Power cable laying structure

By introducing heat insulation boards and emergency components into the power cable laying structure, and utilizing temperature sensors and carbon dioxide fire extinguishing materials, the problem of cable fire spread was solved, achieving layered layout and active fire suppression of power cables.

CN223713481UActive Publication Date: 2025-12-23CHINA ENERGY CONSTR GRP SHAANXI ELECTRIC POWER DESIGN INST CO LTD
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Patent Information

Application Number
CN202423026487.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-12-23
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

During the laying of power cables in substations, fires are difficult to control, and existing technologies cannot effectively prevent the spread of fire.

Method used

It adopts a heat insulation board and fixing buckle structure, combined with emergency components, including a storage tank, gas supply valve, diversion pipe and triggering unit. It detects the fire point through temperature sensor and controller, and uses carbon dioxide fire extinguishing material to prevent the fire from spreading.

Benefits of technology

It enables layered deployment of power cables and active fire suppression, allowing for rapid response in the event of a fire, mitigating its impact, and preventing its spread.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a power cable laying structure comprising a heat insulation plate, two ends of the heat insulation plate are provided with mounting supports, and the upper side and the lower side of the heat insulation plate are provided with a plurality of fixing buckles; an emergency part is arranged on the mounting bracket on one side; the fixing buckle comprises a first fixing ring and a second fixing ring. According to the utility model, the fixing buckles on the upper side and the lower side of the heat insulation plate are used for laying the power cable and the control cable respectively, so that the power cable and the control cable can be laid in a layered manner, and the emergency part is additionally arranged between the two layered structures and is used for isolating and reducing the fire influence, further detecting the fire point and actively extinguishing the fire; the cable temperature and abnormal conditions can be obtained through the trigger unit arranged on the storage tank, and when a fire occurs, the fire extinguishing materials in the storage tank can be extracted by starting the air supply valve and are discharged through the spray holes to act on the cable, so that the effects of extinguishing the fire and preventing the fire from spreading are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable laying structure technical field especially, relates to a power cable laying structure. BACKGROUND

[0002] Power cable laying structure refers to the specific layout, fixing mode, protection measures and the mutual relationship with the surrounding environment of power cable in the laying process.

[0003] When the power cable in the transformer substation is laid to the external device for use, since the functions of the cables are different, in order to delay the spread of fire when the cable fire occurs, a power cable laying structure is provided to solve the above problems. SUMMARY

[0004] The utility model discloses a power cable laying structure to solve the above problems.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a power cable laying structure, comprising:

[0006] The heat insulation plate is provided with mounting brackets at both ends, and a plurality of fixing buckles are arranged on the upper and lower sides of the heat insulation plate.

[0007] An emergency part is arranged on one of the mounting brackets.

[0008] The fixing buckle comprises a first fixing ring and a second fixing ring, the first fixing ring and the second fixing ring form a circular ring to fix the cable, air guide grooves are formed in the first fixing ring and the second fixing ring, and injection holes are formed in the inner walls of the first fixing ring and the second fixing ring and are in communication with the air guide grooves.

[0009] The emergency part comprises a storage tank, a gas supply valve and a flow guide pipe extending into the heat insulation plate, the flow guide pipe is in communication with the air guide groove, and a trigger unit electrically connected to the gas supply valve is arranged in the fixing buckle to obtain the temperature of the cable and prevent the spread of fire.

[0010] Further, the trigger unit comprises a temperature sensor and a controller, and the controller is electrically connected to the storage tank and the temperature sensor.

[0011] Further, the fixing buckles on the upper and lower sides of the heat insulation plate are used to respectively lay power cables and control cables.

[0012] Further, the first fixing ring and the second fixing ring are provided with contact isolation pads corresponding to the cables.

[0013] The injection holes are distributed on both sides of the contact isolation pads, and the contact isolation pads are used to block the spread of cable fire.

[0014] Further, the injection hole is filled with a blocking wax.

[0015] Further, the flow guide pipe is provided with an air pressure sensor for monitoring the pressure inside the flow guide pipe.

[0016] Further, the storage tank is filled with carbon dioxide.

[0017] The beneficial effects of the present application are reflected in:

[0018] The utility model discloses the fixed buckle of heat insulation board upper and lower sides is used to respectively lay power cable and control cable, thereby can carry out the layered layout to power cable and control cable, and adds emergency department between two layered structures, is used for in isolation, alleviates the influence of fire, further through the detection of the fire point and can actively carry out fire extinguishing, can obtain cable temperature and abnormal situation through the trigger unit set up on it, and when the fire occurs, can through starting the gas valve, extracts the fire extinguishing material in storage tank and discharges through the injection hole, acts on cable, reaches the effect of fire extinguishing and prevents the spread of fire. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the perspective view of the utility model;

[0020] Figure 2 It is the structure front view of the utility model;

[0021] Figure 3 It is the section view of the utility model;

[0022] Figure 4 It is the utility model Figure 3 The enlarged schematic view of A in the utility model.

