WO2013089160A1 - 電気接続部の固定構造、コネクタ、コネクタの接続方法 - Google Patents
電気接続部の固定構造、コネクタ、コネクタの接続方法 Download PDFInfo
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- WO2013089160A1 WO2013089160A1 PCT/JP2012/082261 JP2012082261W WO2013089160A1 WO 2013089160 A1 WO2013089160 A1 WO 2013089160A1 JP 2012082261 W JP2012082261 W JP 2012082261W WO 2013089160 A1 WO2013089160 A1 WO 2013089160A1
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- connector
- shield
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- unit
- coaxial
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/6485—Electrostatic discharge protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6582—Shield structure with resilient means for engaging mating connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
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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
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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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
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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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0018—Casings with provisions to reduce aperture leakages in walls, e.g. terminals, connectors, cables
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49204—Contact or terminal manufacturing
- Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
Definitions
- the present invention relates to a connector, and relates to a fixing structure of an electrical connection portion in which the connector is used, and a method for connecting the connector.
- the above-described fixing structure of the electrical connection proposed by the applicant of the present application is such that the gap L between the inner shield 122 and the outer shield 121 is wider than the electrical connection 102, thereby Since the circuit is prevented from being short-circuited due to contact with the outer shield 121, when connecting the electrical connection portion 102 of the shielded electric wire 101 to the electrical connection portion 111 of the shield housing 120, An operation for connecting the electrical connection portions 102 and 111 to the outer shield 121 has to be performed.
- the shield member 104 is fixed to the outer shield 121 by the fixing bracket 118, it is necessary to perform an operation of aligning the shield member 104 and the fixing bracket 118 with respect to the outer shield 121.
- the present invention has been made in view of the above-described circumstances. That is, the present invention is an electrical connection portion fixing structure capable of improving the connection work of connecting the electrical connection portion provided at the end of the shielded electric wire and the electrical connection portion provided in the shielded device, It is an object of the present invention to provide a connector and a connector connection method.
- the electrical connection portion fixing structure includes an electrical connection portion for connecting and fixing the electrical connection portion of the shielded wire to the electrical connection portion of the shield housing.
- a fixing structure an electrically insulating annular member provided slidably along an outer peripheral surface of the electrical connection portion of the shielded electric wire, and an outer peripheral surface of the annular member and fixed to the shield housing
- the fixing member is provided with a protective cover having electrical insulation and waterproofness, and the protective cover is bent and deformed as the annular member slides.
- the fixing member is provided with a locking portion that locks the protective cover, and the protective cover is configured to be detachable from the locking portion. ing.
- the connector of the present invention is characterized in that it is connected to another electrical connection part by the fixing structure of the electrical connection part of the present invention.
- the connector connecting method of the present invention is a connector connecting method using the connector of the present invention, wherein the shield member is bent and electrically connected by sliding the annular member toward the middle portion in the longitudinal direction of the electric wire. Projecting part, mechanically and electrically connecting the electrical connection part of the shielded wire to the electrical connection part of the shield housing, and connecting the annular member to the electrical connection part of the shielded wire. The shield member is restored to its initial shape by sliding to the end side, and the fixing member is mechanically and electrically connected to the shield housing and fixed.
- the shield housing and the electrical connection portion of the shielded electric wire can be insulated by the annular member, and the annular member is provided on the intermediate portion side in the longitudinal direction of the electric wire.
- the electrical connection part of the shielded electric wire protrudes, so that the electric connection part of the shielded electric wire is connected to the electric connection part of the shield case from the outside of the shield case. Since it can be connected, the workability of the connection work can be improved.
- the shield member connected to the fixed member is bent and deformed as the annular member slides, the shield member can be shielded via the fixed member simply by mechanically and electrically connecting the fixed member to the shield housing. It is fixed to the housing, and the workability of the fixing work can be improved.
- the workability of the connecting operation of the shielded electric connection portion can be improved and the workability of the fixing operation of the shield member can be improved. Workability at the time of connecting to the shield housing can be improved.
- the fixing member can be electrically insulated from the outside and water can be prevented from entering from the outside.
- the fixing structure of the electrical connection part of this invention can attach or detach a protective cover with respect to a fixing member, when a shielding member is fixed to a shield housing
- the connector of the present invention can improve the workability of the connection work of the electrical connection portion and can improve the workability of the fixing work of the shield member. It is possible to improve workability at the time of connecting to the cable.
- the shield member is bent by sliding the annular member toward the middle portion in the longitudinal direction of the electric wire, and the electric connection portion is projected, and the shield is connected to the electric connection portion of the shield housing.
- the electrical connection portion of the electric wire is fitted and mechanically and electrically connected, and the annular member is slid toward the end portion of the electric connection portion of the shielded electric wire, so that the shield member has an initial shape. Since the fixing member is mechanically and electrically connected and fixed to the shield housing, the connector can be connected to the electrical connection portion of the shield housing by a simple operation, and the connection work The workability is improved.
- a cable-side connector that connects a two-layered coaxial line having an inner shield layer and an outer shield layer while maintaining the coaxial structure, and maintaining the coaxial structure with the cable-side connector.
- a unit-side connector connected to a unit having a shield structure, wherein the unit-side connector conducts the outer shield layer and connects to the outer shield case, and the cable-side connector.
- an outer connector connected to the inner shield layer and connected to the inner shield case, and the inner conductor connected to the outer connector and disposed in the inner shield case with the central conductor of the coaxial line
- an inner connector connectable to be conductive.
- a cable-side connector that connects a two-layered coaxial line having an inner shield layer and an outer shield layer while maintaining the coaxial structure, and maintaining the coaxial structure with the cable-side connector.
- a unit-side connector connected to a unit having a shield structure, wherein the unit-side connector has one end connected to the cable-side connector and the other end connected to the unit.
- a substantially cylindrical connector body to be connected; and a slide portion that covers an outer periphery of the connector body and is arranged to be movable in the axial front-rear direction.
- the connector body includes the inner shield layer of the coaxial line.
- the inner conductor that is electrically connected to the inner shield case that covers the unit is configured to be fixed and the slide portion moves.
- An outer shield disposed on the outer side of the inner shield case, the connector body having a slide-side intermediate conductor that is electrically connected to the body-side intermediate conductor that is electrically connected to the outer shield layer of the coaxial line. It is configured to be fixed to the case by conduction.
- FIG. 1 is a schematic diagram for explaining a resonance type non-contact power feeding system including a connector according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view for explaining the configuration of the connector according to the embodiment of the present invention.
- 3 is a cross-sectional view taken along the line III-III of the connector shown in FIG.
- FIG. 4 is a cross-sectional view for explaining a connection operation between the connector and the power transmission coil unit according to the embodiment of the present invention.
- FIG. 5 is a cross-sectional view of the connection state between the connector and the power transmission coil unit according to the embodiment of the present invention.
- FIG. 6 is a cross-sectional view of a connection state between a conventional power transmission side coaxial connector and a power transmission coil unit.
- FIG. 7 is a diagram showing an outline of a resonance type non-contact power feeding system according to the background art.
- FIG. 8 is a diagram showing a connection structure of a connector portion in a resonance type non-contact power feeding system according to the background art.
- FIG. 9 is a diagram of a connection structure between a transmission line (coaxial line) and a connector according to the embodiment.
- FIG. 10A and FIG. 10B are diagrams illustrating a connection state of the unit-side connector to the shield case according to the embodiment.
- Fig.11 (a) and FIG.11 (b) are the figures which showed the example of the unit side connector from which the length of the inner unit side connector which concerns on embodiment differs.
- FIG. 12 is a diagram illustrating a connection state of the unit side connector when there is one shield case according to the embodiment.
- FIG. 13 is a diagram showing an outline of a resonance type non-contact power feeding system according to the background art.
- FIG. 14 is a diagram showing a connection structure of a connector portion in a resonance type non-contact power feeding system according to the background art.
