CN205319909U - Hoop stack magnetic circuit switch reluctance dc motor - Google Patents
Hoop stack magnetic circuit switch reluctance dc motor Download PDFInfo
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- CN205319909U CN205319909U CN201620081422.0U CN201620081422U CN205319909U CN 205319909 U CN205319909 U CN 205319909U CN 201620081422 U CN201620081422 U CN 201620081422U CN 205319909 U CN205319909 U CN 205319909U
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Abstract
The utility model discloses a hoop stack magnetic circuit switch reluctance dc motor, including stator unit with install the rotor unit in stator unit, stator unit is including installing a plurality of split type stator core lamination in the casing, the stator winding of coiling on stator core lamination salient pole, the iron magnetic conduction voussoir subassembly of stator permanent magnet and fixed stator core lamination and stator permanent magnet, the stator permanent magnet with polarity is laid on the both ends hoop surface of every independent stator core lamination, unipolarity stator core lamination monomer is constituteed to stator core lamination and stator permanent magnet. Can make produced electromagnetic field of this phase winding and permanent magnetic field stack reinforce after -action in rotor after the stator winding circular telegram on the stator core lamination salient pole. The rotor does not have the salient -pole type structure of magnet for no winding. By adopting the above structure, the utility model, have the work efficiency superelevation, the consumption is ultralow, the high and smooth operation of power density, and comprehensive properties is superior.
Description
Technical field
This utility model relates to switched reluctance motor field, in particular it relates to hoop superposition Magnetic circuit switch magnetic resistance dc motor.
Background technology
Existing Stators for Switched Reluctance Motors, rotor is salient-pole structure, and stator salient poles is independent winding, rotor with salient pole both without winding also without permanent magnet, fewer than salient stator number of poles 2 of rotor with salient pole number. When rotor with salient pole is in magnetic field axis adjacent locations with a certain salient pole of stator, controlling switch Guan Bi by position sensor, the relevant salient pole winding energising of stator produces magnetic field and forms magnetic loop with associated rotor salient pole. According to magnetic resistance minimum principle, namely suction torque is produced between associated stator, rotor with salient pole, the power cutoff when stator salient poles is run to magnetic field dead in line with rotor with salient pole, torque disappears, and other stator salient poles winding obtaining power on condition is opened power supply and is formed torque, circulation realization continuously runs successively, and the operation of switched reluctance machines fully relies on electromagnetic torque.
Existing another kind of Doubly salient permanent magnet motor (being called for short DSPM motor) is, on the basis of switched reluctance machines simple structure, high performance permanent Magnet is embedded stator core, form permanent-magnet stator, its operation principle is essentially identical with switched reluctance machines, and institute is permanent-magnet torque the difference is that torque active in doubly salient permanent magnet motor.
Both the above motor has a common feature, no matter motor stator is made up of how many salient poles, is in operation and only has the salient pole wheel flow-thru electrode of 1/3 to produce torque, and the salient pole of 2/3 power-off in turn is standby. Result in the work efficiency of motor, power density, smoothness of operation is desirable all not to the utmost, wastes material simultaneously, adds production cost.
Utility model content
This utility model overcomes the deficiencies in the prior art, it is provided that hoop superposition Magnetic circuit switch magnetic resistance dc motor, and this high and low power consumption of electric motor operation efficiency, power density be high and smooth running, and combination property is superior.
The technical scheme in the invention for solving the above technical problem is: hoop superposition Magnetic circuit switch magnetic resistance dc motor, including stator unit and the rotor unit being installed in stator unit, stator unit includes the multiple split type stator core lamination being installed in casing, it is wound on the stator winding on stator core lamination salient pole, the irony magnetic conduction wedge assemblies of stator permanent magnet and fixed stator core lamination stack and stator permanent magnet, the two ends circumferential surface of each independent stator core lamination lays the stator permanent magnet of same polarity, stator core lamination and stator permanent magnet composition unipolarity stator core lamination monomer, the stator winding interval on whole stator core lamination salient poles on stator unit is wired to A phase stator winding and B phase stator winding,Described rotor unit includes the rotor pack for drive shaft turns. Electromagnetic field produced by salient pole winding on stator unit is formed with the salient pole on irony magnetic conduction voussoir, rotor unit of the permanent-magnetic field of salient pole on stator unit and superposes magnetic circuit, makes the field spider on rotor unit produce to export in the kinetic energy of field spider much larger than simple electromagnetic field effect.
