CN108390470A - A kind of contactless power supply system electromagnetic coupling device - Google Patents
A kind of contactless power supply system electromagnetic coupling device Download PDFInfo
- Publication number
- CN108390470A CN108390470A CN201810020446.9A CN201810020446A CN108390470A CN 108390470 A CN108390470 A CN 108390470A CN 201810020446 A CN201810020446 A CN 201810020446A CN 108390470 A CN108390470 A CN 108390470A
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- China
- Prior art keywords
- magnetic core
- tablet
- coil
- receiving
- tablet magnetic
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of contactless power supply system electromagnetic coupling devices, including trigger mechanism and receiving mechanism；Trigger mechanism includes transmitting coil, the first tablet magnetic core and the first bar shaped magnetic core.Receiving mechanism includes receiving coil, the second tablet magnetic core and the second bar shaped magnetic core.Trigger mechanism is laid on road surface along the direction of travel of rail traffic, and there are one reception structures or multiple, is fixed on the vehicle bottom of rail traffic.The beneficial effects of the present invention are primary side, secondary coil use " DD types " structure, reduce the magnetic field radiation of electromagnetic coupling mechanisms.Using the design scheme more received, it can significantly increase the output power of system, and greatly strengthen the reliability of inductive electric energy transmission system.Multiple receiving mechanism structures are identical, are easy to modularization batch and grow, reduce system cost.The coupling mutual inductance all same of each receiving mechanism and trigger mechanism, without coupling mutual inductance between receiving mechanism.
Description
Technical field
The present invention relates to the high-power contactless power supply system technical field of rail traffic, especially a kind of non-contact power system
System electromagnetic coupling device.
Background technology
Induction electric energy transmission technology has been applied in the power supply of the powerful devices such as rail transit train, electric vehicle.With biography
System is compared by the electric energy transmission technology of conducting wire direct physical contact, and there is no contacts in the induction electric energy transmission technology course of work
Spark, electric leakage, the problems such as being influenced by sleet dust, Supply Security and reliability are effectively increased, before having wide application
Scape.
The structure and the course of work of inductive electric energy transmission system be：Industrial-frequency alternating current by rectifier rectification at direct current,
Direct current is downconverted into the alternating current of high frequency in high-frequency inverter effect；The alternating current of high frequency excites high frequency magnetic on primary coil
；Go out same frequency alternating voltage with primary coil and the secondary energy pick-up winding couples high frequency magnetic field induction that is not directly contacted with, passes through
The electrical energy changer for crossing secondary circuit is transformed into the required electrical energy form supply load of load, realizes the contactless biography of energy
It is defeated.
In recent years, the application for inductive electric energy transmission system in rail traffic is widely studied and pays close attention to.Feeling
It answers in electric energy transmission system, to system effectiveness, the key parameters such as output power have important shadow for the design of electromagnetic coupling mechanisms
It rings.Currently, railway traffic vehicle power can obtain hundreds of kilowatts even several megawatts, in such powerful, electromagnetism
Coupling mechanism inevitably radiation field, this be to the normal use of personal safety and vehicle arrangement it is extremely harmful, sternly
It can also cause a serious accident in the case of weight.Then it is unfavorable for producing in batches in addition, electromagnetic coupling mechanisms are excessively complicated, equipment can be increased
Manufacturing cost.Therefore, design a kind of simple in structure, magnetic field radiation is small, convenient for modularized production electromagnetic coupling mechanisms just
It is particularly important.
Invention content
The object of the present invention is to provide a kind of contactless power supply system electromagnetic coupling mechanisms devices.
Realize that the technical solution of the object of the invention is as follows：
A kind of contactless power supply system electromagnetic coupling device, including trigger mechanism and receiving mechanism；The trigger mechanism packet
Include transmitting coil, the first tablet magnetic core and the first bar shaped magnetic core；Transmitting coil is by two oppositely wound rectangular emanation coil strings
Join, is placed side by side on the first tablet magnetic core that plate face is rectangle；Two it is placed side by side after rectangular emanation coil, on one side
It is slightly less than the long side of the first tablet magnetic core, another side is slightly less than the short side of the first tablet magnetic core；First bar shaped magnetic core has three,
It is placed on the first tablet magnetic core, is located at the centre and both sides of two rectangular emanation coils placed side by side；The reception
Mechanism includes receiving coil, the second tablet magnetic core and the second bar shaped magnetic core；Receiving coil is received by two oppositely wound rectangles
Coil is connected in series, and is placed side by side on the second tablet magnetic core that plate face is rectangle；Two it is placed side by side after rectangle receive line
Circle, is slightly less than the long side of the second tablet magnetic core, another side is slightly less than the short side of the second tablet magnetic core on one side；Second bar shaped magnetic core has
It three, is also disposed on the second tablet magnetic core, is located at the centre and both sides of two rectangle receiving coils placed side by side；The
The plate face of one tablet magnetic core is parallel to the plate face of the second tablet magnetic core, and the long side of the first tablet magnetic core is perpendicular to the second flat plate magnet
The long side of core.