- FIG. 15 is a diagram of a connection structure between a transmission line (coaxial line) and a connector according to the embodiment.
- FIG. 16A and FIG. 16B are diagrams illustrating a connection state of the unit-side connector to the shield case according to the embodiment.
- FIGS. 17A and 17B are diagrams illustrating an example of the unit-side connector when the distance between the outer shield case and the inner shield case is different according to the embodiment.
- FIG. 18 is a diagram illustrating a unit-side connector according to a modification of the embodiment.
- FIG. 1 is a schematic diagram of a resonant non-contact power feeding system 50 including a connector 1 according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the connector 1 according to one embodiment of the present invention.
- FIG. 3 is a cross-sectional view taken along line III-III of the connector 1 according to the embodiment of the present invention.
- a connector 1 As shown in FIG. 1, a connector 1 according to an embodiment of the present invention has a transmission-side transmission for supplying high-frequency power output from a high-frequency power supply 52 to a power transmission coil unit 51 in a resonance-type non-contact power supply system 50. It is provided at the terminal of the cable 4.
- the resonance type non-contact power feeding system 50 is applied to a power feeding system in an electric vehicle, for example. As shown in FIG. 1, the resonance-type non-contact power feeding system 50 includes a power transmission side device 50A and a power reception side device 50B.
- the power transmission side device 50A is embedded in, for example, a parking lot such as a house or a public facility.
- the power transmission side device 50A includes a high frequency power supply 52 that outputs high frequency power and a power transmission coil unit 51 that generates an electromagnetic field E1.
- the high frequency power supply 52 and the power transmission coil unit 51 are connected by a power transmission side transmission cable 4 provided with a connector 1 at a terminal.
- the high-frequency power source 52 includes a housing shield 52a constituting a housing, a high-frequency oscillation source 55 incorporated in the housing shield 52a, and an FG line of a power cable for grounding the housing shield 52a to the ground GND. 56.
- the high frequency oscillation source 55 is connected to the inner conductor 24 of the power transmission side coaxial cable 22 as an electric wire constituting the power transmission side transmission cable 4.
- An outer conductor 25 of the power transmission side coaxial cable 22 and a power transmission side coaxial cable shield 11 as a shield member covering the power transmission side coaxial cable 22 are connected to the housing shield 52a.
- the high frequency oscillation source 55 is configured to output power in the range of 1 to 3 kW, for example, in the frequency range of 10 to 16 MHz.
- the power transmission side coaxial cable 22 includes an inner conductor 24, an insulator covering the outer peripheral surface of the inner conductor 24, an outer conductor 25 provided on the outer peripheral surface of the insulator, and an outer peripheral surface of the outer conductor 25. And a sheath to be provided.
- the power transmission side coaxial cable 22 is extrapolated with a corrugated tube 6 as a protector having insulation and waterproofness.
- the inner conductor 24 is made of a conductive metal conductor such as copper, copper alloy, aluminum, or aluminum alloy. One end of the internal conductor 24 is connected to the high-frequency oscillation source 55 of the high-frequency power source 52, and the other end is connected to the coaxial connector 3 as an electrical connection part constituting the connector 1.
- the insulator covering the inner conductor 24 is made of a synthetic resin such as polyethylene resin.
- the outer conductor 25 is composed of a hollow circular braided wire made of conductive metal such as copper, copper alloy, aluminum, or aluminum alloy.
- the external conductor 25 has one end of the external conductor 25 mechanically and electrically connected to the other end of the casing shield 52 a of the high frequency power supply 52 and the high frequency oscillation source 55, and the other end of the external conductor 25 connected to the coaxial connector 3.
- the sheath covering the outer conductor 25 is made of a synthetic resin such as vinyl chloride resin.
- the power transmission side coaxial cable shield 11 is formed of a hollow circular braided wire made of conductive metal such as copper, copper alloy, aluminum, or aluminum alloy.
- One end of the power transmission side coaxial cable shield 11 is mechanically and electrically connected to the casing shield 52a of the high frequency power source 52, and the other end is mechanically and electrically connected to the fixing member 9 constituting the connector 1 as shown in FIG. Electrically connected.
- the power transmission coil unit 51 includes a primary coil 59 that generates an electromagnetic field E1 by high-frequency power output from the high-frequency power source 52, a primary resonance coil 60 that is magnetically coupled to the primary coil 59, And a shield housing 51a.
- the shield housing 51a includes an inner shield 58 that covers the primary coil 59 and the primary resonance coil 60 from the outside, and an outer shield 57 that covers the inner shield 58 from the outside.
- the inner shield 58 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape with one opened. The inner shield 58 completely covers the primary coil 59 and the primary resonance coil 60 except for the opening.
- the bottom portion of the inner shield 58 closes the relay connector 41 as an electrical connection portion of the shield housing, the opening 58a for inserting the relay connector 41, and the opening 58a.
- a fixing plate 63 for fixing the relay connector 41 to the bottom surface portion is provided.
- the relay connector 41 is referred to as a so-called receptacle.
- a thread or a plurality of grooves are provided on the outer peripheral surface of the outer conductor.
- the outer shield 57 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape with one opened. As shown in FIG. 1, a flange portion 61 for suppressing radiation of the radiated electromagnetic field E ⁇ b> 2 is provided at the edge portion of the opening of the outer shield 57. The outer shield 57 completely covers the inner shield 58 except for the opening.
- an opening 57 a for inserting the coaxial connector 3 as an electrical connecting portion constituting the connector 1 is provided on the bottom portion of the outer shield 57.
- the edge portion of the opening 57 a is bent toward the inner shield 58.
- the opening 57a is opened in a circular shape along the outer shape of the annular member 8 constituting the connector 1 described later.
- the power receiving device 50B is mounted on a vehicle such as an electric vehicle, for example. As shown in FIG. 1, the power receiving device 50B includes a power receiving coil unit 53 and a load device 54 for charging a battery such as an electric vehicle.
- the power receiving coil portion 53 and the load device 54 are connected by a power receiving side transmission cable 71 including a power receiving side coaxial cable 72 and a power receiving side coaxial cable shield 74.
- the power receiving side coaxial cable 72 includes an inner conductor 75, an insulator covering the outer peripheral surface of the inner conductor 75, an outer conductor 76 provided on the outer peripheral surface of the insulator, and an outer peripheral surface of the outer conductor 76. And a sheath to be provided.
- the inner conductor 75 has one end of the inner conductor 75 connected to one end of the secondary coil 66 and the other end of the inner conductor 75 connected to the load 84.
- the outer conductor 76 has one end of the outer conductor 76 mechanically and electrically connected to the other end of the inner shield 65 and the secondary coil 66 of the power receiving coil section 53, and the other end of the outer conductor 76 is connected to the inner side of the load device 54.
- the shield 82 is mechanically and electrically connected.
- the power-receiving-side coaxial cable shield 74 is made of a conductive metal such as copper, copper alloy, aluminum, or aluminum alloy, and is composed of a hollow circular braided wire.
- One end of the power receiving side coaxial cable shield 74 is mechanically and electrically connected to the outer shield 64 of the power receiving coil section 53, and the other end is mechanically and electrically connected to the outer shield 81 of the load device 54.
- the power receiving coil unit 53 includes a secondary resonance coil 67 that resonates with the primary resonance coil 60, a secondary coil 66 that is magnetically coupled to the secondary resonance coil 67, and a shield housing 53a.
- the shield casing 53a includes an inner shield 65 that covers the secondary resonance coil 67 and the secondary coil 66 from the outside, and an outer shield 64 that covers the inner shield 65 from the outside.
- the inner shield 65 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape with one opened.
- the inner shield 65 completely covers the secondary resonance coil 67 and the secondary coil 66 except for the opening.
- the bottom of the inner shield 65 is provided with an opening through which the inner conductor 75 of the power receiving side coaxial cable 72 is inserted.
- One end of the outer conductor of the power receiving side coaxial cable 72 is mechanically and electrically connected to the periphery of the opening.
