CN204835723U - Be applied to electric automobile wireless power supply's parallelly connected NULL type power supply track of two C - Google Patents
Be applied to electric automobile wireless power supply's parallelly connected NULL type power supply track of two C Download PDFInfo
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- CN204835723U CN204835723U CN201520683582.8U CN201520683582U CN204835723U CN 204835723 U CN204835723 U CN 204835723U CN 201520683582 U CN201520683582 U CN 201520683582U CN 204835723 U CN204835723 U CN 204835723U
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Abstract
Be applied to electric automobile wireless power supply's parallelly connected NULL type power supply track of two C belongs to electric automobile wireless power transmission technical field. The problem of track width among the current electric automobile wireless power transmission device big, electromagnetic compatibility is poor, the magnetic leakage is serious, higher to road both sides electromagnetic radiation level, the degree of difficulty of being under construction is big is solved. It includes a N T type magnetic pole, M two C type magnetic poles, electric supply cable and rectangular shape magnetic core, on rectangular shape magnetic core, the two C type magnetic poles of a N T type magnetic pole and M are gone up according to presetting interval d arrange in alternate in proper order along electric supply cable length direction, and electric supply cable's one end is worn out after passing the opposite side of a reverse C type mouth that passes the individual pair C type magnetic pole opposite sides of the crisscross M who sets up in a rear flank of C type mouth and a N T type magnetic pole of the crisscross M who sets up two C type magnetic poles one sides and a N T type magnetic pole in proper order. It is mainly used on electric automobile.
Description
Technical field
The utility model belongs to electric automobile wireless power transmission technical 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 influence degree etc. many aspects.By reasonably designing the structure of power supply rail ferrite core structure and electric energy receiving system, can greatly improve above-mentioned performance.
Utility model content
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 two C parallel connections being applied to electric automobile wireless power and to be alternately arranged type power supply rail.
The two C parallel connections being applied to electric automobile wireless power are alternately arranged type power supply rail, and it comprises N number of T-shaped magnetic pole, a M double C-type magnetic pole, power cable and strip magnetic core; N and M is positive integer, and the absolute value of the difference of M and N is less than or equal to 1;
Described double C-type magnetic pole comprises the rectangular blocks that two have C type opening direction, and two rectangular blocks with C type opening direction are oppositely arranged;
On strip magnetic core, N number of T-shaped magnetic pole and M double C-type magnetic pole along on power cable length direction according to predetermined interval d successively alternately, described predetermined interval d is in the T-shaped magnetic pole and double C-type magnetic pole of arbitrary neighborhood on strip core length direction, the distance between the tail end of previous T-shaped magnetic pole and the head end of a rear double C-type magnetic pole;
Pass after one end of power cable passes back through the C type mouth of M the double C-type magnetic pole opposite side be crisscross arranged and the opposite side of N number of T-shaped magnetic pole through the C type mouth of M the double C-type magnetic pole side be crisscross arranged and a rear flank of N number of T-shaped magnetic pole successively;
Alternating current passes through power cable, the magnetic field that electric current in power cable produces is by strip core directs, make the magnetic field producing alternation between the T-shaped magnetic pole on strip magnetic core and double C-type magnetic pole, on the T-shaped magnetic pole of arbitrary neighborhood and double C-type 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, reduce the leakage field below track simultaneously, if now there is electric energy receiving element above track, induce electric current on the receiving unit by magnetic Field Coupling, 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 utility model has following advantage.
1, under identical requirement, the power supply rail with known other types is compared, and adopt two C parallel connection to be alternately arranged type power supply rail structure, the coupling coefficient between power cable and receiving coil is higher.
2, in power supply rail power cable cabling linearly type and, and without the need to coiling, greatly facilitate the making of power supply rail, installation and maintenance.
3, magnetic field exposure is minimum, and Electro Magnetic Compatibility is good;
4, two C parallel connection type power supply rail width that is alternately arranged is very narrow, has saved power supply rail greatly and has made required raw material, greatly reduced difficulty of construction simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation being applied to two C type power supply rail that is alternately arranged in parallel of electric automobile wireless power described in the utility model;
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 the relative position relation figure being applied to two C be alternately arranged type power supply rail and a kind of two-phase four coil receiving system in parallel of electric automobile wireless power described in the utility model;
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.
