CN109239869B - Parallel light receiving and transmitting module interconnected among parallel plates - Google Patents
Parallel light receiving and transmitting module interconnected among parallel plates Download PDFInfo
- Publication number
- CN109239869B CN109239869B CN201811383983.6A CN201811383983A CN109239869B CN 109239869 B CN109239869 B CN 109239869B CN 201811383983 A CN201811383983 A CN 201811383983A CN 109239869 B CN109239869 B CN 109239869B
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- Prior art keywords
- circuit board
- optical
- interface
- seat
- lower cover
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- 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
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- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
Abstract
The invention discloses a parallel light transceiving module interconnected among parallel plates, which comprises a shell component and a photoelectric conversion component, wherein the shell component comprises a shell body and a photoelectric conversion component; the invention adopts the photoelectric conversion assembly to be integrated in the shell assembly, the optical interface is arranged on the front side of the circuit board on the photoelectric conversion assembly, the electrical interface is arranged on the back side of the circuit board, the lens in the optical interface is coupled with the optical chip, and the received optical signal is converted into the electrical signal.
Description
Technical Field
The invention relates to photoelectric signal conversion in the technical field of optical fiber communication, in particular to a parallel optical transceiver module interconnected among parallel plates.
Background
With the rapid increase of the demand of high-speed, long-distance, integrated electro-optical and optoelectronic signal transmission, the parallel optical transceiver module is more and more applied to the field of high-speed transmission optoelectronic interconnection of chassis architecture. The photoelectric conversion module of the existing photoelectric interconnection technology is arranged on the daughter board, and optical signals are transmitted through the optical cable at the tail part of the module, the structure not only occupies the space of the daughter board, but also has the defects of tedious optical cable wiring, poor coupling effect of the optical cable and an optical chip and large signal transmission loss, once the optical cable is damaged, the module is directly scrapped, the module is inconvenient to maintain and overhaul, and the use requirements of various high-speed transmission photoelectric interconnection cases cannot be met.
Disclosure of Invention
The invention aims to provide a parallel optical transceiver module interconnected between parallel plates, aiming at the defects of the prior art, the invention adopts the mode that a photoelectric conversion assembly is integrated in a shell assembly, an optical interface is arranged on the photoelectric conversion assembly at the front side of a circuit board, an electrical interface is arranged at the back side of the circuit board, and a lens in the optical interface is coupled with an optical chip to convert a received optical signal into an electrical signal.
The specific technical scheme for realizing the purpose of the invention is as follows:
a parallel light transceiver module interconnected among parallel plates is characterized by comprising a shell component and a photoelectric conversion component;
the shell component is a rectangular shell component consisting of an upper cover and a lower cover, the middle part of the upper cover is provided with an optical cable socket, the diagonal corners of the upper cover are provided with guide holes, and the end surface of the upper cover 11 is provided with a spigot;
the lower cover is provided with an electric interface seat, a circuit board seat and a spigot seat in a layered mode, the electric interface seat is provided with a limiting groove, and the circuit board seat is provided with a positioning boss.
The photoelectric conversion assembly consists of an electrical interface, a circuit board and an optical interface, the electrical interface consists of a plurality of contact pieces which are arranged in rows and columns and are sequentially arranged on an insulating base, the contact pieces consist of fuzz buttons and fixing caps, and limiting lugs are arranged on two sides of the insulating base;
the front side of the circuit board is provided with an optical chip, the back side of the circuit board is provided with a plurality of electrical signal contacts, and the two sides of the circuit board are provided with limit lugs;
the optical interface is internally provided with a lens, the optical interface is pasted on an optical chip of the circuit board, and the lens of the optical interface is coupled with the optical chip.