- the outer shield 64 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape with one opened.
- a flange portion 68 for suppressing radiation of the radiated electromagnetic field E2 to the outside is provided at the edge portion of the opening of the outer shield 64.
- the outer shield 64 completely covers the inner shield 65 except for the opening.
- An opening for inserting the power receiving side coaxial cable 72 is provided on the bottom surface portion of the outer shield 64.
- One end of the power receiving side coaxial cable shield 74 is mechanically and electrically connected to the peripheral edge of the opening.
- the load device 54 includes a load 84 such as a battery, an inner shield 82 that covers the load 84 from the outside, and an outer shield 81 that covers the inner shield 82 from the outside.
- the other end of the inner conductor 75 of the power receiving side coaxial cable 72 is connected to the load 84.
- the inner shield 82 is made of a good conductor metal such as iron or copper.
- the inner shield 82 is provided with an opening through which the inner conductor 75 of the power receiving side coaxial cable 72 is inserted, and a load 84 is electrically connected thereto.
- the other end of the outer conductor 76 of the power receiving side coaxial cable 72 is mechanically and electrically connected to the peripheral edge of the opening of the inner shield 82.
- the inner shield 82 completely covers the load 84 except for the opening.
- the outer shield 81 is made of a good conductor metal such as iron or copper.
- the outer shield 81 is provided with an opening through which the power receiving side coaxial cable 72 is inserted.
- the other end of the power receiving side coaxial cable shield 74 is mechanically and electrically connected to the peripheral edge of the opening of the outer shield 81.
- the outer shield 81 completely covers the inner shield 82 except for the opening.
- the connector 1 includes a coaxial connector 3 as an electrical connection portion of a shielded electric wire, and a connector fixing device 2 as a fixing structure of the electrical connection portion.
- the connector 1 is provided at a terminal of the power transmission side transmission cable 4 and is fixed to the power transmission coil unit 51.
- the coaxial connector 3 is, for example, a so-called HN connector and includes a plug 21 connected to the terminal of the power transmission side coaxial cable 22.
- the plug 21 includes, for example, a sleeve to be crimped to the end of the power transmission side coaxial cable 22, an inner terminal fitting electrically connected to the inner conductor 24 of the power transmission side coaxial cable 22, and an outer conductor 25 of the power transmission side coaxial cable 22. And an outer terminal fitting electrically connected to the terminal.
- a non-slip portion 21a formed in a mesh shape by a plurality of grooves intersecting each other is provided.
- the connector fixing device 2 is provided at the terminal of the power transmission side transmission cable 4.
- the connector fixing device 2 includes an annular member 8, a fixing member 9, a power transmission side coaxial cable shield 11, and a protective cover 14.
- the annular member 8 is provided so as to be slidable in the axial direction of the coaxial connector 3 along the outer peripheral surface of the coaxial connector 3.
- the annular member 8 is formed in a cylindrical shape along the outer shape of the coaxial connector 3 and is made of a synthetic resin having electrical insulation.
- the fixing member 9 is provided on the outer peripheral surface of the annular member 8, and is formed in an annular disk shape.
- a locking portion 9 a that locks in the locking groove 14 a of the protective cover 14 is provided on the outer peripheral portion of the fixing member 9.
- the connecting portion 9 b of the fixing member 9 and the other end of the power transmission side coaxial cable shield 11 are fixed and connected by a crimping ring 32.
- the fixing member 9 is fixed to the outer shield 57 constituting the casing of the power transmission coil unit 51 by the bolt 31.
- the power transmission side coaxial cable shield 11 is conductive such as copper or copper alloy, aluminum or aluminum alloy, and is formed of a hollow circular braided wire made of metal. As shown in FIG. 4, the power transmission side coaxial cable shield 11 is configured to be able to bend and deform as the annular member 8 slides.
- the protective cover 14 includes a locking groove 14 a that is locked to the locking portion 9 a of the fixing member 9, and an insertion portion 14 b through which the power transmission side transmission cable 4 is inserted. ing. As shown in FIG. 4, the protective cover 14 is configured to be able to bend and deform as the annular member 8 slides.
- the annular member 8 is slid toward the intermediate portion in the longitudinal direction of the power transmission side coaxial cable 22, and each of the power transmission side coaxial cable shield 11 and the protective cover 14 is bent and bent.
- the coaxial connector 3 is protruded from the annular member 8.
- the coaxial connector 3 is fitted and mechanically and electrically connected to the relay connector 41, the annular member 8 is slid to the end side of the coaxial connector 3, and the fixing member 9 is shielded from the outer side of the power transmission coil unit 51.
- the power transmission side coaxial cable shield 11 and the protective cover 14 are restored to their initial shapes.
- the locking groove 14a of the protective cover 14 is removed from the locking portion 9a of the fixing member 9, and the bolt 31 is operated from outside to fix the fixing member 9 to the outer shield 57 mechanically and electrically. Then, as shown in FIG. 5, the locking groove 14a is locked to the locking portion 9a.
- the connector 1 according to the embodiment of the present invention is mechanically and electrically connected to the power transmission coil unit 51 and fixed.
- the connector fixing device 2 is configured to fix the electrical connection portion that connects and fixes the coaxial connector 3 of the power transmission side coaxial cable 22 to the relay connector 41 of the inner shield 58.
- An electrically insulating annular member 8 slidably provided along the outer peripheral surface of the coaxial connector 3, and an electrically conductive annular member 8 provided on the outer peripheral surface of the annular member 8 and fixed to the shield housing 51a.
- a fixing member 9, and a power transmission side coaxial cable shield 11 that covers the power transmission side coaxial cable 22 and is mechanically and electrically connected to the fixing member 9, and the power transmission side coaxial cable shield 11 is As the annular member 8 slides, it is bent and deformed.
- the coaxial connector 3 and the outer shield 57 constituting the shield casing 51a can be insulated by the annular member 8, and the power transmission By sliding the annular member 8 to the intermediate portion side in the longitudinal direction of the side coaxial cable 22, the power transmission side coaxial cable shield 11 is bent in the sliding direction of the annular member 8 and the coaxial connector 3 is projected.
- the plug 21 and the outer shield 57 are electrically insulated by the annular member 8, and the interval L between the inner shield 58 and the outer shield 57 can be reduced.
- FIG. 4 As shown in FIG. 4, as shown in FIG. An operation of connecting the coaxial connector 3 to the relay connector 41 from the outside of the outer shield 57 constituting the shield casing 51a. Ukoto can, it is possible to improve the workability of the connection work.
- the fixing member 9 is mechanically and electrically connected to the outer shield 57 constituting the shield housing 51a. Only by doing so, the power transmission side coaxial cable shield 11 is fixed to the outer shield 57 constituting the shield casing 51a via the fixing member 9, and the workability of the fixing work can be improved.
- connection work of the coaxial connector 3 is improved and the workability of the work of fixing the power transmission side coaxial cable shield 11 is improved, so that the coaxial connector 3 is connected to the relay connector 41 and the outer shield 57 is connected.
- the workability at the time of fixing the power transmission side coaxial cable shield 11 can be improved.
- the fixing member 9 is provided with a protective cover 14 having electrical insulation and waterproofing, and the protective cover 14 is bent and deformed as the annular member 8 slides. Can be insulated and can prevent water from entering from the outside.
- the fixing member 9 is provided with a locking portion 9a that is locked to the protective cover 14, and the protective cover 14 is configured to be detachable from the locking portion 9a.
- the protective cover 14 can be removed to fix the fixing member 9 to the outer shield 57 constituting the shield casing 51a.
- the protective cover 14 can be attached to the fixing member 9. Accordingly, it is possible to prevent the workability of the fixing work of the fixing member 9 from being lowered.
- the connector 1 is connected to the relay connector 41 by the fixing structure of the coaxial connector 3 described above, the workability of the connection work of the coaxial connector 3 can be improved and the fixing work of the power transmission side coaxial cable shield 11 can be improved. The workability at the time of connecting and fixing the connector 1 to the relay connector 41 can be improved.
