Fault separation type reclosure based on line open-circuit data acquisition

Abstract

The utility model discloses a fault separation type reclosure based on line open-circuit data acquisition, which comprises an installation bottom plate, the side surface of the installation bottom plate is fixedly connected with a gate body, and the side surface, facing the gate body, of the installation bottom plate is fixedly connected with a positioning column. According to the fault separation type reclosure based on line open-circuit data collection, the protection baffle and the auxiliary baffle are arranged, the reclosure body is fully shielded through the protection baffle and the auxiliary baffle, impact generated in all directions can be conveniently protected, and after impact is received, the protection baffle drives the limiting sliding column to slide relative to the positioning column, so that the reclosure is more reliable. And meanwhile, the spring pushes the protective baffle to automatically reset, an auxiliary baffle is supported by the spring on the surface of the protective baffle, the protective performance is improved, when the protective baffle needs to be disassembled, an unlocking sliding block is slid to drive a first magnet to attract a second magnet, the second magnet drives a locking clamping block to slide for unlocking, and therefore the protective baffle can be disassembled. And the dismounting and maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reclosing switches, in particular to a fault separation type reclosing switch based on line disconnection data collection. Background Art

[0002] When the overhead line fault is cleared, the circuit breaker is closed in a short time, which is called reclosing. In fact, most overhead line faults are instantaneous or temporary, so reclosing is one of the self-restoring power supply methods commonly used in operation. In a few cases, it is a permanent fault. After the automatic reclosing device is actuated, it relies on the relay protection to trip again. Find out the cause, eliminate it and then supply power. This situation must be taken into consideration for oil circuit breakers, because during the first trip, the insulation strength of the oil has been reduced due to the action of the electric arc. When it trips for the second time after reclosing, it is carried out under the unfavorable condition that the insulation has been reduced. In the power transmission and distribution system, the recloser, as a fault interruption device, can automatically disconnect or reclose according to the set program, can effectively isolate the fault, and can also reclose the faulty line after the fault is cleared.

[0003] In 10kV and above power systems, most instantaneous faults occur on distribution line branches. Drop-out reclosers can be used as short-circuit protection switches. After a predetermined number of fault interruption operations, they fall to form an obvious disconnection point, cutting off the faulty section of the line or faulty equipment. Existing reclosers, such as a reclosing mechanism disclosed in publication number "CN220306181U", use a support sleeve, a support column and a protective plate structure to improve the protection capability of the reclosing during installation and use, buffer external impacts and collisions, reduce external interference, avoid damage to the reclosing during use, and increase the service life of the reclosing. However, the device only protects the surface of one end of the reclosing. When external impacts and collisions occur from the side where no protective structure is set, the device cannot effectively protect the reclosing, reducing its practicality. Utility Model Content

[0004] The purpose of the utility model is to provide a fault separation type reclosing switch based on line circuit breaker data collection, so as to solve the problem proposed in the above background technology that only one end surface of the reclosing switch is protected. When external impact and collision occur from the side where no protective structure is set, the device cannot effectively protect the reclosing switch, thereby reducing the practicality.

[0005] To achieve the above object, the utility model provides the following technical solution: A fault-separating reclosing based on line open-circuit data acquisition, including a mounting base plate, with a switch body fixedly connected to its side surface. The side surface of the mounting base plate facing the switch body is fixedly connected with positioning columns. An opening is provided on the surface of the positioning columns, and a limiting sliding column is slidably connected to the inner wall of the opening of the positioning columns. A protective baffle is installed on the outer surface of one end of the limiting sliding column. Grooves are provided on the upper and lower surfaces of the protective baffle, and auxiliary baffles are rotatably connected to the inner walls of the grooves of the protective baffle. A buffer groove is formed on the surface of the mounting base plate. A groove is provided on the surface of the limiting sliding column, and an unlocking slider is slidably connected to the inner wall of the groove of the limiting sliding column. A first magnet is fixedly connected to the surface of the unlocking slider. An opening is provided on the surface of the limiting sliding column, and a locking block is slidably connected to the inner wall of the opening of the limiting sliding column. A second magnet is fixedly connected to the surface of the locking block facing the unlocking slider.

[0006] Preferably, bolts are inserted through the side surface of the mounting base plate, and the mounting base plate and the switch body are fixedly connected by bolts.

