WO2016166819A1 - 多極コネクタ、コネクタ装置、ケースおよび多極コネクタへのケーブル接続方法 - Google Patents
多極コネクタ、コネクタ装置、ケースおよび多極コネクタへのケーブル接続方法 Download PDFInfo
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- WO2016166819A1 WO2016166819A1 PCT/JP2015/061502 JP2015061502W WO2016166819A1 WO 2016166819 A1 WO2016166819 A1 WO 2016166819A1 JP 2015061502 W JP2015061502 W JP 2015061502W WO 2016166819 A1 WO2016166819 A1 WO 2016166819A1
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/594—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures for shielded flat cable
- H01R12/598—Each conductor being individually surrounded by shield, e.g. multiple coaxial cables in flat structure
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/771—Details
- H01R12/775—Ground or shield arrangements
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/53—Fixed connections for rigid printed circuits or like structures connecting to cables except for flat or ribbon cables
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
- H01R12/707—Soldering or welding
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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
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
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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
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
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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
- 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
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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
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6463—Means for preventing cross-talk using twisted pairs of wires
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/04—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
Definitions
- the present invention relates to a multipolar connector, a connector device, a case, and a cable connection method to the multipolar connector, and more particularly to a connection structure between a cable and a connector.
- D-SUB D-subminiature
- micro D-SUB etc.
- D-SUB and micro D-SUB are a kind of widely used connector standards, and are widely used mainly for connecting computers and peripheral devices.
- the D-SUB and the micro D-SUB are configured such that pin contacts or socket contacts arranged in two to four rows are surrounded by a metal shield having a shape similar to the letter D of the alphabet.
- Patent Document 1 discloses a technique in which a side portion of a ground plate is deformed so as to be pressed against one side of a base insulator, and a plurality of ground contacts and a ground plate are brought into pressure contact.
- Patent Document 2 discloses a technique for connecting a shielded wire to a multipolar connector.
- Patent Document 2 discloses a structure in which a wire is first crimped on a connector contact and then inserted into a connector housing.
- Non-Patent Document 1 discloses a shield connection technique at a cable end.
- the jacket of the cable end is peeled off, and the ground wire is soldered to the exposed shield braid.
- Patent Document 1 is a structure in which the ground plate is sandwiched and held between the ground contact and the insulator, sufficient contact may not be obtained even with a slight deviation, and the shielding performance is sufficient. Not noise resistance.
- Patent Document 2 is a structure in which a wire is crimped on a contact and then inserted into a connector housing, and it is difficult to reduce the size.
- the contact shape of the multipolar connector is special, and high accuracy is required for molding the contact.
- Non-Patent Document 1 solder must be soldered to each external conductor, not only workability is bad, but also miniaturization is difficult, and shielding performance is not sufficient, Noise resistance was not enough.
- the present invention has been made in view of the above, and an object of the present invention is to obtain a multipolar connector that is small in size and simple in structure.
- the present invention provides a connector main body having a first end surface and a second end surface, and a plurality of contacts derived from being arranged on the first end surface of the connector main body
- the multipolar connector includes a ground plate, and an external conductor serving as a ground and a core serving as a signal line are insulated from each other by an inner jacket and are connected to a cable whose outer jacket is covered.
- the signal lines are respectively connected to a plurality of contacts, the shield lines are integrally connected on a ground plate, and the ground plate is connected to at least one of the plurality of contacts.
- FIG. 1 The perspective view which shows the connector apparatus of Embodiment 1.
- FIG. 3 is a cross-sectional view showing a coaxial cable used in the connector device according to the first embodiment, and is a cross-sectional view taken along the line AA in FIG.
- FIG. 4 is a cross-sectional view showing the coaxial cable used in the connector device of the first embodiment, and is a cross-sectional view taken along the line BB of FIG. 1 is an exploded perspective view of a connector device according to a first embodiment.
- FIG. 1 The perspective view which shows the multipolar connector of the connector apparatus of Embodiment 1.
- FIG. 1 A top view showing a connector device of a second embodiment
- FIG. 12 is a partially cutaway side view showing the connector device according to the second embodiment, and is a view showing a portion along the line CC in FIG.
- FIG. 22 is a cross-sectional explanatory view of the connector device of the fifth embodiment, corresponding to the EE cross section of FIG. FIG.
- FIG. 22 is a cross-sectional explanatory view of the connector device of the fifth embodiment, corresponding to the FF cross section of FIG. 21. Explanatory drawing which shows the inside of the connector apparatus of Embodiment 6.
- FIG. 25 is a cross-sectional explanatory view of the connector device of the sixth embodiment, corresponding to the GG cross section of FIG.
- FIG. 1 is a perspective view showing a connector device according to Embodiment 1 of the present invention.
- 2 is a top view showing the connector device of the first embodiment
- FIG. 3 is a partially cutaway side view showing the connector device of the first embodiment
- FIGS. 4 and 5 are sectional views showing the coaxial cable.
- FIG. 4 is a cross-sectional view taken along line AA in FIG. 2 and a cross-sectional view taken along line BB in FIG.