Embodiment
Embodiment one: present embodiment is described see Fig. 1 to 4, the two C parallel connections being applied to electric automobile wireless power described in present embodiment are alternately arranged type power supply rail, and it comprises N number of T-shaped magnetic pole 1, a M double C-type magnetic pole 2, power cable 3 and strip magnetic core 4; N and M is positive integer, and the absolute value of the difference of M and N is less than or equal to 1;
Described double C-type magnetic pole 2 comprises the rectangular blocks 2-1 that two have C type opening direction, and two rectangular blocks 2-1 with C type opening direction are oppositely arranged;
On strip magnetic core 4, N number of T-shaped magnetic pole 1 and M double C-type magnetic pole 2 along on power cable 3 length direction according to predetermined interval d successively alternately, described predetermined interval d is in the T-shaped magnetic pole 1 and double C-type magnetic pole 2 of arbitrary neighborhood on strip magnetic core 4 length direction, the distance between the tail end of previous T-shaped magnetic pole 1 and the head end of a rear double C-type magnetic pole 2;
Pass after one end of power cable 3 passes back through the C type mouth of M double C-type magnetic pole 2 opposite side be crisscross arranged and the opposite side of N number of T-shaped magnetic pole 1 through the C type mouth of M double C-type magnetic pole 2 side be crisscross arranged and a rear flank of N number of T-shaped magnetic pole 1 successively;
Alternating current is by power cable 3, the magnetic field that electric current in power cable 3 produces is guided by strip magnetic core 4, make the magnetic field producing alternation between the T-shaped magnetic pole 1 on strip magnetic core 4 and double C-type magnetic pole 2, on the T-shaped magnetic pole 1 of arbitrary neighborhood and double C-type magnetic pole 2, magnetic direction is contrary, is realized the wireless transmission of electric energy by magnetic Field Coupling.
Present embodiment, power cable 3 adopts two-way straight-line track mode, and the size of current that duplex feeding cable 3 flows through is equal, direction is contrary;
Laid successively by two C parallel connections that multistage independent switch is controlled type power supply rail that is alternately arranged, coordinate corresponding control system, the power supply rail of long distance can be formed.
Two C parallel connection is alternately arranged type power supply rail when normally working, the magnetic field that in power cable, electric current produces is guided by FERRITE CORE, for making the magnetic field producing alternation between the T-shaped magnetic pole 1 on power supply rail 4 and double C-type magnetic pole 2, on the T-shaped magnetic pole 1 of arbitrary neighborhood and double C-type magnetic pole 2, magnetic direction is contrary, the wireless transmission of electric energy is realized by magnetic Field Coupling, flux centrality above power supply rail is good, and on track, the magnetic direction in a certain moment as shown in Figure 6.
Embodiment two: present embodiment is described see Fig. 1 to Fig. 4, present embodiment is with the two C the being applied to electric automobile wireless power difference being alternately arranged type power supply rail in parallel described in embodiment one, and described N number of T-shaped magnetic pole 1, a M double C-type magnetic pole 2 and strip magnetic core 4 all adopt FERRITE CORE to realize.
Embodiment three: present embodiment is described see Fig. 1 to Fig. 4, present embodiment is with the two C the being applied to electric automobile wireless power difference being alternately arranged type power supply rail in parallel described in embodiment one or two, and the width of described strip magnetic core 4 is less than or equal to the width of the upper surface of the C type opening of rectangular blocks 2-1.
In present embodiment, the width of power supply rail 4 is very narrow, has saved power supply rail greatly and has made required raw material, greatly reduced difficulty of construction simultaneously.
Embodiment four: present embodiment is described see Fig. 1 to Fig. 4, present embodiment is with the two C the being applied to electric automobile wireless power difference being alternately arranged type power supply rail in parallel described in embodiment one or two, and the width of the upper surface of the C type opening of described rectangular blocks 2-1 is greater than the width of the lower surface of this rectangular blocks 2-1C type opening.
Present embodiment, the width of the upper surface of the C type opening of rectangular blocks 2-1 is greater than the width of the lower surface of this rectangular blocks 2-1C type opening, has saved two C parallel connection type power supply rail that is alternately arranged and has made required raw material, greatly reduced difficulty of construction simultaneously.
Embodiment five: present embodiment is described see Fig. 1 to Fig. 4, present embodiment is with the two C the being applied to electric automobile wireless power difference being alternately arranged type power supply rail in parallel described in embodiment one or two, and described strip magnetic core 4 is long and straight type track.
In present embodiment, the benefit of long and straight type track 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 six: present embodiment is described see Fig. 1 to Fig. 4, present embodiment is with the two C the being applied to electric automobile wireless power difference being alternately arranged type power supply rail in parallel described in embodiment one, and described power cable 3 adopts the mode of multiturn coiling to realize.
In present embodiment, described power cable 3 can adopt the mode of multiturn coiling to realize, and is not limited to a circle.
Embodiment seven: present embodiment is described see Fig. 1 to Fig. 4, present embodiment is with the two C the being applied to electric automobile wireless power difference being alternately arranged type power supply rail in parallel described in embodiment one, the height of described rectangular blocks 2-1 is greater than the vertical height of the C type opening of this rectangular blocks 2-1, the bottom of rectangular blocks 2-1 is concordant with bottom strip magnetic core 4, and the C type opening of rectangular blocks 2-1 is positioned on strip magnetic core 4.
In present embodiment, between the upper and lower border in the short transverse of rectangular blocks 2-1, the bottom of the C type opening of rectangular blocks 2-1.
