CN105186710A - Single-C stagger arrangement type power supply track applied to wireless power supply of electric cars - Google Patents
Single-C stagger arrangement type power supply track applied to wireless power supply of electric cars Download PDFInfo
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- CN105186710A CN105186710A CN201510560586.1A CN201510560586A CN105186710A CN 105186710 A CN105186710 A CN 105186710A CN 201510560586 A CN201510560586 A CN 201510560586A CN 105186710 A CN105186710 A CN 105186710A
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Abstract
A single-C stagger arrangement type power supply track applied to wireless power supply of electric cars is disclosed, belonging to the technical field of wireless electricity energy transmission of electric cars. The single-C stagger arrangement type power supply track solves the problems of high track width, bad electromagnetic compatibility, severe magnetic flux leakage, higher electromagnetic radiation level on two sides of roads and high difficulty in construction in the existing wireless electricity energy transmission apparatuses for the electric cars. The magnetic poles are rectangular block bodies with C-shaped openings; the multiple magnetic poles are arranged on the power supply track in sequence at the preset interval in the length direction of power supply cables; the C-shaped openings of adjacent two magnetic poles are opposite in directions; the power supply cables adopt the two-path straight line routing mode; a current loop is formed by one path of power supply cables in the magnetic poles and one path of power supply cables below the power supply track; the current passing through the two paths of power supply cables is equal in current magnitude and opposite in directions; alternating current passes through the power supply cables to generate alternating magnetic fields on the magnetic poles; the magnetic fields on the adjacent magnetic poles are opposite in directions; and the wireless electricity energy transmission is realized through magnetic field coupling. The single-C stagger arrangement type power supply track is applied to the electric cars.
Description
Technical field
The invention belongs to electric automobile wireless power transmission field.
Background technology
There are two large bottleneck problems in current Development of Electric Vehicles, one is the battery problems on car, from recent technical standpoint, there is the various problems such as volume, weight, price, material, safety, charging rate, life-span, in addition the production process of battery belongs to the process of high pollution, consumes resources, destruction biological environment, and these features bring difficulty to the industrialization of electric automobile; Another is ground charging infrastructure issues, on the one hand, because the charging interval is long, need a large amount of chargings or change electric facility, very large difficulty is brought to urban construction, these facilities need to take a large amount of floor area, and are unfavorable for unified management, and operation maintenance cost is high, on the other hand, electric automobile needs stopping for charging frequently, brings great inconvenience to vehicle driver, and short the causing of continual mileage cannot long-distance travel.And electric automobile wireless power technology just solves this two large bottleneck problem.
The dynamic and static wireless power supply system of electric automobile can make electric automobile no matter in parking lot, parking stall, etc. red light and on highway in driving process, all can power in real time or be battery electric energy supplement.This technology not only can the continual mileage of significantly even unconfined raising vehicle, and the quantity of vehicle mounted dynamic battery also can significantly reduce, and becomes the part of original consumption, and ground will no longer include charging station, electrical changing station.All power supply facilitiess are all at below ground.And driver does not need to consider charging problems again, electric energy problem solves automatically by underground supply network.And in realization in electric automobile wireless power, wireless power transmission structure plays extremely important effect to the performance of system and construction cost, these performances comprise power supplying efficiency, maximum transmitted ability, airspace, sidesway ability, durability degree, electromagnetic radiation intensity, to many aspects such as influence degree.
Summary of the invention
The present invention is that the track width in order to solve in existing electric automobile wireless electric energy transmission device is large, Electro Magnetic Compatibility is poor, leakage field is serious, higher to road both sides electromagnetic radiation level, the problem that difficulty of construction is large, the invention provides a kind of single C being applied to electric automobile wireless power and to be staggered type power supply rail.
The single C being applied to electric automobile wireless power is staggered type power supply rail, and it comprises strip magnetic core, power cable and multiple magnetic pole;
Described magnetic pole is the rectangular blocks with C type opening direction;
On strip magnetic core, multiple magnetic pole is arranged in order along on power cable length direction according to predetermined interval d, and the C type opening direction of described two adjacent magnetic poles is contrary,
Described predetermined interval d is along in two magnetic poles adjacent on strip core length direction, the distance between the tail end of previous magnetic pole and the head end of a rear magnetic pole,
Power cable adopts two-way straight-line track mode, and the road power cable being positioned at magnetic pole inside forms current circuit with the road power cable be positioned at below strip magnetic core, and the size of current that duplex feeding cable flows through is equal, direction is contrary;
Alternating current, by power cable, magnetic pole produces the magnetic field of alternation, and on adjacent magnetic pole, magnetic direction is contrary, is realized the wireless transmission of electric energy by magnetic Field Coupling.
Operation principle is:
The electric current of alternation produces the magnetic field of alternation by power cable, under the constraint of FERRITE CORE, flux is limited in above track as much as possible, if now there is electric energy receiving element above track, under magnetic Field Coupling effect, just can induce electric current on the receiving unit, specifically can be realized the efficient wireless transmission of electric energy see Fig. 5 to Fig. 8 by rational parameter configuration.
