CN219738564U - A highly insulated flexible coaxial cable with temperature measurement function - Google Patents

Abstract

The utility model discloses a high-insulation flexible coaxial cable with a temperature measurement function, which includes an inner conductor of the cable. The outer side of the inner conductor of the cable is wrapped with a first shielding metal layer, and the outer side of the first shielding metal layer is provided with a second shielding metal. layer, the outside of the second shielding metal layer is wrapped with a flexible outer sheath; several thermocouple temperature measurement wires are provided between the second shielding metal layer and the flexible outer sheath. The utility model is provided with a flexible outer sheath and an insulating filling layer, and the flexible outer sheath and insulating filling layer are both flexible insulating layers made of flexible environmentally friendly food-grade TPU materials, which not only ensures the flexibility of the coaxial cable, but also improves the insulation performance of the coaxial cable and improves the bending of the coaxial cable. performance, making the cable more wear-resistant, less prone to breakage and damage, giving the cable a longer service life. Multiple silver-plated copper wires are spirally twisted to form the inner conductor of the cable, which can improve the flexibility of the inner conductor of the cable, thereby improving the overall consistency. axis cable flexibility.

Description

A highly insulated flexible coaxial cable with temperature measurement function

Technical field

The utility model belongs to the technical field of communication cables, and specifically relates to a high-insulation flexible coaxial cable with a temperature measurement function.

Background technique

Coaxial cable is a kind of electric wire and signal transmission line. It is generally made of four layers of materials: the innermost is a conductive copper wire, the outside of the wire is surrounded by a layer of plastic (used as an insulator and dielectric), and there is a thin layer of plastic on the outside of the insulator. A mesh conductor (usually copper or alloy), and then the outermost layer of insulating material outside the conductor serves as the outer sheath. Coaxial cable can be used for the transmission of analog signals and digital signals, and is suitable for a variety of applications, among which the most Important cable television transmissions, long-distance telephone transmissions, short-distance connections between computer systems, and local area networks.

The outer insulation layer of existing coaxial cables is mostly a hard insulation layer made of PVC or TPE materials, which causes the coaxial cable to become less flexible and prone to breakage, which in turn leads to poor insulation performance of the coaxial cable. , affecting the use of coaxial cables, for which we propose a highly insulated flexible coaxial cable with temperature measurement function.

Utility model content

The purpose of this utility model is to provide a highly insulated flexible coaxial cable with a temperature measurement function to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solution: a highly insulated flexible coaxial cable with a temperature measurement function, including an inner conductor of the cable, the outside of the inner conductor of the cable is wrapped with a first shielding metal layer, and the third A second shielding metal layer is provided on the outside of a shielding metal layer, and a flexible outer sheath is wrapped on the outside of the second shielding metal layer;

Several thermocouple temperature measurement wires are provided between the second shielding metal layer and the flexible outer protective layer, and the thermocouple temperature measurement wires are connected to the thermometer through temperature measurement chip communication.

Preferably, the inner conductor of the cable is a copper conductor prepared by spirally twisting several copper wires, and the outside of each copper wire is wrapped with a silver plating layer.

Preferably, the thickness of the silver plating layer is greater than 0.8 microns.

Preferably, the first shielding metal layer is a shielding metal layer formed by winding and binding metal tapes, and the second shielding metal layer is a shielding metal mesh formed by braiding metal wires;

The first shielding metal layer and the second shielding metal layer form a double-layer shielding metal layer structure.

Preferably, the flexible outer protective layer is a flexible insulating protective layer made of flexible environmentally friendly food-grade TPU material.

Preferably, several thermocouple temperature measuring wires are spirally wound around the outside of the second shielding metal layer.

Preferably, an insulating filling layer is provided between the second shielding metal layer, the flexible outer sheath and several of the thermocouple temperature measuring wires.

Preferably, the insulating filling layer is a flexible insulating filling layer made of flexible environmentally friendly food-grade TPU material.