- the connector device 100 according to the first embodiment includes a connector body 10 having a first end surface 10T 1 and a second end surface 10T 2 facing each other, a plurality of cables 20 connected to the connector body 10, and a connector body 10 and a plurality of connectors.
- a case 30 having a back shell structure that accommodates a connection region with the cable 20.
- Connector apparatus of the first embodiment the ground and comprising an outer conductor of each coaxial cable 20 once integrally solder connected with the ground plate 12, the respective ground contacts 13G derived from the second end face 10T 2 of the connector body 10 while connected, by connecting the core wire a signal line to the signal line contact 13S, the first end surface 10T 1 remains connector body 10 of the alignment cable 20 is taken out as a ground contact 13G, and a signal line contact 13S be able to.
- the connecting part by solder connection is housed in a metal case with a shielding function, and it has excellent EMC performance with both a shielding function to ensure noise resistance and a back shell function to ensure mechanical strength.
- a connector device having a small back shell structure is configured.
- the multipolar connector DS ⁇ b> 1 includes a connector body 10, a ground plate 12 made of a copper plate, and a plurality of contacts 13.
- the connector device includes a multipolar connector including a connector main body 10 and a ground plate 12, a cable 20, and a case 30, as shown in FIG.
- FIG. 4 which is an enlarged cross-sectional view of the main part of the connection portion between the cable 20 and the connector main body 10
- the connector main body 10 is derived from the base 11 covered with a metal plate around the resin molded body.
- a plurality of contacts 13 are sealed in the resin molding body of the base 11 and are provided with four rows of contacts 13, and the other end constitutes an external contact 16.
- the contact 13 includes a signal line contact 13S connected to the signal line and a ground contact 13G connected to the ground.
- the external contact 16 is connected to a receptacle or plug contact which is a connection partner (not shown). Although not shown in FIG. 4, the external contact 16 is led out to the first end face 10T 1 side of the connector main body 10 and used as an external connection terminal, as shown in FIG. Further, the ground plate 12 is sandwiched and fixed in the case 30 in the assembly process shown in FIG. 6 and is not directly fixed to the case 30.
- the connector body 10 has a pair of mounting holes 14 on both sides of the base 11 so that screws can be inserted and fixed when the connector device is mounted on a wall surface or the like.
- the first end face 10T 1 side constitutes a terminal cylinder 15 and an external contact 16 is formed in the terminal cylinder 15.
- the cables 20 are arranged in two rows as shown in FIG. 4 shows an enlarged cross-sectional view including a connecting portion with the connector main body 10 in FIG. 4, and a core wire constituting a signal line as shown in FIG. 5 in an enlarged cross-sectional view of the cable 20 itself.
- Reference numeral 21 denotes a coaxial cable that is covered with an inner jacket 22, whose outer side is covered with a ground mesh 23 made of a metal mesh, and whose outer side is covered with an outer jacket 24.
- the ground mesh 23 is a braided wire that is a braided copper wire. Alternatively, the surface of the ground mesh 23 coated with solder may be used.
- the outer sheath 24 of the cable 20 is peeled and electrical connection is made.
- the jacket 24 is peeled off and the ground mesh 23 is exposed.
- the ground plate 12 and the solder layer 17 are connected in the first region R 1 .
- the ground mesh 23 of the cable 20 is connected to the ground plate 12 by the solder layer 17 and all have the same potential.
- the inner ground contact 13 G of the contact 13 is connected by the solder layer 17 at a position facing the ground mesh 23 of each cable 20, and is grounded via the ground plate 12.
- the mesh 23 and the ground contact 13G are electrically connected.
- the ground contact 13 ⁇ / b> G constitutes an external contact 16 as an external connection terminal in the second and third rows.
- the inner sheath 22 is further peeled away from the second region R 2 toward the connector body 10 side, and a third region R 3 where the core wire 21 is exposed is formed.
- the signal line contact 13S of the connector body 10 and the core wire 21 are connected by the solder layer 17.
- the signal line contact 13 ⁇ / b> S has a dish-shaped recess at the tip, and the core wire 21 is placed in the recess and is fixed by the solder layer 17.
- the case 30 includes a case main body 31 made of a stainless steel SUS plate and a lid 32 that matches the case main body 31.
- the case body 31 includes a bottom plate 31b and two side plates 31S that are erected on both sides from the bottom plate 31b.
- the case lid 32 includes a lid plate 32F and two lid-side plates 32S that are erected on both sides from the lid plate 32F. Then, two cover side plates 32S of the cover plate 32F are fitted from the outside of the two side plates 31S of the case main body 31 in a state where the connection portion between the connector main body 10 and the cable 20 is housed in the case main body 31.
- the connecting portion is connected to the case 30 via an electromagnetic interference preventing material 33 made of an electrically conductive mesh having elasticity fixed to a part of the case main body 31 and an electromagnetic interference preventing material 34 covering the case lid 32 side. Fixed. Further, electromagnetic interference prevention is achieved by closing the space between the case 30 and the cable 30 while inserting the cable 20 from the first region R 1 to the third region R 3 on the second end face 10T 2 side of the connector body 10. A material 35 is provided.