- the connector 1 concerning the said embodiment is not limited to what is used for the resonance-type non-contact electric power feeding system 50 mentioned above, a well-known electrical connection part and an electric wire can be employ
- the power transmission side coaxial cable shield 11 should just electrically connect the housing
- a conductive member such as a conductive pipe or cylinder having conductivity may be used.
- the corrugated tube 6 as a protector provided in the power transmission cable 4 may be, for example, a synthetic resin pipe having insulation properties such as vinyl chloride resin.
- the fixing member (9) is provided with a protective cover (14) having electrical insulation and waterproofing, The fixing structure of the electrical connection part according to the above [1], wherein the protective cover (14) is bent and deformed as the annular member (8) slides.
- the fixing member (9) is provided with a locking portion (9a) for locking to the protective cover (14), The structure for fixing an electrical connection part according to the above [2], wherein the protective cover (14) is configured to be detachable from the locking part (9a).
- the present invention relates to a connector, and more particularly to a coaxial connector having a two-layer structure having an inner shield layer and an outer shield layer.
- a technique for supplying power to a load device by a non-contact system is known.
- a mobile phone charging system is generally spreading.
- a non-contact power supply system has entered the stage of practical use, and various standards have been established.
- FIG. 1 As a technique for reducing an unnecessary radiated electromagnetic field in a resonance type non-contact power feeding system, there is one shown in FIG. Specifically, in this technique, the metal case (inner shield case 201) on the power transmission side and the power reception side is covered with a metal shield (outer shield case 202) larger than them, and a strong electromagnetic field area between the resonance coils.
- the shield 202a is provided with a large metal plate.
- the coaxial line 220 is covered with a metal shield 240, and the metal shield 240 is connected to a large metal shield (outer shield case 202).
- a two-layer shield structure is realized in which the metal shield 240 covering the coaxial line 220 is connected to the casing of the high-frequency power source.
- the outer conductor (braided layer) of the coaxial line 220 connected to the inner shield case 201 is insulated from the outer shield layer composed of the braided wire connected to the outer shield case 202 or the like.
- the outer shield structure is connected so as to completely cover the inner shield structure.
- connection structure as shown in FIG. 8 is used as a structure for performing shield connection while ensuring the above-described two-layer structure.
- the coaxial connector must be attached from the inside of the outer shield case 202, but the outer shield layer (braided wire or the like) must be connected to the outer shield case 202 from the outside by a fixing bracket 207.
- the connection between the outer shield material 206 and the outer shield case 202 is performed by bending the shield material and expanding it radially so as to be sandwiched between the outer shield case 202 and the fixing bracket 207. Tightened by 208 to ensure conduction while at the same time ensuring electromagnetic shielding.
- connection between the coaxial connector 203 attached to the inner shield case 201 and the coaxial connector 204 on the cable side needs to be performed inside the outer shield case 202, and the connection work of the outer shield material 206, which is the work outside, is performed. It was difficult to do at the same time and the work was complicated.
- the object of the present invention has been made in view of such a situation.
- FIG. 9 is a view showing a connection structure 399 between the transmission line (coaxial line 380) and the connectors (340, 350) according to this embodiment, and here, the internal structure is shown in an easy-to-understand manner.
- the connector used in the connection structure 399 includes a coil-side unit-side connector 340 and a cable-side connector 350 to which a transmission line is connected.
- the unit side connector 340 includes an outer unit side connector 360 and an inner unit side connector 370.
- a coaxial cable 380 having a two-layer structure is used as a transmission line.
- the coaxial line 380 has a two-layered shield layer (such as a braided layer) that is insulated on the inner side and the outer side.
- the coaxial line 380 includes a coaxial line inner conductor 301, a coaxial line inner insulator 302, a coaxial line intermediate conductor (inner shield layer) 303, and a coaxial line outside from the center side to the outer side.
- An insulator 304, a coaxial line outer conductor (outer shield layer) 305, and a coaxial line sheath 306 are provided.
- the cable-side connector 350 has a cylindrical structure corresponding to the coaxial line 380 of the shield layer having the two-layer structure described above.
- the cable-side connector 350 includes an inner conductor 307, an inner insulator 308, an intermediate conductor 309, an outer insulator 310, an outer conductor 311, and a housing 312 from the center side toward the outside.
- the inner conductor 307 provided at the center of the axis connects the inner conductor 301 of the coaxial line 380.
- a fitting portion 351 is formed at the end of the inner conductor 307 on the unit side connector 340 side (the left side in the drawing) so as to sandwich and connect the inner conductor 313 of the unit side connector 340 when connected to the unit side connector 340.
- the internal insulator 308 covers the internal conductor 307 with a predetermined thickness and ensures insulation between the internal conductor 307 and the intermediate conductor 309.
- the intermediate conductor 309 is connected to the coaxial line intermediate conductor 303 by caulking.
- the external insulator 310 covers the intermediate conductor 309 with a predetermined thickness and ensures insulation from the external conductor 311.
- the outer conductor 311 is connected to the coaxial line outer conductor 305 by caulking. At this time, the caulking structure of the outer conductor 311 has a shape that also fixes the coaxial sheath 306.
- the cable side connector 350 to which the coaxial line 380 is connected also has a two-layered coaxial structure in which the structure of the coaxial line 380 is substantially continuous.
- the unit-side connector 340 that is fitted and connected to the cable-side connector 350 also has a two-layer coaxial structure.
- the unit side connector 340 is composed of two units, an outer unit side connector 360 and an inner unit side connector 370.
- the outer unit side connector 360 is fitted to the cable side connector 350 and is fixed to the outer shield case 391.
- the inner unit side connector 370 is connected to the inner coil and to the inner shield case 392.
- the outer unit side connector 360 includes an inner conductor 313, an inner insulator 314, an intermediate conductor 315, an outer insulator 316, an outer conductor 317, a housing 318, and a waterproof ring 319. Further, male screws 361 and 362 and a lock groove 363 are provided.
- the inner unit side connector 370 includes an inner conductor retaining nut 320, an intermediate conductor retaining nut 321, an inner conductor 322, an inner insulator 323, an intermediate conductor 324, a housing 325, an inner conductor connector 326, and an intermediate conductor connector 327. . Further, the inner unit side connector 370 includes a fitting portion 371, a female screw 372, a lock piece 373, and a male screw 374.
- the outer conductor 317 of the outer unit side connector 360 is connected to the outer shield case 391 and forms an outer shield layer. Further, the intermediate conductor 324 of the inner unit side connector 370 is connected to the inner shield case 392 and forms an inner shield layer.
- the internal conductor 322 and the intermediate conductor 324 are, for example, threaded for connection with a coil or the like, and a round terminal or a bus bar terminal portion (corresponding to the internal conductor connection body 326 and the intermediate conductor connection body 327) is directly connected. It can be fixed.
- the inner conductor 313 and the intermediate conductor 315 of the outer unit side connector 360 can fix round terminals and bus bar terminals similarly to the inner unit side connector 370, and can be used when the inner shield case 392 does not exist. .
- the other end of the inner unit side connector 370 can be directly connected to the outer unit side connector 360 by screwing or the like, and the inner conductor 313, the inner conductor 322, the intermediate conductor 315, and the intermediate conductor 324 are electrically connected.
- the distance between the inner shield case 392 and the outer shield case 391 is often different for each unit. Therefore, this can be dealt with by changing the length of the inner unit side connector 370 for each unit.
- the unit-side connector 340 (outer unit-side connector 360 and inner unit-side connector 370) and the cable-side connector 350 are insulated from the inner conductor, the intermediate conductor, and the outer conductor, respectively. To ensure.
- the outer unit side connector 360 and the cable side connector 350 can be connected to three poles at the same time by one operation.
