Flexible hybrid cable for special chariot

Abstract

The utility model relates to a cable, and aims to provide a flexible hybrid cable for a special chariot, which has the characteristics of convenience in wiring and reasonable weight. According to the technical scheme, the flexible hybrid cable for the special chariot is characterized by comprising a unit cable core, an outer wrapping layer, a first total shielding layer, a first inner sheath layer, a second total shielding layer and an outer sheath layer which are sequentially arranged from inside to outside, wherein the outer wrapping layer, the first total shielding layer, the first inner sheath layer, the second total shielding layer and the outer sheath layer wrap the unit cable core from inside to outside; each unit cable core comprises signal lines, a high-temperature-resistant radio frequency cable, two pairs of power lines and a plurality of first filling lines, wherein the signal lines are wrapped by an outer wrapping layer, extend in the length direction of the cable and are arranged in parallel, and the first filling lines are used for filling gaps.

Description

Technical Field

[0001] The utility model relates to a cable, in particular to a flexible hybrid cable for special combat vehicles. Background Art

[0002] Special combat vehicles are one of the core equipment of the army, with the characteristics of fast penetration, rapid locking of the enemy, and fierce firepower. Compared with ordinary combat vehicles, special combat vehicles are lighter, smaller, faster and more flexible.

[0003] The weight of a tank affects its speed and acceleration, so it is particularly important to reduce the weight of the tank's supporting facilities. The tank's mechanical devices account for more than half of the total space and total weight of the tank, especially the control system cables inside the tank, which need to be multifunctional and reduce the precious space and weight inside to improve the overall performance of the operation. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the above-mentioned background technology and to provide a flexible hybrid cable for special combat vehicles, which cable should have the characteristics of convenient wiring and reasonable weight.

[0005] The technical solution provided by the utility model is:

[0006] A flexible hybrid cable for special combat vehicles, characterized in that: the cable includes a unit cable core arranged in sequence from the inside to the outside, and an outer sheath layer, a first overall shielding layer, a first inner sheath layer, a second overall shielding layer, and an outer sheath layer covering the unit cable core from the inside to the outside; the unit cable core includes a signal line covered by the outer sheath and extending along the length direction of the cable and arranged parallel to each other, a high-temperature resistant radio frequency cable, two pairs of power lines, and a plurality of first filling lines for filling gaps.

[0007] The signal line comprises a first inner wrapping layer, a second inner shielding layer and a second inner wrapping layer covering a pair of signal twisted wires and a second filling wire from the inside to the outside; the signal twisted wires are two second inner conductors respectively covered by a second inner insulating layer;

[0008] The first inner winding layer is a polyimide / aluminum-plastic composite tape winding layer, the second inner shielding layer is a silver-plated copper wire braided layer, and the second inner winding layers are all high-temperature resistant polyimide tape winding layers; the second inner insulation layer is made of polyperfluoroethylene propylene material, and the second inner conductor is made of multiple strands of high-strength silver-plated copper wire;

[0009] The high temperature resistant radio frequency cable comprises a first inner conductor and a first inner insulating layer, a first inner shielding layer and a second inner sheath layer covering the first inner conductor from the inside to the outside;

[0010] The first inner conductor is made of multiple strands of high-strength silver-plated copper wires, the first inner insulating layer is made of polytetrafluoroethylene material, the first inner shielding layer is a silver-plated copper wire braided layer, and the first inner sheath layer is made of polytetrafluoroethylene material;

[0011] The power line comprises two pairs of power group twisted wires covered by a third inner wrapping layer, and each pair of power group twisted wires comprises a third inner conductor covered by a third inner insulating layer;

[0012] The third inner wrapping layer is a high temperature resistant polyimide tape wrapping layer, the third inner insulating layer is made of polytetrafluoroethylene propylene material, and the third inner conductor is made of multiple strands of high-strength silver-plated copper wires.

