Multilayer radiation-resistant heat-resistant signal cable

Abstract

The utility model relates to the technical field of signal cables, in particular to a multi-layer radiation-resistant heat-resistant signal cable, which comprises a cable body, the cable body comprises a conductor layer arranged inside the cable body, and a first insulating layer is arranged outside the conductor layer. A signal main cable, a signal receiving cable and a positioning cable are arranged in the conductor layer, an anti-radiation shielding layer is arranged outside the first insulating layer, the anti-radiation shielding layer is further provided with a second insulating layer, a flame-retardant sheath layer is arranged outside the second insulating layer in a matched mode, and the flame-retardant sheath layer is provided with a flame-retardant layer. The multi-layer radiation-resistant heat-resistant signal cable is excellent in radiation resistance, heat resistance, insulation, flame retardance, mechanical strength, durability and the like, and can meet the use requirements in various complex environments.

Description

Technical Field

[0001] This utility model relates to the field of signal cable technology, and in particular to a multilayer radiation-resistant and heat-resistant signal cable. Background Technology

[0002] With the rapid development of modern communication technology, signal cables are increasingly widely used in various electronic devices. Especially in high-tech fields such as military, aerospace, and industrial control, higher demands are placed on the radiation resistance, heat resistance, and signal transmission stability of cables. Traditional cables often suffer from signal attenuation and insulation aging when exposed to strong electromagnetic radiation and high-temperature environments, severely impacting system reliability and stability. Therefore, developing a signal cable with excellent radiation resistance and heat resistance is of paramount importance. Utility Model Content

[0003] To address some of the problems existing in the prior art, this utility model provides a multilayer radiation-resistant and heat-resistant signal cable to overcome the shortcomings of the prior art.

[0004] To achieve the above objectives, this utility model provides a multi-layer radiation-resistant and heat-resistant signal cable, comprising a cable body, wherein the cable body includes a conductor layer disposed inside the cable body, a first insulation layer disposed outside the conductor layer, a main signal cable, a signal receiving cable and a positioning cable disposed inside the conductor layer, a radiation-resistant shielding layer disposed outside the first insulation layer, a second insulation layer disposed outside the radiation-resistant shielding layer, and a flame-retardant sheath layer disposed outside the second insulation layer.

[0005] As a further improvement of this utility model, in order to enhance the conductivity of the cable, reduce signal attenuation, and improve the corrosion resistance and service life of the cable, the main signal cable is located in the center inside the conductor layer. The main signal cable includes a main copper core located inside the main signal cable. The main copper core is composed of twisted copper wires, and the surface of the main copper core can be plated with an anti-oxidation layer.

[0006] As a further improvement of this utility model, in order to help reduce mutual interference between signals and improve the accuracy and clarity of signal reception, the signal receiving cable is arranged around the main signal cable, and the signal receiving cable is provided with signal receiving lines inside. The signal receiving lines are arranged sequentially in the center of the signal receiving cable, and the signal receiving lines are made of twisted copper wires.

[0007] As a further improvement of this utility model, in order to further enhance the radiation resistance of the cable, protect the stability and reliability of the signal receiving line, and ensure the accurate transmission of signals in complex electromagnetic environments, an internal insulation layer is provided on the outside of the signal receiving line, and an anti-radiation protective layer is coated on the outside of the internal insulation layer.

[0008] As a further improvement of this utility model, in order to improve the heat resistance and electrical performance of the cable and reduce the interference of external electromagnetic radiation on the internal signals of the cable, the first insulation layer is tightly wrapped around the conductor layer and is made of a high-temperature resistant and low dielectric loss polymer material. The radiation shielding layer is set outside the first insulation layer and is composed of a metal braided mesh, metal foil or metallized film.

[0009] As a further improvement of this utility model, in order to improve the flame retardant performance of the cable and enhance its stability and safety during use, the surface of the flame retardant sheath layer is provided with anti-slip texture.