Compared with prior art, the beneficial effect that the present invention brings is:
1, single C type power supply rail width that is staggered is very narrow, has saved power supply rail greatly and has made required raw material, greatly reduced difficulty of construction simultaneously.
2, power cable cabling linearly type in power supply rail, and without the need to coiling, greatly facilitate the making of power supply rail, installation and maintenance.
3, magnetic field is let out little, and Electro Magnetic Compatibility is good.
Accompanying drawing explanation
Fig. 1 is that the single C being applied to electric automobile wireless power of the present invention is staggered the three-dimensional perspective of type power supply rail;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the end view of Fig. 1;
Fig. 5 is that the single C being applied to electric automobile wireless power of the present invention is staggered the relative position relation figure of type power supply rail and a kind of two-phase four coil receiving system;
Fig. 6 is the front view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5;
Fig. 8 is the end view of Fig. 5;
Fig. 9 and Figure 12 is the structural representation of the magnetic pole described in embodiment seven;
Figure 10 and Figure 11 is the structural representation of the magnetic pole described in embodiment eight.
Embodiment
Embodiment one: present embodiment is described see Fig. 1 to Fig. 4, the single C being applied to electric automobile wireless power described in present embodiment is staggered type power supply rail, and it comprises strip magnetic core 3, power cable 2 and multiple magnetic pole 1;
Described magnetic pole 1 is for having the rectangular blocks of C type opening direction;
On strip magnetic core 3, multiple magnetic pole 1 is arranged in order along on power cable 2 length direction according to predetermined interval d, and the C type opening direction of described two adjacent magnetic poles 1 is contrary,
Described predetermined interval d is along in two magnetic poles 1 adjacent on strip magnetic core 3 length direction, the distance between the tail end of previous magnetic pole 1 and the head end of a rear magnetic pole 1,
Power cable 2 adopts two-way straight-line track mode, and the road power cable 2 being positioned at magnetic pole 1 inside forms current circuit with the road power cable 2 be positioned at below strip magnetic core 3, and the size of current that duplex feeding cable 2 flows through is equal, direction is contrary;
Alternating current, by power cable 2, magnetic pole 1 produces the magnetic field of alternation, and on adjacent magnetic pole 1, magnetic direction is contrary, is realized the wireless transmission of electric energy by magnetic Field Coupling.
Present embodiment, is laid successively by the single C controlled by the multistage independent switch type power supply rail that is staggered, coordinates corresponding control system, can form the power supply rail of long distance.
Duplex feeding cable 2 forms current circuit, and during work, in any time duplex feeding cable 2, size of current is equal, and direction one goes one time.
Described magnetic pole 1 can adopt FERRITE CORE to realize.
Embodiment two: present embodiment and embodiment are with the be staggered difference of type power supply rail of the described single C being applied to electric automobile wireless power, and the width of the upper surface of the C type opening of described magnetic pole 1 is more than or equal to the width of strip magnetic core 3.
In strip magnetic core 3 present embodiment, the width of strip magnetic core 3 is very narrow, has saved power supply rail greatly and has made required raw material, greatly reduced difficulty of construction simultaneously.
Embodiment three: the be staggered difference of type power supply rail of present embodiment and the single C being applied to electric automobile wireless power described in embodiment one is, the width of the upper surface of the C type opening of described magnetic pole 1 is greater than the width of the lower surface of this magnetic pole 1C type opening.
In present embodiment, the width of described magnetic pole 1 upper surface is greater than the width of this magnetic pole 1 lower surface, has saved single C type power supply rail that is staggered and has made required raw material, greatly reduced difficulty of construction simultaneously.
Embodiment four: the be staggered difference of type power supply rail of present embodiment and the single C being applied to electric automobile wireless power described in embodiment one is, described strip magnetic core 3 is rectangular structure.
In present embodiment, the benefit of long and straight type is be convenient to make on the one hand, and on the other hand, in practical situations both, long and straight type track meets most application demands.
Embodiment five: the be staggered difference of type power supply rail of present embodiment and the single C being applied to electric automobile wireless power described in embodiment one is, described strip magnetic core 3 adopts FERRITE CORE to realize.
In present embodiment, single C of the present invention is staggered type power supply rail when normally working, the magnetic field that in power cable 2, electric current produces is guided by FERRITE CORE, make the magnetic direction on strip magnetic core 3 on adjacent pole contrary, on track, the magnetic direction in a certain moment is shown in Figure 6.
Embodiment six: the be staggered difference of type power supply rail of present embodiment and the single C being applied to electric automobile wireless power described in embodiment one is, described power cable 2 adopts the mode of multiturn coiling to realize.
In present embodiment, described power cable 2 can adopt the mode of multiturn coiling to realize, and is not limited to a circle.
Embodiment seven: present embodiment is described see Fig. 9 and Figure 12, the be staggered difference of type power supply rail of present embodiment and the single C being applied to electric automobile wireless power described in embodiment one is, the height of described magnetic pole 1 is more than or equal to the vertical height of the C type opening of this magnetic pole 1, the bottom of magnetic pole 1 is concordant with bottom strip magnetic core 3, and the C type opening of magnetic pole 1 is positioned on strip magnetic core 3.
