Flexible, environment-friendly and anti-electric welding spark sensor cable

Abstract

The utility model belongs to the field of sensor cables, and particularly relates to a flexible, environment-friendly and anti-electric welding spark sensor cable, which comprises a cable core, an isolating layer, an annular protective layer and a woven aramid fiber layer, wherein an isolating layer is extruded outside the cable core; the sensor cable provided by the utility model can meet the use requirements of the machinery manufacturing industry and the robot processing field, and has the advantages of good flexibility, high temperature resistance, electric welding spark prevention and long service life.

Description

Technical Field

[0001] The utility model belongs to the field of sensor cables, and particularly relates to a soft, environmentally friendly and anti-welding spark sensor cable. Background Art

[0002] With the development of society, especially the increasing maturity of the sensor industry, the demand for cables used in the sensor field has gradually increased. In the fields of mechanical manufacturing and robot processing, especially in the presence of welding sparks, even if irradiated cross-linked sheath material cables are used, the cable surface will inevitably be damaged, and it cannot meet the requirements of high temperature resistance, anti-welding sparks, environmental protection and softness. Summary of the Invention

[0003] In order to solve the above technical problems, the utility model provides a sensor cable that can meet the use requirements in the fields of mechanical manufacturing and robot processing, and has good flexibility, high temperature resistance, anti-welding sparks and long service life.

[0004] A soft, environmentally friendly and anti-welding spark sensor cable includes a cable core, an isolation layer, a ring protection layer and a woven aramid layer; wherein, an isolation layer is extruded and wrapped outside the cable core; a ring protection layer is wrapped outside the isolation layer, and a woven aramid layer is wrapped outside the ring protection layer.

[0005] Further, the cable core includes an inner conductor and an insulated wire core, and the inner conductor is located in the middle of the insulated wire core.

[0006] Further, the cable core is regularly stranded by 2 to 20 insulated wire cores.

[0007] Further, an isolation agent is coated between the insulated wire cores.

[0008] Further, the inner conductor is made of multi-layered ultra-fine bare copper wires with reverse stranding.

[0009] Further, the ring protection layer is made of irradiated cross-linked flame-retardant polyurethane material.

[0010] Advantageous Technical Effects of the Utility Model

[0011] 1. The inner conductor of the cable is made of multi-layered ultra-fine bare copper wires with reverse stranding, and this structure makes the sensor cable have good flexibility and bending property.

[0012] 2. An isolation layer is coated between the insulated wire cores. This isolation layer can avoid adhesion between single wires, and when the cable moves, the insulated wire cores can slide relative to each other, which plays a role in enhancing the flexibility of the cable and improves the flexibility of the cable compared with ordinary cables.

[0013] 3. The annular protective layer of the cable is made of irradiated cross-linked flame-retardant polyurethane material, which increases the long-term ultimate working temperature of ordinary polyurethane cables from 80°C to 100°C. Moreover, it has better bending resistance and wear resistance than traditional cables. At the same time, it greatly improves the thermal stability of the cable at 200°C and enhances the cable's ability to withstand electric welding sparks.

[0014] 4. A layer of aramid filaments is tightly woven outside the annular protective layer of the cable. The aramid filaments can be continuously used under the condition of 205°C and do not melt under high-temperature conditions. This material has high fracture strength and good chemical resistance, and the cable can be used at high temperatures for a long time. In addition, aramid is a highly flexible polymer. A tightly woven layer of aramid filaments can well prevent the damage of splashing electric sparks to the cable, and at the same time has good flexibility, which is convenient for the cable to be bent and moved frequently.

[0015] 5. The cable is reasonably designed and has good flexibility, bendability, environmental protection, and anti-electric spark characteristics. The environmental protection of the cable will not cause corrosion to precision equipment, ensuring personal safety. At the same time, it will not pollute the atmospheric environment and can meet the installation and use requirements of the machinery manufacturing industry and robot processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the main view of the sectional structure of the present utility model;

[0017] In the figure: 1. Inner conductor; 2. Insulated wire core; 3. Isolation layer; 4. Annular protective layer; 5. Woven aramid layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following is a detailed description of the specific embodiments, structures, features, and functions provided according to the present utility model in conjunction with the accompanying drawings and preferred embodiments.

