WO2022137663A1 - 多極コネクタ - Google Patents
多極コネクタ Download PDFInfo
- Publication number
- WO2022137663A1 WO2022137663A1 PCT/JP2021/032994 JP2021032994W WO2022137663A1 WO 2022137663 A1 WO2022137663 A1 WO 2022137663A1 JP 2021032994 W JP2021032994 W JP 2021032994W WO 2022137663 A1 WO2022137663 A1 WO 2022137663A1
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- WO
- WIPO (PCT)
- Prior art keywords
- ground conductor
- external terminal
- terminal
- connector
- pole connector
- Prior art date
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- 230000005405 multipole Effects 0.000 title claims abstract description 50
- 239000004020 conductor Substances 0.000 claims abstract description 101
- 239000000758 substrate Substances 0.000 claims description 30
- 230000004048 modification Effects 0.000 description 14
- 238000012986 modification Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 229910000906 Bronze Inorganic materials 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 239000010974 bronze Substances 0.000 description 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 5
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
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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
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
-
- 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
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
-
- 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
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
-
- 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
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- 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
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- 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
Definitions
- the present invention relates to a multi-pole connector.
- the multi-pole connector set described in Patent Document 1 includes a first connector having a first internal terminal and a first external terminal, and a second connector having a second internal terminal and a second external terminal.
- first connector and the second connector When the first connector and the second connector are combined, the first internal terminal and the second internal terminal are connected to each other, and the first external terminal and the second external terminal are connected to each other.
- the multi-pole connector set described in Patent Document 1 still has room for improvement in terms of suppressing noise leakage.
- the present invention provides a multi-pole connector that suppresses noise leakage.
- the multi-pole connector of the present invention is a multi-pole connector mounted on a board having a mounting surface, and includes a plurality of internal terminals, an external terminal arranged so as to surround the plurality of internal terminals, and the external terminal.
- An insulating member to be held and a ground conductor electrically connected to the ground potential of the substrate are provided, and a gap is formed in the external terminal to expose the outer surface of the insulating member. When viewed from the outer surface side, it is arranged so as to overlap the gap formed in the external terminal.
- An exploded perspective view of the first connector in FIG. A perspective view in which the insulating member of the first connector in FIG. 1 is omitted.
- AA sectional view of the first connector of FIG. A perspective view showing the structure of the insulating resin of the first connector of FIG.
- Sectional drawing which shows the 1st connector which has the ground conductor of the modification 1.
- Perspective view of the ground conductor of FIG. Perspective view and front view of the first extending portion of the ground conductor of Modification 2.
- a multi-pole connector mounted on a board having a mounting surface, the plurality of internal terminals, an external terminal arranged so as to surround the plurality of internal terminals, and the external terminal.
- An insulating member for holding the terminal and a ground conductor electrically connected to the ground potential of the substrate are provided, and a gap is formed in the external terminal to expose the outer surface of the insulating member, and the ground conductor is formed.
- the ground conductor is in a first direction intersecting the ground connection portion connected to the ground potential of the substrate and the mounting surface of the substrate with respect to the ground connection portion.
- the multi-pole connector according to the first aspect is provided with a first extending portion and an extending portion.
- the noise from the internal terminal can be efficiently absorbed by the first extending portion.
- Noise can be absorbed by the first extending portion and released from the ground connecting portion to the ground potential, and the effect of suppressing noise leakage can be improved.
- the ground connection portion of the ground conductor is arranged so as to pass through the gap of the external terminal.
- the extending portion of the ground conductor provides the multi-pole connector according to the second or third aspect, which is embedded in the insulating member.
- the first extending portion of the ground conductor is surrounded by an insulating member having a high dielectric constant. Therefore, the first extending portion is more likely to absorb noise, and the effect of suppressing noise leakage can be improved.
- the ground conductor has a second extending portion extending in a second direction intersecting the first direction from the tip of the first extending portion, from the second aspect to the second aspect.
- the multi-pole connector according to any one of the four aspects is provided.
- the multi-pole connector according to any one of the second to fifth aspects, wherein the width of the first extending portion of the ground conductor is larger than the width of the gap. I will provide a.
- the effect of suppressing noise leakage from the gap between the external terminals can be further improved.
- the length of the ground conductor is one of the first to sixth aspects, which is 1/4 or less of the wavelength of the signal output from the plurality of internal terminals.
