CN103795156A - Rail transit non-contact power supply device with honeycomb-type coils and power supply method thereof - Google Patents
Rail transit non-contact power supply device with honeycomb-type coils and power supply method thereof Download PDFInfo
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- CN103795156A CN103795156A CN201410038948.6A CN201410038948A CN103795156A CN 103795156 A CN103795156 A CN 103795156A CN 201410038948 A CN201410038948 A CN 201410038948A CN 103795156 A CN103795156 A CN 103795156A
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Abstract
Disclosed are a rail transit non-contact power supply device with honeycomb-type coils and a power supply method of the rail transit non-contact power supply device. The power supply device comprises a pickup coil and a controller of a power supply station, wherein the pickup coil is arranged at the bottom of a locomotive. The controller is connected with an ADA converter, and the ADA converter is connected with a power supply coil buried below the earth surface of a track power supply section, wherein the power supply coil is formed by connecting a plurality of small power supply coil bodies in parallel, and the small power supply coil bodies are equal in size, are distributed below the earth surface of the whole track power supply section in a honeycomb mode and are in series connection with switching tubes respectively. The control ends of the switching tubes are connected with the controller. Signal receivers for detecting the pickup coil are evenly arranged on the center line of the earth surface of the track power supply section at intervals of the distance of a small power supply coil body and are connected with the controller. A signal generator is arranged on the pickup coil. The non-contact power supply device is high in power supply power and magnetic field utilization ratio, saves energy resources and obviously reduces electromagnetic radiation.
Description
Technical field
The present invention relates to a kind of track traffic contactless power supply device and method of supplying power to thereof of honeycomb fashion coil.
Background technology
The pantograph contact line along the line with track that the main supply power mode of current track vehicle is locomotive contacts, power taking from contact line.There are problems in this direct contact supply power mode: the wire directly transmission means of contact is easily subject to extraneous burn into pigment dirt and dirt impact; It is dangerous that the exposed wire that weares and teares easily produces carbon deposit, wearing and tearing, electric spark etc.; The transmission line of long distance takies a large amount of spaces and metal, will seriously restrict the wiring installation of cable network running into special geographical running environment (as mountain region, lake etc.).Adopt non-contact type electric energy transmission technology can avoid above various similar accident and simplify electric power system.
Induction type transmitting non-contact electric energy (ICPT) technology is a kind of based on electromagnetic field near field loose coupling principle of induction, comprehensive utilization Technics of Power Electronic Conversion technology, magnetic Field Coupling technology and control theory, realize power consumption equipment obtains energy from electrical network technology with the non-wire way of contact, there is the features such as power supply is flexible, safe and reliable, maintenance cost is low.
Existing track traffic contactless power supply device, its composition is: the pick-up winding of locomotive bottom, controller, the controller of power supply station is connected with ac-dc-ac frequency converter, ac-dc-ac transform device is connected with the power supply coil that below, track power-feed section earth's surface is buried underground simultaneously, and power supply coil is the long square coil forming around two long straight conductors of track power-feed section.Locomotive enters after power-feed section, and ac-dc-ac frequency converter is under the control of controller (4), and to power supply coil power supply, power supply coil produces alternating magnetic field, and pick-up winding induction produces induced electromotive force, realizes the non-contact power to locomotive.The problem of its existence is: coil distributes sparse, and the magnetic field intensity of generation is low, and output power is low; And locomotive entered in the whole time period of power-feed section induction power taking, whole long rectangle power supply coil is all in "on" position, and each moment pick-up winding can only be from the part induction power taking of a small size in long rectangle power supply coil, actual induction area is very little, magnetic field utilance is low, produces the waste of the energy and larger electromagnetic radiation.
Summary of the invention
The track traffic contactless power supply device that the object of this invention is to provide a kind of honeycomb fashion coil, the output power of this kind of contactless power supply device is high, and magnetic field utilance is high, energy savings, and obviously reduce electromagnetic radiation.
