CN211127811U - Near-end machine of optical fiber repeater - Google Patents

Abstract

The utility model discloses an optic fibre repeater near-end machine, including near-end machine main part, portable handle is installed to near-end machine main part's one end, the heat dissipation strip is all installed to near-end machine main part's both sides, near-end machine main part's mid-mounting has the protection frame, near-end machine main part's one end port department installs guard flap, guard flap's front is provided with charge mouth, electric capacity digital display screen and switch, guard flap's front corner is provided with the waist hole. The utility model discloses a two-sided both sides of near-end machine main part all are provided with the heat dissipation strip, can improve the radiating effect of organism through it, and install portable handle in the one end of near-end machine main part, conveniently carry, install the protection frame in the outside of near-end machine main part, can improve the protective capacities of its organism, install the wiring board through inlaying the mode at the top of near-end machine main part, make things convenient for the installation of wiring board to dismantle.

Description

Near-end machine of optical fiber repeater

Technical Field

The utility model relates to a near-end machine technical field specifically is a near-end machine of optic fibre repeater.

Background

The near-end machine of the optical fiber repeater is taken as a main control unit and is generally arranged in a base station machine room, a far-end machine is arranged at a proper position (see whether the inside of a covering room or the outside of the covering room) at the edge of a covering area, an ODB (optical fiber distribution box) is usually arranged beside the far-end machine, the optical fiber repeater is a repeater for carrying out signal transmission by means of optical fibers, and the optical fiber repeater mainly comprises a near-end machine, optical fibers and an optical far-end machine (covering unit) and is mainly used for occasions such as villages, tourist areas, roads and the like which can not receive base station signals and can cover large and ultra-large buildings and is used for large high-rise area buildings (groups), cells and the like with higher requirements by utilizing the characteristics of small optical fiber transmission loss, convenient wiring and suitability for long-distance transmission, the optical far-end machine converts the optical signal into the electrical signal, the electrical signal is transmitted to the optical fiber from the optical near-end machine and is transmitted to the optical far-end machine through the optical fiber, the optical far-end machine converts the optical signal into the electrical signal, the electrical signal enters the RF unit for amplification, the signal is transmitted to the transmitting antenna after being amplified to cover a target area, the working principle of an uplink is the same, and the signal transmitted by the mobile phone is transmitted to the optical far-end machine through the receiving antenna and then to the near-end machine and returns to the base station.

The near-end unit of the optical fiber repeater at the present stage has various defects, for example, the wiring power distribution of an optical fiber cable is inconvenient, the long-distance power distribution cannot be carried out, the heat dissipation effect is poor, and the carrying is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical fiber repeater near-end machine to the wiring distribution of the optical fiber cable who proposes in solving above-mentioned background is inconvenient, can't carry out remote distribution, and the radiating effect is poor, and inconvenient scheduling problem of carrying.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optic fibre repeater near-end machine, includes near-end machine main part, portable handle is installed to the one end of near-end machine main part, the heat dissipation strip is all installed to the both sides of the positive and negative of near-end machine main part, the mid-mounting of near-end machine main part has the protection frame, the top mid-mounting of protection frame has the wiring board, the top both sides of wiring board are provided with antenna port, first optical fiber interface end, second optical fiber interface end and third optical fiber interface end respectively, the guard flap is installed to the one end port department of near-end machine main part, the front of guard flap is provided with charge mouthful, electric charge capacity digital display screen and switch, the front corner of guard flap is provided with the waist hole.

Preferably, one end of the carrying handle is provided with a protective sleeve, and the carrying handle is hinged with the near-end machine main body.

Preferably, the optical transmitter, the optical receiver and the wavelength division multiplexers are installed inside the near-end device main body, two wavelength division multiplexers are provided, and the two wavelength division multiplexers are respectively installed corresponding to the optical transmitter and the optical receiver.

Preferably, four winding displacement shafts are installed at the top of the wiring board, and the four winding displacement shafts are installed corresponding to the antenna port, the first optical fiber interface end, the second optical fiber interface end and the third optical fiber interface end.

Preferably, the protective baffle is installed at one end port of the near-end machine main body in an embedding mode.

Preferably, the protection frame and the fixed side lug are arranged into an integral structure, and the fixed side lug is installed at the tail end of the near-end machine main body through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a two-sided both sides of near-end machine main part all are provided with the heat dissipation strip, can improve the radiating effect of organism through it, and install the portable handle in the one end of near-end machine main part, conveniently carry, install the protection frame in the outside of near-end machine main part, can improve the protective capacities of its organism, install the wiring board through the mode of inlaying at the top of near-end machine main part, make things convenient for the installation and the dismantlement of wiring board;

2. the utility model discloses a top of wiring board is provided with antenna port, first fiber interface end, second fiber interface end and third fiber interface end respectively, and all installs the winding displacement axle in one side of antenna port, first fiber interface end, second fiber interface end and third fiber interface end, and this kind of design has made things convenient for the installation of fiber cable greatly, makes things convenient for winding displacement and distribution, facilitates the use.

Drawings

Fig. 1 is a schematic structural diagram of a near-end machine of an optical fiber repeater according to the present invention;

fig. 2 is a front view of the protective barrier of the present invention;

fig. 3 is a top view of the wiring board of the present invention.