Stator unit and rotor unit are at least 2 and number is equal, and the number of stator unit is N number of and is connected on axle, and wherein the span of N is the natural number between 2-4. The design of multiple stator units worked alone and multiple rotor unit worked alone, can separately design independent unit and manufacture when manufacturing and designing, and manufactures easier, and manufacturing process is optimized, and production cost is more reasonable.
Two adjacent groups rotor unit staggers mutually 1/N salient pole spacing on respective salient pole week footpath distributing position. Overcoming the torque pulsation produced when A phase stator winding and B phase stator winding commutation, namely K1 rotor unit is when commutation zero torque position, and K2 rotor unit is then in torque peak position, makes torque output more steady, and motor efficiency is higher.
The tail end of described axle is external rotary switch also, and the K1 on rotary switch exports carbon brush and K2 exports carbon brush alternately to the A phase stator winding on each stator unit or B phase stator winding input pulse unidirectional current. The stator winding of stator unit adopts A phase stator winding and the biphase operational mode of B phase stator winding, compared with conventional traditional mode, the operation ratio of energising continuously making stator salient poles rises to 1/2 from 1/3, promotes more than 16% than existing switched reluctance machines, power density is greatly improved.
Irony magnetic conduction wedge assemblies includes the fixing voussoir of stator, irony magnetic conduction voussoir and voussoir bolt, salient pole two ends circumferential surface spaced apart on stator core lamination lays irony magnetic conduction voussoir, the fixing voussoir of stator is used for fixing adjacent two unipolarity stator core lamination monomers, and voussoir is bolted in casing. Stator core lamination therein, stator permanent magnet are pressed N, S polarity adhesive in orientation shown in figure and are installed, then are bolted in Al alloy shell body with irony magnetic conduction voussoir, the fixing voussoir of stator, voussoir, and namely embed stator winding becomes a stator unit. Each stator unit works alone, and the design in later stage is optimized, and the later stage manufactures more easy, and production cost is reduced.
The span of number K=4+4n, the n of salient pole natural number between 17 on stator unit.
Rotary switch includes contact ring, multi-disc electrical piece and multi-disc power-off sheet, electrical piece and power-off sheet cross-distribution and encloses around contact ring one, insulation bonding between electrical piece and power-off sheet. Ensure that the differentiation that on rotary switch, power on/off is interval, it is ensured that rotary switch accurately controls alternate communication and the disconnection of A phase stator winding or B phase stator winding.
Salient pole on rotor unit upper rotor part lamination is without winding and non-magnet, and on rotor unit, the salient pole number on all rotor packs is the 1/2 of stator core lamination epirelief number of poles, is fixed by rotor fixed position set between adjacent two rotor units; It is fixed by casing centring ring between adjacent two stator units. Better ensure that the electromagnetic field that stator salient poles produces is formed with the permanent-magnetic field of stator salient poles superpose magnetic circuit through irony magnetic conduction voussoir, rotor with salient pole, make field spider produce to export in the kinetic energy of field spider much larger than simple electromagnetic field effect, make efficiency higher.
The tail end of described axle also sets up end cap, installs brush carriage on end cap positioning spigot, installs input brush, K1 output carbon brush and K2 and export carbon brush on brush carriage.
To sum up, the beneficial effects of the utility model are:
1, with fully relied on compared with motor fully relies on electromagnetic torque in the past, the electromagnetic field that stator salient poles in this programme produces is formed with the permanent-magnetic field of stator salient poles superpose magnetic circuit through irony magnetic conduction voussoir, rotor with salient pole, making field spider produce to export in the kinetic energy of field spider much larger than simple electromagnetic field effect, efficiency is higher.
2, the stator winding A phase on stator unit and the B pattern run that alternates makes the continuously energising operation ratio of stator salient poles rise to 1/2 from 1/3, and the existing switched reluctance machines of ratio improves more than 16%, and power density is greatly improved.
3, the multiple-unit modularization standardization structure of stator unit and rotor unit, makes design optimization, manufactures easier, production cost reduction, and steadily, combination property is superior for the motor high energy efficiency produced, low in energy consumption, high power density and moment of torsion output.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 be K1 stator unit in Fig. 1 A phase winding energising time K1-K1 to sectional view;
Fig. 3 be K2 stator unit in Fig. 1 A phase winding energising time K2-K2 to sectional view;
Fig. 4 be K1 stator unit in Fig. 1 B phase winding energising time K1-K1 to sectional view;
Fig. 5 be K2 stator unit in Fig. 1 B phase winding energising time K2-K2 to sectional view;
Fig. 6 is rotary switch structure schematic diagram.
