CN105449874B - High voltage occasion application remote-wireless electric energy transmission coil configuration method - Google Patents
High voltage occasion application remote-wireless electric energy transmission coil configuration method Download PDFInfo
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- CN105449874B CN105449874B CN201610039513.2A CN201610039513A CN105449874B CN 105449874 B CN105449874 B CN 105449874B CN 201610039513 A CN201610039513 A CN 201610039513A CN 105449874 B CN105449874 B CN 105449874B
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Abstract
The present invention relates to a kind of high voltage occasion application remote-wireless electric energy transmission coil configuration method, transmitting coil and receiving coil are separately positioned on high potential and ground potential, high voltage electric field distribution is formed between the transmitting coil and receiving coil, repeating coil is arranged between the transmitting coil and receiving coil；The repeating coil is thin type curve form, and its curve form is consistent with the equipotential EDS maps of the high voltage electric field.The present invention is simple in construction, it is easy to accomplish, the efficiency and can that can improve wireless power transmission ensures the insulation of high-pressure side and low-pressure side.
Description
Technical field
The present invention relates to remote-wireless electric energy transmission field, particularly a kind of high voltage occasion application remote-wireless electricity
Can transmission coil configuration method.
Background technology
High voltage transmission line is the circuit of the artery of power system, especially 220kV and above.It is therefore necessary to
To high voltage transmission line real-time guard, on-line monitoring is exactly a wherein essential link.High voltage transmission line is typically distributed across
Wilderness field, electric energy is provided for monitoring device without suitable low-tension supply.Mainly use solar panel or small-sized at present
Wind-driven generator is powered, and still, they are limited by natural conditions unavoidably, and cost is high, Maintenance Difficulty.To solve monitoring
Power issue, electric energy long-distance transmissions can be realized by the way of the transmission of remote-wireless electric energy.It is in wireless power transmission
Meet the good isolation of high-pressure side transmitting coil and low-pressure side receiving coil, transmission range needs to meet that " Hydraulic and Hydro-Power Engineering is high
It is press-fitted electric installation design specification (SL 311-2004) ".Because the insulation distance of high voltage occasion application is distant, generally require
The efficiency of transmission of electric energy is improved by one or more repeating coils, and the introducing of repeating coil can bring high-voltage isulation to ask
Topic.
The transmission of remote-wireless electric energy is that the electric energy of emitting side is converted into high-frequency alternating current, is applied on transmitting coil,
This alternating current produces alternating magnetic field, and alternating magnetic field is coupled to receiving coil, and by resonance circuit and impedance matching, by electricity
Receiving side can be transferred to.Specific workflow is as shown in Figure of description Fig. 1.Resonant network and magnetic coupling arrangement are radio energies
The core content of Transmission system.Conventional magnetic coupling arrangement such as series connection-series resonance and series-parallel resonant.Series connection-series connection is humorous
Vibrating network is as shown in Figure of description Fig. 2.There are following three kinds in the Electromagnetic Coupling System structure that high pressure occasion is commonly used.
1. liang coupling coil scheme：
Electromagnetic Coupling System (transmitting and receiving coil) is most common scheme using two air core coils, and loop construction has collection
Chinese style loop coil, planar spiral winding, square coil etc..This architecture quality is light, and design is simple, but volume is big.Using
In the schematic diagram that high voltage transmission line on-line monitoring equipment is powered as shown in Figure of description Fig. 3.Receiving coil and transmitting coil point
Be not fixed on the both ends of insulator chain by insulating bar, the medium between two coils is air, the arrangement of coil face, its it is relative away from
From the length for being exactly insulator chain.
2. two coil versions of tape insulation rod：
For the problem of air core coil efficiency of transmission is low, winding volume is big, there is the scheme that scholar proposes tape insulation rod, such as say
Shown in bright book accompanying drawing Fig. 4.Transmitting coil and receiving coil are respectively wound around on a FERRITE CORE.Middle weak magnetic conductivity
Insulating bar is connected.Because insulating bar carries weak magnetic, play a part of poly- magnetic, the coefficient of coup can be effectively improved.For indoor
Occasion, insulating bar relative atmospheric have more preferable insulating properties, can effectively reduce transmission range.The reduction of other leakage magnetic flux also may be used
To reduce the phenomenon of electromagnetic interference.
3. multi-coil scheme：
Realize that electric energy is wirelessly transferred the miniaturization with coil over long distances, be necessary when multi-coil is used in combination.Special
Using placing multiple coils on support insulator in sharp CN104901437A.Structure is as shown in Figure of description Fig. 5.Branch
The top and the bottom of post insulator are end caps, and its material can be the metals such as aluminium alloy, for connecting, fixed insulation.Insulator
Material is epoxy resin or electroceramics.Plain conductor is around on the insulator.Coil can be only upper and lower two dispatch coils；Also may be used
To add 1 or several repeating coils in two dispatch coils.
