CN220254117U

CN220254117U - Intelligent substation relay protection device

Info

Publication number: CN220254117U
Application number: CN202320480645.4U
Authority: CN
Inventors: 刘小恺; 钟鸣; 韩韬; 葛江溢; 雅斯太
Original assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Current assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-12-26
Anticipated expiration: 2033-03-14

Abstract

The utility model relates to the technical field of relay protection devices and discloses an intelligent substation relay protection device which comprises a box body, a box door and a relay protection device body, wherein the box body is a hollow rectangular body with an opening at the front side, the box door is installed on the front side wall surface of the box body in a hinge mode, the relay protection device body is arranged in the box body, a PLC (programmable logic controller) is arranged on the relay protection device body, a connecting block is fixedly installed on the rear side wall surface of the box body, and a positioning plate is arranged at the rear side position of the connecting block. When the connecting box is installed, the positioning plate is fixedly installed at an installation place through four groups of bolts, then the clamping groove corresponds to the clamping block, the connecting block is movably clamped into the connecting box, the clamping block moves backwards along the inner wall of the clamping groove until the connecting block cannot move, and when the box body is required to be disassembled for maintenance, the connecting block can be directly pulled out of the connecting box.

Description

Intelligent substation relay protection device

Technical Field

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

Background

Via search disclosure (bulletin) number: CN216566005U discloses a local overload protection device of intelligent substation, which comprises a box body, the side all is provided with the recess about the middle part bottom of box, the homonymy the side all is provided with first spout about the middle part of recess, the homonymy first spout difference sliding connection is in the left and right sides of draw runner, the bottom of the equal fixed connection in right angle piece in top middle part of draw runner. According to the utility model, when overhauling, the baffle plate is pulled upwards to be taken out, the relay protection device is outwards popped up due to the acting force of the spring, and meanwhile, the slide bar slides to limit the outwards popped distance of the relay protection device.

When the box body is overhauled, the box body is disassembled by rotating the box body to enable the first fixing and the second fixing to be in a state of releasing threaded connection, although the disassembling speed can be increased by a threaded mode, the types of relay protection devices used in real life are different, the sizes of the relay protection devices are different, the sizes of the used box bodies are different, the larger the weight of the box body is, the heavier the box body is, if the box body is placed in a rotating mode, the operation is inconvenient when the heavier box body is operated, and the overhauling speed is not facilitated.

Therefore, we propose an intelligent substation relay protection device.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides an intelligent substation relay protection device.

In order to achieve the above purpose, the intelligent substation relay protection device comprises a box body, a box door and a relay protection device body, wherein the box body is a hollow rectangular body with an opening at the front side, the box door is installed on the front side wall surface of the box body in a hinged mode, the relay protection device body is arranged in the box body, a PLC (programmable logic controller) is arranged on the relay protection device body, a connecting block is fixedly installed on the rear side wall surface of the box body, a positioning plate is arranged at the rear side position of the connecting block, four groups of bolts are in threaded connection with the front side wall surface of the positioning plate, a connecting box is fixedly installed on the front side wall surface of the positioning plate, the connecting box is hollow rectangular with an opening at the front side, a clamping groove is clamped on the bottom wall surface of the connecting box cavity, a clamping block is fixedly installed on the bottom wall surface of the connecting block, the clamping block is matched with the clamping groove, and the clamping block can be movably clamped into the clamping groove.

Preferably, the upper side wall surface of the connecting box is provided with a movable groove, the movable groove is T-shaped, the upper side wall surface of the connecting block is provided with a mounting groove, the inside of the mounting groove is fixedly provided with a guide rod and a first elastic element, and the inside of the mounting groove is movably provided with two groups of movable blocks.

Preferably, the two groups of movable blocks are L-shaped, the horizontal ends of the two groups of movable blocks respectively penetrate through the wall surfaces of the corresponding mounting grooves, the outer wall of the guide rod penetrates through the vertical ends of the two groups of movable blocks, and the first elastic element is located between the wall surfaces of the two groups of movable blocks, which are close to each other.

Preferably, the guide rod movably penetrates through the first elastic element, the left wall surface and the right wall surface of the connecting box are provided with positioning holes, and the horizontal ends of the two groups of movable blocks can be movably clamped into the positioning holes.

Preferably, the inside movable mounting of box has the mounting panel, and overload protection device body sets up on the upper side wall of mounting panel, and the wall is all fixed mounting has the stopper about the mounting panel.

Preferably, limiting rods are fixedly arranged on the left wall surface and the right wall surface in the box cavity, the two groups of limiting rods are concave, and the outer walls of the two groups of limiting rods are movably sleeved with second elastic elements.

