CN210403272U - Novel special explosion-proof control cable - Google Patents

Abstract

The utility model discloses a novel special type explosion-proof control cable, novel special type explosion-proof control cable includes the conductor crowded package insulating layer constitutes insulation core on the conductor, insulation core stranding adds the filling layer simultaneously, insulation core and filling layer are around the package outward, fine weaving shielding layer on the covering belt of glass, the restrictive coating is extruded to the shielding layer. The explosion-proof capacity is strong, the conductor is not easy to break and the like under the external high-strength stress, and the service life of the control cable is greatly prolonged. The utility model discloses a control cable is being difficult to produce static in colliding with other objects and friction, has reduced the emergence of dangerous phenomena such as explosion conflagration.

Description

Novel special explosion-proof control cable

Technical Field

The utility model relates to a wire and cable technical field especially relates to a novel special type explosion-proof control cable.

Background

The special explosion-proof control cable is widely used in the occasions of connecting lines of electric appliances of explosion-proof electric elements and other explosion-proof devices, motors and the like, the traditional control cable has poor explosion-proof capability, and the phenomena of easy breakage and the like of conductors are easy to occur under the condition of bearing external high-strength stress, so that the service life of the control cable is greatly limited. In addition, when the cable is used in special occasions, static electricity is easily generated due to collision and friction between the cable and other objects, and risks such as explosion and fire are easily caused. Therefore, improvements are urgently required.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a novel special type explosion-proof control cable for solve the control cable blast resistance among the prior art poor, easily under bearing external high strength stress, the conductor easily takes place phenomenons such as fracture, has restricted control cable's life, and the collision of cable and other objects and friction produce static easily, cause dangerous problems such as explosion conflagration very easily.

For realizing above-mentioned purpose and other relevant purposes, the utility model provides a novel special type explosion-proof control cable, novel special type explosion-proof control cable includes the conductor crowded package insulating layer constitutes insulation core on the conductor, insulation core stranding adds the filling layer simultaneously, insulation core and filling layer are around the package outward, weave the shielding layer outside the package, the restrictive coating is extruded to the shielding layer.

In an embodiment of the present invention, the conductor is formed by twisting aramid yarn and a fifth type tinned copper wire.

In an embodiment of the present invention, the insulating layer is a low smoke zero halogen polyolefin insulating layer.

In an embodiment of the present invention, the filling layer is made of glass fiber filling rope.

In an embodiment of the present invention, the glass fiber tape is used in the wrapping layer.

The utility model discloses an in the embodiment, the shielding layer adopts tinned copper wire and aramid fiber silk weaving layer.

In an embodiment of the present invention, the sheath layer is made of special low-smoke halogen-free polyolefin sheath.

As above, the utility model discloses a novel explosion-proof control cable of special type has following beneficial effect:

the utility model discloses a novel explosion-proof control cable of special type includes the conductor crowded package insulating layer constitutes insulation core on the conductor, insulation core stranding adds the filling layer simultaneously, insulation core and filling layer are around the package outward, fine weaving shielding layer on the covering belt of glass, the restrictive coating is extruded to the shielding layer. The explosion-proof capacity is strong, the conductor is not easy to break and the like under the external high-strength stress, and the service life of the control cable is greatly prolonged. The utility model discloses a control cable is being difficult to produce static in colliding with other objects and friction, has reduced the emergence of dangerous phenomena such as explosion conflagration.

The utility model discloses it has the aramid yarn to add in the conductor, has greatly strengthened the tensile strength of conductor.

The utility model discloses an insulating layer adopts low smoke and zero halogen polyolefin insulating layer, has greatly improved the temperature resistant grade of cable.

The utility model discloses a tinned copper wire and aramid fiber silk weaving layer have also greatly strengthened the intensity index of cable when guaranteeing the shielding effect as the shielding layer.

The utility model discloses a special type low smoke and zero halogen sheath is as the outer jacket, has greatly increased the cable and has collided and the friction produces antistatic index with other objects.

Drawings

Fig. 1 is a schematic structural diagram of a novel special explosion-proof control cable provided in an embodiment of the present application.