- the lock mechanism (lock piece 373 / lock groove 363) and the waterproof mechanism (waterproof ring 319) Incorporation is also possible.
- 10 (a) and 10 (b) show a method for attaching the unit-side connector 340 and a method for connecting an internal device (such as a coil).
- the unit-side connector 340 is inserted into the mounting hole of the outer shield case 391, and fixed to the outer shield case 391 using a bolt 388 or the like.
- the mounting bolt 388 is used.
- a method of standing a stud bolt from the outer shield case 391, fitting the outer unit side connector 360, and fixing with a nut is used. Also good.
- the outer conductor 311 which is a shield and the outer shield case 391 are in electrical contact, and an outer shield layer is formed.
- the inner unit side connector 370 connected to the outer unit side connector 360 is inserted into the mounting hole of the inner shield case 392 and fixed by the intermediate conductor retaining nut 321.
- a male screw 374 is formed on the surface of the intermediate conductor 324 (outer peripheral surface in the vicinity of the end portion), and the inner shield case 392 is sandwiched by tightening the intermediate conductor retaining nut 321 to ensure the fixing and conduction of the connector.
- An inner shield layer is formed.
- it fixes using the screw here, you may fix by fixed lock structures, such as a fitting type.
- the inner conductor connector 326 is inserted into the male screw 375 at the tip of the inner conductor 322 of the inner unit side connector 370. Conduction is obtained using the retaining nut 320. In addition, when the other one pole, the intermediate conductor retaining nut 321 and the intermediate conductor 324 are tightened, the intermediate conductor connection body 327 is sandwiched therebetween to obtain conduction.
- the internal conductor connection body 326 and the intermediate conductor connection body 327 can be directly attached with a bus bar-like conductor as a part of a coil or the like.
- FIG. 11A and 11B show a connection method of the unit side connector 340, that is, a fixing structure between the outer unit side connector 360 and the inner unit side connector 370.
- FIG. 11A and 11B are different in length of the inner unit side connector 370 (L1> L2).
- the outer unit side connector 360 is formed so that the cable side connector 350 is fitted from the right side in the figure.
- a male screw 362 of about M3 is formed at the tip of the inner conductor 313 in the outer unit side connector 360.
- a female screw 372 is formed at the left end of the inner conductor 322 (the side to which the outer unit side connector 360 is connected).
- the outer unit side connector 360 is screwed into the inner unit side connector 370 for connection.
- both the intermediate conductors 315 and 324 of the outer unit side connector 360 and the inner unit side connector 370 are in contact with each other, and two poles (inner conductor and intermediate conductor) can be connected.
- a connection method there are a method in which a screw is formed on an intermediate conductor as shown in the figure, and a method in which a fixed lock mechanism (363, 373) is provided on an external insulator to lock. In the drawing, both structures are shown, but either method may be used.
- the interval between the inner shield case 392 and the outer shield case 391 may differ depending on the configuration and structure of the unit.
- the interval L2 in FIG. 11A is slightly shorter than the interval L1 in FIG. 11B ( ⁇ L1).
- the length of the inner unit side connector 370 can be changed.
- the length l2 ( ⁇ l1) of the housing 325 in FIG. 11B is shorter than the length l1 of the housing 325 in FIG.
- FIG. 12 shows a method of attaching the unit side connector 340 having a configuration in which the shield case 390 has only one layer.
- the transmission case coaxial line 380
- the outer unit side connector 360 can be used alone.
- the inner conductor connector 326 can be directly fixed and connected by the inner conductor retaining nut 320. Further, by attaching the intermediate conductor connecting body 327 using the intermediate conductor retaining nut 321, the intermediate conductor connecting body 327 and the intermediate conductor 324 are brought into contact with each other via the intermediate conductor retaining nut 321, thereby ensuring conduction. Insulation between the internal conductor connection body 326 and the intermediate conductor connection body 327 can be ensured by sandwiching the insulating plate 329 between the internal conductor connection body 326 and the intermediate conductor retaining nut 321.
- the two-layer shielded coaxial connector (unit side) includes an inner conductor, an intermediate conductor (shield), an outer conductor (shield), and an insulating structure between these conductors, and a housing that houses these conductors.
- the two-layer shield structure can be efficiently realized by the connector 340 and the cable side connector 350). In particular, the workability at the installation location can be greatly improved. Further, the connector connection work is facilitated by the integrated connector structure.
- the outer unit side connector 360 having a more complicated structure can be shared by setting and preparing the inner unit side connector 370 having different lengths. Can be In a unit in which the outer shield case 391 and the inner shield case 392 are integrated, the connection can be made with only the outer unit side connector 360 alone.
- the unit side connector (340) is connected to the outer shield case (391) by conducting the outer shield layer (305), and is connected to the cable side connector (350).
- the inner shield layer (303) is made conductive and connected to the inner shield case (392), connected to the outer unit side connector (360), and connected to the inner device disposed in the inner shield case (392).
- An inner unit side connector (370) connectable with the coaxial line inner conductor (301) of the coaxial line (380).
- the present invention relates to a connector, and more particularly to a coaxial connector having a two-layer structure having an inner shield layer and an outer shield layer.
- a technique for supplying power to a load device by a non-contact system is known.
- a mobile phone charging system is generally spreading.
- a non-contact power supply system has entered the stage of practical use, and various standards have been established.
- FIG. 1 As a technique for reducing an unnecessary radiated electromagnetic field in a resonance type non-contact power feeding system, there is one shown in FIG. Specifically, in this technique, the metal case (inner shield case 201) on the power transmission side and the power reception side is covered with a metal shield (outer shield case 202) larger than them, and a strong electromagnetic field area between the resonance coils.
- the shield 202a is provided with a large metal plate.
- the coaxial line 220 is covered with a metal shield 240, and the metal shield 240 is connected to a large metal shield (outer shield case 202).
- a two-layer shield structure is realized in which the metal shield 240 covering the coaxial line 220 is connected to the casing of the high-frequency power source.
- the outer conductor (braided layer) of the coaxial line 220 connected to the inner shield case 201 is insulated from the outer shield layer composed of the braided wire connected to the outer shield case 202 or the like.
- the outer shield structure is connected so as to completely cover the inner shield structure.
- connection structure as shown in FIG. 14 is used as a structure for performing shield connection while ensuring the above-described two-layer structure.
- the coaxial connector must be attached from the inside of the outer shield case 202.
- the outer shield layer (braided wire or the like) must be connected from the outer side of the outer shield case 202 by the fixing bracket 207.
- the connection between the outer shield material 206 and the outer shield case 202 is performed by bending the shield material and expanding it radially so as to be sandwiched between the outer shield case 202 and the fixing bracket 207. Tightened by 208 to ensure conduction while at the same time ensuring electromagnetic shielding.
- connection between the coaxial connector 203 attached to the inner shield case 201 and the coaxial connector 204 on the cable side needs to be performed inside the outer shield case 202, and the connection work of the outer shield material 206, which is the work outside, is performed. It was difficult to do at the same time and the work was complicated.
- the object of the present invention has been made in view of such a situation.
- FIG. 15 is a view showing a connection structure 499 between the transmission line (coaxial line 480) and the unit side connector 440 according to this embodiment, and here, the internal structure is shown in an easy-to-understand manner.
- the connection structure 499 includes a unit-side connector 440 that is connected to a coil (internal device) side disposed inside the shield case, and a cable-side connector 450 that is connected to a transmission line. .
- the internal device connected to the unit side connector 440 is covered with a two-layer shield structure (an outer shield case 491 and an inner shield case 492), similarly to the structure shown in FIG.
- a coaxial cable 480 having a two-layer structure is used as a transmission line.
- the coaxial line 480 has a shield layer (braided layer or the like) having a two-layer structure that is insulated on the inner side and the outer side.
- the coaxial line 480 includes a coaxial line inner conductor 401, a coaxial line inner insulator 402, a coaxial line intermediate conductor (inner shield layer) 403, and a coaxial line outside from the center side to the outer side.