- the multi-pole connector described in the above is provided.
- the external terminal has a shape having a long side and a short side when viewed from a direction perpendicular to the mounting surface of the substrate, and the plurality of internal terminals are said.
- the multipolar connector according to any one of the first to seventh aspects, which has a plurality of first internal terminals arranged along the direction in which the long side of the external terminal extends.
- a plurality of internal terminals can be efficiently arranged.
- the gap provides the multi-pole connector according to the eighth aspect, which is formed at the end of the long side of the external terminal.
- the ground conductor can be arranged in a place where noise is likely to leak, and the effect of suppressing noise leakage can be improved.
- the plurality of internal terminals have a second internal terminal as a signal terminal at a position facing the short side of the external terminal in the long side direction.
- the multi-pole connector according to the ninth aspect is provided.
- the signal characteristics of the connector can be improved by arranging the signal terminals for high frequency signals.
- the ground conductor is arranged so that at least a part of the second internal terminal and the gap is overlapped with each other when viewed from the long side of the external terminal.
- the multi-pole connector according to the tenth aspect is provided.
- the noise derived from the second internal terminal can be easily absorbed by the ground conductor, and the signal characteristics can be improved.
- FIG. 1 is a perspective view showing the first connector 2 according to the first embodiment.
- FIG. 2 is a perspective view of the first connector 2 of FIG. 1 as viewed from another direction.
- FIG. 3 is an exploded perspective view of the first connector 2 of FIG.
- FIG. 4 is a perspective view in which the insulating member 12 of the first connector 2 of FIG. 1 is omitted.
- FIG. 5 is a perspective view seen from a direction perpendicular to the mounting surface M1 (see FIG. 6A) of the substrate, omitting the insulating member 12 of the first connector 2 of FIG.
- FIG. 6A is a sectional view taken along the line AA of the first connector 2 of FIG.
- FIG. 6B is a perspective view showing the structure of the insulating member 12 of the first connector 2 of FIG.
- FIG. 7A is a perspective view showing a second connector 4 fitted with the first connector 2 of FIG.
- FIG. 7B is an exploded perspective view of the second connector 4 of FIG. 7A.
- FIG. 8 is a perspective view showing a multi-pole connector set 6 composed of the first connector 2 of FIG. 1 and the second connector 4 of FIG. 7.
- the length direction (longitudinal direction) of the first connector 2 is the X direction
- the width direction (short direction) is the Y direction
- the height direction (vertical direction) orthogonal to the longitudinal direction and the short direction is the Z direction.
- the multi-pole connector set 6 shown in FIG. 8 is configured.
- the upper surface side (+ Z direction) in FIG. 1 is fitted with the second connector 4 described later, and the upper surface side ( ⁇ Z direction) in FIG. 2 is mounted on the mounting surface M1 (see FIG. 6A) of the substrate. Will be done.
- the first connector 2 includes a plurality of internal terminals 8, external terminals 10, an insulating member 12, and a ground conductor 14.
- the internal terminal 8 is a terminal mounted on a board (not shown) on which the first connector 2 is mounted. Each of the plurality of internal terminals 8 is fitted with the plurality of internal terminals 18 of the second connector 4, which will be described later, and electrically connected to each other.
- the internal terminal 8 has a first internal terminal 8A and a second internal terminal 8B.
- the plurality of first internal terminals 8A are arranged along the direction (X direction) in which the long side of the external terminal 10 extends. Specifically, each first internal terminal 8A extends from the inside to the outside of the multi-pole connector in a direction along the short side 10B of the external terminal 10, and a plurality of first internal terminals 8A are external terminals 10. Are arranged along the long side 10A of. In other words, each first internal terminal 8A is arranged so as to extend toward the long side 10A of the external terminal 10. In this embodiment, the first internal terminals 8A are arranged in two rows of five each. The plurality of first internal terminals 8A are electrically connected to a signal line of a substrate, a ground potential, or the like.
- Each of the first internal terminals 8A is formed of the same conductive material (for example, phosphor bronze). Due to the presence of a plurality of first internal terminals 8A, the first connector 2 is referred to as a "multipole" connector.
- the first internal terminal 8A is configured as a female terminal.
- the first internal terminal 8A has a concave portion 31 that fits with the convex portion 32 of the third internal terminal 18A shown in FIG. 7B.
- the second internal terminal 8B is a terminal provided at a position different from the row of the plurality of first internal terminals 8A.
