CN219287133U

CN219287133U - Relay protection device

Info

Publication number: CN219287133U
Application number: CN202223557414.3U
Authority: CN
Inventors: 谭开平; 杨隽坤; 徐芳琴; 谢元龙; 潘国元; 陈晓鸣; 何海伦
Original assignee: Qingyuan Electric Power Planning And Design Institute Co ltd
Current assignee: Qingyuan Electric Power Planning And Design Institute Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-30
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of relay protection devices, in particular to a relay protection device. The technical proposal comprises: the protective plate is fixedly arranged at the front end of the relay protector, the protective plate is slidably arranged at the front end of the operation panel through a sliding groove, a limiting block is movably arranged in the sliding groove, a wiring seat is fixedly arranged on one side of the relay protector, and a movable plate is movably connected to one side of the relay protector at the rear end of the wiring seat. According to the utility model, the limit block is extruded and clamped by the fixture block through the mutual coordination among the limit block, the fixture block and the protection plate, the limit and fixation of the protection plate can be realized, the wire is inserted into the wiring seat through the mutual coordination among the movable plate, the fixed plate and the clamping seat, the clamping seat is utilized to clamp and reinforce the wire, the condition that the circuit is disconnected is avoided, and the relay protector keeps a better working state.

Description

Relay protection device

Technical Field

The utility model relates to the technical field of relay protection devices, in particular to a relay protection device.

Background

When a power element in a power system or the power system itself breaks down to endanger the safe operation of the power system, a warning signal can be sent out to an operator on duty in time, or a tripping command is directly sent out to a controlled breaker to terminate the development of the events, an automation measure and equipment for realizing the automation measure are generally known as a relay protection device, wherein the application number is CN 217035533U, which is disclosed as a relay protection device, the technical defects that the relay protection device is difficult to install and detach and inconvenient to replace and maintain, and the time and the labor are consumed for installing and detaching, and the working efficiency are reduced, and the relay protection device is further found by further searching, and is disclosed as CN112421451B, which really solves the technical defects that the radiating effect is poor, the radiating is insufficient, the radiating mode is too single, the relay protection device is easily influenced by external vibration when in use, the damage of internal electric elements is caused, and the like are overcome, but the relay protection device with similar structure has a plurality of defects in actual use, such as: the existing control panel of the relay protection device is insufficient in protection performance, the situation that misoperation is caused by false touch of workers is easily caused, most of wire interfaces do not have an anti-falling function, the situation that wires are loosened and fall off is easily caused, the situation that a circuit is disconnected easily is caused, more troubles are brought to relay protection, and therefore the relay protection device needs to be designed.

Disclosure of Invention

The utility model aims to provide a relay protection device to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a relay protection device, includes relay protector, operating panel and guard plate, relay protector's front end fixed mounting has operating panel, operating panel's front end has the guard plate through spout slidable mounting, the inside movable mounting of spout has the stopper, one side fixed mounting of relay protector has the wire holder, relay protector one side swing joint of wire holder rear end has the fly leaf, relay protector one side fixedly connected with of wire holder front end and the fixed plate that corresponds with the fly leaf, the inboard fixed mounting of fly leaf and fixed plate has the cassette.

When operation panel is needed, through stirring stopper backward movement, can separate stopper and fixture block, thereby can make the guard plate utilize the action of gravity to descend along the spout, make operation panel can reveal and conveniently use, through upwards pulling guard plate, utilize the fixture block to extrude the block, can play the guard action to operation panel through the guard plate, avoid the staff to touch the button by mistake and cause improper operation, when needs are pegged graft the wire, open the operation through pulling fly leaf and overturn, through inserting the wire into the connection terminal with the wire holder, can utilize the holder to carry out the centre gripping to consolidate the wire simultaneously, can avoid the wire to take place not hard up condition that drops, can avoid the condition that the circuit takes place the disconnection, make relay protector can keep better operating condition.

Preferably, the rear end of the protection plate is fixedly connected with a clamping block matched with the limiting block, and the rear end of the protection plate at the bottom of the clamping block is fixedly provided with a sliding block matched with the sliding groove. Can carry out the block through the fixture block with the stopper to can carry out spacing fixedly to the guard plate, utilize the slider to slide along the spout, can drive the guard plate and slide.