Embodiment eight: present embodiment is described see Figure 10 and Figure 11, the be staggered difference of type power supply rail of present embodiment and the single C being applied to electric automobile wireless power described in embodiment seven is, the sidewall of described magnetic pole 1 is embedded in strip magnetic core 3.
Claims (8)
1. the single C being applied to electric automobile wireless power is staggered type power supply rail, and it is characterized in that, it comprises strip magnetic core (3), power cable (2) and multiple magnetic pole (1);
Described magnetic pole (1) is for having the rectangular blocks of C type opening direction;
On strip magnetic core (3), multiple magnetic pole (1) is arranged in order along on power cable (2) length direction according to predetermined interval d, and the C type opening direction of described two adjacent magnetic poles (1) is contrary,
Described predetermined interval d is along in two magnetic poles (1) adjacent on strip magnetic core (3) length direction, the distance between the tail end of previous magnetic pole (1) and the head end of a rear magnetic pole (1),
Power cable (2) adopts two-way straight-line track mode, be positioned at the inner road power cable (2) of magnetic pole (1) and form current circuit with the road power cable (2) being positioned at strip magnetic core (3) below, the size of current that duplex feeding cable (2) flows through is equal, direction is contrary;
Alternating current is by power cable (2), and in the upper magnetic field producing alternation of magnetic pole (1), the upper magnetic direction of adjacent magnetic pole (1) is contrary, is realized the wireless transmission of electric energy by magnetic Field Coupling.
2. the single C being applied to electric automobile wireless power according to claim 1 is staggered type power supply rail, it is characterized in that, the width of the upper surface of the C type opening of described magnetic pole (1) is more than or equal to the width of strip magnetic core (3).
3. the single C being applied to electric automobile wireless power according to claim 1 is staggered type power supply rail, it is characterized in that, the width of the upper surface of the C type opening of described magnetic pole (1) is greater than the width of the lower surface of this magnetic pole (1) C type opening.
4. the single C being applied to electric automobile wireless power according to claim 1 is staggered type power supply rail, and it is characterized in that, described strip magnetic core (3) is rectangular structure.
5. the single C being applied to electric automobile wireless power according to claim 1 is staggered type power supply rail, it is characterized in that, described strip magnetic core (3) adopts FERRITE CORE to realize.
6. the single C being applied to electric automobile wireless power according to claim 1 is staggered type power supply rail, it is characterized in that, described power cable (2) adopts the mode of multiturn coiling to realize.
7. the single C being applied to electric automobile wireless power according to claim 1 is staggered type power supply rail, it is characterized in that, the height of described magnetic pole (1) is more than or equal to the vertical height of the C type opening of this magnetic pole (1), the bottom of magnetic pole (1) is concordant with strip magnetic core (3) bottom, and the C type opening of magnetic pole (1) is positioned on strip magnetic core (3).
8. the single C being applied to electric automobile wireless power according to claim 7 is staggered type power supply rail, and it is characterized in that, the sidewall of described magnetic pole (1) is embedded in strip magnetic core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560586.1A CN105186710B (en) | 2015-09-06 | 2015-09-06 | Single C applied to electric vehicle wireless power is staggered type power supply rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510560586.1A CN105186710B (en) | 2015-09-06 | 2015-09-06 | Single C applied to electric vehicle wireless power is staggered type power supply rail |
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| CN105186710A true CN105186710A (en) | 2015-12-23 |
| CN105186710B CN105186710B (en) | 2018-06-22 |
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| CN201510560586.1A Active CN105186710B (en) | 2015-09-06 | 2015-09-06 | Single C applied to electric vehicle wireless power is staggered type power supply rail |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015036280A1 (en) * | 2013-09-13 | 2015-03-19 | Paul Vahle Gmbh & Co. Kg | Insulation monitoring system for series-compensated windings of a contactless energy transmitting system |
| CN204858758U (en) * | 2015-09-06 | 2015-12-09 | 哈尔滨工业大学 | Be applied to single C staggered arrangement type power supply track of electric automobile wireless power supply |
-
2015
- 2015-09-06 CN CN201510560586.1A patent/CN105186710B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015036280A1 (en) * | 2013-09-13 | 2015-03-19 | Paul Vahle Gmbh & Co. Kg | Insulation monitoring system for series-compensated windings of a contactless energy transmitting system |
| CN204858758U (en) * | 2015-09-06 | 2015-12-09 | 哈尔滨工业大学 | Be applied to single C staggered arrangement type power supply track of electric automobile wireless power supply |
Non-Patent Citations (1)
| Title |
|---|
| SU Y. CHOI，BEOM W. GU，SEOG Y. JEONG: "Advances in Wireless Power Transfer Systems for Roadway-Powered Electric Vehicles", 《IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS》 * |
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| CN105186710B (en) | 2018-06-22 |
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