Relay protection dustproof structure convenient to replace

Abstract

A relay protection dustproof structure convenient to replace comprises a box body, ventilation holes are formed in the two side walls of the box body, a dustproof mechanism is arranged on the inner sides of the ventilation holes, and the dustproof mechanism comprises a replacement assembly; the replacement assembly comprises a mounting frame, one or two clamping grooves are formed in the mounting frame, and a filter plate is mounted in each clamping groove; one side of the upper end and one side of the lower end of each clamping groove are each provided with a spring telescopic rod and a fixing plate at the end of the spring telescopic rod, the other side of the upper end and the other side of the lower end of each clamping groove are each provided with an anti-skid pad, and the fixing plates make tight contact with the anti-skid pads through filtering plates; and the mounting frame is detachably mounted on the inner bottom surface of the box body in a sliding manner. According to the utility model, the dustproof structure can be replaced conveniently, and the dustproof effect of the relay can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field, especially a dustproof structure of relay protection convenient to replace. BACKGROUND

[0002] Relay protection is to detect the fault or abnormal condition in the power system, thereby sending an alarm signal, or directly isolating and removing the fault part, which is an important measure. When the power components or the power system itself in the power system fails and endangers the safe operation of the power system, it can prompt information to the operation attendant in time, or directly send a trip command to the circuit breaker, which is generally called relay protection device.

[0003] Through the search of Chinese patent "a dustproof device of relay protection convenient to replace", the publication number is "CN218191649U", the patent passes the inside sliding of the slider in the slide, makes the relay motor convenient to install, passes the connecting block of left side fixed connection in the box body, passes the connecting rod of back fixed connection of relay motor, when the relay motor installs, inserts the connecting rod into the connecting block, finally the both sides of fixed spring of relay motor inner wall fixed connection, effectively solved the problem that the relay motor cannot be conveniently replaced during actual operation, through the screw thread lifting effect of the threaded column, make the threaded plate of threaded connection of threaded column outer surface, can drive the baffle of fixed connection of threaded plate lower surface to carry out screw thread lifting, thereby can carry out the dustproof effect of corresponding plug-in board, but the dustproof effect of the device is not ideal when using, it is inconvenient to replace the dustproof mechanism, influence the dustproof effect of the device. UTILITY MODEL CONTENTS

[0004] The utility model provides a dustproof structure of relay protection convenient to replace, improve the problem that the dustproof effect is not ideal, it is inconvenient to replace the dustproof mechanism.

[0005] A dustproof structure of relay protection convenient to replace, including the box, be equipped with ventilation hole on the both side walls of the box, the inside of this ventilation hole is provided with dustproof mechanism, and the dustproof mechanism includes replacement assembly;The replacement assembly includes mounting bracket, and the mounting bracket is equipped with one or two clamping grooves, and a filter plate is installed in each clamping groove;The side of the upper end and lower end of each clamping groove is equipped with spring telescopic rod and the fixed plate of its end, and the other side of the upper end and lower end of each clamping groove is equipped with antiskid pad, and the fixed plate is in close contact with the filter plate and antiskid pad;The mounting bracket is detachably slidably installed on the inner bottom surface of the box.

[0006] The limit rod is slidably installed on the upper and lower parts of the central or end outside of the mounting bracket, and a compression spring is installed between the limit rods, and the other end of the limit rod extends into the matching limit slot on the box.

[0007] The outer bottom of the mounting frame is rotationally connected with a threaded rod, and the threaded rod is threadedly connected with a push rod, and the end of the push rod is provided with a handle.

[0008] The dustproof mechanism comprises a cleaning assembly arranged between the replacement assembly and the inner side of the ventilation hole; the cleaning assembly comprises a mounting plate slidably connected to the inner wall of the box, and a cleaning brush is fixedly connected to the side of the mounting plate facing the replacement assembly; one end of the mounting plate is fixedly connected with a sliding block, and the other end of the sliding block penetrates to the outside of the box; a sliding groove matched with the mounting plate is formed in the inner wall of the box, and a spiral spring is arranged in the sliding groove, and the two ends of the spiral spring are connected to the bottom end of the mounting plate and the bottom of the sliding groove respectively.

[0009] A placing groove is formed in the box on the inner side of the mounting frame on one side, and a motor is fixedly connected to the inner wall of the placing groove, and a fan blade is fixedly connected to the output end of the motor.

[0010] Mounting blocks are arranged at the inner top corners of the box.