The present invention realizes the technical scheme that its goal of the invention adopts, a kind of track traffic contactless power supply device of honeycomb fashion coil, comprise the pick-up winding of locomotive bottom, the controller of power supply station, controller is connected with ac-dc-ac frequency converter, ac-dc-ac transform device is connected with the power supply coil that below, track power-feed section earth's surface is buried underground simultaneously, it is characterized in that: described power supply coil is equal and opposite in direction, the multiple little power supply coil that honeycomb fashion is booked below, track power-feed section earth's surface composes in parallel, on each little power supply coil, be all in series with switching tube, the control end of switching tube is connected with controller, on the center line of track power-feed section earth's surface, every the distance of a little power supply coil, a signal receiver that detects pick-up winding is set, signal receiver is also connected with controller, pick-up winding is provided with signal generator.
Another goal of the invention of the present invention is to provide a kind of method that uses the track traffic contactless power supply device of above-mentioned honeycomb fashion coil locomotive to be carried out to non-contact power.
The present invention realizes the technical scheme that another goal of the invention adopts, a kind of method that uses the track traffic contactless power supply device of above-mentioned honeycomb fashion coil locomotive to be carried out to non-contact power, and its specific practice is:
A, do not enter power supply station when locomotive, when on power-feed section, all signal receivers all can not detect the signal of the signal generator transmitting on pick-up winding, the switching tube of the each little power supply coil series connection of controller control turn-offs, all little power supply coil blackout on power-feed section;
B, enter power supply station when locomotive, pick-up winding enters power-feed section, when signal receiver under pick-up winding detects the signal of the signal generator transmitting on pick-up winding, the switching tube conducting of connecting on the multiple little power supply coil of controller control centered by this signal receiver, the 1.8-2.2 that the gross area of the little power supply coil of conducting is pick-up winding is doubly; The high-frequency alternating current of ac-dc-ac frequency converter output flows through the little power supply coil of conducting, produces alternating magnetic field, and pick-up winding senses alternating magnetic field, produces induced electromotive force, realizes locomotive non-contact power;
C, advancing along with locomotive and pick-up winding, detect that the signal receiver that signal generator transmits also constantly substitutes forward, the switching tube conducting of the multiple little power supply coil series connection centered by the signal receiver after controller control substitutes, and turn-off remaining switching tube, the 1.8-2.2 that the gross area that makes the little power supply coil of conducting is pick-up winding doubly, and pick-up winding be positioned at all the time conducting little power supply coil directly over;
D, in the time that the pick-up winding of locomotive rolls power-feed section away from, when all signal receivers all can not detect the signal of the signal generator transmitting on pick-up winding, the switching tube of connecting on the each little power supply coil of controller control turn-offs, all little power supply coil blackout on power-feed section.
Compared with prior art, the invention has the beneficial effects as follows:
One, the coil of honeycomb arrangement has effectively improved the distribution density of coil, has improved magnetic field intensity, makes its output power high.
Two, locomotive entered in the whole time period of power-feed section induction power taking, only had all the time the corresponding little power supply coil electricity work under pick-up winding, and the magnetic field that the little power supply coil of switching on produces is effectively utilized, and magnetic field utilance is high; And little power supply coil that can not picked other coil-induced position is in off-position, has reduced electromagnetic radiation, energy savings.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the embodiment of the present invention.
Fig. 2 be embodiment of the present invention pick-up winding not little power supply coil, signal receiver, pick-up winding and the signal generator in the time of power-feed section overlook distribution schematic diagram.
Fig. 3 is the distribution schematic diagram of little power supply coil, signal receiver, pick-up winding and the signal generator of embodiment of the present invention pick-up winding while entering power-feed section, and the little power supply coil that in Fig. 3, thick line is drawn represents the little power supply coil of the work of switching on.
Embodiment
Embodiment
Fig. 1-3 illustrate, a kind of embodiment of the present invention, a kind of track traffic contactless power supply device of honeycomb fashion coil, comprise the pick-up winding 3 of locomotive bottom, the controller 4 of power supply station, controller 4 is connected with ac-dc-ac frequency converter 1, ac-dc-ac transform device 1 is connected with the power supply coil that below, track power-feed section earth's surface is buried underground simultaneously, it is characterized in that: described power supply coil is equal and opposite in direction, the multiple little power supply coil 2a that honeycomb fashion is booked below, track power-feed section earth's surface composes in parallel, on each little power supply coil 2a, be all in series with switching tube 2b, the control end of switching tube 2b is connected with controller 4, on the center line of track power-feed section earth's surface, every the distance of a little power supply coil 2a, a signal receiver 5 that detects pick-up winding 3 is set, signal receiver 5 is also connected with controller 4, pick-up winding 3 is provided with signal generator 6.