Compared with the existing technology, the beneficial effects of this utility model are:

1. This utility model is equipped with a flexible outer sheath and an insulating filling layer, and the flexible outer sheath and the insulating filling layer are both flexible insulating layers made of flexible and environmentally friendly food-grade TPU materials, which ensures the flexibility of the coaxial cable and at the same time Improve the insulation performance of the coaxial cable, improve the bending performance of the coaxial cable, make the cable more wear-resistant, less prone to breakage and damage, so that the cable has a longer service life, and multiple silver-plated copper wires are spirally twisted to form the inner conductor of the cable , can improve the flexibility of the inner conductor of the cable, thereby improving the flexibility of the overall coaxial cable;

2. The utility model is provided with a first shielding metal layer and a second shielding metal layer. The second shielding metal layer weaves and wraps the first shielding metal layer to improve the tensile performance of the coaxial cable, and the first shielding metal layer and The second shielding metal layer forms a double-layer shielding metal layer structure to improve the shielding performance of the coaxial cable;

3. This utility model is provided with several thermocouple temperature measurement wires between the second shielding metal layer and the flexible outer sheath. The thermocouple temperature measurement wires measure the temperature of the entire coaxial cable through the temperature measurement chip, which can effectively protect the coaxial cable. Coaxial cable, prevent the coaxial cable from being injured or damaged due to excessive temperature, thereby improving the safety of coaxial cable use.

Description of the drawings

Figure 1 is a partially cutaway three-dimensional structural schematic diagram of the utility model;

Figure 2 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 3 is a schematic side cross-sectional structural diagram of the utility model.

In the picture: 1. Cable inner conductor; 101. Copper wire; 102. Silver-plated layer; 2. First shielding metal layer; 3. Second shielding metal layer; 4. Flexible outer sheath; 5. Thermocouple temperature measuring wire ; 6. Insulating filling layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1 to 3. The highly insulated flexible coaxial cable with temperature measurement function provided by the present utility model includes an inner conductor 1. The inner conductor 1 is a copper conductor prepared by spirally twisting several copper wires 101. And the outside of each copper wire 101 is wrapped with a silver-plated layer 102, and the thickness of the silver-plated layer 102 is greater than 0.8 microns; multiple silver-plated copper wires 101 are spirally twisted to form the cable inner conductor 1, which can improve the flexibility of the cable inner conductor 1 properties, thereby improving the flexibility of the overall coaxial cable, and using a copper wire 101 with a silver-plated layer 102 to be spirally twisted to prepare the inner conductor 1 of the cable, which can ensure that the coaxial cable does not discolor during sintering;

The outer side of the inner conductor 1 of the cable is wrapped with a first shielding metal layer 2, and the outer side of the first shielding metal layer 2 is provided with a second shielding metal layer 3. The first shielding metal layer 2 is a shielding metal layer formed by wrapping and binding metal tapes. The second shielding metal layer 3 is a shielding metal mesh formed by braiding metal wires; the first shielding metal layer 2 and the second shielding metal layer 3 form a double-layer shielding metal layer structure. The utility model is provided with the first shielding metal layer 2 and The second shielding metal layer 3 braids and wraps the first shielding metal layer 2 to improve the tensile performance of the coaxial cable, and the first shielding metal layer 2 and the second shielding metal layer 3 form a double layer. Shielded metal layer structure improves the shielding performance of coaxial cables;

The outer side of the second shielding metal layer 3 is wrapped with a flexible outer sheath 4. The flexible outer sheath 4 is a flexible insulating protective layer made of flexible environmentally friendly food-grade TPU material. The second shielding metal layer 3, the flexible outer sheath 4 and several An insulating filling layer 6 is provided between the thermocouple temperature measuring wires 5. The insulating filling layer 6 is a flexible insulating filling layer made of flexible environmentally friendly food-grade TPU material; the utility model is provided with a flexible outer protective layer 4 and an insulating filling layer 6 , and the flexible outer sheath 4 and the insulating filling layer 6 are both flexible insulating layers made of flexible environmentally friendly food-grade TPU materials, which not only ensures the flexibility of the coaxial cable, but also improves the insulation performance of the coaxial cable and improves the durability of the coaxial cable. The bending performance makes the cable more wear-resistant and less prone to breakage, giving the cable a longer service life;

A number of thermocouple temperature measuring wires 5 are provided between the second shielding metal layer 3 and the flexible outer sheath 4. The several thermocouple temperature measuring wires 5 are spirally wound around the outside of the second shielding metal layer 3. The thermocouple temperature measuring wires 5. The thermometer is connected to the thermometer through communication with the temperature measurement chip; the utility model is provided with several thermocouple temperature measurement wires 5 between the second shielding metal layer 3 and the flexible outer sheath 4, and the thermocouple temperature measurement wires 5 pass through the temperature measurement chip. Measuring the temperature of the entire coaxial cable can effectively protect the coaxial cable and prevent the coaxial cable from being injured or damaged due to excessive temperature, thereby improving the safety of the coaxial cable.

