CN203511644U - Rail transit propulsion system adopting permanent magnet switch flux linear motor - Google Patents
Rail transit propulsion system adopting permanent magnet switch flux linear motor Download PDFInfo
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- CN203511644U CN203511644U CN201320571162.1U CN201320571162U CN203511644U CN 203511644 U CN203511644 U CN 203511644U CN 201320571162 U CN201320571162 U CN 201320571162U CN 203511644 U CN203511644 U CN 203511644U
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- permanent magnet
- magnet switch
- propulsion system
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- line motor
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Abstract
The utility model discloses a rail transit propulsion system adopting a permanent magnet switch flux linear motor. The rail transit propulsion system comprises a compartment, a vehicle bottom, a hub and a base which is fixed between parallel rails, wherein a permanent magnet switch flux linear motor is arranged between the vehicle bottom and the base; the permanent magnet switch flux linear motor comprises a rotor fixed on the vehicle bottom and a stator fixed on the base; the rotor comprises a plurality of U-shaped iron cores; a permanent magnet is arranged between two adjacent U-shaped iron cores, and forms an armature tooth together with magnetic poles of the iron cores on two sides; an armature winding is wound on the armature tooth. The rail transit propulsion system has the advantages of being simple in structure, high in reliability, small in noise, and high in gradeability and skid resistance, the earth volume of tunnel construction is low due to small train height, the defect of low energy efficiency index of a traditional asynchronous motor rail transit system can be effectively solved, and the manufacturing cost of the stator can be greatly reduced in long-stroke application.
Description
Technical field
The utility model belongs to field of track traffic, relates in particular to a kind of track traffic propulsion system that adopts permanent magnet switch magnetic linkage straight line motor.
Background technology
Track traffic is an important channel that solves urban transport problems, applies in recent years at many cities broad development.Than rotating machine driving system, adopt that the propulsion system of linear electric motors has that system is simple, reliability is high, noise is little, hill climbing ability with anti-skid ability by force, the series of advantages such as train height is low thereby earth volume tunnel construction is little.Thereby linear motor drive system has obtained increasing application in track traffic propelling field.
Linear motor drive system all adopts linear induction motor structure at present, and energy efficiency indexes is poor; Particularly in the practical application of track traffic propulsion system, often adopt larger motor gas-gap, cause linear induction motor propulsion system efficiency and power factor lower.Meanwhile, though traditional permanent-magnetism linear motor has desirable energy efficiency indexes, but when being applied to the field of track traffic of ultralong-stroke, at stator side dress permanent magnet or winding, construction and maintenance cost are extremely expensive.
Summary of the invention
For addressing the above problem, the utility model provides a kind of ultralong-stroke occasion and lower-cost track traffic propulsion system of being applied to.
Adopt a track traffic propulsion system for permanent magnet switch magnetic linkage straight line motor, at the bottom of comprising compartment, car, wheel hub and be fixed on the base between parallel orbit, at the bottom of described car and between base, be provided with permanent magnet switch magnetic linkage straight line motor.
Described permanent magnet switch magnetic linkage straight line motor comprises and is fixed on the mover at the bottom of car and is fixed on the stator on base; Described mover comprises several U-iron hearts side by side, between adjacent two U-iron hearts, is provided with permanent magnet, and the magnetic pole unshakable in one's determination of described permanent magnet and its both sides forms armature tooth, on described armature tooth, is wound with armature loop.
Described permanent magnet adopts rare-earth permanent magnet or ferrite permanent magnet.
The magnetizing direction of two adjacent permanent magnets is contrary.
Described armature loop adopts concentrates winding.
Described stator consists of the iron core of salient-pole structure.
Described stator adopts solid core, silicon steel plate laminated core or soft-magnetic composite material unshakable in one's determination.
When permanent magnet switch magnetic linkage straight line motor is worked, permanent magnet makes there is Distribution of Magnetic Field in the air gap between mover and stator; When the armature loop in mover passes into suitable electric current, under the effect of air-gap field, mover meeting orbiting, to drive whole car body operation.Regulate the electric current in armature loop, can regulate the thrust of permanent magnet switch magnetic linkage straight line motor and then the speed of adjusting train, also can change the service direction of train.
The beneficial effects of the utility model are:
(1) the utlity model has simple in structure, reliability is high, noise is little, hill climbing ability and anti-skid that ability is strong, train height is low thereby the advantage such as earth volume tunnel construction is little;
(2) the utility model can effectively solve the low shortcoming of conventional asynchronous motor Rail Transit System energy efficiency indexes;
(3) the utility model can effectively solve the high shortcoming of traditional permanent-magnetism linear motor track traffic propulsion system cost; Particularly number is in the stator length of kilometer and even hundred kilometers, no matter tradition permanent-magnetism linear motor is moving coil or moving magnet structure, the manufacturing cost of its stator is very huge, and the utility model can significantly reduce the manufacturing cost of stator under the application scenario of long stroke.
