CN210243913U

CN210243913U - Anti-freezing protection tube for down lead of power communication optical cable

Info

Publication number: CN210243913U
Application number: CN201920997888.9U
Authority: CN
Inventors: Songqing He; 何松清
Original assignee: Yunhe Kaichao Handicraft Management Department
Current assignee: Yunhe Kaichao Handicraft Management Department
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-04-03
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses an electric power communication optical cable downlead anti-freezing protection tube, including support column and protection tube, it is equipped with the optical cable downlead to insert in the protection tube, and the protection tube divide into horizontal part and vertical portion along with the trend of optical cable downlead, common fixed mounting has first clamp on horizontal part and the support column, common fixed mounting has the second clamp on vertical portion and the support column, optical cable downlead overcoat is equipped with the insulating layer, the insulating layer overcoat is equipped with the buffer layer, be provided with freeze-proof mechanism on the buffer layer. The utility model discloses a set up the mechanism that prevents frostbite and can prevent that the water in the protective tube from freezing and destroying the optical cable, play the protective action that prevents frostbite, and simple structure can last frostproofing.

Description

Anti-freezing protection tube for down lead of power communication optical cable

Technical Field

The utility model relates to a communication equipment technical field especially relates to electric power communication optical cable downlead anti-freezing protection tube.

Background

The intelligent power grid requires an information technology as a support in a power system, and the informatization, automation and interaction characteristics of the power grid are realized; the 3G network construction requires information communication and simultaneously solves the power utilization problem of network terminal equipment, so that the composite optical cable and the special optical cable are applied to various composite cables and special optical cables which are power optical cables and take power transmission and information communication into consideration in a power system.

In some mountainous areas, rainy and snowy weather often occurs in winter, the downlead of the electric power communication optical cable is usually protected by a hot-dip galvanized steel pipe from a guiding optical cable led down by an on-frame splice closure to a cable trench underground part, two ends of the steel pipe are sealed and blocked by fireproof mud in a waterproof way, however, once the fireproof mud fails, the straight-through type protection pipe sleeve is easy to seep water, when the temperature is too low, the protection pipe is frozen and extrudes the optical cable, the optical cable is degraded and interrupted, and electric power communication is influenced, so that an electric power communication optical cable downlead anti-freezing protection pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an anti-freezing protection tube for a down lead of an electric power communication optical cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

electric power communication optical cable downlead protection tube that freezes, including support column and protection tube, it is equipped with the optical cable downlead to insert in the protection tube, and the protection tube divide into horizontal part and vertical portion along with the trend of optical cable downlead, common fixed mounting has first clamp on horizontal part and the support column, common fixed mounting has the second clamp on vertical portion and the support column, optical cable downlead overcoat is equipped with the insulating layer, the insulating layer overcoat is equipped with the buffer layer, be provided with the mechanism that prevents frostbite on the buffer layer.

Preferably, the anti-freezing mechanism comprises a cavity arranged on the buffer layer, an anti-freezing agent is placed in the cavity, a plurality of through holes are uniformly formed in the outer wall of the buffer layer, and each through hole is communicated with the cavity.

Preferably, the antifreeze agent is salt.

Preferably, the buffer layer is made of a silica gel material.

Preferably, the upper and lower both ends of buffer layer and insulating layer contact department all fixed cover are equipped with the seal cover, be provided with the charge door on the protection tube, be provided with the filling tube in the charge door, and the one end and the cavity intercommunication of filling tube.

Preferably, a plurality of guide grooves along the vertical direction are uniformly formed in the inner wall of the protection tube.

The utility model has the advantages that:

1. the inner wall of the protection pipe is provided with the plurality of guide grooves, so that water entering the protection pipe can be guided out of the protection pipe as soon as possible, and too much water is prevented from being accumulated in the protection pipe.

2. Through setting up buffer layer, cavity, through-hole and antifreeze, when the lower protection tube inner wall of external temperature water begins to freeze the inflation, the buffer layer is extruded to the ice body, extrudees the antifreeze in the cavity through the through-hole and contacts with the ice body, and the ice body that antifreeze will contact with it melts to can prevent that the intraductal moisture of protection from freezing extrusion optical cable.

To sum up, the utility model discloses a set up the mechanism that prevents frostbite and can prevent that the water in the protective tube from freezing and destroying the optical cable, play the protective action that prevents frostbite, and simple structure can last frostproofing.

