CN210182857U

CN210182857U - Low-voltage comprehensive distribution box locking device

Info

Publication number: CN210182857U
Application number: CN201921500097.7U
Authority: CN
Inventors: Zhihui Wu; 吴志辉; Xiaowei Chen; 陈晓伟; Jianlan Chen; 陈建兰
Original assignee: Guangdong Jingyi Power Equipment Co Ltd
Current assignee: Guangdong Jingyi Power Equipment Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-03-24
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a low-voltage comprehensive distribution box locking device in the technical field of electrical equipment protection, which comprises a distribution box body provided with an isolating switch, wherein the top of the inner wall of the distribution box body is fixedly connected with a step-down AC-DC converter, two groups of human body inductive switches and a lighting lamp, a switching device is fixedly connected between the outer wall of the isolating switch of the distribution box body and a disconnecting link, the lower part of the right side of the inner wall of the distribution box body is fixedly connected with a starting button, a box door of the distribution box is opened by maintenance workers, the human body inductive switch is connected with a miniature electric push rod extension circuit, the isolating switch is powered off, the maintenance is in an equipment power-off state, the probability of electric shock is reduced, the lighting lamp is started simultaneously, after the maintenance is finished, the miniature electric push rod contraction circuit, the practicability is strong.

Description

Low-voltage comprehensive distribution box locking device

Technical Field

The utility model relates to an electrical equipment protects technical field, specifically is a block terminal blocking device is synthesized to low pressure.

Background

The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement, so that the low-voltage comprehensive distribution box is an essential device in circuit design construction. The existing low-voltage comprehensive distribution box is lack of a protection device, namely, a disconnecting switch on a box body is not provided with a safety mechanism, so that switching-on or switching-off can be easily carried out, and live working is usually prohibited when equipment maintenance is carried out, so that switching-off is required. In order to guarantee maintenance workman's life safety, reduce loss of property, need to synthesize the block terminal increase to the low pressure and set up safety protection mechanism urgently, based on this, the utility model discloses a block terminal blocking device is synthesized to low pressure to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a block terminal blocking device is synthesized to low pressure to solve the urgent need that proposes among the above-mentioned background art and synthesize the block terminal to low pressure and increase the problem that sets up safety protection mechanism.

In order to achieve the above object, the utility model provides a following technical scheme: a low-voltage comprehensive distribution box locking device comprises a distribution box body provided with an isolating switch, wherein a step-down AC-DC converter, two groups of human body inductive switches and a lighting lamp are fixedly connected to the top of the inner wall of the distribution box body, an opening and closing device is fixedly connected between the outer wall of the isolating switch of the distribution box body and a disconnecting link, a starting button is fixedly connected to the lower portion of the right side of the inner wall of the distribution box body, the opening and closing device comprises an L-shaped inserted rod with a horizontal section on the inner wall and an L-shaped sleeve with a horizontal section on the inner wall, the L-shaped inserted rod is inserted into the inner cavity of the L-shaped sleeve and fixed by a limiting bolt, the outer wall of the L-shaped sleeve is rotatably connected with a circular ring through a bearing, an orifice plate is horizontally welded on the end face of the circular ring, the orifice plate is connected with the outer, the lower surface of the square block is rotatably connected with a C-shaped clamping block through a spherical hinge, and the voltage reduction AC-DC converter, the two groups of human body induction switches, the illuminating lamp, the micro electric push rod and the start button are connected through a relay control circuit.

Furthermore, the illuminating lamp adopts an LED mosquito repelling lamp.

Furthermore, the L-shaped inserted bar and the L-shaped sleeve are both made of hard insulating plastics.

Furthermore, an inner hexagonal plastic wrench is fixedly glued at the head part of the limiting bolt between the L-shaped inserted bar and the L-shaped sleeve.

Further, the relay control circuit comprises a thermal relay FR1, a fuse FU1, a fuse FU2, a normally closed button SB1, a relay KM1, a relay KM2, a relay KM3, a time relay KT1 and a time relay KT2, the thermal relay FR1, the fuse FU1, the fuse FU2, the normally closed button SB1, the relay KM1, the relay KM2, the relay KM3, the time relay KT1 and the KT2 are connected through conducting wires, and a power supply access end of the relay control circuit is connected with the step-down AC-DC converter.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a maintenance workman opens the block terminal chamber door, and the miniature electric putter of human inductive switch-on extends the circuit, makes the isolator outage, overhauls to be in equipment power-off state, reduces the probability that takes place the electric shock, starts the light simultaneously, accomplishes the back when the maintenance, makes miniature electric putter shrink circuit switch-on through start button, and the isolator is closed, the device easy operation, and degree of automation is high, and the practicality is strong.

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 structural view of the present invention;

FIG. 2 is a schematic view of the structure of the opening and closing device of FIG. 1;

fig. 3 is a schematic circuit diagram of the present invention.

