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BR-202024017789-U2 - IMPROVEMENT INTRODUCED IN A DEVICE FOR ISOLATING UNPROTECTED AND ENERGIZED ELECTRICAL TERMINALS

BR202024017789U2BR 202024017789 U2BR202024017789 U2BR 202024017789U2BR-202024017789-U2

Abstract

The present utility model belongs to the field of insulation and protection systems for electrically unprotected and energized installations and comprises an active rod (100) with a flange (101) provided with a medial orifice (102), and a passive rod (200) provided with at least one distal surface (201) and at least one internal compartment (202), the active rod (100) and the passive rod (200) cooperating with each other by means of a resilient element, the device (1) comprising a single body with the active rod (100) and the passive rod (200) interconnected by at least one vertex (300).

Inventors

  • CLEOMAR FINARDI

Assignees

  • CLEOMAR FINARDI

Dates

Publication Date
20260310
Application Date
20240829

Claims (7)

  1. 1. Improvement introduced in a device for isolating unprotected and energized electrical terminals, wherein said device (1) comprises an active rod (100) with a flange (101) provided with a medial orifice (102), and a passive rod (200) provided with at least one distal surface (201) and at least one internal compartment (202), the active rod (100) and the passive rod (200) cooperating with each other by means of a resilient element, characterized in that the device (1) comprises a single body with the active rod (100) and the passive rod (200) interconnected by at least one vertex (300).
  2. 2. Improvement according to claim 1, characterized in that the vertex (300) is resilient so as to provide articulation of the active rod (100) in relation to the passive rod (200).
  3. 3. Improvement according to claim 1, characterized in that the tab (101) of the active rod (100) comprises at least one distal stop (103) cooperating with the distal surface (201).
  4. 4. Improvement according to claim 1, characterized in that it comprises at least one resilient tension element cooperating with the active rod (100) and the passive rod (200).
  5. 5. Improvement according to claim 1, characterized in that the active rod (100) comprises at least one upper structure (104) to cooperate with at least one support element existing near the unprotected and energized electrical terminals.
  6. 6. Improvement according to claim 5, characterized in that the support element comprises a rail (T).
  7. 7. Improvement according to claim 1, characterized in that the active rod (100) comprises at least one protrusion (107) cooperating with the passive rod (200).

Description

Technical Field [001] The present utility model belongs to the field of insulation and protection systems for electrically unprotected and energized installations and, more specifically, is intended for the insulation of bare terminals of unprotected and energized conductors or stripped ends, with the main objective of preventing the formation of short circuits, electric arcs or other conditions likely to cause various and unwanted damage. Introduction [002] The present utility model refers to a device developed to promote the isolation of unprotected and energized electrical terminals and, consequently, increase safety conditions for situations that require human intervention in electrical environments where energized terminals exist. [003] Therefore, the object of the present utility model is capable of promoting a more practical, efficient and safe operation in environments containing electrical power installations with unprotected and active terminals. Fundamentals [004] As is known to technicians in the field, energized terminals are extreme and non-isolated points of any electrical systems (for example: connectors, terminals, conductors or other parts of electrical circuits located in switchboards and meter boxes, among others) that cannot be disconnected. Under these conditions, any need to carry out maintenance and/or alteration actions on the installations must be done with the electrical voltage present and active, which ends up increasing the risk of short-circuit or electric arc formation and subjecting the environment and, mainly, the operator to high risks. [005] There is therefore a need to promote the isolation of energized terminals in a practical, effective and safe manner in order to minimize the risk of unwanted accidents occurring during the performance of any actions in environments subject to constant and uninterrupted flows of electrical energy. [006] As a result, it is observed that in the current technique there is still room for improvements capable of making the isolation solutions for energized terminals more practical and easier to use, with greater speed and safety, aiming to guarantee the physical integrity of the system operators and the installation itself. State of the art [007] A known solution from the prior art has been developed by the holder of the present invention and described in document BR102023026933-8, which deals with an isolation device comprising two parts – an isolation part and a fastening part – cooperating with each other by means of a resilient element and a pin. The isolation part comprises an end provided with a circular opening that gives access to a cylindrical compartment to encapsulate the energized terminal to be isolated, one of the longitudinal surfaces of the isolation part being provided with a pin and a substantially cylindrical projection intended to hold and position a spring. The fastening piece comprises a longitudinal surface in which are located a female medial cavity cooperating with the pin of the insulating piece, and a cylindrical projection that cooperates simultaneously with the substantially cylindrical projection and with the spring, wherein in the anterior half the fastening piece comprises a front wall whose end is provided with a central concavity that accommodates itself over a portion of the perimeter of the conductor of the terminal to be insulated. [008] It was observed that, despite the practicality and efficiency of the object of BR102023026933-8, it does not provide any means of fixing the device to nearby structures to keep it stable and immobile during the terminal isolation period. Furthermore, since it consists of two independent, removablely coupled parts subject to the forces of a spring, there is a possibility that, due to excessive forces, this spring may cause the unwanted decoupling of the parts, causing the immediate release of the terminal and the consequent loss of isolation. [009] In view of the foregoing, it is observed that there is room for an improvement introduced in a device for isolating unprotected and energized electrical terminals that: a) has a simpler and lower cost manufacturing method; b) comprises a single piece, thus eliminating the risk of loss due to improper disconnection; and c) is provided with means of fixing to local structures to keep the isolated terminal stable and immobile. Utility Model Objectives [010] Therefore, the objective of the present utility model is to provide an improvement introduced in a device for isolating unprotected and energized electrical terminals according to the characteristics of claim 1 of the attached claims, which introduces significant improvements in the use and manufacture of known similar solutions. [011] Other features and details of the features are represented by the dependent claims of the invention described herein. Brief description of the figures [012] For better understanding and visualization of the object of the present utility model, it