- the ground plate 12 is not fixed to the case main body 31, but is fixed to mounting holes 32h provided at both ends by screws 36 penetrating the case main body 31 and the case lid 32.
- FIG. 7 to 10 are views showing a method for manufacturing the connector device 100.
- the outer cover 24 and the inner cover 22 of the cable 20 are peeled, and the first region R 1 where the ground mesh 23 that is the outer conductor serving as the ground is exposed is located on the ground plate 12.
- the second region R 2 that is the tip of the ground contact 13G is located on the ground plate 12 so as to face the first region R 1 , and among the contacts 13, the third region R 3 that is the tip of the signal line contact 13S.
- connection portion a case body 31 and a case lid
- a base 11 configured by metal coating around a resin molded body, a ground plate 12 made of a copper plate, and a plurality of leads derived from the base 11
- a connector main body 10 having contacts 13 is prepared.
- the connector body 10 is molded by resin molding by mounting a lead frame having contacts 13 and external contacts 16 such as contact pins in a mold.
- the contacts 13 are sealed in the base 11 and include four rows of contacts 13, and the other end side constitutes an external contact 16.
- the external contact 16 is led out to the first end face 10T 1 side of the connector main body 10 and used as an external connection terminal, as shown in FIG.
- the ground contact 13G connected to the ground contact pin contacts the ground plate 12 and is connected by the solder layer 17.
- FIG. 8A is a partially broken perspective view of the entire connector device
- FIG. 8B is an enlarged perspective view of the main part of FIG. 8A, and details will be described with reference to FIGS. 4 and 8B.
- the jacket 24 is peeled off and the ground mesh 23 is exposed, and the ground plate 12 and the ground mesh 23 are exposed in the first region R 1.
- the solder layers 17 are connected.
- the ground mesh 23 of the lower-layer cable 20 is also connected to the ground plate 12.
- the inner ground contact 13 G of the contact 13 is connected by the solder layer 17 at a position facing the ground mesh 23 of each cable 20, and is grounded via the ground plate 12.
- the mesh 23 and the ground contact 13G are electrically connected.
- the inner sheath 22 is peeled off, and the signal line contact 13S and the signal line are connected in the third region R 3 where the core wire 21 is exposed.
- a certain core wire 21 is connected to the solder layer 17.
- These three regions may be connected by batch heating using a member plated with solder in advance, or may be connected by heating while supplying solder to each connection portion. In this way, connection is achieved by the solder layer 17 in the first region R 1 , the second region R 2 , and the third region R 3 .
- the connector body 10 connected to the cable 20 is mounted so that the ground plate 12 is placed on the case body 31 via the electromagnetic interference preventing material 33.
- the cable 20 is fixed in the case 30 by attaching the lid 32 and pressing the cable 20 inserted through the electromagnetic interference preventing material 35 so as to coincide with the case main body 31.
- the connection with the case 30 is sandwiched between the case body 31 and the lid body 32 with a structure in which the cable 20 and the connector body 10 are connected.
- the screw 12 penetrates the attachment holes 12h provided at both ends of the plate 12 and penetrates the attachment holes 32h of the case body 31 and the case lid 32.
- the connector device 100 formed in this way is simple in structure and easy to manufacture because the ground mesh 23 of the cable 20 is soldered to the ground plate 12 integrated with the ground pin of the micro D-SUB. . And without damaging the structure of the coaxial cable, the first region R 1, the second region R 2, it can be connected in the connection region and a third region R 3. That is, since the connection can be made while maintaining a constant distance between the signal line made of the core wire and the ground as the external conductor, transmission characteristics without distortion can be obtained.
- connection area can be reduced to about one-tenth of the size when connected by the connection method of Non-Patent Document 1, and can be reduced in size. And since the connection part of the connector main body 10 and the cable 20 is accommodated in the case, the connection of high EMC performance is realizable at low cost.
- Patent Document 1 only the communication performance of about several tens of Mbps (bit per second) can be obtained, but the connector device of Embodiment 1 can obtain the communication performance of about several Gbps.
- the mounting process is extremely easy because soldering is easily performed by performing heat treatment in a lump after alignment.
- the connector device of the present embodiment has the following features.
- a case 30 made of a conductor such as a metal case, thereby realizing a function of a shield case and a back shell function having mechanical strength.
- the external load is not applied to the soldered portion.
- a common ground plate 12 is provided as a structure in which a metal plate is soldered to the second row and the third row assigned to the ground.
- the ground plate 12 has a structure that ensures electrical continuity with the case 30 by being screw-fastened with a case 30 and a screw 36 formed of a metal case main body 31 and a case lid 32.
- a ground mesh 23 constituting the outer conductor of the cable 20 made of a coaxial cable is soldered to the ground plate 12.
- the core wire 21 is soldered to the signal line contacts 13S in the first row and the fourth row of the micro D-SUB.
- the ground coupling state including the signal line which is the coaxial core wire 21 and the ground mesh 23 is maintained up to the connection portion of the external contact 16 with the external device, so that noise resistance is ensured.