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

1-a distribution box body, 2-a step-down AC-DC converter, 3-a human body induction switch, 4-a lighting lamp, 5-a switching device, 6-a starting button, 50-an L-shaped inserted rod, 51-an L-shaped sleeve, 52-a circular ring, 53-a pore plate, 54-a plastic handle bolt, 55-a miniature electric push rod, 56-a square block and 57-a C-shaped clamping block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a low-voltage comprehensive distribution box locking device comprises a distribution box body 1 provided with an isolating switch, the top of the inner wall of the distribution box body 1 is fixedly connected with a step-down AC-DC converter 2, two groups of human body inductive switches 3 and a lighting lamp 4, an opening and closing device 5 is fixedly connected between the outer wall of the isolating switch of the distribution box body 1 and a disconnecting link, the lower part of the right side of the inner wall of the distribution box body 1 is fixedly connected with a starting button 6, the opening and closing device 5 comprises an L-shaped inserted rod 50 with a horizontal section on the inner wall and an L-shaped sleeve 51 with a horizontal section on the inner wall, the L-shaped inserted rod 50 is inserted into the inner cavity of the L-shaped sleeve 51 and fixed by a limiting bolt, the outer wall of the L-shaped sleeve 51 is rotatably connected with a circular ring 52 by a bearing, the end face of the circular ring 52 is horizontally welded with a pore plate 53, the pore plate 53 is connected, the welding of miniature electric putter 55's flexible outer end has the square 56, the lower surface of square 56 is connected with C type fixture block 57 through the rotation of ball pivot, step-down AC-DC converter 2, two sets of human inductive switch 3, light 4, connect through relay control circuit between miniature electric putter 55 and the start button 6, utilize C type fixture block 57 to cup joint on isolator's switch from the side direction, reuse limit bolt with L type inserted bar 50 and L type sleeve 51 with whole fixing on isolator outer wall, adjust plastics handle bolt 54, make miniature electric putter 55 can open and close the switch when extension and flexible.

Wherein, the illuminating lamp 4 adopts an LED mosquito-repellent lamp, and can reduce mosquito bites when being maintained at night in summer.

The L-shaped inserted rod 50 and the L-shaped sleeve 51 are both made of hard insulating plastics, so that electric shock is avoided.

The head of the limiting bolt between the L-shaped insert rod 50 and the L-shaped sleeve 51 is fixedly glued with an inner hexagonal plastic wrench, so that the operation of manual rotation is facilitated.

The relay control circuit comprises a thermal relay FR1, a fuse FU1, a fuse FU2, a normally closed button SB1, a relay KM1, a relay KM2, a relay KM3, time relays KT1 and KT2, a thermal relay FR1, a fuse FU1, a fuse FU2, a normally closed button SB1, a relay KM1, a relay KM2, a relay KM3, a time relay KT1 and a KT2 which are connected through leads, a power supply access end of the relay control circuit is connected with a step-down AC-DC converter 2, the input electric end of the step-down AC-DC converter 2 is connected with commercial power by combining a graph 3, time relays KT1 and KT2 are set to be the same in duration, a maintenance worker opens a box door, two groups of human body inductive switches 3 are switched on, the relay KM1 is electrified, a micro electric push rod 55 is extended to enable an isolating switch to be switched off, the time relay KT1, when the worker finishes the maintenance, the start button 6 is pressed down, the box door is closed, the relay KM2 is electrified, the miniature electric push rod 55 is contracted, the disconnecting link is driven to be closed, and the circuit is automatically switched on.

It is worth noting that: adopt YFH-DC028 type human inductive switch that Shenzhen garden Hua Ke technology Limited provided, adopt the miniature electric putter of tai constancy 1500N 250MM type, adopt the step-down AC-DC converter that Dongguan city Xundi electronics Limited provided, whole device passes through relay control circuit and realizes its control, because the equipment that relates to in the relay control circuit is equipment commonly used, belongs to current mature technology, no longer gives unnecessary details its specific circuit structure and mounting means here.

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 block terminal blocking device is synthesized to low pressure, is including block terminal body (1) that is provided with isolator, its characterized in that: the automatic switch cabinet is characterized in that a step-down AC-DC converter (2), two groups of human body induction switches (3) and an illuminating lamp (4) are fixedly connected to the top of the inner wall of the distribution box body (1), an opening and closing device (5) is fixedly connected between the outer wall of an isolating switch of the distribution box body (1) and a disconnecting link, a starting button (6) is fixedly connected to the lower portion of the right side of the inner wall of the distribution box body (1), the opening and closing device (5) comprises an L-shaped inserted rod (50) with a horizontal tangent plane on the inner wall and an L-shaped sleeve (51) with a horizontal tangent plane on the inner wall, the L-shaped inserted rod (50) is inserted into the inner cavity of the L-shaped sleeve (51) and fixed by a limiting bolt, the outer wall of the L-shaped sleeve (51) is rotatably connected with a circular ring (52) through a bearing, a pore plate (53) is horizontally welded on the end face of the circular, the outer wall of ring (52) has miniature electric putter (55) along radial welding, the flexible outer end welding of miniature electric putter (55) has square (56), the lower surface of square (56) is connected with C type fixture block (57) through the ball pivot rotation, step-down AC-DC converter (2), two sets of human inductive switch (3), light (4), miniature electric putter (55) and start button (6) are connected through relay control circuit.

2. The undervoltage switchgear assembly according to claim 1, wherein: the illuminating lamp (4) adopts an LED mosquito repelling lamp.

3. The undervoltage switchgear assembly according to claim 1, wherein: the L-shaped inserted rod (50) and the L-shaped sleeve (51) are both made of hard insulating plastics.

4. The undervoltage switchgear assembly according to claim 1, wherein: an inner hexagonal plastic wrench is fixedly glued at the head part of the limiting bolt between the L-shaped insert rod (50) and the L-shaped sleeve (51).

5. The undervoltage switchgear assembly according to claim 1, wherein: the relay control circuit comprises a thermal relay FR1, a fuse FU1, a fuse FU2, a normally closed button SB1, a relay KM1, a relay KM2, a relay KM3, a time relay KT1 and a KT2, wherein the thermal relay FR1, the fuse FU1, the fuse FU2, the normally closed button SB1, the relay KM1, the relay KM2, the relay KM3, the time relay KT1 and the KT2 are connected through wires, and a power supply access end of the relay control circuit is connected with the step-down AC-DC converter (2).