The electric interface is arranged in the electric interface seat of the lower cover through the insulating base, and the limiting lug of the insulating base is meshed with the limiting groove of the lower cover; the circuit board is arranged on the circuit board seat of the lower cover, the limiting lug of the circuit board is meshed with the positioning lug boss of the lower cover, and the electric signal contact of the circuit board is in one-to-one corresponding contact with the fuzz button of the contact element on the electric interface;
the upper cover of the shell component is buckled on the lower cover, the seam allowance of the upper cover is meshed with the seam allowance seat of the lower cover, and the optical interface of the circuit board is located in the optical cable jack of the upper cover.
And the seam allowances of the upper cover and the lower cover of the shell component and the seam allowances are sealed by filling glue. The fixing cap of the contact element on the electric interface is limited in the insulating base, and the fuzz button is elastically connected with the fixing cap and the electric signal contact. The fuzz button and the fixing cap which form the contact element on the electric interface are both electric conductors.
The invention adopts the photoelectric conversion assembly to be integrated in the shell assembly, the optical interface is arranged on the front side of the circuit board on the photoelectric conversion assembly, the electrical interface is arranged on the back side of the circuit board, the lens in the optical interface is coupled with the optical chip, and the received optical signal is converted into the electrical signal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper and lower covers of the housing assembly of the present invention;
FIG. 3 is a schematic structural diagram of an electrical interface of the electrical conversion assembly of the present invention;
FIG. 4 is a view taken along line A of FIG. 1;
fig. 5 is an exploded view of fig. 1.
Detailed Description
Referring to fig. 1, 2, 3 and 5, the photoelectric conversion device comprises a housing assembly 1 and a photoelectric conversion assembly 2, wherein the housing assembly 1 is a rectangular housing member composed of an upper cover 11 and a lower cover 12, an optical cable socket 112 is arranged in the middle of the upper cover 11, guide holes 111 are arranged on opposite angles, and a seam allowance is arranged on the end surface of the upper cover 11;
the lower cover 12 is layered with an electrical interface seat 121, a circuit board seat 122 and a spigot seat 123, the electrical interface seat is provided with a limiting groove 124, and the circuit board seat is provided with a positioning boss 125.
Referring to fig. 1, 3 and 5, the electrical conversion module 2 is composed of an electrical interface 21, a circuit board 22 and an optical interface 23,
the electric interface 21 is formed by sequentially arranging a plurality of contact pieces which are arranged in rows and columns on an insulating base, each contact piece consists of a fuzz button 211 and a fixing cap 212, and limiting lugs are arranged on two sides of the insulating base;
the circuit board 22 has an optical chip 221 on the front surface, a plurality of electrical signal contacts 222 on the back surface, and limit bumps on both sides;
the optical interface 23 is provided with a lens therein, the optical interface 23 is adhered to the optical chip 221 of the circuit board 22, and the lens of the optical interface 23 is coupled to the optical chip 221.
Referring to fig. 1, 2, 4, and 5, the electrical interface 21 is disposed in the electrical interface seat 121 of the lower cover 12 through an insulating base, and a limit protrusion of the insulating base is engaged with a limit groove 124 of the lower cover 12;
the circuit board 22 is arranged on the circuit board seat 122 of the lower cover 12, the limit lug of the circuit board 22 is meshed with the positioning boss 125 of the lower cover 12, and the electrical signal contact 222 of the circuit board 22 and the fuzz button 211 of the upper contact element of the electrical interface 21 are correspondingly contacted one by one;
referring to fig. 1, 2 and 5, the upper cover 11 of the housing assembly 1 is fastened to the lower cover 12, the socket of the upper cover 11 is engaged with the socket seat 123 of the lower cover 12, and the optical interface 23 of the circuit board 22 is seated in the cable insertion opening 112 of the upper cover 11.
The gap between the upper cover 11 and the lower cover 12 of the housing assembly 1 and the gap seat 123 are sealed by filling glue.
Referring to fig. 1, 3 and 5, the fixing cap 212 of the contact on the electrical interface 21 is limited in the insulating base, and the fuzz button 211 is elastically connected with the fixing cap 212 and the electrical signal contact 222.
Referring to fig. 1 and 3, the fuzz button 211 and the fixing cap 212 constituting the contact on the electrical interface 21 are both conductive bodies.
Examples
Referring to fig. 1, fig. 2, fig. 3, and fig. 5, in the present invention, the optical interface 23 is disposed on the front surface of the circuit board 22 on the photoelectric conversion module 2, and the electrical interface 21 is disposed on the back surface of the circuit board 22 and integrated in the housing module 1, so that low-loss transmission of photoelectric signals can be achieved. When the optical cable plug is used, the fixing cap 212 of the contact element on the electrical interface 21 is inserted into a node of a PLC circuit board in a case, the optical cable plug is inserted into the optical cable jack 112 in the middle of the upper cover 11 and is inserted into the optical interface 23, the front surface of the circuit board 22 is provided with the optical chip 221, the optical chip 221 consists of an emitting chip and a receiving chip, and a lens is arranged in the optical interface 23, so that when the optical cable plug transmits a plurality of parallel optical signals to the optical interface 23, the parallel optical signals are coupled with the optical chip through the lens, received by the receiving chip of the optical chip 221, converted into a plurality of paths of electric signals through the circuit board 22 and transmitted to the PCB circuit board in the case, and the receiving and the photoelectric conversion of the parallel light are.
Referring to fig. 1, 2, 3, and 5, in order to ensure the accuracy of the optical cable plug in the optical interface 23, the opposite corners of the upper cover 11 of the housing assembly 1 are provided with guiding holes 111, and when the optical cable plug is plugged into the optical cable connector, the guiding holes 111 of the upper cover 11 are plugged into the optical cable connector through the pins on the optical cable plug, so as to precisely position the optical cable plug and the optical interface 23, thereby improving the accuracy of the optical cable plug in the optical interface 23.
Referring to fig. 1, 2, 3 and 5, the electrical interface 21 of the present invention is formed by sequentially disposing a plurality of contacts arranged in rows and columns on an insulating base, wherein the contacts are composed of buttons 211 and fixing caps 212; during operation, the contact that comprises feather button 211 and locking cap 212, locking cap 212 one end and the interior PCB circuit board dot matrix pad butt joint of quick-witted case, feather button 211 one end touches with the signal of telecommunication contact 222 one-to-one of circuit board 22, the elastic touch through feather button 211 presses and realizes the parallel transmission of signal, the anti-electromagnetic interference effect of taking precautions against earthquakes has, this connected mode has both guaranteed the joint strength of locking cap 212 with the PCB circuit board, the elastic connection between a plurality of signal of telecommunication contacts 222 of having guaranteed a plurality of feather buttons 211 and circuit board 22 again, the reliability and the stability of being connected of circuit board 22 with electrical interface 21 have been improved, the working life of contact has been prolonged.
Referring to fig. 1, 2, 4, and 5, in order to ensure the assembly accuracy, the lower cover 12 of the present invention is layered with an electrical interface seat 121, a circuit board seat 122, and a seam allowance seat 123, wherein the electrical interface seat is provided with a limiting groove 124, and the circuit board seat is provided with a positioning boss 125; the electrical interface 21 is arranged in the electrical interface seat 121 of the lower cover 12 through an insulating base, and a limit bump of the insulating base is engaged with a limit groove 124 of the lower cover 12; the circuit board 22 is arranged on the circuit board seat 122 of the lower cover 12, and the limit lug of the circuit board 22 is meshed with the positioning lug boss 125 of the lower cover 12; the upper cover 11 of the housing assembly 1 is buckled on the lower cover 12, and the spigot of the circuit board 22 is engaged with the spigot seat 123 of the lower cover 12; the assembly accuracy of the electrical interface 21, the circuit board 22, and the upper cover 11 and the lower cover 12 is ensured.
The invention can realize high-speed parallel stable and reliable transmission of photoelectric signals and can meet the use requirements of various environments.
Claims (4)
1. A parallel light transceiver module interconnected among parallel boards is characterized by comprising a shell component (1) and a photoelectric conversion component (2);
the shell component (1) is a rectangular shell component consisting of an upper cover (11) and a lower cover (12), an optical cable socket (112) is arranged in the middle of the upper cover (11), guide holes (111) are arranged on opposite angles, and a spigot is arranged on the end face of the upper cover (11);
an electric interface seat (121), a circuit board seat (122) and a spigot seat (123) are arranged on the lower cover (12) in a layered manner, a limiting groove (124) is arranged on the electric interface seat, and a positioning boss (125) is arranged on the circuit board seat;
the photoelectric conversion component (2) is composed of an electrical interface (21), a circuit board (22) and an optical interface (23),
the electric interface (21) is formed by sequentially arranging a plurality of contact pieces which are arranged in rows and columns on an insulating base, each contact piece consists of a fuzz button (211) and a fixing cap (212), and limiting lugs are arranged on two sides of the insulating base;
the front surface of the circuit board (22) is provided with an optical chip (221), the back surface is provided with a plurality of electrical signal contacts (222), and two sides are provided with limit lugs;
a lens is arranged in the optical interface (23), the optical interface (23) is pasted on an optical chip (221) of the circuit board (22), and the lens of the optical interface (23) is coupled with the optical chip (221);
the electric interface (21) is arranged in an electric interface seat (121) of the lower cover (12) through an insulating base, and a limit lug of the insulating base is meshed with a limit groove (124) of the lower cover (12);
the circuit board (22) is arranged on the circuit board seat (122) of the lower cover (12), the limiting lug of the circuit board (22) is meshed with the positioning lug boss (125) of the lower cover (12), and the electric signal contacts (222) of the circuit board (22) are correspondingly contacted with the fuzz buttons (211) of the upper contact piece of the electric interface (21) one by one;
an upper cover (11) of the shell component (1) is buckled on a lower cover (12), a spigot of the upper cover (1) is meshed with a spigot seat (123) of the lower cover (12), and an optical interface (23) is located in an optical cable socket (112) of the upper cover (11).
2. The parallel optical transceiver module of claim 1, wherein the sealing between the stop ports of the upper cover (11) and the lower cover (12) of the housing assembly (1) and the stop port seat (123) is filled with glue.
3. The parallel optical transceiver module as claimed in claim 1, wherein the fixing cap (212) of the contact on the electrical interface (21) is fixed to the insulating base, and the fuzz button (211) is elastically connected to the fixing cap (212) and the electrical signal contact (222).
4. The parallel optical transceiver module as claimed in claim 1, wherein the fuzz button (211) and the fixing cap (212) of the contact member on the electrical interface (21) are both conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383983.6A CN109239869B (en) | 2018-11-20 | 2018-11-20 | Parallel light receiving and transmitting module interconnected among parallel plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383983.6A CN109239869B (en) | 2018-11-20 | 2018-11-20 | Parallel light receiving and transmitting module interconnected among parallel plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109239869A CN109239869A (en) | 2019-01-18 |
| CN109239869B true CN109239869B (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811383983.6A Active CN109239869B (en) | 2018-11-20 | 2018-11-20 | Parallel light receiving and transmitting module interconnected among parallel plates |
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| CN (1) | CN109239869B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318909B1 (en) * | 1999-02-11 | 2001-11-20 | Agilent Technologies, Inc. | Integrated packaging system for optical communications devices that provides automatic alignment with optical fibers |
| CN104092485B (en) * | 2014-05-30 | 2017-08-04 | 中国电子科技集团公司第十研究所 | Distributed communication in moving lightweight shaped aerial |
| CN104898216B (en) * | 2015-06-24 | 2016-09-21 | 苏州洛合镭信光电科技有限公司 | A kind of miniaturization parallel light transmitting-receiving engine of interconnection between plate |
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- 2018-11-20 CN CN201811383983.6A patent/CN109239869B/en active Active
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| CN109239869A (en) | 2019-01-18 |
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