CN217114219U - Three-station vacuum circuit breaker - Google Patents

Abstract

The utility model discloses a three-station vacuum circuit breaker, including circuit breaker mechanism case, the right side of circuit breaker mechanism case is connected with circuit breaker control box, gu seal utmost point post is installed to the front view of circuit breaker mechanism case, gu seal utmost point post's top and be equipped with the inlet wire supporting seat, the inside of inlet wire supporting seat is equipped with the inlet wire static contact, be connected with the isolation knife on the inlet wire supporting seat, the top of circuit breaker mechanism case is equipped with the isolator operating axis, the side lower extreme of circuit breaker mechanism case is equipped with the earthing switch operating axis, the bottom of circuit breaker mechanism case is equipped with earthing switch, gu be equipped with out the line seat on sealing utmost point post, the side of circuit breaker control box is equipped with door plant and lock shaft coupling, be equipped with operating panel and ya keli lid plywood on the door plant. The utility model discloses a set up three solid utmost point posts that seal for the station increases like this, and work efficiency improves to owing to adopt modular operating device, can independently change or maintain, interchangeability is good, has improved the device's practicality greatly.

Description

Three-station vacuum circuit breaker

Technical Field

The utility model relates to a circuit breaker design technical field especially relates to a three-station vacuum circuit breaker.

Background

The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

The existing vacuum circuit breaker has fewer stations and is relatively complex to install and disassemble, a wire outlet end needs to be contacted and operated by workers, the danger is high, and the state of the isolation knife is inconvenient to watch after the isolation knife is opened, so that a three-station vacuum circuit breaker needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving present vacuum circuit breaker station less, the installation is comparatively loaded down with trivial details with the dismantlement to the leading-out terminal needs staff's contact operation, and dangerous great, the inconvenient problem of watching its state behind the isolation sword separating brake, and the three station vacuum circuit breaker who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a three-station vacuum circuit breaker, includes circuit breaker mechanism case, the right side of circuit breaker mechanism case is connected with circuit breaker control box, gu seal utmost point post is installed to the front view face of circuit breaker mechanism case, gu seal utmost point post's top and be equipped with the inlet wire supporting seat, the inside of inlet wire supporting seat is equipped with the inlet wire static contact, be connected with the isolation knife on the inlet wire supporting seat, the top of circuit breaker mechanism case is equipped with the isolator operating axis, the side lower extreme of circuit breaker mechanism case is equipped with the earthing switch operating axis, the bottom of circuit breaker mechanism case is equipped with earthing switch, gu be equipped with out the line seat on the utmost point post, the side of circuit breaker control box is equipped with door plant and lock shaft coupling, be equipped with operating panel and inferior gram force lid plywood on the door plant, the front view face of circuit breaker control box is equipped with binding post.

Preferably, three positions of the solid-sealed polar pole are arranged on the front view surface of the circuit breaker mechanism box, and the solid-sealed polar pole is made of environment-friendly insulating materials.

Preferably, the incoming line supporting seat is connected with the incoming line static contact in a clamping mode, and the incoming line supporting seat is connected with the top of the solid-sealed pole in a welding mode.

Preferably, the isolating knife is connected with the incoming line supporting seat through a rotating shaft, the rotating shaft is driven through an isolating switch operating shaft, and the isolating knife is provided with a visible fracture after being switched off.

Preferably, the wire outlet seat is provided with a non-contact type electrified display sensor and is fixedly connected with the solid-sealed polar pole through a screw.

Preferably, ya keli approximately closes the plywood and is flip structure on operating panel, be equipped with the sealing strip on yakeli approximately closes the inner wall of board.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model has the advantages that the number of the stations is increased by arranging three solid-sealed polar columns, the working efficiency is improved, and the modular operating mechanism is adopted, so that the device can be independently replaced or maintained, the interchangeability is good, and the practicability of the device is greatly improved;

2. the utility model discloses a through setting up inlet wire supporting seat and inlet wire static contact, after setting up three solid utmost point posts of sealing like this, can be connected to the inlet wire supporting seat with the inlet wire static contact block, thereby be convenient for install and dismantle the inlet wire static contact through the block connection, improve the convenience of work;

3. the utility model discloses a setting is through setting up isolation sword and isolator operating axis, can drive three isolation swoves through the isolator operating axis is unified like this and open and shut, and is very convenient to there is visual fracture to make things convenient for the staff to judge the position and the state of keeping apart the sword after keeping apart the sword separating brake, it is very convenient.