Accompanying drawing explanation
Fig. 1 is the track traffic propulsion system structure schematic diagram of employing permanent magnet switch magnetic linkage straight line motor of the present utility model.
Fig. 2 is the structural representation of permanent magnet switch magnetic linkage straight line motor part.
In Fig. 1 and Fig. 2,1. compartment, 2. at the bottom of car, 3. wheel hub, 4. parallel orbit, 5. permanent magnet switch magnetic linkage straight line motor, 6. mover, 7. stator, 8. base, 601.U shape is unshakable in one's determination, 602. permanent magnets, 603. armature loops, 604. armature tooths.
The specific embodiment
As shown in Figure 1, a kind of track traffic propulsion system that adopts permanent magnet switch magnetic linkage straight line motor, comprise at the bottom of compartment 1, car 2, wheel hub 3 and the parallel orbit 4 that fixes on the ground, be fixed on the base 8 between parallel orbit 4, and be arranged at the bottom of car 2 and base 8 between permanent magnet switch magnetic linkage straight line motor 5.The mover 6 of permanent magnet switch magnetic linkage straight line motor 5 is fixed at the bottom of car on 2, and the stator 7 of permanent magnet switch magnetic linkage straight line motor is fixed on base 8.
As shown in Figure 2, the mover 6 of permanent magnet switch magnetic linkage straight line motor 5 comprises the U-iron heart 601, between adjacent two U-iron hearts, is provided with permanent magnet 602, and the magnetic pole unshakable in one's determination of permanent magnet and its both sides forms armature tooth 604, is wound with armature loop 603 on armature tooth.
Permanent magnet 602 can adopt the formations such as rare earth permanent-magnetic material, ferrite permanent-magnet materials; The magnetizing direction of two adjacent permanent magnets is contrary.The stator 7 of permanent magnet switch magnetic linkage straight line motor only consists of the iron core of salient-pole structure, can adopt solid core, silicon steel plate laminated core or soft-magnetic composite material (SMC) iron core etc.
In Fig. 2, mover 6 consists of 7 U-iron hearts 601 and six permanent magnets 602, and armature loop is for concentrating winding.In the effective length of mover 6, the stator number of teeth is 10, and wherein, outermost half magnetic pole unshakable in one's determination of the U-iron heart 601 of mover 6 both sides is not included in effective length.
Mode of operation of the present utility model is as follows:
Permanent magnet 602 in the mover 6 of permanent magnet switch magnetic linkage straight line motor 5 makes there is Distribution of Magnetic Field in the air gap between mover 6 and stator 7; While passing into suitable electric current in the armature loop 603 in the mover 6 of permanent magnet switch magnetic linkage straight line motor 5, under the effect of air-gap field, mover 6 meeting orbiting, to drive whole car body operation.Regulate the electric current in armature loop 603, can regulate the thrust of permanent magnet switch magnetic linkage straight line motor and then the speed of adjusting train, also can change the service direction of train.
The foregoing is only better implementation example of the present utility model, be not limited to the utility model, all within the utility model spirit and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. adopt a track traffic propulsion system for permanent magnet switch magnetic linkage straight line motor, at the bottom of comprising compartment, car, wheel hub and be fixed on the base between parallel orbit, it is characterized in that, at the bottom of described car and between base, be provided with permanent magnet switch magnetic linkage straight line motor; Described permanent magnet switch magnetic linkage straight line motor comprises and is fixed on the mover at the bottom of car and is fixed on the stator on base; Described mover comprises several U-iron hearts side by side, between adjacent two U-iron hearts, is provided with permanent magnet, and the magnetic pole unshakable in one's determination of described permanent magnet and its both sides forms armature tooth, on described armature tooth, is wound with armature loop.
2. the track traffic propulsion system of employing permanent magnet switch magnetic linkage straight line motor as claimed in claim 1, is characterized in that, described permanent magnet adopts rare-earth permanent magnet or ferrite permanent magnet.
3. the track traffic propulsion system of employing permanent magnet switch magnetic linkage straight line motor as claimed in claim 1, is characterized in that, the magnetizing direction of two adjacent permanent magnets is contrary.
4. the track traffic propulsion system of employing permanent magnet switch magnetic linkage straight line motor as claimed in claim 1, is characterized in that, described armature loop adopts concentrates winding.