- the cable 20 made of a coaxial cable is an electromagnetic interference preventing material 35 provided inside the case 30 and closes the second end face 10T 2 side, and further outside the outer conductor and the electromagnetic interference preventing materials 33 and 34. Shield performance is enhanced by holding the case 30 in contact.
- a coaxial cable is used as the cable 20.
- the present invention can be applied not only to the coaxial cable but also to a multi-core cable such as a pair or a twisted pair.
- the multipolar connector is not limited to the micro D-SUB, but can be applied to D-SUB or other multipolar connectors.
- case body 31 is made of a plate made of stainless steel, but a material such as metal or resin subjected to conductive processing can be used.
- the ground plate 12 is sandwiched and fixed in the case 30 and is not directly fixed to the case 30 in the assembly process shown in FIG. May be. Further, the shape of the ground plate 12 can be changed as appropriate.
- the electromagnetic interference preventing materials 33, 34, and 35 are effective for improving EMC performance, but are not necessarily essential, and may not have an electromagnetic interference preventing action at the position where each member is present. The case may be omitted. Further, it is effective to dispose the electromagnetic interference preventing materials 33, 34 and 35 as close as possible to the connection region between the cable 20 and the contact 13 of the connector main body 10.
- FIG. FIG. 11 is a perspective view showing a connector device according to Embodiment 2 of the present invention.
- 12 is a top view showing the connector device according to the second embodiment, and
- FIG. 13 is a partially cutaway side view showing the connector device according to the second embodiment, showing a portion along the line CC in FIG. FIG.
- the connector device 100S of the second embodiment is different from the first embodiment in that the case main body 31 and the case lid 32 are formed of elastic leaf springs, and are formed on the case main body 31 and the case lid 32.
- Two cut-and-raised pieces 38 cut and raised inward from the cut-outs 37 are provided, the cable 20 is pressed and fixed from the first and second main surfaces 30A and 30B facing each other of the case 30, and fixed.
- the cut and raised piece 38 has a shape to be wound inside so that a shielding property is improved.
- the connector main body 10 provided with the first and second end faces 10T 1 and 10T 2 facing each other, and a plurality of cables connected to the connector main body 10 20 and a case 30 having a back shell structure that accommodates a connection region between the connector main body 10 and the plurality of cables 20.
- the end surface of the case 30 may be shielded while the cable 20 is fixed by a cut and raised piece (not shown), as in the first embodiment.
- the connector device 100S of the second embodiment is cut and raised inward from the notches 37 formed in the case main body 31 and the case lid 32, respectively.
- the two cut-and-raised pieces 38 are provided, the cable 20 is pressed and fixed from the first and second main surfaces 30A and 30B facing each other of the case 30, and the cut-and-raised pieces 38 are shown in FIG.
- the connector device 100S of the second embodiment has an EMC performance without using an electromagnetic interference prevention material and without increasing the number of parts. There is an effect that it is possible to improve.
- the electromagnetic interference preventing materials 33, 34, and 35 can be used together, and the EMC performance can be improved by the combined use.
- FIG. 14 shows a top view showing the connector device 100P
- FIG. 15 shows a partially broken side view showing the connector device. May be sandwiched between the cut and raised pieces 38 to block the cable lead-out portion.
- the connector device 100P according to the modified example can further improve the EMC performance in addition to the connector device 100S of the second embodiment.
- the cut-and-raised piece 38 is wound around the outside of the electrical connection region of the connector main body 10 with the cable 20, and the cut-and-raised piece from the case main body and the lid body. 38, the cable 20 is pressed from both sides.
- the EMC performance is higher.
- the connector device 100P of the modified example is not only press-contacted by the cut and raised piece 38, but also the solder layer 17 is poured between the cut and raised piece 38 and the cable 20, so that in addition to a reliable connection, a further sealing structure is provided. It has gained. Moreover, since it is sealed with a conductive member, the magnetic shielding properties are further improved and the EMC performance is extremely high.
- case main body 31 and the case lid 32 are made of an elastic body, and have a structure that further improves the shielding performance on the opening side of the case by a cut and raised piece (not shown).
- FIG. 16 is a cross-sectional view showing a shielded twisted cable
- FIG. 17 is a view showing a connecting portion between the connector body 10 and the cable 20T.
- FIG. 16 is a view corresponding to the section DD in FIG.
- the connector device 100T of the third embodiment is different from that of the first embodiment in that the cable 20T has inner sheaths 22a and 22b around the two core wires 21a and 21b, respectively, as shown in the enlarged sectional view of FIG. 22b, and the outer side is covered with a ground mesh 23, and the outermost layer is covered with a jacket 24, which is a twisted pair cable called a so-called twisted pair structure. It is two points with the connection structure with 13G.
- the ground contact pins 13GP which are the ground contacts of the connector main body 10 are placed on the ground plate 12, and further between the ground mesh 23 of the twisted pair cable 20T.
- the ground plate 12 is sandwiched between and connected by a solder layer 17.
- the core wires 21a and 21b are connected to the signal line contacts 13S, respectively.
