Special cable for a measurement and control system

By introducing cooling pipes and multi-layer heat insulation and shielding structures into the monitoring system cables, the problem of cable conductor temperature rise in high-temperature environments is solved, achieving stable signal transmission and improving the mechanical strength of the cables, thus extending the service life of the cables.

CN224501552UActive Publication Date: 2026-07-14YANGZHOU TIANDI WIRE & CABLE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU TIANDI WIRE & CABLE CO LTD
Filing Date
2025-03-28
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

When cables used in monitoring systems are used in high-temperature environments, the increased temperature of the conductors leads to increased resistance, signal attenuation, heat generation, and electromagnetic interference, increasing the probability of system failure.

Method used

A special cable was designed, including a cooling pipe, an insulation layer, a buffer insulation layer, a shielding layer, and an armor layer. The coolant flow reduces the conductor temperature, enhances mechanical strength, shields against electromagnetic interference, and improves bonding strength.

Benefits of technology

Maintaining signal transmission stability in high-temperature environments reduces the risk of cable damage, extends service life, and ensures the accuracy of signal transmission and the stability of system operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to cable technical field especially discloses a kind of special cables for measurement and control system, the outside wall of cooling pipe is uniformly wound with signal conductor for signal transmission, the outside wall of signal conductor is fixedly installed with insulating layer for insulation, the outside of signal conductor is installed with first buffer heat insulation layer for heat insulation, the outside wall of first buffer heat insulation layer is installed with shielding layer for preventing interference, the outside of shielding layer is installed with second buffer heat insulation layer for buffering, the outside wall of second buffer heat insulation layer is installed with armored layer for improving mechanical strength, the outside wall of armored layer is installed with wear-resistant heat insulation layer;When coolant flows in the inside of cooling pipe, the heat generated when signal conductor is used can be absorbed, the temperature of signal conductor is reduced, the resistance inside signal conductor is reduced, and the effect of improving the operation stability of monitoring system in high-temperature environment is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of cable technology, and in particular to a special cable for measurement and control systems. Background Technology

[0002] In measurement and control systems, special cables are key components for signal and energy transmission, and their manufacturing process must ensure high precision and stability. In practical applications, special cables used in measurement and control systems typically require the following structure:

[0003] 1. Signal transmission mechanism: Using high-precision wire drawing equipment, the raw metal material is drawn into fine wires that meet specific specifications, forming the main body of the cable's signal transmission mechanism;

[0004] 2. Insulation mechanism: Using advanced extrusion equipment, insulating material is uniformly extruded and wrapped around the signal transmission mechanism (conductor);

[0005] 3. Protective structure: A sheath or other protective structure is installed outside the cable core to enhance the overall mechanical protection performance of the cable and make it adaptable to complex operating environments.

[0006] Monitoring systems use cables for signal transmission. If ordinary cables are used in high-temperature environments, the high temperature of the external environment will cause the temperature of the internal wires to rise. The increased wire temperature will lead to increased resistance. As the increased resistance causes a series of problems such as signal attenuation, heat generation, and electromagnetic interference, the probability of monitoring system failure increases significantly. Utility Model Content

[0007] To address the shortcomings of existing technologies, this utility model provides a special cable for measurement and control systems. It solves the technical problem that when ordinary cables are used for signal transmission in monitoring systems, the high temperature of the external environment will cause the internal conductor temperature to rise. The increased conductor temperature will lead to increased resistance. As the increased resistance leads to a series of problems such as signal attenuation, heat generation, and electromagnetic interference, the probability of monitoring system failure will increase significantly.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A special cable for a measurement and control system includes a cooling pipe. A signal conductor for transmitting signals is uniformly wound around the outer wall of the cooling pipe. An insulating layer for insulation is fixedly installed on the outer wall of the signal conductor. A first buffer insulation layer for heat insulation is installed on the outer side of the signal conductor. A shielding layer for preventing interference is installed on the outer wall of the first buffer insulation layer. A second buffer insulation layer for buffering is installed outside the shielding layer. An armor layer for improving mechanical strength is installed on the outer wall of the second buffer insulation layer. A wear-resistant insulation layer is installed on the outer wall of the armor layer.

[0010] Preferably, both the cooling pipe and the insulation layer are made of silicone rubber.

[0011] Preferably, thermally conductive silicone grease is used to fill the space between the cooling pipe and the insulating layer.

[0012] Preferably, the first and second buffer insulation layers are made of polyethylene foam.

[0013] Preferably, the armor layer is made of stainless steel strip wound in the opposite direction to the signal wire.