[0010] As a further improvement of this utility model, in order to absorb external impacts and vibrations, protect the internal structure of the cable from damage, and improve the mechanical strength and durability of the cable, a buffer layer is also provided between the anti-radiation shielding layer and the first insulation layer. This buffer layer is made of elastic material.

[0011] As a further improvement of this utility model, in order to ensure that the cable can maintain stable electrical performance in high-temperature environments, the second insulation layer covers the radiation shielding layer and is made of ceramicized silicone rubber high-temperature resistant insulation material. The flame-retardant sheath layer is set on the outermost layer and is made of flame-retardant, wear-resistant, and anti-aging halogen flame-retardant polyolefin polymer composite material.

[0012] In operation, the main signal cable serves as the core transmission channel. Its internal main copper core is made of stranded copper wire, ensuring good conductivity and mechanical strength. The surface of the main copper core may be plated with an anti-oxidation layer, which helps prevent performance degradation due to oxidation during long-term use. The main signal cable is responsible for transmitting the main signal data, and its placement in the center of the conductor layer contributes to stable signal transmission.

[0013] Surrounding the main signal cable, the signal receiving cables are carefully arranged. These receiving cables contain internal signal receiving lines, which are made of twisted copper wire and arranged sequentially at the center of the main cable. This design makes signal reception more sensitive and stable. Furthermore, the signal receiving lines are surrounded by an internal insulation layer to prevent interference between signals, and this internal insulation layer is coated with a radiation-resistant protective layer, further enhancing the cable's radiation resistance.

[0014] Outside the conductor layer, the first insulation layer tightly wraps around it. It is made of a high-temperature resistant, low-dielectric-loss polymer material, which provides good insulation protection for the inner conductor layer and can withstand high-temperature environments, ensuring the stable operation of the cable under harsh conditions.

[0015] The radiation shielding layer is disposed outside the first insulation layer. It is composed of a metal braided mesh, metal foil, or metallized film, and can effectively shield the influence of external radiation on the internal signals of the cable, ensuring signal purity and transmission quality. In some embodiments, a buffer layer is also disposed between the radiation shielding layer and the first insulation layer. This buffer layer is made of elastic material and can absorb and disperse external impacts, improving the mechanical strength of the cable.

[0016] The second insulation layer covers the radiation shielding layer and is made of ceramicized silicone rubber high-temperature resistant insulating material. This material not only has good insulation properties but can also withstand extremely high temperatures, further improving the cable's heat resistance.

[0017] The outermost layer is a flame-retardant sheath, made of flame-retardant, wear-resistant, and anti-aging halogenated flame-retardant polyolefin polymer composite material, providing comprehensive protection for the cable. The flame-retardant sheath prevents the cable from burning or spreading fire in extreme conditions such as fires, while its anti-slip texture also increases the cable's stability and safety during use.

[0018] The beneficial effects of this utility model are as follows:

[0019] Excellent anti-radiation performance: By setting an anti-radiation shielding layer, the cable of this invention can effectively shield against external electromagnetic radiation interference, ensuring the purity and stability of the signal during transmission, and significantly improving the reliability and accuracy of signal transmission.

[0020] Excellent heat resistance: Both the first and second insulation layers of the cable are made of high-temperature resistant materials. In particular, the second insulation layer uses ceramicized silicone rubber high-temperature resistant insulation material, which can withstand extremely high temperatures without failure. This allows the cable to maintain stable electrical and mechanical properties even in high-temperature environments.

[0021] Excellent insulation performance: The first insulation layer tightly wraps around the conductor layer, effectively isolating the conductor from the external environment and preventing safety issues such as current leakage and short circuits. Simultaneously, the internal insulation layer outside the signal receiving line also prevents mutual interference between signals, ensuring the clarity and accuracy of signal transmission.

[0022] Flame-retardant safety: The flame-retardant sheath significantly improves cable safety. In extreme situations such as fires, the flame-retardant sheath can prevent the spread of fire and protect the internal conductors and insulation from damage, thereby reducing the harm of fire to equipment and personnel. Attached Figure Description

[0023] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings:

[0024] Figure 1 This is a structural diagram of the present invention.