[0013] The outer winding layer is a high-temperature resistant polyimide tape winding layer; the overall shielding layer is a silver-plated aramid wire braided layer, the first inner sheath layer is made of high-temperature resistant polyester elastomer material, the second overall shielding layer is a tinned copper wire braided layer, and the outer sheath layer is made of high-temperature resistant polyester elastomer material.

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides a flexible hybrid cable for special combat vehicles, which can be easily laid in the combat vehicle, has the characteristics of high softness, high tensile strength, high wear resistance and tear resistance, and can be bent within a 5D radius, so that it can bend and stretch in a limited space, which greatly facilitates construction and wiring.

[0016] The flexible hybrid cable takes up little space, is light and easy to lay. It adopts a double-layer overall shielding layer and a double-layer sheath layer superimposed on each other, which not only ensures the cable's anti-electromagnetic interference performance and tensile resistance, but also ensures the power supply and the transmission of sending and receiving signals; the units are isolated by a high-temperature resistant medium to avoid mutual interference; it also improves the cable's environmental resistance and mechanical properties, ensuring safe use in the tank and reasonable weight reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the cross-sectional structure of an embodiment of the utility model.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the signal line in the embodiment of the utility model.

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of a high temperature resistant radio frequency cable in an embodiment of the utility model.

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the control line in the embodiment of the utility model.

[0021] Numbers in the figure: signal line 1, RF cable 2, power line 3, first overall shielding layer 4, outer sheath layer 5, second overall shielding layer 6, outer sheath layer 7, outer winding layer 9, first filling line 10, second filling line 11, second inner conductor 12, second inner insulating layer 13, first inner winding layer 14, second inner shielding layer 16, second inner winding layer 15, first inner conductor 17, first inner insulating layer 18, first inner shielding layer 19, second inner sheath layer 20, third inner conductor 21, third inner insulating layer 22, third inner winding layer 23. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the embodiments shown in the accompanying drawings.

[0023] Figure 1 The flexible hybrid cable for special combat vehicles shown is soft, easy to bend, highly tensile, and resistant to high temperatures. The bending radius can be within 5D, which is very convenient for wiring and storage.

[0024] Figure 1 As shown, the cable includes a unit cable core, a first overall shielding layer 4, a first inner sheath layer 5, a second overall shielding layer 6, and an outer sheath layer 7. The unit cable core, the overall shielding layer, and the outer sheath layer are arranged in sequence from the inside to the outside; the unit cable core includes a signal line 1, a high temperature resistant radio frequency cable 2, and a power line 3 covered by an outer wrapping layer 9.

[0025] The signal line is used to provide specific bus signal transmission; Figure 2 As shown, the signal line includes a pair of signal twisted wires and a first inner wrapping layer 14 and a second inner shielding layer 16 that wrap the signal twisted wires and two second filling wires 11 from the inside to the outside, and is also wrapped with a second inner wrapping layer 15 formed by wrapping a high-temperature resistant isolation layer tape.

[0026] The high temperature resistant radio frequency cable is used to receive a stable receiving control signal. Figure 3 As shown, the first inner conductor 17 of the high temperature resistant radio frequency cable is formed by twisting multiple strands of high-strength silver-plated copper wires, the first inner insulating layer covering the first inner conductor is made of polytetrafluoroethylene, and the first inner insulating layer is covered from the inside to the outside by a first inner shielding layer 19 and a second inner sheath layer 20.

[0027] The power cord provides stable power transmission for the cabinet and can carry excessive current. Figure 4 As shown, the number of the power lines is two pairs, a total of four, and the third inner wrapping layer 23 wrapping the outer surface of each pair of power group twisted wires is wrapped with a high-temperature resistant polyimide tape.

[0028] The first inner insulating layer 18 of the high temperature resistant radio frequency cable is made of high temperature resistant polytetrafluoroethylene, the first inner shielding layer 19 is woven with silver-plated copper wire, and the second inner sheath layer 20 is made of polytetrafluoroethylene propylene material, which ensures the insulation electrical performance, mechanical performance, high temperature resistance and corrosion resistance.