Preferably, a rubber pad is fixedly connected to the bottom of the inner side of the sliding groove, and the limiting block is movably installed with the sliding groove through a thrust spring. Utilize the rubber pad can play the cushioning effect when the guard plate descends, can drive the stopper through thrust spring and shrink and reset the operation.

Preferably, the sliding holes are formed in two sides of the operation panel, and the poking sheets extending out of the sliding holes are fixedly arranged on the outer sides of the limiting blocks. Utilize the slide hole can conveniently make the plectrum slide, slide along the slide hole through stirring the plectrum and can drive the stopper and shrink.

Preferably, the front end of the protection plate is fixedly connected with a first handle, and the rear end of the movable plate is fixedly provided with a second handle. The protection plate can be conveniently pulled upwards to conduct closing operation by holding the first handle, and the movable plate can be conveniently pulled to conduct overturning opening operation by holding the second handle.

Preferably, the movable plate and the relay protector are movably arranged through a rotating shaft, and a tension spring is fixedly arranged between the fixed plate and the movable plate. The rotating shaft can be used for enabling the movable plate to be overturned, and the movable plate can be automatically reset under the action of the tension spring.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with the stopper, mutually supporting between fixture block and the guard plate, through upwards pulling guard plate, utilize the fixture block to extrude the stopper, make the fixture block can carry out the block with the stopper, thereby can carry out spacing fixedly to the guard plate, can play the guard action to operating panel, avoid the staff to touch the button by mistake and cause improper operation, when operating panel is used to needs, through stirring the plectrum backward, utilize the plectrum can drive the stopper and move backward, can separate fixture block and stopper, thereby can make the guard plate utilize the gravity effect to descend voluntarily, make operating panel can show out and use conveniently.

2. Through being provided with mutually supporting between fly leaf, fixed plate and the holder, when the wire of pegging graft is needed, overturn through pulling the fly leaf and open the operation, through pegging graft the wire into the connection terminal, through loosening the fly leaf, utilize tension spring's pulling force effect, can reset the fly leaf, can utilize the holder to carry out the centre gripping to the wire simultaneously and consolidate, can avoid the wire to take place not hard up condition that drops, can avoid the condition that the circuit takes place to break off, make relay protector can keep better operating condition.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

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

FIG. 4 is a schematic diagram of a side view of the present utility model;

fig. 5 is a schematic top view of a partial structure of the relay protector according to the present utility model.

In the figure: 1. a relay protector; 2. an operation panel; 201. a chute; 202. a rubber pad; 203. a slide hole; 3. a limiting block; 301. a thrust spring; 302. a pulling piece; 4. a protection plate; 401. a slide block; 402. a first handle; 403. a clamping block; 5. a wire holder; 6. a movable plate; 601. a second handle; 602. a clamping seat; 603. a rotating shaft; 7. a fixing plate; 701. tension springs.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the relay protection device provided by the utility model comprises a relay protector 1, an operation panel 2 and a protection plate 4, wherein the operation panel 2 is fixedly arranged at the front end of the relay protector 1, the protection plate 4 is slidably arranged at the front end of the operation panel 2 through a chute 201, a limiting block 3 is movably arranged in the chute 201, a wire holder 5 is fixedly arranged at one side of the relay protector 1, a movable plate 6 is movably connected at one side of the relay protector 1 at the rear end of the wire holder 5, a fixed plate 7 corresponding to the movable plate 6 is fixedly connected at one side of the relay protector 1 at the front end of the wire holder 5, and a clamping seat 602 is fixedly arranged at the inner sides of the movable plate 6 and the fixed plate 7;

the rear end fixedly connected with of guard plate 4 and stopper 3 complex fixture block 403, and the guard plate 4 rear end fixed mounting of fixture block 403 bottom have with spout 201 complex slider 401, the inboard bottom fixedly connected with rubber pad 202 of spout 201, through thrust spring 301 movable mounting between stopper 3 and the spout 201, through pivot 603 movable mounting between fly leaf 6 and the relay protector 1, fixed plate 7 and fly leaf 6 between fixed mounting have tension spring 701.

