CN108107511A - A kind of optical fiber connector - Google Patents

Abstract

The invention discloses a kind of optical fiber connectors, including modular assembly and electric conductor, the modular assembly includes multigroup module group, and the module group includes earthing module, the earthing module includes the first connecting pin and second connection end, and first connecting pin connects to form circuit with the second connection end；The electric conductor accesses the circuit, to be electrically connected multiple earthing modules.Optical fiber connector provided by the present invention is by setting electric conductor to be electrically connected each earthing module, reduce optical fiber connector transmission of large capacity, high speed signal when, the resonance and string of generation are scratched, and the resonance generated and string is avoided to scratch the transmission rate for influencing signal in turn, and then improve the signal transmission rate of optical fiber connector.

Description

A fiber optic connector

technical field

The invention relates to a connector, in particular to an optical fiber connector.

Background technique

Optical fiber connector is a device for detachable (movable) connection between optical fiber and optical fiber. It precisely butts the two end faces of optical fiber so that the optical energy output by the transmitting optical fiber can be coupled to the receiving optical fiber to the maximum extent. When the fiber optic connector transmits large-capacity and high-speed signals, resonance and crosstalk will occur, which in turn will affect the transmission rate of the signal and affect the transmission performance of the fiber optic connector.

Contents of the invention

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to reduce the generation of resonance and crosstalk when optical fiber connectors transmit large-capacity and high-speed signals, and avoid the generation of resonance and crosstalk from affecting the transmission rate of signals.

The present invention adopts following technical scheme to realize:

A fiber optic connector, characterized in that it comprises:

A module assembly, the module assembly includes a plurality of module groups, the module group includes a grounding module, the grounding module includes a first connection end and a second connection end, and the first connection end is connected to the second connection end form a circuit;

An electrical conductor connected to the circuit to electrically connect a plurality of the grounding modules.

Preferably, a through hole is opened on the grounding module, and the conductor passes through the through hole.

Preferably, a connecting portion is provided on the grounding module, the connecting portion protrudes from the side wall of the through hole, and the connecting portion is electrically connected to the circuit, and the conductor is provided with a The connecting groove is adapted to the connecting part, and the connecting part is electrically connected to the connecting groove.

Preferably, the opening of the connection groove is formed as a guide port.

Preferably, the plurality of through holes are on a straight line, and the conductor is in the shape of a straight bar.

Preferably, the conductor is made of conductive plastic or metal.

Preferably, the first connection end includes a contact beam assembly, and the second connection end includes a mounting contact assembly.

Preferably, the contact beam assembly includes a first contact beam set, the first contact beam set includes a first contact beam and a second contact beam, and the mounting contact assembly includes a first mounting contact and a second installation contact, the first contact beam is connected to the first installation contact to form a first circuit, and the second contact beam is connected to the second installation contact to form a second circuit;

The conductor includes a first conductor and a second conductor, the first conductor is connected to the first circuit, and the second conductor is connected to the second circuit.

Preferably, the contact beam assembly further includes a second contact beam set, the second contact beam set includes a third contact beam and a fourth contact beam, and the mounting contact assembly includes a third mounting contact head and a fourth mounting contact, the third contact beam is connected to the third mounting contact to form a third circuit, and the fourth contact beam is connected to the fourth mounting contact to form a fourth circuit;

The conductor includes a third conductor and a fourth conductor, the third conductor is connected to the third circuit, and the fourth conductor is connected to the fourth circuit.

Preferably, the module set further includes a first signal module and a second signal module, and the first signal module, the second signal module and the grounding module are attached side by side.

The optical fiber connector provided by the present invention electrically connects each grounding module by setting conductors, so as to reduce the resonance and crosstalk generated when the optical fiber connector transmits large-capacity and high-speed signals, and avoid the generated resonance and crosstalk from adversely affecting the signal The transmission rate, thereby increasing the signal transmission rate of the fiber optic connector.