Embodiment eight: present embodiment is described see Fig. 1 to Fig. 4, present embodiment is with the two C the being applied to electric automobile wireless power difference being alternately arranged type power supply rail in parallel described in embodiment seven, and the sidewall of described rectangular blocks 2-1 is embedded in strip magnetic core 4.
Claims (8)
1. the two C parallel connections being applied to electric automobile wireless power are alternately arranged type power supply rail, it is characterized in that, it comprises N number of T-shaped magnetic pole (1), a M double C-type magnetic pole (2), power cable (3) and strip magnetic core (4); N and M is positive integer, and the absolute value of the difference of M and N is less than or equal to 1;
Described double C-type magnetic pole (2) comprises the rectangular blocks (2-1) that two have C type opening direction, and two rectangular blocks (2-1) with C type opening direction are oppositely arranged;
On strip magnetic core (4), N number of T-shaped magnetic pole (1) and M double C-type magnetic pole (2) along on power cable (3) length direction according to predetermined interval d successively alternately, described predetermined interval d is in the T-shaped magnetic pole (1) and double C-type magnetic pole (2) of arbitrary neighborhood on strip magnetic core (4) length direction, the distance between the tail end of previous T-shaped magnetic pole (1) and the head end of a rear double C-type magnetic pole (2);
Pass one end of power cable (3) passes back through the C type mouth of M double C-type magnetic pole (2) opposite side and the opposite side of N number of T-shaped magnetic pole (1) be crisscross arranged successively through the C type mouth of M double C-type magnetic pole (2) side be crisscross arranged and a rear flank of N number of T-shaped magnetic pole (1) after;
Alternating current is by power cable (3), the magnetic field that electric current in power cable (3) produces is guided by strip magnetic core (4), make the magnetic field producing alternation between the T-shaped magnetic pole (1) on strip magnetic core (4) and double C-type magnetic pole (2), the T-shaped magnetic pole (1) of arbitrary neighborhood is contrary with the upper magnetic direction of double C-type magnetic pole (2), is realized the wireless transmission of electric energy by magnetic Field Coupling.
2. the two C parallel connections being applied to electric automobile wireless power according to claim 1 are alternately arranged type power supply rail, it is characterized in that, described N number of T-shaped magnetic pole (1), a M double C-type magnetic pole (2) and strip magnetic core (4) all adopt FERRITE CORE to realize.
3. the two C parallel connections being applied to electric automobile wireless power according to claim 1 and 2 are alternately arranged type power supply rail, it is characterized in that, the width of described strip magnetic core (4) is less than or equal to the width of the upper surface of the C type opening of rectangular blocks (2-1).
4. the two C parallel connections being applied to electric automobile wireless power according to claim 1 and 2 are alternately arranged type power supply rail, it is characterized in that, the width of the upper surface of the C type opening of described rectangular blocks (2-1) is greater than the width of the lower surface of this rectangular blocks (2-1) C type opening.
5. the two C parallel connections being applied to electric automobile wireless power according to claim 1 are alternately arranged type power supply rail, and it is characterized in that, described strip magnetic core (4) is long and straight type track.
6. the two C parallel connections being applied to electric automobile wireless power according to claim 1 are alternately arranged type power supply rail, it is characterized in that, described power cable (3) adopts the mode of multiturn coiling to realize.
7. the two C parallel connections being applied to electric automobile wireless power according to claim 1 are alternately arranged type power supply rail, it is characterized in that, the height of described rectangular blocks (2-1) is greater than the vertical height of the C type opening of this rectangular blocks (2-1), the bottom of rectangular blocks (2-1) is concordant with strip magnetic core (4) bottom, and the C type opening of rectangular blocks (2-1) is positioned on strip magnetic core (4).
8. the two C parallel connections being applied to electric automobile wireless power according to claim 7 are alternately arranged type power supply rail, and it is characterized in that, the sidewall of described rectangular blocks (2-1) is embedded in strip magnetic core (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683582.8U CN204835723U (en) | 2015-09-06 | 2015-09-06 | Be applied to electric automobile wireless power supply's parallelly connected NULL type power supply track of two C |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520683582.8U CN204835723U (en) | 2015-09-06 | 2015-09-06 | Be applied to electric automobile wireless power supply's parallelly connected NULL type power supply track of two C |
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| Publication Number | Publication Date |
|---|---|
| CN204835723U true CN204835723U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520683582.8U Withdrawn - After Issue CN204835723U (en) | 2015-09-06 | 2015-09-06 | Be applied to electric automobile wireless power supply's parallelly connected NULL type power supply track of two C |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186708A (en) * | 2015-09-06 | 2015-12-23 | 哈尔滨工业大学 | Double-C parallelly- and alternatively-arranged power supply rail applicable for wireless power supply to electromobile |
-
2015
- 2015-09-06 CN CN201520683582.8U patent/CN204835723U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186708A (en) * | 2015-09-06 | 2015-12-23 | 哈尔滨工业大学 | Double-C parallelly- and alternatively-arranged power supply rail applicable for wireless power supply to electromobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20170926 |
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| AV01 | Patent right actively abandoned |