CN202798413U - Switched reluctance motor - Google Patents
Switched reluctance motor Download PDFInfo
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- CN202798413U CN202798413U CN2012205371095U CN201220537109U CN202798413U CN 202798413 U CN202798413 U CN 202798413U CN 2012205371095 U CN2012205371095 U CN 2012205371095U CN 201220537109 U CN201220537109 U CN 201220537109U CN 202798413 U CN202798413 U CN 202798413U
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- switched reluctance
- reluctance machines
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Abstract
The utility model provides a switched reluctance motor, includes the motor frame, be provided with the stator on the motor frame, the winding has stator winding on the stator, be equipped with the rotor in the stator, the rotor internal fixation has the rotor shaft, be provided with front end housing and rear end cap on the motor frame, stator, rotor and rotor shaft are located the enclosure space that front end housing and rear end cap enclose, be provided with rotary transformer between front end housing and the rotor, rotary transformer's transformer rotor and rotor shaft rigid coupling are in the same place, rotary transformer's transformer stator and front end housing rigid coupling are in the same place, stator winding is the three-phase concentrated winding, stator and rotor are the biconvex pole structure, evenly distributed 18 magnetic poles on the stator, evenly distributed 12 magnetic poles on the rotor, the magnetic pole on stator and the rotor is trapezoidal tooth structure. The structure is simple, the work is reliable, the operation is stable, the torque pulsation is small, the noise is low, and the application on the automobile is convenient.
Description
Technical field
The utility model relates to technical field of motors, particularly a kind of switched reluctance machines.
Background technology
Buncher is the rotating speed that the methods such as the progression that utilize to change motor, voltage, electric current, frequency change motor, so that motor reaches a kind of motor of higher serviceability.Comprise frequency control motor, dc speed-regulating motor.Because DC motor has the characteristics of slow-speed of revolution high-torque, be that alternating current motor can't replace, so dc speed-regulating motor is widely applied in fields such as industrial direct current motor speed governing, industrial conveyer belt speed governing, lighting conciliation, computer power supply heat radiation, direct current electric fans.
Chinese patent Granted publication CN 202395551U, the utility model patent in August 22 2012 Granted publication day discloses a kind of electric exciting brushless starting, generator, be designed with field winding groove and phase winding groove on the motor stator, the field winding groove of stator is identical with phase winding groove quantity and corresponding with the rotor number of poles, field winding groove at stator is connected in series with magnetizing coil, pass to fixing direct current, make it extremely produce N at stator, the magnetic field of S alternative arrangement, and at the notch of field winding groove magnet steel is installed, magnetic field after the magnetizing coil energising and the magnetic direction of magnet steel strengthen mutually in the effect that stator tooth produces, and space symmetr is placed with three phase windings in the phase winding groove of stator; Rotor adopts the salient-pole structure the same with switched reluctance machines.
Switched reluctance machines is a kind of novel buncher, and governing system has direct current concurrently, exchanges the advantage of two class governing systems, is the latest generation governing system of frequency conversion speed-adjusting system, Speed Regulating System of Brushless DC Motor of continuing.Switched reluctance machines is simple in structure, superior performance, and reliability is high, the various high driven at low speed governing system of coverage power scope 10W～5MW.So that there are many potential fields in switched reluctance machines, all can be used widely (every field such as electric motor car driving, universal industrial, household electrical appliance, textile machine, power transmission system) in various speed governing and the high efficiency occasions of needing.
Yet, because the switched reluctance machines operating characteristic can cause larger torque pulsation, cause vibration and noise, this limited switched reluctance machines at some to the have relatively high expectations utilization of industry of vibration noise.
Summary of the invention
The purpose of this utility model is to overcome defective and the deficiency that the switched reluctance machines noise is large in the prior art, and a kind of compact conformation, switched reluctance machines that noise is little are provided.
For realizing above purpose, technical solution of the present utility model is: a kind of switched reluctance machines, comprise electric machine stand, be provided with stator on the described electric machine stand, be wound with stator winding on the described stator, in the described stator rotor is housed, be fixed with armature spindle in the described rotor, be provided with front end housing and rear end cap on the described electric machine stand, described stator, rotor and armature spindle are positioned at the enclosure space that front end housing and rear end cap surround, be provided with resolver between described front end housing and the rotor, transformer rotor and the armature spindle of described resolver are fixed together, resolver stator and the front end housing of described resolver are fixed together, described stator winding is winding in the three-phase set, and described stator and rotor are the double-salient-pole structure, and 18 magnetic poles evenly distribute on the described stator, even 12 magnetic poles that distribute on the rotor, described stator and epitrochanterian magnetic pole are the stepped tooth structure.
