[go: up one dir, main page]

WO2012096062A1 - Connecteur - Google Patents

Connecteur Download PDF

Info

Publication number
WO2012096062A1
WO2012096062A1 PCT/JP2011/077358 JP2011077358W WO2012096062A1 WO 2012096062 A1 WO2012096062 A1 WO 2012096062A1 JP 2011077358 W JP2011077358 W JP 2011077358W WO 2012096062 A1 WO2012096062 A1 WO 2012096062A1
Authority
WO
WIPO (PCT)
Prior art keywords
plug
receptacle
external electrode
axis direction
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2011/077358
Other languages
English (en)
Japanese (ja)
Inventor
裕史 浅井
力 浦谷
統久 玉澤
厚史 小西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to CN2011800559689A priority Critical patent/CN103221860A/zh
Priority to JP2012552638A priority patent/JP5556905B2/ja
Publication of WO2012096062A1 publication Critical patent/WO2012096062A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • 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
    • 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

Definitions

  • the present invention relates to a connector, and more particularly to a connector used when transmitting a signal through an optical fiber.
  • FIG. 11 is an external perspective view of the connector 500 described in Patent Document 1.
  • FIG. 11 is an external perspective view of the connector 500 described in Patent Document 1.
  • the connector 500 includes a plug-side connector 520, a receptacle-side connector 540, electrical wiring 550, and an IC driver 560, as shown in FIG.
  • the plug-side connector 520 is provided at one end of the optical fiber 502 and is configured to be detachable from the receptacle-side connector 540.
  • the plug-side connector 520 includes a photoelectric conversion element.
  • Receptacle side connector 540 is mounted on substrate 503.
  • the IC driver 560 is a circuit that processes a signal transmitted through the optical fiber 502.
  • the electrical wiring 550 electrically connects the receptacle-side connector 540 and the IC driver 560.
  • the connector 500 described in Patent Document 1 has a problem that it is difficult to obtain a high SN ratio.
  • an IC driver 560 is provided outside the receptacle-side connector 540. Therefore, an electrical wiring 550 for connecting the receptacle-side connector 540 and the IC driver 560 is provided.
  • a photoelectric conversion element such as a photodiode can output only an electric signal having a very weak current value. Therefore, the current value of the electric signal flowing through the electric wiring 550 is also weak. If noise is mixed in such an electric signal having only a weak current value, the SN ratio is greatly reduced.
  • the connector 500 described in Patent Document 1 since the receptacle-side connector 540 and the IC driver 560 are separated from each other, it is difficult to obtain a high SN ratio.
  • an object of the present invention is to provide a connector capable of obtaining a high S / N ratio.
  • a connector includes a plug provided at one end of an optical fiber, a receptacle to which the plug is mounted from above, an electric circuit unit, and a circuit board on which the electric circuit unit and the receptacle are mounted.
  • the plug is provided on a side surface of the plug body, a plug body, a light receiving element that is provided in the plug body and converts an optical signal output from the optical fiber into an electrical signal,
  • a first external electrode electrically connected to the light receiving element, and the receptacle includes a receptacle body provided with an opening in which the plug is mounted from above, and the plug is the opening.
  • a connector capable of obtaining a high S / N ratio can be provided.
  • FIG. 1 is an external perspective view of a connector according to an embodiment of the present invention. It is the external appearance perspective view which isolate
  • FIG. 8A is a diagram used for explaining the fitting force when the plug and the receptacle are fitted at the four corners of the plug.
  • FIG. 8A is a diagram used for explaining the fitting force when the plug and the receptacle are fitted at the four corners of the plug.
  • FIG. 8B is a diagram used for explaining the fitting force when the plug and the receptacle are fitted at other than the four corners of the plug. It is a figure showing the front-end
  • 1 is an external perspective view of a connector described in Patent Document 1.
  • FIG. 1 is an external perspective view of a connector 1 according to an embodiment of the present invention.
  • FIG. 2 is an external perspective view in which the plug 10 is separated from the connector 1.
  • FIG. 3 is an exploded perspective view of the plug 10.
  • FIG. 4 is a diagram illustrating a state in which the receptacle body 21 and the electric circuit unit 30 are mounted on the circuit board 40.
  • the connector 1 includes a plug 10, a receptacle 20, an electric circuit unit 30, and a circuit board 40.
  • the plug 10 is provided at one end of the optical fiber 50 and converts an optical signal into an electric signal or converts an electric signal into an optical signal.
  • the direction in which the optical fiber 50 extends is defined as the x-axis direction
  • the vertical direction is defined as the z-axis direction
  • the direction orthogonal to the x-axis direction and the z-axis direction is defined as the y-axis direction.
  • the x-axis direction, the y-axis direction, and the z-axis direction are orthogonal to each other.
  • the circuit board 40 has an electric circuit on its surface and inside, and has a mounting surface 43 parallel to the xy plane, as shown in FIGS. Further, a hole 41 is provided in the mounting surface 43 of the circuit board 40.
  • the holes 41 are provided near the side on the positive side in the y-axis direction and near the side on the negative direction side in the y-axis direction on the mounting surface 43 and face each other.
  • the receptacle 20 and the electric circuit unit 30 are mounted so as to be arranged in this order from the positive direction side to the negative direction side in the x-axis direction.
  • the optical fiber 50 includes a coating 52 and a core wire 54.
  • the core wire 54 includes a core and a clad made of glass or resin.
  • the coating 52 is UV, fluorine, silicone resin, polycarbonate, acrylic, or a mixture thereof, and covers the core wire 54.
  • the coating 52 is removed and the core wire 54 is exposed as shown in FIG.
  • the plug 10 has a rectangular shape when viewed from the positive side (upper side) in the z-axis direction, and includes a plug body 13, a ferrule 17, and a metal member 18, as shown in FIG.