Further, the receiving mechanism is there are two more than, and the long side direction along the first tablet magnetic core is arranged in order, and institute
There is the receiving coil of receiving mechanism in parallel.
Further, above-mentioned contactless power supply system electromagnetic coupling device is used for rail traffic, and the trigger mechanism is along rail
The direction of travel of road traffic is laid on road surface, and the receiving mechanism is fixed on the vehicle bottom of rail traffic.
The beneficial effects of the present invention are primary side, secondary coil use " DD types " structure, which can
To generate a relatively closed field circuit, the magnetic field radiation of electromagnetic coupling mechanisms is reduced.Using the design side more received
Case can significantly increase the output power of system, up to hundreds of kilowatts.Also, when some in multiple receiving mechanisms
Or it is several when breaking down, other receiving mechanisms can work normally, and so that system output is remained within prodigious power, significantly
Enhance the reliability of inductive electric energy transmission system.Multiple receiving mechanism structures are identical, are easy to modularization batch and grow, reduce
System cost.The coupling mutual inductance all same of each receiving mechanism and trigger mechanism, without coupling mutual inductance between receiving mechanism.
Description of the drawings
Fig. 1 is the trigger mechanism dimensional structure diagram of the present invention.
Fig. 2 is the receiving mechanism dimensional structure diagram of the present invention.
Specific implementation mode
The specific implementation mode of the present invention is further described below in conjunction with the accompanying drawings.
Fig. 1, Fig. 2 shows the present invention includes with lower part：
The trigger mechanism being arranged in primary side is made of transmitting coil (1) and tablet magnetic core (2), bar shaped magnetic core (3), transmitting
Coil (1) is " bipolarity " loop construction, and oppositely wound by two square type coils and be connected in series, tablet magnetic core (2) is laid on
On road surface, transmitting coil (1) is laid on tablet magnetic core (2), and bar shaped magnetic core (3) is placed on around transmitting coil (1), in order to subtract
Small leakage field, tablet magnetic core (2) size are slightly larger than transmitting coil (1).
The receiving mechanism being arranged in primary side is made of receiving coil (4) and tablet magnetic core (5), bar shaped magnetic core (6), is received
Coil (4) is " bipolarity " loop construction, and oppositely wound by two square coils and be connected in series, tablet magnetic core (5) is fixed on
Rail traffic vehicles bottom, receiving coil (4) are laid below tablet magnetic core (5), and bar shaped magnetic core (6) is placed on receiving coil
(4) around, in order to reduce magnetic field radiation, increase mutual inductance, tablet magnetic core (5) size is slightly larger than receiving coil (4).It is non-in order to increase
Power supply system output power is contacted, primary side places multiple receiving mechanisms, and together by the output-parallel of each acceptance agencies.
In use, tablet magnetic core (2) is fixed in orbit, transmitting coil (1) is fixed on tablet magnetic core (2), it is ensured that
Transmitting coil and magnetic core not will produce relative movement.Primary side tablet magnetic core (5) is fixed on rail traffic vehicles bottom, is received
Coil (4) is fixed on tablet magnetic core (5) below, it is ensured that stable structure, the height of adjustment primary side opposing primary side, to reach
Need mutual inductance size.Transmitting coil (1) is connected to resonance compensation circuit, accesses high-frequency inversion unit, receiving coil (4) are connected
To resonance compensation circuit, output is connected on recetifier bridge load both ends.After circuit system connects, DC power supply is opened, load-side is
High-power energy wireless transmission can be achieved.
Claims (3)
1. a kind of contactless power supply system electromagnetic coupling device, which is characterized in that including trigger mechanism and receiving mechanism；The hair
It includes transmitting coil (1), the first tablet magnetic core (2) and the first bar shaped magnetic core (3) to penetrate mechanism；Transmitting coil (1) is reversed by two
The rectangular emanation coil of coiling is connected in series, and is placed side by side on the first tablet magnetic core (2) that plate face is rectangle；It two and discharges
The rectangular emanation coil postponed, is slightly less than the long side of the first tablet magnetic core (2) on one side, and another side is slightly less than the first tablet magnetic core
(2) short side；First bar shaped magnetic core (3) has three, is also disposed on the first tablet magnetic core (2), is located at two and discharges
The centre and both sides for the rectangular emanation coil set；
The receiving mechanism includes receiving coil (4), the second tablet magnetic core (5) and the second bar shaped magnetic core (6)；Receiving coil (4)
It is connected in series, is placed side by side on the second tablet magnetic core (5) that plate face is rectangle by two oppositely wound rectangle receiving coils；
Two it is placed side by side after rectangle receiving coil, be slightly less than the long side of the second tablet magnetic core (5) on one side, another side is slightly less than second
The short side of tablet magnetic core (5)；Second bar shaped magnetic core (6) has three, is also disposed on the second tablet magnetic core (5), is located at two
The centre and both sides of a rectangle receiving coil placed side by side；
The plate face of first tablet magnetic core (2) is parallel to the plate face of the second tablet magnetic core (5), and the long side of the first tablet magnetic core (2)
Perpendicular to the long side of the second tablet magnetic core (5).
