Power cable with high fire-resistant temperature

Abstract

The utility model discloses a high fire-resistant temperature power cable, which relates to the technical field of power cables and comprises a traction core, a filling layer fixedly connected to the outer side of the traction core, an insulating outer layer fixedly connected to the inside of the filling layer, a conductor fixedly connected to the inside of the insulating outer layer, and an insulating layer fixedly connected to the outside of the conductor. The outer side of the filling layer is fixedly connected with a fireproof metal layer, the outer side of the fireproof metal layer is fixedly connected with a fireproof protection layer, the outer side of the fireproof protection layer is provided with a fireproof assembly, and the fireproof assembly comprises an installation layer. And through arrangement of the filling layer and the fireproof assembly, the overall fireproof performance can be improved, the service life of the power cable is prolonged, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of power cables, in particular to a high fire-resistant temperature power cable. Background Art

[0002] With the development of the power industry in modern society, power cables have been widely used in modern society, and they are widely used in the transmission of electricity.

[0003] In the existing technology, the power cable does not have high fire resistance and is easily burned, which affects the service life of the power cable and makes it inconvenient to use. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, one of the purposes of the utility model is to provide a high fire-resistant temperature power cable, which can increase the overall fire resistance and improve the service life of the power cable by setting a filling layer and a fire-resistant component, and is easy to use.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a high fire-resistant temperature power cable, comprising a traction core, a filling layer is fixedly connected to the outside of the traction core, an insulating outer layer is fixedly connected to the inside of the filling layer, a conductor is fixedly connected to the inside of the insulating outer layer, a refractory metal layer is fixedly connected to the outside of the filling layer, a refractory protective layer is fixedly connected to the outside of the refractory metal layer, a refractory component is arranged on the outside of the refractory protective layer, the refractory component comprises a mounting layer, an insulating metal strip is fixedly connected to the inside of the mounting layer, and an outer refractory layer is fixedly connected to the outside of the mounting layer. By setting the filling layer and the refractory component, the overall fire resistance can be increased, the service life of the power cable is improved, and it is easy to use.

[0006] According to the high fire-resistant temperature power cable, the fire-resistant metal layer is woven from metal materials.

[0007] According to the high fire-resistant temperature power cable, the filling layer is made of mica particles.

[0008] According to the high fire-resistant temperature power cable, the heat-insulating metal strips are evenly distributed around the circumference.

[0009] According to the high fire-resistant temperature power cable, the thickness of the outer fire-resistant layer is half the thickness of the installation layer.

[0010] Beneficial Effects

[0011] Compared with the prior art, the utility model can increase the overall fire resistance performance and prolong the service life of the power cable by setting the filling layer and the fire-resistant components, and is easy to use.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a schematic diagram of the structure of a high fire-resistant temperature power cable of the utility model;

[0015] Figure 2 This is a cross-sectional view of a high fire-resistant temperature power cable of the utility model;

[0016] Figure 3 The utility model is a schematic structural diagram of a fire-resistant component of a high fire-resistant temperature power cable.

[0017] Legend:

[0018] 101. traction core; 102. filling layer; 103. insulating outer layer; 104. conductor; 105. refractory metal layer; 106. refractory protective layer; 2. refractory components; 201. mounting layer; 202. insulating metal strips; 203. outer refractory layer. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] Reference Figure 1-3The utility model embodiment is a high fire-resistant temperature power cable, which includes a traction core 101, a filling layer 102 is fixedly connected to the outside of the traction core 101, the filling layer 102 is made of mica particles, an insulating outer layer 103 is fixedly connected to the inside of the filling layer 102, a conductor 104 is fixedly connected to the inside of the insulating outer layer 103, a refractory metal layer 105 is fixedly connected to the outside of the filling layer 102, the refractory metal layer 105 is woven from a metal material, a refractory protective layer 106 is fixedly connected to the outside of the refractory metal layer 105, and a refractory protective layer 106 is arranged on the outside of the refractory protective layer 106. Component 2, fire-resistant component 2 includes a mounting layer 201, the interior of the mounting layer 201 is fixedly connected with a heat-insulating metal strip 202, the heat-insulating metal strip 202 is evenly distributed around the circumference, the outer side of the mounting layer 201 is fixedly connected with an outer fire-resistant layer 203, the thickness of the outer fire-resistant layer 203 is half the thickness of the mounting layer 201, when in use, the outer fire-resistant layer 203 first provides protection and fire resistance on the outside, the heat-insulating metal strip 202 reduces the transfer of heat, the filling layer 102 and the fire-resistant protective layer 106 improve the fire resistance and protection of the inner layer, thereby improving the overall fire resistance and protection effect, and it is very convenient to use. By setting the filling layer 102 and the fire-resistant component 2, the overall fire resistance performance can be increased, the service life of the power cable is increased, and it is easy to use.

[0021] Working principle: When in use, the outer fire-resistant layer 203 first provides protection and fire resistance on the outside, the insulating metal strip 202 reduces the heat transfer, the filling layer 102 and the fire-resistant protective layer 106 improve the fire resistance and protection of the inner layer, thereby improving the overall fire resistance and protection effect, which is very convenient to use.

[0022] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A high fire-resistant temperature power cable, comprising a traction core (101), characterized in that: The outer side of the traction core (101) is fixedly connected to a filling layer (102), the inner side of the filling layer (102) is fixedly connected to an insulating outer layer (103), the inner side of the insulating outer layer (103) is fixedly connected to a conductor (104), the outer side of the filling layer (102) is fixedly connected to a refractory metal layer (105), the outer side of the refractory metal layer (105) is fixedly connected to a refractory protective layer (106), the outer side of the refractory protective layer (106) is provided with a refractory component (2), the refractory component (2) comprises a mounting layer (201), the inner side of the mounting layer (201) is fixedly connected to an insulating metal strip (202), and the outer side of the mounting layer (201) is fixedly connected to an outer refractory layer (203).

2. A high fire-resistant temperature power cable according to claim 1, characterized in that: The refractory metal layer (105) is woven from metal materials.

3. A high fire-resistant temperature power cable according to claim 1, characterized in that: The filling layer (102) is made of mica particles.

4. A high fire-resistant temperature power cable according to claim 1, characterized in that: The heat-insulating metal strips (202) are evenly distributed around the circumference.

5. A high fire-resistant temperature power cable according to claim 1, characterized in that: The thickness of the outer fire-resistant layer (203) is half the thickness of the installation layer (201).

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