[0025] The structure consists of: 1 conductor layer, 2 first insulation layer, 3 main signal cable, 4 signal receiving cable, 5 positioning cable, 6 anti-radiation shielding layer, 7 second insulation layer, 8 flame-retardant sheath layer, 9 main copper core, 10 anti-oxidation layer, 11 signal receiving line, 12 internal insulation layer, 13 anti-radiation protection layer, and 14 buffer layer. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solutions in this application, the following description is provided in conjunction with the appendix. Figure 1 The present invention will be further described below. The following embodiments are only used to illustrate the technical solution of the present invention more clearly, and should not be used to limit the protection scope of the present invention.

[0027] like Figure 1 The diagram shows a multi-layer radiation-resistant and heat-resistant signal cable, comprising a cable body, the cable body including a conductor layer 1 disposed inside the cable body, a first insulation layer 2 disposed outside the conductor layer 1, a main signal cable 3, a signal receiving cable 4 and a positioning cable 5 disposed inside the conductor layer 1, a radiation-resistant shielding layer 6 disposed outside the first insulation layer 2, a second insulation layer 7 disposed outside the radiation-resistant shielding layer 6, and a flame-retardant sheath layer 8 disposed outside the second insulation layer 7.

[0028] The main signal cable 3 is located in the center inside the conductor layer 1. The main signal cable 3 includes a main copper core 9 located inside the main signal cable 3. The main copper core 9 is made of twisted copper wires. The surface of the main copper core 9 may be plated with an anti-oxidation layer 10.

[0029] The signal receiving cable 4 is arranged around the main signal cable 3. The signal receiving cable 4 has a signal receiving line 11 inside. The signal receiving line 11 is arranged sequentially in the center of the signal receiving cable 4. The signal receiving line 11 is made of twisted copper wire.

[0030] The signal receiving line 11 is provided with an internal insulation layer 12, and the internal insulation layer 12 is coated with a radiation protection layer 13.

[0031] The first insulating layer 2 is tightly wrapped around the conductor layer 1 and is made of a high-temperature resistant and low-dielectric-loss polymer material. The radiation shielding layer 6 is disposed outside the first insulating layer 2 and is composed of a metal woven mesh, metal foil or metallized film.

[0032] The flame-retardant sheath layer 8 has an anti-slip texture on its surface.

[0033] A buffer layer 14, made of elastic material, is also provided between the radiation shielding layer 6 and the first insulating layer 2.

[0034] The second insulating layer 7 covers the radiation shielding layer 6 and is made of ceramicized silicone rubber high-temperature resistant insulating material. The flame-retardant sheath layer 8 is set on the outermost layer and is made of flame-retardant, wear-resistant, and anti-aging halogen flame-retardant polyolefin polymer composite material.

[0035] In operation, the main signal cable 3 serves as the core transmission channel. Its internal main copper core 9 is made of stranded copper wire, ensuring good conductivity and mechanical strength. The surface of the main copper core 9 may be plated with an anti-oxidation layer 10, which helps prevent performance degradation due to oxidation during prolonged use. The main signal cable 3 is responsible for transmitting the main signal data, and its placement at the center of the conductor layer 1 facilitates stable signal transmission.

[0036] Signal receiving cables 4 are carefully arranged around the main signal cable 3. These receiving cables contain signal receiving lines 11, which are made of twisted copper wire and arranged sequentially at the center of the signal receiving cable 4. This design makes signal reception more sensitive and stable. Furthermore, the signal receiving lines 11 are surrounded by an internal insulation layer 12 to prevent mutual interference between signals, and the internal insulation layer 12 is coated with a radiation protection layer 13, further enhancing the cable's radiation resistance.

[0037] Outside the conductor layer 1, the first insulation layer 2 tightly wraps around it. It is made of a high-temperature resistant and low-dielectric-loss polymer material, which provides good insulation protection for the inner conductor layer 1 and can withstand high-temperature environments, ensuring the stable operation of the cable under harsh conditions.

