CN220711102U

CN220711102U - Power-off protector

Info

Publication number: CN220711102U
Application number: CN202322299406.1U
Authority: CN
Inventors: 高明林; 王涛; 郑思文; 孟少林; 申瑞清
Original assignee: Anhui Haoyuan Chemical Industry Group Co ltd
Current assignee: Anhui Haoyuan Chemical Industry Group Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-04-02
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a power-off protector, which comprises a protector shell, wherein positioning blocks are arranged on the upper side and the lower side in the protector shell, conductive columns are arranged on the two sides in the positioning blocks, one side outside the conductive columns is connected with a telescopic push rod, one side outside the positioning blocks is connected with a conductive block, and one side outside the conductive block is connected with a plug-in end; the current detection head is arranged at one end of the conductive block, and an alarm is arranged at one side above the protector shell; the middle part of fixed plate one end is installed the backplate, and the outside of backplate is provided with spacing cardboard, and the outside of spacing cardboard is connected with return spring. This power-off protector compares with current device, can play spacing effect to the backplate through spacing cardboard, and return spring can drive spacing cardboard and fixed plate relative movement through self elasticity to can load and unload the backplate through removing spacing cardboard, conveniently when needing to overhaul, open the protector casing.

Description

Power-off protector

Technical Field

The utility model relates to the technical field of power-off protection, in particular to a power-off protector.

Background

The power-off protector is a safe automatic cut-off protector, which is mainly applicable to devices such as electric appliances and instrument equipment of various power supplies, and can play a role in protecting under the condition of abnormal voltage.

The Chinese patent with publication number CN218352156U discloses an emergency power-off protector, which comprises an insulating shell, a buzzer arranged on the inner wall of the insulating shell, a base matched with the insulating shell in a clamping way, and further comprises: the insulation shell is internally provided with a lifting plate, an electromagnet group is arranged between the lifting plate and the insulation shell, the lower surface of the lifting plate is fixedly provided with a conductive plate, the left end and the right end of the conductive plate are both provided with bulges, the upper surface and the lower surface of the bulges are both provided with insulation layers, and a triggering mechanism is arranged in the insulation shell; the clamping pieces are symmetrically arranged on the upper surface of the base and are in sliding fit with the protrusions arranged at the two ends of the conducting plate. The utility model can automatically power off and give out an alarm when the external current changes excessively through the cooperation of the parts, protect the equipment, and simultaneously, can automatically restore the power supply when the current is restored to be normal, thereby ensuring the normal use of the equipment.

Although the power-off protector can automatically power off the equipment and give an alarm to protect the equipment when the external current changes too much, the equipment shells are connected and fixed by using a plurality of bolts, and the equipment shells also need to be disassembled by taking tools when an emergency fault occurs, so that the equipment is difficult to carry out timely and effective maintenance, and the use is inconvenient.

Disclosure of Invention

The utility model aims to provide a power-off protector, which solves the problem that in the prior art, a plurality of bolts are used for connecting and fixing device shells, and if an emergency fault occurs, the device shells also need to be detached by taking tools, so that the device shells are difficult to overhaul effectively in time, and the use is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a power-off protector, comprising:

the protector comprises a protector shell, wherein positioning blocks are arranged on the upper side and the lower side in the protector shell, conductive columns are arranged on the two sides in the positioning blocks, one side outside the conductive columns is connected with a telescopic push rod, one side outside the positioning blocks is connected with a conductive block, and one side outside the conductive block is connected with a plug-in end;

the current detection head is arranged at one end of the conductive block, and an alarm is arranged at one side above the protector shell;

the fixed plate is connected to two sides of one end of the protector shell, the backboard is arranged in the middle of one end of the fixed plate, the limiting clamping plate is arranged on the outer side of the backboard, and the return spring is connected to the outer side of the limiting clamping plate.

Preferably, the plug end is connected with the conductive block, and the conductive block is electrically connected with the conductive column through the positioning block.

Preferably, the current detection head is electrically connected with the conductive block, and the current detection head is electrically connected with the alarm through a wire.

Preferably, the conductive posts are symmetrically distributed about a horizontal center line of the protector housing, and a telescopic structure is formed between the telescopic push rod and the conductive posts.

Preferably, the protector housing further comprises:

the cooling fans are arranged on two sides in the protector shell, ventilation openings are formed in two sides of the outer wall of the protector shell, and the positions of the cooling fans correspond to the positions of the ventilation openings.

Preferably, the limiting clamping plate is clamped with the backboard, an elastic structure is formed between the limiting clamping plate and the fixing plate through the return spring, and the limiting clamping plate is in sliding connection with the protector shell through the sliding groove.

Compared with the prior art, the utility model provides a power-off protector, which comprises the following components

The beneficial effects are that:

according to the utility model, the limiting clamping plate can be used for limiting the backboard, the return spring can drive the limiting clamping plate and the fixed plate to move relatively through the elasticity of the return spring, so that the backboard can be assembled and disassembled through moving the limiting clamping plate, the protector shell is conveniently opened when maintenance is needed, the situation that the device shells are connected and fixed by using a plurality of bolts is avoided, and if an emergency fault occurs, the device shell is also required to be disassembled by taking tools, so that the device is difficult to maintain effectively in time, and the problem of inconvenience in use is caused.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic rear view of the present utility model;

fig. 4 is a schematic structural diagram of the conductive pillars of the present utility model after being separated from each other.

