High-voltage vacuum circuit breaker with good stability

Abstract

The utility model belongs to the technical field of high-voltage vacuum circuit breakers, and particularly relates to a high-voltage vacuum circuit breaker with good stability, which comprises an operation box. Ventilation openings are symmetrically formed in the left side wall and the right side wall of the operation box; a driving motor is started through a controller, the driving motor drives a driven rod to rotate, a driving gear is connected to the side wall of a driven rack in a meshed mode, a groove is formed in the position, corresponding to the fixed rail, of the back face of the driven rack, and the groove and the driven rack are connected in a sliding mode. The driving gear drives the driven rack to slide downwards on the end face of the fixed rail, so that the driven rack drives the dust removal brush to move downwards, and then the dust removal brush cleans dust on the end face of the ventilation opening. And therefore, the brushed dust is blown out by wind generated by the ventilation fan, the ventilation effect is improved, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage vacuum circuit breakers, in particular to a high-voltage vacuum circuit breaker with good stability. Background Art

[0002] Outdoor high-voltage vacuum circuit breakers are important circuit control and operation equipment in current power transmission and transformation lines and power supply lines. High-voltage vacuum circuit breakers are named because their arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; they have the advantages of small size, light weight, suitable for frequent operation, and arc extinguishing without maintenance. They are widely used in distribution networks and can be used for protection and control of electrical equipment in industrial and mining enterprises, power plants, and substations. They are especially suitable for use in places that require oil-free, less maintenance, and frequent operation;

[0003] Existing devices are generally installed outdoors. As time goes by, dust in the air will get stuck in the filter mesh of the filter, which will make the ventilation effect worse and cause the internal temperature of the device to rise, thereby reducing the service life of the device. Therefore, a high-voltage vacuum circuit breaker with good stability is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art, dust in the air will be blocked in the filter mesh of the filter, making the ventilation effect worse, causing the internal temperature of the device to rise, thereby reducing the service life of the device. The utility model proposes a high-voltage vacuum circuit breaker with good stability.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a high-voltage vacuum circuit breaker with good stability, comprising an operating box; vents are symmetrically opened on the left and right side walls of the operating box, a plurality of ventilation limit plates are connected to the inner cavity side walls of the vents, the left and right side walls of the ventilation limit plates are connected to the vents through connecting vertical plates, a dust removal device is connected to the side walls of the vents, the dust removal device comprises a dust removal brush, the dust removal brush is corresponding to the end face of the vent, the left and right ends of the dust removal brush are symmetrically connected to driven racks, the bottom of the driven rack is connected to a fixed rail, the fixed rail is connected to the end face of the vent, the end face of the driven rack is meshed and connected with a driving gear, a driven rod is passed through the center of the driving gear, the two ends of the driven rod are symmetrically connected to the side walls of the connecting vertical plates, and the end face side walls of the driven rod and located on the outside of the connecting vertical plates are transmission-connected with a driving motor.

[0006] Preferably, holes are provided on the side walls of the connecting vertical plates corresponding to the driven rods, and the holes are connected to the driven rods in a rotational manner.

[0007] Preferably, the bottom of the vent is connected to a connecting transverse plate, which is connected to the inner cavity end face of the ventilation limit plate, and connecting holes are provided on the end face of the connecting transverse plate corresponding to the fixed rail, and the circumference of the connecting hole is greater than the circumference of the driven rack.

[0008] Preferably, the back of the vent is connected to a connecting frame via a plurality of sets of fixed connecting rods, the center of the connecting frame is connected to a servo motor via a ventilation fan, and the servo motor corresponds to the back of the vent.

[0009] Preferably, a groove is provided on the back side of the driven rack corresponding to the fixed track, and the groove and the driven rack are connected by a sliding connection.

[0010] Preferably, a high-voltage circuit breaker body is fixedly connected to the end surface of the operation box.