Use the track traffic contactless power supply device of this routine honeycomb fashion coil locomotive to be carried out to the method for non-contact power, its specific practice is:
A, do not enter power supply station when locomotive, when on power-feed section, all signal receivers 5 all can not detect the signal that the signal generator 6 on pick-up winding 3 launches, the switching tube 2b that controller 4 is controlled each little power supply coil 2a series connection turn-offs, all little power supply coil 2a power-off on power-feed section, as shown in Figure 2.
B, enter power supply station when locomotive, pick-up winding 3 enters power-feed section, when signal receiver 5 under pick-up winding 3 detects the signal that the signal generator 6 on pick-up winding 3 launches, controller 4 is controlled the switching tube 2b conducting of the upper series connection of multiple little power supply coil 2a centered by this signal receiver 5, and the gross area of the little power supply coil 2a of conducting is 1.8-2.2 times of pick-up winding 3; The high-frequency alternating current that ac-dc-ac frequency converter 1 is exported flows through the little power supply coil 2a of conducting, produces alternating magnetic field, and pick-up winding 3 senses alternating magnetic field, produces induced electromotive force, realizes to locomotive non-contact power, as shown in Figure 3.
C, advancing along with locomotive and pick-up winding 3, detect that the signal receiver 5 that signal generator 6 transmits also constantly substitutes forward, the switching tube 2b conducting of the multiple little power supply coil 2a series connection centered by the signal receiver 5 that controller 4 is controlled after substituting, and turn-off remaining switching tube 2b, the gross area that makes the little power supply coil 2a of conducting is 1.8-2.2 times of pick-up winding 3, and pick-up winding 3 be positioned at all the time conducting little power supply coil 2a directly over, as shown in Figure 3.
D, in the time that the pick-up winding 3 of locomotive rolls power-feed section away from, when all signal receivers 5 all can not detect the signal that the signal generator 6 on pick-up winding 3 launches, the switching tube 2b that controller 4 is controlled the upper series connection of each little power supply coil 2a turn-offs, all little power supply coil 2a power-off on power-feed section, as shown in Figure 2.
Claims (2)
1. the track traffic contactless power supply device of a honeycomb fashion coil, comprise the pick-up winding (3) of locomotive bottom, the controller (4) of power supply station, controller (4) is connected with ac-dc-ac frequency converter (1), ac-dc-ac transform device (1) is connected with the power supply coil that below, track power-feed section earth's surface is buried underground simultaneously, it is characterized in that: described power supply coil is equal and opposite in direction, the multiple little power supply coil (2a) that honeycomb fashion is booked below, track power-feed section earth's surface composes in parallel, on each little power supply coil (2a), be all in series with switching tube (2b), the control end of switching tube (2b) is connected with controller (4), on the center line of track power-feed section earth's surface, every the distance of a little power supply coil (2a), a signal receiver (5) that detects pick-up winding (3) is set, signal receiver (5) is also connected with controller (4), pick-up winding (3) is provided with signal generator (6).