  • the plug body 13 includes a substrate 11, a light receiving element 12, a sealing resin 15, external electrodes 16a and 16b, terminal portions 19a and 19b, and vias V1 and V2.
  • the substrate 11 is a resin substrate having a rectangular parallelepiped shape.
  • a light receiving element 12 is mounted on the side surface of the substrate 11 on the positive side in the x-axis direction, as will be described below.
  • the light receiving element 12 is made of a semiconductor element, and converts the optical signal output from the optical fiber 50 into an electrical signal.
  • the external electrodes 16a and 16b are provided on the negative side surface in the x-axis direction of the substrate 11 so as to be arranged in this order from the positive direction side in the y-axis direction to the negative direction side.
  • the terminal portions 19a and 19b are provided on the side surface of the substrate 11 on the positive direction side in the x-axis direction so as to be arranged in this order from the positive direction side in the y-axis direction to the negative direction side.
  • the external electrode 16a and the terminal portion 19a face each other and are connected by the via V1.
  • the external electrode 16b and the terminal portion 19b face each other and are connected by a via V2.
  • the light receiving element 12 is mounted on the terminal portion 19a. Further, the terminal portion 19b and the light receiving element 12 are electrically connected using wire X by wire bonding. Thereby, the light receiving element 12 and the external electrodes 16a and 16b are electrically connected.
  • the sealing resin 15 is made of a transparent resin and seals the light receiving element 12 mounted on the substrate 11. As a result, the light receiving element 12 is embedded in the plug body 13.
  • the ferrule 17 is a resin member having a rectangular parallelepiped shape.
  • the ferrule 17 fixes the optical fiber 50 and the plug main body 13 with the core wire 54 and the light receiving element 12 facing each other.
  • the ferrule 17 is provided with a recess A and a hole H.
  • the recess A is formed by the depression of the side surface of the ferrule 17 on the negative direction side in the x-axis direction. As a result, the sealing resin 15 is fitted into the recess A, and the plug body 13 is fixed to the ferrule 17.
  • the hole H is a cylindrical cavity, and is provided so as to extend from the side surface on the positive direction side in the x-axis direction of the ferrule 17 to the negative direction side in the x-axis direction and penetrate into the recess A. Yes. Therefore, when the core wire 54 is inserted into the hole H from the positive direction side in the x-axis direction, the light receiving element 12 and the optical fiber 50 face each other and are optically connected.
  • the metal member 18 is provided so as to cover the light receiving element 12 from the positive side in the z-axis direction.
  • the metal member 18 covers the positive-side surface in the z-axis direction, the positive-side surface in the y-axis direction, and the negative-side surface in the y-axis direction of the plug body 13 and the ferrule 17. Further, as shown in FIGS. 2 and 3, the metal member 18 is provided with recesses 80, 81, 82, 83. As shown in FIG. 2, the concave portion 80 and the concave portion 81 are provided by the depression of the side surface on the positive direction side in the y-axis direction of the metal member 18.
  • the recess 80 is provided on the positive side in the x-axis direction with respect to the recess 81. As shown in FIG. 3, the recess 82 and the recess 83 are provided by the depression of the side surface on the negative direction side in the y-axis direction of the metal member 18. The recess 82 is provided on the positive side in the x-axis direction with respect to the recess 83.
  • the electric circuit unit 30 is mounted on the mounting surface 43 of the circuit board 40 on the negative direction side of the receptacle 20 in the x-axis direction, and processes a signal transmitted by the plug 10.
  • the electric circuit unit 30 includes a circuit element 31, an IC 32, a metal cap 33, and a resin unit 35.
  • the circuit element 31 is a chip-type electronic component that is mounted on the mounting surface 43 of the circuit board 40.
  • the IC 32 is a semiconductor integrated circuit including an amplifier circuit.
  • the amplifier circuit in the IC 32 is a circuit for amplifying an electric signal output from the light receiving element 12, and is electrically connected to spring terminals 23a and 23b described later.
  • the circuit element 31 and the IC 32 are sealed with a resin portion 35.
  • the metal cap 33 is a cap that covers the circuit element 31 and the IC 32 sealed by the resin portion 35.
  • the metal cap 33 covers the resin part 35 from the positive direction side in the z-axis direction, the positive direction side in the y-axis direction, and the negative direction side in the y-axis direction.
  • FIG. 5 is an exploded perspective view of the receptacle 20.
  • FIG. 6 is a view of the receptacle 20 as seen from the back side.
  • the receptacle 20 includes a receptacle body 21, spring terminals 23 a and 23 b, an insulating portion 25, a fixing member 29, and holding members 70 to 73, and is mounted on the circuit board 40.
  • the plug 10 is attached to the receptacle 20 from the positive direction side (upward) in the z-axis direction.
  • the receptacle body 21, the fixing member 29, and the holding members 70 to 73 are configured by bending a single metal plate. More specifically, the receptacle body 21, the fixing member 29, and the holding members 70 to 73 are configured by bending a single rectangular metal plate. More specifically, the positive side of the metal plate in the x-axis direction, the central part of the positive side in the y-axis direction, and the central part of the negative side in the y-axis direction are in the negative direction in the z-axis direction.
  • the receptacle body 21, the fixing member 29, and the holding members 70 to 73 are configured by being bent toward the side.
  • the receptacle body 21 is a housing in which the plug 10 is mounted from the positive direction side in the z-axis direction.
  • the receptacle body 21 is provided with an opening O that is rectangular when viewed from the positive direction side in the z-axis direction and in which the plug 10 is mounted from the positive direction side (upward) in the z-axis direction.
  • the receptacle body 21 has a shape (that is, a square shape) surrounding the plug 10 when viewed from the positive direction side (upward) in the z-axis direction. More specifically, the opening O is surrounded by sides k, l, m, and n.