- An insulator 404, a coaxial line outer conductor (outer shield layer) 405, and a coaxial line sheath 406 are provided.
- the cable-side connector 450 has a cylindrical structure corresponding to the coaxial line 480 of the shield layer having the above-described two-layer structure.
- the cable-side connector 450 includes an inner conductor 407, an inner insulator 408, an intermediate conductor 409, an outer insulator 410, an outer conductor 411, and a housing 412 from the center side toward the outside.
- the inner conductor 407 provided in the center of the shaft connects the coaxial line inner conductor 401 of the coaxial line 480.
- a fitting portion 451 is formed at the end of the inner conductor 407 on the unit side connector 440 side (the left side in the drawing) so as to sandwich and connect the inner conductor 413 of the unit side connector 440 when connected to the unit side connector 440.
- the internal insulator 408 covers the internal conductor 407 with a predetermined thickness and ensures insulation between the internal conductor 407 and the intermediate conductor 409.
- the intermediate conductor 409 is connected to the coaxial line intermediate conductor 403 by caulking.
- the external insulator 410 covers the intermediate conductor 409 with a predetermined thickness and ensures insulation from the external conductor 411.
- the outer conductor 411 is connected to the coaxial line outer conductor 405 by caulking. At this time, the caulking structure of the outer conductor 411 has a shape that also fixes the coaxial wire sheath 406.
- the cable side connector 450 to which the coaxial line 480 is connected also has a two-layer coaxial structure in which the structure of the coaxial line 480 is substantially continuous.
- the unit-side connector 440 that is fitted and connected to the cable-side connector 450 also has a two-layer coaxial structure.
- the unit-side connector 440 includes a unit-side connector body 460 and a slide unit 470.
- the unit side connector main body 460 has one end side (right side in the figure) fitted to the cable side connector 450, and one end of the slide unit 470 is connected to a coil or the like.
- the configuration of the unit-side connector main body 460 is connected to the outer shield case 491, and the configuration of the slide unit 470 is connected to the inner shield case 492.
- the slide unit 470 slides on the outer peripheral surface of the unit-side connector main body 460, it is possible to cope with a case where the distance between the outer shield case 491 and the inner shield case 492 is different.
- the unit-side connector main body 460 is a cylindrical body, and from the center side to the outside, the inner conductor 413, the inner insulator 414, the intermediate conductor 415, the outer insulator 416, the outer conductor 417, the housing 418.
- the end portion of the inner conductor 413 on the cable side connector 450 side is inserted into and connected to the fitting portion 451 of the cable side connector 450 to be electrically connected to the inner conductor 407 (that is, the coaxial line inner conductor 401) of the cable side connector 450.
- the end of the inner conductor 413 has a conical shape so that it can be easily inserted.
- a male screw 462 is formed at the other end of the internal conductor 413 for connection to a coil or the like, and the round terminal and the bus bar terminal portion (internal conductor connection body 426) are fastened for the internal conductor. It can be fixed directly with the nut 420.
- the inner insulator 414 is formed so as to cover the inner conductor 413, and ensures insulation between the inner conductor 413 and the intermediate conductor 415.
- the intermediate conductor 415 is formed so as to cover the internal insulator 414, and when the cable side connector 450 is connected, it is connected to the intermediate conductor 409 of the cable side connector 450 and becomes conductive.
- the intermediate conductor 415 is connected to the inner shield case 492 via the intermediate conductor 423 of the slide unit 470, and forms an inner shield layer.
- the external insulator 416 is formed so as to cover the intermediate conductor 415.
- the external insulator 416 covers an approximately half region on the unit side connector 440 side, and the remaining approximately half region on the coil side (left side in the drawing) exposes the intermediate conductor 415.
- the slide unit 470 slides while contacting the outer peripheral surface of the exposed intermediate conductor 415.
- the cable-side connector 450 side of the external insulator 416 is formed in a concave shape with a predetermined depth so that the intermediate conductor 409 and the external insulator 410 of the cable-side connector 450 can be fitted and connected.
- the outer conductor 417 is formed so as to cover the outer insulator 416 and is connected to the outer shield case 491 to form an outer shield layer.
- the housing 418 is formed so as to cover the outer conductor 417, and the left side in the figure is formed in a disk shape, and is fixed by an outer shield case 491 and a bolt 488 (see FIGS. 16A and 16B).
- the interval between the outer shield case 491 and the inner shield case 492 is different for each unit, so that the length is changed by changing the length of the unit side connector 440 for each unit.
- the intermediate conductor 423 of the slide unit 470 can slide on the surface of the intermediate conductor 415 of the unit-side connector body 460, and is fixed by sliding until the tip of the intermediate conductor 423 contacts the inner shield case 492.
- the slide unit 470 is a cylindrical body, and integrally includes an intermediate conductor 423 on the center side and an external insulator 424 on the outside. Further, the intermediate conductor 423 is exposed at the distal end side (the left side in the figure) of the intermediate conductor 423, and a male screw 425 is formed in the exposed portion, and further, the root of the male screw 425 on the cable side connector 450 side. A fixing protrusion 429 is formed on the portion. A slide fitting portion 428 is formed on the inner peripheral surface of the external insulator 424 on the unit-side connector main body 460 side so that the housing slide surface 422 can be accommodated.
- the intermediate conductor 423 of the slide unit 470 is formed with a male screw 425 for connection to a coil or the like, and the round terminal and the bus bar terminal portion (intermediate conductor connector 427) are connected to the intermediate conductor retaining nut. Fix directly with 421.
- the unit-side connector 440 unit-side connector main body 460 and slide unit 470
- the cable-side connector 450 are connected, the inner conductor, the intermediate conductor, and the outer conductor are insulated from each other, and are coaxial.
- characteristic impedance and the like are ensured as desired. That is, the unit-side connector 440 and the cable-side connector 450 form a coaxial structure that is continuous with the coaxial structure of the coaxial line 480 when connected by fitting.
- the unit-side connector 440 and the cable-side connector 450 can be simultaneously connected to three poles in one operation, and a lock mechanism or a waterproof mechanism (waterproof ring 419) can be incorporated.
- FIG. 16A and 16B show in detail how to attach the unit-side connector 440 and how to connect the internal devices (coils, etc.).
- FIG. 16A is a view seen from the inside of the inner shield case 492
- FIG. 16B is a view showing the side surface as a partial cross-sectional structure.
- the unit-side connector 440 has a shape in which the cable-side connector 450 is fitted from the right side in the figure, and an internal device such as a coil is directly connected to the left end by a bus bar or the like as described above. Connected by electric wire connection).
- the unit-side connector body 460 is inserted into the mounting hole 493 of the outer shield case 491, and the end of the housing 418 is brought into contact with the outer shield case 491 by using bolts 488 or the like.
- the mounting bolt 488 is used.
- a method is used in which a stud bolt is erected from the outer shield case 491, the unit-side connector body 460 is fitted and fixed with a nut. Also good. By attaching in this way, the outer conductor 411 which is a shield and the outer shield case 491 are in electrical contact, and an outer shield layer is formed.
- the slide unit 470 of the unit side connector 440 is adjusted in accordance with the distance between the outer shield case 491 and the inner shield case 492, and the tip portion is inserted into the mounting hole 494 of the inner shield case 492.
- the intermediate conductor 423 of the slide unit 470 can be connected to the inner shield case 492, and the intermediate conductor connector 427 is fixed and connected using the intermediate conductor retaining nut 421, whereby the inner shield layer is formed.
- An internal device such as a coil is connected to the internal conductor 413 of the unit-side connector body 460.
- a male screw 462 of about M3 is formed at the left end of the internal conductor 413 as shown in the figure.
- the inner conductor connection body 426 is fixed using the inner conductor retaining nut 420 to obtain conduction.
- the screws are fixed, but they may be fixed by a fixing lock structure such as a fitting type.
