CN2689569Y - Inductor generator of light bus - Google Patents
Inductor generator of light bus Download PDFInfo
- Publication number
- CN2689569Y CN2689569Y CN 200420004258 CN200420004258U CN2689569Y CN 2689569 Y CN2689569 Y CN 2689569Y CN 200420004258 CN200420004258 CN 200420004258 CN 200420004258 U CN200420004258 U CN 200420004258U CN 2689569 Y CN2689569 Y CN 2689569Y
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- winding
- motor
- passenger car
- new type
- inductor generator
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Abstract
The utility model discloses an inductor generator of a light bus comprising a generator base (1), a rear end cover (2), a winding (4), a rotor (5), a stator (6) and a front end cap (7), characterized in that the utility model also comprises a temperature control device (9), and the temperature control device (9) is connected with the return circuit of an excitation winding in series. The winding (4) is arranged on the stator (6), and the rotor (5) is only provided with an iron core and isn't provided with the winding. The utility model has the advantages that the reliability of motor operation is improved, the driving safety can be guaranteed, and the utility model has light weight.
Description
Technical field
The utility model belongs to generator, particularly relates to lightweight new type passenger car inductor generator.
Background technology
Existing motor is a KFT-5 type inductor generator, is designed in phase earlier 1970s, has progressively replaced direct current machine in the use afterwards.This motor weight is heavier, is 170 kilograms, is lifted on the suspension bracket that adds weldering on the passenger car bogie, and each passenger vehicle is equipped with 1 motor.Part passenger vehicle speed-raising in 9 years, major part speed-raising passenger vehicle is the air-conditioned train of full row centrally connected power supply, has only used this motor on luggage truck, mail van, the passenger car bogie suspension bracket crack fault performance of therefore loading this motor is also not obvious; Non-air-conditioned passenger train was also brought up to 120km/h with the speed of a motor vehicle in 9 years, speed-raising trailing bogie vibration frequency is accelerated, it is complicated that vibration mode also more is tending towards, according to incompletely statistics, only 9 years Beijing Railway Administration have been found 8 in bogie suspension bracket crackle, the major accident that motor comes off from bogie, serious harm traffic safety have taken place in Beijing west section especially.
Existing motor is except that weight is heavier, and also have following subject matter: (1) efficient is low.Electric machine iron core is grown (220mm), and iron loss is big, and invalid heating unshakable in one's determination causes the motor overall efficiency low.(2) radiating effect is poor.The motor degree of protection is IP54, is totally-enclosed machine.The motor windings insulation is B-class insulation, and the winding temperature resistant capability is poor, easily scaling loss.(3) no overtemperature protection.After barrier or other external factor cause winding overheated for some reason, can only lean on winding self insulation to keep the motor operation, so promptly have a strong impact on the normal useful life of motor, can cause the diffusion of motor windings fault simultaneously again.
The utility model content
The utility model technical issues that need to address are: a kind of lightweight new type passenger car inductor generator is provided, and it can improve the motor reliability of operation, guarantee driving safety, and have lightweight characteristics.
Technical solution of the present utility model is: lightweight new type passenger car inductor generator, comprise support, rear end cap, winding, rotor, stator and front end housing, it is characterized in that: further comprising attemperating unit, described attemperating unit is series at the excitation winding loop, described winding is installed on the stator, and described rotor only has iron-core lamination and do not have winding.
The utility model compared with prior art has following advantage: the utility model has fully been assimilated the structure of home and abroad advanced person's high-speed alternator when design, innovated in conjunction with the application requirements and the characteristics of locomotive, and new motor weight is 110kg.Primary features is as follows:
(1) range of speeds is big.This motor is that 850r/min～3700r/min all can normally move at rotating speed, by appropriate design rotor core structure, adopt bigger rotor air gap, select import high-speed electric expreess locomotive bearing for use, eliminates the harmful effect of high rotating speed to motor.