  • the side on the negative direction side in the x-axis direction is the side k
  • the side on the positive direction side in the x-axis direction is the side l
  • the side on the positive direction side in the y-axis direction is the side m
  • the side on the negative direction side in the y-axis direction is the side n.
  • Side k and side l, side m and side n are parallel to each other.
  • notches A and B are provided at both ends of the side m so as to be recessed from the opening O toward the positive side (outer side) in the y-axis direction.
  • the notch A is located on the positive side in the x-axis direction from the notch B.
  • the notches A and B each have a trapezoidal shape in which the width in the x-axis direction becomes narrower from the side m toward the positive side in the y-axis direction.
  • notches C and D are provided at both ends of the side n so as to be recessed from the opening O toward the negative side (outer side) in the y-axis direction.
  • the notch C is located on the positive side in the x-axis direction with respect to the notch D.
  • Each of the cutouts C and D has a trapezoidal shape in which the width in the x-axis direction becomes narrower from the side n toward the negative direction side in the y-axis direction (moving away).
  • the fixing member 29 is connected to the end on the negative side in the x-axis direction on the positive side in the y-axis direction and the negative side in the y-axis direction of the receptacle body 21. Yes.
  • the fixing member 29 extends in the z-axis direction and is press-fitted into the hole 41 of the circuit board 40 as shown in FIGS. 1 and 2.
  • the receptacle 20 is mounted on the circuit board 40.
  • the fixing member 29 is connected to the ground conductor in the fixed substrate 40.
  • the receptacle body 21 is kept at the ground potential.
  • the holding members 70 and 71 are spring members that are positioned at both ends of the side m and fix the plug 10.
  • the holding member 70 is located on the positive side in the x-axis direction with respect to the holding member 71.
  • the end portions on the negative direction side in the y-axis direction of the holding members 70 and 71 are referred to as end portions 70a and 71a
  • the end portions on the positive direction side in the y-axis direction are referred to as end portions 70b and 71b.
  • the end portions 70a and 71a are located in the opening O when viewed from the positive direction side in the z-axis direction.
  • the end portion 70a is located in the notch A
  • the end portion 71a is located in the notch B.
  • the end portions 70b and 71b are connected to the receptacle body 21. Accordingly, the holding members 70 and 71 are U-shaped when viewed from the x-axis direction. The widths of the end portions 70a and 71a in the x-axis direction are narrower than the widths of the end portions 70b and 71b in the x-axis direction. That is, the holding members 70 and 71 have a trapezoidal shape whose width becomes narrower toward the tip.
  • the holding members 72 and 73 are spring members that are positioned at both ends of the side n and fix the plug 10.
  • the holding member 72 is located on the positive side in the x-axis direction with respect to the holding member 73.
  • the ends of the holding members 72 and 73 on the positive side in the y-axis direction are end portions 72a and 73a
  • the ends on the negative direction side in the y-axis direction are end portions 72b and 73b (not shown).
  • the ends 72a and 73a are located in the opening O when viewed from the positive direction side in the z-axis direction.
  • the end portion 72 a is located in the notch C
  • the end portion 73 a is located in the notch D.
  • the end portions 72b and 73b are connected to the receptacle body 21.
  • the holding members 72 and 73 are U-shaped when viewed from the x-axis direction.
  • the widths of the end portions 72a and 73a in the x-axis direction are narrower than the widths of the end portions 72b and 73b in the x-axis direction. That is, the holding members 72 and 73 have a trapezoidal shape whose width becomes narrower toward the tip.
  • the spring terminals 23 a and 23 b are signal external electrodes that are electrically connected to the plug 10. Below, it demonstrates in detail about the spring terminals 23a and 23b.
  • the spring terminal 23a includes a contact portion 90a, a spring portion 91a, and a fixing portion 92a.
  • the spring portion 91a is a U-shaped leaf spring that connects the contact portion 90a and the fixed portion 92a and has a folded portion when viewed from the positive direction side (upward) in the z-axis direction.
  • the spring portion 91a is located on the negative side in the x-axis direction with respect to the holding member 71, and has spring members 93a and 94a and a folded portion 95a as shown in FIG.
  • the spring members 93a and 94a are made of leaf springs that extend along the side k and are bent in the same direction.
  • the spring members 93a and 94a have a " ⁇ " shape that is bent toward the negative side in the x-axis direction near the middle point in the y-axis direction, and are viewed from the positive direction side in the z-axis direction. Sometimes, as it goes to the positive direction side in the y-axis direction, it bends to the negative direction side in the x-axis direction.
  • the spring member 93a is located closer to the positive side in the x-axis direction than the spring member 94a.
  • the spring member 93a faces the holding member 71 on the negative side in the x-axis direction of the holding member 71 when viewed from the positive direction side (upward) in the z-axis direction, and moves away from the holding member 71. Bent in the direction.
  • the folded portion 95a has an arc shape, and connects the end of the spring member 93a on the positive direction side in the y-axis direction and the end of the spring member 94a on the positive direction side in the y-axis direction.
  • the spring terminal 23b includes a contact portion 90b, a spring portion 91b, and a fixing portion 92b.
  • the spring portion 91b is a U-shaped leaf spring that connects the contact portion 90b and the fixed portion 92b and has a folded portion when viewed from the positive direction side in the z-axis direction.
  • the spring portion 91b is located on the negative side in the x-axis direction with respect to the holding member 73, and has spring members 93b and 94b and a folded portion 95b as shown in FIG.
  • the spring members 93b and 94b are made of leaf springs that extend along the side k and are bent in the same direction.
  • the spring members 93b and 94b have a " ⁇ " shape that is bent toward the negative side in the x-axis direction near the middle point in the y-axis direction, and are viewed from the positive direction side in the z-axis direction. Sometimes, as it goes to the negative direction side in the y-axis direction, it bends to the negative direction side in the x-axis direction.
  • the spring member 93b is located closer to the positive side in the x-axis direction than the spring member 94b. Accordingly, the spring member 93 b faces the holding member 73 on the negative side of the holding member 73 in the x-axis direction and is bent in a direction away from the holding member 73.
  • the folded portion 95b has an arc shape, and connects the end of the spring member 93b on the negative direction side in the y-axis direction and the end of the spring member 94b on the negative direction side in the y-axis direction.
  • the contact portions 90a and 90b are end portions of the end portions of the spring terminals 23a and 23b that are located on the positive direction side in the x-axis direction (the one to which the folded portion 95 is not connected).
  • the contact portion 90a is connected to the end of the spring member 93a on the negative side in the y-axis direction and on the positive side in the z-axis direction.
  • the contact portion 90b is connected to the end of the spring member 93b on the positive side in the y-axis direction and on the positive direction side in the z-axis direction.
  • the contact portions 90 a and 90 b are located in the opening O when viewed from the positive direction side (upward) in the z-axis direction.
  • the contact portions 90a and 90b are bent so as to form an inverted U shape when viewed from the positive direction side in the y-axis direction (the direction that is horizontal and orthogonal to the optical fiber 50),
  • the portions 91a and 91b are drawn to the positive direction side in the x-axis direction.
  • the contact portions 90a and 90b are in contact with the side surface of the plug 10 on the negative side in the x-axis direction. More specifically, the contact portions 90a and 90b are in contact with the external electrodes 16a and 16b of the plug 10, respectively.
  • the contact portions 90a and 90b are inclined so that the angle formed by the end portions on the positive direction side in the x-axis direction of the spring portions 91a and 91b is about 45 °.
  • the fixing portions 92a and 92b are end portions of the end portions of the spring terminals 23a and 23b that are located on the negative direction side in the x-axis direction (the side to which the folded portion 95 is not connected), and are fixed in the x-axis direction. It extends toward the negative direction.
  • the fixed portions 92a and 92b are located outside the opening O with respect to the side k when viewed from the positive direction side (upward) in the z-axis direction.
  • the fixed portion 92a is connected to the end of the spring member 94a on the negative direction side in the y-axis direction and on the negative direction side in the z-axis direction.
  • the fixed portion 92b is connected to the end of the spring member 94b on the positive side in the y-axis direction and on the negative direction side in the z-axis direction.
  • the fixing portions 92a and 92b are connected to lands (not shown) of the circuit board 40 when the receptacle 20 is mounted, and function as external terminals.
  • the spring terminals 23a and 23b configured as described above have a U shape having folded portions 95a and 95b when viewed from the positive side in the z-axis direction.
  • the spring terminal 23a has a U-shaped folded portion 95a facing the positive direction side in the y-axis direction, and the tip of the folded portion 95a is side m when viewed from the positive direction side (upward) in the z-axis direction. It is located on the positive side in the y-axis direction (outside with respect to the opening O) with respect to (side perpendicular to the side k).
  • the U-shaped folded portion 95b faces the negative direction side in the y-axis direction, and the tip of the folded portion 95b is in the negative direction in the y-axis direction from the side n (side perpendicular to the side k). It is located on the side (outside with respect to the opening O).
  • the spring terminal 23a and the spring terminal 23b are axisymmetric with respect to the x-axis (the direction in which the optical fiber 50 extends) when viewed from the positive direction side (upward) in the z-axis direction. ing.
  • the spring terminals 23a and 23b are configured such that the contact portions 90a and 90b are in contact with the external electrodes 16a and 16b, and the fixing portions 92a and 92b are connected to the lands of the circuit board 40. It functions as a terminal that relays signal transmission between them.
  • the insulating portion 25 has a rectangular parallelepiped shape and is made of resin.
  • the insulating portion 25 is integrally formed with the spring terminals 23a and 23b.
  • the spring terminals 23 a and 23 b are fixed to the receptacle body 21 by the insulating portion 25 so as not to be electrically connected to the receptacle body 21.
  • the spring portion 91a and the spring portion 91b are drawn out from the side surface on the positive side in the y-axis direction and the side surface on the negative direction side in the y-axis direction of the insulating portion 25. 92a and 92b are pulled out.
  • the insulating portion 25 is fixed to the receptacle body 21 on the upper surface 28 of the insulating portion 25.
  • the plug 10 is mounted in the opening O from the positive side in the z-axis direction.
  • the holding members 70 to 73 engage with the recesses 80 to 83, respectively.
  • the spring terminals 23a and 23b and the external electrodes 16a and 16b are in contact with each other, and the spring terminals 23a and 23b are in pressure contact with the external electrodes 16a and 16b.
  • the plug 10 is pushed to the positive side in the x-axis direction by the spring terminals 23a and 23b.
  • the plug 10 is fixed to the receptacle 20.
  • FIG. 7 is a schematic configuration diagram of a transmission / reception system 100 in which the connector 1 is used.
  • a receiving connector 1a and a transmitting connector 1b are provided at both ends of the optical fiber 50, respectively.
  • the receiving connector 1a includes a receiving circuit board 40a and a photodiode 12a.
  • the transmission connector 1b includes a transmission circuit board 40b and a VCSEL 12b. As a result, a signal is transmitted from the transmission connector 1b to the reception connector 1a through the optical fiber 50.