Labelling and corresponding parts title in accompanying drawing: 1, casing; 2, stator core lamination; 3, stator permanent magnet; 4, the fixing voussoir of stator; 5, irony magnetic conduction voussoir; 6, voussoir bolt; 7, stator winding; 8, rotor pack; 9, rotor fixed position set; 10, casing centring ring; 11, brush carriage; 12, input brush; 13, rotary switch; 14, K1 exports carbon brush; 15, K2 exports carbon brush; 16, axle; 17, contact ring; 18, electrical piece; 19, power-off sheet.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is done detailed description further, but embodiment of the present utility model is not limited to this.
Fig. 2 be K1A export carbon brush connect, K1B export carbon brush disconnect time, A phase winding be energized, K1 stator unit K1-K1 to sectional view; Fig. 3 be K2A export carbon brush connect, K2B export carbon brush disconnect time, A phase winding be energized, K2 stator unit K2-K2 to sectional view; Fig. 4 be K1A export carbon brush disconnect, K1B export carbon brush connect time, B phase winding be energized, K1 stator unit K1-K1 to sectional view; Fig. 5 be K2A export carbon brush disconnect, K2B export carbon brush connect time, B phase winding be energized, K2 stator unit K2-K2 to sectional view;
Embodiment 1:
As shown in figures 1 to 6, this utility model includes stator unit and the rotor unit being installed in stator unit, stator unit includes the multiple split type stator core lamination 2 being installed in casing 1, it is wound on the stator winding 7 on stator core lamination 2 salient pole, the irony magnetic conduction wedge assemblies of stator permanent magnet 3 and fixed stator core lamination stack 2 and stator permanent magnet 3, the two ends circumferential surface of each independent stator core lamination 2 lays the stator permanent magnet 3 of same polarity, stator core lamination 2 and stator permanent magnet 3 form unipolarity stator core lamination monomer, stator winding 7 interval on whole stator core lamination 2 salient poles on stator unit is wired to A phase stator winding and B phase stator winding,Described rotor unit includes the rotor pack 8 for driving axle 16 to rotate.
Casing is aluminium alloy casing, as shown is connection and A phase and B alternates switch operational relation, and the stator salient poles on stator unit is independent winding, and rotor unit is without winding, without the salient pole type structure of permanent magnet. It is biphase that stator winding interval on each stator unit is wired to A, B, the external rotary switch Tong Bu with rotor unit controls the alternation switch of A phase winding or B phase winding respectively, the directional magnetic field of the salient pole on formation associated stator unit and the superposition of the permanent-magnetic field of the relevant salient pole of stator unit, and act on the salient pole on whole rotor unit.
Electromagnetic field produced by salient pole winding on stator unit is formed with the salient pole on irony magnetic conduction voussoir, rotor unit of the permanent-magnetic field of salient pole on stator unit and superposes magnetic circuit, makes the field spider on rotor unit produce to export in the kinetic energy of field spider much larger than simple electromagnetic field effect. The stator winding of stator unit adopts the operational mode that A phase is biphase with B phase, compared with conventional traditional mode so that the operation ratio of energising continuously of stator salient poles rises to 1/2 from 1/3, promotes more than 16% than existing switched reluctance machines, power density is greatly improved, and the efficiency of motor is higher.
Embodiment 2:
The present embodiment is preferably as follows on the basis of above-described embodiment 1: stator unit and rotor unit are at least 2 and number is equal, and the number of stator unit is N number of and is connected on axle 16, and wherein the span of N is the natural number between 2-4. In the present embodiment, the group number of stator unit and rotor unit is 2 groups, two groups of stator unit respectively K1 and K2. The group number of stator unit and rotor unit also can be adjusted according to actual needs, uses more flexible. The design of multiple stator units worked alone and the many groups of rotor units worked alone, can separately design independent unit and manufacture when manufacturing and designing, and manufactures easier, and manufacturing process is optimized, and production cost is more reasonable.
Embodiment 3:
The present embodiment is preferably as follows on the basis of above-described embodiment: two adjacent groups rotor unit staggers mutually 1/N salient pole spacing on respective salient pole week footpath distributing position. The torque pulsation produced during for overcoming A phase stator winding and B phase stator winding commutation, namely K1 rotor unit is when commutation zero torque position, and K2 rotor unit is then in torque peak position, makes torque output more steady.
