, is arranged on the described left end cap as non-output respectively, and the longitudinal axis of two described position transducers staggers a magnetic pole angle or an integer magnetic pole angle mutually; Described oscillator comprises two oscillators in parallel, and the first oscillator is connected with the magnet exciting coil of described first magnetic pole of the stator, and the second oscillator is connected with the magnet exciting coil of described second magnetic pole of the stator, is connected in two-phase.
Two-phase multi-pole switched reluctance motor of the present invention, is connected with electronic switch between wherein said electric machine controller and described oscillator, and described oscillator is LC attenuated oscillation device in parallel.
Two-phase multi-pole switched reluctance motor of the present invention, wherein said position transducer adopts flute profile optical coupling and anti-dazzling screen to form, even mutually the stagger magnetic pole angle even with the second light of first light, be arranged on described left end cap respectively, described anti-dazzling screen to be fixedly mounted in described rotating shaft and from described first light even with the groove of the second light idol be each passed through.
Two-phase multi-pole switched reluctance motor of the present invention, wherein said left end cap and right end cap arrange air inlet, air outlet and air channel spacer ring respectively, described air inlet is positioned at the inner edge of described left end cap and right end cap, be evenly distributed in 4, described air outlet is positioned at the outer rim of described left end cap and right end cap, be evenly distributed in 4, described air channel spacer ring is fixed between described air inlet and air outlet.
Two-phase multi-pole switched reluctance motor of the present invention, wherein said magnetic pole of the stator and rotor magnetic pole adopt electrical sheet to be overrided to form.
The beneficial effect of two-phase multi-pole switched reluctance motor of the present invention is: by arranging the two sections of magnetic pole of the stator and two-stage rotor magnetic pole that distribute along rotor shaft direction, and two position transducers and two oscillators, two-phase multi-pole switched reluctance motor is provided with self-starting ability, its torque dead-band i.e. zero torque district is very narrow, improve energy converting between mechanical efficiency, reduce the vacancy rate of control circuit and housing construction, improve the performance of motor, structure is also very simple.
Further, by arranging self-ventilation cooling system, two-phase multi-pole switched reluctance motor obtains good cooling performance.
Accompanying drawing explanation
Fig. 1 is the front sectional view of two-phase multi-pole switched reluctance motor of the present invention;
Fig. 2 is A-A cutaway view in Fig. 1 (state during power-off);
Fig. 3 is B-B cutaway view (rotor rotates counterclockwise) in Fig. 1;
Fig. 4 is B-B cutaway view in Fig. 1 (rotor clockwise rotation);
Fig. 5 is the schematic diagram of position transducer structure;
Fig. 6 is that schematic diagram is looked on a left side of Fig. 4;
Fig. 7 is the circuit block diagram of electric machine controller;
Fig. 8 is the ventilation schematic diagram of self-ventilation cooling system;
Fig. 9 is C-C direction view in Fig. 8.
Embodiment
For setting forth the present invention further, below in conjunction with embodiment, more detailed description is done to two-phase multi-pole switched reluctance motor of the present invention.
See Fig. 1 to Fig. 3, two-phase multi-pole switched reluctance motor of the present invention comprises shell 1, left end cap 7 and right end cap 8, and stator, rotor, rotor spoke iron 5 and rotating shaft 6.
Stator comprises magnetic pole of the stator and magnet exciting coil, and rotor comprises rotor magnetic pole and rotor spoke iron 5.Magnetic pole of the stator and rotor magnetic pole are the double-salient-pole structure that number of poles is equal, adopt electrical sheet to be overrided to form.
Magnetic pole of the stator and magnet exciting coil are installed in inside shell 1, and rotor magnetic pole is sleeved in rotating shaft 6 by rotor spoke iron 5.Magnet exciting coil a positive and a negative ground of adjacent two magnetic poles connects successively, and adjacent two magnetic poles form two points of magnetic loops of decile.
Magnetic pole of the stator and rotor magnetic pole are provided with two sections along rotating shaft 6 directional spreding, be respectively the first magnetic pole of the stator 21 and the second magnetic pole of the stator 22, the first rotor magnetic pole 31 and the second rotor magnetic pole 32, first magnetic pole of the stator 21 are provided with identical space 9 with between the second magnetic pole of the stator 22, between the first rotor magnetic pole 31 and the second rotor magnetic pole 32.The energized circuit of the first magnetic pole of the stator 21 and the second magnetic pole of the stator 22 is connected in two-phase.The radial vertical axis of the first rotor magnetic pole 31 and the second rotor magnetic pole 32 staggers a magnetic pole angle being sleeved in rotating shaft 6 mutually.
Two-phase multi-pole switched reluctance motor of the present invention also comprises position transducer and electric machine controller.