- a thin ground contact pin 13GP is connected to the ground plate 12 with a solder layer 17.
- the connector main body 10 having the first end surface and the second end surfaces 10T 1 and 10T 2 facing each other, and a plurality of connectors connected to the connector main body 10 are used. It has a cable 20T, and a case 30 having a back shell structure that accommodates a connection region between the connector main body 10 and the plurality of cables 20T.
- the connector device 100T of the third embodiment with the above configuration, even when the cable 20T made of a twisted pair cable is connected, the connector device 100T can be mounted with a small and compact structure, and the core wire of the cable 20T made of a twisted pair cable. And can be connected without greatly changing the distance of the ground. Further, in addition to the effect of the connector device 100 of the first embodiment, the ground contact pin 13GP of the connector body 10 is connected to the ground mesh 23 of the twisted pair cable with the ground plate 12 being sandwiched between them, so that the contact is good. The ground contact pins 13GP, the ground mesh 23, and the ground plate 12 can be surely brought into pressure contact with each other, and the solder layer 17 is poured therebetween. For this reason, in addition to a reliable connection, a favorable seal structure can be obtained. Since it is sealed with a conductive member, it has a high magnetic shielding property and a high magnetic interference prevention effect.
- the ground plate 12 By configuring the ground plate 12 with a flexible thin conductor such as metal foil, the ground plate 12 is sandwiched between the ground contact pin 13GP and the ground mesh 23 that is the shield wire of the cable 20T. It is also effective to have a shape that closes the second end face 10T 2 side of the base 11.
- the ground plate 12 is formed of a conductive elastic body, so that the ground plate 12 is sandwiched between the ground contact pin 13GP and the ground mesh 23 which is an external conductor serving as a ground, and has an uneven portion due to elastic deformation.
- it is also effective to have a shape that closes the second end face 10T 2 side of the base 11.
- the connector device 100T according to the third embodiment can suppress interference with the signal line contact 13S by the ground contact pin 13GP extending on the ground plate 12, any contact can be assigned to the ground contact.
- FIG. FIG. 18 is an explanatory diagram showing the inside of the connector device of the fourth embodiment
- FIG. 19 is an explanatory diagram showing a ground plate of the connector device of the fourth embodiment.
- the difference between the connector device 100U of the fourth embodiment and the connector device 100T of the third embodiment is that the ground plate 12 has a comb structure. As shown in FIG. 19, the ground plate 12 of the present embodiment has comb-like protrusions 12S formed for every other cable, and the connection portion with the ground contact 13G is connected to the signal line contact 13S. Are alternately arranged with the connecting portions.
- the comb-shaped protrusions 12S provided on the ground plate can be connected at positions aligned with the signal line contacts 13S, any contact is assigned to the ground contact. be able to.
- the ground plate 12 is composed of a comb-like body having protrusions 12S formed intermittently, and a signal line covered with an inner jacket is disposed between the protrusions 12S.
- the formation position of the protrusion 12S does not need to be every other cable, and the tip position of the protrusion 12S can be selected as appropriate. If various ground plates having different formation positions and tip positions of the comb-shaped protrusions 12S are prepared, and a ground plate in which the comb-shaped protrusions 12S are formed corresponding to the contact positions assigned to the ground contacts is used. Good.
- the case main body 31 and the case lid 32 are formed of elastic leaf springs, and two cut-and-raised pieces cut and raised inside the case main body 31 and the case lid 32, respectively.
- a structure is provided in which the cable 20T is pressed and fixed from the first and second end face sides facing each other and fixed, and the cut-and-raised piece is wound inside as shown in FIG. I'm taking it.
- the case lid is omitted so that the inside can be seen.
- any structure of Embodiment 1, 2 may be taken and it can change suitably.
- fixing may be performed by pouring the solder layer 17 into the recess 12R.
- corrugation of the surface of a connection part can be eliminated, and in a modification, a connector apparatus with good sealing property and high commercial property can be obtained also from the surface of an electromagnetic interference prevention effect
- FIG. 21 is an explanatory view showing the inside of the connector device of the fifth embodiment.
- FIGS. 22 and 23 are cross-sectional explanatory views of the connector device of the fifth embodiment. It corresponds to a cross section.
- the connection portion between the cable 20 and the connector main body 10 and the outside of the connection portion are covered with two electromagnetic interference preventing materials 35i and 35o.
- the outer covering 24 of the cable 20 is peeled off, and the electromagnetic interference preventing material 35i on the inside that covers the space in the case 30 by sandwiching the cable 20 at the portion connected to the ground plate 12, and the outside thereof In this case, the cable 20 is sandwiched between the outer cover 24 and the outer electromagnetic interference preventing member 35o that covers the space in the case 30 in a band shape.
- Other parts are the same as those in the first embodiment.
- Embodiment 5 can obtain a connector device with higher EMC performance than the connector device 100 of Embodiment 1 by the above configuration.
- FIG. FIG. 24 is an explanatory view showing the inside of the connector device of the sixth embodiment
- FIG. 25 is a cross-sectional explanatory view of the connector device of the sixth embodiment, corresponding to the GG cross section of FIG.