2. a kind of contactless power supply system electromagnetic coupling device as described in claim 1, which is characterized in that the receiving mechanism
There are two more than, the long side direction along the first tablet magnetic core (2) is arranged in order, and the receiving coil (4) of all receiving mechanisms is simultaneously
Connection.
3. a kind of contactless power supply system electromagnetic coupling device as claimed in claim 1 or 2, which is characterized in that described non-to connect
It touches power supply system electromagnetic coupling device and is used for rail traffic, the trigger mechanism is laid on road along the direction of travel of rail traffic
Face, the receiving mechanism are fixed on the vehicle bottom of rail traffic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020446.9A CN108390470A (en) | 2018-01-10 | 2018-01-10 | A kind of contactless power supply system electromagnetic coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020446.9A CN108390470A (en) | 2018-01-10 | 2018-01-10 | A kind of contactless power supply system electromagnetic coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108390470A true CN108390470A (en) | 2018-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810020446.9A Pending CN108390470A (en) | 2018-01-10 | 2018-01-10 | A kind of contactless power supply system electromagnetic coupling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108390470A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867938A (en) * | 2019-11-19 | 2020-03-06 | 中铁电气化局集团有限公司 | Magnetic coupling mechanism for wireless power supply of rail transit |
| CN112498185A (en) * | 2019-09-16 | 2021-03-16 | 中车株洲电力机车研究所有限公司 | Non-contact power supply coupling device, manufacturing method and application vehicle |
| CN114142626A (en) * | 2021-11-30 | 2022-03-04 | 深圳职业技术学院 | Multi-receiving coil group structure for dynamic wireless charging and passive control algorithm |
| CN114268173A (en) * | 2020-09-16 | 2022-04-01 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Non-contact power supply system and rail transit train |
Citations (2)
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| CN105186711A (en) * | 2015-09-06 | 2015-12-23 | 哈尔滨工业大学 | Bridge arm winding type flat plate magnetic core receiving end applied to wireless power supply of electric cars |
| CN105405622A (en) * | 2015-12-31 | 2016-03-16 | 浙江大学 | Loosely coupled transformer device for wirelessly charging electric vehicle |
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2018
- 2018-01-10 CN CN201810020446.9A patent/CN108390470A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186711A (en) * | 2015-09-06 | 2015-12-23 | 哈尔滨工业大学 | Bridge arm winding type flat plate magnetic core receiving end applied to wireless power supply of electric cars |
| CN105405622A (en) * | 2015-12-31 | 2016-03-16 | 浙江大学 | Loosely coupled transformer device for wirelessly charging electric vehicle |
Non-Patent Citations (2)
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| CHOI S Y,ET AL: ""Advances in Wireless Power Transfer Systems for Roadway-Powered Electric Vehicles"", 《EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS》 * |
| 刘志珍等: ""电动汽车无线充电系统磁芯结构的设计及优化"", 《电机与控制学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498185A (en) * | 2019-09-16 | 2021-03-16 | 中车株洲电力机车研究所有限公司 | Non-contact power supply coupling device, manufacturing method and application vehicle |
| CN112498185B (en) * | 2019-09-16 | 2022-07-05 | 中车株洲电力机车研究所有限公司 | Non-contact power supply coupling device, manufacturing method and application vehicle |
| CN110867938A (en) * | 2019-11-19 | 2020-03-06 | 中铁电气化局集团有限公司 | Magnetic coupling mechanism for wireless power supply of rail transit |
| CN110867938B (en) * | 2019-11-19 | 2021-03-09 | 中铁电气化局集团有限公司 | Magnetic coupling mechanism for wireless power supply of rail transit |
| CN114268173A (en) * | 2020-09-16 | 2022-04-01 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Non-contact power supply system and rail transit train |
| CN114142626A (en) * | 2021-11-30 | 2022-03-04 | 深圳职业技术学院 | Multi-receiving coil group structure for dynamic wireless charging and passive control algorithm |
| CN114142626B (en) * | 2021-11-30 | 2023-08-18 | 深圳职业技术学院 | Multi-receiving-coil-group structure for dynamic wireless charging and passive control algorithm |
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Application publication date: 20180810 |