[0007] With the above technical solution, when using this device, the mounting base plate and the switch body are fixedly connected by bolts.

[0008] Preferably, a spring is connected between the limiting sliding column and the positioning column. The horizontal cross-section of the protective baffle is designed in a concave shape. A spring is connected between the protective baffle and the auxiliary baffle.

[0009] With the above technical solution, when using this device, the spring between the limiting sliding column and the positioning column facilitates the sliding buffer between the limiting sliding column and the positioning column.

[0010] Preferably, the buffer groove is designed in a ring shape and corresponds to the protective baffle and the auxiliary baffle respectively.

[0011] With the above technical solution, when using this device, the concave shape design of the protective baffle facilitates the protection of three sides. At the same time, the remaining two sides are protected by two auxiliary baffles. And the ring-shaped design of the buffer groove facilitates the storage of the protective baffle and the auxiliary baffle.

[0012] Preferably, a spring is connected between the unlocking slider and the limiting sliding column. The opposite ends of the first magnet and the second magnet have opposite magnetic poles. A spring is connected between the locking block and the limiting sliding column, and the locking block and the protective baffle form a snap connection.

[0013] With the above technical solution, when using this device, the spring between the unlocking slider and the limiting sliding column facilitates the sliding reset. And the first magnet attracts the second magnet, causing the second magnet to drive the locking block to slide and unlock.

[0014] Preferably, one end of the limiting sliding column is fixedly connected with a piston column, and the inner wall of the cavity of the positioning column is fixedly connected with a friction airbag.

[0015] With the above technical solution, when using this device, the movement of the limiting sliding column causes the limiting sliding column to drive the piston column to slide.

[0016] Preferably, there is an air groove communicating between the piston column and the friction airbag, and the lower surface of the friction airbag is designed to be arc-shaped.

[0017] With the above technical solution, when using this device, the movement of the piston column pushes air into the friction airbag, facilitating the inflation and anti-slip of the friction airbag.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: This fault-separating reclosing based on line open-circuit data acquisition:

[0019] 1. There are a protective baffle and an auxiliary baffle. When the device works, the protective baffle and the auxiliary baffle fully shield the switch body, facilitating the protection against impacts from all directions. And after receiving an impact, the protective baffle drives the limiting sliding column to slide relative to the positioning column, causing the spring inside the positioning column to buffer. At the same time, the spring pushes the protective baffle to automatically reset. The auxiliary baffle is supported by the spring on the surface of the protective baffle, improving the protection performance. And when it is necessary to disassemble the protective baffle, sliding the unlocking slider drives the first magnet to attract the second magnet, causing the second magnet to drive the locking block to slide and unlock, improving the efficiency of disassembly, installation and maintenance;

[0020] 2. There are a mounting base plate and the switch body. When the device works, the switch body is connected to the data collection mechanism through a wire. Subsequently, after the first reclosing is gradually closed to the circuit breaker in the fault section, the fault causes all the circuit breakers to trip immediately. At this time, by judging this characteristic of the circuit breaker tripping immediately after closing, the fault point can be quickly isolated;

[0021] 3. There are a piston column and a friction airbag. When the device works, the sliding of the limiting sliding column drives the piston column to move, causing the piston column to push air into the friction airbag, making the friction airbag expand and fit on the surface of the limiting sliding column, thereby performing friction anti-slip on the limiting sliding column and decelerating the limiting sliding column, improving the buffering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural connection diagram of the protective baffle and the auxiliary baffle of the present utility model;

[0023] Figure 2 It is a three-dimensional structural connection diagram of the mounting base plate and the switch body of the present utility model;

[0024] Figure 3Schematic three-dimensional structure diagram of the connection between the mounting base plate and the positioning column of the present utility model;

[0025] Figure 4 Schematic three-dimensional structure diagram of the connection between the mounting base plate and the positioning column of the present utility model;

[0026] Figure 5 Schematic three-dimensional structure diagram of the connection between the positioning column and the friction airbag of the present utility model;

[0027] Figure 6 Schematic three-dimensional structure diagram of the connection between the locking block and the second magnet of the present utility model.