Be connected with stator lead on the described resolver stator, be distributed with oval installing hole along even circumferential on the resolver stator, be provided with location hole between the adjacent oval installing hole, be connected by the rotor flat key between described transformer rotor and the armature spindle.
Described rotor both sides are provided with pressing plate, are connected by flat key between described rotor and the armature spindle, and an end of described armature spindle is provided with the rectangle external splines, and the other end of armature spindle is provided with involute inner spline.
The two ends of described armature spindle are respectively arranged with fore bearing and rear bearing, and described fore bearing is between resolver and rotor, and described rear bearing is between rear end cap and rotor, and rear bearing is locking state.
The inside of described electric machine stand is provided with cooling water channel.
The both sides of described electric machine stand are provided with the motor installing hole, and every side motor installing hole is to be no less than 4 screwed hole.
The low pressure connector is installed on the described front end housing, and described low pressure connector is connected with stator lead.
The inside of described stator winding is provided with the winding temperature transducer, is provided with the cavity temperature sensor between described front end housing and the rear end cap, and the control line of described winding temperature transducer and cavity temperature sensor is connected with the low pressure connector.
On the described rear end cap terminal box is installed, is provided with high-tension terminal on the terminal box, be provided with the installation error protection code on the described high-tension terminal, high-tension terminal respectively with the corresponding connection of control line on the stator winding.
Be provided with breather valve on the described rear end cap.
Compared with prior art, the utlity model has following benefit:
1, the motor stator in the utility model, rotor and resolver form 18/12 double salient-pole electric machine, the torque pulsation of this structure is little, machine operation is stable, the magnetic pole of stator and rotor adopts the stepped tooth structure, can strengthen structural strength, reduces the Radial magnetic force of motor, torque ripple reduction, do like this and can so that not affecting in the situation that motor runs well, reduce as far as possible because rotor rotates the impact that brings to motor stabilizing under the magnetic attraction effect, reach the purpose of noise reduction.
2, the resolver in the utility model is fixed on resolver stator on the front end housing by oval installing hole, the location hole that is positioned on the resolver stator, by the rotor flat key transformer rotor is fixed on the armature spindle, resolver just has been linked to be one with switched reluctance machines like this, can detect accurately the position of motor, improve the performance of electric machine control system, more stable when making the motor operation, noise is low.
3, the utility model is provided with fore bearing and rear bearing at the armature spindle two ends, is used for support rotor axle and rotor, and fore bearing is installed on the motor front end cover, and is not exclusively locked, is convenient to adjust the error when installing; Rear bearing is installed in motor rear end and covers, and the two ends of rear bearing are fully locked, makes the operation of motor more steady.
4, the utility model is being provided with cooling water channel in electric machine stand inside, improved the cooling effect of motor, reduced the volume of motor, the electric machine stand both sides are designed with the motor installing hole simultaneously, the motor installing hole consists of the four point suspension system of whole power assembly with the position, hole that suspends of engine, thereby make the design of whole suspension system more reasonable, more reliable.
5, the utility model is provided with the winding temperature transducer in the inside of stator winding, is provided with the cavity temperature sensor between front end housing and rear end cap, like this can the Real-Time Monitoring stator winding and the variations in temperature of motor internal, guarantee the steady operation of motor.
6, the utility model is equipped with the low pressure connector at front end housing, and the control line of the stator lead of resolver, winding temperature transducer and cavity temperature sensor all is connected on the low pressure connector, so that the maintenance of motor harness is convenient.
7, the utility model is provided with breather valve at rear end cap, is used for preventing the damage that causes because of the motor internal excess Temperature.
Description of drawings
Fig. 1 is structural representation one of the present utility model (cutaway view).
Fig. 2 is the stator and rotor sructure schematic diagram in the utility model.
Fig. 3 is the stator and rotor sructure schematic diagram of the resolver in figure the utility model.
Fig. 4 is structural representation two of the present utility model (outline drawing).