In the figure: 1. a protector housing; 2. a plug-in end; 3. a conductive block; 4. a positioning block; 5. a telescopic push rod; 6. a conductive post; 7. a current detection head; 8. an alarm; 9. a cooling fan; 10. a vent; 11. a fixing plate; 12. a back plate; 13. a limiting clamping plate; 14. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a power-off protector includes: the protector comprises a protector shell 1, wherein a positioning block 4 is arranged on the upper side and the lower side in the protector shell 1, conductive columns 6 are arranged on the two sides in the positioning block 4, a telescopic push rod 5 is connected to one side outside the conductive columns 6, a conductive block 3 is connected to one side outside the positioning block 4, and a plug-in end 2 is connected to one side outside the conductive block 3; the plug-in end 2 is connected with the conductive block 3, and the conductive block 3 is electrically connected with the conductive column 6 through the positioning block 4; the power-off protector can be connected with an external circuit or equipment through the plug-in end head 2, and current transmission can be performed through the conductive block 3, the positioning block 4 and the conductive column 6; a current detection head 7 mounted at one end of the conductive block 3, and an alarm 8 mounted at one side above the protector housing 1; the current detection head 7 is electrically connected with the conductive block 3, and the current detection head 7 is electrically connected with the alarm 8 through a wire; the current detection head 7 can detect the current passing through the conductive block 3, for example, when the current is unstable, the current detection head 7 can control the alarm 8 to give an alarm through the internal controller, so as to play a role in warning; cooling fans 9 which are arranged at two sides in the protector shell 1, ventilation openings 10 are formed at two sides of the outer wall of the protector shell 1, and the positions of the cooling fans 9 correspond to those of the ventilation openings 10; the cooling fan 9 can blow off the hot air in the protector shell 1, and simultaneously the hot air is conveniently discharged outwards through the ventilation opening 10

The fixing plate 11 is connected to two sides of one end of the protector shell 1, a backboard 12 is arranged in the middle of one end of the fixing plate 11, a limiting clamping plate 13 is arranged on the outer side of the backboard 12, and a return spring 14 is connected to the outer side of the limiting clamping plate 13; the limiting clamping plate 13 is clamped with the backboard 12, an elastic structure is formed between the limiting clamping plate 13 and the fixed plate 11 through the return spring 14, and the limiting clamping plate 13 is in sliding connection with the protector shell 1 through a sliding groove; limiting clamping plate 13 can play a limiting role on backboard 12, return spring 14 can drive limiting clamping plate 13 and fixed plate 11 to move relatively through elasticity of self to can load and unload backboard 12 through removing limiting clamping plate 13, conveniently when needing to overhaul, open protector casing 1

The conductive posts 6 are symmetrically distributed about the horizontal center line of the protector shell 1, and a telescopic structure is formed between the telescopic push rod 5 and the conductive posts 6; simultaneously, the telescopic push rod 5 can drive the conductive posts 6 to be far away from each other for power failure

Working principle: when the power-off protector is used, the power-off protector is connected with an external circuit or equipment through the plug-in end head 2, and current transmission is carried out through the conductive block 3, the positioning block 4 and the conductive column 6; secondly, detecting the current transmitted through the conductive block 3 through the current detection head 7, if the current is unstable, the current detection head 7 controls the alarm 8 to give out an alarm through the internal controller to play a role in warning, and meanwhile, the telescopic push rod 5 is started, and the telescopic push rod 5 drives the conductive columns 6 to be far away from each other so as to cut off power; then in the use process, the cooling fan 9 can blow off the hot air in the protector shell 1, the hot air is conveniently discharged outwards through the ventilation opening 10, and the limiting clamping plate 13 can play a limiting role on the back plate 12; finally, when the protector shell 1 needs to be opened for maintenance, the limiting clamping plate 13 is moved to two sides, the return spring 14 is contracted, the limiting clamping plate 13 is relatively close to the fixed plate 11, and the backboard 12 can be removed, so that the working principle of the power-off protector is the working principle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A power-off protector, comprising:

the protector comprises a protector shell (1), wherein positioning blocks (4) are arranged on the upper side and the lower side in the protector shell (1), conductive columns (6) are arranged on the two sides in the positioning blocks (4), a telescopic push rod (5) is connected to one side outside the conductive columns (6), a conductive block (3) is connected to one side outside the positioning blocks (4), and a plug-in end (2) is connected to one side outside the conductive block (3);

a current detection head (7) which is installed at one end of the conductive block (3), and an alarm (8) is installed at one side above the protector housing (1);

the fixed plate (11) is connected to two sides of one end of the protector shell (1), a backboard (12) is arranged in the middle of one end of the fixed plate (11), a limiting clamping plate (13) is arranged on the outer side of the backboard (12), and a return spring (14) is connected to the outer side of the limiting clamping plate (13).

2. A power-off protector according to claim 1, characterized in that the plug-in terminal (2) is connected to the conductive block (3), and the conductive block (3) is electrically connected to the conductive column (6) through the positioning block (4).

3. A power-off protector according to claim 1, characterized in that the current detection head (7) is electrically connected with the conductive block (3), and the current detection head (7) is electrically connected with the alarm (8) through a wire.

4. A power-off protector according to claim 1, characterized in that the conductive posts (6) are symmetrically distributed about the horizontal center line of the protector housing (1), and that a telescopic structure is formed between the telescopic push rod (5) and the conductive posts (6).

5. A power-off protector according to claim 1, characterized in that the protector housing (1) is further provided with:

the cooling fans (9) are arranged on two sides in the protector shell (1), ventilation openings (10) are formed in two sides of the outer wall of the protector shell (1), and the positions of the cooling fans (9) correspond to the positions of the ventilation openings (10).

6. The power-off protector according to claim 1, characterized in that the limiting clamping plate (13) is clamped with the back plate (12), the limiting clamping plate (13) and the fixing plate (11) form an elastic structure through a return spring (14), and the limiting clamping plate (13) is slidably connected with the protector shell (1) through a sliding groove.