To sum up, the working principle and usage process provided by this embodiment: the utility model uses multiple silver-plated copper wires 101 to be spirally twisted to form the inner conductor 1 of the cable, which can improve the flexibility of the inner conductor 1 of the cable, thereby improving the overall consistency. The coaxial cable is flexible, and the inner conductor 1 of the cable is prepared by spirally twisting the copper wire 101 with a silver-plated layer 102, which can ensure that the coaxial cable does not discolor during sintering; and is provided with a flexible outer sheath 4 and an insulating filling layer 6. Moreover, the flexible outer sheath 4 and the insulating filling layer 6 are both flexible insulating layers made of flexible environmentally friendly food-grade TPU materials, which not only ensures the flexibility of the coaxial cable, but also improves the insulation performance of the coaxial cable and improves the bending of the coaxial cable. performance, making the cable more wear-resistant, less prone to breakage and damage, giving the cable a longer service life; it is also provided with a first shielding metal layer 2 and a second shielding metal layer 3, and the second shielding metal layer 3 connects the first shielding metal layer 2 is braided and wrapped to improve the tensile performance of the coaxial cable, and the first shielding metal layer 2 and the second shielding metal layer 3 form a double-layer shielding metal layer structure to improve the shielding performance of the coaxial cable; and the utility model is Several thermocouple temperature measurement wires 5 are provided between the second shielding metal layer 3 and the flexible outer sheath 4. The thermocouple temperature measurement wires 5 measure the overall temperature of the coaxial cable through the temperature measurement chip, which can effectively protect the coaxial cable. , to prevent the coaxial cable from being injured or damaged due to excessive temperature, thereby improving the safety of the coaxial cable.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The high-insulation flexible coaxial cable with the temperature measurement function is characterized by comprising a cable inner conductor (1), wherein a first shielding metal layer (2) is wrapped on the outer side of the cable inner conductor (1), a second shielding metal layer (3) is arranged on the outer side of the first shielding metal layer (2), and a flexible outer protective layer (4) is wrapped on the outer side of the second shielding metal layer (3);

a plurality of thermocouple temperature measuring wires (5) are arranged between the second shielding metal layer (3) and the flexible outer protective layer (4), and the thermocouple temperature measuring wires (5) are connected with a thermometer through a temperature measuring chip in a communication mode.

2. The high insulation flexible coaxial cable with temperature measurement function according to claim 1, wherein: the cable inner conductor (1) is a copper conductor prepared by helically twisting a plurality of copper wires (101), and the outer side of each copper wire (101) is wrapped with a silver plating layer (102).

3. The high insulation flexible coaxial cable with temperature measurement function according to claim 2, wherein: the silver plating layer (102) has a thickness greater than 0.8 microns.

4. The high insulation flexible coaxial cable with temperature measurement function according to claim 1, wherein: the first shielding metal layer (2) is a shielding metal layer formed by winding and binding metal strips, and the second shielding metal layer (3) is a shielding metal net formed by weaving metal wires;

the first shielding metal layer (2) and the second shielding metal layer (3) form a double shielding metal layer structure.

5. The high insulation flexible coaxial cable with temperature measurement function according to claim 1, wherein: the flexible outer protective layer (4) is a flexible insulating protective layer prepared from a flexible environment-friendly food-grade TPU material.

6. The high insulation flexible coaxial cable with temperature measurement function according to claim 1, wherein: and the thermocouple temperature measuring wires (5) are spirally wound on the outer side of the second shielding metal layer (3).

7. The high insulation flexible coaxial cable with temperature measurement function according to claim 6, wherein: an insulating filling layer (6) is arranged between the second shielding metal layer (3), the flexible outer protective layer (4) and the thermocouple temperature measuring wires (5).

8. The high insulation flexible coaxial cable with temperature measurement function according to claim 7, wherein: the insulation filling layer (6) is a flexible insulation filling layer prepared from a flexible environment-friendly food-grade TPU material.