Cable with marked length

Abstract

The utility model discloses a cable with marked length, which comprises a cable body, a heat dissipation triangular piece and a mica protective sleeve, the mica protective sleeve is arranged in the cable body, a temperature measurement cable B is arranged in the mica protective sleeve, a copper core is arranged in the mica protective sleeve outside the temperature measurement cable B, and the heat dissipation triangular piece is arranged in the copper core. The communication protection sleeve is installed in the cable body below the mica protection sleeve, the communication optical fiber is installed in the communication protection sleeve, the heat conduction layer is installed in the cable body on one side of the communication protection sleeve, and the heat conduction fins are installed in the cable body above the heat conduction layer. A heat dissipation chamber is arranged in the portion, on the inner side of the waterproof filler layer, of the heat dissipation triangular piece, and the tail ends of the heat conduction fins extend into the heat dissipation chamber. In the using process, one line can be used for multiple purposes, fire resistance is enhanced, heat dissipation efficiency is improved, and safe and stable operation of an intelligent power grid is promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a cable with a marked length. Background Art

[0002] With the rapid development of my country's national economy and the continuous strengthening of infrastructure, the number of power supply facilities and cable products has increased significantly, whether in urban power grids or rural power supply. As a historic project related to the lives of the people, the safe operation of the smart grid is of great significance to the power system, national economy, social stability and national security. Therefore, it is necessary to improve the cable. Among them, the "composite fireproof cable" disclosed in the application number "CN110364299B" has solved the various disadvantages of poor heat dissipation performance of the cable, affecting the normal use of the cable and reducing the service life of the cable. After further search, it was found that the application number " The "flame-retardant power cable" disclosed in "CN108986981B" has a specific technical structure setting, which effectively solves the technical drawbacks that a large amount of smoke and toxic and corrosive gases released when the cable burns are dangerous factors in fires, hindering people's safe evacuation and fire fighting work in fires, causing serious losses of life and property, etc. However, in actual use, cables with similar structures still have many defects, such as: they cannot meet the needs of the rapidly developing smart grid construction, the heat dissipation problem is more prominent, and fires caused by the inability to meet the heat dissipation requirements often occur, causing significant economic losses, so it is necessary to design a cable with a marked length. Utility Model Content

[0003] The utility model aims to provide a cable with a marked length to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable with a marked length, comprising a cable body, a waterproof filler layer, a wear-resistant coating, a heat dissipation triangle and a mica protective sleeve, a mica protective sleeve installed inside the cable body, a temperature measuring cable B installed inside the mica protective sleeve, a copper core installed inside the mica protective sleeve outside the temperature measuring cable B, a communication protective sleeve installed inside the cable body below the mica protective sleeve, a communication optical fiber installed inside the communication protective sleeve, a heat conductive layer installed inside the cable body on one side of the communication protective sleeve, a heat conductive fin installed inside the cable body above the heat conductive layer, a heat dissipation chamber is provided inside the heat dissipation triangle inside the waterproof filler layer, and the ends of the heat conductive fins extend to the inside of the heat dissipation chamber.

[0005] Preferably, a heat dissipation triangle is installed on the top of the cable body, a wear-resistant coating is installed inside the heat dissipation triangle, and a heat dissipation member is installed on the surface of the heat dissipation triangle.

[0006] Preferably, a temperature measuring cable A is installed inside the communication protective cover inside the communication optical fiber, and temperature measuring cables A and B are both installed with temperature measuring optical fibers.

[0007] Preferably, a cable assembly fixture is installed at the bottom of the cable body, and the filling material inside the cable body is an epoxy resin filler layer.

[0008] Preferably, an insulating shielding layer is installed inside the cable body on one side of the mica protective sheath, and a cable core is installed inside the insulating shielding layer.

[0009] Preferably, a tough protective layer is installed inside the cable body on the side of the thermal conductive layer, a waterproof filler layer is installed inside the heat dissipation triangle inside the wear-resistant coating, and a fire-resistant layer is installed inside the cable body on the side of the tough protective layer.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model cable is provided with a fire-resistant layer to provide fire protection for the entire cable to prevent external fire sources from burning the interior thereof; the temperature of the communication optical fiber and the copper core during operation can be monitored by installing a temperature measuring cable A and a temperature measuring cable B to prevent internal overheating and fire; the cable core can be provided to supply power to various control devices on the cable to maintain the safe and stable operation of the smart grid; the insulating shielding layer can be provided to prevent interference with the cable core caused by electromagnetic and other factors when supplying power to the control device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of the fire-resistant layer of the utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of the epoxy resin filler layer of the utility model;

[0014] Figure 4 The utility model is a schematic diagram of the internal structure of the mica protective cover.