The signal input part of electric machine controller is connected with position transducer, and the signal output part of electric machine controller is connected with magnet exciting coil by oscillator.See Fig. 7, electric machine controller 10 is provided with electronic switch 14, composition graphs 5 and Fig. 6, and two position transducers are arranged on the left end cap 7 as non-output respectively, and the longitudinal axis of two position transducers staggers a magnetic pole angle or an integer magnetic pole angle mutually.Electronic switch 14 is connected between electric machine controller 10 and oscillator.First oscillator 19 is connected with the magnet exciting coil 41 of the first magnetic pole of the stator 21, and the second oscillator 20 is connected with the magnet exciting coil 42 of the second magnetic pole of the stator 22, is connected in two-phase.Two oscillators 19,20 are LC attenuated oscillation device in parallel.
In the embodiment of two-phase multi-pole switched reluctance motor of the present invention, see Fig. 5 and Fig. 6, position transducer adopts flute profile optical coupling 11,12 and anti-dazzling screen 13 to form, first light even 11 and the second light idol 12 stagger a magnetic pole angle mutually, be arranged on left end cap 7 respectively, anti-dazzling screen 13 to be fixedly mounted in rotating shaft 6 and to pass from the first light even 11 and the groove of the second light idol 12.In other embodiment of two-phase multi-pole switched reluctance motor of the present invention, position transducer also can adopt the transducer of other types to form.
In the embodiment of two-phase multi-pole switched reluctance motor of the present invention, be provided with self-ventilation cooling system.See Fig. 8 and Fig. 9, self-ventilation cooling system is included in air inlet 15, air outlet 16 and air channel spacer ring 17 that left end cap 7 and right end cap 8 are arranged respectively, air inlet 15 is positioned at the inner edge of left end cap 7 and right end cap 8, be evenly distributed in 4, air outlet 16 is positioned at the outer rim of left end cap 7 and right end cap 8, be evenly distributed in 4, air channel spacer ring 17 is fixed between air inlet 15 and air outlet 16.
The following describes the course of work of two-phase multi-pole switched reluctance motor of the present invention.
Two-phase multi-pole switched reluctance motor of the present invention has the function of self-starting ability and adjustment direction.When Installation and Debugging, the first light even 11 controlling two-phase switch and the second light even 12 stagger a magnetic pole angle mutually, and can not be blocked sheet 13 simultaneously and block, that is, have one in energising, motor all can start in any one angle.Electric machine controller 10 controls two-phase break-make in turn by electronic switch 14 and two oscillators 19,20, and torque dead-band i.e. zero torque district just becomes very narrow, and its structure is but very simple.
See Fig. 2, magnetic pole of the stator and rotor magnetic pole are in this position, this phase power-off.See Fig. 3, magnetic pole of the stator and rotor magnetic pole are in this position, and during circuit debugging, rotor rotates counterclockwise; See Fig. 4, during circuit debugging, magnetic pole of the stator and rotor magnetic pole are in this position, and rotor clockwise rotates.
After motor rotates, self-ventilation cooling system is due to the effect of pressure differential, and the cold air outside machine is inhaled into by air inlet 15 continuously, by the space between rotor spoke iron 5 and space 9, again by discharging outside machine by air outlet 16 between rotor magnetic pole and between magnetic pole of the stator, reach cooling effect.
After have employed self-ventilation cooling system, the fin on traditional motor fan housing, fan and casing all can save.
Above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineers and technicians in this area make technical scheme of the present invention and improvement, all should fall in protection range that claims of the present invention determine.
Claims (4)
1. a two-phase multi-pole switched reluctance motor, comprise shell (1), left end cap (7) and right end cap (8), and stator, rotor, rotating shaft (6), position transducer and electric machine controller, described stator comprises magnetic pole of the stator and magnet exciting coil, described rotor comprises rotor magnetic pole and rotor spoke iron (5), described magnetic pole of the stator and rotor magnetic pole are the double-salient-pole structure that number of poles is equal, described magnetic pole of the stator and magnet exciting coil are installed in shell (1) inner side, described rotor magnetic pole is sleeved in described rotating shaft (6) by described rotor spoke iron (5), the signal input part of described electric machine controller is connected with described position transducer, the signal output part of described electric machine controller is connected with described magnet exciting coil by oscillator, it is characterized in that:
Described magnetic pole of the stator and rotor magnetic pole are provided with two sections along described rotating shaft (6) directional spreding, be respectively the first magnetic pole of the stator (21) and the second magnetic pole of the stator (22), the first rotor magnetic pole (31) and the second rotor magnetic pole (32), between described first magnetic pole of the stator (21) and the second magnetic pole of the stator (22), identical space (9) is provided with between the first rotor magnetic pole (31) with the second rotor magnetic pole (32), the energized circuit of described first magnetic pole of the stator (21) and the second magnetic pole of the stator (22) is connected in two-phase, the radial vertical axis of described the first rotor magnetic pole (31) and the second rotor magnetic pole (32) staggers a magnetic pole angle be sleeved in described rotating shaft (6) mutually,
Described left end cap (7) and right end cap (8) arrange air inlet (15), air outlet (16) and air channel spacer ring (17) respectively, described air inlet (15) is positioned at the inner edge of described left end cap (7) and right end cap (8), be evenly distributed in 4, described air outlet (16) is positioned at the outer rim of described left end cap (7) and right end cap (8), be evenly distributed in 4, described air channel spacer ring (17) is fixed between described air inlet (15) and air outlet (16);
Described position transducer is provided with two, is arranged on the described left end cap (7) as non-output respectively, and the longitudinal axis of two described position transducers staggers a magnetic pole angle or an integer magnetic pole angle mutually; Described oscillator comprises two oscillators in parallel, first oscillator is connected with the magnet exciting coil (41) of described first magnetic pole of the stator (21), second oscillator is connected with the magnet exciting coil (42) of described second magnetic pole of the stator (22), is connected in two-phase.