Embodiment 4:
The present embodiment is preferably as follows on the basis of above-described embodiment: the tail end of described axle 16 is external rotary switch 13 also, and the K1 on rotary switch 13 exports carbon brush 14 and K2 exports carbon brush 15 alternately to the A phase stator winding on each stator unit or B phase stator winding input pulse unidirectional current. It is biphase that the independent winding interval line of the salient pole on each stator unit is divided into A, B, external rotary switch with axle operating, controlled the A phase of the stator of two groups of stator units or the alternation switch of B phase winding by the carbon brush of relevant position respectively, form the directed electromagnetic field salient pole permanent magnetic field superposition relevant to stator of associated stator salient pole and act on whole rotor with salient pole output torque kinetic energy.
DC source is through controlling switch, input brush, rotary switch is positioned at the salient pole A phase stator winding of the salient pole adjacent locations of stator unit and powers and produce directed electromagnetic field to the salient pole of rotor unit, salient pole orientation electromagnetic field superposes each salient pole formation magnetic linkage loop after strengthening with rotor unit with the salient pole permanent magnetic field of stator unit, according to magnetic resistance minimum principle, the salient pole of rotor unit rotates to the direction that magnetic resistance diminishes and produces torque, when the salient pole of rotor unit operates to the magnetic salient pole dead in line of associated stator unit with the synchronous operated rotary switch shutoff A phase stator winding power supply of rotor unit be also turned on B phase winding power supply, A phase stator winding salient pole magnetic force disappears, B phase stator winding salient pole produces to form magnetic linkage loop with each salient pole of rotor unit after electromagnetic field superposes strengthening with the salient pole permanent magnetic field of stator unit and enters continuous circular flow.
Embodiment 5:
The present embodiment is preferably as follows on the basis of above-described embodiment: irony magnetic conduction wedge assemblies includes the fixing voussoir 4 of stator, irony magnetic conduction voussoir 5 and voussoir bolt 6, salient pole two ends circumferential surface spaced apart on stator core lamination 2 lays irony magnetic conduction voussoir 5, the fixing voussoir 4 of stator is used for fixing adjacent two unipolarity stator core lamination monomers, and voussoir bolt 6 is fixed in casing 1. Stator core lamination therein, stator permanent magnet are pressed N, S polarity adhesive in orientation shown in figure and are installed, then are bolted in Al alloy shell body with irony magnetic conduction voussoir, the fixing voussoir of stator, voussoir, and namely embed stator winding becomes a stator unit. Each stator unit works alone, and the design in later stage is optimized, and the later stage manufactures more easy, and production cost is reduced.
The span of number K=4+4n, the n of salient pole natural number between 17 on stator unit. In the present embodiment, the salient pole number on stator core lamination is set to 12, and the number of salient pole is designed as 8,16,20,24,28 and 32 also dependent on being actually needed.
Rotary switch 13 includes contact ring 17, multi-disc electrical piece 18 and multi-disc power-off sheet 19, electrical piece 18 and power-off sheet 19 cross-distribution and encloses around contact ring 17 1, insulation bonding between electrical piece 18 and power-off sheet 19. Rotary switch adopts heat-resistant insulation material, it is ensured that the differentiation that on rotary switch, power on/off is interval, it is ensured that rotary switch accurately controls connection and the disconnection of A phase or B phase.
Embodiment 6:
The present embodiment is preferably as follows on the basis of above-described embodiment: the salient pole on rotor unit upper rotor part lamination 8 is without winding and non-magnet, on rotor unit, the salient pole number on all rotor packs 8 is on stator core lamination 2 the 1/2 of number of salient poles, is fixed by rotor fixed position set 9 between adjacent two rotor units; It is fixed by casing centring ring 10 between adjacent two stator units. Salient pole number on the present embodiment rotor lamination is 6. Better ensure that the electromagnetic field that stator salient poles produces is formed with the permanent-magnetic field of stator salient poles superpose magnetic circuit through irony magnetic conduction voussoir, rotor with salient pole, make field spider produce to export in the kinetic energy of field spider much larger than simple electromagnetic field effect, make efficiency higher.
The tail end of axle 16 also sets up end cap, installs brush carriage 11 on end cap positioning spigot, installs input brush 12, K1 output carbon brush 14 and K2 and export carbon brush 15 on brush carriage 11.