- the second internal terminal 8B of the present embodiment is electrically connected to the signal line of the substrate and functions as a signal terminal.
- the second internal terminal 8B is arranged at a position (+ X side, ⁇ X side) facing the short side 10B of the external terminal 10.
- the second internal terminal 8B extends from the inside to the outside of the multi-pole connector in a direction along the long side 10A of the external terminal 10.
- the second internal terminal 8B is arranged so as to extend toward the short side 10B of the external terminal 10.
- the second internal terminal 8B may be partially embedded in the insulating member 12.
- one second internal terminal 8B is arranged at a position facing the two short sides of the external terminal 10.
- the second internal terminal 8B can be used, for example, as a signal terminal having a higher frequency (for example, 10 MHz or more) than the first internal terminal 8A.
- the second internal terminal 8B is formed of the same conductive material as the first internal terminal (for example, phosphor bronze).
- the external terminal 10 is a terminal that is fitted with the external terminal 20 of the second connector 4 described later and electrically connected.
- the external terminal 10 is a ground terminal connected to a ground potential of a substrate (not shown) or the like.
- the external terminal 10 is arranged so as to surround the internal terminal 8 and functions as a shield that absorbs noise from the internal terminal 8 and releases it to the ground potential.
- the external terminal 10 is configured as a male type terminal and is fitted with the external terminal 20 of the second connector 4 which is a female type terminal.
- the external terminal 10 has a shape having a long side 10A and a short side 10B when viewed from the height direction (Z direction).
- the long side 10A forms the side wall on the long side of the first connector 2
- the short side 10B constitutes the side wall on the short side of the first connector 2.
- the external terminal 10 has two long sides 10A facing each other and two short sides 10B facing each other, and is formed in a substantially rectangular shape.
- a gap 16 is formed between the adjacent long side 10A and the short side 10B.
- the gap 16 is formed between the long side 10A and the short side 10B, and functions as an exposed portion that exposes the outer surface of the insulating member 12.
- the gap 16 is formed in the external terminal 10, the external terminal 10 can be easily fitted to the insulating member 12. Further, since the gap 16 is formed, the load can be dispersed when an excessive stress is applied to the external terminal 10. As a result, damage to the external terminal 10 or the insulating member 12 can be prevented. Therefore, the gap 16 is preferably formed at the corner of the external terminal 10.
- the ground conductor 14 is provided in order to prevent the signal of the internal terminal 8 from leaking to the outside through the gap 16. Details will be described later.
- gaps 16 are formed at the corners of the external terminal 10. More specifically, gaps 16 are formed at both ends of each of the long sides 10A of the external terminal 10.
- the position of the gap 16 is not limited to the corner portion of the external terminal 10, and the gap 16 can be formed at an arbitrary position according to the arrangement of the internal terminal 8.
- the external terminal 10 is formed of the same conductive material as the first internal terminal 8A and the second internal terminal 8B (for example, phosphor bronze).
- the insulating member 12 is a member that holds the first internal terminal 8A, the second internal terminal 8B, and the external terminal 10 in an insulated state from each other.
- the insulating member 12 is formed of, for example, a resin (for example, an insulating polymer) which is an insulating material.
- the ground conductor 14 is a conductor connected to the ground potential of the substrate (not shown).
- the ground conductor 14 has a function of absorbing noise from the internal terminal 8 and releasing it to the ground potential.
- the ground conductor 14 is arranged so as to pass through the gap 16 of the external terminal 10. That is, a part of the ground conductor 14 is arranged inside the external terminal 10, and the other part is arranged outside the external terminal 10 through the gap 16 of the external terminal 10. In the present embodiment, since the external terminal 10 is formed with four gaps 16 (see FIG. 3), four ground conductors 14 are also arranged. The ground conductor 14 is arranged in the same direction as the first internal terminal 8A.
- the ground conductor 14 is arranged at a position close to the second internal terminal 8B. Since the second internal terminal 8B is used as a high-frequency signal terminal, noise is likely to occur as compared with the first internal terminal 8A. By arranging the ground conductor 14 at a position close to the second internal terminal 8B, the ground conductor 14 can more easily absorb the noise from the second internal terminal 8B. Therefore, noise leakage from the first connector 2 can be further suppressed.