[0028] In the figure: 1, mounting base plate; 2, brake body; 3, positioning column; 4, limit sliding column; 5, protective baffle; 6, auxiliary baffle; 7, buffer groove; 8, unlocking slider; 9, first magnet; 10, locking block; 11, second magnet; 12, piston column; 13, friction airbag. Specific implementation mode

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1-6 , the present utility model provides a technical solution: a fault-separating reclosing based on line break data acquisition, including a mounting base plate 1, a brake body 2, a positioning column 3, a limit sliding column 4, a protective baffle 5, an auxiliary baffle 6, a buffer groove 7, an unlocking slider 8, a first magnet 9, a locking block 10, a second magnet 11, a piston column 12 and a friction airbag 13. The side surface of the mounting base plate 1 is fixedly connected with the brake body 2. The side surface of the mounting base plate 1 is penetrated by bolts, and the mounting base plate 1 and the brake body 2 are fixedly connected by bolts. When using this device, first, the brake body 2 is attached to the side surface of the mounting base plate 1, and the mounting base plate 1 and the brake body 2 are connected and fixed by bolts passing through the mounting base plate 1. The wire of the brake body 2 penetrates the surface of the mounting base plate 1 and is connected to external equipment. Subsequently, the limit sliding column 4 is passed through the opening on the surface of the protective baffle 5, so that the locking block 10 on the surface of the limit sliding column 4 slides to clamp and fix the protective baffle 5.

[0031] The side surface of the mounting base plate 1 facing the brake body 2 is fixedly connected with a positioning column 3. An opening is provided on the surface of the positioning column 3, and a limiting sliding column 4 is slidably connected to the inner wall of the opening of the positioning column 3. A spring is connected between the limiting sliding column 4 and the positioning column 3. The horizontal cross-section of the protective baffle 5 is designed in a concave shape. A spring is connected between the protective baffle 5 and the auxiliary baffle 6. The buffer groove 7 is designed in a ring shape and corresponds to the protective baffle 5 and the auxiliary baffle 6 respectively. During operation, the brake body 2 is protected by the protective baffle 5 and the auxiliary baffle 6. The rotation of the auxiliary baffle 6 facilitates reducing the impact, and the spring on the surface of the protective baffle 5 supports the auxiliary baffle 6 to facilitate rotational reset. When the protective baffle 5 receives an impact, the protective baffle 5 drives the limiting sliding column 4 to slide relative to the positioning column 3, so that the spring on the inner wall of the positioning column 3 provides support. At the same time, the protective baffle 5 and the auxiliary baffle 6 slide into the buffer groove 7 for easy storage, improving the practicality.

[0032] A protective baffle 5 is installed on the outer surface of one end of the limiting sliding column 4. Grooves are provided on the upper and lower surfaces of the protective baffle 5, and an auxiliary baffle 6 is rotatably connected to the inner wall of the groove of the protective baffle 5. A spring is connected between the unlocking slider 8 and the limiting sliding column 4. The opposite ends of the first magnet 9 and the second magnet 11 have opposite magnetic poles. A spring is connected between the locking block 10 and the limiting sliding column 4, and the locking block 10 is engaged with the protective baffle 5. While the limiting sliding column 4 slides, it drives the piston column 12 to move, so that the piston column 12 pushes air into the friction airbag 13, facilitating the friction airbag 13 to expand and fit the limiting sliding column 4, making the limiting sliding column 4 be frictionally decelerated, thereby improving the buffering performance.

[0033] The surface of the mounting base plate 1 is provided with a buffer groove 7. The surface of the limit sliding column 4 is provided with a groove, and the inner wall of the groove of the limit sliding column 4 is slidably connected with an unlocking slider 8. The surface of the unlocking slider 8 is fixedly connected with a first magnet 9. The surface of the limit sliding column 4 is provided with an opening, and the inner wall of the opening of the limit sliding column 4 is slidably connected with a locking block 10. The surface of one end of the locking block 10 facing the unlocking slider 8 is fixedly connected with a second magnet 11. One end of the limit sliding column 4 is fixedly connected with a piston column 12. The inner wall of the cavity of the positioning column 3 is fixedly connected with a friction airbag 13. An air groove is communicated between the piston column 12 and the friction airbag 13. The lower surface of the friction airbag 13 is designed to be arc-shaped. During operation, the brake body 2 is connected to the data collection mechanism through a wire, so that the data collection mechanism collects the actions of each circuit breaker through the background. The first method: issue a program to require the second reclosing to reduce closing one switch less. Since the reclosing time is the same, the number of circuit breakers tripped simultaneously due to the fault is used to judge, and the action state of the circuit breaker is collected. After n circuit breakers act simultaneously, only n - 1 circuit breakers are closed, which is convenient for isolating the fault point. The second method: after the first reclosing closes the circuit breakers step by step to the fault section, the fault causes all the circuit breakers to trip immediately. At this time, the fault point is separated by judging the characteristics of the circuit breaker closing and tripping immediately.