Preferably, the outer walls of the two groups of limiting rods movably penetrate through the front wall surface and the rear wall surface of the same-side limiting block, and the two groups of second elastic elements are positioned at the rear side positions of the same-side limiting block.

Advantageous effects

The utility model provides an intelligent substation relay protection device. The beneficial effects are as follows:

(1) When the intelligent substation relay protection device is installed, the positioning plate is fixedly installed at an installation place through four groups of bolts, then the clamping groove is corresponding to the clamping block, the connecting block is movably clamped into the connecting box, the clamping block moves backwards along the inner wall of the clamping groove until the connecting block cannot move, when the box body is required to be disassembled for maintenance, the connecting block can be directly pulled out of the connecting box, the whole operation is simple and convenient, and the maintenance speed is improved.

(2) This intelligent substation overload protection device, when the connecting block backward motion in-process, two sets of movable blocks are close to with the movable groove contact, can extrude two sets of movable blocks and be close to each other, first elastic element is compressed, when two sets of movable blocks move to the rear side end in movable groove, loosen two sets of movable blocks, first elastic element begins the extension, two sets of movable blocks keep away from each other, the inside in homonymy locating hole is gone into to the equal activity card of horizontal end of two sets of movable blocks, can improve the stability after the installation of whole device like this, in addition under the effect of guide bar, can improve the stability of two sets of movable block movements.

Drawings

FIG. 1 is a perspective view of the whole of the present utility model;

FIG. 2 is a perspective view of the case of the present utility model;

FIG. 3 is a perspective view of the connecting block of the present utility model;

fig. 4 is a perspective view of the mounting plate of the present utility model.

Legend description: 1. a case; 2. a door; 3. a connecting block; 4. a positioning plate; 5. a connection box; 6. a clamping groove; 7. a clamping block; 8. a relay protection device body; 9. a movable groove; 10. a mounting groove; 11. a guide rod; 12. a movable block; 13. a first elastic element; 14. positioning holes; 15. a mounting plate; 16. a limiting block; 17. a limit rod; 18. a second elastic element.

Detailed Description

Embodiment one: the utility model provides an intelligent substation overload protection device, as shown in fig. 1, fig. 2, fig. 3, including box 1, chamber door 2 and overload protection device body 8, box 1 is the hollow cuboid of front side open-ended, chamber door 2 installs the preceding lateral wall face at box 1 through the mode of hinge, overload protection device body 8 sets up the inside at box 1, be provided with the PLC controller on the overload protection device body 8, the PLC controller can be connected through the control system of signal of telecommunication and intelligent substation, the rear side wall face fixed mounting of box 1 has connecting block 3, connecting block 3 is the rectangle, the rear side position of connecting block 3 is provided with locating plate 4, the preceding lateral wall face threaded connection of locating plate 4 has four sets of bolts, the preceding lateral wall face fixed mounting of locating plate 4 has connecting box 5, connecting box 5 is the hollow rectangle of front side opening, the bottom wall face card in the connecting box 5 intracavity is equipped with draw-in groove 6, draw-in groove 6 is the rectangle, the bottom wall face fixed mounting of connecting block 3 has fixture block 7, fixture block 7 is the rectangle, fixture block 7 and draw-in groove 6 looks adaptation, fixture block 7 can activity card into the inside of draw-in groove 6.

When the utility model is installed, the positioning plate 4 is fixedly installed at an installation place through four groups of bolts, then the clamping groove 6 corresponds to the clamping block 7, and the connecting block 3 is movably clamped into the connecting box 5, so that the clamping block 7 moves backwards along the inner wall of the clamping groove 6 until the connecting block 3 cannot move, when the box body 1 is required to be disassembled for maintenance, the connecting block 3 can be directly pulled out from the connecting box 5, and the whole operation is simple and convenient, and the maintenance speed is improved.

Embodiment two: on the basis of the first embodiment, as shown in fig. 1, 3 and 4, the upper side wall surface of the connection box 5 is provided with a movable groove 9, the movable groove 9 is in a T shape, the upper side wall surface of the connection block 3 is provided with a mounting groove 10, the mounting groove 10 is rectangular, a guide rod 11 and a first elastic element 13 are fixedly arranged in the mounting groove 10, the guide rod 11 is cylindrical, and two groups of movable blocks 12 are movably arranged in the mounting groove 10.

The two groups of movable blocks 12 are L-shaped, the horizontal ends of the two groups of movable blocks 12 respectively penetrate through the wall surfaces of the corresponding mounting grooves 10, the outer wall of the guide rod 11 penetrates through the vertical ends of the two groups of movable blocks 12, and the first elastic element 13 is positioned between the wall surfaces of the two groups of movable blocks 12, which are close to each other.