- the ground conductor 14 when viewed from the long side of the external terminal 10 (from the Y direction), the ground conductor 14 is arranged so as to overlap at least a part of the gap 16 between the second internal terminal 8B and the external terminal 10. That is, as shown in FIG. 5, assuming that the region where the ground conductor 14 is arranged in the X direction is R1, at least a part of the second internal terminal 8B and at least a part of the gap 16 of the external terminal 10 are the region R1. It overlaps with. By arranging the ground conductor 14 in this way, the noise from the second internal terminal 8B can be easily absorbed by the ground conductor.
- the ground conductor 14 is formed of the same conductive material as the internal terminal 8 or the external terminal 10 (for example, phosphor bronze).
- ground conductor 14 The shape of the ground conductor 14 will be described with reference to FIGS. 6A and 3.
- the ground conductor 14 has a ground connecting portion 14A and a first extending portion 14B.
- the ground connection portion 14A is arranged along the mounting surface M1 of the substrate, and is connected to the ground potential by being mounted on the ground electrode of the substrate.
- the first extending portion 14B extends in the first direction D1 intersecting the mounting surface of the substrate with respect to the ground connecting portion 14A.
- the first direction D1 is a direction perpendicular to the mounting surface of the substrate (that is, a matching direction between the connectors 2 and 4).
- the first direction D1 does not have to be perpendicular to the mounting surface as long as it intersects the mounting surface of the substrate.
- the ground connection portion 14A has a shape extending in one direction from the inside to the outside of the external terminal 10 through the gap 16, but the ground connection portion 14A is formed in a different shape according to the design of the substrate. May be done.
- the ground conductor 14 has a ground connection portion 14A extending in the Y direction and a first extending portion 14B extending in the Z direction, that is, having portions extending in different directions from the internal terminal 8.
- Signal noise can be absorbed from multiple angles. Further, the absorbed noise can be released from the ground connection portion 14A to the ground potential of the substrate. As a result, the effect of suppressing noise leakage can be improved.
- the length of the ground conductor 14 is preferably ⁇ / 4 or less, where ⁇ is the signal wavelength of the internal terminal 8.
- ⁇ is the signal wavelength of the internal terminal 8.
- the length of the ground conductor 14 is, for example, the length L1 of the first extending portion 14B, as shown in FIG. 6A.
- the length of the ground conductor 14 may be the length L2 of the ground connecting portion 14A.
- the length of the ground conductor 14 may be the sum of the length L1 of the first extending portion 14B and the length L2 of the ground connecting portion 14A.
- the wavelength of the second internal terminal 8B is ⁇
- the length L1 of the first extending portion 14B is ⁇ / 4.
- the first extending portion 14B is embedded in the insulating member 12.
- a recess 12A for arranging the first extending portion 14B of the ground conductor 14 is formed on the mounting surface M1 side of the insulating member 12. That is, of the ground conductor 14, the first extending portion 14B is arranged in the recess 12A of the insulating member 12.
- the first extending portion 14B is surrounded by the insulating member 12.
- the first extending portion 14B By embedding the first extending portion 14B in the insulating member 12 in this way, it is possible to prevent the ground conductor 14 from coming off from the insulating member 12. Further, since the first extending portion 14B is surrounded by the insulating member 12 having a dielectric constant higher than that of air, it becomes easier to absorb noise.
- the second connector 4 includes a plurality of internal terminals 18, an external terminal 20, and an insulating member 22 that supports the plurality of internal terminals 18 and the external terminal 20.
- the second connector 4 is mounted on a board different from the first connector 2.
- the internal terminal 18 of the second connector 4 has a third internal terminal 18A and a fourth internal terminal 18B.
- the third internal terminal 18A is a terminal that is fitted with the first internal terminal 8A of the first connector 2 and electrically connected.
- the fourth internal terminal 18B is a terminal that is fitted with the second internal terminal 8B of the first connector 2 and electrically connected.
- Each of the internal terminals 18 is formed of the same conductive material (eg, phosphor bronze).
- the third internal terminal 18A is configured as a male terminal.
- the third internal terminal 18A has a convex portion 32 that fits into the concave portion 31 of the first internal terminal 8A shown in FIG.
- the external terminal 20 of the second connector 4 has a shape that surrounds a plurality of internal terminals 18.
- the external terminal 20 has a long side terminal 20A provided on the two long sides of the second connector 4 and a short side terminal 20B provided on the two short sides.