- the connection portion between the cable 20 and the connector main body 10 and the outside of the connection portion are covered with two electromagnetic interference preventing materials 35i and 35o.
- the connector device 100W of the sixth embodiment has a foil-like shape.
- the electromagnetic interference prevention sheet 35F is adhered to the connection portion.
- the thin foil-like electromagnetic interference prevention sheet 35F when the foil-like electromagnetic interference prevention sheet 35F is mounted, the thin foil-like electromagnetic interference prevention sheet 35F is placed on the connection portion, and the inside is exhausted, thereby closely contacting.
- the connector device can be reduced in size and weight, and the connector device 100W having excellent EMC performance can be obtained.
- the ground plate may be made of a flexible conductor, and may be sandwiched between the ground contact and the ground mesh of the cable so as to close the second end face side of the base.
- the cable is not limited to the coaxial cable and the shielded twisted pair cable described in the embodiment, and various cables such as a pair cable and a twisted pair cable can be applied.
- the electromagnetic interference preventing materials in the respective embodiments can be appropriately combined according to the necessity such as replacement or combined use.
- various materials having conductivity such as a metal mesh, a metal foil, a conductor foil, and a conductive resin can be applied.
- the contact in the second row and the third row is the ground contact, but the contact in the second row and the third row may be shared and taken out. Further, the external contacts of the ground contacts do not necessarily match the number of cables, and the existence of a common part is also effective.
- the connection between the contact 13 and the cable 20 is performed by solder.
- solder the present invention is not limited to solder, and includes various solders such as low-temperature solder and conductive adhesives such as silver paste. Bonding methods such as bonding using ultrasonic welding and ultrasonic welding are also applicable. Further, when soldering by soldering, it is possible to perform jointing by heat treatment by forming a solder layer on one of the members to be joined, such as solder plating on the surface of the ground plate 12. Further, a method of supplying an appropriate amount of solder using a solder supply nozzle for each location and performing heat treatment is also applicable.
- the multipolar connector refers to the connector main body 10 including the ground plate 12
- the connector device refers to the connector main body 10 with the cables 20, 20T and the case 30 attached thereto.
- the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.
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Abstract
Description
