CN214203299U

CN214203299U - High-temperature-resistant insulated cable

Info

Publication number: CN214203299U
Application number: CN202120588108.2U
Authority: CN
Inventors: 汤善卿
Original assignee: Shandong Zhongmai Cable Co ltd
Current assignee: Shandong Zhongmai Cable Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-09-14
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to the technical field of insulated cables, in particular to a high-temperature resistant insulated cable, which comprises a conductor, the outer wall of the conductor is provided with an insulating layer, the outer wall of the insulating layer is provided with a shielding layer, the outer wall of the shielding layer is provided with a waterproof layer, the outer wall of the waterproof layer is provided with an inner filling body, heat generated by the conductor during working is taken away when the heat conducting liquid flows through the heat conducting liquid, the insulating cable is prevented from generating heat accumulation in the use process to cause high temperature, the service life is reduced, the high temperature resistance of the high temperature resistant insulating cable is enhanced, the heat conducting liquid flows through the return pipe in a high temperature environment to take away the heat transmitted to the high temperature resistant insulating cable from the outside, and the high temperature resistant insulating cable is prevented from being damaged by the outside high temperature, can be through adjusting the heat-conducting fluid temperature, this high temperature resistant type insulated cable of cooling or heating avoids high temperature or low temperature to influence this high temperature resistant type insulated cable.

Description

High-temperature-resistant insulated cable

Technical Field

The utility model relates to an insulated cable technical field especially relates to a high temperature resistant type insulated cable.

Background

Electrical cables are a product of electrical cables used in the trunk lines of electrical power systems to transmit and distribute high power electrical energy. It is commonly used for urban underground power grid, power station leading-out line, power supply in industrial and mining enterprises and power transmission line under river-crossing seawater, and in the power line, the proportion of the cable is gradually increased, including thousands of volts and hundreds of volts and various voltage levels above. The insulated cable is a cable coated with an insulating layer, so that the use performance is better, and the use safety is higher. The insulated cable can produce the heat in the use, and thermal piling up can cause high temperature, and under long-term high temperature environment, the insulated cable produces the damage easily, has reduced life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the high temperature resistance is not enough in the prior art and providing a high temperature resistant type insulated cable.

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

the high-temperature-resistant insulated cable comprises a conductor, wherein an insulating layer is arranged on the outer wall of the conductor, a shielding layer is arranged on the outer wall of the insulating layer, a waterproof layer is arranged on the outer wall of the shielding layer, an inner filling body is arranged on the outer wall of the waterproof layer, a through hole is formed in the inner filling body, a radiating pipe is arranged in the through hole, a heat insulating layer is arranged on the outer wall of the inner filling body, an outer filling body is arranged on the outer wall of the heat insulating layer, a through hole is formed in the inner part of the outer filling body, a backflow pipe is arranged in the through hole, an armor layer is arranged on the outer wall of the outer filling body, a protective sleeve is arranged on the outer wall of the armor layer, the liquid outlet of the radiating pipe is hermetically connected with a shunt joint, the liquid outlet of the shunt joint is hermetically connected with the backflow pipe, heat conducting liquid is arranged in the radiating pipe, the shunt joint and the backflow pipe, and one end, far away from the shunt joint, of the radiating pipe is connected with a liquid outlet of a water pump, one end of the return pipe, which is far away from the shunt joint, is connected with a liquid inlet of the water pump.

Preferably, the outer filling body is made of high-elasticity rubber sponge.

Preferably, the heat conducting liquid is an insulating cooling liquid.

Preferably, the armor layer is made of galvanized steel wires.

The utility model provides a pair of high temperature resistant type insulated cable, beneficial effect lies in: the heat that the conductor during operation produced when heat conduction liquid flows through takes away, prevent that insulated cable can produce the heat in the use and pile up and can cause high temperature, and the service life is shortened, strengthen this high temperature resistant type insulated cable's high temperature resistance ability, heat conduction liquid flows through the back flow in high temperature environment and takes away the heat that external world transmitted for this high temperature resistant type insulated cable, prevent that external high temperature from destroying high temperature resistant type insulated cable, can be through adjusting heat conduction liquid temperature, this high temperature resistant type insulated cable of cooling or heating, avoid the high temperature or low normal transmission of electricity that destroys this high temperature resistant type insulated cable or influence this high temperature resistant type insulated cable.

Drawings

Fig. 1 is a schematic structural diagram of a high temperature resistant insulated cable according to the present invention;

fig. 2 is the utility model provides a cross-sectional structure schematic diagram of high temperature resistant type insulated cable.

In the figure: 1. a protective sleeve; 2. an armor layer; 3. an outer filling body; 4. a return pipe; 5. a tap joint; 6. a radiating pipe; 7. a conductor; 8. an insulating layer; 9. a thermal insulation layer; 10. an inner filler; 11. a waterproof layer; 12. a shielding layer; 13. and (4) heat-conducting liquid.