In the figure: 1. a carrying handle; 2. fixing the side ear; 3. a proximal end machine body; 4. a heat dissipating strip; 5. a wiring board; 6. a protective baffle; 7. a protective frame; 8. an antenna port; 9. a traverse shaft; 10. a first fiber optic interface end; 11. a second fiber interface end; 12. a third fiber interface end; 13. a waist hole; 14. a charging port; 15. a storage capacity digital display screen; 16. and a power switch.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a near-end machine of an optical fiber repeater comprises a near-end machine main body 3, a hand-held handle 1 is installed at one end of the near-end machine main body 3, the hand-held handle 1 is convenient for carrying the near-end machine main body 3, heat dissipation strips 4 are installed on the two sides of the front and back of the near-end machine main body 3, the heat dissipation effect of a machine body can be improved through the heat dissipation strips 4, a protection frame 7 is installed in the middle of the near-end machine main body 3, the near-end machine main body 3 can be protected by the protection frame 7, a wiring board 5 is installed in the middle of the top end of the protection frame 7, the wiring board 5 is convenient for wiring and power distribution of optical fibers, an antenna port 8, a first optical fiber interface end 10, a second optical fiber interface end 11 and a third optical fiber interface end 12 are respectively arranged on the two sides of the top of the wiring board 5, a protection baffle, the front corner of the protective baffle 6 is provided with a waist hole 13, and the waist hole 13 facilitates the bolt fixing of the protective baffle 6.

Further, the one end of portable handle 1 is provided with the lag, and portable handle 1 is connected with near-end machine main part 3 is articulated, makes things convenient for the hand-held of organism to carry through portable handle 1.

Further, an optical transmitter, an optical receiver and wavelength division multiplexers are installed inside the near-end machine main body 3, two wavelength division multiplexers are provided, and the two wavelength division multiplexers are respectively installed corresponding to the optical transmitter and the optical receiver, the optical transmitter converts the HDB3 signal code sent from the multiplexing equipment into NRZ code, then the NRZ code is coded into a code pattern suitable for being transmitted on an optical cable line, finally, the electrical/optical conversion is carried out, the electrical signal is converted into an optical signal and coupled into an optical fiber, then the optical signals with different wavelengths are combined into one beam through the wavelength division multiplexers and transmitted along a single optical fiber, and the optical receiver detects the transmitted weak optical signal, amplifies, shapes and regenerates into the original transmission signal.

Further, four winding displacement shafts 9 are installed at the top of the wiring board 5, the four winding displacement shafts 9 are installed corresponding to the antenna port 8, the first optical fiber interface end 10, the second optical fiber interface end 11 and the third optical fiber interface end 12, wiring of optical fibers is facilitated through the wiring board 5, and winding of cables is facilitated through the winding displacement shafts 9.

Further, guard flap 6 is installed in the end port department of near-end machine main part 3 through inlaying the mode, and this kind of design is convenient to the installation dismantlement of guard flap 6.

Further, protection frame 7 sets up to a body structure with fixed side ear 2, and fixed side ear 2 passes through the bolt and installs the end at near-end machine main part 3, and is fixed through the installation that fixed side ear 2 made things convenient for protection frame 7.

The working principle is as follows: when the device is used, the protective frame 7 is fixed on the outer side of a near-end machine main body 3 through a fixing side lug 2 at one end of the protective frame by bolts, optical fiber cables are installed through an antenna port 8, a first optical fiber interface end 10, a second optical fiber interface end 11 and a third optical fiber interface end 12, the corresponding optical fiber cables are wound through a winding displacement shaft 9, the winding displacement and the wiring are convenient, the near-end machine main body 3 is conveniently carried by a hand handle 1 in a handheld mode, the heat dissipation capacity of the near-end machine main body 3 is improved through a heat dissipation strip 4, wireless signals are coupled out from a base station and enter the near-end machine main body 3, the electrical signals are converted into optical signals through electro-optical conversion, the optical signals are input into optical fibers from the near-end machine main body 3 and are transmitted to an optical far-end machine through the optical fibers, the optical signals are converted into the electrical signals which are amplified by an, similarly, the signal transmitted by the mobile phone is transmitted to the optical remote terminal, then to the near-end terminal and then to the base station through the receiving antenna.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a near-end machine of optic fibre repeater, includes near-end machine main part (3), its characterized in that: portable handle (1) is installed to the one end of near-end machine main part (3), heat dissipation strip (4) are all installed to the both sides of the positive and negative of near-end machine main part (3), the mid-mounting of near-end machine main part (3) has protection frame (7), the top mid-mounting of protection frame (7) has wiring board (5), the top both sides of wiring board (5) are provided with antenna port (8), first optical fiber interface end (10), second optical fiber interface end (11) and third optical fiber interface end (12) respectively, guard flap (6) are installed to the one end port department of near-end machine main part (3), the front of guard flap (6) is provided with charge mouth (14), electric capacity digital display screen (15) and switch (16), the front corner of guard flap (6) is provided with waist hole (13).

2. The near-end machine of the optical fiber repeater according to claim 1, characterized in that: one end of the portable handle (1) is provided with a protective sleeve, and the portable handle (1) is hinged with the near-end machine main body (3).

3. The near-end machine of the optical fiber repeater according to claim 1, characterized in that: an optical transmitter, an optical receiver and two wavelength division multiplexers are arranged in the near-end machine main body (3), and the two wavelength division multiplexers are respectively correspondingly arranged with the optical transmitter and the optical receiver.

4. The near-end machine of the optical fiber repeater according to claim 1, characterized in that: four winding displacement shafts (9) are installed at the top of the wiring board (5), and the four winding displacement shafts (9) are installed corresponding to the antenna port (8), the first optical fiber interface end (10), the second optical fiber interface end (11) and the third optical fiber interface end (12).

5. The near-end machine of the optical fiber repeater according to claim 1, characterized in that: the protective baffle (6) is installed at one end port of the near-end machine main body (3) in an embedding mode.

6. The near-end machine of the optical fiber repeater according to claim 1, characterized in that: the protection frame (7) and the fixed side lug (2) are arranged into an integral structure, and the fixed side lug (2) is installed at the tail end of the near-end machine main body (3) through a bolt.

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