CN217240705U - Plastic optical fiber receiver with double-photodiode differential input - Google Patents

Abstract

The utility model discloses a plastics optical fiber receiver with two photodiode difference inputs belongs to the fiber technology field, comprising a base plate, the last fixed surface of bottom plate is connected with the shell, the through-hole has been seted up to the preceding side surface of shell, the inner wall fixedly connected with filter screen of through-hole, the front side of filter screen is equipped with the brush, the inside wall fixedly connected with second diaphragm of shell, the last fixed surface installation heat dissipation fan of second diaphragm, the front side of heat dissipation fan is equipped with reciprocal screw rod, the one end of reciprocal screw rod is connected with the inside wall rotation of shell, the side table of reciprocal screw rod is equipped with drive mechanism, a side surface of shell is equipped with the connector. Can effectually dispel the heat to optical fiber receiver, the dust of having avoided external connecing simultaneously enters into optical fiber receiver's inside to avoided external dust to cause optical fiber receiver's signal easy-to-break or received signal slow, consequently influenced receiver's use, secondly also dispel the heat to optical fiber receiver, consequently prolonged optical fiber receiver's life.

Description

Plastic optical fiber receiver with double-photodiode differential input

Technical Field

The utility model relates to a plastics optical fiber receiver with two photodiode differential inputs belongs to optic fibre technical field.

Background

An optical fiber receiver is an ethernet transmission medium conversion unit that exchanges a short-distance twisted pair electrical signal and a long-distance optical signal, and is also called an optical-electrical converter in many places. The product is generally applied to the actual network environment that an Ethernet cable cannot cover and the transmission distance must be prolonged by using an optical fiber, and is usually positioned in the access layer of a broadband metropolitan area network, but the existing optical fiber receiver is inconvenient to dissipate heat of the optical fiber receiver when in use, and the traditional heat dissipation mode can cause external dust to enter the receiver, so that the signal of the receiver is easy to break or the signal receiving speed is low, the use of the receiver is affected, and the service life of the optical fiber receiver can be shortened if the receiver does not dissipate heat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastics fiber receiver who has two photodiode differential inputs for solving above-mentioned problem, can effectually dispel the heat to fiber receiver, and the inside that the dust that has avoided external connecing simultaneously enters into fiber receiver, thereby avoided external dust to cause fiber receiver's signal easy disconnection or received signal slow, consequently influence the use of receiver, secondly also dispel the heat to fiber receiver, consequently, fiber receiver's life has been prolonged.

The utility model discloses a following technical scheme realizes above-mentioned purpose, has plastic optical fiber receiver of two photodiode difference inputs, comprising a base plate, the last fixed surface of bottom plate is connected with the shell, and the front side surface of shell has seted up the through-hole, the inner wall fixedly connected with filter screen of through-hole, and the front side of filter screen is equipped with the brush, the inside wall fixedly connected with second diaphragm of shell, and the last fixed surface of second diaphragm installs the heat dissipation fan, and the front side of heat dissipation fan is equipped with reciprocating screw, and reciprocating screw's one end is connected with the inside wall rotation of shell, reciprocating screw's side table is equipped with drive mechanism, a side surface of shell is equipped with the connector, and the below of connector is equipped with protection mechanism.

Preferably, the top and the below of through-hole all are equipped with the spout, and the inside sliding connection of spout has the magnet piece, and the front end and the brush fixed connection of magnet piece.

Preferably, the traction mechanism comprises a supporting plate, the lower end of the supporting plate is in threaded connection with the reciprocating screw, an iron block is fixedly connected to the upper end of the supporting plate, and the iron block is aligned with the magnet block inside the sliding groove.

Preferably, the other end of the reciprocating screw is fixedly connected with a first bevel gear, the side surface of the first bevel gear is engaged with a second bevel gear, and the rear side surface of the second bevel gear is fixedly connected with the heat dissipation fan through a rotating shaft.

Preferably, the protection mechanism comprises a first transverse plate, one end of the first transverse plate is fixedly connected with the bottom plate, the other end of the first transverse plate is fixedly connected with the base, and the upper surface of the base is hinged with the clamping plate.

The utility model has the advantages that: the utility model discloses a set up, at first, the heat dissipation fan through the inside second diaphragm upper surface of shell can make the inside air cycle of shell, thereby can dispel the heat to optical fiber receiver, secondly can filter the outside dust at the shell through the filter screen, and can clear away the dust of filter screen surface through the brush, avoided the dust to stop on the filter screen for a long time, thereby the inside of shell is inhaled to the fan that dispels the heat, influence optical fiber receiver's use, and avoided the dust to plug up the filter screen simultaneously, consequently, optical fiber receiver's radiating efficiency is improved, thereby optical fiber receiver's life has been prolonged.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the middle housing of the present invention.

In the figure: the device comprises a base plate 1, a shell 2, a through hole 3, a filter screen 4, a magnet block 5, a brush 6, a sliding chute 7, a connecting port 8, a clamping plate 9, a base 10, a first transverse plate 11, a reciprocating screw rod 12, a supporting plate 13, an iron block 14, a first bevel gear 15, a second bevel gear 16, a heat dissipation fan 17 and a second transverse plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the plastic optical fiber receiver with dual photodiode differential input includes a bottom plate 1, the upper surface of the bottom plate 1 is fixedly connected with a housing 2, a through hole 3 is formed in the front side surface of the housing 2, the inner wall of the through hole 3 is fixedly connected with a filter screen 4, a brush 6 is arranged on the front side of the filter screen 4, a second transverse plate 18 is fixedly connected to the inner side wall of the housing 2, a heat dissipation fan 17 is fixedly mounted on the upper surface of the second transverse plate 18, a reciprocating screw 12 is arranged on the front side of the heat dissipation fan 17, one end of the reciprocating screw 12 is rotatably connected with the inner side wall of the housing 2, a traction mechanism is arranged on the side surface of the reciprocating screw 12, a connection port 8 is arranged on one side surface of the housing 2, and a protection mechanism is arranged below the connection port 8.

As a technical optimization scheme of the utility model, the top and the below of through-hole 3 all are equipped with spout 7, and the inside sliding connection of spout 7 has magnet piece 5, and the front end and the brush 6 fixed connection of magnet piece 5, can carry on spacingly to brush 6 through the inside magnet piece 5 of spout 7 to prevent that brush 6 from dropping.

As a technical optimization scheme of the utility model, drive mechanism includes backup pad 13, and backup pad 13's lower extreme and the 12 threaded connection of reciprocal screw rod, backup pad 13's upper end fixedly connected with iron plate 14, and iron plate 14 aligns with 7 inside magnet pieces 5 of spout, can stimulate 7 inside magnet pieces 5 of spout through iron plate 14 among the drive mechanism to make things convenient for the removal of drive brush 6.

As a technical optimization scheme of the utility model, the first bevel gear 15 of other end fixedly connected with of reciprocal screw rod 12, and the side surface meshing of first bevel gear 15 is connected with second bevel gear 16, second bevel gear 16's rear side surface is through pivot and heat dissipation fan 17 fixed connection, and first bevel gear 15 and second bevel gear 16 through the reciprocal screw rod 12 other end mutually support to conveniently dispel the heat fan 17 and drive reciprocal screw rod 12 and rotate, consequently can round trip movement backup pad 13.

As the utility model discloses a technical optimization scheme, protection mechanism includes first diaphragm 11, and 1 fixed connection of one end and bottom plate of first diaphragm 11, the other end fixedly connected with base 10 of first diaphragm 11, and the upper surface of base 10 articulates there is cardboard 9, can carry out the buckle to optic fibre through cardboard 9 and base 10, prevents the crooked rupture of optic fibre and receiver connecting portion.

When the utility model is used, firstly, the optical fiber is placed on the upper surface of the base 10, then the optical fiber is buckled through the clamping plate 9, then one end of the optical fiber is inserted with the connecting port 8, then the optical fiber receiver can be operated, then the heat dissipation fan 17 in the shell 2 is started, so that the heat dissipation fan 17 can enable the air in the shell 2 to flow, thereby dissipating heat of the optical fiber receiver, the heat dissipation fan 17 can drive the reciprocating screw 12 to rotate through the first bevel gear 15 and the second bevel gear 16 when rotating, thereby the support plate 13 can move back and forth on the reciprocating screw 12, the iron block 14 can also move back and forth when the support plate 13 moves, therefore, the iron block 14 can drive the brush 6 to move back and forth through the magnet block 5 in the chute 7, thereby the brush 6 can brush off the dust on the surface outside the filter screen 4, when the brush 6 moves to the front side of the heat dissipation fan 17, the dust on the brush 6 can also be blown off by the heat dissipation fan 17, thereby facilitating the next cleaning.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (5)

1. Plastic optical fiber receiver with double photodiode differential input, comprising a backplane (1), characterized in that: the last fixed surface of bottom plate (1) is connected with shell (2), and the front side surface of shell (2) has seted up through-hole (3), the inner wall fixedly connected with filter screen (4) of through-hole (3), and the front side of filter screen (4) is equipped with brush (6), the inside wall fixedly connected with second diaphragm (18) of shell (2), and the last fixed surface of second diaphragm (18) installs heat dissipation fan (17), and the front side of heat dissipation fan (17) is equipped with reciprocating screw (12), and the one end of reciprocating screw (12) is connected with the inside wall rotation of shell (2), the side table of reciprocating screw (12) is equipped with drive mechanism, a side surface of shell (2) is equipped with connector (8), and the below of shell (8) is equipped with protection mechanism.

2. A plastic fiber optic receiver with a dual photodiode differential input according to claim 1, wherein: the top and the below of through-hole (3) all are equipped with spout (7), and the inside sliding connection of spout (7) has magnet piece (5), and the front end and brush (6) fixed connection of magnet piece (5).

3. The plastic fiber optic receiver with dual photodiode differential input of claim 1, wherein: traction mechanism includes backup pad (13), and the lower extreme and reciprocal screw rod (12) threaded connection of backup pad (13), the upper end fixedly connected with iron plate (14) of backup pad (13), and iron plate (14) align with magnet piece (5) of spout (7) inside.

4. A plastic fiber optic receiver with a dual photodiode differential input according to claim 1, wherein: the other end of the reciprocating screw rod (12) is fixedly connected with a first bevel gear (15), the side surface of the first bevel gear (15) is meshed with a second bevel gear (16), and the rear side surface of the second bevel gear (16) is fixedly connected with a heat dissipation fan (17) through a rotating shaft.

5. A plastic fiber optic receiver with a dual photodiode differential input according to claim 1, wherein: the protection mechanism comprises a first transverse plate (11), one end of the first transverse plate (11) is fixedly connected with the bottom plate (1), the other end of the first transverse plate (11) is fixedly connected with a base (10), and the upper surface of the base (10) is hinged with a clamping plate (9).

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