[0011] The utility model is beneficial in that:

[0012] 1. The utility model starts a driving motor through a controller, so that the driving motor drives the driven rod to rotate, and a driving gear is meshed and connected on the side wall of the driven rack, and a groove is provided on the back side of the driven rack corresponding to the fixed track, and the connection mode of the groove and the driven rack is a sliding connection, so that the driving gear drives the driven rack to slide downward on the end face of the fixed track, so that the driven rack drives the dust removal brush to move downward, and then the dust removal brush cleans the dust on the end face of the vent, and the servo motor is started by the controller, so that the servo motor drives the ventilation fan to rotate, so that the wind generated by the ventilation fan blows out the brushed dust, thereby improving the ventilation effect and increasing the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the positive measurement structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the vent structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the dust removal device of the utility model;

[0017] Figure 4 It is a schematic diagram of the disassembled structure of the dust removal device of the utility model.

[0018] In the figure: 1. operation box; 2. ventilation limit plate; 3. ventilation port; 4. connecting horizontal plate; 5. connecting vertical plate; 6. dust removal device; 601. dust removal brush; 602. driven rack; 603. fixed track; 604. driving gear; 605. driven rod; 606. driving motor; 607. connecting hole; 608. fixed connecting rod; 609. connecting frame; 610. ventilation fan; 611. servo motor; 7. high-voltage circuit breaker body. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The following is combined with Figure 1-4 To further explain this application:

[0021] The present application embodiment discloses a high voltage vacuum circuit breaker with good stability. Figure 1 and Figure 4 A high-voltage vacuum circuit breaker with good stability includes an operation box 1; vents 3 are symmetrically opened on the left and right side walls of the operation box 1, multiple sets of ventilation limit plates 2 are connected to the inner cavity side walls of the vents 3, the left and right side walls of the ventilation limit plates 2 are connected to the vents 3 through connecting vertical plates 5, and the side walls of the vents 3 are connected to a dust removal device 6, the dust removal device 6 includes a dust removal brush 601, the dust removal brush 601 corresponds to the end surface of the vent 3, and the left and right ends of the dust removal brush 601 are symmetrical A driven rack 602 is connected, and a fixed rail 603 is connected to the bottom of the driven rack 602. The fixed rail 603 is connected to the end face of the vent 3. A driving gear 604 is meshed and connected to the end face of the driven rack 602. A driven rod 605 passes through the center of the driving gear 604. Both ends of the driven rod 605 are symmetrically connected to the side walls of the connecting vertical plate 5. A driving motor 606 is transmission-connected to the side walls of the end face of the driven rod 605 and is located on the outer side of the connecting vertical plate 5.

[0022] Reference Figure 1 and Figure 4First, the driving motor 606 is started by the controller, and both ends of the driven rod 605 are symmetrically connected to the side wall of the connecting vertical plate 5. The driving motor 606 is transmission-connected on the end face side wall of the driven rod 605 and located on the outer side of the connecting vertical plate 5. Holes are respectively opened on the side walls of the connecting vertical plate 5 corresponding to the driven rod 605, and the holes are respectively connected to the driven rod 605 in a rotational connection, so that the driving motor 606 drives the driven rod 605 to rotate. A driving gear 604 is meshed and connected on the side wall of the driven rack 602. A groove is opened on the back of the driven rack 602 corresponding to the fixed track 603, and the groove is connected to the driven rack 602 in a sliding connection. The left and right ends of the dust removal brush 601 are symmetrically connected to the driven rack 60 2. Under the condition that the bottom of the driven rack 602 is connected to the fixed track 603, the driving gear 604 drives the driven rack 602 to slide downward on the end surface of the fixed track 603, so that the driven rack 602 drives the dust removal brush 601 to move downward, and then the dust removal brush 601 cleans the dust on the end surface of the vent 3. The servo motor 611 is started by the controller, and the back of the vent 3 is connected to the connecting frame 609 through multiple groups of fixed connecting rods 608. The center of the connecting frame 609 is connected to the servo motor 611 through the ventilation fan 610. The servo motor 611 corresponds to the design of the back of the vent 3, so that the servo motor 611 drives the ventilation fan 610 to rotate, so that the wind generated by the ventilation fan 610 blows out the brushed dust;

