CN203761144U - Rail transit non-contact power supplying device with honeycomb type coil - Google Patents
Rail transit non-contact power supplying device with honeycomb type coil Download PDFInfo
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- CN203761144U CN203761144U CN201420050738.4U CN201420050738U CN203761144U CN 203761144 U CN203761144 U CN 203761144U CN 201420050738 U CN201420050738 U CN 201420050738U CN 203761144 U CN203761144 U CN 203761144U
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- power supply
- coil
- power supplying
- controller
- winding
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Abstract
A rail transit non-contact power supplying device with a honeycomb type coil is provided. The power supplying device comprises a pickup coil at the bottom of a locomotive, and a controller of a power supply station, wherein the controller is connected with an AC-DC-AC frequency converter which is connected with a power supplying coil which is buried under a rail power supplying segment ground surface. A plurality of small power supplying coils which are equal in size and are fully arranged under the rail power supplying segment ground surface in a honeycomb manner are connected in parallel with one another so as to form the power supplying coil; each small power supplying coil is connected in series with a switch tube of which the control end is connected with the controller; the central line of the rail power supplying segment ground surface is provided with signal receivers for detecting the pickup coil, wherein the signal receivers are separated from each other by a distance of one small power supplying coil and are connected with the controller; and the pickup coil is provided with a signal generator. The rail transit non-contact power supplying device with the honeycomb type coil is advantageous in high, high magnetic-field utilization rate, energy-saving property, and effective reduction of electromagnetic radiation.
Description
Technical field
The utility model relates to a kind of track traffic contactless power supply device 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 and from electrical network, obtain the technology of energy 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, the controller of power supply station, controller are 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 around two long straight conductors formations 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.
Utility model content
The purpose of this utility model is to provide a kind of track traffic contactless power supply device of honeycomb fashion coil, and 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 utility model is realized the technical scheme that its goal of the invention adopts, a kind of track traffic contactless power supply device of honeycomb fashion coil, the pick-up winding that comprises 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, a plurality of 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, distance every a little power supply coil on the center line of track power-feed section earth's surface arranges a signal receiver that detects pick-up winding, and signal receiver is also connected with controller, pick-up winding is provided with signal generator.
Operation principle of the present utility model and process are:
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 that controller is controlled each little power supply coil series connection 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 the signal receiver under pick-up winding detects the signal of the signal generator transmitting on pick-up winding, controller is controlled the switching tube conducting of connecting on a plurality of little power supply coil centered by this signal receiver, and the 1.8-2.2 that the gross area of the little power supply coil of conducting is pick-up winding 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, the also constantly replacement forward of signal receiver that signal generator transmits detected, controller is controlled the switching tube conducting of a plurality of little power supply coil series connection centered by the signal receiver after substituting, 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, when 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, controller is controlled the switching tube of connecting on each little power supply coil and is turn-offed, all little power supply coil blackout on power-feed section.
Compared with prior art, the beneficial effects of the utility model are:
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 utility model will be further described.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the utility model embodiment.
Fig. 2 be the utility model embodiment pick-up winding not little power supply coil, signal receiver, pick-up winding and the signal generator when 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 the utility model embodiment 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 utility model, a kind of track traffic contactless power supply device of honeycomb fashion coil, the pick-up winding 3 that comprises 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, a plurality of 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, distance every a little power supply coil 2a on the center line of track power-feed section earth's surface arranges a signal receiver 5 that detects pick-up winding 3, and 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 of signal generator 6 transmittings 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, as shown in Figure 2.
B, enter power supply station when locomotive, pick-up winding 3 enters power-feed section, when the signal receiver 5 under pick-up winding 3 detects the signal of signal generator 6 transmittings on pick-up winding 3, controller 4 is controlled the switching tube 2b conducting of the upper series connection of a plurality of 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 to locomotive non-contact power, as shown in Figure 3.
C, advancing along with locomotive and pick-up winding 3, the also constantly replacement forward of signal receiver 5 that signal generator 6 transmits detected, the switching tube 2b conducting of a plurality of 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, when 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 transmittings 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, as shown in Figure 2.
Signal generator 6 of the present utility model and signal receiver 5 can be various existing signal generators and signal receiver, as infrared signal generator and infrared signal receiver, and ultrasonic signal generator and infrared signal receiver.
Claims (1)
1. the track traffic contactless power supply device of a honeycomb fashion coil, the pick-up winding (3) that comprises locomotive bottom, the controller of power supply station (4), 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, a plurality of 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), distance every a little power supply coil (2a) on the center line of track power-feed section earth's surface arranges a signal receiver (5) that detects pick-up winding (3), and signal receiver (5) is also connected with controller (4), pick-up winding (3) is provided with signal generator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050738.4U CN203761144U (en) | 2014-01-26 | 2014-01-26 | Rail transit non-contact power supplying device with honeycomb type coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050738.4U CN203761144U (en) | 2014-01-26 | 2014-01-26 | Rail transit non-contact power supplying device with honeycomb type coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761144U true CN203761144U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050738.4U Expired - Fee Related CN203761144U (en) | 2014-01-26 | 2014-01-26 | Rail transit non-contact power supplying device with honeycomb type coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761144U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795156A (en) * | 2014-01-26 | 2014-05-14 | 西南交通大学 | Rail transit non-contact power supply device with honeycomb-type coils and power supply method thereof |
| CN104362714A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Cellular wireless charging pole for electric automobile |
| CN108054837A (en) * | 2017-12-21 | 2018-05-18 | 天津工业大学 | Guide tracked wireless power coupler is moved for what monitoring camera used |
-
2014
- 2014-01-26 CN CN201420050738.4U patent/CN203761144U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795156A (en) * | 2014-01-26 | 2014-05-14 | 西南交通大学 | Rail transit non-contact power supply device with honeycomb-type coils and power supply method thereof |
| CN103795156B (en) * | 2014-01-26 | 2016-03-02 | 西南交通大学 | A kind of track traffic contactless power supply device of honeycomb fashion coil and method of supplying power to thereof |
| CN104362714A (en) * | 2014-12-05 | 2015-02-18 | 国家电网公司 | Cellular wireless charging pole for electric automobile |
| CN104362714B (en) * | 2014-12-05 | 2017-06-06 | 国家电网公司 | A kind of electric automobile cellular radio charging pile |
| CN108054837A (en) * | 2017-12-21 | 2018-05-18 | 天津工业大学 | Guide tracked wireless power coupler is moved for what monitoring camera used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |