Vacuum circuit breaker for miniaturized new energy power station

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a vacuum circuit breaker for a miniaturized new energy power station, which comprises a mounting plate, the front side of the mounting plate is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a circuit breaker, and the left and right sides of the top of the bottom plate are fixedly connected with fixed plates. The top ends of the close sides of the two fixing plates are connected with a baffle through torsional springs, the bottom of the rear side of the baffle is fixedly connected with two connecting blocks, the inner walls of the two connecting blocks are connected through a limiting assembly so that the baffle can be fixed, and the rear side of the mounting plate is fixedly connected with four reinforcing pipes. According to the utility model, dust is blocked through the two fixing plates and the baffle plate to protect the circuit breaker, and when the circuit breaker needs to be maintained, the limiting insertion block slides upwards to rotate the adjusting knob, so that the connecting sliding block drives the fixing insertion block to slide to release the fixation of the connecting block, and the baffle plate is rotated under the action of the torsion spring to maintain the circuit breaker; therefore, the maintenance is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field especially relates to a miniaturized vacuum circuit breaker for new energy power station. BACKGROUND

[0002] Vacuum circuit breaker is named because its arc extinguishing medium and the insulation medium of the contact gap after arc extinguishing are both high vacuum, and it has the advantages of small size, light weight, frequent operation, and no maintenance for arc extinguishing. It is widely used in distribution networks. The vacuum circuit breaker is an indoor distribution device in a 3-10kV, 50Hz three-phase alternating current system, which can be used for protection and control of electrical equipment in industrial and mining enterprises, power plants and substations. It is especially suitable for use in places that require oil-free, less maintenance and frequent operation. The circuit breaker can be configured in a middle cabinet, double-layer cabinet and fixed cabinet for controlling and protecting high-voltage electrical equipment. With the development of society, the application of vacuum circuit breakers is becoming more and more widespread.

[0003] Vacuum circuit breakers are usually affected by dust in outdoor environments. In outdoor environments with a lot of dust, a large amount of dust can accumulate on the surface of the insulation components of the vacuum circuit breaker, reducing its insulation performance and increasing the risk of surface flashover. At the same time, dust may also enter the internal mechanism of the circuit breaker, affecting its flexibility and reliability of operation, such as causing poor contact of the contacts, increasing the contact resistance, causing the heat to intensify, and thus shortening the service life of the equipment, and even causing malfunctions. To address this technical problem, the present application proposes a miniaturized vacuum circuit breaker for new energy power stations. SUMMARY

[0004] The utility model discloses a vacuum circuit breaker for new energy power station is provided to solve the shortcoming in the prior art, and the vacuum circuit breaker for new energy power station is blocked to the dust by two fixed plates and baffle, when needing to maintain the circuit breaker, the connecting sliding block is driven fixed plug to slide and remove the fixed of connecting block to the fixed plug by the rotation of the limiting plug block and the adjustment knob, the baffle is rotated under the action of the torsion spring, and the circuit breaker is maintained, so that the maintenance is more convenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model relates to a miniaturized vacuum circuit breaker for new energy power station, including the mounting panel, the bottom plate is fixedly connected with the mounting panel front side, the circuit breaker is fixedly connected with the bottom plate top, the fixed plate is fixedly connected with the bottom plate top left and right sides, the fixed plate is connected with the baffle through the torsional spring in the top of one side, two connecting blocks are fixedly connected with the baffle rear side bottom, two connecting blocks inner walls are connected through the limiting component for with baffle fixed, four reinforcing tubes are fixedly connected with the mounting panel rear side, six reinforcing rotating blocks are rotatably connected with the reinforcing tube inner wall, four reinforcing screws are threadedly connected with the mounting panel front side, six reinforcing rotating blocks are connected through the adjusting assembly with reinforcing screw rear end in the top of one side for adjusting six reinforcing rotating blocks'spacing.

[0007] Further, the limiting component includes two sliding grooves opened in the top of the bottom plate, two connecting sliding blocks are slidably connected with the inner walls of the sliding grooves, the connecting sliding blocks on the left and right sides are fixedly connected with fixed insertion blocks on the top, the outer walls of the fixed insertion blocks are inserted into the inner walls of the connecting blocks, and the inner walls of the two connecting sliding blocks on the rear side are threadedly connected with bidirectional screws.

[0008] Further, the right side of the bottom plate is rotatably connected with an adjusting knob, and the right end of the bidirectional screw is fixedly connected with the rear end of the adjusting knob.

[0009] Further, the right side of the fixed plate on the right side is slidably connected with a limiting insertion block, twelve limiting grooves are formed in the outer wall of the adjusting knob, and the outer wall of the limiting insertion block is inserted into the inner wall of the limiting groove.

[0010] Further, two limiting rods are fixedly connected with the inner walls of the front sliding grooves, and the inner walls of the connecting sliding blocks on the front side are slidably connected with the outer walls of the limiting rods.

[0011] Further, the adjusting assembly includes a limiting sliding block slidably connected with the inner wall of the reinforcing tube, the rear end of the reinforcing screw abuts against the front end of the limiting sliding block, six adjusting sliding blocks are fixedly connected with the outer wall of the limiting sliding block, the side away from the six adjusting sliding blocks abuts against the side close to the six reinforcing rotating blocks, and a limiting spring is arranged in the reinforcing tube.

[0012] Further, one end of the limiting spring is fixedly connected with the rear side of the inner wall of the reinforcing tube, and the other end of the limiting spring is fixedly connected with the rear end of the limiting sliding block.

[0013] Further, the left and right sides of the baffle are fixedly connected with rubber strips.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model discloses a fixed plate and baffle are blocked to dust and keep the circuit breaker, when needing to maintain the circuit breaker, the up sliding limit plug -in block rotation adjusting knob, make the fixed plug -in block sliding drive the connecting block fixed, under the action of torsional spring makes the baffle rotate, maintains the circuit breaker, to make the maintenance more convenient.

[0016] 2. The utility model discloses four holes are opened on the wall, and the reinforcing pipe is inserted into the hole, and the reinforcing screw is screwed into the reinforcing pipe, the reinforcing pipe pushes the limit sliding block to slide, the limit sliding block drives the adjusting sliding block to slide, the adjusting sliding block pushes the reinforcing rotating block to rotate, and the reinforcing rotating block abuts against the inner wall of the hole, so that the reinforcing pipe is connected more stably. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A stereogram of a small-sized vacuum circuit breaker for a new energy power station is provided for the utility model;

[0018] Figure 2 A limit spring schematic diagram of a small-sized vacuum circuit breaker for a new energy power station is provided for the utility model;

[0019] Figure 3 A connecting block schematic diagram of a small-sized vacuum circuit breaker for a new energy power station is provided for the utility model;

[0020] Figure 4 A limit rod schematic diagram of a small-sized vacuum circuit breaker for a new energy power station is provided for the utility model.

[0021] LEGEND:

[0022] 1, mounting plate, 2, bottom plate, 3, circuit breaker, 4, fixed plate, 5, baffle, 6, reinforcing pipe, 7, reinforcing screw, 8, adjusting knob, 9, limit plug -in block, 10, reinforcing rotating block, 11, limit spring, 12, limit sliding block, 13, adjusting sliding block, 14, connecting block, 15, fixed plug -in block, 16, connecting sliding block, 17, bidirectional screw rod, 18, limit rod, 19, rubber strip. DETAILED DESCRIPTION

[0023] 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 protection scope of the utility model.

