CN112908620A

CN112908620A - Anti-electric shock transformer shell

Info

Publication number: CN112908620A
Application number: CN202110191243.8A
Authority: CN
Inventors: 刘国华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-04

Abstract

The invention discloses an electric shock prevention transformer shell, wherein a servo motor is a positive and negative rotation motor with angle control, an output shaft of the servo motor upwards penetrates through a mounting plate, the tail end of the servo motor is fixedly connected with an eccentric block, a rectangular groove is formed in the position, corresponding to the eccentric block, of the inner wall of the right side of a shell, a partition plate is fixedly connected inside the rectangular groove, a wedge-shaped block is arranged in the rectangular groove in the left side of the partition plate in a sliding assembly mode, a guide rod is horizontally and fixedly connected to the center of the right end face of the wedge-shaped block, the guide rod rightwards penetrates through, under the effect of spring one, the inclined plane of wedge stretches out the rectangular channel to the left, and stopper and the laminating of baffle right-hand member face this moment, stopper right-hand member face center department level rigid coupling a telescopic link, contact block, spring two of outside suit of telescopic link, a power off switch is installed corresponding to the position of contact block to tank bottom one side of rectangular channel. The invention has the advantages of convenient use and high safety.

Description

Anti-electric shock transformer shell

Technical Field

The invention relates to an electric shock prevention transformer shell, which is applied to the technical field of power equipment.

Background

The transformer is a device for converting alternating voltage, current and impedance, and when alternating current is conducted to the primary coil, alternating magnetic flux is generated in the iron core, so that voltage is induced in the secondary coil. The traditional transformer is designed in a box type shell in a centralized way, has small volume, light weight, low noise, low loss and high reliability, and is widely applied to residential districts, commercial centers, light stations, airports, factories and mines, enterprises, hospitals, schools and other places. On the existing market, all be equipped with the naked lock on box transformer's the chamber door, can prevent that non-maintainer from touching the transformer in the shell, nevertheless along with time lapse, the weather and long-time adverse circumstances, the bright lock on the box transformer can damage, lead to the chamber door to be opened very easily, when box transformer live working, if there is non-maintainer (especially child) mistake to open the chamber door, the condition of electrocuteeing easily appears, certain potential safety hazard has, to above-mentioned defect, this application proposes a protection against electric shock transformer shell specially.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention discloses an electric shock prevention transformer shell which has the advantages of convenience in use and high safety.

The invention discloses an electric shock prevention transformer shell, which comprises: casing, hinge, chamber door, mounting panel, servo motor, eccentric block, rectangular channel, baffle, wedge, guide arm, stopper, spring one, telescopic link, touch piece, spring two, power off switch, the casing outside is uncovered form, and opens the department in the outside of casing and rotate a chamber door of installation through the hinge, the outside left side of casing is arranged in to the hinge, install the naked lock on the chamber door, mounting panel of interior terminal surface right side rigid coupling of chamber door, servo motor is assembled to the terminal inboard under the mounting panel, servo motor is the positive motor that just reverses that has angular control, servo motor's output shaft upwards passes mounting panel and an eccentric block of terminal rigid coupling, open the position that casing right side inner wall corresponds to the eccentric block has a rectangular channel, a baffle of the inside rigid coupling of rectangular channel is arranged in left rectangular channel of baffle and is sliding fit a wedge, wedge left end face is inclined plane and inclined plane towards the inboard inner wall of casing, wedge right-hand member face center department horizontal rigid coupling a guide arm, the guide arm pass the baffle right and with baffle sliding fit, the guide arm stretches out stopper of right-hand member rigid coupling of baffle right, arranges spring one of suit on the guide arm between wedge and the baffle in, under the effect of spring one, the inclined plane of wedge stretches out the rectangular channel left, and stopper and the laminating of baffle right-hand member face this moment, stopper right-hand member face center department horizontal rigid coupling a telescopic link, contact block is supported to telescopic link right-hand member rigid coupling, spring two of outside suit of telescopic link, tank bottom one side of rectangular channel is corresponding to the power off switch of position installation of contact block, it is gapped to reserve between power off switch and the contact block.

The right end face of the box door is of a semi-circular arc face structure, and the semi-circular arc face is tangent to the inner wall of the right side of the shell.

