WO2015045088A1 - 非接触給電システムの導電体配索構造 - Google Patents
非接触給電システムの導電体配索構造 Download PDFInfo
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- WO2015045088A1 WO2015045088A1 PCT/JP2013/076212 JP2013076212W WO2015045088A1 WO 2015045088 A1 WO2015045088 A1 WO 2015045088A1 JP 2013076212 W JP2013076212 W JP 2013076212W WO 2015045088 A1 WO2015045088 A1 WO 2015045088A1
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- power
- power transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/124—Detection or removal of foreign bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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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
-
- 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
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
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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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/147—Emission reduction of noise electro magnetic [EMI]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F2027/348—Preventing eddy currents
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Definitions
- the present invention relates to a conductor wiring structure of a non-contact power feeding system, and more particularly to a technique for suppressing an increase in vehicle voltage due to the presence of stray capacitance.
- Patent Document 1 discloses a technique for preventing a radiated electromagnetic field from being generated around a non-contact power feeding device.
- Patent Document 1 does not mention prevention of voltage generation between the vehicle and the ground due to stray capacitance.
- the present invention has been made in order to solve such a conventional problem, and an object of the present invention is to provide conductivity for a non-contact power feeding system that suppresses an increase in the voltage of a vehicle with respect to the ground due to stray capacitance. It is to provide a body routing structure.
- a conductor routing structure of a contactless power feeding system includes a power transmission device having a power transmission coil and a power reception device having a power reception coil, and transmits power from the power transmission device to the power reception device in a contactless manner.
- a conductor wiring structure of a contact power feeding system in which a conductor is interposed between a high potential portion and a low potential portion of an electric field generated when a power transmission coil is excited between a power transmission coil and a power reception coil. To route.
- FIG. 1 is an explanatory diagram showing a schematic configuration of a non-contact power feeding system in which a conductor routing structure according to an embodiment of the present invention is employed.
- FIG. 2 is an explanatory diagram illustrating the principle of suppressing an increase in the voltage of the vehicle by the conductor routing structure according to the embodiment of the present invention.
- FIG. 3 is a perspective view showing the configuration of the power transmission device including the conductor routing structure according to the first embodiment of the present invention.
- FIG. 4 is a cross-sectional view showing the configuration of the power transmission device including the conductor routing structure according to the first embodiment of the present invention.
- FIG. 5 is a plan view and a side view showing the configuration of the power transmission coil of the power transmission device employing the conductor routing structure according to the first embodiment of the present invention.
- FIG. 6 shows a conductor routing structure according to the first embodiment of the present invention, in which the ground wire is routed in parallel to the lines of electric force.
- FIG. 7 shows a conductor wiring structure according to a comparative example, in which a grounding wire is wired orthogonally to the lines of electric force.
- FIG. 8 shows a conductor routing structure according to the second embodiment of the present invention, and is an explanatory diagram when a grounding wire is routed on the search coil substrate.
- FIG. 9 is an explanatory view schematically showing a conductor routing structure according to the first embodiment of the present invention.
- FIG. 10 is an explanatory view schematically showing a conductor routing structure according to the second embodiment of the present invention.
- FIG. 11 is a plan view and a cross-sectional view showing the configuration of the disk-type coil.
- FIG. 1 is an explanatory diagram showing a schematic configuration of a non-contact power feeding system in which the conductor routing structure according to the first embodiment of the present invention is adopted.
- the non-contact power supply system 10 includes a ground side device 3 (power transmission device) provided on the ground side and a vehicle side device 2 (power reception device) mounted on the vehicle 1.
- the ground device 3 is equipped with a power transmission coil L1
- the vehicle device 2 is provided with a power receiving coil L2.
- the power transmission coil L1 and the receiving coil L2 are made to oppose by moving the vehicle 1.
- FIG. 1 is an explanatory diagram showing a schematic configuration of a non-contact power feeding system in which the conductor routing structure according to the first embodiment of the present invention is adopted.