Among the figure: electric machine stand 1, stator 2, stator winding 3, rotor 4, armature spindle 5, front end housing 6, rear end cap 7, resolver 8, transformer rotor 9, resolver stator 10, stator lead 11, oval installing hole 12, location hole 13, rotor flat key 14, pressing plate 15, flat key 16, fore bearing 17, rear bearing 18, cooling water channel 19, motor installing hole 20, low pressure connector 21, terminal box 22, high-tension terminal 23, winding temperature transducer 24, cavity temperature sensor 25, breather valve 26.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail:
Referring to Fig. 1-Fig. 2, a kind of switched reluctance machines, comprise electric machine stand 1, be provided with stator 2 on the described electric machine stand 1, be wound with stator winding 3 on the described stator 2, in the described stator 2 rotor 4 is housed, be fixed with armature spindle 5 in the described rotor 4, be provided with front end housing 6 and rear end cap 7 on the described electric machine stand 1, described stator 2, rotor 4 and armature spindle 5 are positioned at the enclosure space that front end housing 6 and rear end cap 7 surround, described rotor 4 both sides are provided with pressing plate 15, be connected by flat key 16 between described rotor 4 and the armature spindle 5, one end of described armature spindle 5 is provided with the rectangle external splines, the other end of armature spindle 5 is provided with involute inner spline, the inside of described stator winding 3 is provided with winding temperature transducer 24, be provided with cavity temperature sensor 25 between described front end housing 6 and the rear end cap 7, be provided with resolver 8 between described front end housing 6 and the rotor 4, transformer rotor 9 and the armature spindle 5 of described resolver 8 are fixed together, resolver stator 10 and the front end housing 6 of described resolver 8 are fixed together, the two ends of described armature spindle 5 are respectively arranged with fore bearing 17 and rear bearing 18, described fore bearing 17 is between resolver 8 and rotor 4, described rear bearing 18 is between rear end cap 7 and rotor 4, and rear bearing 18 is locking state, described stator winding 3 is winding in the three-phase set, described stator 2 and rotor 4 are the double-salient-pole structure, 18 magnetic poles evenly distribute on the described stator 2, even 12 magnetic poles that distribute on the rotor 4, the magnetic pole on described stator 2 and the rotor 4 is the stepped tooth structure.
Be provided with breather valve 26 on the described rear end cap 7, be used for preventing causing because the switched reluctance machines internal temperature is too high damage.
Referring to Fig. 3, be connected with stator lead 11 on the described resolver stator 10, be distributed with seven oval installing holes 12 along even circumferential on the resolver stator 10, be provided with location hole 13 between the adjacent oval installing hole 12, be connected by rotor flat key 14 between described transformer rotor 9 and the armature spindle 5, resolver 8 just has been linked to be one with switched reluctance machines like this, and is more stable during operation.
Referring to Fig. 4, the inside of described electric machine stand 1 is provided with cooling water channel 19, can improve the cooling effect of motor, the both sides of electric machine stand 1 are provided with motor installing hole 20, the quantity of every side motor installing hole 20 is four, and all be screwed hole, motor installing hole 20 just can consist of with the position, hole that suspends of engine the four point suspension system of whole power assembly like this.
On the described front end housing 6 low pressure connector 21 is installed, described low pressure connector 21 is connected with stator lead 11, winding temperature transducer 24 and the control line of cavity temperature sensor 25, on the described rear end cap 7 terminal box 22 is installed, be provided with high-tension terminal 23 on the terminal box 22, be provided with the installation error protection code on the described high-tension terminal 23, high-tension terminal 23 respectively with the corresponding connection of control line on the stator winding 3.
Installation process of the present utility model is: 1. stator winding 3 is installed on the motor stator, stator 2 overall thermal are set on the electric machine stand 1,2. rotor 4 usefulness pressing plates 15 are compressed, again rotor 4 is fixed on the armature spindle 5 by flat key 16, the armature spindle 5 that is fixed with rotor 4 is inserted in the stator 2,3. fore bearing 17 and rear bearing 18 are installed at armature spindle 5 two ends, 4. resolver 8 is fixed on the front end housing 6 by oval installing hole 12 and the location hole 13 that is positioned on the resolver stator 10, stator lead 11 is connected on the low pressure connector 21,5. winding temperature transducer 24 is placed on stator winding 3 inside, the control line of winding temperature transducer 24 is connected on the low pressure connector 21,6. front end housing 6 and rear end cap 7 are installed on the electric machine stand 1, and guarantee that the transformer rotor 9 on the resolver 8 links together by rotor flat key 14 and armature spindle 5, then cavity temperature sensor 25 is installed between front end housing 6 and rear end cap 7, the control line of winding temperature transducer 24 is connected on the low pressure connector 21, the control line of stator winding 3 is connected respectively on the high-tension terminal 23, thereby finishes the assembling of switched reluctance machines.