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. 1-2, a high temperature resistant insulated cable comprises a conductor 7, an insulating layer 8 is disposed on the outer wall of the conductor 7, a shielding layer 12 is disposed on the outer wall of the insulating layer 8, a waterproof layer 11 is disposed on the outer wall of the shielding layer 12, an inner filling body 10 is disposed on the outer wall of the waterproof layer 11, a through hole is disposed inside the inner filling body 10, a heat dissipation pipe 6 is disposed inside the through hole, a heat insulation layer 9 is disposed on the outer wall of the inner filling body 10, an outer filling body 3 is disposed on the outer wall of the heat insulation layer 9, a through hole is disposed inside the outer filling body 3, a return pipe 4 is disposed inside the through hole, an armor layer 2 is disposed on the outer wall of the outer filling body 3, a protective sleeve 1 is disposed on the outer wall of the armor layer 2, a liquid outlet of the heat dissipation pipe 6 is hermetically connected with a shunt joint 5, a liquid outlet of the shunt joint 5, one end of the backflow pipe 4, which is far away from the shunt joint 5, is connected with a liquid inlet of the water pump, the outer filling body 3 is made of high-elasticity rubber sponge, the heat conducting liquid 13 is insulating cooling liquid, and the armor layer 2 is made of galvanized steel wires.

The working principle is as follows: the heat conducting liquid 13 is injected into the radiating pipe 6 through the water pump, when the heat conducting liquid 13 flows through the heat conducting liquid 13, the heat generated during the operation of the conductor 7 is taken away, the heat conducting liquid 13 flowing out of the radiating pipe 6 flows into the return pipe 4 through the shunt joint 5, the heat conducting liquid 13 flows through the return pipe 4 in a high-temperature environment to take away the heat transferred to the high-temperature resistant insulated cable from the outside, the temperature of the heat conducting liquid 13 can be adjusted by additionally arranging a condensing or heating device at one end far away from the shunt joint 5 to cool or heat the high-temperature resistant insulated cable, thereby avoiding damaging the high-temperature resistant insulated cable or influencing the normal power transmission of the high-temperature resistant insulated cable due to overhigh or overlow temperature, resist through armor 2 and pull or extrude, protection conductor 7, back flow 4 and cooling tube 6 reduce ambient temperature through insulating layer 9 and to the influence of conductor 7, slow down the destruction of external force to back flow 4 through outer obturator 3.

The heat that produces conductor 7 during operation when heat conduction liquid 13 flows through heat conduction liquid 13 is taken away, prevent that insulated cable can produce the heat in the use and pile up and can cause high temperature, and the service life is shortened, strengthen this high temperature resistant type insulated cable's high temperature resistance ability, heat conduction liquid 13 flows through back flow 4 in high temperature environment and takes away the heat that external world transmitted for this high temperature resistant type insulated cable, prevent that external high temperature from destroying high temperature resistant type insulated cable, can be through adjusting heat conduction liquid 13 temperature, this high temperature resistant type insulated cable of cooling or heating, avoid the high temperature or cross the normal transmission of electricity that destroys this high temperature resistant type insulated cable or influence this high temperature resistant type insulated cable excessively.

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. The high-temperature-resistant insulated cable comprises a conductor (7) and is characterized in that an insulating layer (8) is arranged on the outer wall of the conductor (7), a shielding layer (12) is arranged on the outer wall of the insulating layer (8), a waterproof layer (11) is arranged on the outer wall of the shielding layer (12), an inner filling body (10) is arranged on the outer wall of the waterproof layer (11), a through hole is formed in the inner filling body (10), a radiating pipe (6) is arranged in the through hole, a heat insulating layer (9) is arranged on the outer wall of the inner filling body (10), an outer filling body (3) is arranged on the outer wall of the heat insulating layer (9), a through hole is formed in the inner filling body (3), a return pipe (4) is arranged in the through hole, an armor layer (2) is arranged on the outer wall of the armor layer (2), a protective sleeve (1) is arranged on the outer wall of the armor layer (2), and a liquid outlet of the radiating pipe (6) is hermetically connected with a shunt joint (5), liquid outlet sealing connection back flow (4) of reposition of redundant personnel joint (5), the inside of cooling tube (6), reposition of redundant personnel joint (5) and back flow (4) is equipped with heat conduction liquid (13), the leakage fluid dram of water pump is connected to the one end that reposition of redundant personnel joint (5) were kept away from in cooling tube (6), the inlet of water pump is connected to the one end that reposition of redundant personnel joint (5) were kept away from in back flow (4).

2. A high temperature resistant insulated cable according to claim 1, characterized in that the outer filling body (3) is made of a highly elastic rubber sponge.

3. A high temperature resistant insulated cable according to claim 1, characterized in that the heat conducting liquid (13) is an insulating cooling liquid.

4. A high temperature resistant insulated cable according to claim 1, characterized in that the armouring layer (2) is made of galvanized steel wires.