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Cable trench system

A technology for cable trenches and cable trench covers, which is applied in cable installation, ground cable installation, and cable installation in underground pipelines. question

Inactive Publication Date: 2020-11-20
宁波东方电缆股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The cable trench is a pipeline for laying and replacing electric power or telecommunication cable facilities, usually buried underground, including a cable trench body with a cable laying cavity and an upper seal set on the cable trench body to seal the cable laying cavity Covered cable trench cover, the cable trench body is in a closed state after the cable trench cover is closed, and the cables laid in it will emit heat after being energized, which is difficult to quickly discharge, especially in summer, high temperature and Solar radiation will heat up the surface, and the temperature on the surface will also be transmitted to the cable trench, making the temperature in the cable trench higher, and the temperature in the cable trench is too high, and the heat accumulated in it cannot be discharged in time, which will lead to The current carrying capacity of the cable decreases and cannot reach the rated current carrying capacity, which will affect the normal use of the cable; in addition, the cable trench is buried underground, and the moisture in the soil will make the inside of the cable trench damp. If it is raining, the water in the soil will It will enter the cable laying cavity through the gap between the cable trench cover plate and the cable trench body, aggravate the moisture in the cable trench, and cause water accumulation in the cable trench. The moisture will easily cause the cable to break down and cause concentrated leakage. Once the cable leaks, it needs to be repaired, and the accumulation of water will lead to a greater risk of emergency repairs and a greater potential safety hazard

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment one: if figure 1 , figure 2 As shown, a cable trench system includes a cable trench body 1. The cable trench body 1 has an upper opening and a cable laying concave cavity 11 for laying cables through the front and back. The cable trench cover 2 covered by the upper opening of the cavity 11 also includes a dehumidification device for removing the moisture in the cable laying cavity 11 and an exhaust device for discharging the hot gas in the cable laying cavity 11 to the outside , a cooling device for lowering the temperature in the cable laying cavity 11 and a drainage device for discharging the accumulated water in the cable laying cavity 11 to the outside.

[0025] In this specific embodiment, the cable trench body 1 includes a bottom plate 101 arranged horizontally, a left side plate 102 and a right side plate 103 are arranged vertically on both sides of the bottom plate 101 respectively, and the left side plate 102 and the right side plate 103 are arrang...

Embodiment 2

[0037] Embodiment two: if image 3 As shown, other parts are the same as in Embodiment 1, the difference is that the inner chamber 401 of each cooling box 4 communicates with the drainage groove 61 through a drain pipe 7, and the cooling box 4 is arranged above the drainage box 6, The upper end of the drain pipe 7 is arranged at the bottom of the box body 402 and communicates with the inner cavity 401 , and the lower end of the drain pipe 7 communicates with the drain groove 61 . The above structure realizes that the water accidentally accumulated in the cooling box 4 can also enter into the drainage box 6 along the drain pipe 7 to be discharged outward.

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PUM

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Abstract

The invention discloses a cable trench system, which comprises a cable trench body, wherein the cable trench body is provided with a cable laying cavity which is provided with an opening in the upperportion, is through in the front-back direction and is used for laying a cable, a cable trench cover plate used for covering the opening in the upper portion of the cable laying cavity is arranged onthe cable trench body in a covering mode, and the cable trench system is characterized by further comprising a dehumidification device, an exhaust device, a cooling device and a drainage device. The cable trench system has the advantages that the dehumidification device is used for removing moisture in the cable laying cavity, the exhaust device is used for exhausting hot air in the cable laying cavity outwards, the cooling device is used for reducing the temperature in the cable laying cavity, and the drainage device is used for discharging accumulated water in the cable laying cavity outwards, so that through the matched use of the devices, the whole system can conduct heat dissipation, drainage and dehumidification treatment on the cable laying cavity in time, and it is guaranteed thatthe cable laid in the cable laying cavity is normally and safely used.

Description

technical field [0001] The invention relates to the field of cable laying, in particular to a cable trench system. Background technique [0002] The cable trench is a pipeline for laying and replacing electric power or telecommunication cable facilities, usually buried underground, including a cable trench body with a cable laying cavity and an upper seal set on the cable trench body to seal the cable laying cavity Covered cable trench cover, the cable trench body is in a closed state after the cable trench cover is closed, and the cables laid in it will emit heat after being energized, which is difficult to quickly discharge, especially in summer, high temperature and Solar radiation will heat up the surface, and the temperature on the surface will also be transmitted to the cable trench, making the temperature in the cable trench higher, and the temperature in the cable trench is too high, and the heat accumulated in it cannot be discharged in time, which will lead to The...

Claims

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Application Information

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IPC IPC(8): H02G9/02H02G9/06
CPCH02G9/02H02G9/06
Inventor 阮武施建放何行波周益明王璐蔡振广
Owner 宁波东方电缆股份有限公司