CN213483637U

CN213483637U - Electrified locking device

Info

Publication number: CN213483637U
Application number: CN202022723023.9U
Authority: CN
Inventors: 苏太育; 倪敏敏; 李云禄; 张春玉; 乐丽珍
Original assignee: Fujian Fengxing Electromechanical Equipment Co ltd
Current assignee: Fujian Fengxing Electromechanical Equipment Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-18
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a live locking device in the technical field of electrical equipment, which comprises a cabinet body, wherein the cabinet body is internally provided with a frame, an instrument room and a cable chamber, the frame is provided with a grounding operation shaft and a mounting plate, the grounding operation shaft is provided with a spring and a door lock sleeve, the door lock sleeve is supported on a grounding operation hole by the spring, and the grounding operation hole is arranged on the frame; be equipped with locking coil on the mounting panel, be equipped with the coil guide arm on the locking coil, and the coil guide arm keeps off in lock sleeve rear end, and the inside of instrument room is equipped with electrified display, the inside of electrified display is equipped with auxiliary switch, and auxiliary switch establishes ties with locking coil, electrified display is used for controlling locking coil, through the setting of locking coil, door lock sleeve, sensor isotructure for this electrified blocking device installs completely inside the switch, and is controlled by electrified display, makes operating personnel comparatively safe when operating ground switch.

Description

Electrified locking device

Technical Field

The utility model relates to an electrical equipment technical field specifically is a electrified blocking device.

Background

In order to ensure personal safety, five anti-error functions are provided for high-voltage electrical equipment, namely, the five anti-error functions are used for preventing mistakenly opening and closing a circuit breaker; the isolating switch is prevented from being switched on and off under load; preventing the charged hanging (closing) of a grounding wire (a grounding switch); preventing power transmission with ground wire; prevent the wrong entering into the electrified interval.

The electrified locking device is used for locking the grounding switch to operate under the condition that the cable is electrified, so that the grounding switch is prevented from being operated under the condition of electrification.

The traditional electrified locking devices, such as the electrified locking devices of DSN-AMY/Z and DAN-BMY/Z models, are operated manually, and if the operation is improper, the traditional electrified locking devices can still be unlocked manually, so that potential safety hazards exist.

Based on this, the utility model designs a electrified blocking device in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a electrified blocking device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a live locking device comprises a cabinet body, wherein a rack, an instrument room and a cable room are arranged inside the cabinet body, a grounding operation shaft and a mounting plate are arranged on the rack, a spring and a door lock sleeve are arranged on the grounding operation shaft, the door lock sleeve is pressed against a grounding operation hole by the spring, and the grounding operation hole is formed in the rack; the locking device is characterized in that a locking coil is arranged on the mounting plate, a coil guide rod is arranged on the locking coil, and the coil guide rod is blocked at the rear end of the door lock sleeve.

Preferably, an electrified display is arranged in the instrument room, an auxiliary switch is arranged in the electrified display and is connected with the locking coil in series, and the electrified display is used for controlling the locking coil.

Preferably, the cable chamber is internally provided with a sensor and a cable, and the sensor is used for monitoring whether the cable is electrified or not.

Preferably, when the locking coil is not electrified, the coil guide rod is blocked at the rear end of the door lock sleeve, the door lock sleeve is blocked on the grounding operation hole, the operation handle cannot be inserted, and the grounding switch cannot be switched on; when the locking coil is electrified, the coil guide rod is retracted, the operating handle is inserted at the moment, the door lock sleeve moves backwards, the grounding switch can be operated, and after the operating handle is taken out, the door lock sleeve returns to the original position under the action of the spring.

Preferably, when the live display monitors that the cable is electrified, the auxiliary switch is switched off, the locking coil is not electrified, the coil guide rod is blocked at the rear end of the door lock sleeve, the door lock sleeve is blocked on the grounding operation hole, the operation handle cannot be inserted, the grounding switch cannot be switched on, and the live switch-on grounding switch is avoided; when the monitoring cable of the electrified display is not electrified, the auxiliary switch is closed, the locking coil is electrified, the coil guide rod is retracted, the operating handle is inserted at the moment, the door lock sleeve moves backwards, and the grounding switch can be operated.