- FIGS. 17A shows a state where the distance between the outer shield case 491 and the inner shield case 492 is the shortest
- FIG. 17B shows a state where the distance between the outer shield case 491 and the inner shield case 492 is the longest.
- the intermediate conductor 423 of the slide unit 470 is configured to be slidable on the surface of the intermediate conductor 415 of the unit-side connector body 460 while maintaining contact.
- the intermediate conductor 423 and the external insulator 424 constitute the slide unit 470 in a mechanically integrated state.
- the male screw 425 is formed in the vicinity of the distal end side of the intermediate conductor 423. Using this male screw 425, the inner shield case 492 and the intermediate conductor connector 427 are tightened by the intermediate conductor retaining nut 421, so that the unit-side connector 440 and the inner shield case 492 are fixed and electrically connected. Yes.
- the unit-side connector 440 alone can cope with a difference in distance between the outer shield case 491 and the inner shield case 492 in a certain adjustment range.
- FIG. 18 shows a unit side connector 440a in which the unit side connector 440 is fixed and fixed as a modification.
- the tolerance of the interval can be absorbed by the slide mechanism (slide unit 470).
- the strength of the inner shield case 492 may be low and it may be difficult to maintain the case spacing as desired.
- the slide unit 470 is always movable, and there is a possibility that extra stress is generated.
- the slide surface between the housing slide surface 422 formed on the external insulator 416 of the unit-side connector main body 460 and the inner surface of the external insulator 424 of the slide unit 470 has a screw structure.
- the slide unit 470 can be rotated to adjust the slide amount.
- the length of the unit side connector 440 can also be made into a semi-fixed state. As a result, the assembling property is improved.
- the intermediate conductor connection body 427 is unnecessary in structure, for example, when one pole such as a coil is connected to the inner shield case 492 at another location, the inner shield without the intermediate conductor retaining nut 421 is provided. Contact between the case 492 and the intermediate conductor 423 can be maintained.
- the two-layer shielded coaxial connector (unit side) includes an inner conductor, an intermediate conductor (shield), an outer conductor (shield), and an insulating structure between these conductors, and a housing that houses these conductors.
- the two-layer shield structure can be efficiently realized by the connector 440 and the cable side connector 450). In particular, the workability at the installation location can be greatly improved. Further, the connector connection work is facilitated by the integrated connector structure. Further, even in a unit in which the distance between the inner shield case 492 and the outer shield case 491 is different, the unit-side connector 460 having a more complicated structure can be shared by the slide mechanism (slide unit 470).
- the unit side connector (440) has a substantially cylindrical unit side connector body (460) having one end connected to the cable side connector (450) and the other end connected to the unit; A slide portion (470) that covers the outer periphery of the side connector body (460) and is movably disposed in the axial direction.
- the unit-side connector main body (460) is fixed by electrically connecting the coaxial line inner conductor (401) that conducts to the inner shield layer (403) of the coaxial line (480) to the inner shield case (492) that covers the unit.
- the slide portion (470) is an intermediate conductor (415) electrically connected to the intermediate conductor (415) connected to the outer shield layer (405) of the coaxial line (480) in the unit side connector body (460) when moving. 423), and the intermediate conductor (423) is configured to be conductively fixed to an outer shield case (491) disposed outside the inner shield case (492).
- the present invention it is possible to improve the connection work of connecting the electrical connection portion provided at the end of the shielded electric wire and the electrical connection portion provided in the shielded crisis, and the connector has an effect. This is useful for the fixing structure of the electrical connection portion used and the connector connection method thereof.
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Abstract
Description
図1は、本発明の一実施形態にかかるコネクタ1を備えた共鳴式非接触給電システム50の模式図である。図2は、本発明の一実施形態にかかるコネクタ1の断面図である。図3は、本発明の一実施形態にかかるコネクタ1のIII-III線の矢視断面図である。
前記同軸コネクタ(3)の外周面に沿ってスライド自在に設けられる電気絶縁性の環状部材(8)と、
前記環状部材(8)の外周面に設けられ且つ前記シールド筐体(51a)に固定される導電性の固定部材(9)と、
前記送電側同軸ケーブル(22)を被覆するとともに前記固定部材(9)に機械的且つ電気的に接続される送電側同軸ケーブルシールド(11)と、を備え、
前記送電側同軸ケーブルシールド(11)が、前記環状部材(8)のスライドに伴って撓み変形される電気接続部の固定構造。
[2] 前記固定部材(9)には、電気絶縁性と防水性とを有する保護カバー(14)が設けられ、
前記保護カバー(14)が、前記環状部材(8)のスライドに伴って撓み変形される上記[1]に記載の電気接続部の固定構造。
[3] 前記固定部材(9)には、前記保護カバー(14)に係止する係止部(9a)が設けられ、
前記保護カバー(14)が、前記係止部(9a)に対して着脱可能に構成されている上記[2]に記載の電気接続部の固定構造。
[4] 上記[1]ないし[3]のいずれか一項に記載の電気接続部の固定構造によって他の電気接続部と接続されるコネクタ。
[5] 上記[4]に記載のコネクタを用いたコネクタの接続方法であって、
電線の長手方向の中間部側に環状部材(8)をスライドさせることによって送電側同軸ケーブルシールド(11)を撓ませるとともに同軸コネクタ(3)を突出させ、
シールド筐体(51a)の中継コネクタ(41)に前記シールドされた送電側同軸ケーブル(22)の同軸コネクタ(3)を嵌合して機械的且つ電気的に接続し、