And a forward rotation 180-degree button and a reverse rotation 180-degree button are arranged on the outer side of the box door, and the two buttons are respectively and electrically connected with the servo motor.

The guide rail is fixedly connected to the left sides of the inner side and the outer side of the rectangular groove, sliding grooves matched with the guide rail are formed in the inner end face and the outer end face of the wedge block, and the wedge block is connected with the guide rail in a sliding mode through the sliding grooves.

And a reset button for resetting the power-off switch is installed on the outer side of the box door and is electrically connected with the power-off switch.

By adopting the technical scheme, the method has the following advantages:

1. the use is convenient;

2. the safety is high.

Drawings

FIG. 1 is a schematic cross-sectional view of an anti-electric shock transformer case according to the present invention;

FIG. 2 is an enlarged schematic view of the interior of the rectangular slot of FIG. 1;

fig. 3 is a schematic view of the connection structure at the mounting plate in the present invention.

Wherein: 1-a shell; 2-a hinge; 3-a box door; 4-mounting a plate; 5-a servo motor; 6-eccentric block; 7-a rectangular groove; 8-a separator; 9-a wedge block; 10-a guide rod; 11-a limiting block; 12-a first spring; 13-a telescopic rod; 14-a contact block; 15-spring two; 16-a power-off switch; 51-forward 180 degree button; 52-reverse 180 ° button; 91-a guide rail; 161-reset button.

Detailed Description

As shown in fig. 1 to 3, the present invention discloses an electric shock prevention transformer housing, comprising: casing 1, hinge 2, chamber door 3, mounting panel 4, servo motor 5, eccentric block 6, rectangular channel 7, baffle 8, wedge 9, guide arm 10, stopper 11, spring 12, telescopic link 13, touch block 14, spring two 15, power off switch 16, the casing 1 outside is for opening the mouth, and opens the mouth and rotate a chamber door 3 of installation through hinge 2 in the outside of casing 1, casing 1 outside left side is arranged in to hinge 2, install the bright lock (not drawn in the figure on the chamber door 3, for the known structure in market), mounting panel 4 of the interior terminal surface right side rigid coupling of chamber door 3, servo motor 5 is assembled to mounting panel 4 terminal surface inboard, servo motor 5 is for the just reversing motor that has angle control, servo motor 5's output shaft upwards passes mounting panel 4 and terminal rigid coupling eccentric block 6, casing 1 right side inner wall is opened a rectangular channel 7 corresponding to eccentric block 6's position, a baffle 8 of 7 inside rigid couplings of rectangular channel, arrange a wedge 9 of sliding assembly in the left rectangular channel 7 of baffle 8 in, wedge 9 left end face is inclined plane and inclined plane towards the inboard inner wall of casing 1, a horizontal rigid coupling guide arm 10 of 9 right end face centers of wedge department, guide arm 10 passes baffle 8 right and with baffle 8 sliding fit, stopper 11 of right-hand member rigid coupling that baffle 8 was stretched out to guide arm 10 right, suit a spring 12 on the guide arm 10 between wedge 9 and baffle 8 is arranged in, under the effect of spring 12, rectangular channel 7 is stretched out to the left in the inclined plane of wedge 9, and stopper 11 and the laminating of 8 right-hand member face of baffle this moment, a telescopic link 13 of 11 right end face centers of stopper, a butt block 14 of 13 right-hand member rigid coupling, a spring two 15 of telescopic link 13's outside suit, a power-off switch 16 is arranged at one side of the bottom of the rectangular groove 7 corresponding to the position of the collision block 14, and a gap is reserved between the power-off switch 16 and the collision block 14.

The right end face of the box door 3 is of a semi-circular arc face structure, and the semi-circular arc face is tangent to the inner wall of the right side of the shell 1.

A forward rotation 180-degree button 51 and a reverse rotation 180-degree button 52 are mounted on the outer side of the box door 3, and the two buttons are respectively and electrically connected with the servo motor 5.

The equal rigid coupling in cell wall left side of the inside and outside both sides of rectangular channel 7 guide rail 91, all open the spout that matches with guide rail 91 on the inside and outside both ends face of wedge 9, wedge 9 passes through spout and guide rail 91 sliding connection.