- the external terminal 20 is configured as a female terminal and fits with the external terminal 10 of the first connector, which is a male terminal.
- the insulating member 22 is a member that holds the plurality of internal terminals 18 and the external terminals 10 of the second connector 4 in a state of being electrically insulated from each other.
- the insulating member 22 is formed of, for example, a resin (for example, a liquid crystal polymer) which is an insulating material.
- the multi-pole connector set 6 is configured by fitting the first connector 2 and the second connector 4. Even in the multi-pole connector set 6 in which the first connector 2 and the second connector 4 are fitted, the noise suppression effect of the ground conductor 14 can be obtained.
- the first connector 2 (multi-pole connector) of the present embodiment, it is a multi-pole connector mounted on a board having a mounting surface M1, and is a plurality of internal terminals 8 and external terminals 10. And an insulating member 12, and a ground conductor 14.
- the external terminals 10 are arranged so as to surround the plurality of internal terminals 8 and are provided with a gap 16 for exposing the outer surface of the insulating member 12.
- the insulating member holds the external terminal 10.
- the ground conductor 14 is electrically connected to the ground potential of the substrate and is arranged so as to overlap the gap 16 formed in the external terminal 10 when viewed from the outer surface side.
- the ground conductor 14 has a ground connecting portion 14A connected to the ground potential of the substrate and a first extending portion 14B extending in the first direction D1 intersecting the mounting surface of the substrate with respect to the ground connecting portion 14A.
- the noise from the internal terminal 8 can be efficiently absorbed by the first extending portion 14B.
- the ground connection portion 14A of the ground conductor 14 is arranged so as to pass through the gap 16 of the external terminal 10.
- the first extending portion 14B of the ground conductor 14 is embedded in the insulating member 12.
- the first extending portion 14B of the ground conductor 14 is surrounded by the insulating member 12 having a high dielectric constant, and the first extending portion 14B easily absorbs noise. As a result, the effect of suppressing noise leakage can be improved.
- the length of the ground conductor 14 is 1/4 or less of the wavelength of the signal output from the internal terminal 8.
- the external terminal 10 has a shape having a long side and a short side when viewed from a direction perpendicular to the mounting surface of the board, and the plurality of internal terminals 8 are arranged along the direction in which the long side of the external terminal 10 extends. It has a plurality of first internal terminals 8A to be formed.
- a plurality of internal terminals 8 can be efficiently arranged.
- the gap 16 of the external terminal 10 is formed at the end of the long side of the external terminal 10.
- the noise characteristics of the first connector 2 can be improved.
- the plurality of internal terminals 8 have a second internal terminal 8B as a signal terminal embedded in the insulating member 12 at a position facing the short side of the external terminal 10.
- the signal characteristics of the first connector 2 can be improved by using the second internal terminal 8B as a signal terminal for high frequency.
- the ground conductor 14 When viewed from the long side of the external terminal 10, the ground conductor 14 is arranged so as to overlap at least a part with the second internal terminal 8B and the gap 16.
- the noise derived from the second internal terminal 8B can be easily absorbed by the ground conductor 14, and the signal characteristics can be improved.
- FIG. 9 is a cross-sectional view showing the first connector 102 having the ground conductor 114 of the first modification.
- FIG. 10 is a perspective view of the ground conductor 114 of FIG.
- the ground conductor 114 has a ground connecting portion 114A, a first extending portion 114B, and a second extending portion 114C.
- the ground connecting portion 114A extends along direction D10
- the first extending portion 114B extends along the first direction D11
- the second extending portion 114C extends along the second direction D12.
- the direction D10 is a direction along the mounting surface of the substrate.
- the first direction D11 is a direction intersecting the direction D10 and is inclined so as to be away from the first extending portion 114b.
- the second direction D12 is a direction that intersects with the first direction D11 and is inclined to the side opposite to the first direction D11.
- the second extending portion 114C extends from the tip of the first extending portion 114B toward the gap 16 of the external terminal 10 along the second direction D12.
- the angle between the direction D10 and the first direction D11 and the angle between the first direction D11 and the second direction D12 along the mounting surface are not limited to those shown in the drawings, and may be any angle.
- a second extending portion 114C extending toward the second direction D12 is formed.
- the first extending portion 114B and the second extending portion 114C can be prevented from falling off from the insulating member 12. Can be prevented.
- FIG. 11A is a perspective view and a front view of the first extending portion 124B of the ground conductor 124 of the modification 2.
