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A flexible fire-resistant low-voltage frequency conversion cable

A frequency conversion cable, fire-resistant technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problem of shielding not being fully shielded, etc., to achieve enhanced compression resistance, good heat insulation and fire insulation effect, and enhanced impact resistance. Effect

Active Publication Date: 2021-06-01
上海朗达电缆(集团)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, shielding is not a full shielding style, and there are still defects

Method used

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  • A flexible fire-resistant low-voltage frequency conversion cable
  • A flexible fire-resistant low-voltage frequency conversion cable

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Embodiment Construction

[0021] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. Those of ordinary skill in the art can understand the specifi...

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Abstract

A flexible fire-resistant low-voltage frequency conversion cable according to the present invention includes at least three wire cores and a shielding layer wrapped outside the wire cores; each wire core is composed of a conductor and a comprehensive insulating layer wrapped outside the conductor, and the comprehensive insulating layer includes an inner Insulation layer and outer insulation layer; shielding layer includes heat insulation layer, fire-resistant inner lining layer, interlocking armored shielding layer and outer sheath, and a filling layer is arranged between the core and the core, and between the core and the shielding layer. The product of the present invention is a fully shielded style, which can withstand high temperature and heat. The product has the performance of flame retardant and fire resistance. The fuse does not blow; it can also reach the highest level of British BS6387.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a low-voltage variable-frequency cable, in particular to a flexible fire-resistant low-voltage variable-frequency cable. Background technique [0002] Frequency conversion motors have many advantages, such as low equipment investment costs, simple structure, small size, low cost, energy saving, large speed range, constant power and constant speed, easy to use, large capacity, etc. The energy-saving effect of the frequency conversion device is very obvious. The frequency conversion and speed regulation motor is used in the high-power motor, and the entire generator set can save 30% of electricity. And after using frequency conversion speed regulation, the soft start of the motor is realized, the motor works smoothly, the wear of the motor bearing is reduced, and the service life and maintenance cycle of the motor are prolonged. Therefore, it is currently widely used in metallurgy,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/22H01B7/18H01B7/02H01B7/295H01B7/29H01B7/04
Inventor 王浩淼王成忠刘源
Owner 上海朗达电缆(集团)有限公司
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