(2) versatility is good.This motor has good versatility, during design of electrical motor, all adopts the railway systems standard component as terminal box, guide, belt pulley etc.Its profile installation dimension, height of center all design identically with former KFT-5 generator.
(3) in light weight.Calculate through accurate intensity, select for use the quality steel plate welding frame to substitute cast frame, adopt high-strength aluminum alloy casting end cap, and rationally improve motor electromagnetic parameter, it is long to shorten motor iron, makes motor weight only be 2/3 of original motor.
(4) reliability guarantees.The motor type of cooling is self cooling for sealing, and welding frame has better radiating effect than cast frame; Rotor only has iron core and does not have the coil setting-in, and core tooth part has stronger action of blast when motor rotates, and the interior thermal field of motor is tended to balance, and is convenient to the inside and outside exchange heat of motor; Motor windings is selected H level polyimide enameled wire QY-2 for use; Excitation winding series connection temperature detect switch (TDS), energy automatic disconnection energized circuit makes motor break away from load behavior when winding temperature is too high, effectively protects winding to be without prejudice.
(5) with the control system coupling.The exciting voltage design is below 40V, and exciting current designs below 8A, is convenient to excitation control, can finish motor and replace under original control system.
(6) magnetic Circuit Design is reasonable.The parallel teeth structure is all adopted in the rotor punching, the magnetic circuit smoothness.
(7) bigger air gap and higher air gap flux density make motor have harder output characteristic, have improved the stability of whole electric power system.
Description of drawings
Fig. 1 is the longitudinal sectional view of the utility model lightweight new type passenger car with inductor generator.
Fig. 2 is the excitation winding series connection attemperating unit elementary diagram of the utility model lightweight new type passenger car with inductor generator.
Fig. 3 is the utility model lightweight new type passenger car inductor generator rear end cap front view.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is the utility model lightweight new type passenger car inductor generator front end housing front view.
Fig. 6 is the utility model lightweight new type passenger car inductor generator rotor front view.
Fig. 7 is the utility model lightweight new type passenger car inductor generator stator front view.
Specific embodiments
Following structure accompanying drawing is described embodiment of the present utility model in detail.
Among Fig. 1: 1 is support, and 2 is rear end cap, and 3 is belt pulley, and 4 is winding, and 5 are rotor core, and 6 are stator core, and 7 is front end housing, and 8 is terminal box.
Motor stator number of magnetic poles shown in Figure 2 is 2 utmost points, L0, L1, L2--excitation binding post, and 10 is that excitation winding 9 is attemperating unit.
The field lead wire normal position is at L1, L2 binding post among Fig. 2, and malfunction is L0, L2 binding post.Principle: attemperating unit 9 is series at the excitation winding loop, and attemperating unit 9 is set at a certain fixedly operating temperature, and this motor is the H class F insulation, is set at 125 ± 5 ℃, and motor generally moves, and its winding temperature is lower than 110 ℃; To apply dirt overweight when main thermal components of motor such as, support too high as ambient temperature or end cap for a certain reason, and when radiating effect reduction etc. caused winding temperature rise too high, attemperating unit moved automatically, disconnected the motor excitation loop, the unlikely damage of protection winding.
The L0 binding post is only for clearly judging when causing the motor cisco unity malfunction because of the attemperating unit fault emergent the use.
(1) measure of taking for weight reduction:
1, improve electromagnetic load, it is long suitably to shorten iron.Motor windings 4 classes of insulation are brought up to the H level by the F level, strengthen the winding heat resistance; Select high-quality low-loss silicon steel plate simultaneously for use, reduce iron loss.
2, adopt the welded support 1 of quality steel plate, suitably attenuate support cylindrical shell thickness.
3, adopt fine aluminum alloy casting rear end cap 2 and front end housing 7.
(2) for solving the measure that heat dissipation problem is taked:
1, quality steel plate welding frame 1 has more superior heat dispersion than cast frame, and the forward and backward end cap of fine aluminum alloy casting has more superior heat dispersion than the cast iron end cap.