If using scheme one, it was found from standard SL 311-2004, the safety net distance of 220kV electrical body to grounding body
Not less than 1.8m, to realize the transmission of electric energy must have coil large-sized enough.But this is not actual, one is coil
Excessive installation is inconvenient, and it is more inconvenient to safeguard；Second, excessive coil can many times destroy original insulation；Third, can
It is limited to install the space of coil.
Scheme two, which compares, is suitably applied in indoor scenarios.But most of high-tension apparatuses are placed on open air, such as high break
Road device, high voltage transmission line.In this case, insulating bar can receive the influence such as dust, rainwater, icing, and pollution flashover, wet easily occurs
Dodge.So, it is desirable to the distance of insulating bar cannot be less than the total length of power transmission line or high voltage equipment insulation.Therefore, effect is also simultaneously
It is undesirable.
Scheme three is transformed on the basis of insulator.But the profile of insulator, size are that have strict country's mark
Quasi- regulation.Wound around coil has not only broken up the profile of insulator on the insulator；And original Electric Field Distribution is directly influenced,
It is possible to insulator can be made to fail.Realize that the program needs the insulator of particular design.
The content of the invention
In view of this, the purpose of the present invention is to propose to a kind of high voltage occasion application remote-wireless electric energy transmission coil to match somebody with somebody
Method is put, it is simple in construction, it is easy to accomplish, the efficiency and can that can improve wireless power transmission ensures the exhausted of high-pressure side and low-pressure side
Edge.
The present invention is realized using following scheme：A kind of high voltage occasion application remote-wireless electric energy transmission coil configuration side
Method, transmitting coil and receiving coil are specifically separately positioned on high potential and ground potential, the transmitting coil and receiving coil it
Between formed high voltage electric field distribution, repeating coil is arranged between the transmitting coil and receiving coil；The repeating coil is
Thin type curve form, its curve form are consistent with the equipotential EDS maps of the high voltage electric field.That is coil windings are along equipotential plane
Arrangement.Because repeating coil conductor forms the equipotential body of a potential fluctuation, as its shape is consistent with equipotential plane, then relay
The introducing of coil would not change the distribution of original electric field, will not form the tip of local electric field strength at the edge of coil-conductor
Effect, also just do not change and influence the insulating properties of original insulation system.
Further, the repeating coil has more than or equal to 1, each repeating coil be arranged in respectively diverse location etc.
On potential surface.So, using multilevel relay, equipotential line of multiple repeating coils along position is arranged.Magnetic field energy
It is coupled to receiving coil by multiple coils, the efficiency of transmission can be effectively improved, and can ensures that insulation is unaffected.Fig. 6 is
The two dimensional cross-section schematic diagram of coil configuration, what it is positioned at head and the tail both ends is receiving coil and transmitting coil, middle 3 repeating coil edges
The equipotential line arrangement for the electric field that transmitting coil and receiving coil are formed.It may be noted that the number of repeating coil needs basis
Transmission range and the size of coil consider；And loop construction is also not limited to circle, square, hexagon etc..
Further, the transmitting coil is arranged on the bottom of insulator chain.
Further, the receiving coil is arranged on the top of insulator chain.
Compared with prior art, the present invention has following beneficial effect.
1. coil arrangement of the present invention arranges along original equipotential line, in the absence of because introducing caused by repeating coil absolutely
Edge problem.
2. the present invention is in long range wireless power transmission, using the multiple efficiency for relaying, effectively improving transmission.
Brief description of the drawings
Fig. 1 is that remote-wireless electric energy transmits workflow schematic diagram.
Fig. 2 is series connection-series resonant network schematic diagram in background of invention.
Fig. 3 is two coupling coil scheme schematic diagrames in background of invention.
Fig. 4 is two coil version schematic diagrames of tape insulation rod in background of invention.
Fig. 5 is multi-coil scheme schematic diagram in background of invention.
Fig. 6 is the two dimensional cross-section schematic diagram of technical solution of the present invention coil configuration.
Fig. 7 illustrates for 220kV high voltage transmission line monitoring device radio energy power coils of embodiment of the present invention arrangement
Figure.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As shown in fig. 6, present embodiments provide a kind of high voltage occasion application remote-wireless electric energy transmission coil configuration
Method, transmitting coil and receiving coil are specifically separately positioned on high potential and ground potential, the transmitting coil and receiving coil
Between formed high voltage electric field distribution, repeating coil is arranged between the transmitting coil and receiving coil；The repeating coil
It is consistent with the equipotential EDS maps of the high voltage electric field for thin type curve form, its curve form.That is coil windings are along equipotential
Face arranges.Because repeating coil conductor forms the equipotential body of a potential fluctuation, as its shape is consistent with equipotential plane, then in
Introducing after coil would not change the distribution of original electric field, will not form the point of local electric field strength at the edge of coil-conductor
End effect, also just do not change and influence the insulating properties of original insulation system.