[0023] Working principle: first, the driving motor 606 is started through the controller, and holes are opened on the side walls of the connecting vertical plate 5 corresponding to the driven rod 605, and the holes are connected to the driven rod 605 in a rotating manner, so that the driving motor 606 drives the driven rod 605 to rotate, and a driving gear 604 is meshingly connected on the side wall of the driven rack 602, and a groove is opened on the back side of the driven rack 602 corresponding to the fixed track 603, and the groove is connected to the driven rack 602 in a sliding manner, so that the driving gear 604 drives the driven rack 602 to slide downward on the end face of the fixed track 603, so that the driven rack 602 drives the dust removal brush 601 to move downward, and then the dust removal brush 601 cleans the dust on the end face of the vent 3, and the servo motor 611 is started through the controller, so that the servo motor 611 drives the ventilation fan 610 to rotate, so that the wind generated by the ventilation fan 610 blows out the brushed dust, thereby improving the ventilation effect.

[0024] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A high-voltage vacuum circuit breaker with good stability, characterized in that: The invention comprises an operation box (1); the left and right side walls of the operation box (1) are symmetrically provided with ventilation holes (3); the inner cavity side walls of the ventilation holes (3) are connected to a plurality of ventilation limit plates (2); the left and right side walls of the ventilation limit plates (2) are connected to the ventilation holes (3) via connecting vertical plates (5); the side walls of the ventilation holes (3) are connected to dust removal devices (6); the dust removal devices (6) comprise dust removal brushes (601); the dust removal brushes (601) are corresponding to the end surfaces of the ventilation holes (3); the left and right ends of the dust removal brushes (601) are symmetrically connected to driven gears. The driven rack (602) is connected to a fixed track (603) at the bottom thereof, and the fixed track (603) is connected to the end face of the vent (3). The end face of the driven rack (602) is meshingly connected to a driving gear (604), and a driven rod (605) passes through the center of the driving gear (604). Both ends of the driven rod (605) are symmetrically connected to the side walls of the connecting vertical plate (5), and a driving motor (606) is drivingly connected to the side wall of the end face of the driven rod (605) and located on the outer side of the connecting vertical plate (5).

2. A high-voltage vacuum circuit breaker with good stability according to claim 1, characterized in that: The side walls of the connecting vertical plate (5) are provided with holes corresponding to the driven rods (605), and the holes are connected to the driven rods (605) in a rotational manner.

3. A high-voltage vacuum circuit breaker with good stability according to claim 1, characterized in that: A connecting transverse plate (4) is connected to the bottom of the ventilation opening (3), and the connecting transverse plate (4) is connected to the inner cavity end surface of the ventilation limit plate (2). Connecting holes (607) are respectively provided on the end surface of the connecting transverse plate (4) corresponding to the fixed rail (603), and the circumference of the connecting hole (607) is greater than the circumference of the driven rack (602).

4. A high-voltage vacuum circuit breaker with good stability according to claim 1, characterized in that: The back of the ventilation opening (3) is connected to a connecting frame (609) via a plurality of sets of fixed connecting rods (608); the center of the connecting frame (609) is connected to a servo motor (611) via a ventilation fan (610); and the servo motor (611) corresponds to the back of the ventilation opening (3).

5. A high-voltage vacuum circuit breaker with good stability according to claim 1, characterized in that: The back side of the driven rack (602) is provided with a groove corresponding to the fixed track (603), and the groove and the driven rack (602) are connected in a sliding manner.

6. A high-voltage vacuum circuit breaker with good stability according to claim 1, characterized in that: A high-voltage circuit breaker body (7) is fixedly connected to the end surface of the operating box (1).

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