Drawings

Fig. 1 is a schematic front view of an internal structure of a three-position vacuum circuit breaker according to the present invention;

fig. 2 is a schematic side view of an incoming line supporting seat of a three-station vacuum circuit breaker according to the present invention;

fig. 3 is the utility model provides a three station vacuum circuit breaker's a department enlargies the structure schematic diagram.

In the figure: 1. a circuit breaker mechanism box; 2. a circuit breaker operating box; 3. solid-sealing the pole; 4. a wire inlet supporting seat; 5. leading in a static contact; 6. an isolation knife; 7. an isolating switch operating shaft; 8. a ground switch operating shaft; 9. a grounding switch; 10. a wire outlet seat; 11. a door panel; 12. a door lock coupling; 13. an operation panel; 14. acrylic plywood; 15. and a terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, a three-station vacuum circuit breaker comprises a circuit breaker mechanism box 1, a circuit breaker control box 2 is connected to the right side of the circuit breaker mechanism box 1, an embedded pole 3 is installed on the front view surface of the circuit breaker mechanism box 1, an incoming line supporting seat 4 is arranged at the top end of the embedded pole 3, an incoming line static contact 5 is arranged inside the incoming line supporting seat 4, an isolation knife 6 is connected to the incoming line supporting seat 4, an isolation switch operating shaft 7 is arranged at the top end of the circuit breaker mechanism box 1, an earthing switch operating shaft 8 is arranged at the lower end of the side surface of the circuit breaker mechanism box 1, an earthing switch 9 is arranged at the bottom end of the circuit breaker mechanism box 1, an outgoing line seat 10 is arranged on the embedded pole 3, a door panel 11 and a door lock coupling shaft 12 are arranged on the side surface of the circuit breaker control box 2, an operating panel 13 and an acrylic cover 14 are arranged on the door panel 11, and a wiring terminal 15 is arranged on the front view surface of the circuit breaker control box 2;

it is worth mentioning that the embedded pole 3 is provided with three positions on the front view surface of the breaker mechanism box 1, the embedded pole 3 is made of environment-friendly insulating materials, the three embedded poles 3 are arranged, so that the work stations are increased, the work efficiency is improved, and the modular operating mechanism is adopted, so that the device can be independently replaced or maintained, the interchangeability is good, and the practicability of the device is greatly improved;

it is worth mentioning that the incoming line supporting seat 4 is connected with the incoming line static contact 5 in a clamping manner, the incoming line supporting seat 4 is connected with the top of the embedded pole 3 in a welding manner, and the incoming line supporting seat 4 and the incoming line static contact 5 are arranged, so that the incoming line static contact 5 can be connected to the incoming line supporting seat 4 in a clamping manner after the three embedded poles 3 are arranged, the incoming line static contact 5 can be conveniently mounted and dismounted through the clamping connection, and the convenience of work is improved;

it is worth mentioning that the isolating knife 6 is connected with the incoming line supporting seat 4 through a rotating shaft, the rotating shaft is driven through the isolating switch operating shaft 7, the isolating knife 6 is provided with a visible fracture after opening, and the isolating knife 6 and the isolating switch operating shaft 7 are arranged, so that the three isolating knives 6 can be uniformly driven to open and close through the isolating switch operating shaft 7, the operation is very convenient, and the visible fracture is formed after the isolating knife 6 opens, so that a worker can conveniently judge the position and the state of the isolating knife 6, and the operation is very convenient;

it is worth mentioning that the outlet base 10 is provided with a non-contact type live display sensor, the outlet base 10 is fixedly connected with the solid-sealed polar pole 3 by using a screw, and the outlet base 10 is arranged, so that a worker can use the outlet base 10 more safely and conveniently by using a non-contact type induction technology, and the safety performance of the equipment is greatly improved;

what is worth mentioning is that, ya keli approximately closes plywood 14 for flip structure on operating panel 13, is equipped with the sealing strip on inferior keli approximately 14's the inner wall, can close inferior keli approximately 14 like this when not using operating panel 13 to protect the button on operating panel 13, and be equipped with the sealing strip on inferior keli approximately 14 inner wall and can play the sealed effect of enhancement, prevent that the dust from getting into inside.

