CN103545780B - A kind of fireproof cable channel - Google Patents

Abstract

The invention discloses a fireproof cable trench. The fireproof cable trench is composed of at least two sections of trench bodies, an airtight partition is arranged between the two sections of trench bodies, the airtight partition is additionally provided with wire passing holes, and the cross section of the trench body is Rectangular, composed of ditch bottom, ditch wall, partition wall and top cover, wherein the ditch bottom, partition wall and ditch wall are integrally formed structure, the control system consists of data processor, drive module, address coding module, wireless data transmission module and alarm It is composed of modules, and the upper surface of the top cover is equipped with a pull ring and an observation window. Compared with the traditional cable trench, the present invention has excellent fire protection and alarm functions, and can extinguish the fire source at the initial stage of cable burning in the cable trench, so as to quickly extinguish the fire and protect other cables and electrical equipment, reducing the loss caused by failure At the same time, it can quickly and accurately locate the fire point and give an alarm through the dual means of sound and electronic code addressing, which greatly improves the work efficiency of fault repair.

Description

A fireproof cable trench

technical field

The invention relates to a fireproof cable trench, which belongs to the technical field of electric power protection.

Background technique

At present, in the long-distance laying of multiple cables such as power cables and communication cables, the method of laying through cable trenches has been widely used, but due to the large number of various cables arranged in the cable trench and the dense spacing High, and the current management of cable trenches relies entirely on manual inspection. When a cable catches fire, it is impossible to find the fire point in the first time, and it is impossible to extinguish the fire in time. Once one of the cables catches fire, it is easy to spread to the Other cables or electrical equipment, thus causing serious electricity accidents, and in severe cases will cause indirect damage such as fire, which is extremely harmful. Therefore, there is an urgent need for a new type of cable trench that can integrate fire extinguishing and alarm functions. Meet the needs of safe electricity use.

Contents of the invention

The object of the present invention is to overcome the above disadvantages and provide a fireproof cable trench and laying method.

To achieve the above object, the present invention is achieved through the following technical solutions:

A fireproof cable trench, the fireproof cable trench is composed of at least two trench bodies, an airtight partition is set between the two trench bodies, and the airtight partition is additionally provided with a wire passing hole. The cross section of the ditch body is rectangular and consists of ditch bottom, ditch wall, partition wall and top cover, wherein the ditch bottom, partition wall and ditch wall are integrally formed, and the top cover is located at the top of the ditch wall and partition wall and passed through the air Sealed gasket connection, the partition wall is set along the direction of the ditch body, and divides the inside of the ditch body into two parts: the wiring groove and the auxiliary groove. Wiring racks, temperature sensors and smoke sensors are arranged on the wall. An inert gas storage tank, a gas pipe and an exhaust control system are also provided in the auxiliary tank. One end of the gas pipe is connected to the inert gas storage tank through a solenoid valve, and the other end is connected to the The air port is connected, and the control system is composed of a data processor, a drive module, an address coding module, a wireless data transmission module and an alarm module, wherein the driving module is connected with the data processor, the address coding module, the wireless data transmission module, and the alarm module respectively. , temperature sensor, smoke sensor and solenoid valve are electrically connected, and the upper surface of the top cover is additionally provided with a pull ring and an observation window.

The alarm module is a buzzer or an electric whistle.

At least one temperature sensor and smoke sensor are provided.

The ditch bottom, ditch wall, partition wall and top cover are of brick-concrete structure or PVC profile structure.