[0038] The radiation shielding layer 6 is disposed outside the first insulation layer 2. It is composed of a metal braided mesh, metal foil, or metallized film, and can effectively shield the influence of external radiation on the internal signal of the cable, ensuring the purity and transmission quality of the signal. In some embodiments, a buffer layer 14 is also disposed between the radiation shielding layer 6 and the first insulation layer 2. The buffer layer 14 is made of elastic material and can absorb and disperse external impacts, improving the mechanical strength of the cable.

[0039] The second insulation layer 7 covers the radiation shielding layer 6. It is made of ceramicized silicone rubber high-temperature resistant insulating material. This material not only has good insulation performance, but can also withstand extremely high temperatures, further improving the heat resistance of the cable.

[0040] The outermost layer is the flame-retardant sheath layer 8, which is made of flame-retardant, wear-resistant, and anti-aging halogenated flame-retardant polyolefin polymer composite material, providing comprehensive protection for the cable. The flame-retardant sheath layer 8 can prevent the cable from burning or spreading fire in extreme situations such as fires, while its anti-slip texture also increases the stability and safety of the cable during use.

[0041] This utility model is not limited to the above embodiments. Based on the technical solutions disclosed in this utility model, those skilled in the art can make some substitutions and modifications to some of the technical features without creative labor, and these substitutions and modifications are all within the protection scope of this utility model.

Claims

1. A multilayer radiation-resistant and heat-resistant signal cable, comprising a cable body, characterized in that, The cable body includes a conductor layer (1) disposed inside the cable body, a first insulation layer (2) disposed outside the conductor layer (1), a signal main cable (3), a signal receiving cable (4) and a positioning cable (5) disposed inside the conductor layer (1), an anti-radiation shielding layer (6) disposed outside the first insulation layer (2), a second insulation layer (7) disposed outside the anti-radiation shielding layer (6), and a flame-retardant sheath layer (8) disposed outside the second insulation layer (7).

2. The multilayer radiation-resistant and heat-resistant signal cable according to claim 1, characterized in that, The main signal cable (3) is located in the center of the conductor layer (1). The main signal cable (3) includes a main copper core (9) located inside the main signal cable (3). The main copper core (9) is made of twisted copper wires. The surface of the main copper core (9) may be plated with an anti-oxidation layer (10).

3. The multilayer radiation-resistant and heat-resistant signal cable according to claim 1, characterized in that, The signal receiving cable (4) is arranged around the main signal cable (3). The signal receiving cable (4) has a signal receiving line (11) inside. The signal receiving line (11) is arranged in sequence in the center of the signal receiving cable (4). The signal receiving line (11) is made of twisted copper wire.

4. The multilayer radiation-resistant and heat-resistant signal cable according to claim 3, characterized in that, The signal receiving line (11) is provided with an internal insulation layer (12) on the outside, and the internal insulation layer (12) is coated with a radiation protection layer (13).

5. A multilayer radiation-resistant and heat-resistant signal cable according to claim 1, characterized in that, The first insulating layer (2) is tightly wrapped around the conductor layer (1), and the radiation shielding layer (6) is disposed outside the first insulating layer (2) and is composed of metal braided mesh, metal foil or metallized film.

6. A multilayer radiation-resistant and heat-resistant signal cable according to claim 1, characterized in that, The flame-retardant sheath layer (8) has an anti-slip texture on its surface.

7. A multilayer radiation-resistant and heat-resistant signal cable according to claim 1, characterized in that, A buffer layer (14) is also provided between the radiation shielding layer (6) and the first insulating layer (2), and the buffer layer (14) is made of elastic material.

8. A multilayer radiation-resistant and heat-resistant signal cable according to claim 1, characterized in that, The second insulation layer (7) covers the radiation shielding layer (6) and is made of ceramicized silicone rubber high-temperature resistant insulating material. The flame-retardant sheath layer (8) is set on the outermost layer.

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