The element numbers are as follows:

1. conductor

2. Insulating layer

3. Filling layer

4. Wrapping layer

5. Shielding layer

6. Sheath layer

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a novel special explosion-proof control cable according to an embodiment of the present application. The utility model provides a novel special type explosion-proof control cable, novel special type explosion-proof control cable includes conductor 1 crowded package insulating layer 2 constitutes insulation core on the conductor 1, insulation core stranding and add filling layer 3 simultaneously, insulation core and 3 outer windings of filling layer wrap up covering 4, weave shielding layer 5 outside covering 4, shielding layer 5 extrudes restrictive coating 6.

Specifically, the conductor 1 is formed by twisting aramid yarns and a fifth type of tinned copper wires. The insulating layer 2 is a low-smoke halogen-free polyolefin insulating layer. The filling layer 3 adopts a glass fiber filling rope. The wrapping layer 4 is made of glass fiber tapes. The shielding layer 5 is made of tinned copper wires and aramid fibers. The sheath layer 6 is a special low-smoke halogen-free polyolefin sheath.

Referring to fig. 1, the novel special explosion-proof control cable of the present embodiment is formed by twisting aramid yarn and tinned copper wire with the conductor 1, then extruding and wrapping the low-smoke halogen-free polyolefin insulation layer 2 to form an insulation core, cabling the insulation core and adding a glass fiber filling rope, then wrapping a glass fiber tape, weaving a tinned copper wire and an aramid fiber wire woven layer, and finally extruding a special low-smoke halogen-free polyolefin sheath.

In a specific embodiment, the corresponding structural arrangement and material selection are respectively:

the conductor 1 is formed by twisting a single aramid fiber wire and a plurality of copper wires, and the twisting pitch diameter ratio is not more than 16 times of the twist diameter.

The insulating layer 2 extruded on the conductor 1 is made of low-smoke halogen-free polyolefin material, and the average thickness and the thinnest point of the insulating layer meet the requirements.

The insulated wire cores are cabled, the direction is right, and the cabling pitch diameter ratio is not more than 8 times of the cabling outer diameter. And during cabling, a high-temperature-resistant glass fiber filling rope is added in the gap, a high-temperature-resistant glass fiber tape is wrapped on the periphery of the cable core, double-layer overlapping wrapping is adopted during wrapping, and the overlapping rate is not less than 50%.

The shielding layer 5 is in a braided structure of braided tinned copper wires and aramid fibers, and the braiding density is not less than 90%.

The sheath layer 6 is made of extruded special low-smoke halogen-free sheath material, and the average thickness and the thinnest point of the sheath meet the requirements.

To sum up, the utility model discloses a novel explosion-proof control cable of special type includes conductor 1 crowded package insulating layer 2 constitutes insulation core on the conductor 1, insulation core stranding adds filling layer 3 simultaneously, 3 outer winding package layers 4 around insulation core and filling layer, weave the shielding layer on the winding layer 4, shielding layer 5 extrudes restrictive coating 6. The explosion-proof capacity is strong, the conductor is not easy to break and the like under the external high-strength stress, and the service life of the control cable is greatly prolonged. The utility model discloses a control cable is being difficult to produce static in colliding with other objects and friction, has reduced the emergence of dangerous phenomena such as explosion conflagration.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a novel explosion-proof control cable of special type which characterized in that: novel explosion-proof control cable of special type includes conductor (1) crowded package insulating layer (2) constitutes insulating core on conductor (1), insulating core stranding adds filling layer (3) simultaneously, insulating core and filling layer (3) are outer around wrapping layer (4), weave shielding layer (5) outward around covering (4), restrictive coating (6) are extruded in shielding layer (5).

2. A novel special type explosion-proof control cable according to claim 1, characterized in that: the conductor (1) is formed by stranding aramid yarns and a fifth type of tinned copper wires.

3. A novel special type explosion-proof control cable according to claim 1, characterized in that: the insulating layer (2) adopts a low-smoke halogen-free polyolefin insulating layer.

4. A novel special type explosion-proof control cable according to claim 1, characterized in that: the filling layer (3) adopts a glass fiber filling rope.

5. A novel special type explosion-proof control cable according to claim 1, characterized in that: the wrapping layer (4) is made of glass fiber tapes.

6. A novel special type explosion-proof control cable according to claim 1, characterized in that: the shielding layer (5) is a tinned copper wire and aramid fiber wire braid.

7. A novel special type explosion-proof control cable according to claim 1, characterized in that: the sheath layer (6) adopts a special low-smoke halogen-free polyolefin sheath.

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