[0029] The first overall shielding layer 4 is a silver-plated aramid wire braided layer, and the second overall shielding layer 6 located on the outer layer is a tinned copper wire braided layer; the structure is stable and reliable, can effectively resist the interference of external electromagnetic fields, has high tensile strength, and has a soft structure, ensuring stable signal transmission within the unit.

[0030] The outer sheath layer 5 and the outer sheath layer 7 are both made of high temperature resistant polyester elastomer material, which is very suitable for national defense, military industry, and aerospace fields; the material has the functions of high and low temperature resistance, high flame retardancy, low hardness, high strength, hydrolysis resistance, wear resistance, tear resistance, and excellent three-proof performance. The material has low hardness, the product is very soft as a whole, and the cable as a whole can achieve a small bending radius, which is convenient for laying in narrow spaces. Ensure the long service life of the cable.

[0031] The preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

Claims

1. A flexible hybrid cable for special combat vehicles, characterized in that: The cable comprises a unit cable core and an outer wrapping layer (9), a first overall shielding layer (4), a first inner sheath layer (5), a second overall shielding layer (6), and an outer sheath layer (7) which sequentially wrap the unit cable core from the inside out; the unit cable core comprises a signal line (1) which is wrapped by the outer wrapping layer and extends along the length direction of the cable and is arranged parallel to each other, a high temperature resistant radio frequency cable (2), two pairs of power lines (3), and a plurality of first filling lines (10) for filling gaps; The signal line comprises a first inner wrapping layer (14) wrapping a pair of signal twisted wires and two second filling wires (11) from the inside out, a second inner shielding layer (16) and a second inner wrapping layer (15); the signal twisted wires are two second inner conductors (12) respectively wrapped by a second inner insulating layer (13); The first inner winding layer is a polyimide / aluminum-plastic composite tape winding layer, the second inner shielding layer is a silver-plated copper wire braided layer, and the second inner winding layers are all high-temperature resistant polyimide tape winding layers; the second inner insulation layer is made of polyperfluoroethylene propylene material, and the second inner conductor is made of multiple strands of high-strength silver-plated copper wire; The high temperature resistant radio frequency cable comprises a first inner conductor (17) and a first inner insulating layer (18), a first inner shielding layer (19) and a second inner sheath layer (20) which sequentially cover the first inner conductor from the inside to the outside.

2. The flexible hybrid cable for special combat vehicles according to claim 1, characterized in that: The first inner conductor is made of multiple strands of high-strength silver-plated copper wires, the first inner insulating layer is made of polytetrafluoroethylene material, the first inner shielding layer is a silver-plated copper wire braided layer, and the second inner sheath layer is made of polytetrafluoroethylene material.

3. The flexible hybrid cable for special combat vehicles according to claim 2, characterized in that: The power line comprises two pairs of power group twisted wires covered by a third inner wrapping layer (23), and each pair of power group twisted wires comprises a third inner conductor (21) covered by a third inner insulating layer (22).

4. The flexible hybrid cable for special combat vehicles according to claim 3, characterized in that: The third inner wrapping layer is a high temperature resistant polyimide tape wrapping layer, the third inner insulating layer is made of polytetrafluoroethylene propylene material, and the third inner conductor is made of multiple strands of high-strength silver-plated copper wires.

5. The flexible hybrid cable for special combat vehicles according to claim 4, characterized in that: The outer sheath is a high temperature resistant polyimide tape sheath; the first overall shielding layer (4) is a silver-plated aramid wire braided layer, the first inner sheath layer (5) is made of a high temperature resistant polyester elastomer material, the second overall shielding layer (6) is a tinned copper wire braided layer, and the outer sheath layer (7) is made of a high temperature resistant polyester elastomer material.

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