- a perspective view of the ground conductor 124 is shown on the left side, and a front view of the ground conductor 124 is shown on the right side.
- the ground conductor 124 of the second modification has a ground connecting portion 124A and a first extending portion 124B.
- the width W2 of the first extending portion 124B of the ground conductor 124 is formed to be larger than the width of the gap 16 (see FIGS. 1 to 5) of the external terminal 10.
- the ground connection portion 124A is formed in a trapezoidal shape when viewed from a direction perpendicular to the mounting surface M1 of the substrate. That is, the width W1 at the tip of the ground connecting portion 124A is smaller than the width W2 of the connecting portion of the ground connecting portion 124A with the first extending portion 124B.
- the width of the first extending portion 124B By forming the width of the first extending portion 124B to be large, the gap 16 of the external terminal 10 can be covered more reliably. Therefore, the effect of suppressing noise leakage can be improved.
- FIG. 11B is a perspective view and a front view of the first extending portion 134B of the ground conductor 134 of the modified example 3.
- a perspective view of the ground conductor 134 is shown on the left side, and a front view of the ground conductor 134 is shown on the right side.
- the ground conductor 134 of the modified example 3 has a ground connecting portion 134A and a first extending portion 134B.
- the width W4 of the first extending portion 134B of the ground conductor 124 is formed to be larger than the width of the gap 16 (see FIGS. 1 to 5) of the external terminal 10.
- the ground connection portion 134A is formed in a trapezoidal shape when viewed from a direction perpendicular to the mounting surface M1 of the substrate.
- the shape of the ground connection portion 134A is asymmetrical.
- ground connecting portions 124A and 134A shown in FIGS. 11A and 11B are formed so as to gradually narrow in width from the first extending portions 124B and 134B, and are formed, for example, with the ground connecting portions 124A and 134A.
- the shape may be such that the first extending portions 124B and 134B are connected in a stepped shape.
- ground conductor 14 is arranged on the male type first connector 2
- the ground conductor is either the first connector 2 or the second connector 4, or the first. It may be arranged in both the connector 2 and the second connector 4.
- ground conductor 14 is arranged so as to pass through the gap 16 of the external terminal 10
- the ground conductor 14 is not necessarily arranged through the gap 16 of the external terminal 10. May be good.
- the ground conductor 14 may be arranged so as to overlap the gap 16 of the external terminal 10 at least when viewed from the outer surface side.
- ground conductor 14 is arranged in the same direction as the internal terminal 8 (first internal terminal 8A) has been described, but the ground conductor has an arbitrary orientation depending on the design of the substrate and the like. May be placed in.
- the shape of the external terminal 10 is not limited to the rectangular shape.
- the shape of the external terminal 10 may be circular, elliptical, or polygonal.
- the present invention is widely applicable to multi-pole connectors.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
図1は、実施の形態1にかかる第1コネクタ2を示す斜視図である。図2は、図1の第1コネクタ2を別の方向から見た斜視図である。図3は、図1の第1コネクタ2の分解斜視図である。図4は、図1の第1コネクタ2の絶縁部材12を省略した斜視図である。図5は、図1の第1コネクタ2の絶縁部材12を省略して、基板の実装面M1(図6A参照)に垂直な方向から見た斜視図である。図6Aは、図1の第1コネクタ2のA-A断面図である。図6Bは、図1の第1コネクタ2の絶縁部材12の構造を示す斜視図である。
グランド導体14の変形例について、図9~図10を参照して説明する。図9は、変形例1のグランド導体114を有する第1コネクタ102を示す断面図である。図10は、図9のグランド導体114の斜視図である。
図11Aは、変形例2のグランド導体124の第1延在部124Bの斜視図および正面図である。図11Aにおいて、左側にグランド導体124の斜視図を示し、右側にグランド導体124の正面図を示す。
図11Bは、変形例3のグランド導体134の第1延在部134Bの斜視図および正面図である。図11Bにおいて、左側にグランド導体134の斜視図を示し、右側にグランド導体134の正面図を示す。
8 内部端子
8A 第1内部端子
8B 第2内部端子
10 外部端子
12 絶縁部材
14、114、124、134 グランド導体
16 隙間
14A、114A、124A、134A グランド接続部
14B、114B、124B、134B 第1延在部
114C 第2延在部
D1、D11 第1方向
D12 第2方向
Claims (11)
- 実装面を有する基板に実装される多極コネクタであって、
複数の内部端子と、
前記複数の内部端子を囲むように配置される外部端子と、
前記外部端子を保持する絶縁部材と、
前記基板のグランド電位に電気的に接続されるグランド導体と、
を備え、
前記外部端子には、前記絶縁部材の外側面を露出させる隙間が形成され、
前記グランド導体は、前記外側面側から見たときに、前記外部端子に形成された前記隙間に重なるよう配置される、
多極コネクタ。 - 前記グランド導体は、前記基板の前記グランド電位に接続されるグランド接続部と、前記グランド接続部に対して前記基板の前記実装面に交差する第1方向に延びる第1延在部と、を有する、
請求項1に記載の多極コネクタ。 - 前記グランド導体の前記グランド接続部は、前記外部端子の前記隙間を通るように配置される、
請求項2に記載の多極コネクタ。 - 前記グランド導体の前記第1延在部は、前記絶縁部材に埋め込まれている、
請求項2または3に記載の多極コネクタ。 - 前記グランド導体は、前記第1延在部の先端から前記第1方向に交差する第2方向に延びる第2延在部、を有する、
請求項2から4のいずれか1項に記載の多極コネクタ。 - 前記グランド導体の前記第1延在部の幅は、前記隙間の幅よりも大きい、
請求項2から5のいずれか1項に記載の多極コネクタ。 - 前記グランド導体の長さは、前記複数の内部端子から出力される信号の波長の1/4以下である、
請求項1から5のいずれか1項に記載の多極コネクタ。 - 前記外部端子は、前記基板の前記実装面に垂直な方向から見たときに、長辺および短辺を有する形状であり、前記複数の内部端子は、前記外部端子の前記長辺が延びる方向に沿って配列される複数の第1内部端子を有する、
請求項1から7のいずれか1項に記載の多極コネクタ。 - 前記隙間は、前記外部端子の前記長辺の端部に形成されている、
請求項8に記載の多極コネクタ。 - 前記複数の内部端子は、前記外部端子の前記短辺に、前記長辺方向に対向する位置に、信号端子としての第2内部端子を有する、
請求項8または9に記載の多極コネクタ。 - 前記外部端子の前記長辺側から見たときに、前記グランド導体は、前記第2内部端子および前記隙間の少なくとも一部が重なるように配置される、
請求項10に記載の多極コネクタ。
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JP2022571051A JP7323081B2 (ja) | 2020-12-23 | 2021-09-08 | 多極コネクタ |
CN202180078749.6A CN116670939A (zh) | 2020-12-23 | 2021-09-08 | 多极连接器 |
US18/336,849 US20230335930A1 (en) | 2020-12-23 | 2023-06-16 | Multi-pole connector |
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US18/336,849 Continuation US20230335930A1 (en) | 2020-12-23 | 2023-06-16 | Multi-pole connector |
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JP2020057499A (ja) * | 2018-10-01 | 2020-04-09 | Smk株式会社 | 電気コネクタ、および電気コネクタセット |
JP2020107472A (ja) * | 2018-12-27 | 2020-07-09 | モレックス エルエルシー | コネクタ組立体 |
WO2020162548A1 (ja) * | 2019-02-07 | 2020-08-13 | 株式会社村田製作所 | 電気コネクタおよび該電気コネクタの検査方法 |
WO2020218385A1 (ja) * | 2019-04-24 | 2020-10-29 | 株式会社村田製作所 | 多極コネクタセット |
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2021
- 2021-09-08 WO PCT/JP2021/032994 patent/WO2022137663A1/ja active Application Filing
- 2021-09-08 CN CN202180078749.6A patent/CN116670939A/zh active Pending
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JP2020057499A (ja) * | 2018-10-01 | 2020-04-09 | Smk株式会社 | 電気コネクタ、および電気コネクタセット |
JP2020107472A (ja) * | 2018-12-27 | 2020-07-09 | モレックス エルエルシー | コネクタ組立体 |
WO2020162548A1 (ja) * | 2019-02-07 | 2020-08-13 | 株式会社村田製作所 | 電気コネクタおよび該電気コネクタの検査方法 |
WO2020218385A1 (ja) * | 2019-04-24 | 2020-10-29 | 株式会社村田製作所 | 多極コネクタセット |
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CN116670939A (zh) | 2023-08-29 |
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