[0019] A flexible, environmentally friendly, and anti-electric welding spark sensor cable includes a cable core, an isolation layer 3, an annular protective layer 4, and a woven aramid layer 5. Among them, an isolation layer 3 is extruded and wrapped outside the cable core; an annular protective layer 4 is wrapped outside the isolation layer 3, and a woven aramid layer 5 is wrapped outside the annular protective layer 4.

[0020] Further, the cable core includes an inner conductor 1 and an insulated wire core 2, and the inner conductor 1 is located in the middle of the insulated wire core 2.

[0021] Further, the cable core is regularly stranded by 2 to 20 insulated wire cores 2.

[0022] Further, an isolation agent is coated between the insulated wire cores 2.

[0023] Further, the inner conductor 1 is made of multi-layered ultra-fine bare copper wires with reverse stranding.

[0024] Further, the annular protective layer 4 is made of irradiated cross-linked flame-retardant polyurethane material

[0025] Beneficial technical effects of the present utility model:

[0026] 1. The inner conductor of the cable is made of multi-layered ultra-fine bare copper wires twisted in different directions. This structure endows the sensor cable with good flexibility and bendability.

[0027] 2. An isolation layer is coated between the insulation cores. This isolation layer can prevent adhesion between individual wires. When the cable moves, relative sliding can occur between the insulation cores, enhancing the flexibility of the cable and making it more flexible than ordinary cables.

[0028] 3. The annular protective layer of the cable is made of irradiated cross-linked flame-retardant polyurethane material, raising the long-term limit working temperature of ordinary polyurethane cables from 80°C to 100°C. It also has more excellent bend resistance and wear resistance compared to traditional cables. At the same time, it greatly improves the thermal stability of the cable at 200°C and enhances the cable's ability to withstand electric welding sparks.

[0029] 4. A layer of aramid filaments is tightly woven outside the annular protective layer of the cable. The aramid filaments can be continuously used at 205°C and do not melt under high-temperature conditions. This material has high fracture strength and good chemical resistance, allowing the cable to be used at high temperatures for a long time. Additionally, aramid is a highly flexible polymer. A tightly woven layer of aramid filaments can effectively prevent damage to the cable caused by splashing electric sparks and also has good flexibility, facilitating frequent bending and movement operations of the cable.

[0030] 5. The cable is reasonably designed and has good flexibility, bendability, environmental friendliness, and anti-electric spark characteristics. The environmental friendliness of the cable will not corrode precision equipment, ensuring personal safety and not polluting the atmospheric environment. It can meet the installation and usage requirements of the machinery manufacturing industry and robot processing. The above has described a detailed example of the present utility model, but the content described is only the preferred embodiment of the present utility model and cannot be considered as limiting the scope of implementation of the present utility model. All equivalent changes and improvements made according to the scope of the application of the present utility model should fall within the scope covered by the patent of the present utility model.

Claims

1. A soft, environmentally friendly, electric welding spark-proof sensor cable, characterized in that: It includes a cable core, an isolation layer, a ring protection layer and a braided aramid layer; among them, an isolation layer is extruded and wrapped outside the cable core; a ring protection layer is wrapped outside the isolation layer, and a braided aramid layer is wrapped outside the ring protection layer.

2. A soft, environmentally friendly, electric welding spark-proof sensor cable according to claim 1, characterized in that: The cable core includes an inner conductor and an insulated wire core, and the inner conductor is located in the middle of the insulated wire core.

3. The soft, environmentally friendly, electric welding spark-proof sensor cable according to claim 2, characterized in that: The cable core is regularly stranded by 2 to 20 insulated wire cores.

4. A soft, environmentally friendly, electric welding spark-proof sensor cable according to claim 2, characterized in that: An isolating agent is applied between the insulated wire cores.

5. A soft, environmentally friendly, electric welding spark-proof sensor cable according to claim 2, characterized in that: The inner conductor is made of multi-layer ultra-fine bare copper wires with crosswise stranding.

6. A soft, environmentally friendly, electric welding spark-proof sensor cable according to claim 1, characterized in that: The ring protection layer uses irradiated cross-linked flame-retardant polyurethane material.

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