CN215768692U

CN215768692U - Safety connector lug for electrical test

Info

Publication number: CN215768692U
Application number: CN202122319378.6U
Authority: CN
Inventors: 张玺国; 王鹏飞; 曹宇翔; 颜博; 王超; 冯建军; 张国栋
Original assignee: Huaneng Longdong Energy Co Ltd
Current assignee: Huaneng Longdong Energy Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-08
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to a safety connector lug for an electrical test. At present, the electric secondary test and protection device calibration test has multiple types, complicated projects and complicated test wiring. A safety connector lug for electrical testing, the composition of which includes: sub-strand copper core (1), transition terminal (2), 3M insulating tape (3) and forked end (4) of colding pressing, sub-strand copper core comprises 11 sections stub wires, welded mode fixed connection is passed through with the one end of transition terminal to the one end of stub wire, the stub wire is gone out the parcel with the welding position of transition terminal and is had 3M insulating tape to go out at welding position and form the insulating layer, 1cm long copper core (5) are left to the opposite side of stub wire, and it is fixed with forked end crimping of colding pressing through the crimping pliers with the copper core. The method is applied to the electric secondary test and the calibration work of the protection device.

Description

Safety connector lug for electrical test

Technical Field

The utility model relates to a safety connector lug for an electrical test.

Background

At present, the electric secondary test and protection device calibration test is multiple in type, complex in project, complex in test wiring, and the test wiring involving frequent plugging and unplugging is involved in the test process, so that time and labor are wasted, and the wiring of the field terminal box is complex, and the short circuit risk exists in the traditional short-circuit wiring matched with the alligator clip wiring.

Disclosure of Invention

The utility model aims to provide a safety connector lug for an electrical test, which can overcome potential safety hazards caused by matching a short-circuit wire with a crocodile clip wire, ensure the safety of personnel and equipment and effectively improve the field working efficiency.

The above purpose is realized by the following technical scheme:

a safety connector lug for electrical testing, the composition of which includes: the single-stranded copper core wire is composed of 11 sections of short wires, one end of each short wire is fixedly connected with one end of each transition wiring terminal in a welding mode, and the welding position of each short wire and the corresponding transition wiring terminal is wrapped with the 3M insulating adhesive tape to form an insulating layer;

and a copper core with the length of 1cm is reserved on the other side of the short connecting wire, and the copper core is fixedly connected with the forked cold pressing end through crimping pliers.

The safety connector for electrical test, the single-stranded copper core wire be black, yellow, green and red 2.5mm single-stranded copper core wire, the transition terminal be black, yellow, green and red four-wire transition terminal.

The transition binding post is connected with the test wire, and the fork-shaped cold pressing end is connected with the Phoenix binding post.

The utility model has the beneficial effects that:

1. compared with the existing wiring method for testing the short-circuit wire matched with the crocodile clip wire, the safety connector lug for testing is safer and more convenient to use on site, and the working efficiency is improved. The safety connector lug for the test is convenient to use on site, obvious in color code identification and flexible in plugging, meets the use requirements of different wiring terminals on site, does not have short circuit risk, fundamentally guarantees the safety of personnel and equipment, and can effectively improve the site work efficiency.

2. The utility model has the following advantages:

(1) the circuit breaker characteristic test device is convenient to use and flexible in plugging and unplugging, and the working efficiency of the circuit breaker characteristic test is improved.

(2) The safety and reliability are realized, no exposed part exists in the whole process, short circuit is avoided, and the possibility of personal injury and equipment damage does not exist.

(3) The wiring is reliable, and the wiring is reliable in the testing process, can not drop, connect reliably, has guaranteed the accuracy of test data.

(4) The cost is extremely low, the manufacturing material of the safety connector lug is a common test connector combination, and waste materials can be used for replacing the safety connector lug.

(5) The application range is wide, the wire connecting device can be applied to a Phoenix wire connecting terminal and a common wire connecting terminal (needing to be looped), and various wire connecting conditions on site are met.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention for a phoenix terminal.

Fig. 2 is a schematic structural view of a conventional type connection terminal.

In the figure: 1. single strand copper core wire, 2, transition terminal. 3. 3M insulating tape, 4 forked cold pressing end, 5 copper core.

The specific implementation mode is as follows:

example 1:

a safety connector lug for electrical testing, the composition of which includes: the single-stranded copper core wire comprises a single-stranded copper core wire 1, a transition wiring terminal 2, a 3M insulating tape 3 and a forked cold-pressed end 4, wherein the single-stranded copper core wire consists of 11 sections of short wiring, one end of the short wiring is fixedly connected with one end of the transition wiring terminal in a welding mode, and the 3M insulating tape wraps the welding position of the short wiring and the transition wiring terminal to form an insulating layer;

and a copper core 5 with the length of 1cm is reserved on the other side of the short connecting wire, and the copper core is fixedly pressed with the forked cold pressing end head through a wire pressing pliers.

Example 2:

according to the safety connector for electrical tests in embodiment 1, the single-stranded copper core wires are black, yellow, green and red 2.5mm single-stranded copper core wires, and the transition terminals are black, yellow, green and red four-wire transition terminals.

Example 3:

according to the safety connector lug for the electrical test in

embodiment

1 or 2, the transition connector lug is connected with a test wire, and the fork cold pressing end is connected with the phoenix connection terminal.

Example 4:

the safety connector lug for the electrical test is made of the following materials:

(1) four-color 2.5mm single-stranded copper core wire (2), four-color transition wiring terminal (3), 3M insulating tape (4), forked cold pressing end (5) with spring insertion three-color testing wire

Required instrument of safe connector lug preparation for electrical test:

(1) one wire stripper (2) electric iron, one wire pressing pliers (3) and one diagonal pliers (4)

The manufacturing process of the safety connector lug for the electrical test comprises the following steps:

and manufacturing corresponding connector lugs aiming at different terminal blocks on the spot.

(1) For a phoenix terminal:

use diagonal pliers to cut into 10cm long and short wiring with black, yellow, green, red 2.5mm single strand copper core respectively 11 sections, use electric iron to weld the short-circuit wire in one side of transition terminal, use 3M insulating tape to wrap the welding position, make insulating, use wire stripping pliers to peel off 1cm long insulating skin with single strand copper core opposite side.

(2) Aiming at the common wiring terminal:

the single-stranded copper core wires of 2.5mm in length, black, yellow, green and red, are respectively cut into 11 sections of 10cm long and short wiring by using diagonal pliers, the short wiring is welded on one side of the transition wiring terminal by using an electric soldering iron, the welding part is wrapped by using a 3M insulating tape, insulation is made, the insulating skin of 1cm long is stripped from the other side of the single-stranded copper core wire by using wire stripping pliers, and the forked cold-pressed end is crimped on the side by using wire crimping pliers.

Claims

1. A safety connector lug for electrical testing, the composition of which includes: single strand copper core, transition terminal, 3M insulating tape and forked end of colding pressing, characterized by: the single-stranded copper core wire consists of 11 sections of short-circuited wires, one end of each short-circuited wire is fixedly connected with one end of the corresponding transition binding post in a welding mode, and the welding position of each short-circuited wire and the corresponding transition binding post is wrapped with the 3M insulating tape to form an insulating layer;

2. The safety connector for electrical testing as set forth in claim 1, wherein: the single-stranded copper core wire is black, yellow, green and red 2.5mm single-stranded copper core wire, the transition terminal post be black, yellow, green and red four-wire transition terminal post.

3. The safety connector for electrical testing as set forth in claim 2, wherein: the transition binding post is connected with the test wire, and the fork-shaped cold pressing end is connected with the Phoenix binding post.