Now, the use principle of the present invention is described as follows:

when the utility model is used, firstly, after three solid-sealed polar poles 3 are installed on the front view surface of the breaker mechanism box 1, the incoming line static contact 5 can be clamped and connected to the incoming line supporting seat 4, the incoming line static contact 5 can be conveniently installed and disassembled through clamping connection, the convenience of work is improved, and the three solid-sealed polar poles 3 are arranged, so that the work station is increased, the work efficiency is improved, and the three solid-sealed polar poles 6 can be independently replaced or maintained due to the adoption of the modular operating mechanism, the interchangeability is good, the practicability of the device is greatly improved, the three isolation knives 6 can be uniformly driven to open and close through the isolation switch operating shaft 7 in the control process, the operation is very convenient, and the visible fracture is formed after the isolation knives 6 are separated, so that the operators can conveniently judge the position and the state of the isolation knives 6, the operation is very convenient, and the operators can use the outgoing line seat 10 more safely and conveniently through the non-contact sensing technology, the security performance of this equipment has been improved greatly, can close ya keli lid plywood 14 when not using operating panel 13 at last to protect the button on the operating panel 13, and be equipped with the sealing strip on the 14 inner walls of ya keli lid plywood and can play the sealed effect of enhancement, prevent that the dust from getting into inside.

In the present invention, unless otherwise expressly stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood in a broad sense, e.g. as welded connections, as bolted connections, or as integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A three-station vacuum circuit breaker comprises a circuit breaker mechanism box (1) and is characterized in that the right side of the circuit breaker mechanism box (1) is connected with a circuit breaker control box (2), a solid-sealed polar pole (3) is installed on the front view surface of the circuit breaker mechanism box (1), a wire inlet supporting seat (4) is arranged at the top end of the solid-sealed polar pole (3), a wire inlet static contact (5) is arranged inside the wire inlet supporting seat (4), an isolation knife (6) is connected onto the wire inlet supporting seat (4), an isolation switch operating shaft (7) is arranged at the top end of the circuit breaker mechanism box (1), a grounding switch operating shaft (8) is arranged at the lower end of the side surface of the circuit breaker mechanism box (1), a grounding switch (9) is arranged at the bottom end of the circuit breaker mechanism box (1), a wire outlet seat (10) is arranged on the solid-sealed polar pole (3), a door panel (11) and a door lock coupling shaft (12) are arranged on the side surface of the circuit breaker control box (2), be equipped with operating panel (13) and ya keli plywood (14) on door plant (11), the front view face of circuit breaker control box (2) is equipped with binding post (15).

2. A three-station vacuum circuit breaker according to claim 1, characterized in that the embedded pole (3) is installed at three positions on the front view surface of the breaker mechanism box (1), and the embedded pole (3) is made of environment-friendly insulating material.

3. The three-station vacuum circuit breaker according to claim 1, wherein the incoming line supporting seat (4) is connected with the incoming line static contact (5) in a clamping manner, and the incoming line supporting seat (4) is connected with the top of the solid-sealed pole (3) in a welding manner.

4. A three-position vacuum circuit breaker according to claim 1, characterized in that the isolating blade (6) is connected with the incoming line support base (4) through a rotating shaft, the rotating shaft is driven by the isolating switch operating shaft (7), and the isolating blade (6) has a visible fracture after opening.

5. The three-station vacuum circuit breaker according to claim 1, wherein the outgoing line seat (10) is provided with a non-contact type live display sensor, and the outgoing line seat (10) is fixedly connected with the embedded pole (3) by using a screw.

6. The three-station vacuum circuit breaker according to claim 1, wherein the acrylic cover plate (14) is of a flip structure on the operation panel (13), and a sealing strip is arranged on the inner wall of the acrylic cover plate (14).

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