A reset button 161 for resetting the power-off switch 16 is installed on the outer side of the door 3, the reset button 161 is electrically connected to the power-off switch 16, and the reset button 161 can reset the power-off switch 16 to an initial state.

The invention is implemented as follows: the transformer is arranged in the shell 1, after the box door 3 is closed and locked, the forward rotation 180-degree button 51 is pressed, the servo motor 5 is controlled to rotate forward 180 degrees, the servo motor 5 drives the eccentric block 6 to rotate clockwise 180 degrees at the moment, the narrow end of the eccentric block 6 is arranged on the right side, when the box door 3 is damaged by open lock or the open lock is not damaged but the box door 3 is damaged by external force, if the box door 3 is opened, the box door 3 overturns outwards to drive the eccentric block 6 to overturn synchronously, an arc line with an arrow in the figure 1 is an overturning route of the mounting plate 4, therefore, the eccentric block 6 can compress the inclined plane of the wedge block 9 when the narrow end of the eccentric block 6 is arranged on the right side and overturns outwards, the wedge block 9 moves rightwards, the guide rod 10, the limiting block 11 and the abutting block 14 move rightwards, the abutting block 14 and the power-off switch 16 are touched to press the. When the maintainer overhauls, can press 180 buttons of reversal at first, arrange the narrower one end of eccentric block 6 in the left side, open chamber door 3 like this and can not touch wedge 9, can not cause the phenomenon of outage. By adopting the technical scheme, the anti-electric shock performance of the transformer shell can be improved, and the safety is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims

1. An electric shock resistant transformer enclosure comprising: casing, hinge, chamber door, mounting panel, servo motor, eccentric block, rectangular channel, baffle, wedge, guide arm, stopper, spring one, telescopic link, touch piece, spring two, power off switch, the casing outside is uncovered form, and opens the department in the outside of casing and rotate a chamber door of installation through the hinge, the outside left side of casing is arranged in to the hinge, install open lock, its characterized in that on the chamber door: the mounting panel of interior terminal surface right side rigid coupling of chamber door, servo motor of mounting panel lower extreme inboard equipment, servo motor is for having angle control's positive reverse motor, servo motor's output shaft upwards passes an eccentric block of mounting panel and terminal rigid coupling, casing right side inner wall is opened corresponding to the position of eccentric block has a rectangular channel, a baffle of the inside rigid coupling of rectangular channel is arranged in and is slided a wedge of sliding assembly in the left rectangular channel of baffle, wedge left end face is inclined plane and inclined plane towards the inboard inner wall of casing, a horizontal rigid coupling guide arm of wedge right end face center department, the guide arm passes the baffle right and with baffle sliding fit, the guide arm stretches out a stopper of right-hand member rigid coupling of baffle right, arranges a spring of suit on the guide arm between wedge and the baffle in, under spring effect, the inclined plane of wedge stretches out the rectangular channel left, and stopper and the laminating of baffle right-hand member face this moment, stopper right-hand member face center department level rigid coupling telescopic link, touch panel supports of telescopic link right-hand member rigid coupling, spring two of outside suit of telescopic link, tank bottom one side of rectangular channel is corresponding to power off switch of the position installation of touch panel, it is gapped to reserve between power off switch and the conflict piece.

2. A shock-resistant transformer housing as claimed in claim 1, wherein: the right end face of the box door is of a semi-circular arc face structure, and the semi-circular arc face is tangent to the inner wall of the right side of the shell.

3. A shock-resistant transformer housing as claimed in claim 1, wherein: and a forward rotation 180-degree button and a reverse rotation 180-degree button are arranged on the outer side of the box door, and the two buttons are respectively and electrically connected with the servo motor.

4. A shock-resistant transformer housing as claimed in claim 1, wherein: the guide rail is fixedly connected to the left sides of the inner side and the outer side of the rectangular groove, sliding grooves matched with the guide rail are formed in the inner end face and the outer end face of the wedge block, and the wedge block is connected with the guide rail in a sliding mode through the sliding grooves.

5. A shock-resistant transformer housing as claimed in claim 1, wherein: and a reset button for resetting the power-off switch is installed on the outer side of the box door and is electrically connected with the power-off switch.