[0023] In the drawing:

[0024] 01, cable;

[0025] 1, heat insulation board;

[0026] 2, mounting bracket;

[0027] 3, fixed buckle;31, first fixed ring;32, second fixed ring;33, gas guide groove;34, injection hole;35, isolation pad;

[0028] 4, emergency department;41, storage tank;42, gas valve;43, flow guide pipe;431, air pressure sensor. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. In the case of no conflict, the embodiments in the application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] Please refer to Figures 1-4 The utility model discloses a kind of electric power cable laying structures, comprising:

[0031] Thermal insulation plate 1, the both ends of the thermal insulation plate 1 are provided with mounting bracket 2, the upper and lower sides of the thermal insulation plate 1 are provided with a plurality of fixed buckles 3;

[0032] One side mounting bracket 2 is provided with emergency part 4;

[0033] The fixed buckle 3 includes first fixed ring 31 and second fixed ring 32, the first fixed ring 31 and the second fixed ring 32 form a circular ring to fix cable 01, air guide groove 33 is opened in the first fixed ring 31 and the second fixed ring 32, and the air guide groove 33 is communicated, and the first fixed ring 31 and the second fixed ring 32 inner wall are provided with spray hole 34 communicated with air guide groove 33;

[0034] Emergency part 4 includes storage tank 41, gas supply valve 42 and flow guide pipe 43 extending into thermal insulation plate 1, the flow guide pipe 43 is communicated with air guide groove 33, and the fixed buckle 3 is provided with trigger unit electrically connected with gas supply valve 42, to obtain cable 01 temperature and prevent fire spread.

[0035] When the application is used, the fixed buckle 3 on the upper and lower sides of the thermal insulation plate 1 is used to respectively lay power cable and control cable, so that the power cable and the control cable can be laid in layers, and the emergency part 4 is added between the two layered structures to isolate and reduce the impact of fire, and further extinguish the fire by detecting the fire point.

[0036] Specifically, the trigger unit includes a temperature sensor and a controller, the controller is electrically connected with the storage tank 41 and the temperature sensor, through the above structure, when the equipment is used, the trigger unit provided thereon is used to obtain the temperature of cable 01 and abnormal conditions, and when fire occurs, the gas supply valve 42 can be started to extract the fire extinguishing material in the storage tank 41 and discharge through the spray hole 34 to act on the cable 01, so as to achieve the effect of extinguishing fire and preventing fire spread.

[0037] It should be noted that the first fixed ring 31 and the second fixed ring 32 are provided with a contact isolation pad 35 corresponding to the cable 01;

[0038] The injection hole 34 is distributed on both sides of the contact isolation pad 35, and the contact isolation pad 35 is used to block the spread of the cable 01 fire.

[0039] In this application, the injection hole 34 is filled with a blocking wax.

[0040] Further, the flow guide pipe 43 is provided with an air pressure sensor 431, and the air pressure sensor 431 is used to monitor the internal pressure of the flow guide pipe 43.

[0041] Through the above structure, the blocking wax can be used to block the melting of the blocking wax under high temperature, so that the injection hole 34 is conducted, and at this time the pressure in the flow guide pipe 43 will change, and the air pressure sensor 431 detects the pressure change and synchronizes with the trigger unit information, so as to determine the fire location, and then the corresponding position is extinguished.

[0042] Finally, it is easy to think that the storage tank 41 is filled with carbon dioxide.

[0043] It should be noted that if the embodiment of the utility model has directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition and the like between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, then the directionality indication also changes accordingly.

[0044] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and it is not within the protection scope required by the utility model.

[0045] In addition, "a plurality of" means two or more.

[0046] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A power cable laying structure, characterized in that, include: Heat insulation board (1), with mounting brackets (2) at both ends of the heat insulation board (1), and multiple fixing buckles (3) on the upper and lower sides of the heat insulation board (1); An emergency unit (4) is provided on one side of the mounting bracket (2); The fixing buckle (3) includes a first fixing ring (31) and a second fixing ring (32). The first fixing ring (31) and the second fixing ring (32) form a ring for fixing the cable (01). The first fixing ring (31) and the second fixing ring (32) have interconnected air guide grooves (33). The inner walls of the first fixing ring (31) and the second fixing ring (32) have spray holes (34) that communicate with the air guide grooves (33). The emergency unit (4) includes a storage tank (41), a gas supply valve (42), and a guide pipe (43) extending into the heat insulation plate (1). The guide pipe (43) is connected to the gas guide groove (33). The fixing buckle (3) is provided with a trigger unit that is electrically connected to the gas supply valve (42) to obtain the temperature of the cable (01) and trigger the emergency unit (4) to prevent the fire from spreading.

2. The power cable laying structure according to claim 1, characterized in that: The triggering unit includes a temperature sensor and a controller, the controller being electrically connected to the storage tank (41) and the temperature sensor.

3. The power cable laying structure according to claim 1, characterized in that: The fixing buckles (3) on the upper and lower sides of the heat insulation board (1) are used to lay power cables and control cables respectively.

4. The power cable laying structure according to claim 2, characterized in that: The first fixing ring (31) and the second fixing ring (32) are provided with contact isolation pads (35) corresponding to the cable (01); The nozzles (34) are distributed on both sides of the contact isolation pad (35), which is used to block the spread of fire from the cable (01).

5. The power cable laying structure according to claim 1, characterized in that: The nozzle (34) is filled with sealing wax.

6. The power cable laying structure according to claim 5, characterized in that: A pressure sensor (431) is provided on the guide tube (43) to monitor the internal pressure of the guide tube (43).

7. The power cable laying structure according to claim 1, characterized in that: The storage tank (41) is filled with carbon dioxide.