[0015] In the figure: 1. Cable body; 2. Fire-resistant layer; 3. Temperature measuring cable A; 4. Heat conducting layer; 5. Insulating shielding layer; 6. Cable core; 7. Heat conducting fins; 8. Heat dissipation chamber; 9. Waterproof filler layer; 10. Tough protective layer; 11. Epoxy resin filler layer; 12. Communication optical fiber; 13. Communication protective cover; 14. Copper core; 15. Temperature measuring optical fiber; 16. Temperature measuring cable B; 17. Mica protective cover; 18. Wear-resistant coating; 19. Fixing clamp; 20. Heat dissipation part; 21. Heat dissipation triangle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4 The utility model provides an embodiment: a cable with a marked length, including a cable body 1, a heat dissipation triangle 21 and a mica protective sleeve 17, a mica protective sleeve 17 is installed inside the cable body 1, a temperature measuring cable B16 is installed inside the mica protective sleeve 17, a copper core 14 is installed inside the mica protective sleeve 17 outside the temperature measuring cable B16, an insulating shielding layer 5 is installed inside the cable body 1 on one side of the mica protective sleeve 17, which plays a role of insulation and anti-interference, a cable core 6 is installed inside the insulating shielding layer 5, and the cable core 6 can supply power to some control devices and play a role of controlling signal transmission, so as to facilitate the control and maintenance of the smart grid;

[0018] A communication protective sleeve 13 is installed inside the cable body 1 below the mica protective sleeve 17, a communication optical fiber 12 is installed inside the communication protective sleeve 13, a temperature measuring cable A3 is installed inside the communication protective sleeve 13 inside the communication optical fiber 12, and the temperature measuring cable A3 and the temperature measuring cable B16 are both installed with temperature measuring optical fibers 15, so that the temperature inside them can be monitored at all times, a heat conducting layer 4 is installed inside the cable body 1 on one side of the communication protective sleeve 13, a heat conducting fin 7 is installed inside the cable body 1 above the heat conducting layer 4, a tough protective layer 10 is installed inside the cable body 1 on one side of the heat conducting layer 4, and a fire-resistant layer 2 is installed inside the cable body 1 on one side of the tough protective layer 10, so as to prevent damage to the cable line by external fire sources and enhance protection;

[0019] The filling material inside the cable body 1 is an epoxy resin filler layer 11, which can fix the internal installation components and play a buffering and protective role. A heat dissipation triangle 21 is installed on the top of the cable body 1, and a heat dissipation component 20 is installed on the surface of the heat dissipation triangle 21 to facilitate heat dissipation. A wear-resistant coating 18 is installed inside the heat dissipation triangle 21 to increase the wear resistance of the heat dissipation triangle 21 and prevent loss during use. A waterproof filler layer 9 is installed inside the heat dissipation triangle 21 on the inside of the wear-resistant coating 18, which can seal the heat dissipation triangle 21 to prevent moisture from entering and affecting the normal use of the cable. A heat dissipation chamber 8 is provided inside the heat dissipation triangle 21 on the inside of the waterproof filler layer 9, and the end of the heat-conducting fin 7 extends to the inside of the heat dissipation chamber 8, which guides the internal heat of the cable while increasing the heat dissipation efficiency. A cable assembly fixture 19 is installed at the bottom of the cable body 1 to facilitate the installation and use of the cable.

[0020] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cable with a marked length, comprising a cable body (1), a waterproof filler layer (9), a wear-resistant coating (18), a heat dissipation triangle (21) and a mica protective sleeve (17), characterized in that: A mica protective sleeve (17) is installed inside the cable body (1), a temperature measuring cable B (16) is installed inside the mica protective sleeve (17), a copper core (14) is installed inside the mica protective sleeve (17) outside the temperature measuring cable B (16), a communication protective sleeve (13) is installed inside the cable body (1) below the mica protective sleeve (17), a communication optical fiber (12) is installed inside the communication protective sleeve (13), a heat conducting layer (4) is installed inside the cable body (1) on one side of the communication protective sleeve (13), a heat conducting fin (7) is installed inside the cable body (1) above the heat conducting layer (4), a heat dissipation chamber (8) is provided inside the heat dissipation triangle (21) inside the waterproof filler layer (9), and the end of the heat conducting fin (7) extends to the inside of the heat dissipation chamber (8).

2. A cable with a marked length according to claim 1, characterized in that: A heat dissipation triangle (21) is installed on the top of the cable body (1), a wear-resistant coating (18) is installed inside the heat dissipation triangle (21), and a heat dissipation element (20) is installed on the surface of the heat dissipation triangle (21).

3. A cable with a marked length according to claim 1, characterized in that: A temperature measuring cable A (3) is installed inside the communication protective cover (13) inside the communication optical fiber (12), and temperature measuring optical fibers (15) are installed inside both the temperature measuring cable A (3) and the temperature measuring cable B (16).

4. A cable with a marked length according to claim 1, characterized in that: A cable assembly fixture (19) is installed at the bottom of the cable body (1), and the filling material inside the cable body (1) is an epoxy resin filling layer (11).

5. A cable with a marked length according to claim 1, characterized in that: An insulating shielding layer (5) is installed inside the cable body (1) on one side of the mica protective sheath (17), and a cable core (6) is installed inside the insulating shielding layer (5).

6. A cable with a marked length according to claim 1, characterized in that: A tough protective layer (10) is installed inside the cable body (1) on the side of the heat-conducting layer (4), a waterproof filler layer (9) is installed inside the heat dissipation triangle (21) inside the wear-resistant coating (18), and a fire-resistant layer (2) is installed inside the cable body (1) on the side of the tough protective layer (10).

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