The guide rod 11 movably passes through the inside of the first elastic element 13, the left wall surface and the right wall surface of the connecting box 5 are provided with positioning holes 14, and the horizontal ends of the two groups of movable blocks 12 can be movably clamped into the inside of the positioning holes 14.

The inside movable mounting of box 1 has mounting panel 15, and overload protection device body 8 sets up on the upper side wall of mounting panel 15, and the wall is all fixed mounting has stopper 16 about mounting panel 15, and two sets of stopper 16 all are the rectangle.

Limiting rods 17 are fixedly arranged on the left wall surface and the right wall surface in the cavity of the box body 1, two groups of limiting rods 17 are concave, and second elastic elements 18 are sleeved on the outer walls of the two groups of limiting rods 17.

The outer walls of the two groups of limiting rods 17 movably penetrate through the front wall surface and the rear wall surface of the same-side limiting block 16, and the two groups of second elastic elements 18 are positioned at the rear side position of the same-side limiting block 16.

When the connecting block 3 moves backwards, the two groups of movable blocks 12 are close to each other when being in contact with the movable groove 9, the first elastic element 13 is compressed, when the two groups of movable blocks 12 move to the rear side end of the movable groove 9, the two groups of movable blocks 12 are loosened, the first elastic element 13 starts to stretch, the two groups of movable blocks 12 are far away from each other, and the horizontal ends of the two groups of movable blocks 12 are movably clamped into the inner parts of the same-side positioning holes 14.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an intelligent substation overload protection device, including box (1), chamber door (2) and overload protection device body (8), box (1) is front side open-ended hollow cuboid, the preceding lateral wall face at box (1) is installed through the mode of hinge to chamber door (2), overload protection device body (8) set up the inside at box (1), be provided with the PLC controller on overload protection device body (8), the back lateral wall face fixed mounting of box (1) has connecting block (3), the rear side position of connecting block (3) is provided with locating plate (4), the preceding lateral wall face threaded connection of locating plate (4) has four bolt sets, its characterized in that: the front side wall surface fixed mounting of locating plate (4) has draw-in box (5), and draw-in box (5) are the hollow rectangle of front side opening, and the bottom wall card in draw-in box (5) intracavity is equipped with draw-in groove (6), and the bottom wall fixed mounting of connecting block (3) has fixture block (7), fixture block (7) and draw-in groove (6) looks adaptation, and inside draw-in groove (6) can be gone into to the activity card to fixture block (7).

2. The intelligent substation relay protection device of claim 1, wherein: the connecting box is characterized in that a movable groove (9) is formed in the upper side wall surface of the connecting box (5), the movable groove (9) is T-shaped, a mounting groove (10) is formed in the upper side wall surface of the connecting block (3), a guide rod (11) and a first elastic element (13) are fixedly mounted in the mounting groove (10), and two groups of movable blocks (12) are movably mounted in the mounting groove (10).

3. The intelligent substation relay protection device of claim 2, wherein: the two groups of movable blocks (12) are L-shaped, the horizontal ends of the two groups of movable blocks (12) respectively penetrate through the wall surfaces of the corresponding mounting grooves (10) in a movable mode, the outer wall of the guide rod (11) penetrates through the vertical ends of the two groups of movable blocks (12) in a movable mode, and the first elastic element (13) is located between the wall surfaces, close to the two groups of movable blocks (12), of the two groups of movable blocks.

4. The intelligent substation relay protection device of claim 3, wherein: the guide rod (11) movably penetrates through the first elastic element (13), the left wall surface and the right wall surface of the connecting box (5) are provided with positioning holes (14), and the horizontal ends of the two groups of movable blocks (12) can be movably clamped into the positioning holes (14).

5. The intelligent substation relay protection device of claim 1, wherein: the inside movable mounting of box (1) has mounting panel (15), and overload protection device body (8) set up on the upper side wall face of mounting panel (15), and both fixed mounting has stopper (16) about the wall face of mounting panel (15).

6. The intelligent substation relay protection device of claim 5, wherein: limiting rods (17) are fixedly arranged on the left wall surface and the right wall surface of the cavity of the box body (1), the two groups of limiting rods (17) are concave, and second elastic elements (18) are movably sleeved on the outer walls of the two groups of limiting rods (17).

7. The intelligent substation relay protection device of claim 6, wherein: the outer walls of the two groups of limiting rods (17) movably penetrate through the front wall surface and the rear wall surface of the same-side limiting block (16), and the two groups of second elastic elements (18) are positioned at the rear side positions of the same-side limiting block (16).