[0024] REFERENCE Figure 1 AND Figure 2The utility model provides a kind of miniaturization new energy power station vacuum circuit breaker, including mounting plate 1, mounting plate 1 front side is fixedly connected with bottom plate 2, and bottom plate 2 top is fixedly connected with circuit breaker 3, and bottom plate 2 top left and right sides are fixedly connected with fixed plate 4, and two fixed plate 4 side top is connected with baffle 5 by torsional spring, and dust is blocked by two fixed plate 4 and baffle 5 to protect circuit breaker 3;Baffle 5 rear side bottom is fixedly connected with two connecting blocks 14, and two connecting blocks 14 are fixed to make baffle 5 fixed;Two sliding grooves are set in bottom plate 2 top, and two connecting sliding blocks 16 are slidably connected in sliding groove inner wall, and the top of left and right sides connecting sliding blocks 16 is fixedly connected with fixed plug 15, and the outer wall of fixed plug 15 is inserted with the inner wall of connecting block 14, and connecting sliding block 16 drives fixed plug 15 to slide to remove the fixation of connecting block 14;Two-way screw rod 17 is threadedly connected in the inner wall of rear connecting sliding block 16, and connecting sliding block 16 is driven to slide by the rotation of two-way screw rod 17;Adjusting knob 8 is rotatably connected on the right side of bottom plate 2, and the right end of two-way screw rod 17 is fixedly connected with the rear end of adjusting knob 8, and the rotation of adjusting knob 8 makes two-way screw rod 17 rotate;Right side fixed plate 4 right side is slidably connected with limit plug 9, and twelve limit grooves are set in the outer wall of adjusting knob 8, and the outer wall of limit plug 9 is inserted with the inner wall of limit groove, to fix adjusting knob;Two limit rods 18 are fixedly connected with the inner wall of front sliding groove, and the outer wall of limit rod 18 is slidably connected with the inner wall of front connecting sliding block 16, to increase the stability of fixed plug 15 sliding;Rubber strip 19 is fixedly connected with the left and right sides of baffle 5, to prevent rainwater from damaging circuit breaker 3 with gap;

[0025] Referring to Figure 1 、 Figure 3 and Figure 4 , four reinforcing tubes 6 are fixedly connected with the rear side of mounting plate 1, six reinforcing rotating blocks 10 are rotatably connected with the inner wall of reinforcing tube 6, four reinforcing screws 7 are threadedly connected with the front side of mounting plate 1, limit sliding block 12 is slidably connected with the inner wall of reinforcing tube 6, and the rear end of reinforcing screw 7 is abutted with the front end of limit sliding block 12, and reinforcing screw 7 is screwed into reinforcing tube 6, and limit sliding block 12 is driven to slide by reinforcing tube 6;Six adjusting sliding blocks 13 are fixedly connected with the outer wall of limit sliding block 12, and the side away from six adjusting sliding blocks 13 is abutted with the side close to six reinforcing rotating blocks 10, limit sliding block 12 drives adjusting sliding block 13 to slide, and adjusting sliding block 13 drives reinforcing rotating block 10 to rotate;Limit spring 11 is arranged in the inside of reinforcing tube 6, one end of limit spring 11 is fixedly connected with the rear side of the inner wall of reinforcing tube 6, and the other end of limit spring 11 is fixedly connected with the rear end of limit sliding block 12;Limit sliding block 12 is driven to slide after limit screw 7 is screwed out, to remove the fixation of reinforcing tube 6.

[0026] Working principle: when starting installation, four holes are opened on the wall, the reinforcing pipe 6 is inserted into the hole, the reinforcing screw 7 is screwed into the reinforcing pipe 6, the reinforcing pipe 6 pushes the limiting sliding block 12 to slide, the limiting sliding block 12 drives the adjusting sliding block 13 to slide, the adjusting sliding block 13 pushes the reinforcing rotating block 10 to rotate, the reinforcing rotating block 10 abuts against the inner wall of the hole, so that the reinforcing pipe 6 is connected more stably.