The above; it it is only preferred embodiment of the present utility model; not this utility model is done any pro forma restriction, every according to technical spirit of the present utility model, above example is made any simple modification, equivalent variations, each fall within protection domain of the present utility model.
Claims (9)
1. hoop superposition Magnetic circuit switch magnetic resistance dc motor, including stator unit and the rotor unit being installed in stator unit, it is characterized in that, stator unit includes the multiple split type stator core lamination (2) being installed in casing (1), it is wound on the stator winding (7) on stator core lamination (2) salient pole, the irony magnetic conduction wedge assemblies of stator permanent magnet (3) and fixed stator core lamination stack (2) and stator permanent magnet (3), the two ends circumferential surface of each independent stator core lamination (2) lays the stator permanent magnet (3) of same polarity, stator core lamination (2) and stator permanent magnet (3) composition unipolarity stator core lamination monomer, stator winding (7) interval on whole stator core lamination (2) salient poles on stator unit is wired to A phase stator winding and B phase stator winding,Described rotor unit includes the rotor pack (8) for driving axle (16) to rotate.
2. hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 1, it is characterized in that, stator unit and rotor unit are at least 2 and number is equal, and the number of stator unit is N number of and is connected on axle (16), and wherein the span of N is the natural number between 2-4.
3. hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 2, it is characterised in that two adjacent groups rotor unit staggers mutually 1/N salient pole spacing on respective salient pole week footpath distributing position.
4. the hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 1-3 any one, it is characterized in that, the tail end of described axle (16) also external rotary switch (13), the K1 on rotary switch (13) exports carbon brush (14) and K2 exports carbon brush (15) alternately to the A phase stator winding on each stator unit or B phase stator winding input pulse unidirectional current.
5. hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 1, it is characterized in that, irony magnetic conduction wedge assemblies includes the fixing voussoir (4) of stator, irony magnetic conduction voussoir (5) and voussoir bolt (6), irony magnetic conduction voussoir (5) is laid in the upper salient pole two ends circumferential surface spaced apart of stator core lamination (2), stator is fixed voussoir (4) and is used for fixing adjacent two unipolarity stator core lamination monomers, and voussoir bolt (6) is fixed in casing (1).
6. hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 1, it is characterised in that the span of number K=4+4n, the n of salient pole natural number between 17 on stator unit.
7. hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 4, it is characterized in that, rotary switch (13) includes contact ring (17), multi-disc electrical piece (18) and multi-disc power-off sheet (19), electrical piece (18) and power-off sheet (19) cross-distribution and enclose around contact ring (17), between electrical piece (18) and power-off sheet (19), insulation bonds.
8. hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 1, it is characterized in that, salient pole on rotor unit upper rotor part lamination (8) is without winding and non-magnet, on rotor unit, the salient pole number on all rotor packs (8) is the 1/2 of the upper number of salient poles of stator core lamination (2), is fixed by rotor fixed position set (9) between adjacent two rotor units; It is fixed by casing centring ring (10) between adjacent two stator units.
9. hoop superposition Magnetic circuit switch magnetic resistance dc motor according to claim 1, it is characterized in that, the tail end of described axle (16) also sets up end cap, installing brush carriage (11) on end cap positioning spigot, upper installation input brush (12) of brush carriage (11), K1 exports carbon brush (14) and K2 exports carbon brush (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081422.0U CN205319909U (en) | 2016-01-28 | 2016-01-28 | Hoop stack magnetic circuit switch reluctance dc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081422.0U CN205319909U (en) | 2016-01-28 | 2016-01-28 | Hoop stack magnetic circuit switch reluctance dc motor |
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| Publication Number | Publication Date |
|---|---|
| CN205319909U true CN205319909U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620081422.0U Withdrawn - After Issue CN205319909U (en) | 2016-01-28 | 2016-01-28 | Hoop stack magnetic circuit switch reluctance dc motor |
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| Country | Link |
|---|---|
| CN (1) | CN205319909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978275A (en) * | 2016-01-28 | 2016-09-28 | 冯西川 | Loop superposition magnetic circuit switch reluctance direct current motor |
-
2016
- 2016-01-28 CN CN201620081422.0U patent/CN205319909U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978275A (en) * | 2016-01-28 | 2016-09-28 | 冯西川 | Loop superposition magnetic circuit switch reluctance direct current motor |
| CN105978275B (en) * | 2016-01-28 | 2018-07-27 | 冯西川 | Circumferential direction superposition Magnetic circuit switch magnetic resistance dc motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20180727 |