CN112117049A

CN112117049A - Secondary circuit cable convenient to distinguish and fast and correctly connect

Info

Publication number: CN112117049A
Application number: CN202010885887.2A
Authority: CN
Inventors: 杨叶奎; 赵国勇; 张德高; 王海波; 周崇林; 黄东; 李晓蓉; 黎芝艳; 王勇; 陈本富; 刘鸿; 王龙; 郑文; 颜世强; 邓华; 张旭; 沈正康; 杨小军; 王志甫; 赵胜
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-12-22

Abstract

The invention discloses a secondary circuit cable convenient to distinguish and capable of being quickly and correctly connected, which comprises two outer insulating sheaths, wherein an inner insulating sheath penetrates through the inner part of each outer insulating sheath, a first single-core copper conductor and a second single-core copper conductor respectively penetrate through the inner parts of the inner insulating sheaths, and a reinforcing hemp rope penetrates through the inner part of each outer insulating sheath. Through setting up different pigment coating on the internal insulation sheath, the first insulation leather sheathe in and the reference numeral on the second insulation leather sheath, can classify and mark many copper conductor, the staff is very light just can be the model of cable respectively, make the installation of secondary circuit simpler, secondly, through setting up external insulation sheath, the internal insulation sheath, first opening, second opening and two fixed ring covers, can adopt the structure manufacturing of opening the dismantlement to form, individual root wire when in the cable damages, only need change corresponding wire, need not change whole cable, practice thrift the fund input of power consumption department to cable maintenance.

Description

Secondary circuit cable convenient to distinguish and fast and correctly connect

Technical Field

The invention belongs to the technical field of electrical equipment, and particularly relates to a secondary loop cable convenient to distinguish and capable of being connected quickly and correctly.

Background

Secondary loop definition: all low-voltage loops such as a measurement loop, a relay protection loop, a switch control and signal loop, an operation power supply loop, an electric locking loop of a circuit breaker and a disconnecting switch and the like are connected with each other by secondary equipment to form an electric loop for monitoring, controlling, adjusting and protecting primary equipment, which is called a secondary loop and is a circuit formed by connecting a secondary winding of a mutual inductor, a measurement monitoring instrument, a relay, an automatic device and the like in an electric system through a control cable. For controlling, protecting, regulating, measuring and monitoring the parameters and the working conditions of the elements in the primary circuit. The circuits for monitoring the electrical connections formed by the gauges, control signals, relay protection and automation devices are called secondary circuits or secondary connections.

When the secondary circuit is connected, the secondary circuit cables are multiple and distributed in a mixed and disorderly manner, no mark related to the cable model is arranged on the cable, the worker can hardly correctly distinguish the models of various cables, the difficulty degree of installation of the secondary circuit is increased, meanwhile, the inside of the secondary circuit cable is often manufactured by adopting an integrated structure, when the cable is damaged, the whole cable needs to be replaced, the waste is caused, and the fund investment of an electricity utilization department in the aspect of equipment maintenance is increased.

Disclosure of Invention

The present invention is directed to a secondary circuit cable that is easy to distinguish and can be connected quickly and correctly, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a secondary circuit cable that conveniently distinguishes and connect fast correctly, includes the external insulation sheath, the inside of external insulation sheath is run through there is the internal insulation sheath, and the internal insulation sheath is provided with two, the inside of internal insulation sheath is run through respectively has first single core copper conductor and the single core copper conductor of second, the inside of external insulation sheath is run through there is the reinforcing hemp rope.

Preferably, the reinforcing twine is arranged to be shorter in length than the inner insulating sheath.

Preferably, the two ends of the outer insulating sheath are both sleeved with outer fixing ring sleeves, and the outer insulating sheath is provided with a first opening along the axis direction.

Preferably, two of the inner insulating sheaths are provided with second openings along the axial direction.

Preferably, the outer parts of the two inner insulating sheaths are sleeved with inner fixing ring sleeves, and the reinforcing hemp ropes are positioned in the inner fixing ring sleeves.

Preferably, the outer parts of the two inner insulating sheaths are respectively sprayed with a red layer and a yellow layer.

Preferably, the first single-core copper conductor is provided with four, four the outside cladding of first single-core copper conductor has first insulation leather sheath, and is provided with reference numbers a, b, c, d on the first insulation leather sheath.

Preferably, the second single core copper conductor is provided with threely, three the outside cladding of second single core copper conductor has the insulating leather sheath of second, and is provided with reference numeral A, B, C on the insulating leather sheath of second.

Compared with the prior art, the invention has the beneficial effects that:

(1) through arranging different pigment coatings on the inner insulating sheath, and marks on the first insulating sheath and the second insulating sheath, a plurality of copper wires can be classified and marked, and workers can easily distinguish the types of the cables, so that the installation of a secondary loop is simpler;

(2) through setting up outer insulating sheath, interior insulating sheath, first opening, second opening and two fixed ring covers, can adopt to open the structure manufacturing of dismantling to form, individual root wire in the cable damages, only need change corresponding wire, need not change whole cable, practice thrift the capital investment that the power consumption department maintained the cable.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a left side view structural diagram of the present invention.

In the figure: 1. a first single core copper wire; 2. a first insulating leather sheath; 3. an inner insulating sheath; 4. an inner fixed ring sleeve; 5. an outer insulating sheath; 6. reinforcing the hemp rope; 7. an outer fixed ring sleeve; 8. a second opening; 9. a first opening; 10. a second single core copper wire; 11. and a second insulating leather sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a secondary circuit cable convenient for distinguishing and fast and correct connection, including an outer insulating sheath 5, an inner insulating sheath 3 penetrating through the outer insulating sheath 5, and an inner copper core wire capable of being protected by the outer insulating sheath 5, wherein two inner insulating sheaths 3 are provided, a first single core copper wire 1 and a second single core copper wire 10 respectively penetrate through the inner insulating sheath 3, and a reinforcing hemp rope 6 penetrates through the inner insulating sheath 5.