  • a high S / N ratio can be obtained. More specifically, in the connector 1, the contact portions 90a and 90b are in pressure contact with the external electrodes 16a and 16b, respectively. Therefore, the contact area between the contact portions 90a and 90b and the external electrodes 16a and 16b is larger than the contact area in the case where they are not in pressure contact with each other. The resistance value is also lower than the resistance value when they are not in pressure contact. Thereby, the current value of the electrical signal transmitted from the plug 10 to the electrical circuit unit 30 via the receptacle 20 is increased. Therefore, according to the connector 1, a high SN ratio can be obtained.
  • FIG. 8A is a diagram used for explaining the fitting force when the plug 10 and the receptacle 20 are fitted at the four corners of the plug 10.
  • FIG. 8B is a diagram used for explaining the fitting force when the plug 210 and the receptacle 220 are fitted at other than the four corners of the plug 210.
  • FIG. 8A when the plug 10 and the receptacle 20 are fitted at the four corners of the plug 10, and as shown in FIG. 8B, the plug 210 and the receptacle 220 are plugged.
  • the optical fibers 50 and 250 are fitted in two places other than the two ends on the negative side in the x-axis direction of 210 and the two ends other than the end on the positive direction side in the x-axis direction of the plug 210.
  • the ease of detachment of the plugs 10 and 210 when pulled to the positive side in the z-axis direction will be compared.
  • the fulcrum is the fulcrum S at the end of the plugs 10 and 210 on the negative side in the x-axis direction.
  • F1 is a force that pulls the optical fibers 50 and 250 toward the positive direction in the z-axis direction
  • F2 is a force that is applied to the plugs 10 and 210 by fitting.
  • L1 is the length from the point where the force is applied in the optical fibers 50 and 250 to the fulcrum S
  • L2 is the plug 10 and the receptacle 20 fitted at the positive end of the receptacle 20 in the x-axis direction. It is the length from the point to the fulcrum S.
  • L3 is the length from the point where the plug 210 and the receptacle 220 are fitted to the fulcrum S except for the negative end of the receptacle 220 in the x-axis direction.
  • M1 is a moment of force acting clockwise around the fulcrum S
  • M2 is a moment of force acting clockwise around the fulcrum S.
  • the holding members 70 to 73 are located at the four corners of the opening O of the receptacle 20 as shown in FIGS. Therefore, when the spring terminals 23a and 23b are arranged so as to form a U shape extending in the y-axis direction when viewed from the z-axis direction, the holding members 71 and 73 and the spring terminals 23a and 23b are in contact with each other. End up.
  • the spring terminals 23a and 23b so as to form an inverted U shape when viewed from the y-axis direction.
  • the length of the receptacle 20 extending in the z-axis direction becomes long, and the receptacle 20 cannot be reduced in height.
  • the spring terminals 23a and 23b have a configuration described below. More specifically, the spring members 93a and 93b have a “ ⁇ ” shape that is bent toward the negative side in the x-axis direction near the middle point in the y-axis direction. That is, the spring member 93a is bent toward the negative direction side in the x-axis direction as it goes to the positive direction side in the y-axis direction when viewed from the positive direction side in the z-axis direction. Similarly, when viewed from the positive direction side in the z-axis direction, the spring member 93b is bent toward the negative direction side in the x-axis direction as it goes to the negative direction side in the y-axis direction.
  • the spring members 93a and 93b facing the holding members 71 and 73 closest to the spring terminals 23a and 23b are moved away from the holding members 71 and 73. bent.
  • the contact of the spring members 93a and 93b with the holding members 71 and 73 is suppressed, and the height of the receptacle 20 is reduced.
  • the tips of the U-shaped folded portions of the spring terminals 23a and 23b are located on the positive side in the y-axis direction or on the negative direction side in the y-axis direction from the side m or the side n, respectively. Therefore, the length of the spring portions 91a and 91b can be made sufficiently long, and the spring terminals 23a and 23b are not easily plastically deformed even if they are greatly displaced. That is, high spring properties can be obtained at the spring terminals 23a and 23b.
  • the notches A to D have trapezoidal shapes in which the width in the x-axis direction becomes narrower as the distance from the sides m and n increases when viewed from the positive direction side in the z-axis direction. There is no.
  • the area of the receptacle body 21 is larger than in the case where the notches A to D are rectangular, so that the strength of the receptacle body 21 is increased.
  • the width in the x-axis direction at the end portions 70a, 71a, 72a, 73a of the holding members 70 to 73 is shorter than the width in the x-axis direction at the end portions 70b, 71b, 72b, 73b. Accordingly, even if the areas of the notches A to D are small, the holding members 70 to 73 can be fitted into the notches A to D.
  • the holding members 70 to 73 have hook shapes starting from the end portions 70b, 71b, 72b, 73b connected to the receptacle body 21. Therefore, the holding members 70 to 73 are long in the length of the portion functioning as a spring, and thus are difficult to be plastically deformed even if they are largely displaced. That is, a high spring property can be obtained.
  • the end portions 70a to 73a come into contact with the receptacle main body 21 if they are to be largely displaced. Therefore, the holding members 70 to 73 are not displaced so much as to be plastically deformed.
  • the plug 10 can be fixed to the receptacle body 21 by pushing the plug 10 toward the positive side in the x-axis direction by the contact portions 90a and 90b.
  • the tips of the contact portions 90a and 90b are inclined so that the angle formed by the spring members 93a and 93b is about 45 °, respectively. Therefore, the contact portions 90a and 90b can mechanically guide the plug 10.
  • the contact portions 90a and 90b are displaced in the x-axis direction when the spring members 93a and 93b are bent.
  • the insulating portion 25 is provided on the negative side of the contact portions 90 a and 90 b in the x-axis direction. For this reason, the contact portions 90a and 90b come into contact with the insulating portion 25 if they are to be largely displaced. Therefore, the contact portions 90a and 90b are not displaced so much as to be plastically deformed.
  • the fixing member 29 is press-fitted into the hole 41 as shown in FIGS. 1 and 2. Therefore, when the plug 10 is inserted into and removed from the receptacle 20, even if the receptacle 20 is stressed in the positive z-axis direction by pulling up the plug 10 in the positive z-axis direction, the receptacle 20 Since it is securely mounted on the circuit board 40, it cannot be detached from the circuit board 40.
  • the receptacle body 21 when viewed from the positive side (upper side) in the z-axis direction, the receptacle body 21 has a shape surrounding the plug 10, so that the plug 10 is difficult to be removed from the receptacle 20, and the plug The fitting force between 10 and the receptacle 20 can be increased.
  • FIG. 9 is a view showing a tip portion of a tweezers-type tool E used when the plug 10 is inserted and removed from the receptacle 20.
  • the plug 10 is removed from the receptacle 20 by fitting the L-shaped tool E shown in FIG. 9 into the recesses U and V (see FIGS. 2 and 3) of the plug 10 from the notches M and N. Insert and remove.
  • the plug 10 is sandwiched by the tool E and is inserted from the positive side of the receptacle body 21 in the z-axis direction.
  • the metal cap 33, the metal member 18, and the receptacle body 21 are connected to the ground, they are at the same potential. As a result, the entire connector 1 is shielded from external noise, and the connector 1 can exhibit a shielding effect. Due to the shielding effect, the ESD resistance (electrostatic discharge) and the EMC resistance (electromagnetic compatibility) of the circuit element 31 can be improved. In addition, the EMC resistance of the external electrical interface can be improved.
  • the metal member 18 and the receptacle body 21 are made of metal and are connected to a ground conductor (not shown) of the circuit board 40, respectively. Therefore, a large current due to static electricity is guided to the ground through the metal member 18, the receptacle body 21 and the ground conductor of the circuit board 40.
  • the plug 10 is in contact with the receptacle 20 through metal holding members 70 to 73 as shown in FIGS. Therefore, wear hardly occurs between the plug 10 and the holding members 70 to 73, and uneven contact due to variations in the shapes of the plug 10 and the holding members 70 to 73 can be prevented.
  • the click feeling at the time of fitting is strong, and the fact that the fitting has been achieved can be realized with sound and touch. Can do.
  • the connector 1 configured as described above is not limited to that shown in the embodiment. Therefore, the connector 1 can be changed within the scope of the gist.
  • the photoelectric conversion element of the receptacle body 21 in the present embodiment is the light receiving element 12, it may be a light emitting element.
  • the light emitting element converts the electrical signal output from the electrical circuit unit 30 into an optical signal and outputs the optical signal to the optical fiber 50.
  • the IC 32 of the electric circuit unit 30 functions as a drive circuit.
  • the IC 32 is electrically connected to the spring terminals 23a and 23b and generates an electric signal to be output to the light emitting element.
  • the IC 32 outputs a current value corresponding to the light amount of the light emitting element. Therefore, when the light amount of the light emitting element is small, the IC 32 outputs an electrical signal having a weak current value. Therefore, there is a problem that the S / N ratio is lowered when noise is applied to the electrical signal. Even in this case, it is effective to press the plug 10 and the receptacle 20 in pressure contact.
  • the external electrodes 16a and 16b may be spring terminals, and the spring terminals 23a and 23b provided in the receptacle 20 may be replaced with plate-like external electrodes.
  • the external electrodes 16a and 16b are U-shaped leaf springs when viewed from the y-axis direction (the direction that is horizontal and orthogonal to the optical fiber), and are in contact with the receptacle 20. .
  • FIG. 10 is a schematic configuration diagram 100a of a transmission / reception system in which the connector 1 according to another embodiment is used.
  • a SERDES device 99 may be provided in the receiving connector 1a and the transmitting connector 1b.
  • the SERDES device 99 is mounted on the circuit board 40.
  • the SERDES device 99 converts a serial signal into a parallel signal, and converts the parallel signal into a serial signal. As a result, the distance between the drive circuit and the SERDES circuit is narrowed, so that the optical transmission characteristics are improved.
  • the metal cap 33 and the receptacle body 21 may be integrated.
  • the ESD resistance and EMC resistance of the entire connector 1 can be improved.
  • the cost can be reduced by reducing the number of parts, and the manufacturing time can be shortened by reducing the number of man-hours at the time of manufacturing.
  • the receptacle 20 In the receptacle 20, four holding members are provided, but five or more holding members may be provided. In this case, since the plug 10 and the receptacle 20 are fitted at a plurality of locations, the fitting force can be further increased. Moreover, it is necessary to provide a plurality of notches in the receptacle body 21 so that the holding member and the receptacle body 21 do not come into contact with each other.
  • two spring terminals are provided, but only one spring terminal may be provided. This is because even a single spring terminal can be connected to the external electrodes 16a and 16b and the land (not shown) of the circuit board 40 if it has a contact portion and a fixed portion at both ends thereof. .
  • optical fibers 50 and light receiving elements 12 mounted on the plug 10. Thereby, the transmission capacity can be increased. Moreover, the optical fiber 50 and the light receiving element 12 may be arrayed.
  • the optical fiber 50 may be not only a quartz fiber but also an organic optical waveguide or POF (Plastic Optical Fiber). These optical transmission paths can be selected according to the application.
  • metal member 18 and the metal cap 33 may not be made of metal.
  • the present invention is useful for connectors, and is particularly excellent in that a connector capable of obtaining a high S / N ratio can be provided.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Semiconductor Lasers (AREA)

Abstract

La présente invention concerne un connecteur grâce auquel un rapport signal sur bruit élevé peut être obtenu. Une fiche d'alimentation électrique (10) qui est prévue à une extrémité d'une fibre optique (50) est fixée à une prise de courant (20) d'en haut. La prise de courant (20) et une section de circuit électrique (30) sont montées sur une carte de circuit imprimé (40). Un élément de réception de lumière convertit des signaux optiques émis depuis la fibre optique (50) en signaux électriques. Des électrodes extérieures sont connectées électriquement à l'élément de réception de lumière. Un corps principal de prise de courant (21) est doté d'une ouverture (O) comprenant la fiche d'alimentation électrique (10) qui y est fixée. Des bornes à ressort (23a, 23b) sont en contact avec les électrodes extérieures lorsque la fiche d'alimentation électrique (10) est fixée à l'intérieur de l'ouverture (O). Un circuit d'amplification est connecté électriquement aux bornes à ressort (23a, 23b), et amplifie les signaux électriques émis depuis l'élément de réception de lumière. Les bornes à ressorts (23a, 23b) sont en contact à pression avec les électrodes extérieures.
PCT/JP2011/077358 2011-01-13 2011-11-28 Connecteur Ceased WO2012096062A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011800559689A CN103221860A (zh) 2011-01-13 2011-11-28 连接器
JP2012552638A JP5556905B2 (ja) 2011-01-13 2011-11-28 コネクタ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011004792 2011-01-13
JP2011-004792 2011-01-13

Publications (1)

Publication Number Publication Date
WO2012096062A1 true WO2012096062A1 (fr) 2012-07-19

Family

ID=46506979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/077358 Ceased WO2012096062A1 (fr) 2011-01-13 2011-11-28 Connecteur

Country Status (4)

Country Link
JP (1) JP5556905B2 (fr)
CN (1) CN103221860A (fr)
TW (1) TWI476464B (fr)
WO (1) WO2012096062A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2944990A1 (fr) * 2014-05-13 2015-11-18 Hosiden Corporation Connecteur et dispositif électronique l'utilisant
CN105929489A (zh) * 2016-06-29 2016-09-07 东莞市广业电子有限公司 一种光纤连接器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016063186A (ja) * 2014-09-22 2016-04-25 日本ケミコン株式会社 電子部品およびその製造方法
EP3297093B1 (fr) * 2016-09-16 2019-01-02 Rosenberger Hochfrequenztechnik GmbH & Co. KG Connecteur a fiches destine a connecter une fibre optique et un conducteur electrique
CN109892018B (zh) * 2016-10-31 2023-06-09 佳能安内华股份有限公司 X射线产生装置和x射线拍摄系统
CN113238330B (zh) * 2021-05-10 2023-04-28 杭州耀芯科技有限公司 一种超薄型板对板光电转换装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04333806A (ja) * 1991-05-10 1992-11-20 Nec Corp 受光モジュール
JPH1168254A (ja) * 1997-08-25 1999-03-09 Hitachi Ltd 光モジュール及び光モジュールの製造方法
JP2006331741A (ja) * 2005-05-24 2006-12-07 Hirose Electric Co Ltd 光電気複合型コネクタ
WO2007119814A1 (fr) * 2006-04-14 2007-10-25 Omron Corporation Module de transmission optique, element de connexion, et dispositif electronique dote du module de transmission optique
WO2007122993A1 (fr) * 2006-04-20 2007-11-01 Mitsumi Electric Co., Ltd. Module de conversion électro-optique
JP2007328018A (ja) * 2006-06-06 2007-12-20 Hirose Electric Co Ltd 光電気複合型コネクタ
WO2008015862A1 (fr) * 2006-07-31 2008-02-07 Mitsumi Electric Co., Ltd. Connecteur permettant de connecter un composant électronique
JP2010135109A (ja) * 2008-12-02 2010-06-17 Hirose Electric Co Ltd 光電気変換装置、及び、これに用いる光電気複合型コネクタ
JP2010267512A (ja) * 2009-05-15 2010-11-25 Hirose Electric Co Ltd 光電気複合型コネクタ
JP2010267513A (ja) * 2009-05-15 2010-11-25 Hirose Electric Co Ltd 光電気複合型コネクタ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7359641B2 (en) * 2003-07-28 2008-04-15 Emcore Corporation Modular optical transceiver
WO2008015817A1 (fr) * 2006-07-31 2008-02-07 Mitsumi Electric Co., Ltd. Connecteur pour connecter un composant électronique

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04333806A (ja) * 1991-05-10 1992-11-20 Nec Corp 受光モジュール
JPH1168254A (ja) * 1997-08-25 1999-03-09 Hitachi Ltd 光モジュール及び光モジュールの製造方法
JP2006331741A (ja) * 2005-05-24 2006-12-07 Hirose Electric Co Ltd 光電気複合型コネクタ
WO2007119814A1 (fr) * 2006-04-14 2007-10-25 Omron Corporation Module de transmission optique, element de connexion, et dispositif electronique dote du module de transmission optique
WO2007122993A1 (fr) * 2006-04-20 2007-11-01 Mitsumi Electric Co., Ltd. Module de conversion électro-optique
JP2007328018A (ja) * 2006-06-06 2007-12-20 Hirose Electric Co Ltd 光電気複合型コネクタ
WO2008015862A1 (fr) * 2006-07-31 2008-02-07 Mitsumi Electric Co., Ltd. Connecteur permettant de connecter un composant électronique
JP2010135109A (ja) * 2008-12-02 2010-06-17 Hirose Electric Co Ltd 光電気変換装置、及び、これに用いる光電気複合型コネクタ
JP2010267512A (ja) * 2009-05-15 2010-11-25 Hirose Electric Co Ltd 光電気複合型コネクタ
JP2010267513A (ja) * 2009-05-15 2010-11-25 Hirose Electric Co Ltd 光電気複合型コネクタ

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2944990A1 (fr) * 2014-05-13 2015-11-18 Hosiden Corporation Connecteur et dispositif électronique l'utilisant
KR20150130215A (ko) * 2014-05-13 2015-11-23 호시덴 가부시기가이샤 커넥터 및 이 커넥터를 사용한 전자기기
TWI638196B (zh) * 2014-05-13 2018-10-11 日商星電股份有限公司 Connector and electronic machine using the same
KR102307379B1 (ko) 2014-05-13 2021-09-29 호시덴 가부시기가이샤 커넥터 및 이 커넥터를 사용한 전자기기
CN105929489A (zh) * 2016-06-29 2016-09-07 东莞市广业电子有限公司 一种光纤连接器

Also Published As

Publication number Publication date
TWI476464B (zh) 2015-03-11
TW201243409A (en) 2012-11-01
CN103221860A (zh) 2013-07-24
JPWO2012096062A1 (ja) 2014-06-09
JP5556905B2 (ja) 2014-07-23

Similar Documents

Publication Publication Date Title
TWI452370B (zh) Connector
CN101443963B (zh) 连接器
JP4964218B2 (ja) 光電気変換装置、及び、これに用いる光電気複合型コネクタ
JP5556905B2 (ja) コネクタ
CN100566045C (zh) 光电复合式连接器以及使用它的基板
JP5454705B2 (ja) レセプタクル及びコネクタ
JPWO2013001925A1 (ja) プラグ
JP2009236954A (ja) 光コネクタ及び立体成形回路基板
EP2040104B1 (fr) Module émetteur-récepteur optique avec réduction ameliorée du bruit
JP5445984B2 (ja) 光電気変換装置、及び、これに用いる光電気複合型コネクタ
CN102544854A (zh) 具有至少2个以上配合口的壳体的连结结构及由该连结结构形成的壳体、具有该壳体的连接器
JP2016225242A (ja) 光電気変換装置及び接続装置
JP6536952B2 (ja) 通信モジュール及び通信モジュール用コネクタ
JP5941378B2 (ja) 光コネクタ
WO2015080025A1 (fr) Connecteur optique et boîtier de blindage
CN117991462A (zh) 光电转换连接器
JP2014093140A (ja) 光電気変換装置
CN103389549A (zh) 光传送模块
JP2005227462A (ja) 光アクティブコネクタ
JP2013186161A (ja) コネクタ及びシールドケース
TW201500791A (zh) 光電轉換器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11855709

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2012552638

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11855709

Country of ref document: EP

Kind code of ref document: A1