[0027] When the circuit breaker 3 needs to be maintained, the limiting plug block 9 is slid upward to release the fixing of the adjusting knob 8, the adjusting knob 8 is rotated to rotate the bidirectional screw rod 17 and drive the connecting sliding block 16 to slide, the connecting sliding block 16 drives the fixed plug block 15 to slide and release the fixing of the connecting block 14, the baffle 5 is rotated under the action of the torsional spring, and the circuit breaker 3 is maintained.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A miniature vacuum circuit breaker for a new energy power plant, characterized in that, The utility model provides an installation board (1), the bottom plate (2) is fixedly connected to the front side of installation board (1), the circuit breaker (3) is fixedly connected to the top of bottom plate (2), the fixed plate (4) is fixedly connected to the left and right sides of the top of bottom plate (2), the baffle (5) is connected to the top end of the side of two fixed plates (4) near, two connecting blocks (14) are fixedly connected to the bottom of rear side of baffle (5), two connecting blocks (14) are connected through limiting component in inner wall for with baffle (5) is fixed, four reinforcing tubes (6) are fixedly connected to the rear side of installation board (1), six reinforcing rotating blocks (10) are rotatably connected to the inner wall of reinforcing tube (6), four reinforcing screws (7) are threadedly connected to the front side of installation board (1), the rear end of adjusting assembly and reinforcing screw (7) are connected through adjusting assembly in the side of six reinforcing rotating blocks (10) near for adjusting the interval of six reinforcing rotating blocks (10).

2. The miniature vacuum circuit breaker for a new energy power station according to claim 1, characterized in that: The limiting component includes two sliding grooves formed in the top of the bottom plate (2), two connecting sliding blocks (16) are slidably connected to the inner walls of the sliding grooves, and fixed insertion blocks (15) are fixedly connected to the tops of the connecting sliding blocks (16) on the left and right sides. The outer walls of the fixed insertion blocks (15) are inserted into the inner walls of the connecting blocks (14), and two-way screws (17) are threadedly connected to the inner walls of the connecting sliding blocks (16) on the rear side.

3. The miniature vacuum circuit breaker for new energy power stations according to claim 2, characterized in that: The right side of the bottom plate (2) is rotatably connected to an adjusting knob (8), and the right end of the two-way screw (17) is fixedly connected to the rear end of the adjusting knob (8).

4. The miniature vacuum circuit breaker for new energy power stations according to claim 3, characterized in that: The right side of the fixed plate (4) on the right side is slidably connected to a limiting insertion block (9), and twelve limiting grooves are formed in the outer wall of the adjusting knob (8), and the outer wall of the limiting insertion block (9) is inserted into the inner wall of the limiting groove.

5. The miniature vacuum circuit breaker for new energy power stations according to claim 2, characterized in that: Two limiting rods (18) are fixedly connected to the inner walls of the front sliding grooves, and the inner walls of the connecting sliding blocks (16) on the front side are slidably connected to the outer walls of the limiting rods (18).

6. The miniature vacuum circuit breaker for a new energy power station according to claim 1, characterized in that: The adjusting assembly includes a limiting sliding block (12) slidably connected to the inner wall of the reinforcing tube (6), the rear end of the reinforcing screw (7) abuts against the front end of the limiting sliding block (12), six adjusting sliding blocks (13) are fixedly connected to the outer wall of the limiting sliding block (12), the side away from the six adjusting sliding blocks (13) abuts against the side near the six reinforcing rotating blocks (10), and a limiting spring (11) is arranged in the reinforcing tube (6).

7. The miniature vacuum circuit breaker for new energy power stations according to claim 6, characterized in that: One end of the limiting spring (11) is fixedly connected to the rear side of the inner wall of the reinforcing tube (6), and the other end of the limiting spring (11) is fixedly connected to the rear end of the limiting sliding block (12).

8. The miniature vacuum circuit breaker for new energy power stations according to claim 1, characterized in that: The rubber strips (19) are fixedly connected to the left and right sides of the baffle (5).

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