- the non-contact power supply system 10 includes a ground side device 3 (power transmission device) provided on the ground side and a vehicle side device 2 (power reception device) mounted on the vehicle 1.
- the ground device 3 is equipped with a power transmission coil L1
- the vehicle device 2 is provided
- the ground-side device 3 excites the power transmission coil L1 to transmit power, the power receiving coil L2 receives power, and the received power is charged in a battery (not shown) mounted on the vehicle. Therefore, it is possible to charge the battery mounted on the vehicle 1 without requiring connection operation such as plug connection.
- FIG. 2 is an explanatory diagram showing the principle of preventing the voltage of the vehicle 1 from increasing during non-contact power feeding by the conductor wiring structure according to the present invention
- FIG. 2 (a) is a case where the present invention is not adopted.
- FIG. 2B shows a case where the present invention is adopted.
- the non-contact power feeding system includes a power transmission coil L1 provided in the ground side device 3 and a power receiving coil provided in the vehicle side device 2. Since L2 faces, a stray capacitance C1 is generated between the power transmission coil L1 and the power reception coil L2. Furthermore, a resistance R1 and a stray capacitance C2 exist between the vehicle 1 and the ground.
- the grounding wire 23 (conductor) that forms a line between the power transmission coil L1 and the power reception coil L2 is provided. Routed. Therefore, as shown in FIG. 2B, the stray capacitance C1 shown in FIG. 2A is divided into two stray capacitances C11 and C12, and the connection point thereof is grounded. Therefore, the voltage generated in the stray capacitance C11 due to the excitation of the power transmission coil L1 can be discharged to the ground, and the voltage of the vehicle 1 can be prevented from increasing.
- FIG. 3 is a perspective view showing a routing structure of the power transmission coil L1 provided in the ground side device and the ground wire 23 provided in the periphery thereof
- FIG. 4 is a cross-sectional view.
- the ground side device includes a rectangular storage frame 21, and a power transmission coil L ⁇ b> 1 is installed in the storage frame 21.
- the power transmission coil L ⁇ b> 1 is configured by winding an electric wire 25 around an iron core 24.
- FIG. 5 is an explanatory view showing a detailed configuration of the power transmission coil L1
- FIG. 5 (a) is a plan view
- FIG. 5 (b) is a side view.
- the iron core 24 has a structure in which a flat ferrite 31 is covered with an insulator 32, and the electric wires 25 are spirally formed with respect to the iron core 24. It is wound.
- the terminal 33 is provided in the both ends of the electric wire 25, respectively. Therefore, the power transmission coil L1 can be excited by supplying a voltage to each terminal 33. That is, the winding direction of the electric wire 25 is the Y direction in the figure, and the magnetic flux direction generated in the power transmission coil L1 is the X direction orthogonal to the Y direction.
- a rectangular frame-shaped magnetic shielding wall 22 is provided on the upper portion of the storage frame 21 shown in FIGS.
- the magnetic shield wall 22 is made of a material having high conductivity and low magnetic permeability such as aluminum.
- a resin lid 26 is provided so as to cover the upper surface of the magnetic shield wall 22, and a plurality of ground wires 23 are arranged at equal intervals on the lid 26. That is, the plurality of ground wires 23 are routed in a state of being molded on the resin lid 26.
- each ground wire 23 (in the figure, the sign q1 side) is all open. Further, the other end side (q2 side in the figure) is all short-circuited, and this short-circuit point is connected to the magnetic shield wall 22 and further grounded. Therefore, the magnetic shield wall 22 and the ground lines 23 are all at the ground potential.
- a plurality of ground wires 23 are routed between the power transmission coil L1 and the power reception coil L2, and between the power transmission coil L1 and the power reception coil L2.
- the stray capacitance of the vehicle 1 can prevent the voltage of the vehicle 1 from increasing.
- FIG. 6 shows an example in which the direction of the magnetic flux generated in the power transmission coil L1 shown in FIGS. 3 and 4 (the X direction in the figure) and the routing direction of each ground wire 23 are parallel to each other. That is, each ground wire 23 is routed so as to straddle between the high potential portion P1 (voltage + V1 volt) and the low potential portion P2 (voltage ⁇ V1 volt) of the electric field generated when the power transmission coil L1 is excited. Has been.