図1は、本発明の実施の形態1に係るコネクタ装置を示す斜視図である。図2は、実施の形態1のコネクタ装置を示す上面図、図3は、実施の形態1のコネクタ装置を示す一部破断側面図、図4および図5は、同軸ケーブルを示す断面図であり、図2のA-A断面図および図3のB-B断面図である。実施の形態1のコネクタ装置100は、相対向する第1端面10T1および第2端面10T2を備えたコネクタ本体10と、コネクタ本体10に接続される複数のケーブル20と、コネクタ本体10と複数のケーブル20との接続領域を収容するバックシェル構造のケース30とを有する。実施の形態1のコネクタ装置は、各同軸ケーブル20のグランドとなる外部導体をグランドプレート12で一旦一体的にはんだ接続し、コネクタ本体10の第2端面10T2から導出された各グランドコンタクト13Gに接続する一方で、信号線となる心線を信号線コンタクト13Sに接続することで、ケーブル20を整列状態のままコネクタ本体10の第1端面10T1に、グランドコンタクト13Gおよび信号線コンタクト13Sとして取り出すことができる。そして、はんだ接続による接続部分が、シールド機能を備えた金属製のケースに収納され、耐ノイズ性を確保するシールド機能と、機械的強度を確保するバックシェル機能を合わせ持ったEMC性能に優れた小型のバックシェル構造のコネクタ装置を構成する。
(1)コネクタ本体10とケーブル20との配線接続部を金属ケースなどの導体からなるケース30で覆い、シールドケースの機能と、機械的強度を持つバックシェル機能を実現する。
(2)上記のケース30により、はんだ付け部に外部からの負荷がかからない。
(3)4列あるマイクロD-SUBコンタクトのうち、グランドにアサインされる2列目、3列目に金属板をはんだ付けした構造として、共通のグランドプレート12を設ける。
(4)上記グランドプレート12は、金属製のケース本体31及びケース蓋体32からなるケース30とビス36で、ねじ締結されることにより、ケース30とも導通を確保する構造である。
(5)上記グランドプレート12に、同軸ケーブルからなるケーブル20の外部導体を構成するグランドメッシュ23をはんだ付けする。また、心線21はマイクロD-SUBの1列目、4列目の信号線コンタクト13Sにはんだ付けする。これにより、外部コンタクト16における外部機器との接続部まで同軸の心線21である信号線とグランドメッシュ23を含むグランドのカップリング状態が保たれるので、耐ノイズ性が確保される。
(6)同軸ケーブルからなるケーブル20はケース30内部に設けた電磁干渉防止材35で、第2端面10T2側を塞ぐとともに、さらにその外側を、電磁干渉防止材33,34からなる外部導体とケース30を接触させて保持することにより、シールド性能を高める。
図11は、本発明の実施の形態2に係るコネクタ装置を示す斜視図である。図12は、実施の形態2のコネクタ装置を示す上面図、図13は、実施の形態2のコネクタ装置を示す一部破断側面図であり、図11のC-C線に沿った部分を示す図である。
次に実施の形態3のコネクタ装置について説明する。実施の形態1ではケーブル20が同軸ケーブルである場合について説明したが、実施の形態3では、ケーブル20Tがシールド付きツイストケーブルである場合について説明する。図16は、シールド付きツイストケーブルを示す断面図であり、図17は、コネクタ本体10とケーブル20Tとの接続部分を示す図である。図16は、図17のD-D断面に相当する図である。
図18は、実施の形態4のコネクタ装置の内部を示す説明図、図19は、実施の形態4のコネクタ装置のグランドプレートを示す説明図である。
図21は、実施の形態5のコネクタ装置の内部を示す説明図、図22および図23は、実施の形態5のコネクタ装置の断面説明図であり、図21のE-E断面およびF-F断面に相当する。実施の形態5のコネクタ装置100Vはケーブル20とコネクタ本体10との接続部分および接続部分の外側を2つの電磁干渉防止材35i,35oで被覆したものである。
図24は、実施の形態6のコネクタ装置の内部を示す説明図、図25は、実施の形態6のコネクタ装置の断面説明図であり、図24のG-G断面に相当する。実施の形態5ではケーブル20とコネクタ本体10との接続部分および接続部分の外側を2つの電磁干渉防止材35i,35oで被覆したのに対し、実施の形態6のコネクタ装置100Wは、フォイル状の電磁干渉防止シート35Fを接続部分に密着させたものである。
Claims (20)
- 第1端面および第2端面を備えたコネクタ本体と
前記コネクタ本体の前記第1端面に配列して導出された複数のコンタクトと、
前記コネクタ本体の前記第2端面側に配されるグランドプレートとを備え、
グランドとなる外部導体と信号線となる心線とが、内被で互いに絶縁され、外側を外被で被覆されたケーブルに接続される多極コネクタであって、
前記信号線が、それぞれ前記複数のコンタクトに接続されるとともに、
前記外部導体が前記グランドプレート上で一体接続され、前記グランドプレートが、前記複数のコンタクトの少なくとも一つに接続されることを特徴とする多極コネクタ。 - 前記コネクタ本体は、複数列に配列された導体からなるコンタクトが埋め込まれた絶縁性のベースと、前記第1端面および第2端面に露呈し、前記第2端面から導出され、前記信号線に接続される信号線コンタクトと、前記第2端面から導出され、グランドプレートに接続されるグランドコンタクトとを備えたことを特徴とする請求項1に記載の多極コネクタ。
- 前記複数のコンタクトは、前記グランドプレート上で、前記外部導体に対向して配列されたグランドコンタクトを含み、
前記外部導体および前記グランドコンタクトは、前記グランドプレートではんだ接続されることを特徴とする請求項1または2に記載の多極コネクタ。 - 前記グランドコンタクトは、前記内被で被覆された隣り合う前記信号線の間を前記グランドプレート上まで伸長し、前記グランドプレートに接続されることを特徴とする請求項3に記載の多極コネクタ。
- 前記グランドプレートは、間欠的に形成された突出部を有する櫛歯状体で構成されており、前記突出部間に、前記内被で被覆される信号線が配されることを特徴とする請求項3に記載の多極コネクタ。
- 前記グランドプレートは、前記ケーブルの配列に従い、前記コネクタ本体の前記第2端面に直交する第1主面側から、前記ケーブルの径に符合する凹部を備え、前記凹部内に前記外部導体が収納され、はんだが埋め込まれることを特徴とする請求項3に記載の多極コネクタ。
- 前記グランドプレートの両面に前記外部導体が接続されることを特徴とする請求項1から6のいずれか1項に記載の多極コネクタ。
- 前記グランドプレートと前記外部導体およびグランドコンタクトとの接続領域よりも前記第2端面側に前記第2端面を塞ぐ電磁干渉防止材を備えたことを特徴とする請求項1から7のいずれか1項に記載の多極コネクタ。
- 前記グランドプレートと前記外部導体およびグランドコンタクトとの接続領域の外側に密着して覆う外部導体を備えたことを特徴とする請求項1から7のいずれか1項に記載の多極コネクタ。
- 第1端面および第2端面を備えたコネクタ本体と、
前記コネクタ本体の前記第1端面に配列して導出された複数のコンタクトと、
前記コネクタ本体の前記第2端面側に配されるグランドプレートと、