In this embodiment, the reinforcing hemp thread 6 is preferably shorter than the inner insulating sheath 3 to prevent the cable from being damaged by external pulling.

Preferably, the two ends of the outer insulating sheath 5 are both sleeved with outer fixing ring sleeves 7, and the outer insulating sheath 5 is provided with a first opening 9 along the axis direction, so that the damaged single-core copper conductor is convenient to replace.

Preferably, the two inner insulating sheaths 3 are provided with second openings 8 along the axial direction, so that the single-core copper conductor inside the inner insulating sheaths 3 can be taken out and installed.

Preferably, the outer sleeves of the two inner insulating sheaths 3 are provided with an inner fixing ring sleeve 4, the reinforcing hemp rope 6 is positioned inside the inner fixing ring sleeve 4, the single-core copper conductor is prevented from falling from the second opening 8, and the two inner insulating sheaths 3 and the reinforcing hemp rope 6 can be connected together.

Preferably, the two inner insulating sheaths 3 are respectively sprayed with a red layer and a yellow layer on the outside, so that the workers can distinguish the types and functions of the inner wires.

Preferably, the number of the first single-core copper conductors 1 is four, the first insulating leather sheath 2 wraps the outside of the four first single-core copper conductors 1, and the first insulating leather sheath 2 is provided with the marks a, b, c and d, so that the workers can correctly connect the internal single-core copper conductors.

Preferably, the number of the second single-core copper wires 10 is three, the outer part of each of the three second single-core copper wires 10 is wrapped by a second insulating leather sheath 11, and the second insulating leather sheath 11 is provided with a reference number A, B, C, so that a worker can conveniently and correctly connect the inner single-core copper wires.

The working principle and the using process of the invention are as follows: when the device is used, a worker judges the type of the inner single-core copper conductor by distinguishing the color of the inner insulating sheath 3 so as to quickly distinguish and distinguish the connected conductor, then the corresponding terminals between the electrical elements can be correctly connected through the corresponding numbers on the first insulating leather sheath 2 and the second insulating leather sheath 11, the types of a plurality of copper conductors can be classified and marked by arranging different pigment coatings on the inner insulating sheath 3 and the marks on the first insulating leather sheath 2 and the second insulating leather sheath 11, the worker can easily distinguish the types of cables so as to ensure that the installation of a secondary loop is simpler, when the cables are used and have faults, the worker checks out damaged copper core conductors, then two fixing ring sleeves are respectively taken down from the outer insulating sheath 5 and the inner insulating sheath 3 and the reinforcing hemp rope 6, then the damaged through core conductors are taken out from the second opening 8, then the corresponding wire is taken out from the first opening 9, the normal copper core wire is installed in the cable according to the mode, the cable can be manufactured by adopting an opening and disassembling structure through arranging the outer insulating sheath 5, the inner insulating sheath 3, the first opening 9, the second opening 8 and the two fixing ring sleeves, when individual wires in the cable are damaged, only the corresponding wire needs to be replaced, the whole cable does not need to be replaced, and the capital investment of a power consumption department on cable maintenance is saved.

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 secondary circuit cable of convenient differentiation and quick correct connection, includes outer insulating sheath (5), its characterized in that: the interior of outer insulating sheath (5) is run through and is had interior insulating sheath (3), and interior insulating sheath (3) are provided with two, the inside of interior insulating sheath (3) is run through respectively has first single core copper conductor (1) and second single core copper conductor (10), the inside of outer insulating sheath (5) is run through and is had enhancement hemp rope (6).

2. A secondary loop cable for easy differentiation and quick and correct connection according to claim 1, characterized in that: the length of the reinforcing hemp rope (6) is shorter than that of the inner insulating sheath (3).

3. A secondary loop cable for easy differentiation and quick and correct connection according to claim 1, characterized in that: the two ends of the outer insulating sheath (5) are both sleeved with outer fixing ring sleeves (7), and the outer insulating sheath (5) is provided with a first opening (9) along the axis direction.

4. A secondary loop cable for easy differentiation and quick and correct connection according to claim 1, characterized in that: and the two inner insulating sheaths (3) are provided with second openings (8) along the axial direction.

5. A secondary loop cable for easy differentiation and quick and correct connection according to claim 1, characterized in that: the outer parts of the two inner insulating sheaths 3 are sleeved with inner fixing ring sleeves (4), and the reinforcing hemp ropes (6) are positioned in the inner fixing ring sleeves (4).

6. A secondary loop cable for easy differentiation and quick and correct connection according to claim 1, characterized in that: and the outer parts of the two inner insulating sheaths (3) are respectively sprayed with a red layer and a yellow layer.

7. A secondary loop cable for easy differentiation and quick and correct connection according to claim 1, characterized in that: first single core copper conductor (1) is provided with four, four the outside cladding of first single core copper conductor (1) has first insulation leather sheath (2), and is provided with reference numeral a, b, c, d on first insulation leather sheath (2).

8. A secondary loop cable for easy differentiation and quick and correct connection according to claim 1, characterized in that: the second single-core copper conductor (10) is provided with threely, three the outside cladding of second single-core copper conductor (10) has second insulating leather sheath (11), and is provided with reference numeral A, B, C on second insulating leather sheath (11).