In the present embodiment, the repeating coil has more than or equal to 1, and each repeating coil is arranged in diverse location respectively
Equipotential plane on.So, using multilevel relay, equipotential line of multiple repeating coils along position is arranged.Magnetic field
Energy is coupled to receiving coil by multiple coils, can effectively improve the efficiency of transmission, and and can ensures that insulation is unaffected.Figure
6 be the two dimensional cross-section schematic diagram of coil configuration, and what it is positioned at head and the tail both ends is receiving coil and transmitting coil, middle 3 junction lines
The equipotential line for the electric field that circle is formed along transmitting coil and receiving coil arranges.It may be noted that the number of repeating coil needs
Considered according to transmission range and the size of coil；And loop construction is also not limited to circle, square, hexagon etc.
Can.
In the present embodiment, as shown in fig. 7, by taking 220kV high voltage transmission line as an example, transmitting coil is arranged on insulator chain
Bottom, the reference voltage on coil is 220kV；Reference voltage of the receiving coil on the top of insulator chain, coil
It is 0V.Coil uses planar structure.The electricity such as electric field when first by calculating or emulating to obtain only transmitting and receiving coil
Bit line is distributed, and then according to the quantity of required each repeating coil and position, the shape of sake shape repeating coil is designed
Into consistent with the shape of position equipotential line.It is fixed on also by insulating bar on insulator chain.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, it should all belong to the covering scope of the present invention.
Claims (3)
- A kind of 1. high voltage occasion application remote-wireless electric energy transmission coil configuration method, it is characterised in that：By transmitting coil High potential and ground potential are separately positioned on receiving coil, high voltage electric field point is formed between the transmitting coil and receiving coil Cloth, repeating coil is arranged between the transmitting coil and receiving coil；The repeating coil is thin type curve form, and it is bent Face shape is consistent with the equipotential EDS maps of the high voltage electric field；The repeating coil has more than or equal to 1, and each repeating coil is arranged on the equipotential plane of diverse location respectively；Transmitting coil, receiving coil and repeating coil are fixed on insulator chain by the way that insulating bar is external respectively.
- 2. a kind of high voltage occasion application remote-wireless electric energy transmission coil configuration method according to claim 1, its It is characterised by：The transmitting coil is arranged on the bottom of insulator chain.
- 3. a kind of high voltage occasion application remote-wireless electric energy transmission coil configuration method according to claim 1, its It is characterised by：The receiving coil is arranged on the top of insulator chain.
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| CN201610039513.2A CN105449874B (en) | 2016-01-21 | 2016-01-21 | High voltage occasion application remote-wireless electric energy transmission coil configuration method |
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| CN105449874B true CN105449874B (en) | 2018-03-20 |
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| CN106409598B (en) * | 2016-09-22 | 2018-04-13 | 福州大学 | Contact switch electric appliance wirelessly takes can operating mechanism |
| EP3386072A1 (en) | 2017-04-07 | 2018-10-10 | ABB Schweiz AG | A system for wireless power transfer between low and high electrical potential, and a high voltage circuit breaker |
| CN106952697A (en) * | 2017-05-19 | 2017-07-14 | 广东电网有限责任公司电力科学研究院 | A kind of Novel combined insulator and preparation method thereof |
| CN108631450A (en) * | 2018-03-26 | 2018-10-09 | 王朋 | A kind of high efficiency radio energy transmission system based on resonance insulator chain new construction |
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| CN103532244A (en) * | 2012-07-02 | 2014-01-22 | 张大堃 | Equipotential power supply and signal transmission system of high-voltage power transmission line on-line monitoring device |
| CN103997127A (en) * | 2014-06-10 | 2014-08-20 | 山东建筑大学 | Energy integrated management system and method for monitoring equipment of high-voltage power transmission line |
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| JP2012065385A (en) * | 2010-09-14 | 2012-03-29 | Panasonic Corp | Charger and charging method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532244A (en) * | 2012-07-02 | 2014-01-22 | 张大堃 | Equipotential power supply and signal transmission system of high-voltage power transmission line on-line monitoring device |
| CN103997127A (en) * | 2014-06-10 | 2014-08-20 | 山东建筑大学 | Energy integrated management system and method for monitoring equipment of high-voltage power transmission line |
Non-Patent Citations (1)
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| "基于中继线圈的WPT技术及其在高压设备中的应用研究";黄智慧等;《电工技术学报》;20150630;第30卷(第11期);第45-52页 * |
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