[0014] Preferred material: The wear-resistant and heat-insulating layer is made of neoprene rubber.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. During installation, connect both ends of the cooling pipe to the refrigeration unit, allowing the coolant to flow inside the cooling pipe. During use, the wear-resistant heat insulation layer effectively blocks external high temperatures. The first and second buffer heat insulation layers further improve the heat insulation effect, reducing the impact of external high temperatures on the signal wires. When the coolant flows inside the cooling pipe, it absorbs the heat generated by the signal wires during use, allowing the signal wires to operate in a lower temperature environment, reducing the temperature of the signal wires, reducing the internal resistance of the signal wires, and achieving the effect of improving the operational stability of the monitoring system in high-temperature environments.

[0017] Second, the armor layer effectively improves the mechanical strength of the cable and prevents damage during transportation and installation. The wear-resistant and heat-insulating layer is wear-resistant and can prevent the cable from being damaged due to wear. The shielding layer is made of tin-plated copper wire braid, which can effectively shield external electromagnetic interference and ensure the accuracy of signal transmission. The first and second buffer heat-insulating layers can improve the bonding force between the shielding layer and other components, thereby increasing the service life of the cable. Attached Figure Description

[0018] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0019] Figure 1 This is a structural diagram of the cooling pipe of this utility model;

[0020] Figure 2 This is a cross-sectional structural diagram of the wear-resistant and heat-insulating layer of this utility model;

[0021] Figure 3 This is a cross-sectional view of the second buffer insulation layer of this utility model;

[0022] Figure 4 This is a cross-sectional structural diagram of the first buffer insulation layer of this utility model;

[0023] Figure 5 This is a structural diagram of the signal wire of this utility model.

[0024] Legend: 1. Cooling pipe; 2. Signal wire; 3. Insulation layer; 4. First buffer heat insulation layer; 5. Shielding layer; 6. Second buffer heat insulation layer; 7. Armor layer; 8. Wear-resistant heat insulation layer. Detailed Implementation

[0025] This application provides a special cable for a measurement and control system, effectively solving the technical problem that with ordinary cables used in monitoring systems for signal transmission, the high external temperature causes the internal conductors to heat up, leading to increased resistance. This increased resistance results in signal attenuation, heat generation, electromagnetic interference, and a significant increase in the probability of monitoring system malfunctions. During installation, the two ends of the cooling pipe are connected to a refrigeration mechanism, allowing coolant to flow inside the cooling pipe. During use, the wear-resistant heat insulation layer effectively blocks external high temperatures, and the first and second buffer heat insulation layers further improve the heat insulation effect, reducing the impact of external high temperatures on the signal. The coolant, flowing within the cooling pipes, absorbs the heat generated by the signal cables during operation, allowing them to operate in lower temperatures. This reduces the cable's temperature and internal resistance, improving the stability of the monitoring system in high-temperature environments. The armor layer effectively enhances the cable's mechanical strength, preventing damage during transport and installation. The abrasion-resistant insulation layer prevents damage due to wear. The shielding layer, made of tinned copper wire braid, effectively shields against external electromagnetic interference, ensuring accurate signal transmission. The first and second buffer insulation layers improve the bonding between the shielding layer and other components, extending the cable's lifespan. Example

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the technical solution in this application embodiment effectively solves the problem that when ordinary cables are used for signal transmission in monitoring systems, the high temperature of the external environment will cause the temperature of the internal wires to rise. The increased wire temperature will lead to increased resistance. As the increased resistance leads to a series of problems such as signal attenuation, heat generation, and electromagnetic interference, the probability of monitoring system failure increases significantly. The overall idea is as follows:

[0027] To address the problems existing in the prior art, this utility model provides a special cable for a measurement and control system, including a cooling pipe 1, a signal wire 2 for transmitting signals evenly wound on the outer wall of the cooling pipe 1, an insulation layer 3 for insulation fixedly installed on the outer wall of the signal wire 2, a first buffer insulation layer 4 for heat insulation installed on the outer side of the signal wire 2, and a shielding layer 5 for preventing interference installed on the outer wall of the first buffer insulation layer 4.

[0028] The shielding layer 5 is equipped with a second buffer heat insulation layer 6 for buffering. The outer wall of the second buffer heat insulation layer 6 is equipped with an armor layer 7 for improving mechanical strength. The outer wall of the armor layer 7 is equipped with a wear-resistant heat insulation layer 8. The cooling pipe 1 and the insulation layer 3 are both made of silicone rubber.

[0029] Thermally conductive silicone grease is filled between the cooling pipe 1 and the insulation layer 3. The first buffer insulation layer 4 and the second buffer insulation layer 6 are made of polyethylene foam. The armor layer 7 is made of stainless steel strip wound in the opposite direction to the signal wire 2. The wear-resistant insulation layer 8 is made of neoprene rubber.

[0030] Cooling pipe 1: Made of silicone rubber, it has the advantages of good insulation, sealing and thermal conductivity. It provides a flow channel for coolant, and the flow of coolant carries away the heat generated by signal wire 2, which indirectly cools signal wire 2, thereby reducing the temperature of signal wire 2, reducing its internal resistance, and improving the operational stability of the monitoring system in high temperature environment.

