CN210123657U

CN210123657U - High-performance environment-friendly mining control cable

Info

Publication number: CN210123657U
Application number: CN201921153989.4U
Authority: CN
Inventors: 聂祝婷; 叶斌; 肖云; 王平
Original assignee: ANHUI HUALING CABLE GROUP Co Ltd
Current assignee: ANHUI HUALING CABLE GROUP Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-03-03
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to a cable for electrical equipment, in particular to a high-performance environment-friendly mine control cable; the cable comprises a plurality of cable cores and a total shielding layer, wherein the cable cores are internally provided with a wire core, an insulating layer and a sub-shielding layer from inside to outside, the insulating layer is coated outside the wire core, the sub-shielding layer is arranged outside the insulating layer, and the sub-shielding layer is a sub-shielding layer woven by copper wires; the total shielding layer is arranged outside the cable cores, and a fireproof daub layer is filled between the total shielding layer and the cable cores; the outer side of the total shielding layer is coated with a low-smoke halogen-free polyethylene sheath layer, and a plurality of waterproof antennae are integrally arranged on the outer side of the low-smoke halogen-free polyethylene sheath layer; the utility model discloses simple structure possesses low smoke and zero halogen characteristic, high flame retardant characteristic, high performance shielding characteristic and dampproofing and waterproofing characteristic.

Description

High-performance environment-friendly mining control cable

Technical Field

The utility model relates to a cable for electrical equipment specifically is a mining control cable of high performance environment-friendly.

Background

The control cable is suitable for industrial and mining enterprises, energy traffic departments, and occasions such as control and protection lines with the AC rated voltage of below 450/750 volts. Common faults of control cable lines include mechanical damage, insulation moisture, insulation aging deterioration, overvoltage, cable overheating faults and the like.

After the control cable is put into operation, the problem of electrical interference exists between different wire cores of the same cable and between adjacent cables laid in parallel; the metal shielding is an important measure for weakening and preventing electrical interference, including total shielding, partial shielding, double-layer total shielding and the like of the wire core, and the total shielding and the partial shielding are insulated and isolated from each other and cannot conduct electricity with each other.

Generally, an environmentally friendly control cable should have both low smoke and halogen free characteristics and flame retardant characteristics so that the cable may produce less smoke when accidentally burned, high performance shielding characteristics, and waterproof and moisture proof characteristics. However, the existing cable is often only heavier than a few properties, and the above characteristics are difficult to be specified at the same time. Therefore, the utility model provides a mining control cable of high performance environment-friendly to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining control cable of high performance environment-friendly to the current control cable performance that provides in solving above-mentioned background art is low, problem not environmental protection.

In order to achieve the above object, the utility model provides a following technical scheme: a high-performance environment-friendly mining control cable comprises a plurality of cable cores and a total shielding layer, wherein the cable cores are internally provided with a wire core, an insulating layer and a sub-shielding layer from inside to outside, the insulating layer is coated outside the wire core, the sub-shielding layer is arranged outside the insulating layer, and the sub-shielding layer is a copper wire braided sub-shielding layer; the total shielding layer is arranged outside the cable cores, and a fireproof daub layer is filled between the total shielding layer and the cable cores; the outside cladding of total shield layer has low smoke and zero halogen polyethylene restrictive coating, the outside an organic whole of low smoke and zero halogen polyethylene restrictive coating is provided with the waterproof feeler of several.

For making the acquisition of sinle silk is more convenient and economic, adopts current cable trade general material and nominal size, and is specific, the sinle silk is copper wire, and the radius is 0.5 millimeter.

For making waterproof feeler is right the protection of low smoke and zero halogen polyethylene restrictive coating is more comprehensive, waterproof feeler presents evenly distributed, and is concrete, waterproof feeler evenly distributed is in on the circumference of low smoke and zero halogen polyethylene restrictive coating outside.

In order to reduce friction and prolong the service life of the waterproof antenna when the waterproof antenna is in contact with the ground, the waterproof antenna is arranged to be a semicircular bulge, specifically, the waterproof antenna is a semicircular bulge, and the radius of the waterproof antenna is 0.5 mm.

In order to enable the insulating layer to have the environment-friendly characteristic, halogen toxic gas containing chlorine, bromine, fluorine and the like is not generated during combustion, the insulating layer is made of a cross-linked polyethylene material, and specifically, the insulating layer is made of the cross-linked polyethylene material.

In order to enable the cable core to have the characteristic of preventing external cable electrical interference, a total shielding layer is arranged, and specifically, the total shielding layer is a copper strip total shielding layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the sub-shielding layer is arranged outside the insulating layer and is a copper wire braided sub-shielding layer; the arrangement of the copper wire braided sub-shielding is more environment-friendly, harmful gas can not be generated even if the cable burns, on the other hand, the arrangement of the sub-shielding layer avoids the electrical interference among a plurality of cable cores, and the electrical shielding property of the control cable is improved; the total shielding layer is arranged outside the cable cores, so that the electric interference caused by external cables is avoided due to the arrangement of the total shielding layer, and the total electric shielding characteristic of the control cable is further improved.

2. A fireproof daub layer is filled between the total shielding layer and the cable core, so that the utility model has the flame retardant property, and prevents a large amount of smoke from polluting the environment; the outside cladding of total shielding layer has low smoke and zero halogen polyethylene restrictive coating, and the polyethylene material burning can not produce the toxic gas that contains halogen such as chlorine, bromine, fluorine.