5. the track traffic propulsion system of employing permanent magnet switch magnetic linkage straight line motor as claimed in claim 1, is characterized in that, described stator consists of the iron core of salient-pole structure.
6. the track traffic propulsion system of employing permanent magnet switch magnetic linkage straight line motor as claimed in claim 1, is characterized in that, described stator adopts solid core, silicon steel plate laminated core or soft-magnetic composite material unshakable in one's determination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571162.1U CN203511644U (en) | 2013-09-13 | 2013-09-13 | Rail transit propulsion system adopting permanent magnet switch flux linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571162.1U CN203511644U (en) | 2013-09-13 | 2013-09-13 | Rail transit propulsion system adopting permanent magnet switch flux linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203511644U true CN203511644U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320571162.1U Expired - Lifetime CN203511644U (en) | 2013-09-13 | 2013-09-13 | Rail transit propulsion system adopting permanent magnet switch flux linear motor |
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| CN (1) | CN203511644U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523461A (en) * | 2015-06-11 | 2016-04-27 | 菱电电梯有限公司 | Bearing type horizontal moving elevator |
| CN105896877A (en) * | 2016-04-21 | 2016-08-24 | 成都茂源科技有限公司 | Linear current vortex brake apparatus and linear carrying apparatus |
| CN106972730A (en) * | 2017-06-02 | 2017-07-21 | 南京航空航天大学金城学院 | One kind distribution field excitation linear permanent-magnet type flux switching motor |
| CN108081959A (en) * | 2017-08-27 | 2018-05-29 | 马宏 | Wheel shaft backpack supplies the installation of electric installation |
| CN108099925A (en) * | 2017-08-27 | 2018-06-01 | 马宏 | Wheel shaft backpack supplies the application of electric installation |
| CN108116272A (en) * | 2017-08-27 | 2018-06-05 | 马宏 | The application of hanging inductive power supply device under vehicle |
| CN108116236A (en) * | 2017-08-27 | 2018-06-05 | 马宏 | Wheel shaft backpack supplies electric installation |
| CN108146251A (en) * | 2017-08-27 | 2018-06-12 | 马宏 | Hanging inductive power supply device under vehicle |
| CN110190727A (en) * | 2019-04-26 | 2019-08-30 | 南京航空航天大学 | A kind of electric car system based on the driving of Linear Synchronous reluctance motor |
| CN110435677A (en) * | 2019-08-12 | 2019-11-12 | 中车资阳机车有限公司 | A kind of new type train transportation system |
| EP3719962A1 (en) * | 2019-04-01 | 2020-10-07 | LIM-Tech Limited | Electromotive machine |
-
2013
- 2013-09-13 CN CN201320571162.1U patent/CN203511644U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523461A (en) * | 2015-06-11 | 2016-04-27 | 菱电电梯有限公司 | Bearing type horizontal moving elevator |
| CN105896877A (en) * | 2016-04-21 | 2016-08-24 | 成都茂源科技有限公司 | Linear current vortex brake apparatus and linear carrying apparatus |
| CN105896877B (en) * | 2016-04-21 | 2018-08-31 | 成都茂源科技有限公司 | A kind of straight line brake rigging by electrical erratic corrent and straight line carrying device |
| CN106972730A (en) * | 2017-06-02 | 2017-07-21 | 南京航空航天大学金城学院 | One kind distribution field excitation linear permanent-magnet type flux switching motor |
| CN108116236A (en) * | 2017-08-27 | 2018-06-05 | 马宏 | Wheel shaft backpack supplies electric installation |
| CN108116272A (en) * | 2017-08-27 | 2018-06-05 | 马宏 | The application of hanging inductive power supply device under vehicle |
| CN108099925A (en) * | 2017-08-27 | 2018-06-01 | 马宏 | Wheel shaft backpack supplies the application of electric installation |
| CN108146251A (en) * | 2017-08-27 | 2018-06-12 | 马宏 | Hanging inductive power supply device under vehicle |
| CN108081959A (en) * | 2017-08-27 | 2018-05-29 | 马宏 | Wheel shaft backpack supplies the installation of electric installation |
| EP3719962A1 (en) * | 2019-04-01 | 2020-10-07 | LIM-Tech Limited | Electromotive machine |
| US11476731B2 (en) | 2019-04-01 | 2022-10-18 | LIM-Tech Limited | Electromotive machine |
| CN110190727A (en) * | 2019-04-26 | 2019-08-30 | 南京航空航天大学 | A kind of electric car system based on the driving of Linear Synchronous reluctance motor |
| CN110435677A (en) * | 2019-08-12 | 2019-11-12 | 中车资阳机车有限公司 | A kind of new type train transportation system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |