Low-temperature-resistant drop-resistant control cable
By introducing thermal conductive layer, heating layer, buffer layer and reinforcing layer into the control cable, the problems of insulation embrittlement and insufficient drop resistance at low temperatures are solved, and stable signal transmission and low temperature drop resistance of the equipment are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-24
AI Technical Summary
Existing control cables become hard and brittle in low-temperature environments due to the hardening of their insulation and sheathing materials, resulting in reduced flexibility and insufficient drop resistance, which affects signal transmission stability and equipment safety.
The design employs a conductor structure, including a first thermally conductive layer, a heating layer, a heat insulation layer, an insulating layer, a reinforcing layer, a shielding layer, a buffer layer, and a PVC sheath. Heat is provided by the heat tracing cable to maintain the normal temperature of the conductive wires. The structural strength is enhanced by aramid fiber layers and reinforcing ribs, the buffer layer absorbs external forces, and the PVC sheath protects the internal structure.
Maintain signal transmission stability in low-temperature environments, enhance cable drop resistance, prevent physical damage, and ensure normal equipment operation.
Smart Images
Figure CN224036112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable field especially relates to a low temperature resistant anti -drop control cable. BACKGROUND
[0002] In some cold regions, such as polar, high mountain environment, and part of the low temperature environment has special requirements of industrial field, such as cold chain logistics equipment, low temperature experimental equipment, the existing ordinary control cable has many problems under low temperature environment. The insulating layer and sheath material of ordinary cable are easy to harden, brittle under low temperature, lead to the flexibility of cable greatly reduces, when being subjected to external force pulling, collision, it is easy to break, damage, thereby influence signal transmission stability, even lead to equipment failure.
[0003] In addition, on some often need to move or install in the equipment of being vulnerable to vibration, impact position, the anti -drop performance of ordinary cable is insufficient, can not satisfy actual use demand, therefore need to be directed at the above -mentioned problem and propose a low temperature resistant anti -drop control cable. UTILITY MODEL CONTENT
[0004] (I) the technical problem solved
[0005] In view of the deficiencies of prior art, the utility model provides a low temperature resistant anti -drop control cable, solves the problem that the insulating layer and sheath material of ordinary cable are easy to harden, brittle under low temperature and insufficient anti -drop performance.
[0006] (II) technical scheme
[0007] To realize the above -mentioned purpose, the utility model provides the following technical scheme: a low temperature resistant anti -drop control cable, including conductor, the conductor includes first heat conducting layer and wire skin, each wire skin is provided with a plurality of conductive wire, and a plurality of conductive wire is twisted, the outside of the conductor is installed with heating layer, the heating layer includes second heat conducting layer and a plurality of heat tracing cable, and a plurality of heat tracing cable is spirally wound in second heat conducting layer, the outside of the heating layer is installed with heat insulation layer, the outside of the heat insulation layer is installed with insulating layer, the outside of the insulating layer is installed with reinforcing layer, the reinforcing layer includes aramid fiber layer and a plurality of reinforcing ribs, and a plurality of reinforcing ribs is spirally wound in aramid fiber layer, the outside of the reinforcing layer is provided with shielding layer, the outside of the shielding layer is sequentially provided with buffer inner layer and buffer outer layer, the outside of the buffer outer layer is installed with PVC sheath.
[0008] Preferably, the first heat conducting layer and second heat conducting layer adopt high-purity copper alloy material.
[0009] Preferably, the material of the buffer inner layer is polyurethane foam.
[0010] Preferably, the material of the buffer outer layer is silicone rubber.
[0011] Preferably, the shielding layer is a metal wire braided mesh, and the shielding layer is wrapped on the outside of the reinforcing layer.
[0012] Preferably, the thermal insulation layer is made of aerogel felt material.
[0013] Three beneficial effects
[0014] Compared with the prior art, the utility model provides a kind of, with following beneficial effects:
[0015] 1, the utility model discloses a heating cable, first heat conducting layer, second heat conducting layer, heat insulation layer and other devices are arranged, realize that heating cable can generate heat when working and heat is transferred to the conductive wire by first heat conducting layer and second heat conducting layer, make the conductive wire maintain in normal working interval, and the loss of heat can be reduced by heat insulation layer, so as to ensure that device can be normally used in low temperature environment.
[0016] 2, the utility model discloses by setting reinforcing layer, buffer inner layer, buffer outer layer, PVC sheath and other devices, realize that reinforcing layer maintains the overall strength of cable, and the inside of cable can be protected by PVC sheath from external physical damage, and by buffer inner layer and buffer outer side, external force can be buffered and absorbed, to further reduce the damage of external force to inner structure, so as to enhance the anti-falling performance of cable. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a kind of low temperature resistant anti-falling control cable structure schematic diagram proposed in the utility model;
[0018] Fig. 2 It is a kind of low temperature resistant anti-falling control cable structure schematic diagram proposed in the utility model;
[0019] In the drawing: 1, conductor;11, first heat conducting layer;12, wire skin;13, conductive wire;2, heating layer;21, second heat conducting layer;22, heating cable;3, heat insulation layer;4, insulating layer;5, reinforcing layer;51, aramid fiber layer;52, reinforcing rib;6, shielding layer;7, buffer inner layer;8, buffer outer layer;9, PVC sheath. DETAILED DESCRIPTION
[0020] In the utility model, in the case where no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing or for the vertical, perpendicular or gravity direction;Similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing;"inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0021] The utility model provides a technical scheme of one kind
[0022] Refer to Figs. 1-2 A low temperature resistant and anti-falling control cable, comprising a conductor 1, the conductor 1 includes a first heat conducting layer 11 and a wire skin 12, a plurality of conductive wires 13 are arranged in each wire skin 12, and the plurality of conductive wires 13 are stranded, a heating layer 2 is installed on the outer side of the conductor 1, the heating layer 2 includes a second heat conducting layer 21 and a plurality of heat tracing cables 22, and the plurality of heat tracing cables 22 are spirally wound in the second heat conducting layer 21, a heat insulation layer 3 is installed on the outer side of the heating layer 2, an insulating layer 4 is installed on the outer side of the heat insulation layer 3, a reinforcing layer 5 is installed on the outer side of the insulating layer 4, the reinforcing layer 5 includes an aramid fiber layer 51 and a plurality of reinforcing ribs 52, and the plurality of reinforcing ribs 52 are spirally wound in the aramid fiber layer 51, a shielding layer 6 is arranged on the outer side of the reinforcing layer 5, a buffer inner layer 7 and a buffer outer layer 8 are sequentially arranged on the outer side of the shielding layer 6, and a PVC sheath 9 is installed on the outer side of the buffer outer layer 8.
[0023] It should be noted that the heat tracing cable 22 is a mature existing technology, which is mainly used as a heating source. The heat generated by the heat tracing cable 22 during operation can be precisely controlled to assist the conductor 1 to always be in a normal working temperature range, ensuring the normal operation of the cable.
[0024] Further, the first heat conducting layer 11 and the second heat conducting layer 21 are made of high-purity copper alloy material, which has excellent heat conducting performance. The heat generated by the heat tracing cable 22 can be wrapped outside the wire skin 12 through the first heat conducting layer 11 and the second heat conducting layer 21, so as to maintain the conductive wire 13 in a normal working range.
[0025] Further, the material of the buffer inner layer 7 is polyurethane foam, which has good flexibility and buffering performance, and can buffer external force.
[0026] Further, the material of the buffer outer layer 8 is silicone rubber, which has higher strength and wear resistance, and can effectively protect the inner wall structure of the cable.
[0027] Further, the shielding layer 6 is a metal wire woven mesh, and the shielding layer 6 is wrapped outside the reinforcing layer 5, which can shield external electromagnetic interference and ensure the stability of signal transmission.
[0028] Further, the heat insulation layer 3 is made of aerogel felt material, which has very low thermal conductivity, can effectively block the conduction of heat, and reduce the loss of heat generated by the heat tracing cable 22.
[0029] When used, the working principle of the utility model is as follows:
[0030] The device is used in low temperature environment, the second heat conducting layer 21 in the heating layer 2 starts to work and generates heat, the heat is conducted to the first heat conducting layer 11 through the second heat conducting layer 21, and the heat is wrapped outside the wire skin 12 through the first heat conducting layer 11, so that the electrically conductive wire 13 is in the normal temperature working interval through the heat transfer of the wire skin 12, the heat loss is reduced through the heat insulation layer 3, so that the normal operation of the cable is maintained, the current leakage can be placed through the insulating layer 4, the electromagnetic interference of the outside world can be shielded through the shielding layer 6, when the device is impacted by external force, the PVC sheath 9 can protect the device from receiving physical damage from the outside world, meanwhile, the buffer inner layer 7 and the buffer outer layer 8 can buffer and absorb the external force, further, the damage of the external force and the internal structure is reduced, and through the aramid fiber layer 51 and the reinforcing rib 52, the structural strength of the cable can be ensured, so that the cable is not easy to be damaged.
[0031] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification, etc. made on the basis of the utility model to solve the basically same technical problem and realize the basically same technical effect is all covered in the protection scope of the utility model.
Claims
1. A low temperature resistant, drop resistant control cable comprising a conductor (1), characterized in that, The conductor (1) comprises a first heat-conducting layer (11) and wire skins (12), each of the wire skins (12) is provided with a plurality of conductive wires (13), and the plurality of conductive wires (13) are twisted, a heating layer (2) is mounted on the outer side of the conductor (1), the heating layer (2) comprises a second heat-conducting layer (21) and a plurality of heat tracing cables (22), and the plurality of heat tracing cables (22) are spirally wound in the second heat-conducting layer (21), a heat insulation layer (3) is mounted on the outer side of the heating layer (2), an insulation layer (4) is mounted on the outer side of the heat insulation layer (3), a reinforcing layer (5) is mounted on the outer side of the insulation layer (4), the reinforcing layer (5) comprises an aramid fiber layer (51) and a plurality of reinforcing ribs (52), and the plurality of reinforcing ribs (52) are spirally wound in the aramid fiber layer (51), a shielding layer (6) is arranged on the outer side of the reinforcing layer (5), a buffer inner layer (7) and a buffer outer layer (8) are sequentially arranged on the outer side of the shielding layer (6), and a PVC sheath (9) is mounted on the outer side of the buffer outer layer (8).
2. The low temperature resistant, drop resistant control cable of claim 1, wherein, The first heat-conducting layer (11) and the second heat-conducting layer (21) are made of high-purity copper alloy material.
3. The low temperature resistant, drop resistant control cable of claim 1, wherein, The buffer inner layer (7) is made of polyurethane foam.
4. The low temperature resistant, drop resistant control cable of claim 1, wherein, The buffer outer layer (8) is made of silicone rubber.
5. The low temperature resistant, drop resistant control cable of claim 1, wherein, The shielding layer (6) is a metal wire woven mesh, and the shielding layer (6) is wrapped on the outer side of the reinforcing layer (5).
6. The low temperature resistant, drop resistant control cable of claim 1, wherein, The heat insulation layer (3) is made of aerogel felt material.