[0011] The utility model discloses the beneficial effect is:

[0012] 1. By setting up dustproof mechanism and replacement assembly, when needing to replace the dustproof structure, the filter plate is clamped in the two mounting frames, the dust outside the box can be intercepted, the dust in the box is prevented, the inner wall of the filter plate close to the outside of the box is provided with bamboo charcoal adsorption bag, the dust particles in and outside the box can be adsorbed by the bamboo charcoal adsorption bag, the dustproof effect of the relay protection is improved, the dust and heat in the box can be discharged outside the box by the rotation of the fan blade driven by the motor. The end of the limiting rod is pulled out from the limiting groove to release the limitation of the mounting frame, the mounting frame is pulled out, the filter plate is taken out by the rotation of the threaded rod and the push rod, the fixed plate at one end of the spring telescopic rod cooperates with the non-slip pad to limit the filter plate, the dustproof structure is replaced conveniently, and the dustproof effect of the relay motor is improved.

[0013] 2. By setting up the cleaning mechanism, when the surface of the filter plate is attached with more dust, the mounting plate on the two sides of the inner wall of the box is pulled down to drive the cleaning brush to clean the dust on the surface of the filter plate, the ventilation dustproof effect of the relay motor is improved, the frequency of replacing the filter plate is reduced, the use effect of the device is improved, the spiral spring in the sliding groove can support the mounting plate, the use effect of the mounting plate is improved, and the dust cleaned down can be treated at the bottom end of the ventilation hole on the two sides of the box. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the appearance structure schematic view of the utility model;

[0015] Figure 2 It is the replacement assembly structure schematic view of the utility model;

[0016] Figure 3 It is the limiting mounting frame structure schematic view of the utility model;

[0017] Figure 4 It is the push filter screen structure cutaway schematic view of the utility model;

[0018] Figure 5 It is the motor mounting structure schematic view of the utility model;

[0019] Figure 6 It is the cleaning assembly structure schematic view of the utility model;

[0020] In the drawing: 1, box body;2, box cover;3, dustproof mechanism;301, mounting block;302, fixed nut;303, replacement assembly;3031, mounting frame;3032, filter plate;3033, spring telescopic rod;3034, fixed plate;3035, non-slip pad;3036, ventilation hole;3037, limiting rod;3038, compression spring;3039, limiting groove;304, push rod;305, threaded rod;306, placing groove;307, fan blade;308, motor;310, cleaning assembly;3101, mounting plate;3102, cleaning brush;3103, sliding block;3104, sliding slot;3105, helical spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] As Figures 1-6 shown, a dustproof structure convenient to replace for relay protection, including box body 1, the front end of box body 1 is provided with box cover 2, the surface of box cover 2 is connected with several evenly distributed fixed nuts 302, one end of fixed nut 302 penetrates through box cover 2 and is connected with box body 1 by screw thread;The lateral wall of box body 1 is equipped with ventilation hole 3036, the inner side of ventilation hole 3036 is provided with dustproof mechanism 3. The dustproof mechanism 3 includes replacement assembly 303;The replacement assembly 303 includes mounting frame 3031, the mounting frame 3031 is equipped with one or two clamping slots, and filter plate 3032 is installed in each clamping slot;The side of the upper end and the lower end of each clamping slot is equipped with spring telescopic rod 3033 and the fixed plate 3034 at the end of spring telescopic rod 3033, and the other side of the upper end and the lower end of each clamping slot is equipped with non-slip pad 3035, the fixed plate 3034 is in close contact with filter plate 3032 and non-slip pad 3035 to achieve the fixed effect of filter plate 3032;The mounting frame 3031 is detachably and slidably installed on the inner bottom surface of box body 1.

[0023] As Figure 3 shown, the central (for the installation frame with two card slots) or the end (for the installation frame with one card slot) outside of the installation frame 3031 is slidably mounted with a limiting rod 3037, and a compression spring 3038 is installed between the limiting rods 3037, and the other end of the limiting rod 3037 extends into the matching limiting slot 3039 on the box body 1. A handle is installed at the limiting rod 3037 connected with the compression spring 3038, and pulling the handle of the two limiting rods 3037 extrudes the compression spring 3038, so that the limiting rod 3037 slides out of the limiting slot 3039 into the installation frame 3031, and the limiting of the installation frame 3031 is released, and the installation frame 3031 can be pulled out of the box body 1, and the limiting rod 3037 is pulled out with the movement of the installation frame 3031 to one end.

[0024] As Figure 3 , Figure 4 shown, the outer bottom center of the installation frame 3031 is rotationally connected with a threaded rod 305, and the threaded rod 305 is threadedly connected with the push rod 304, and the handle is installed at the rear end of the push rod 304, and the push rod 304 is in contact with the filter plate 3032. When the installation frame is removed from the box body, the fixed plate 3034 is moved to compress the spring telescopic rod 3033 so that the filter screen is not limited, and at this time, the handle at the end of the threaded rod 305 is rotated, so that the push rod 304 slides outwards in the installation frame 3031 to push the filter plate 3032, which is convenient for taking out and replacing.