Compared with the traditional cable trench, the present invention has excellent fire protection and alarm functions, and can extinguish the fire source at the initial stage of cable burning in the cable trench, so as to quickly extinguish the fire and protect other cables and electrical equipment, reducing the loss caused by failure At the same time, it can quickly and accurately locate the fire point and give an alarm through the dual means of sound and electronic code addressing, which greatly improves the work efficiency of fault repair.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a block diagram of the electrical principle of the present invention.

detailed description

As shown in Figures 1 and 2, a fireproof cable trench, the fireproof cable trench is composed of at least two section trenches, an airtight partition 1 is arranged between the two section trenches, and the airtight partition 1. In addition, a wire hole 2 is provided. The cross section of the ditch body is rectangular, which is composed of the ditch bottom 3, the ditch wall 4, the partition wall 5 and the top cover 6, wherein the ditch bottom 3, the ditch wall 4, and the partition wall 5 are integrated Forming structure, the top cover 6 is located at the top of the ditch wall 4 and the partition wall 5 and connected by an airtight gasket 7, the partition wall 5 is arranged along the direction of the ditch body, and divides the inside of the ditch body into wiring grooves 8 and There are two parts of the auxiliary tank 9, the air outlet 10 is uniformly distributed on the partition wall 5, and a wiring rack 11, a temperature sensor 12 and a smoke sensor 13 are arranged on the partition wall 5 on one side of the wiring slot, and the auxiliary tank 9 In addition, an inert gas storage tank 14, a gas pipe 15 and an exhaust control system are provided. One end of the gas pipe 15 is connected to the inert gas storage tank 14 through a solenoid valve 16, and the other end is connected to the gas outlet 10. The control system is controlled by data processing. device, drive module, address code module, wireless data transmission module and alarm module, wherein the drive module is connected with data processor, address code module, wireless data transmission module, alarm module, temperature sensor 12, smoke sensor 13 and solenoid valve electric To connect, the upper surface of the top cover is additionally provided with a pull ring 17 and an observation window 18.

When using, firstly, according to the actual needs, select an appropriate number of trenches and install and connect them through the airtight partition, then pass the cables through the wire hole of the airtight partition and fix them on the wiring frame in the trench, that is, After the cable laying is completed, when one or more parts of a certain cable is in operation due to short circuit, leakage, etc., causing the temperature of the cable to rise until the insulation layer catches fire and burns, the temperature sensor and smoke sensor receive any high temperature or smoke signal or After the two are available at the same time, the inert gas in the auxiliary groove inside the corresponding ditch is opened directly through the control system and quickly filled in the side of the ditch wiring groove of the cable burning section to extinguish the fire. While realizing the fire extinguishing function, the control system also On the one hand, it will alarm through the alarm module, and on the other hand, it will perform remote alarm through the communication module and address coding module, so as to accurately locate the location of the fault point.

Claims (4)

1. A fireproof cable trench, characterized in that: the fireproof cable trench is made of at least two joint trench bodies, an airtight partition is set between the two joint trench bodies, and the airtight partition is additionally set Line holes, the cross-section of the ditch body is rectangular, and is composed of a ditch bottom, a ditch wall, a partition wall and a top cover, wherein the ditch bottom, the partition wall, and the ditch wall are integrally formed, and the top cover is located between the ditch wall and the top cover. The top of the partition wall is connected by an airtight gasket. The partition wall is arranged along the direction of the ditch body, and divides the inside of the ditch body into two parts: the wiring groove and the auxiliary groove. A wiring frame, a temperature sensor and a smoke sensor are arranged on the partition wall on one side of the wiring trough, and an inert gas storage tank, a gas pipe and an exhaust control system are arranged in the auxiliary tank, and one end of the gas pipe is connected to the inert gas storage tank through a solenoid valve. tank, and the other end is connected to the gas outlet. The control system is composed of a data processor, a drive module, an address code module, a wireless data transmission module and an alarm module, wherein the drive module is connected to the data processor, address code module, wireless The data transmission module, the alarm module, the temperature sensor, the smoke sensor and the solenoid valve are electrically connected, and the upper surface of the top cover is additionally provided with a pull ring and an observation window. 2. A fireproof cable trench according to claim 1, characterized in that: said alarm module is a buzzer or an electric whistle. 3. A fireproof cable trench according to claim 1, characterized in that: said temperature sensor and smoke sensor are provided with at least one. 4. A fireproof cable trench according to claim 1, characterized in that: said trench bottom, trench wall, partition wall and top cover are of brick-concrete structure or PVC profile structure.