Description of drawings

Fig. 1 is a schematic structural view of an optical fiber connector of the present invention;

Fig. 2 is the front view of the optical fiber connector in Fig. 1;

Fig. 3 is a structural schematic diagram of a module assembly and an electrical conductor;

Fig. 4 is a structural schematic diagram of a grounding module and a conductor;

Fig. 5 is the structural representation of electrical conductor;

FIG. 6 is a schematic structural diagram of the grounding module.

Explanation of reference signs:

1. Shell; 2. Module assembly; 21A, module group; 221, grounding module; 22, first signal module; 23, second signal module; 2131, first contact beam; 2132, second contact beam; 2133, the third contact beam; 2134, the fourth contact beam; 2101, the first through hole; 2102, the second through hole; 2103, the third through hole; 2104, the fourth through hole; 212, the connection part; 2141 , the first installation contact; 2142, the second installation contact; 2143, the third installation contact; 2144, the fourth installation contact; 3, the conductor; 31, the first conductor; 32, the second conductor; 33. The third conductor; 34. The fourth conductor; 310. The connection groove.

Detailed ways

Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

As shown in Figures 3-6, an optical fiber connector includes a module assembly 2 and a conductor 3, the module assembly 2 includes a plurality of module groups 2A, and the module group 2A includes a grounding module 21, and the grounding module 21 It includes a first connection end and a second connection end, the first connection end and the second connection end are connected to form a circuit; the conductor 3 is connected to the circuit to electrically connect a plurality of the grounding modules 21 . One of the first connection end and the second connection end is externally connected to an optical fiber, and the other is connected to the PCB board. The conductor 3 electrically connects each grounding module 21 to reduce the noise generated when the optical fiber connector transmits large-capacity and high-speed signals. Resonance and cross torsion (why can resonance and cross torsion be reduced?), to avoid resonance and cross torsion that will adversely affect the signal transmission rate, thereby increasing the signal transmission rate of the fiber optic connector (provide experimental data).

There are many ways for conductor 3 to electrically connect each grounding module 21. Specifically, lead wires can be connected externally on grounding module 21, and each lead wire can be connected through conductor 3; A plurality of electrical connection parts are arranged on the body 3, and the positions of the electrical connection parts and the grooves can be interchanged by inserting the electrical connection parts into the grooves to connect with the circuit in the grounding module.

Referring to FIG. 3 , the module assembly 2 includes a plurality of module groups 2A, and each module group 2A includes a grounding module 21 . The figure shows grounding modules 21A-21G. In other embodiments, the number of module groups 2A is not limited thereto.

The optical fiber connector provided by the present invention is electrically connected to each grounding module 21 by setting the conductor 3, so as to reduce the resonance and crosstalk generated when the optical fiber connector transmits a large-capacity, high-speed signal, and avoid the resonance and crosstalk generated in turn. Affect the transmission rate of the signal, thereby increasing the signal transmission rate of the fiber optic connector.

Preferably, the grounding module 21 is provided with a through hole, and the conductor 3 passes through the through hole. A plurality of grounding modules 21 are arranged side by side, and the conductor 3 passes through a plurality of through holes and is connected to a circuit, thereby electrically connecting each grounding module 21 . A plurality of through holes may be on a straight line, or may not be on a straight line, and the shape of the conductor 3 corresponds to the arrangement of the plurality of through holes.

Preferably, referring to FIG. 5 , a plurality of through holes are on a straight line, and the conductor 3 is in the shape of a straight strip. In this way, the grounding module 21 can be processed in batches, and the straight strip shape of the conductor 3 is conducive to processing and saving materials. , and at the same time, it is beneficial to efficiently connect the conductor 3 to a plurality of grounding modules 21 .

Preferably, the grounding module 21 is provided with a connection portion 212, the connection portion 212 protrudes from the side wall of the through hole, and the connection portion 212 is electrically connected to the circuit, and the conductor 3 A connecting groove 310 adapted to the connecting portion 212 is formed on the top, and the connecting portion is electrically connected to the connecting groove. The connecting part 212 is protrudingly arranged on the circuit formed by connecting the first connecting end and the second connecting end, and the connecting part 212 is plugged into the connecting groove 310 to prevent the conductor 3 from moving in the through hole, so that the conductor 3 is connected to the ground. The connection of the modules 21 is more stable, and the contact area between the conductor 3 and the grounding module 21 is increased. The size of the through hole is larger than the size of the cross-section of the conductor 3 , so that the through hole has an escape space for the connecting portion 212 when the conductor 3 is inserted into the through hole.

Preferably, the opening of the connection groove 310 is formed as a guide port. The opening of the groove is inclined outward, which is beneficial for inserting the socket part into the connection groove 310 . The guide opening is in a figure-eight shape, so that both sides of the opening are inclined outward, so that the connecting part 212 can be inserted from any side of the connecting groove 310 .

Preferably, the conductor 3 is made of conductive plastic or metal. The conductor 3 can connect multiple grounding modules 21 . Preferably, the conductor 3 is made of plastic, which is relatively low in cost, light in weight, and easy to process and shape.

Preferably, the first connection end includes a contact beam assembly, and the second connection end includes a mounting contact assembly. The contact beam assembly is used for connecting the optical fiber interface, and the installation contact assembly is used for welding with the circuit board, with a grounding module 21 as a unit, and the conductor 3 is located on the circuit connected between the contact beam assembly and the installation contact assembly, so as to access The circuit of the ground module 21 .

Preferably, referring to FIG. 6, the contact beam assembly includes a first contact beam 2131 group, the first contact beam 2131 group includes a first contact beam 2131 and a second contact beam 2132, and the installation contact The head assembly includes a first mounting contact 2141 and a second mounting contact 2142, the first contact beam 2131 and the first mounting contact 2141 are connected to form a first circuit, the second contact beam 2132 and the The second installation contact 2142 is connected to form a second circuit; the conductor 3 includes a first conductor 313 and a second conductor 323, the first conductor 313 is connected to the first circuit, and the second The conductor 323 is connected to the second circuit. In turn, the first contact beam 2131, the first installation contact 2141, the second installation contact 2142, the second contact beam 2132 and the external optical fiber form a loop, and the first conductor 313 is connected to the first contact beam 2131 and the second contact beam 2131. A first circuit between the installation contacts 2141, the second conductor 323 is connected to the second circuit between the second contact beam 2132 and the second installation contact 2142, so that there are two conductors in the circuit, further through Conductor 3 reduces resonance and crosstalk. The grounding module 21 is provided with a first through hole 2101 and a second through hole 2102. The first through hole 2101 allows the first conductor 313 to pass through, the second through hole 2102 allows the second conductor 323 to pass through, and the first through hole 2102 allows the second conductor 323 to pass through. The hole 2101 is parallel to the connection line between the first contact beam 2131 and the first installation contact 2141, the second through hole 2102 is parallel to the connection line between the second contact beam 2132 and the second installation contact 2142, and the second through hole 2102 is parallel to the connection line between the second contact beam 2132 and the second installation contact 2142. The first through hole 2101 and the second through hole 2102 are staggered from each other, which is beneficial to the utilization of the space on the grounding module 21 .

Preferably, the contact beam assembly further includes a second contact beam 2132 group, the second contact beam 2132 group includes a third contact beam 2133 and a fourth contact beam 2134, and the installation contact assembly includes The third installation contact 2143 and the fourth installation contact 2144, the third contact beam 2133 and the third installation contact 2143 are connected to form a third circuit, the fourth contact beam 2134 and the fourth The installation contact 2144 is connected to form a fourth circuit; the conductor 3 includes a third conductor 333 and a fourth conductor 343, the third conductor 333 is connected to the third circuit, and the fourth conductor 343 access to the fourth circuit. The optical fiber connector has a double-layer structure and has two optical fiber interfaces. The third contact beam 2133, the third installation contact 2143, the fourth installation contact 2144, the fourth contact beam 2134 and the external optical fiber form a loop in sequence, and the third conductor 333 is located between the third contact beam 2133 and the third contact beam 2133. Between the installation contacts 2143, the fourth conductor 343 is located between the fourth contact beam 2134 and the fourth installation contact 2144, so that there are two conductors 3 in the loop, further reducing resonance and crosstalk through the conductor 3, Increase the transmission rate of this fiber optic connector. The grounding module 21 is provided with a third through hole 2103 and a fourth through hole 2104. The third through hole 2103 allows the third conductor 333 to pass through, the fourth through hole 2104 allows the fourth conductor 343 to pass through, and the third through hole 2104 allows the fourth conductor 343 to pass through. The hole 2103 is parallel to the connection line between the third contact beam 2133 and the third installation contact 2143, the fourth through hole 2104 is parallel to the connection line between the fourth contact beam 2134 and the fourth installation contact 2144, and the fourth through hole 2104 is parallel to the connection line between the fourth contact beam 2134 and the fourth installation contact 2144. The three through holes 2103 and the fourth through holes 2104 are staggered from each other, which is beneficial to the utilization of the space on the grounding module 21 .

Preferably, referring to FIG. 3 , the module set 2A further includes a first signal module 22 and a second signal module 23 , and the first signal module 22 , the second signal module 23 and the ground module 21 are attached side by side. The first signal module 22 and the signal module are provided with via holes for the conductor 3 to pass through, so that the conductor 3 runs through the entire module assembly 2 .

Please refer to Fig. 1 and Fig. 2, preferably, the optical fiber connector further includes a housing 1, the housing 1 is sheathed on the module assembly 2, and the housing 1 is provided with a set of external optical fibers and the first contact beam 2131. The first plug-in interface for the through connection, and the second plug-in interface for the combination connection of the external optical fiber and the second contact beam 2132 .

The above-mentioned embodiment is only a preferred embodiment of the present invention, and cannot be used to limit the protection scope of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (10)

1. An optical fiber connector, characterized in that, comprising: A module assembly, the module assembly includes a plurality of module groups, the module group includes a grounding module, the grounding module includes a first connection end and a second connection end, and the first connection end is connected to the second connection end form a circuit; An electrical conductor connected to the circuit to electrically connect a plurality of the grounding modules. 2 . The optical fiber connector according to claim 1 , wherein a through hole is opened on the grounding module, and the conductor passes through the through hole. 3 . 3. The optical fiber connector according to claim 2, wherein a connecting portion is provided on the grounding module, the connecting portion protrudes from the side wall of the through hole, and the connecting portion is connected to the The electric circuit is electrically connected, the conductor is provided with a connection groove adapted to the connection part, and the connection part is electrically connected to the conductor at the connection groove. 4. The optical fiber connector according to claim 3, wherein the opening of the connecting groove is formed as a guide port. 5 . The optical fiber connector according to claim 2 , wherein the plurality of through holes are on a straight line, and the conductor is in the shape of a straight bar. 6 . 6. The optical fiber connector according to any one of claims 1-5, wherein the conductor is made of conductive plastic or metal. 7. The optical fiber connector according to any one of claims 1-5, wherein the first connection end comprises a contact beam assembly (), and the second connection end comprises a mounting contact assembly. 8. The fiber optic connector of claim 7, wherein the contact beam assembly comprises a first contact beam set, the first contact beam set comprising a first contact beam and a second contact beam, the installation contact assembly includes a first installation contact and a second installation contact, the first contact beam and the first installation contact are connected to form a first circuit, the second contact beam and the first installation contact the second mounting contacts are connected to form a second electrical circuit; The conductor includes a first conductor and a second conductor, the first conductor is connected to the first circuit, and the second conductor is connected to the second circuit. 9. The optical fiber connector according to claim 8, wherein the contact beam assembly further comprises a second contact beam set comprising a third contact beam and a fourth contact beam The head beam, the installation contact assembly includes a third installation contact and a fourth installation contact, the third contact beam and the third installation contact are connected to form a third circuit, and the fourth contact beam being connected with the fourth installation contact to form a fourth circuit; The conductor includes a third conductor and a fourth conductor, the third conductor is connected to the third circuit, and the fourth conductor is connected to the fourth circuit. 10. The optical fiber connector according to claim 7, wherein the module set further comprises a first signal module and a second signal module, and the first signal module, the second signal module and the grounding module are arranged side by side fit.