2. two-phase multi-pole switched reluctance motor according to claim 1, is characterized in that: be connected with electronic switch between wherein said electric machine controller and described oscillator, and described oscillator is LC attenuated oscillation device in parallel.
3. two-phase multi-pole switched reluctance motor according to claim 2, it is characterized in that: wherein said position transducer adopts flute profile optical coupling and anti-dazzling screen (13) to form, first light even (11) and the second light even (12) stagger a magnetic pole angle mutually, be arranged on described left end cap (7) respectively, it is upper and be each passed through from described first light even (11) and the groove of the second light even (12) that described anti-dazzling screen (13) is fixedly mounted on described rotating shaft (6).
4. two-phase multi-pole switched reluctance motor according to claim 3, is characterized in that: wherein said magnetic pole of the stator and rotor magnetic pole adopt electrical sheet to be overrided to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242520.XA CN102957290B (en) | 2011-08-23 | 2011-08-23 | Two-phase multipolar switch reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242520.XA CN102957290B (en) | 2011-08-23 | 2011-08-23 | Two-phase multipolar switch reluctance motor |
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| Publication Number | Publication Date |
|---|---|
| CN102957290A CN102957290A (en) | 2013-03-06 |
| CN102957290B true CN102957290B (en) | 2015-01-14 |
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| CN201110242520.XA Expired - Fee Related CN102957290B (en) | 2011-08-23 | 2011-08-23 | Two-phase multipolar switch reluctance motor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300752B (en) * | 2014-09-29 | 2018-04-17 | 王国仁 | Multistage internal rotor switched reluctance machines |
| CN104362821A (en) * | 2014-09-29 | 2015-02-18 | 王国仁 | Multistage outer-rotor switched reluctance motor |
| CN106300900A (en) * | 2016-08-31 | 2017-01-04 | 石昊生 | A kind of superconductive single-phase multi-pole switched reluctance motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5866962A (en) * | 1996-11-30 | 1999-02-02 | Samsung Electronics Co., Ltd. | Rotor position detecting apparatus in switched reluctance motor |
| CN101964575A (en) * | 2009-07-23 | 2011-02-02 | 张世清 | Double-equal pole double-section stator/rotor reluctance generator |
| CN201869075U (en) * | 2010-12-02 | 2011-06-15 | 石云艾 | Single-phase multi-pole switch reluctance motor |
| CN202172353U (en) * | 2011-08-23 | 2012-03-21 | 合肥神话机电有限公司 | Two-phase multi-pole switched reluctance motor |
-
2011
- 2011-08-23 CN CN201110242520.XA patent/CN102957290B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5866962A (en) * | 1996-11-30 | 1999-02-02 | Samsung Electronics Co., Ltd. | Rotor position detecting apparatus in switched reluctance motor |
| CN101964575A (en) * | 2009-07-23 | 2011-02-02 | 张世清 | Double-equal pole double-section stator/rotor reluctance generator |
| CN201869075U (en) * | 2010-12-02 | 2011-06-15 | 石云艾 | Single-phase multi-pole switch reluctance motor |
| CN202172353U (en) * | 2011-08-23 | 2012-03-21 | 合肥神话机电有限公司 | Two-phase multi-pole switched reluctance motor |
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| CN102957290A (en) | 2013-03-06 |
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Effective date of registration: 20170329 Address after: 230000 Hefei, Changfeng County, Anhui Wu Shan town Patentee after: Hefei Jinhui Machinery Manufacturing Co., Ltd. Address before: 230031 Hefei province high tech Zone, Hefei, East Road, No. 17 diving Patentee before: Hefei Shenhua Electromechanical Co., Ltd. |
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Granted publication date: 20150114 Termination date: 20180823 |
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