- the electric lines of force generated in the power transmission coil L1 are generated in the direction from the point P1 to the point P2, that is, in the same direction as the magnetic flux. In the example illustrated in FIG. It is routed in parallel.
- the ground wire 23 in parallel to the electric field lines, the ground wire extends between the high potential portion and the low potential portion of the electric field generated when the power transmission coil L1 is excited.
- 23 conductor
- the path between the high potential portion and the low potential portion in the ground wire 23 is shortened, and the electrical resistance in the ground wire 23 can be reduced. Therefore, the power transmission coil L1 and the power reception coil L2 It is easy to discharge the voltage generated by the parasitic capacitance between and to the ground. Therefore, it can suppress that the voltage of the vehicle 1 increases with respect to the ground.
- one end side of the plurality of ground wires 23 is opened, the other end side is short-circuited, and this short-circuit point is grounded, so that there is no closed loop due to the ground wire 23 and eddy currents are generated. Since it suppresses, an unnecessary temperature rise can be prevented.
- FIG. 7 is an explanatory diagram showing a comparative example with respect to FIG. 6 described above. That is, FIG. 6 shows an example in which each ground wire 23 is routed so as to straddle between the high potential portion P1 and the low potential portion P2 of the electric field generated when the power transmission coil L1 is excited. On the other hand, in the comparative example shown in FIG. 7, each ground line 23 is routed without straddling the high potential portion and the low potential portion. That is, an example is shown in which the direction of the magnetic flux generated in the power transmission coil L1 shown in FIGS. 3 and 4 (the X direction in the figure) and the routing direction of each ground wire 23 are orthogonal to each other.
- each ground line 23 is arranged orthogonal to the direction of the electric lines of force. It has been searched.
- the electrical resistance in the ground line 23 cannot be reduced, and the voltage generated by the parasitic capacitance between the power transmission coil L1 and the power reception coil L2 is easily released to the ground. The effect of the present invention cannot be achieved.
- a lid body 26 in which the ground wire 23 is routed is provided between the power transmission coil L1 and the power reception coil L2, and further, Since the ground line 23 is routed so as to straddle between the high potential portion and the low potential portion of the electric field generated when the power transmission coil L1 is excited, the voltage generated by the stray capacitance is discharged to the ground. It is possible to prevent the potential of the vehicle 1 from increasing.
- the direction of the electric lines of force generated when the power transmission coil L1 is excited and the direction of the ground line 23 is parallel is shown, but the direction of the electric lines of force and the ground line 23 are shown. It is also possible to make the direction of be oblique. That is, the direction in which the ground wire 23 is routed can be a direction inclined by a predetermined angle with respect to the magnetic flux direction (X direction) or the winding direction (Y direction).
- the conductor routing structure according to the second embodiment of the present invention will be described.
- the ground wire 23 shown in the first embodiment is arranged on the ground side device 3 on which a search coil for detecting a foreign object around the power transmission coil L1 is mounted. The case of searching is shown.
- FIG. 8 is a plan view showing the configuration of the search coil substrate 41.
- the search coil substrate 41 is provided with a plurality of sensor coils 42 that are rectangular in the vertical and horizontal directions.
- the search coil substrate 41 is installed on the upper surface side of the power transmission coil L1. And before starting power transmission between the power transmission coil L1 and the receiving coil L2, a weak electric current is sent through the power transmission coil L1. And the voltage change which arises in the sensor coil 42 is read by control of the controller part 43, and it is judged whether foreign objects, such as an empty can, a volt
- the search coil substrate 41 is provided with the ground wire 23. That is, as shown in FIG. 8, a plurality of ground lines 23 are arranged on the search coil substrate 41 in parallel at equal intervals. Then, as shown in FIG. 3 described above, one end side of each ground wire 23 is all opened, the other end side is all short-circuited, and this short-circuit point is grounded. In addition, each ground wire 23 is disposed so as to straddle between the high potential portion and the low potential portion of the electric field generated when the power transmission coil L1 is excited.