2, motor is in light weight, support 1 reduced thickness, and heat dispersion is better.
3, the radial gusset of the inner increase of the forward and backward end cap of aluminium alloy casting has promptly strengthened end cap self intensity, has enlarged end cap part heating surface area again, is beneficial to motor inside and outside exchange heat.
(3) motor reliability design:
1, at motor excitation windings in series attemperating unit, prevent winding because of the diffusion of external cause fault and fault, improve winding useful life.
2, motor windings 4 classes of insulation are brought up to the H level by the F level, select H level polyimide enameled wire for use, strengthen the winding heat resistance.
3, motor windings all install with stator on, rotor portion only has iron-core lamination and does not have a winding, the parallel teeth structure is adopted in rotor 5 punchings and stator 6 punchings, and is reliable, and rotor 5 and stator 6 are selected high-quality low-loss silicon steel plate for use.
Because of generation KFT-5 type inductor generator design year early, continual renovation progress along with new material, new technology, new construction, new technology, by redesign: as replacing cast frame to reduce support thickness with welding frame to motor, it is long to adopt magnetic property silicon steel sheet good, that magnetic loss is little to reduce iron, adopt the cast aluminium end cap, select higher measures such as electromagnetic load to alleviate motor weight; Adopt the higher class of insulation simultaneously, improve running reliability of motor, can be implemented in the purpose that reduces motor weight when satisfying power reguirements significantly fully.
Claims (6)
1, lightweight new type passenger car inductor generator, comprise support (1), rear end cap (2), winding (4), rotor (5), stator (6) and front end housing (7), it is characterized in that: further comprising attemperating unit (9), described attemperating unit (9) is series at the excitation winding loop, described winding (4) is installed on the stator (6), and described rotor (5) only has iron-core lamination and do not have winding.
2, lightweight new type passenger car inductor generator according to claim 1 is characterized in that: described support (1) is the quality steel plate Welding Structure, and described rear end cap (2) and front end housing (7) are the fine aluminum alloy.
3, lightweight new type passenger car inductor generator according to claim 1 is characterized in that: the parallel teeth structure is adopted in (5) punching of described rotor and stator (6) punching.
4, lightweight new type passenger car inductor generator according to claim 1, it is characterized in that: described winding (4) is selected H level polyimide enameled wire for use.
5, lightweight new type passenger car inductor generator according to claim 1 is characterized in that: there is radial plate described rear end cap (2) and front end housing (7) inside.
6, lightweight new type passenger car inductor generator according to claim 1 is characterized in that: described rotor (5) and stator (6) are selected high-quality low-loss silicon steel plate for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004258 CN2689569Y (en) | 2004-02-24 | 2004-02-24 | Inductor generator of light bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004258 CN2689569Y (en) | 2004-02-24 | 2004-02-24 | Inductor generator of light bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2689569Y true CN2689569Y (en) | 2005-03-30 |
Family
ID=34667793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420004258 Expired - Fee Related CN2689569Y (en) | 2004-02-24 | 2004-02-24 | Inductor generator of light bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2689569Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617699A (en) * | 2014-12-23 | 2015-05-13 | 南昌康富电机技术有限公司 | 200 kW lightweight generator |
| CN106059227A (en) * | 2016-08-12 | 2016-10-26 | 中车永济电机有限公司 | Lightweight high-power asynchronous traction motor used for alternating current transmission guide rail tramcar |
-
2004
- 2004-02-24 CN CN 200420004258 patent/CN2689569Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617699A (en) * | 2014-12-23 | 2015-05-13 | 南昌康富电机技术有限公司 | 200 kW lightweight generator |
| CN106059227A (en) * | 2016-08-12 | 2016-10-26 | 中车永济电机有限公司 | Lightweight high-power asynchronous traction motor used for alternating current transmission guide rail tramcar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050330 Termination date: 20100224 |