3. The outside an organic whole of low smoke and zero halogen polyethylene restrictive coating is provided with several waterproof antenna, and when the cable was placed on ground, the setting of waterproof antenna can aerial cable, keeps away from subaerial moisture, improves the dampproofing and waterproofing characteristic of cable.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

In the figure: 1. a wire core; 2. an insulating layer; 3. dividing a shielding layer; 4. A fireproof daub layer; 5. a cable core; 6. a total shielding layer; 7. a low-smoke halogen-free polyethylene sheath layer; 8. waterproof antenna.

Detailed Description

The present invention will be further described with reference to the following embodiments, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1, the high-performance environment-friendly mining control cable comprises a plurality of cable cores 5 and a total shielding layer 6, wherein the cable cores 5 are internally provided with a cable core 1, an insulating layer 2 and a sub-shielding layer 3 from inside to outside, the insulating layer 2 is coated outside the cable core 1, the sub-shielding layer 3 is arranged outside the insulating layer 2, the sub-shielding layer 3 is a copper wire braided sub-shielding layer, and one point of the sub-shielding layer 3 is grounded; the total shielding layer 6 is arranged outside the cable cores 5, and the fireproof daub layer 4 is filled between the total shielding layer 6 and the cable cores 5, and the fireproof daub can be cable fireproof daub produced by Hebei Junhui Security and protection technologies, Inc.; the outside cladding of total shield layer 6 has low smoke and zero halogen polyethylene restrictive coating 7, and total shield layer 6's both ends ground connection, the outside an organic whole of low smoke and zero halogen polyethylene restrictive coating 7 is provided with several waterproof antenna 8.

Specifically, referring to fig. 1, the core 1 is a copper wire with a radius of 0.5 mm, and the core 1 is made of a material and has a nominal size commonly used in the existing cable industry, so that the core 1 is more convenient and economical to obtain.

Specifically, referring to fig. 1, the waterproof antenna 8 is uniformly distributed on the circumference of the outer side of the low smoke zero halogen polyethylene sheath layer 7, so that the waterproof antenna 8 can protect the low smoke zero halogen polyethylene sheath layer 7 more comprehensively.

Specifically, referring to fig. 1, the waterproof antenna 8 is a semicircular protrusion with a radius of 0.5 mm, so that when the waterproof antenna 8 contacts with the ground, friction is reduced, and the service life of the waterproof antenna 8 is prolonged.

Specifically, referring to fig. 1, the insulating layer 2 is made of cross-linked polyethylene, so that the insulating layer 2 has environmental protection characteristics, and does not generate toxic halogen gas such as chlorine, bromine, fluorine, and the like during combustion.

Specifically, referring to fig. 1, the total shielding layer 6 is a copper strip total shielding layer, so that the cable core 5 has a characteristic of preventing external cable electrical interference.

The utility model discloses a theory of operation: a sub-shielding layer 3 is arranged outside the insulating layer 2, and the sub-shielding layer 3 is a copper wire braided sub-shielding layer; the arrangement of the copper wire braided sub-shielding is more environment-friendly, harmful gas can not be generated even if the cable burns, on the other hand, the arrangement of the sub-shielding layer 3 avoids the electrical interference among the plurality of cable cores 5, and the electrical shielding characteristic of the control cable is improved; the total shielding layer 6 is arranged outside the cable cores 5, the total shielding layer 6 avoids electrical interference caused by external cables, and the total electrical shielding property of the control cable is further improved; a fireproof daub layer 4 is filled between the total shielding layer 6 and the cable core 5, so that the utility model has the flame retardant property, and prevents a large amount of smoke from polluting the environment; the outer side of the total shielding layer 6 is coated with a low-smoke halogen-free polyethylene sheath layer 7, and toxic gas containing halogen such as chlorine, bromine, fluorine and the like can not be generated when polyethylene materials are combusted; the outside an organic whole of low smoke and zero halogen polyethylene restrictive coating 7 is provided with several waterproof antenna 8, and when the cable was placed on ground, waterproof antenna 8's setting can aerial cable, keeps away from subaerial moisture, improves the dampproofing and waterproofing characteristic of cable.

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

1. The utility model provides a mining control cable of high performance environment-friendly, includes a plurality of cable cores (5) and total shielding layer (6), its characterized in that: the cable core (5) is internally provided with a wire core (1), an insulating layer (2) and a sub-shielding layer (3) from inside to outside, the insulating layer (2) is coated outside the wire core (1), the sub-shielding layer (3) is arranged outside the insulating layer (2), and the sub-shielding layer (3) is a copper wire braided sub-shielding layer; the total shielding layer (6) is arranged outside the cable cores (5), and a fireproof daub layer (4) is filled between the total shielding layer (6) and the cable cores (5); the outside cladding of total shield layer (6) has low smoke and zero halogen polyethylene restrictive coating (7), the outside an organic whole of low smoke and zero halogen polyethylene restrictive coating (7) is provided with several waterproof antenna (8).

2. The high-performance environment-friendly mining control cable according to claim 1, characterized in that: the wire core (1) is a copper wire with a radius of 0.5 mm.

3. The high-performance environment-friendly mining control cable according to claim 1, characterized in that: the waterproof antenna (8) is uniformly distributed on the circumference of the outer side of the low-smoke halogen-free polyethylene sheath layer (7).

4. The high-performance environment-friendly mining control cable according to claim 3, characterized in that: the waterproof antenna (8) is a semicircular bulge, and the radius of the waterproof antenna is 0.5 mm.

5. The high-performance environment-friendly mining control cable according to claim 1, characterized in that: the insulating layer (2) is made of a cross-linked polyethylene material.

6. The high-performance environment-friendly mining control cable according to claim 1, characterized in that: the total shielding layer (6) is a copper strip total shielding layer.