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Bus cable

A bus cable and cable core technology, applied in the field of bus cables, can solve problems such as shortened service life and cable damage, and achieve the effects of improving safety, strengthening tensile and bending resistance, and avoiding unsafe factors

Inactive Publication Date: 2018-05-18
YUEQING AOB ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the cable laying process, the cable is subjected to frequent bending, stretching and other mechanical forces, which can easily cause damage to the cable and shorten the service life

Method used

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Embodiment Construction

[0009] Combine below figure 1 and figure 2 The present invention is further described.

[0010] A bus cable, comprising a conductor 11, the conductor 11 is twisted with a tensile element 12 to form a conductor wire bundle, at least two conductor wire bundles are twisted with each other to form a power core 10, and the power core 10 is sequentially coated with isolation The tape layer 13 and the insulation layer 14, the control core conductor 21 is covered with the insulation layer 22 and the shielding layer 23, and the two control core conductors 21 are twisted with each other to form the control core 20, the power core 10, and the control core 20 Twisted with the filling rope 30 to form a cable core, and the outside of the cable core is provided with a flame-retardant layer 50 and an outer sheath 60 in sequence. The sleeve 60 is a rubber sheath, and the rubber sheath is provided with a plurality of conductive wires 70 arranged at intervals along the circumferential directi...

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Abstract

The invention discloses a bus cable. Conductors and a tensile component are twisted into a conductor wire harness. At least two conductor wire harnesses are twisted into a power line core. Each powerline core is covered with an isolating belting layer and an insulating layer in sequence. Each control line core conductor is covered with an insulating layer and a shielding layer. Two control line core conductors are twisted into a control line core. The power line cores, the control line core and a filling rope are twisted into a cable core. A flame retardant layer and an outer sheath are arranged in sequence outside the cable core. The flame retardant layer is formed by extruding ceramic silicone rubber outside the cable core. The outer sheath is a rubber sheath. Multiple conducting wiresarranged at intervals along the circumference and extending along the length direction of the cable are laid in the rubber sheath, and the conducting wires are insulated from one another. The conductor wire harnesses have basic tensile property. The power line cores, the control line core and the filling rope are twisted into the cable core, which strengthens the tensile property and bending resistance of the cable as a whole. The flame retardant layer is formed by extruding ceramic silicone rubber outside the cable core, which ensures the fireproof performance of the cable.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a bus cable. Background technique [0002] Bus cables are mainly used for interconnection and communication networks between field intelligent devices in the fields of process control, manufacturing, and building automation. It is a comprehensive technology with intelligent sensing, control, computer, digital communication and other technologies as the main content. The field bus device is at the bottom of the process equipment and is the basic communication network of the factory equipment level. It has simple protocols, strong fault tolerance and security. Good and other characteristics, and has better time certainty and higher real-time performance. [0003] At present, the widespread international trade in the world focuses on commodity exchange activities between countries in the world. Among them, tangible trade exchanges, such as equipment, machines and other physical comm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/06H01B9/02H01B7/295H01B5/08
CPCH01B11/06H01B5/08H01B7/295H01B9/02
Inventor 沈伟力
Owner YUEQING AOB ELECTRIC CO LTD