[0034] Working principle: When using this fault-separating type reclosing based on line circuit breaker data collection, the mounting base plate 1 and the brake body 2 are fixedly installed through bolts. Subsequently, the limit sliding column 4 and the protective baffle 5 are clamped by the locking block 10. During operation, protection is carried out through the auxiliary baffle 6 and the protective baffle 5. The buffer groove 7 is convenient for storing the auxiliary baffle 6 and the protective baffle 5. The movement of the piston column 12 is driven by the sliding of the limit sliding column 4, so that the piston column 12 pushes air into the friction airbag 13, which is convenient for the friction airbag 13 to expand and fit to slow down and buffer. When it is necessary to unlock the limit sliding column 4 and the protective baffle 5, the first magnet 9 is driven by pushing the unlocking slider 8, so that the first magnet 9 attracts the second magnet 11. Subsequently, the second magnet 11 drives the locking block 10 to slide and unlock, improving the maintenance efficiency and increasing the overall practicality.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fault separation type reclosing switch based on line disconnection data collection, comprising a mounting base plate (1), a gate body (2) being fixedly connected to the side surface thereof, characterized in that: The side surface of the mounting base plate (1) facing the gate body (2) is fixedly connected with a positioning column (3), the surface of the positioning column (3) is provided with an opening, and the inner wall of the opening of the positioning column (3) is slidably connected with a limiting sliding column (4), the outer surface of one end of the limiting sliding column (4) is provided with a protective baffle (5), the upper and lower surfaces of the protective baffle (5) are provided with grooves, and the inner wall of the groove of the protective baffle (5) is rotatably connected with an auxiliary baffle (6), the surface of the mounting base plate (1) is provided with a buffer groove (7), the surface of the limiting sliding column (4) is provided with a groove, and the inner wall of the groove of the limiting sliding column (4) is slidably connected with an unlocking slider (8), and the surface of the unlocking slider (8) is fixedly connected with a first magnet (9), the surface of the limiting sliding column (4) is provided with an opening, and the inner wall of the opening of the limiting sliding column (4) is slidably connected with a locking block (10), and the surface of the locking block (10) facing one end of the unlocking slider (8) is fixedly connected with a second magnet (11).

2. A fault separation type reclosing switch based on line disconnection data collection according to claim 1, characterized in that: Bolts are installed through the side surface of the mounting base plate (1), and the mounting base plate (1) and the gate body (2) are fixedly connected by bolts.

3. The fault separation type reclosing device based on line disconnection data collection according to claim 1 is characterized in that: A spring is connected between the limit sliding column (4) and the positioning column (3); the horizontal cross section of the protective baffle (5) is designed to be concave; and a spring is connected between the protective baffle (5) and the auxiliary baffle (6).

4. The fault separation type reclosing device based on line disconnection data collection according to claim 1, characterized in that: The buffer groove (7) is of an annular design, and the buffer groove (7) corresponds to the protective baffle (5) and the auxiliary baffle (6) respectively.

5. The fault separation type reclosing device based on line disconnection data collection according to claim 1, characterized in that: A spring is connected between the unlocking slider (8) and the limiting slider (4); the magnetic poles of the first magnet (9) and the second magnet (11) facing each other are opposite; a spring is connected between the locking block (10) and the limiting slider (4); and the locking block (10) and the protective baffle (5) form a snap connection.

6. The fault separation type reclosing device based on line disconnection data collection according to claim 1, characterized in that: One end of the limit sliding column (4) is fixedly connected to a piston column (12), and the inner wall of the cavity of the positioning column (3) is fixedly connected to a friction airbag (13).

7. A fault separation type reclosing switch based on line disconnection data collection according to claim 6, characterized in that: An air groove is connected between the piston column (12) and the friction airbag (13), and the lower surface of the friction airbag (13) is designed to be arc-shaped.

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