- the ground wire 23 is routed between the power transmission coil L1 and the power reception coil L2 as in the first embodiment described above, and therefore, due to the stray capacitance between the power transmission coil L1 and the power reception coil L2. Generation of voltage can be suppressed. As a result, an increase in the voltage of the vehicle 1 can be suppressed.
- the search coil substrate 41 with the ground wire 23 wired is provided between the power transmission coil L1 and the power reception coil L2.
- the voltage due to the stray capacitance can be discharged to the ground, and the potential of the vehicle 1 can be prevented from increasing.
- the ground wire 23 is mounted on the search coil substrate 41, it is not necessary to create a substrate dedicated to the ground wire 23, and the apparatus configuration can be simplified.
- a disk-type coil 71 can also be used.
- the disk-type coil 71 has a ferrite 72, and an insulating material 73 is provided on the surface of the ferrite 72.
- an electric wire 74 is spirally wound around the surface of the insulating material 73, and terminals 75 are provided at both ends of the electric wire 74.
- the ground wire 23 is provided in the substrate.
- the present invention is not limited to this, and the ground wire covered in the vicinity of the power transmission coil L1 or It is also possible to provide a ground wire that is not covered.
- the present invention can be used to suppress an increase in vehicle voltage when charging a battery in a non-contact power supply system.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
Description
図1は、本発明の第1実施形態に係る導電体配索構造が採用される非接触給電システムの概略構成を示す説明図である。図1に示すように、非接触給電システム10は、地上側に設けられる地上側装置3(送電装置)と、車両1に搭載される車両側装置2(受電装置)を備えている。地上側装置3には送電コイルL1が搭載され、車両側装置2には受電コイルL2が設けられている。そして、車両1を移動させることにより、送電コイルL1と受電コイルL2を対向させる。この状態で地上側装置3にて送電コイルL1を励磁させて電力を送電し、受電コイルL2にて電力を受電し、受電した電力を車両に搭載されているバッテリ(図示省略)に充電する。従って、プラグ接続などの接続操作を必要とせず、車両1に搭載されるバッテリに電力を充電することができる。
次に、本発明の第2実施形態に係る導電体配索構造について説明する。第2実施形態では、送電コイルL1の周囲に異物が存在する場合にこれを検出するためのサーチコイルが搭載された地上側装置3に対して、第1実施形態で示した接地線23を配索する場合について示す。
2 車両側装置(受電装置)
3 地上側装置(送電装置)
10 非接触給電システム
21 収納枠
22 防磁壁
23 接地線(導電体)
24 鉄心
25 電線
26 蓋体
31 フェライト
32 絶縁体
33 端子
41 サーチコイル基板
42 センサコイル
43 コントローラ部
71 ディスク型コイル
72 フェライト
73 絶縁材
74 電線
75 端子
L1 送電コイル
L2 受電コイル
Claims (4)
- 地上側に設けられ、送電コイルを有する送電装置、及び車両に設けられ、受電コイルを有する受電装置を備え、
前記送電装置より前記受電装置へ、電力を非接触で送電する非接触給電システムの導電体配索構造において、
前記送電コイルと前記受電コイルとの間に、前記送電コイルを励磁したときに発生する電場の高電位部と低電位部との間を跨ぐように、導電体を配索したこと
を特徴とする非接触給電システムの導電体配索構造。 - 前記導電体は線状を成し、該導電体を前記電場に生じる電気力線と平行に複数本配索することを特徴とする請求項1に記載の非接触給電システムの導電体配索構造。
- 前記導電体は線状を成し、且つ、互いに平行に複数本配索され、このうち一方の端部を全て開放し、他方の端部を全て短絡し且つこの短絡点をグランドに接地することを特徴とする請求項1に記載の非接触給電システムの導電体配索構造。
- 前記非接触給電システムは、前記送電コイルの近傍に異物が存在することを検出するためのサーチコイル基板を備え、前記導電体を前記サーチコイル基板内に配索することを特徴とする請求項1~請求項3のいずれか1項に記載の非接触給電システムの導電体配索構造。