Compared with the prior art, the beneficial effects of the utility model are that: through the setting of structures such as locking coil, door lock cover, sensor for this electrified blocking device installs inside the switch completely, and by electrified display control, makes operating personnel comparatively safe when operating the switch of earthing.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic structural section view of the cable in an electrified state according to the present invention;

fig. 3 is a schematic structural section view of the cable in an uncharged state according to the present invention;

fig. 4 is a schematic structural view of the middle cabinet body of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a ground operating shaft; 2. a latching coil; 3. a frame; 4. a guide bar; 5. mounting a plate; 6. a door lock sleeve; 7. a spring; 8. a charged display; 9. a sensor; 10. an electrical cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution of an electrified locking device: the cabinet comprises a cabinet body, wherein a rack 3, an instrument room and a cable room are arranged inside the cabinet body, a grounding operation shaft 1 and a mounting plate 5 are arranged on the rack 3, a spring 7 and a door lock sleeve 6 are arranged on the grounding operation shaft 1, the door lock sleeve 6 is propped against a grounding operation hole by the spring 7, and the grounding operation hole is formed in the rack 3; a locking coil 2 is arranged on the mounting plate 5, a coil guide rod 4 is arranged on the locking coil 2, and the coil guide rod 4 is blocked at the rear end of the door lock sleeve 6; an electrified display 8 is arranged in the instrument room, an auxiliary switch is arranged in the electrified display 8, the auxiliary switch is connected with the locking coil 2 in series, and the electrified display 8 is used for controlling the locking coil 2; the inside of the cable chamber is provided with a sensor 9 and a cable 10, and the sensor 9 is used for monitoring whether the cable 10 is electrified.

When the locking coil 2 is not electrified, the coil guide rod 4 is blocked at the rear end of the door lock sleeve 6, the door lock sleeve 6 is blocked on the grounding operation hole, the operation handle cannot be inserted, and the grounding switch cannot be switched on; when the locking coil 2 is electrified, the coil guide rod 4 is retracted, the operating handle is inserted at the moment, the door lock sleeve 6 moves backwards, the grounding switch can be operated, and after the operating handle is taken out, the door lock sleeve 6 returns to the original position under the action of the spring 7.

When the electrified display 8 monitors that the cable 10 is electrified, the auxiliary switch is switched off, the locking coil 2 is not electrified, the coil guide rod 4 is blocked at the rear end of the door lock sleeve 6, the door lock sleeve 6 is blocked on the grounding operation hole, the operation handle cannot be inserted, the grounding switch cannot be switched on, and the electrified switching-on grounding switch is avoided; when the monitoring cable 10 of the electrified display 8 is not electrified, the auxiliary switch is closed, the locking coil 2 is electrified, the coil guide rod 4 is retracted, the operating handle is inserted at the moment, the door lock sleeve 6 moves backwards, and the grounding switch can be operated.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a live locking device, includes the cabinet body, and the inside of the cabinet body is equipped with frame (3), instrument room and cable chamber, its characterized in that: the grounding operation shaft (1) and the mounting plate (5) are arranged on the rack (3), a spring (7) and a door lock sleeve (6) are arranged on the grounding operation shaft (1), the door lock sleeve (6) is pushed against a grounding operation hole by the spring (7), and the grounding operation hole is formed in the rack (3);

be equipped with on mounting panel (5) shutting coil (2), be equipped with coil guide arm (4) on shutting coil (2), and coil guide arm (4) keep off in door lock cover (6) rear end.

2. The live lockout device of claim 1, wherein: the inside of instrument room is equipped with electrified display (8), the inside of electrified display (8) is equipped with auxiliary switch, and auxiliary switch and blocking coil (2) are established ties, electrified display (8) are used for controlling blocking coil (2).

3. The live lockout device of claim 1, wherein: a sensor (9) and a cable (10) are arranged inside the cable chamber, and the sensor (9) is used for monitoring whether the cable (10) is electrified or not.

4. An electric locking device according to any one of claims 1-2, characterized in that: when the locking coil (2) is not electrified, the coil guide rod (4) is blocked at the rear end of the door lock sleeve (6), the door lock sleeve (6) is blocked on the grounding operation hole, the operation handle cannot be inserted, and the grounding switch cannot be switched on;

when the locking coil (2) is electrified, the coil guide rod (4) is retracted, the operating handle is inserted at the moment, the door lock sleeve (6) moves backwards, the grounding switch can be operated, and after the operating handle is taken out, the door lock sleeve (6) returns to the original position under the action of the spring (7).

5. An electric locking device according to any one of claims 1 to 3, wherein: when the monitoring cable (10) of the electrified display (8) is electrified, the auxiliary switch is switched off, the locking coil (2) is not electrified, the coil guide rod (4) is blocked at the rear end of the door lock sleeve (6), the door lock sleeve (6) is blocked on the grounding operation hole, the operation handle cannot be inserted, the grounding switch cannot be switched on, and the electrified switching-on grounding switch is avoided;

when the monitoring cable (10) of the electrified display (8) is not electrified, the auxiliary switch is closed, the locking coil (2) is electrified, the coil guide rod (4) is retracted, the operating handle is inserted at the moment, the door lock sleeve (6) moves backwards, and the grounding switch can be operated.