[0031] Signal wire 2: Used for signal transmission, it is a key part of signal transmission. Its operating temperature affects its internal resistance, which in turn affects the stability of signal transmission. Through the cooperation of coolant in cooling pipe 1 and other heat insulation components, it is ensured that it works at a suitable temperature.

[0032] Insulation layer 3: Made of silicone rubber, it provides insulation for signal wire 2, ensuring electrical isolation during signal transmission, preventing signal leakage and short circuits, and ensuring the accuracy and safety of signal transmission. It can both guarantee insulation and facilitate heat transfer.

[0033] First buffer insulation layer 4: Made of polyethylene foam, it works together with the second buffer insulation layer 6 to improve the insulation effect, reduce the impact of external high temperature on signal wire 2, assist the wear-resistant insulation layer 8 in blocking heat, and enhance the bonding force between the shielding layer 5 and other components, which helps to improve the overall performance and service life of the cable.

[0034] Shielding layer 5: Made of tin-plated copper wire, it can effectively shield external electromagnetic interference, ensure the accuracy of signal transmission by signal wire 2, avoid the influence of external electromagnetic interference on the signal, and improve the reliability of the cable in complex electromagnetic environment.

[0035] The second buffer insulation layer 6 is made of polyethylene foam. It works in conjunction with the first buffer insulation layer 4 to improve the insulation effect, further reduce the impact of external high temperature on the signal wire 2, and enhance the bonding force between the shielding layer 5 and other components, which has a positive effect on improving the service life of the cable.

[0036] Armor layer 7: It is made of stainless steel strip wound in the opposite direction to signal wire 2, which can effectively improve the mechanical strength of the cable, prevent the cable from being damaged by external forces during transportation and installation, ensure the integrity of the cable's physical structure, and extend the cable's service life.

[0037] Wear-resistant and heat-insulating layer 8: Made of neoprene rubber, it can block external high temperatures and is wear-resistant, which can prevent the cable from being damaged by wear. It not only creates a relatively stable temperature environment for internal components, but also improves the durability of the cable from a physical protection perspective and extends the service life of the cable.

[0038] Working principle:

[0039] The first step is to connect both ends of the cooling pipe 1 to the refrigeration mechanism during installation, allowing the coolant to flow inside the cooling pipe 1. During use, the wear-resistant heat insulation layer 8 effectively blocks external high temperatures. The first buffer heat insulation layer 4 and the second buffer heat insulation layer 6 further improve the heat insulation effect, reducing the impact of external high temperatures on the signal wire 2. When the coolant flows inside the cooling pipe 1, it can absorb the heat generated by the signal wire 2 during use, allowing the signal wire 2 to operate in a lower temperature environment, reducing the temperature of the signal wire 2, reducing the internal resistance of the signal wire 2, and achieving the effect of improving the operational stability of the monitoring system in high-temperature environments.

[0040] The second step involves the armor layer 7, which effectively improves the mechanical strength of the cable and prevents damage during transportation and installation. The wear-resistant and heat-insulating layer 8 is wear-resistant and can prevent the cable from being damaged due to wear. The shielding layer 5 is made of tin-plated copper wire braid, which can effectively shield external electromagnetic interference and ensure the accuracy of signal transmission. The first buffer heat-insulating layer 4 and the second buffer heat-insulating layer 6 can improve the bonding force between the shielding layer 5 and other components, thereby increasing the service life of the cable.

[0041] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A special cable for a measurement and control system, comprising a cooling pipe (1), characterized in that, The outer wall of the cooling pipe (1) is evenly wound with a signal wire (2) for transmitting signals. An insulating layer (3) for insulation is fixedly installed on the outer wall of the signal wire (2). A first buffer heat insulation layer (4) for heat insulation is installed on the outer side of the signal wire (2). A shielding layer (5) for preventing interference is installed on the outer wall of the first buffer heat insulation layer (4). A second buffer heat insulation layer (6) for buffering is installed on the outside of the shielding layer (5). An armor layer (7) for improving mechanical strength is installed on the outer wall of the second buffer heat insulation layer (6). A wear-resistant heat insulation layer (8) is installed on the outer wall of the armor layer (7).

2. The special cable for a measurement and control system as described in claim 1, characterized in that, Both the cooling pipe (1) and the insulation layer (3) are made of silicone rubber.

3. The special cable for a measurement and control system as described in claim 1, characterized in that, Thermally conductive silicone grease is filled between the cooling pipe (1) and the insulating layer (3).

4. The special cable for a measurement and control system as described in claim 1, characterized in that, The first buffer insulation layer (4) and the second buffer insulation layer (6) are made of polyethylene foam.

5. A special cable for a measurement and control system as described in claim 1, characterized in that, The armor layer (7) is made of stainless steel strips wound around it.

6. The special cable for a measurement and control system as described in claim 1, characterized in that, The wear-resistant and heat-insulating layer (8) is made of neoprene rubber.