[0025] As Figure 6 shown, the dustproof mechanism 3 includes a cleaning assembly 310, which is arranged between the replacement assembly 303 and the inside of the ventilation hole 3036; the cleaning assembly 310 includes an installation plate 3101 slidably connected to the two sides of the inner wall of the box body 1, and a cleaning brush 3102 is fixedly connected to the side of the installation plate 3101 facing the replacement assembly 303; the two ends of the installation plate 3101 are fixedly connected with sliding blocks 3103, and the other end of the sliding block 3103 penetrates to the outside of the box body 1; a sliding groove 3104 matched with the installation plate 3101 is formed on the inner wall of the box body 1, and a spiral spring 3105 is arranged in the sliding groove 3104, and the spiral spring 3105 is connected to the bottom end of the installation plate 3101.

[0026] Pulling the two sliding blocks 3103 on the outside of the box body 1 drives the cleaning brush 3102 on one side of the installation plate 3101 to move downwards to clean the dust adhered to the surface of the filter plate 3032, thereby reducing the frequency of replacing the filter plate.

[0027] As Figure 5As shown, a placing groove 306 is formed on the inside of the mounting frame 3031 on one side of the box 1, and a motor 308 is fixedly connected to the inner wall of the placing groove 306, and a fan blade 307 is fixedly connected to the output end of the motor 308 through a key or the like connecting piece. The inside of the placing groove 306 and the cavity in which the relay is mounted are connected through. When the motor 308 drives the fan blade 307 to rotate, the heat and dust of the box 1 are discharged to the outside of the box 1, thereby improving the dustproof effect of the device.

[0028] The inside top corner of the box 1 is provided with a mounting block 301, and the mounting block 301 has a certain flexibility and can limit and fix the relay protection equipment.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A relay protection dustproof structure convenient to replace, comprising a box body, characterized in that, both side walls of the box body (1) are provided with ventilation holes (3036), the inner side of the ventilation holes (3036) is provided with a dustproof mechanism (3), and the dustproof mechanism (3) comprises a replacement assembly (303); the replacement assembly (303) comprises a mounting rack (3031), one or two clamping grooves are arranged on the mounting rack (3031), and a filter plate (3032) is arranged in each clamping groove; a spring telescopic rod (3033) and a fixing plate (3034) at the end of the spring telescopic rod (3033) are arranged on one side of the upper end and the lower end of each clamping groove, and an antiskid pad (3035) is arranged on the other side of the upper end and the lower end of each clamping groove; the fixing plate (3034) is in close contact with the filter plate (3032) and the antiskid pad (3035); and the mounting rack (3031) is detachably and slidably arranged on the inner bottom surface of the box body (1).

2. The dustproof structure of the relay protection convenient to replace according to claim 1, characterized in that: limiting rods (3037) are slidably arranged on the central part or the outer side of the upper and lower parts of the mounting rack (3031), compression springs (3038) are arranged between the limiting rods (3037), and the other ends of the limiting rods (3037) extend into matching limiting grooves (3039) on the box body (1).

3. The dustproof structure of the relay protection convenient to replace according to claim 1, characterized in that: a threaded rod (305) is rotationally connected to the central part of the outer bottom of the mounting rack (3031), the threaded rod (305) is threadedly connected with a push rod (304), and a handle is arranged at the rear end of the push rod (304); the push rod (304) is in contact with the filter plate (3032).

4. The dustproof structure of the relay protection convenient to replace according to claim 1, characterized in that: the dustproof mechanism (3) comprises a cleaning assembly (310) arranged between the replacement assembly (303) and the inner side of the ventilation hole (3036); the cleaning assembly (310) comprises a mounting plate (3101) slidably connected to the inner wall of the box body (1), and a cleaning brush (3102) is fixedly connected to the side of the mounting plate (3101) facing the replacement assembly (303); one end of the mounting plate (3101) is fixedly connected with a sliding block (3103), the other end of the sliding block (3103) penetrates to the outside of the box body (1); a sliding groove (3104) matched with the mounting plate (3101) is formed in the inner wall of the box body (1), and a spiral spring (3105) is arranged in the sliding groove (3104); and the two ends of the spiral spring (3105) are connected to the bottom end of the mounting plate (3101) and the bottom of the sliding groove (3104) respectively.

5. The dustproof structure of the relay protection convenient to replace according to claim 1, characterized in that: a placing groove (306) is formed in the inner side of the box body (1) of the mounting rack (3031) on one side, a motor (308) is fixedly connected to the inner wall of the placing groove (306), and a fan blade (307) is fixedly connected to the output end of the motor (308).

6. The dustproof structure of the relay protection convenient to replace according to claim 1, characterized in that: mounting blocks (301) are arranged at the inner top corners of the box body (1).

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