Drawings

Fig. 1 is a schematic structural view of the anti-freezing protection tube for the down lead of the power communication optical cable provided by the present invention;

fig. 2 is a schematic structural view of an anti-freezing mechanism in the anti-freezing protection tube for the down lead of the power communication optical cable provided by the utility model;

fig. 3 is the utility model provides a mounting structure schematic diagram of electric power communication optical cable downlead anti-freezing protection tube.

In the figure: the cable protection device comprises a support column 1, a protection tube 2, an optical cable down lead 3, a first clamp 4, a second clamp 5, a feed inlet 6, an insulating layer 7, a buffer layer 8, a cavity 9, a through hole 10, a sealing sleeve 11 and a guide groove 12.

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 anti-freezing protection tube for the down conductor of the power communication optical cable comprises a support column 1 and a protection tube 2, wherein a plurality of guide grooves 12 along the vertical direction are uniformly arranged on the inner wall of the protection tube 2, the guide grooves 12 can guide water entering the protection tube 2 out of the protection tube 2 as soon as possible to prevent too much water from being accumulated in the protection tube 2, the optical cable down conductor 3 is inserted into the protection tube 2, and protection tube 2 is divided into horizontal part and vertical portion along with the trend of optical cable downlead 3, and common fixed mounting has first clamp 4 on horizontal part and the support column 1, and common fixed mounting has second clamp 5 on vertical portion and the support column 1, and 3 overcoat of optical cable downlead are equipped with insulating layer 7, and insulating layer 7 can pass protection tube 2 interference circuit channel transmission by effectual protection electric charge, and 7 overcoat of insulating layer are equipped with buffer layer 8, are provided with the mechanism of preventing frostbite on the buffer layer 8.

The utility model discloses in, the freeze-proof mechanism is including seting up cavity 9 on buffer layer 8, has placed the antifreeze in cavity 9, and the antifreeze is salt, and salt melting ice-removing efficiency is high, and with low costs, and the purchase is convenient, has evenly seted up a plurality of through-holes 10 on the outer wall of buffer layer 8, and each through-hole 10 all communicates with cavity 9, and buffer layer 8 adopts the silica gel material to make, and buffer layer 8 of silica gel material reacts fast, and can eliminate the harm of the expansion tension of a part of ice to the optical cable; the buffer layer 8 is provided with a feed inlet 6, a feed pipe is arranged in the feed inlet 6, one end of the feed pipe is communicated with the cavity 9, and a valve is arranged at the feed inlet 6.

The utility model discloses during the use, when sleet weather, when partly water gets into protection tube 2 in, a water flows subaerially through multichannel guiding gutter 12 on the protection tube 2 inner wall, some is detained on the inner wall of protection tube 2 in addition, the lower water of external temperature begins to freeze the inflation, when the space in the protection tube 2 of messenger diminishes, ice body extrusion buffer layer 8, thereby extrude through-hole 10 with the antifreeze in the cavity 9 and ice the body contact, the antifreeze can melt the ice body with it contact, thereby can prevent the frozen extrusion optical cable of the interior moisture of protection tube 2, operating personnel can supply the antifreeze in the cavity 9 through the filling tube in filling opening 6, and simultaneously, when fine, operating personnel can open the valve of filling opening 6, make the evaporation of the moisture in the protection tube 2 volatilize through filling opening 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Electric power communication optical cable downlead anti-freezing protection tube, including support column (1) and protection tube (2), its characterized in that, protection tube (2) interpolation is equipped with optical cable downlead (3), and protection tube (2) divide into horizontal part and vertical portion along with the trend of optical cable downlead (3), common fixed mounting has first clamp (4) on horizontal part and support column (1), common fixed mounting has second clamp (5) on vertical portion and support column (1), optical cable downlead (3) overcoat is equipped with insulating layer (7), insulating layer (7) overcoat is equipped with buffer layer (8), be provided with freeze-proof mechanism on buffer layer (8).

2. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 1, wherein the anti-freezing mechanism comprises a cavity (9) formed in the buffer layer (8), an anti-freezing agent is placed in the cavity (9), a plurality of through holes (10) are uniformly formed in the outer wall of the buffer layer (8), and each through hole (10) is communicated with the cavity (9).

3. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 2, wherein the anti-freezing agent is salt.

4. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 2, wherein the buffer layer (8) is made of silica gel.

5. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 1, wherein sealing sleeves (11) are fixedly sleeved at the contact positions of the upper end and the lower end of the buffer layer (8) and the insulating layer (7), a feeding port (6) is formed in the protection tube, a feeding tube is arranged in the feeding port (6), and one end of the feeding tube is communicated with the cavity (9).

6. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 1, wherein a plurality of guide grooves (12) along a vertical direction are uniformly formed on the inner wall of the protection tube (2).