前記環状部材(8)を前記シールドされた送電側同軸ケーブル(22)の同軸コネクタ(3)の端部側にスライドさせることによって前記送電側同軸ケーブルシールド(11)を初期の形状に復元させ、
前記シールド筐体(51a)に前記固定部材(9)を機械的且つ電気的に接続して固定するコネクタの接続方法。
本発明は、コネクタに係り、特に、内側シールド層と外側シールド層を有する2層構造の同軸線のコネクタに関する。
[6] 内側シールド層(303)と外側シールド層(305)を有する2層構造の同軸線(380)を同軸構造を維持して接続するケーブル側コネクタ(350)と、前記ケーブル側コネクタ(350)と同軸構造を維持しつつ接続されるとともにシールド構造を有するユニットに接続されるユニット側コネクタ(340)とを有するコネクタであって、
前記ユニット側コネクタ(340)は、前記外側シールド層(305)を導通させて外側シールドケース(391)に接続するとともに、前記ケーブル側コネクタ(350)と接続する外側ユニット側コネクタ(360)と、
前記内側シールド層(303)を導通させて内側シールドケース(392)に接続するとともに、前記外側ユニット側コネクタ(360)と接続し、かつ前記内側シールドケース(392)内に配置される内部機器に前記同軸線(380)の同軸線内部導体(301)と導通するように接続可能である内側ユニット側コネクタ(370)と、を有する
コネクタ。
本発明は、コネクタに係り、特に、内側シールド層と外側シールド層を有する2層構造の同軸線のコネクタに関する。
[7] 内側シールド層(403)と外側シールド層(405)を有する2層構造の同軸線(480)を同軸構造を維持して接続するケーブル側コネクタ(450)と、前記ケーブル側コネクタ(450)と同軸構造を維持しつつ接続されるとともにシールド構造を有するユニットに接続されるユニット側コネクタ(440)とを有するコネクタであって、
前記ユニット側コネクタ(440)は、一方の端部が前記ケーブル側コネクタ(450)と接続し他方の端部が前記ユニットに接続される略円柱状のユニット側コネクタ本体(460)と、前記ユニット側コネクタ本体(460)の外周を覆って軸前後方向に移動可能に配置されるスライド部(470)と、を有し、
前記ユニット側コネクタ本体(460)は、前記同軸線(480)の前記内側シールド層(403)に導通する同軸線内部導体(401)を前記ユニットを覆う内側シールドケース(492)に導通させて固定されるように構成され、
前記スライド部(470)は、移動するときに前記ユニット側コネクタ本体(460)において前記同軸線(480)の前記外側シールド層(405)と導通された中間導体(415)と導通する中間導体(423)を有するとともに、前記中間導体(423)を前記内側シールドケース(492)の外側に配置される外側シールドケース(491)に導通させて固定されるように構成されている
コネクタ。
2 コネクタ固定装置(電気接続部の固定構造)
3 同軸コネクタ(シールドされた電線の電気接続部)
8 環状部材
9 固定部材
9a 係止部
11 送電側同軸ケーブルシールド(シールド部材)
14 保護カバー
22 送電側同軸ケーブル(電線)
41 中継コネクタ(シールド筐体の電気接続部)
51a シールド筐体
301 同軸線内部導体
302 同軸線内部絶縁体
303 同軸線中間導体
304 同軸線外部絶縁体
305 同軸線外部導体
306 同軸線シース
307、313、322 内部導体
308、314、323 内部絶縁体
309、315、324 中間導体
310、316 外部絶縁体
311、317 外部導体
312、318、325 ハウジング
319 防水リング
320 内部導体用留めナット
321 中間導体用留めナット
326 内部導体接続体
327 中間導体接続体
329 絶縁板
340 ユニット側コネクタ
350 ケーブル側コネクタ
360 外側ユニット側コネクタ
361、362、374、375 雄ネジ
363 ロック溝
370 内側ユニット側コネクタ
371 嵌合部
372 雌ネジ
373 ロック片
380 同軸線
390 シールドケース
391 外側シールドケース
392 内側シールドケース
399 接続構造
401 同軸線内部導体
402 同軸線内部絶縁体
403 同軸線中間導体
404 同軸線外部絶縁体
405 同軸線外部導体
406 同軸線シース
407、413 内部導体
408、414 内部絶縁体
409 中間導体
410、416、424 外部絶縁体
411、417 外部導体
412、418 ハウジング
415 中間導体(本体側中間導体)
419 防水リング
420 内部導体用留めナット
421 中間導体用留めナット
422 ハウジングスライド面
423 中間導体(スライド側中間導体)
425、462 雄ネジ
426 内部導体接続体
427 中間導体接続体
428 スライド嵌合部
429 固定用突起
440、440a ユニット側コネクタ
450 ケーブル側コネクタ
460 ユニット側コネクタ本体
470 スライドユニット
480 同軸線
490 シールドケース
491 外側シールドケース
492 内側シールドケース
493 取り付け穴
499 接続構造
Claims (7)
- シールド筐体の電気接続部に、シールドされた電線の電気接続部を接続して固定する電気接続部の固定構造であって、
前記シールドされた電線の電気接続部の外周面に沿ってスライド自在に設けられる電気絶縁性の環状部材と、
前記環状部材の外周面に設けられ且つ前記シールド筐体に固定される導電性の固定部材と、
前記電線を被覆するとともに前記固定部材に機械的且つ電気的に接続されるシールド部材と、を備え、
前記シールド部材が、前記環状部材のスライドに伴って撓み変形される電気接続部の固定構造。 - 前記固定部材には、電気絶縁性と防水性とを有する保護カバーが設けられ、
前記保護カバーが、前記環状部材のスライドに伴って撓み変形される請求項1に記載の電気接続部の固定構造。 - 前記固定部材には、前記保護カバーに係止する係止部が設けられ、
前記保護カバーが、前記係止部に対して着脱可能に構成されている請求項2に記載の電気接続部の固定構造。 - 請求項1ないし請求項3のいずれか一項に記載の電気接続部の固定構造によって他の電気接続部と接続されるコネクタ。
- 請求項4に記載のコネクタを用いたコネクタの接続方法であって、
電線の長手方向の中間部側に環状部材をスライドさせることによってシールド部材を撓ませるとともに電気接続部を突出させ、
シールド筐体の電気接続部に前記シールドされた電線の電気接続部を嵌合して機械的且つ電気的に接続し、
前記環状部材を前記シールドされた電線の電気接続部の端部側にスライドさせることによって前記シールド部材を初期の形状に復元させ、
前記シールド筐体に前記固定部材を機械的且つ電気的に接続して固定するコネクタの接続方法。 - 内側シールド層と外側シールド層を有する2層構造の同軸線を同軸構造を維持して接続するケーブル側コネクタと、前記ケーブル側コネクタと同軸構造を維持しつつ接続されるとともにシールド構造を有するユニットに接続されるユニット側コネクタとを有するコネクタであって、
前記ユニット側コネクタは、前記外側シールド層を導通させて外側シールドケースに接続するとともに、前記ケーブル側コネクタと接続する外側コネクタと、
前記内側シールド層を導通させて内側シールドケースに接続するとともに、前記外側コネクタと接続し、かつ前記内側シールドケース内に配置される内部機器に前記同軸線の中心導体と導通するように接続可能である内側コネクタと、を有する
コネクタ。 - 内側シールド層と外側シールド層を有する2層構造の同軸線を同軸構造を維持して接続するケーブル側コネクタと、前記ケーブル側コネクタと同軸構造を維持しつつ接続されるとともにシールド構造を有するユニットに接続されるユニット側コネクタとを有するコネクタであって、
前記ユニット側コネクタは、一方の端部が前記ケーブル側コネクタと接続し他方の端部が前記ユニットに接続される略円柱状のコネクタ本体と、前記コネクタ本体の外周を覆って軸前後方向に移動可能に配置されるスライド部と、を有し、
前記コネクタ本体は、前記同軸線の前記内側シールド層に導通する内部導体を前記ユニットを覆う内側シールドケースに導通させて固定されるように構成され、
前記スライド部は、移動するときに前記コネクタ本体において前記同軸線の前記外側シールド層と導通された本体側中間導体と導通するスライド側中間導体を有するとともに、前記スライド側中間導体を前記内側シールドケースの外側に配置される外側シールドケースに導通させて固定されるように構成されている
コネクタ。
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KR1020147016217A KR20140091604A (ko) | 2011-12-13 | 2012-12-12 | 전기적 연결부를 고정하기 위한 구조, 커넥터 및 커넥터를 연결하는 방법 |
EP12857877.0A EP2793319B1 (en) | 2011-12-13 | 2012-12-12 | Structure for fixing electrical connection section, connector, and method for connecting connector |
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US14/301,833 US20140295703A1 (en) | 2011-12-13 | 2014-06-11 | Structure for fixing electrical connection section, connector, and method for connecting connector |
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JP2011271843A JP5802120B2 (ja) | 2011-12-13 | 2011-12-13 | 電気接続部の固定構造、コネクタ、コネクタの接続方法 |
JP2011-271843 | 2011-12-13 | ||
JP2012054437A JP5875903B2 (ja) | 2012-03-12 | 2012-03-12 | コネクタ |
JP2012-054402 | 2012-03-12 | ||
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JPWO2015097806A1 (ja) * | 2013-12-26 | 2017-03-23 | 三菱電機エンジニアリング株式会社 | 共振型電力伝送アンテナ装置 |
US10003128B2 (en) | 2013-12-26 | 2018-06-19 | Mitsubishi Electric Engineering Company, Limited | Resonant type power transmission antenna device |
WO2016035535A1 (ja) * | 2014-09-04 | 2016-03-10 | 株式会社オートネットワーク技術研究所 | ホルダ付電線 |
WO2020129188A1 (ja) * | 2018-12-19 | 2020-06-25 | 三菱電機株式会社 | ノイズ対策部品 |
JPWO2020129188A1 (ja) * | 2018-12-19 | 2021-02-18 | 三菱電機株式会社 | ノイズ対策部品 |
Also Published As
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EP2793319A4 (en) | 2015-11-11 |
CN103999297A (zh) | 2014-08-20 |
EP2793319B1 (en) | 2017-06-21 |
KR20140091604A (ko) | 2014-07-21 |
EP2793319A1 (en) | 2014-10-22 |
US20140295703A1 (en) | 2014-10-02 |
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