2. right to use requires the track traffic contactless power supply device of the honeycomb fashion coil described in 1 locomotive to be carried out to a method for non-contact power, and its specific practice is:
A, do not enter power supply station when locomotive, when on power-feed section, all signal receivers (5) all can not detect the signal of signal generator (6) transmitting on pick-up winding (3), the switching tube (2b) that controller (4) is controlled each little power supply coil (2a) series connection turn-offs, all little power supply coil (2a) power-off on power-feed section;
B, enter power supply station when locomotive, pick-up winding (3) enters power-feed section, when signal receiver (5) under pick-up winding (3) detects the signal of signal generator (6) transmitting on pick-up winding (3), controller (4) is controlled switching tube (2b) conducting of the upper series connection of multiple little power supply coil (2a) centered by this signal receiver (5), and the gross area of the little power supply coil (2a) of conducting is 1.8-2.2 times of pick-up winding (3); The high-frequency alternating current of ac-dc-ac frequency converter (1) output flows through the little power supply coil (2a) of conducting, produces alternating magnetic field, and pick-up winding (3) senses alternating magnetic field, produces induced electromotive force, realizes locomotive non-contact power;
C, advancing along with locomotive and pick-up winding (3), detect that the signal receiver (5) that signal generator (6) transmits also constantly substitutes forward, controller (4) is controlled switching tube (2b) conducting of multiple little power supply coil (2a) series connection centered by the signal receiver (5) after substituting, and turn-off remaining switching tube (2b), the gross area that makes the little power supply coil (2a) of conducting be pick-up winding (3) 1.8-2.2 doubly, and pick-up winding (3) be positioned at all the time conducting little power supply coil (2a) directly over;
D, in the time that the pick-up winding (3) of locomotive rolls power-feed section away from, when all signal receivers (5) all can not detect the signal of signal generator (6) transmitting on pick-up winding (3), the switching tube (2b) that controller (4) is controlled the upper series connection of each little power supply coil (2a) turn-offs, all little power supply coil (2a) power-off on power-feed section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410038948.6A CN103795156B (en) | 2014-01-26 | 2014-01-26 | A kind of track traffic contactless power supply device of honeycomb fashion coil and method of supplying power to thereof |
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| CN201410038948.6A CN103795156B (en) | 2014-01-26 | 2014-01-26 | A kind of track traffic contactless power supply device of honeycomb fashion coil and method of supplying power to thereof |
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| CN103795156B CN103795156B (en) | 2016-03-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764955A (en) * | 2015-03-24 | 2015-07-08 | 西南交通大学 | Testing device for track car non-contact electric energy transmission system and testing method of testing device |
| CN105871075A (en) * | 2016-03-31 | 2016-08-17 | 西南交通大学 | Segmental non-contact power supply transmitting device for rail car and control method for segmental non-contact power supply transmitting device |
| CN113991890A (en) * | 2021-10-25 | 2022-01-28 | 郑州铁路职业技术学院 | Non-contact power supply method for rail transit |
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| WO2009054221A1 (en) * | 2007-10-25 | 2009-04-30 | Toyota Jidosha Kabushiki Kaisha | Electric vehicle and power feeding apparatus for the vehicle |
| CN102856964A (en) * | 2012-10-10 | 2013-01-02 | 中国矿业大学 | Three-phase wireless charging system and charging method for electric automobile |
| CN103477533A (en) * | 2011-03-18 | 2013-12-25 | 矢崎总业株式会社 | Power supply system |
| CN203761144U (en) * | 2014-01-26 | 2014-08-06 | 西南交通大学 | Rail transit non-contact power supplying device with honeycomb type coil |
-
2014
- 2014-01-26 CN CN201410038948.6A patent/CN103795156B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009054221A1 (en) * | 2007-10-25 | 2009-04-30 | Toyota Jidosha Kabushiki Kaisha | Electric vehicle and power feeding apparatus for the vehicle |
| CN103477533A (en) * | 2011-03-18 | 2013-12-25 | 矢崎总业株式会社 | Power supply system |
| CN102856964A (en) * | 2012-10-10 | 2013-01-02 | 中国矿业大学 | Three-phase wireless charging system and charging method for electric automobile |
| CN203761144U (en) * | 2014-01-26 | 2014-08-06 | 西南交通大学 | Rail transit non-contact power supplying device with honeycomb type coil |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764955A (en) * | 2015-03-24 | 2015-07-08 | 西南交通大学 | Testing device for track car non-contact electric energy transmission system and testing method of testing device |
| CN104764955B (en) * | 2015-03-24 | 2017-07-25 | 西南交通大学 | The experimental rig and its test method of railcar non-contact type electric energy Transmission system |
| CN105871075A (en) * | 2016-03-31 | 2016-08-17 | 西南交通大学 | Segmental non-contact power supply transmitting device for rail car and control method for segmental non-contact power supply transmitting device |
| CN113991890A (en) * | 2021-10-25 | 2022-01-28 | 郑州铁路职业技术学院 | Non-contact power supply method for rail transit |
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| CN103795156B (en) | 2016-03-02 |
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