Claims (10)
1. switched reluctance machines, comprise electric machine stand (1), be provided with stator (2) on the described electric machine stand (1), be wound with stator winding (3) on the described stator (2), rotor (4) is housed in the described stator (2), be fixed with armature spindle (5) in the described rotor (4), be provided with front end housing (6) and rear end cap (7) on the described electric machine stand (1), described stator (2), rotor (4) and armature spindle (5) are positioned at the enclosure space that front end housing (6) and rear end cap (7) surround, be provided with resolver (8) between described front end housing (6) and the rotor (4), the transformer rotor (9) of described resolver (8) is fixed together with armature spindle (5), the resolver stator (10) of described resolver (8) is fixed together with front end housing (6), described stator winding (3) is winding in the three-phase set, it is characterized in that: described stator (2) and rotor (4) are the double-salient-pole structure, upper 18 magnetic poles that evenly distribute of described stator (2), upper 12 magnetic poles that evenly distribute of rotor (4), the magnetic pole on described stator (2) and the rotor (4) is the stepped tooth structure.
2. a kind of switched reluctance machines according to claim 1, it is characterized in that: be connected with stator lead (11) on the described resolver stator (10), resolver stator (10) is upper to be distributed with oval installing hole (12) along even circumferential, be provided with location hole (13) between the adjacent oval installing hole (12), be connected by rotor flat key (14) between described transformer rotor (9) and the armature spindle (5).
3. a kind of switched reluctance machines according to claim 1 and 2, it is characterized in that: described rotor (4) both sides are provided with pressing plate (15), be connected by flat key (16) between described rotor (4) and the armature spindle (5), one end of described armature spindle (5) is provided with the rectangle external splines, and the other end of armature spindle (5) is provided with involute inner spline.
4. a kind of switched reluctance machines according to claim 1 and 2, it is characterized in that: the two ends of described armature spindle (5) are respectively arranged with fore bearing (17) and rear bearing (18), described fore bearing (17) is positioned between resolver (8) and the rotor (4), described rear bearing (18) is positioned between rear end cap (7) and the rotor (4), and rear bearing (18) is locking state.
5. a kind of switched reluctance machines according to claim 1 and 2, it is characterized in that: the inside of described electric machine stand (1) is provided with cooling water channel (19).
6. a kind of switched reluctance machines according to claim 1 and 2, it is characterized in that: the both sides of described electric machine stand (1) are provided with motor installing hole (20), and every side motor installing hole (20) is for being no less than 4 screwed hole.
7. a kind of switched reluctance machines according to claim 2, it is characterized in that: low pressure connector (21) is installed on the described front end housing (6), and described low pressure connector (21) is connected with stator lead (11).
8. a kind of switched reluctance machines according to claim 7, it is characterized in that: the inside of described stator winding (3) is provided with winding temperature transducer (24), be provided with cavity temperature sensor (25) between described front end housing (6) and the rear end cap (7), the control line of described winding temperature transducer (24) and cavity temperature sensor (25) is connected with low pressure connector (21).
9. a kind of switched reluctance machines according to claim 1, it is characterized in that: terminal box (22) is installed on the described rear end cap (7), be provided with high-tension terminal (23) on the terminal box (22), described high-tension terminal is provided with the installation error protection code on (23), high-tension terminal (23) respectively with stator winding (3) on the corresponding connection of control line.
10. a kind of switched reluctance machines according to claim 1 is characterized in that: be provided with breather valve (26) on the described rear end cap (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205371095U CN202798413U (en) | 2012-10-19 | 2012-10-19 | Switched reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205371095U CN202798413U (en) | 2012-10-19 | 2012-10-19 | Switched reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798413U true CN202798413U (en) | 2013-03-13 |
Family
ID=47825585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205371095U Expired - Lifetime CN202798413U (en) | 2012-10-19 | 2012-10-19 | Switched reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202798413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891577A (en) * | 2012-10-19 | 2013-01-23 | 东风汽车有限公司 | Switched reluctance motor |
| CN104600944A (en) * | 2014-06-23 | 2015-05-06 | 深圳市乐丰科技有限公司 | Permanent magnet switch reluctance machine and a stator assembly thereof |
-
2012
- 2012-10-19 CN CN2012205371095U patent/CN202798413U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891577A (en) * | 2012-10-19 | 2013-01-23 | 东风汽车有限公司 | Switched reluctance motor |
| CN102891577B (en) * | 2012-10-19 | 2015-07-15 | 东风汽车公司 | Switch reluctance motor |
| CN104600944A (en) * | 2014-06-23 | 2015-05-06 | 深圳市乐丰科技有限公司 | Permanent magnet switch reluctance machine and a stator assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG CAR CO. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130718 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130718 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Patentee after: Dongfeng Motor Corporation Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: DONGFENG MOTOR Corp. Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Motor Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |