WO2022222289A1 - 可插拔自由空间光电混合连接器 - Google Patents

可插拔自由空间光电混合连接器 Download PDF

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Publication number
WO2022222289A1
WO2022222289A1 PCT/CN2021/107550 CN2021107550W WO2022222289A1 WO 2022222289 A1 WO2022222289 A1 WO 2022222289A1 CN 2021107550 W CN2021107550 W CN 2021107550W WO 2022222289 A1 WO2022222289 A1 WO 2022222289A1
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WO
WIPO (PCT)
Prior art keywords
connector
metal
lens
female connector
optical fiber
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Application number
PCT/CN2021/107550
Other languages
English (en)
French (fr)
Inventor
王灏
秦海棠
陈琦
莫程智
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杭州耀芯科技有限公司
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Publication of WO2022222289A1 publication Critical patent/WO2022222289A1/zh

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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
    • H01R13/02—Contact members
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
    • G02B6/4293—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements hybrid electrical and optical connections for transmitting electrical and optical signals
    • 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
    • H01R12/7017—Snap means
    • H01R12/7023—Snap means integral with the coupling device
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3817—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres containing optical and electrical conductors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3853—Lens inside the ferrule
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • 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
    • H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4274—Electrical aspects
    • G02B6/4284—Electrical aspects of optical modules with disconnectable electrical connectors
    • 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

Definitions

  • the invention relates to the technical field of communication, in particular to a pluggable free space optoelectronic hybrid connector.
  • the inventor further researches and proposes a pluggable free space optoelectronic hybrid connector.
  • the purpose of the present invention is to provide a pluggable free space optoelectronic hybrid connector with high processing yield, high reliability and convenient use.
  • the pluggable free space optoelectronic hybrid connector of the present invention is composed of a male connector and a female connector, which are used together.
  • a pluggable free space optoelectronic hybrid female connector includes:
  • a first insulating base body the front end of which is formed with a plug cavity, and the rear end is formed with a first optical fiber installation hole and a first electrode installation hole;
  • a plurality of groups of metal domes are installed in the first electrode installation holes, wherein the contact parts of at least one group of metal domes are exposed from the top of the insertion cavity, and the contact parts of at least one group of metal domes are exposed from the insertion cavity.
  • the bottom of the connection cavity is exposed;
  • a first circuit substrate which is mounted on the rear end of the first insulating base and is electrically connected to the plurality of groups of metal dome sheets;
  • a first optical communication module, the first optical communication module includes:
  • first lens disposed on the back of the insertion cavity and opposite to the light output end of the first optical fiber connector for expanding the light beam output from the female connector to the male connector,
  • the position of the first lens is configured such that when the female connector and the male connector are in a plugged state, there is a certain distance between the first lens and the second lens of the male connector.
  • the outer periphery of the first insulating base further has a first metal shell, and the first metal shell is provided with a snap portion, and the snap portion is configured to: In the plug-in state, the latching portion is engaged with the male connector, so that the male connector and the female connector are kept in the plug-in state.
  • insulating blocks are respectively provided in the middle of each group of the metal dome, and the insulating blocks are mated with the first electrode mounting holes, so as to install the metal domes on all the metal domes. the first electrode mounting hole.
  • the metal dome is also preferably combined with the first insulating base through an in-mold injection process.
  • both the rear end of the insulating block and the rear end of the first optical fiber connector are in contact with the first circuit substrate.
  • the top and/or bottom of the plug-in cavity is provided with a groove extending along the plug-in direction.
  • the first lens includes one or more lenses integrally formed with the first insulating base.
  • a pluggable free space optoelectronic hybrid male connector includes:
  • a second insulating base body the front end of which is formed with a plugging protrusion, and the rear end is formed with a second optical fiber mounting hole and a second electrode mounting hole, the plugging protrusion is configured to match the plugging cavity of the corresponding female connector ;
  • a plurality of groups of metal pins are installed in the second electrode mounting holes, wherein the contact parts of at least one group of metal pins are exposed from the top of the plug-in convex part, and the contact parts of at least one group of metal pins are exposed The part is exposed from the bottom of the plug-in convex part;
  • a second circuit substrate mounted on the rear end of the second insulating base and electrically connected to the plurality of groups of metal pins;
  • a second optical communication module, the second optical communication module includes:
  • a second light beam output from the male connector to the female connector which is arranged on the surface of the male connector and is opposite to the light output end of the second optical fiber connector. a lens, the position of the second lens is configured such that when the male connector and the female connector are in a plugged state, there is a certain distance between the second lens and the first lens of the female connector .
  • the outer periphery of the second insulating base further has a second metal shell, the second metal shell is provided with a snap-fit portion, and the snap-fit portion is configured to be connected with the corresponding female connector match with the clips on the first metal shell of the device.
  • insulating blocks are respectively provided in the middle of each group of the metal pins, and the insulating blocks are mated with the second electrode mounting holes, so as to install the metal pins in the second electrode mounting hole.
  • the metal pins are also preferably bonded to the second insulating base body by an in-mold injection molding process.
  • both the rear end of the insulating block and the rear end of the second optical fiber connector are in contact with the second circuit substrate.
  • the top and/or bottom of the plug-in protrusion is provided with a protrusion extending along the insertion and extraction direction, and the protrusion is configured to be in contact with the plug cavity of the corresponding female connector.
  • Top and/or bottom grooves to match.
  • the second lens includes one or more lenses integrally formed with the second insulating base.
  • the present invention at least has the following beneficial effects:
  • the female connector and the male connector are optically connected through free space, and are equipped with a lens for expanding the beam transmitted to each other, so that the optical path has a high tolerance to dimensional tolerances and contaminants, so that the The connector has the characteristics of high processing yield and high reliability.
  • the metal dome is used as the electrode to realize the electrical signal transmission, and the metal dome is arranged on both the top and bottom directions of the socket cavity, which can not only transmit multiple groups of electrical signals, but also the metal dome on the top and the bottom from the top and the bottom.
  • the connector generates a clamping elastic force, which can prevent the male connector from shaking in the female connector, thereby improving the transmission stability of optical and electrical signals.
  • the interference signal can be shielded, and on the other hand, the male connector and the female connector can be kept in the plugged state through the clamping part and the clamping part on the metal shell, which can avoid the interference caused by the plug cavity and the socket. Signal instability caused by loose fitting of the plug-in protrusions.
  • top and/or bottom of the plug-in convex portion and the top and/or bottom of the plug-in cavity are provided with grooves and bumps that cooperate with each other, which can assist in guiding the lens of the male connector and the female connection during the plug-in process.
  • the lens of the device is precisely aligned.
  • the lens is directly formed on the insulating base of the connector, so the installation error is small and the connector assembly process is simple.
  • the metal dome and the metal pin as the electrical connection components are combined with the insulating base of the connector through integral mating or in-mold injection process, which further simplifies the assembly process of the connector.
  • FIG. 1 is a schematic diagram of an optical path structure between optical communication modules
  • FIG. 2 is a perspective view of a female connector
  • FIG. 3 is a perspective view of the female connector from another perspective
  • FIG. 4 is a perspective view of a first insulating substrate
  • FIG. 5 is a perspective view of the first insulating substrate from another perspective
  • FIG. 6 is a schematic diagram of a first lens
  • FIG. 7 is a schematic diagram of a metal dome assembly
  • FIG. 8 is a schematic diagram of a first optical fiber connector
  • FIG. 9 is a perspective view of a male connector
  • FIG. 10 is a perspective view of the female connector from another perspective
  • FIG. 11 is a perspective view of a second insulating base
  • FIG. 12 is a perspective view of the second insulating substrate from another perspective
  • FIG. 13 is a schematic diagram of a second lens
  • Figure 15 is a schematic diagram of the male connector and the female connector in a plugged state
  • Fig. 16 is that Fig. 15 is A-A sectional view
  • Fig. 17 is that Fig. 15 is B-B sectional view
  • D is the distance between two lenses (that is, the lens of the male connector and the lens of the female connector), which is used to realize the free space of the optical signal connect.
  • the first embodiment a pluggable free space optoelectronic hybrid female connector 10, for the convenience of description, it is referred to as a female connector in some places in this application.
  • the female connector 10 includes: a first insulating base 11 , three groups of metal springs 12 , a first circuit substrate 16 , a first optical communication module, and a first metal shell 13 .
  • the first insulating base 11 is a cuboid structure as a whole, the front end is formed with a plug cavity 111, the rear end is formed with a first optical fiber installation hole 114 and three first electrode installation holes 113, and the first optical fiber installation hole 114 is located in the middle of the rear end,
  • the three first electrode mounting holes 113 are distributed in a zigzag shape, and the first electrode mounting holes 113 extend to the top and bottom of the insertion cavity 111 .
  • the three sets of metal domes 12 are correspondingly installed in the three first electrode mounting holes 113 of the first insulating base 11 , wherein the contact parts 121 of one set of metal domes 12 are exposed from the top of the insertion cavity 111 , and the other two sets of metal domes The contact portion 121 of 12 is exposed from the bottom of the insertion cavity 111 .
  • the first optical communication module includes: a first optical fiber connector 141 disposed in the first optical fiber installation hole 114 for carrying optical fibers; and a first optical fiber connector disposed on the back of the insertion cavity 111 and connected to the first optical fiber connector
  • the first lens 142 opposite to the light output end of 141 and used for expanding the light beam output from the female connector 10 to the male connector 20, the position of the first lens 142 is configured as: the When the female connector 10 and the male connector 20 are in a plugged state, there is a certain distance D between the first lens 142 and the second lens 242 of the male connector 20 .
  • the first lens 142 is formed on the back of the insertion cavity 111, the first optical fiber connector 141 is inserted into the first optical fiber installation hole 114, and the precise size control ensures that the core of the optical fiber and the first lens 142 are connected to each other.
  • the optical axis is center-aligned, and the typical tolerance is 10um.
  • the first metal shell 13 is sleeved on the outer periphery of the first insulating base 11, and is combined with the first insulating base 11 through a clamping structure.
  • the first metal shell 13 is provided with a clamping part 131, and the clamping part 131 is a surface buttonhole.
  • the snap portion 131 is configured such that when the female connector 10 is plugged with the corresponding male connector 20, the snap portion 131 is snap-fitted with the male connector 20, so that the male connector 20 and the female connector 10 remains in the plugged state.
  • the first circuit substrate 16 is mounted on the rear end of the first insulating base 11 , and the three groups of metal elastic sheets 12 and the first metal shell 13 are respectively welded to the first circuit substrate.
  • Figure 7 shows the structure of a metal dome assembly.
  • the metal dome assembly includes four metal domes 12 , wherein an insulating block 122 is injection-molded in the middle of the metal dome 12 . for receiving or sending a set of electrical signals.
  • the metal elastic sheet 12 is mounted on the first electrode mounting hole 113 .
  • this modular installation has the characteristics of good consistency and simple assembly process.
  • the metal dome 12 can be bonded to the first insulating base 11 by means of in-mold injection.
  • the rear end of the insulating block 122 and the rear end of the first optical fiber connector 141 are in contact with the first circuit substrate 16, and the first circuit substrate 16 can prevent the first optical fiber connector 141 and the metal dome 12 from retreating .
  • the top and bottom of the plug-in cavity 111 are further provided with grooves 112 extending along the plug-in direction.
  • FIG. 8 shows the structure of the first optical fiber connector 141 .
  • the first optical fiber connector 141 in this embodiment is designed with two rows of optical fiber holes, each row contains 12 optical fiber holes, the optical fiber spacing is 0.5 mm, and the tolerance is 5 um.
  • the first lens 142 is shown in FIG. 6 .
  • the first lens 142 is a plurality of lenses integrally formed with the first insulating base 11 .
  • the specific number of lenses is the same as the number of fibers and corresponds in position.
  • the first insulating base 11 with the first lens 142 can be made by using a transparent insulating material, such as plastic, acrylic, glass, etc., through a molding process, and the first lens 142 can be added to the first insulating base 11 except for the first lens.
  • the area outside 142 is coated with a light-shielding layer. This design makes it unnecessary to align and combine the first lens 142 and the first insulating base 11 , so that the installation error is small and the assembly process is simple.
  • pluggable free space optoelectronic hybrid male connector 20 for convenience of description, it is simply referred to as male connector 20 in some places in this application.
  • the male connector 20 includes: a second insulating base 21 , three groups of metal pins 22 , a second circuit substrate 25 , a second optical communication module, and a second metal shell 23 .
  • the front end of the second insulating base body 21 is formed with a plug-in protrusion 211 configured to match the plug-in cavity 111 of the female connector 10 of the first embodiment.
  • the rear end of the second insulating base 21 is formed with a second optical fiber mounting hole 214 and three second electrode mounting holes 213 .
  • the second optical fiber mounting hole 214 is located in the middle of the rear end, and the three second electrode mounting holes 213 are distributed in a zigzag shape. .
  • Three groups of metal pins 22 are installed in the three second electrode mounting holes 213 of the second insulating base 21 , wherein the contact parts 221 of one group of metal pins 22 are exposed from the top of the plugging protrusions 211 , and the other two groups The contact portion 221 of the metal pin 22 is exposed from the bottom of the plug-in convex portion 211 .
  • the second optical communication module includes: a second optical fiber connector 241 (see FIG. 8 ) provided in the second optical fiber installation hole 214 for carrying optical fibers; A second lens 242 opposite to the light output end of the second optical fiber connector 241 for expanding the light beam output from the male connector 20 to the female connector 10, the second lens 242
  • the position of is configured such that when the male connector 20 and the female connector 10 are in a plugged state, there is a certain distance D between the second lens 242 and the first lens 142 of the female connector 10 .
  • the second lens 242 is formed on the surface of the insertion convex portion 211 .
  • the second metal shell 23 is sleeved on the outer periphery of the second insulating base 21, and is combined with the second insulating base 21 through a snap-fit structure.
  • the second metal shell 23 is provided with a snap-fit portion 231, and the snap-fit portion 231 is structured
  • the engaging portion 231 is specifically a buckle strip.
  • the second circuit board 25 is mounted on the rear end of the second insulating base 21 , and the three groups of metal pins 22 and the second metal shell 23 are respectively welded to the second circuit board 25 .
  • the metal pin assembly includes four metal pins 22 , wherein an insulating block 122 is injection-molded in the middle of the metal pin 22 , and the four metal pins 22 are formed into an assembly through the insulating block 122 , and one metal pin 22 is A pin assembly is used to receive or transmit a set of electrical signals.
  • the metal pins 22 are mounted on the second electrode mounting holes 213 by mating the insulating blocks 122 with the second electrode mounting holes 213 on the second insulating base 21 .
  • this modular installation has the characteristics of good consistency and simple process.
  • the metal pins 22 can be bonded to the second insulating base 21 by means of in-mold injection.
  • the rear end of the insulating block 122 and the rear end of the second optical fiber connector 241 abut against the second circuit substrate 25 , and the second circuit substrate 25 can prevent the second optical fiber connector 241 and the metal pins 22 back.
  • the top and bottom of the plugging protruding portion 211 are provided with protrusions 212 extending along the plugging direction. Slot 112 matches.
  • the second lens 242 is shown in FIG. 13 .
  • the second lens 242 is a plurality of lenses integrally formed with the second insulating base 21 .
  • the specific number of lenses is the same as the number of fibers and corresponds in position.
  • a transparent insulating material such as plastic, acrylic, glass, etc., can be used to manufacture the second insulating base 21 with the second lens 242 through a molding process.
  • the area outside 242 is coated with a light-shielding layer. This design makes it unnecessary to align and combine the second lens 242 and the second insulating base 21, so that the installation error is small and the assembly process is simple.
  • FIG. 16 is a cross-sectional view taken along the line A-A in FIG. 15 ;
  • FIG. 17 is a cross-sectional view taken along the line B-B in FIG. 15 .
  • the snap-fit portion 131 and the snap-fit portion 231 are combined, so that the male connector 20 and the female connector 10 are kept in the plugged state, so as to avoid the damage caused by the plug-in cavity 111 and the plug-in convex portion 211 Signal instability caused by loose fit.
  • FIG. 16 is a cross-sectional view taken along the line A-A in FIG. 15 ;
  • FIG. 17 is a cross-sectional view taken along the line B-B in FIG. 15 .
  • the contact portion 121 of the metal dome 12 is pressed against the contact portion 221 of the metal pin 22 , on the one hand, to achieve electrical connection for the connection between the male connector 20 and the female connector 10 .
  • the metal dome 12 produces a clamping elastic force on the male connector 20, which can prevent the male connector 20 from shaking in the female connector 10, thereby improving the stability of the transmission of optical signals and electrical signals. sex.
  • the female connector 10 and the male connector 20 are optically connected through free space, and a lens for expanding the beam transmitted to each other is configured, so that the tolerance of the optical path to dimensional tolerances and the tolerance of contaminants is higher. High, so that the connector has the characteristics of high processing yield and high reliability.
  • the metal dome 12 is used as an electrode to realize electrical signal transmission, and the metal dome 12 is arranged in both the top and bottom directions of the plug cavity 111, which can not only transmit multiple groups of electrical signals, but also the top and bottom metal domes 12 from the top and the bottom.
  • the two directions of the bottom generate elastic forces for clamping the male connector 20, which can prevent the male connector 20 from shaking in the female connector 10, thereby improving the transmission stability of optical signals and electrical signals.
  • the male connector 20 and the female connector 10 can be kept in the plugged state through the snap-on part 131 and the snap-fit part 231 on the metal shell, which can avoid Signal instability phenomenon caused by loose fitting between the plug cavity 111 and the plug protrusion 211 .
  • the top and bottom of the plug-in convex part 211 and the top and bottom of the plug-in cavity 111 are provided with mutually matching grooves 112 and bumps 212, which can assist in guiding the lens and the lens of the male connector 20 during the plug-in process.
  • the lenses of the female connector 10 are precisely aligned.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
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Abstract

一种可插拔自由空间光电混合连接器，包括一阴性连接器（10）和一相应的阳性连接器（20）。阴性连接器（10）包括第一绝缘基体（11），其前端形成有插接腔（111），后端形成有第一光纤安装孔（114）和第一电极安装孔（113）；多组金属弹片（12），其安装于所述第一电极安装孔（113），其中至少一组金属弹片（12）的触接部从所述插接腔（111）的顶部露出，还有至少一组金属弹片（12）的触接部从所述插接腔（111）的底部露出；第一电路基板（16），其安装于所述第一绝缘基体（11）的后端、并与所述多组金属弹片（12）电连接；以及第一光通信模块。本连接器既能传输光信号，又能传输电信号；并且具有加工良品率高、可靠性高的特点；其还可阻止阳性连接器（20）在阴性连接器（10）中晃动，从而可提高光信号和电信号的传输稳定性。

Description

可插拔自由空间光电混合连接器 技术领域
本发明涉及通信技术领域，具体为一种可插拔自由空间光电混合连接器。
背景技术
在通信领域，特别是消费产品领域的信号传输，如笔记本电脑、计算机、电视、手机等智能终端，传统应用中都是采用铜线来传输信号和数据的，为了满足日益增长的传输容量和高速率的传输要求，发明人曾发明了取代传统线缆的通信方式，并先后提出了以下中国专利申请：1、基于自由空间光通信的通信终端、通信装置和通信系统，公开号为CN109586790A。2、一种光纤连接光学组件，公开号为CN110780391A。
在此基础上，发明人进一步研究，提出了可插拔自由空间光电混合连接器。
发明内容
本发明的目的是提供一种加工良品率高、可靠性高且方便使用的可插拔自由空间光电混合连接器。
为达上述目的，本发明采用的技术方案如下：
本发明的可插拔自由空间光电混合连接器由阳性连接器和阴性连接器组成，二者配合使用。
一种可插拔自由空间光电混合阴性连接器包括：
第一绝缘基体，其前端形成有插接腔，后端形成有第一光纤安装孔和第一电极安装孔；
多组金属弹片，其安装于所述第一电极安装孔，其中至少一组金属弹片的触接部从所述插接腔的顶部露出，还有至少一组金属弹片的触接部从所述插接腔的底部露出；
第一电路基板，其安装于所述第一绝缘基体的后端、并与所述多组金属弹片电连接；以及
第一光通信模块，所述第一光通信模块包括：
设于所述第一光纤安装孔的用于承载光纤的第一光纤连接器；以及
设于所述插接腔的背部的、与所述第一光纤连接器的出光端相对的、用于对从所述阴性连接器输往所述阳性连接器的光束做扩大处理的第一透镜，所述第一透镜的位置被配置为：所述阴性连接器和所述阳性连接器在插接状态时，所述第一透镜和所述阳性连接器的第二透镜之间具有一定间距。
在上述的阴性连接器中，优选地，所述第一绝缘基体的外周还具有第一金属外壳，所述第一金属外壳设有卡接部，所述卡接部被构造为：在所述插接状态，所述卡接部与所述阳性连接器卡配，使所述阳性连接器和所述阴性连接器保持在插接状态。
在上述的阴性连接器中，优选地，各组所述金属弹片的中部分别设有绝缘块，所述绝缘块与所述第一电极安装孔插配，以此将所述金属弹片安装于所述第一电极安装孔。所述金属弹片还优选通过模内注塑工艺结合于所述第一绝缘基体。
在上述的阴性连接器中，优选地，所述绝缘块的后端和所述第一光纤连接器的后端均与所述第一电路基板抵接。
在上述的阴性连接器中，优选地，所述插接腔的顶部和/或底部设有沿插拔方向延伸的凹槽。
在上述的阴性连接器中，优选地，所述第一透镜包括与所述第一绝缘基体一体成型的一个或多个透镜。
一种可插拔自由空间光电混合阳性连接器包括：
第二绝缘基体，其前端形成有插接凸部，后端形成有第二光纤安装孔和第二电极安装孔，所述插接凸部被构造为与相应的阴性连接器的插接腔相匹配；
多组金属插针，其安装于所述第二电极安装孔，其中至少一组金属插针的触接部从所述插接凸部的顶部露出，还有至少一组金属插针的触接部从所述插接凸部的底部露出；
第二电路基板，其安装于所述第二绝缘基体的后端、并与所述多组金属插针电连接；以及
第二光通信模块，所述第二光通信模块包括：
设于所述第二光纤安装孔的、用于承载光纤的第二光纤连接器；以及
设于所述插接凸部的面部的、与所述第二光纤连接器的出光端相对的、用于对从所述阳性连接器输往所述阴性连接器的光束做扩大处理的第二透镜，所述第二透镜的位置被配置为：所述阳性连接器和所述阴性连接器在插接状态时，所述第二透镜和所述阴性连接器的第一透镜之间具有一定间距。
在上述的阳性连接器中，优选地，所述第二绝缘基体的外周还具有第二金属外壳，所述第二金属外壳设有卡配部，所述卡配部被构造为与相应阴性连接器的第一金属外壳上的卡接部相匹配。
在上述的阳性连接器中，优选地，各组所述金属插针的中部分别设有绝缘块，所述绝缘块与所述第二电极安装孔插配，以此将所述金属插针安装于所述第二电极安装孔。所述金属插针还优选通过模内注塑工艺结合于所述第二绝缘基体。
在上述的阳性连接器中，优选地，所述绝缘块的后端和所述第二光纤连接器的后端均与所述第二电路基板抵接。
在上述的阳性连接器中，优选地，所述插接凸部的顶部和/或底部设有沿插拔方向延伸的凸块，所述凸块被构造为与相应阴性连接器的插接腔的顶部和/或底部的凹槽相匹配。
在上述的阳性连接器中，优选地，所述第二透镜包括与所述第二绝缘基体一体成型的一个或多个透镜。
与现有技术相比，本发明至少具有以下有益效果：
既能传输光信号，又能传输电信号。
阴性连接器和阳性连接器之间通过自由空间光连接，且配置了用于将传输给对方的光束扩大的透镜，使得光路对尺寸公差的容忍度以及对污染物的容忍度较高，从而使得连接器具有加工良品率高、可靠性高的特点。
采用金属弹片做电极实现电信号传输，并且在插接腔的顶部和底部两个方向均设置金属弹片，不但可以传输多组电信号，而且顶部和底部的金属弹片从顶部和底部两个方向对阳性连接器产生夹紧的弹力，可阻止阳性连接器在阴性连接器中晃动，从而可提高光信号和电信号的传输稳定性。
进一步设置金属外壳后，一方面可屏蔽干扰信号，另一方面通过金属外壳上的卡接部和卡配部，能够将阳性连接器和阴性连接器保持在插接状态，能够避免由于插接腔和插接凸部配合松动导致的信号不稳定现象。
进一步在插接凸部的顶部和/或底部、以及插接腔的顶部和/或底部设置有相互配合的凹槽和凸块，在插接过程中，可以辅助引导阳性连接器的透镜和阴性连接器的透镜精确对准。
其透镜直接成型在连接器的绝缘基体上，因而具有安装误差小，连接器组装工序简单的特点。作为电连接部件的金属弹片和金属插针通过整体插配或模内注塑工艺结合于连接器的绝缘基体上，进一步简化了连接器的组装工序。
附图说明
图1为光通信模块之间的光路结构示意图；
图2为阴性连接器的立体图；
图3为阴性连接器的另一视角的立体图；
图4为第一绝缘基体的立体图；
图5为第一绝缘基体的另一视角的立体图；
图6为第一透镜的示意图；
图7为金属弹片组件的示意图；
图8为第一光纤连接器的示意图；
图9为阳性连接器的立体图；
图10为阴性连接器的另一视角的立体图；
图11为第二绝缘基体的立体图；
图12为第二绝缘基体的另一视角的立体图；
图13为第二透镜的示意图；
图14为金属插针组件的示意图；
图15为阳性连接器和阴性连接器在插接状态的示意图；
图16为图15为A-A剖视图；
图17为图15为B-B剖视图；
附图标记：
10、阴性连接器；
20、阳性连接器；
D、间距；
11、第一绝缘基体；111、插接腔；112、凹槽；113、第一电极安装孔；114、第一光纤安装孔；
12、金属弹片；122、绝缘块；
13、第一金属外壳；131、卡接部；
141、第一光纤连接器；142、第一透镜；
15、光纤；
16、第一电路基板；
21、第二绝缘基体；211、插接凸部；212、凸块；213、第二电极安装孔；214、第二光纤安装孔；
22、金属插针；
23、第二金属外壳；231、卡配部；
241、第二光纤连接器；242、第二透镜；
25、第二电路基板。
具体实施方式
下面结合附图和实施例对本发明做进一步说明。
图1为本发明光通信模块之间的光路结构示意图，其中D为两个透镜(即阳性连接器的透镜和阴性连接器的透镜)之间的间距，该间距用于实现光信号的自由空间连接。
第一实施例：可插拔自由空间光电混合阴性连接器10，为方便描述，本申请一些地方简称为阴性连接器。
请参照图2-图8，本阴性连接器10包括：第一绝缘基体11，三组金属弹片12，第一电路基板16，第一光通信模块，第一金属外壳13。
第一绝缘基体11整体为长方体结构，其前端形成有插接腔111，后端形成有一个第一光纤安装孔114和三个第一电极安装孔113，第一光纤安装孔114位于后端中部，三个第一电极安装孔113呈品字形分布，第一电极安装孔113延伸至插接腔111的顶部和底部。
三组金属弹片12对应安装在第一绝缘基体11的三个第一电极安装孔113，其中，一组金属弹片12的触接部121从所述插接腔111的顶部露出，其余两组金属弹片12的触接部121从所述插接腔111的底部露出。
第一光通信模块包括：设于所述第一光纤安装孔114的用于承载光纤的第一光纤连接器141；以及设于所述插接腔111的背部的、与所述第一光纤连接器141的出光端相对的、用于对从所述阴性连接器10输往所述阳性连接器20的光束做扩大处理的第一透镜142，所述第一透镜142的位置被配置为：所述阴性连接器10和所述阳性连接器20在插接状态时，所述第一透镜142和所述阳性连接器20的第二透镜242之间具有一定间距D。其中，第一透镜142成型 在所述插接腔111的背部，第一光纤连接器141与第一光纤安装孔114插接配合，通过精密尺寸的控制，保证光纤的纤芯与第一透镜142的光轴中心对齐，典型公差是10um。
第一金属外壳13套设在第一绝缘基体11的外周，通过卡接结构与第一绝缘基体11组合，所述第一金属外壳13设有卡接部131，卡接部131具体为表面的扣孔。所述卡接部131被构造为：当该阴性连接器10和相应的阳性连接器20插接后，所述卡接部131与所述阳性连接器20卡配，使所述阳性连接器20和所述阴性连接器10保持在插接状态。
第一电路基板16安装于所述第一绝缘基体11的后端，三组金属弹片12、以及第一金属外壳13分别与该第一电路基板焊接。
图7中示出了一个金属弹片组件的结构。如图7所示，金属弹片组件含四个金属弹片12，其中，在金属弹片12的中部注塑有绝缘块122，通过绝缘块122将四个金属弹片12构成一个组件，每个金属弹片组件用于接收或发送一组电信号。通过将所述绝缘块122与所述第一电极安装孔113插配，实现将所述金属弹片12安装于所述第一电极安装孔113。相比直接将金属电极逐一安装到第一绝缘基体11的方法，这种模块化的安装具有一致性好，组装工序简单的特点。作为另一种优选的实施方式，可以采用模内注塑方式将金属弹片12结合到所述第一绝缘基体11。
所述绝缘块122的后端和所述第一光纤连接器141的后端均与所述第一电路基板16抵接，第一电路基板16可阻止第一光纤连接器141和金属弹片12后退。
所述插接腔111的顶部和底部还设有沿插拔方向延伸的凹槽112。
图8示出了第一光纤连接器141的结构。其中，本实施例的第一光纤连接器141设计有两排光纤孔，每排含12个光纤孔，光纤间距为0.5mm，公差是5um。
图6中示出了第一透镜142。在本实施例中，第一透镜142是与所述第一 绝缘基体11一体成型的多个透镜。透镜的具体数量与光纤数量相同，且在位置上相对应。具体实施中，可以采用透明绝缘材料，如塑料、亚克力、玻璃等通过模制工艺，制得带有第一透镜142的第一绝缘基体11，还可以在第一绝缘基体11的除第一透镜142外的区域涂覆遮光层。该设计使得，不需要进行第一透镜142与第一绝缘基体11的对准及组合，因而具有安装误差小，组装工序简单的特点。
第二实施例：可插拔自由空间光电混合阳性连接器20，为方便描述，本申请一些地方简称为阳性连接器20。
参照图9-图14，本阳性连接器20包括：第二绝缘基体21，三组金属插针22，第二电路基板25，第二光通信模块，第二金属外壳23。
第二绝缘基体21的前端形成有插接凸部211，所述插接凸部211被构造为与第一实施例的阴性连接器10的插接腔111相匹配。第二绝缘基体21的后端形成有一个第二光纤安装孔214和三个第二电极安装孔213，第二光纤安装孔214位于后端中部，三个第二电极安装孔213呈品字形分布。
三组金属插针22安装于第二绝缘基体21的三个第二电极安装孔213，其中一组金属插针22的触接部221从所述插接凸部211的顶部露出，其余两组金属插针22的触接部221从所述插接凸部211的底部露出。
第二光通信模块包括：设于所述第二光纤安装孔214的、用于承载光纤的第二光纤连接器241(见图8)；以及设于所述插接凸部211的面部的、与所述第二光纤连接器241的出光端相对的、用于对从所述阳性连接器20输往所述阴性连接器10的光束做扩大处理的第二透镜242，所述第二透镜242的位置被配置为：所述阳性连接器20和所述阴性连接器10在插接状态时，所述第二透镜242和所述阴性连接器10的第一透镜142之间具有一定间距D。其中，第二透镜242成型在所述插接凸部211的面部。
第二金属外壳23套设在第二绝缘基体21的外周，通过卡接结构与第二绝 缘基体21组合，所述第二金属外壳23设有卡配部231，所述卡配部231被构造为与第一实施例的阴性连接器10的第一金属外壳13上的卡接部131相匹配，卡配部231具体为扣条。
第二电路基板25安装于所述第二绝缘基体21的后端，三组金属插针22、以及第二金属外壳23分别与该第二电路基板25焊接。
图11中示出了一个金属插针组件的结构。如图11所示，金属插针组件含四个金属插针22，其中，在金属插针22的中部注塑有绝缘块122，通过绝缘块122将四个金属插针22构成一个组件，一个金属插针组件用于接收或发送一组电信号。通过所述绝缘块122与第二绝缘基体21上的第二电极安装孔213插配，将所述金属插针22安装于所述第二电极安装孔213。相比直接将金属插针22逐一安装到第二绝缘基体21的方法，这种模块化安装具有一致性好，工艺简单的特点。作为另一种优选的实施方式，可以采用模内注塑方式将金属插针22结合到所述第二绝缘基体21。
所述绝缘块122的后端和所述第二光纤连接器241的后端均与所述第二电路基板25抵接，第二电路基板25可阻止第二光纤连接器241和金属插针22后退。
所述插接凸部211的顶部和底部设有沿插拔方向延伸的凸块212，所述凸块212被构造为与第一实施例阴性连接器10的插接腔111的顶部和底部的凹槽112相匹配。
图13中示出了第二透镜242。在本实施例中，第二透镜242是与所述第二绝缘基体21一体成型的多个透镜。透镜的具体数量与光纤数量相同，且在位置上相对应。具体实施中，可以采用透明绝缘材料，如塑料、亚克力、玻璃等通过模制工艺，制得带有第二透镜242的第二绝缘基体21，还可以在第二绝缘基体21的除第二透镜242外的区域涂覆遮光层。该设计使得，不需要进行第二透镜242与第二绝缘基体21的对准及组合，因而具有安装误差小，组装工序简单 的特点。
图15-图17示出了阳性连接器20和阴性连接器10插接状态。其中，图16为图15的A-A向剖视图；图17为图15的B-B向剖视图。图16中可见，在插接状态，卡接部131和卡配部231结合，使得阳性连接器20和阴性连接器10保持在插接状态，从而能够避免由于插接腔111和插接凸部211配合松动导致的信号不稳定现象。图17可见，在插接状态，金属弹片12的触接部121压在金属插针22的触接部221，一方面实现电性连接，用于在阳性连接器20和阴性连接器10之间传送电信号，另一方面，金属弹片12对阳性连接器20产生夹紧的弹力,该弹力可阻止阳性连接器20在阴性连接器10中晃动，从而可提高光信号和电信号的传输的稳定性。
上述可插拔自由空间光电混合性连接器至少具有以下优点：
1、既能传输光信号，又能传输电信号。
2、阴性连接器10和阳性连接器20之间通过自由空间光连接，且配置了用于将传输给对方的光束扩大的透镜，使得光路对尺寸公差的容忍度以及对污染物的容忍度较高，从而使得连接器具有加工良品率高、可靠性高的特点。
3、采用金属弹片12做电极实现电信号传输，并且在插接腔111的顶部和底部两个方向均设置金属弹片12，不但可以传输多组电信号，而且顶部和底部的金属弹片12从顶部和底部两个方向对阳性连接器20产生夹紧的弹力，可阻止阳性连接器20在阴性连接器10中晃动，从而可提高光信号和电信号的传输稳定性。
4、具有金属外壳，一方面可屏蔽干扰信号，另一方面通过金属外壳上的卡接部131和卡配部231，能够将阳性连接器20和阴性连接器10保持在插接状态，能够避免由于插接腔111和插接凸部211配合松动导致的信号不稳定现象。
5、在插接凸部211的顶部和底部、以及插接腔111的顶部和底部设置有相互配合的凹槽112和凸块212，在插接过程中，可以辅助引导阳性连接器20的 透镜和阴性连接器10的透镜精确对准。
上述通过具体实施例对本发明进行了详细的说明，这些详细的说明仅仅限于帮助本领域技术人员理解本发明的内容，并不能理解为对本发明保护范围的限制。本领域技术人员在本发明构思下对上述方案进行的各种润饰、等效变换等均应包含在本发明的保护范围内。

Claims (12)

  1. 一种可插拔自由空间光电混合阴性连接器(10)，其特征在于，包括：
    第一绝缘基体(11)，其前端形成有插接腔(111)，后端形成有第一光纤安装孔(114)和第一电极安装孔(113)；
    多组金属弹片(12)，其安装于所述第一电极安装孔(113)，其中至少一组金属弹片(12)的触接部(121)从所述插接腔(111)的顶部露出，还有至少一组金属弹片(12)的触接部(121)从所述插接腔(111)的底部露出；
    第一电路基板(16)，其安装于所述第一绝缘基体(11)的后端、并与所述多组金属弹片(12)电连接；以及
    第一光通信模块，所述第一光通信模块包括：
    设于所述第一光纤安装孔(114)的用于承载光纤的第一光纤连接器(141)；以及
    设于所述插接腔(111)的背部的、与所述第一光纤连接器(141)的出光端相对的、用于对从所述阴性连接器(10)输往所述阳性连接器(20)的光束做扩大处理的第一透镜(142)，所述第一透镜(142)的位置被配置为：所述阴性连接器(10)和所述阳性连接器(20)在插接状态时，所述第一透镜(142)和所述阳性连接器(20)的第二透镜(242)之间具有一定间距(D)。
  2. 根据权利要求1所述的阴性连接器(10)，其特征在于，所述第一绝缘基体(11)的外周还具有第一金属外壳(13)，所述第一金属外壳(13)设有卡接部(131)，所述卡接部(131)被构造为：在所述插接状态，所述卡接部(131)与所述阳性连接器(20)卡配，使所述阳性连接器(20)和所述阴性连接器(10)保持在插接状态。
  3. 根据权利要求1所述的阴性连接器(10)，其特征在于，各组所述金属弹片(12)的中部分别设有绝缘块(122)，所述绝缘块(122)与所述第一电极安装孔(113)插配，以此将所述金属弹片(12)安装于所述第一电极安装孔(113)。
  4. 根据权利要求3所述的阴性连接器(10)，其特征在于，所述绝缘块(122)的后端和所述第一光纤连接器(141)的后端均与所述第一电路基板(16)抵接。
  5. 根据权利要求1所述的阴性连接器(10)，其特征在于，所述插接腔(111)的顶部和/或底部设有沿插拔方向延伸的凹槽(112)。
  6. 根据权利要求1所述的阴性连接器(10)，其特征在于，所述第一透镜(142)包括与所述第一绝缘基体(11)一体成型的一个或多个透镜。
  7. 一种可插拔自由空间光电混合阳性连接器(20)，其特征在于，包括：
    第二绝缘基体(21)，其前端形成有插接凸部(211)，后端形成有第二光纤安装孔(214)和第二电极安装孔(213)，所述插接凸部(211)被构造为与相应的阴性连接器(10)的插接腔(111)相匹配；
    多组金属插针(22)，其安装于所述第二电极安装孔(213)，其中至少一组金属插针(22)的触接部(221)从所述插接凸部(211)的顶部露出，还有至少一组金属插针(22)的触接部(221)从所述插接凸部(211)的底部露出；
    第二电路基板(25)，其安装于所述第二绝缘基体(21)的后端、并与所述多组金属插针(22)电连接；以及
    第二光通信模块，所述第二光通信模块包括：
    设于所述第二光纤安装孔(214)的、用于承载光纤的第二光纤连接器(241)；以及
    设于所述插接凸部(211)的面部的、与所述第二光纤连接器(241)的出光端相对的、用于对从所述阳性连接器(20)输往所述阴性连接器(10)的光束做扩大处理的第二透镜(242)，所述第二透镜(242)的位置被配置为：所述阳性连接器(20)和所述阴性连接器(10)在插接状态时，所述第二透镜(242)和所述阴性连接器(10)的第一透镜(142)之间具有一定间距(D)。
  8. 根据权利要求7所述的阳性连接器(20)，其特征在于，所述第二绝缘基体(21)的外周还具有第二金属外壳(23)，所述第二金属外壳(23)设有卡配部 (231)，所述卡配部(231)被构造为与相应阴性连接器(10)的第一金属外壳(13)上的卡接部(131)相匹配。
  9. 根据权利要求7所述的阳性连接器(20)，其特征在于，各组所述金属插针(22)的中部分别设有绝缘块(122)，所述绝缘块(122)与所述第二电极安装孔(213)插配，以此将所述金属插针(22)安装于所述第二电极安装孔(213)。
  10. 根据权利要求9所述的阳性连接器(20)，其特征在于，所述绝缘块(122)的后端和所述第二光纤连接器(241)的后端均与所述第二电路基板(25)抵接。
  11. 根据权利要求7所述的阳性连接器(20)，其特征在于，所述插接凸部(211)的顶部和/或底部设有沿插拔方向延伸的凸块(212)，所述凸块(212)被构造为与相应阴性连接器(10)的插接腔(111)的顶部和/或底部的凹槽(112)相匹配。
  12. 根据权利要求7所述的阳性连接器(20)，其特征在于，所述第二透镜(242)包括与所述第二绝缘基体(21)一体成型的一个或多个透镜。
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