グランドとなる外部導体と信号線となる心線とが、内被で互いに絶縁され、外側を外被で被覆された複数のケーブルと、
前記信号線が、それぞれ前記複数のコンタクトに接続されるとともに、
前記外部導体が前記グランドプレート上で一体接続され、前記グランドプレートが、前記複数のコンタクトの少なくとも一つに接続される、接続領域を備え、
前記グランドプレートおよび前記複数のコンタクトと、前記ケーブルの先端との接続領域を収容するケースと、
を備えたことを特徴とするコネクタ装置。 - 前記コネクタ本体は、複数列に配列された導体からなるコンタクトが埋め込まれた絶縁性のベースと、前記第1端面および第2端面に露呈し、前記第2端面から導出され、前記ケーブルに接続される信号線コンタクトと、前記第2端面から導出され、グランドプレートに接続されるグランドコンタクトとを備えたことを特徴とする請求項10に記載のコネクタ装置。
- 前記複数のコンタクトは、前記グランドプレート上で、前記外部導体に対向して配列されたグランドコンタクトを含み、
前記外部導体および前記グランドコンタクトは、前記グランドプレートではんだ接続されたことを特徴とする請求項10または11に記載のコネクタ装置。 - 前記グランドコンタクトは、内被で被覆された隣り合う前記信号線の間を前記グランドプレート上まで伸長し、前記グランドプレートに接続されたことを特徴とする請求項12に記載のコネクタ装置。
- 前記グランドプレートは、間欠的に形成された突出部を有する櫛歯状体で構成されており、前記突出部間に、前記内被で被覆された信号線が配されたことを特徴とする請求項12に記載のコネクタ装置。
- 前記グランドプレートは、前記ケーブルの配列に従い、前記コネクタ本体の前記第2端面に直交する第1主面側から、前記ケーブルに符合する凹部を備え、前記凹部内に前記外部導体が収納され、はんだが埋め込まれたことを特徴とする請求項12に記載のコネクタ装置。
- 前記グランドプレートの両面に前記外部導体が接続されたことを特徴とする請求項10から15のいずれか1項に記載のコネクタ装置。
- 前記グランドプレートと前記外部導体およびグランドコンタクトとの接続領域よりも前記第2端面側に前記第2端面を塞ぐ電磁干渉防止材を備えたことを特徴とする請求項10から16のいずれか1項に記載のコネクタ装置。
- 前記グランドプレートと前記外部導体およびグランドコンタクトとの接続領域の外側に密着して覆う外部導体を備えたことを特徴とする請求項10から16のいずれか1項に記載のコネクタ装置。
- 断面コの字状の導電板で構成されたケース本体と、
前記ケース本体に符合するケース蓋体とを備えたケースであって、
第1端面および第2端面を備えたコネクタ本体と、
前記コネクタ本体の前記第1端面に配列して導出された複数のコンタクトと、
前記コネクタ本体の前記第2端面側に配されるグランドプレートとを備えた多極コネクタに、
グランドとなる外部導体と信号線となる心線とが、内被で互いに絶縁され、外側を外被で被覆された複数のケーブルと、
前記信号線が、それぞれ前記複数のコンタクトに接続されるとともに、
前記外部導体が前記グランドプレート上で一体接続され、前記グランドプレートが、前記複数のコンタクトの少なくとも一つに接続される、接続領域を備え、
前記グランドプレートおよび前記複数のコンタクトと、前記ケーブルの先端との前記接続領域を収容することを特徴とするケース。 - 第1端面および第2端面を備えたコネクタ本体と、
前記コネクタ本体の前記第1端面に配列して導出された複数のコンタクトと、
前記コネクタ本体の前記第2端面側に配されるグランドプレートとを備えた多極コネクタに、
グランドとなる外部導体と、前記複数のコンタクトの一つに接続される信号線となる心線とが、内被で互いに絶縁され、外側を外被で被覆されて構成された、複数のケーブルを、先端から一定距離の外被を剥離し、前記シールド線が露呈する第1領域が前記グランドプレート上に位置し、前記コンタクトのうち、グランドコンタクトの先端である第2領域が前記グランドプレート上で前記第1領域に対向して位置し、前記グランドコンタクトのうち、信号線コンタクトの先端である第3領域が、前記信号線と当接するように、位置合わせをし、前記複数のケーブルを前記多極コネクタに一括してはんだ接続して接続部を形成する工程と、
ケース本体とケース蓋体で前記接続部を電磁干渉防止材で覆うように、固定する工程とを含む、多極コネクタへのケーブル接続方法。
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US15/560,045 US20180076551A1 (en) | 2015-04-14 | 2015-04-14 | Multipole connector, connector device, case, and method for connecting cable to multipole connector |
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2015
- 2015-04-14 WO PCT/JP2015/061502 patent/WO2016166819A1/ja active Application Filing
- 2015-04-14 JP JP2017512498A patent/JP6320629B2/ja active Active
- 2015-04-14 EP EP15889157.2A patent/EP3285338A4/en not_active Withdrawn
- 2015-04-14 CA CA2982473A patent/CA2982473A1/en not_active Abandoned
- 2015-04-14 US US15/560,045 patent/US20180076551A1/en not_active Abandoned
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JP2010205604A (ja) * | 2009-03-04 | 2010-09-16 | I-Pex Co Ltd | 電気コネクタ |
Also Published As
Publication number | Publication date |
---|---|
EP3285338A1 (en) | 2018-02-21 |
JP6320629B2 (ja) | 2018-05-09 |
JPWO2016166819A1 (ja) | 2017-06-29 |
EP3285338A4 (en) | 2018-11-14 |
CA2982473A1 (en) | 2016-10-20 |
US20180076551A1 (en) | 2018-03-15 |
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