The working principle of the relay protection device based on the embodiment 1 is as follows: when the relay protector 1 needs to be controlled by using the operation panel 2, the limiting block 3 can be separated from the clamping block 403 by pulling the limiting block 3 to move backwards, so that the protection plate 4 can descend along the chute 201 under the action of gravity, a rubber pad 202 can play a buffering role when the protection plate 4 descends, and the operation panel 2 can be exposed through the protection plate 4 so as to be convenient to use;

when the operation panel 2 is not needed, the slide block 401 can slide along the chute 201 by pulling the protection plate 4 upwards, the limiting block 3 is extruded by the clamping block 403 under the thrust action of the thrust spring 301, when the clamping block 403 is extruded and pulled to the top of the limiting block 3, the limiting block 3 can be pushed to reset by the thrust spring 301, the clamping block 403 can be clamped with the limiting block 3, so that the protection plate 4 can be limited and fixed, the protection plate 4 can play a protection role on the operation panel 2, and the misoperation caused by the fact that a worker touches a button by mistake is avoided;

when wire is required to be plugged, the rotating shaft 603 is utilized to turn over and open the movable plate 6, the wire is plugged into the wire holder 5, the movable plate 6 can be automatically reset by loosening the movable plate 6 and utilizing the tension action of the tension spring 701, meanwhile, the clamping seat 602 can be utilized to clamp and reinforce the wire, the wire can be prevented from loosening and falling, the wire can be prevented from being disconnected, and the relay protector 1 can maintain a good working state.

Example two

As shown in fig. 4, compared to the first embodiment, the relay protection device provided by the present utility model further includes: slide holes 203 are formed in two sides of the operation panel 2, a poking piece 302 extending out of the slide holes 203 is fixedly arranged on the outer side of the limiting block 3, a first handle 402 is fixedly connected to the front end of the protection plate 4, and a second handle 601 is fixedly arranged on the rear end of the movable plate 6.

In this embodiment, as shown in fig. 4, the sliding hole 203 is utilized to facilitate sliding the pulling piece 302, the limiting block 3 is driven to shrink by pulling the pulling piece 302 along the sliding hole 203, the protection plate 4 is pulled upwards to perform the closing operation by holding the first handle 402, and the movable plate 6 is pulled to perform the overturning opening operation by holding the second handle 601.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a relay protection device, includes relay protection ware (1), operating panel (2) and guard plate (4), its characterized in that: an operation panel (2) is fixedly arranged at the front end of the relay protector (1), a protection plate (4) is slidably arranged at the front end of the operation panel (2) through a chute (201), a limit block (3) is movably arranged in the chute (201), a wire holder (5) is fixedly arranged at one side of the relay protector (1), the relay protector is characterized in that a movable plate (6) is movably connected to one side of the relay protector (1) at the rear end of the wire holder (5), a fixed plate (7) corresponding to the movable plate (6) is fixedly connected to one side of the relay protector (1) at the front end of the wire holder (5), and a clamping seat (602) is fixedly arranged on the inner sides of the movable plate (6) and the fixed plate (7).

2. The relay protection device according to claim 1, wherein: the rear end of the protection plate (4) is fixedly connected with a clamping block (403) matched with the limiting block (3), and the rear end of the protection plate (4) at the bottom of the clamping block (403) is fixedly provided with a sliding block (401) matched with the sliding groove (201).

3. The relay protection device according to claim 1, wherein: the bottom of the inner side of the chute (201) is fixedly connected with a rubber pad (202), and the limiting block (3) is movably installed with the chute (201) through a thrust spring (301).

4. The relay protection device according to claim 1, wherein: slide holes (203) are formed in two sides of the operation panel (2), and a poking piece (302) extending out of the slide holes (203) is fixedly arranged on the outer side of the limiting block (3).

5. The relay protection device according to claim 1, wherein: the front end of the protection plate (4) is fixedly connected with a first handle (402), and the rear end of the movable plate (6) is fixedly provided with a second handle (601).

6. The relay protection device according to claim 1, wherein: the movable plate (6) is movably arranged with the relay protector (1) through a rotating shaft (603), and a tension spring (701) is fixedly arranged between the fixed plate (7) and the movable plate (6).