Priority Applications (5)
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CN201380079835.4A CN105594096B (zh) | 2013-09-27 | 2013-09-27 | 非接触式供电系统 |
JP2015538728A JP6160701B2 (ja) | 2013-09-27 | 2013-09-27 | 非接触給電システムの導電体配索構造 |
PCT/JP2013/076212 WO2015045088A1 (ja) | 2013-09-27 | 2013-09-27 | 非接触給電システムの導電体配索構造 |
US15/024,880 US10315523B2 (en) | 2013-09-27 | 2013-09-27 | Conductor arrangement structure for wireless power supply system |
EP13894907.8A EP3067905B1 (en) | 2013-09-27 | 2013-09-27 | Conductor arrangement structure for wireless power supply system |
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EP (1) | EP3067905B1 (ja) |
JP (1) | JP6160701B2 (ja) |
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JP2012228148A (ja) | 2011-04-22 | 2012-11-15 | Yazaki Corp | 共鳴式非接触給電システム、受電側装置及び送電側装置 |
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WO2010150316A1 (en) * | 2009-06-25 | 2010-12-29 | Murata Manufacturing Co., Ltd. | Power transfer system and noncontact charging device |
US20110084782A1 (en) * | 2009-10-09 | 2011-04-14 | Hiroshi Kanno | Electromagnetic filter and electronic device having same |
WO2012105040A1 (ja) * | 2011-02-04 | 2012-08-09 | トヨタ自動車株式会社 | 車両および外部給電装置 |
JP5710313B2 (ja) | 2011-02-25 | 2015-04-30 | トヨタ自動車株式会社 | 共鳴コイル、送電装置、受電装置および電力送電システム |
JP6067211B2 (ja) * | 2011-05-27 | 2017-01-25 | 日産自動車株式会社 | 非接触給電装置 |
US9018904B2 (en) * | 2011-08-12 | 2015-04-28 | GM Global Technology Operations LLC | Wireless battery charging apparatus mounted in a vehicle designed to reduce electromagnetic interference |
JP2014096956A (ja) * | 2012-11-12 | 2014-05-22 | Panasonic Corp | 電力伝送装置、電子機器、ならびにワイヤレス電力伝送システム |
JP6009920B2 (ja) * | 2012-12-04 | 2016-10-19 | トヨタ自動車株式会社 | 非接触受電装置およびそれを備える車両、非接触送電装置、ならびに非接触電力伝送システム |
JP6172567B2 (ja) * | 2013-07-23 | 2017-08-02 | 株式会社Ihi | 非接触給電装置用の異物検出装置と方法 |
CN105052013B (zh) | 2013-07-16 | 2020-03-17 | 株式会社 Ihi | 非接触供电装置用的异物检测装置和方法 |
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- 2013-09-27 EP EP13894907.8A patent/EP3067905B1/en active Active
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JP2012016125A (ja) * | 2010-06-30 | 2012-01-19 | Panasonic Electric Works Co Ltd | 非接触給電システム及び非接触給電システムの金属異物検出装置 |
JP2012228148A (ja) | 2011-04-22 | 2012-11-15 | Yazaki Corp | 共鳴式非接触給電システム、受電側装置及び送電側装置 |
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Also Published As
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US20160236575A1 (en) | 2016-08-18 |
EP3067905A1 (en) | 2016-09-14 |
JPWO2015045088A1 (ja) | 2017-03-02 |
CN105594096B (zh) | 2018-04-06 |
EP3067905B1 (en) | 2017-11-22 |
EP3067905A4 (en) | 2016-09-14 |
US10315523B2 (en) | 2019-06-11 |
JP6160701B2 (ja) | 2017-07-12 |
CN105594096A (zh) | 2016-05-18 |
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