CN204257492U - Outdoor 35kV vacuum circuit-breaker - Google Patents

Abstract

This practicality relates to a kind of outdoor 35kV vacuum circuit-breaker, comprise A, B, C three-phase pole, operating mechanism case and pedestal, operating mechanism case is provided with installation screw, bolt is fixedly connected with pedestal and operating mechanism case through installation screw, spring operating mechanism and secondary control loop is held in operating mechanism case, be provided with the connecting rod keeping the switch motion in three-phase pole consistent in pedestal, the end of spring operating mechanism acts on connecting rod through through hole.By the setting of above structure, Switch main body, operating mechanism are placed in three-phase pole and operating mechanism case, middle pedestal is in order to the switch gearing in fixing three-phase pole and maintenance three-phase pole, the overall structure of vacuum circuit-breaker is clear, and module is complete compact, substantially reduces the volume of product, bring great convenience to Product transport, in addition, product operates steadily, and is beneficial to and makes solid reliable power distribution network.

Description

Outdoor 35kV vacuum circuit breaker

technical field

The utility model relates to an outdoor 35kV vacuum circuit breaker. the

Background technique

The outdoor 35kV vacuum circuit breaker includes a switch body, an operating mechanism for controlling the transmission of the switch body, and a secondary control box. Existing 35kV vacuum circuit breakers have a variety of mechanical structures, and the internal design of each module is complicated, resulting in many problems such as large size, inconvenient transportation, and unstable operation of the mechanism.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art and provide an outdoor 35kV vacuum circuit breaker with simple and compact structure, clear module division, and split structure of the switch body and the operating mechanism.

In order to achieve the above purpose, the utility model adopts such an outdoor 35kV vacuum circuit breaker, including A, B, C three-phase poles, an operating mechanism box and a base, and the operating mechanism box is provided with mounting screw holes , bolts pass through the mounting screw holes and fixedly connect the base and the operating mechanism box, the operating mechanism box contains the spring operating mechanism and the secondary control circuit, the base There is a connecting rod for keeping the switching actions in the three-phase poles consistent, and the end of the spring operating mechanism acts on the connecting rod through the through hole. Compared with the prior art, the beneficial effect of the utility model is reflected in: through the configuration of the above structure, the switch body and the operating mechanism are placed in the three-phase pole and the operating mechanism box, and the middle base is used to fix The three-phase poles and the switches in the three-phase poles are linked together. The overall structure of the vacuum circuit breaker is clear, and the modules are complete and compact, which greatly reduces the volume of the product and brings great convenience to product transportation. In addition, the product runs smoothly. , which is conducive to building a solid and reliable distribution network.

In particular, the three-phase pole includes a single-phase pole sealed by the top cover, the insulating cylinder of the single-phase pole is provided with a main conductive loop, and the main conductive loop includes an upper terminal, The vacuum tube, the conductive clip, the soft connection and the lower connection terminal, and the operating mechanism act on the moving end of the vacuum tube through the sequentially driven guide sleeve, insulating pull rod and support rod. Through the setting of the above structure, the main conductive circuit is built into the insulating cylinder of the pole. While preventing fire, it can effectively prevent dust, rain or other harmful substances in the environment from entering the insulating cylinder, and protect the main conductive circuit in the pole from damage. High safety and long service life.

In particular, the operating mechanism box is provided with a door, and a secondary terminal block is provided in the door, and the secondary terminal block respectively leads to a control circuit, a signal indication circuit and an auxiliary function circuit. The control circuit includes a circuit breaker control switch and a remote/local switch, the signal indication circuit includes a circuit breaker status indicator and an energy storage status indicator, and the auxiliary function circuit includes an anti-condensation heater and a mechanical operation counter. Through the setting of the above structure, the structure of the secondary control circuit of the vacuum circuit breaker is clear, and the wiring is simplified and clear, which is beneficial to the assembly and maintenance of the circuit.

Description of drawings

Fig. 1 is the overall perspective view of the utility model outdoor 35kV vacuum circuit breaker;

Fig. 2 is the front view of the operation control box in the outdoor 35kV vacuum circuit breaker of the present invention;

Fig. 3 is a perspective view of the operating control box in the outdoor 35kV vacuum circuit breaker of the present invention;

Fig. 4 is a cross-sectional view of a single-phase pole in the outdoor 35kV vacuum circuit breaker of the present invention.

In the figure: A, pole; A1, top cover; A2, upper terminal; A3, vacuum tube; A4, insulating cylinder; A5, lower terminal; A6, conductive clip; A7, soft connection; A8, support rod; A9 , insulating rod; A10, guide sleeve; B, operating mechanism box, B1, anti-condensation heater, B2, circuit breaker status indicator; B3, energy storage status indicator; B4, mechanical operation counter; B5, circuit breaker Control switch; B6, remote/local switch; B7, secondary wiring terminal block; B8, door; B9, mounting screw hole; B10, through hole; C, base.

Detailed ways

As shown in Figures 1 to 4, an outdoor 35kV vacuum circuit breaker includes A, B, and C three-phase pole A, an operating mechanism box B, and a base C. The operating mechanism box B is provided with mounting screw holes B9 , the bolt passes through the mounting screw hole B9 and fixedly connects the base C and the operating mechanism box B. The operating mechanism box B contains the spring operating mechanism and the secondary control circuit. The connecting rod with the same switch action, the end of the spring operating mechanism acts on the connecting rod through the through hole B10.

The three-phase pole A includes a single-phase pole sealed by the top cover, and the insulating cylinder A4 of the single-phase pole is provided with a main conductive circuit. The main conductive circuit includes the upper terminal A2, the vacuum tube A3, the conductive clip A6, and the soft connection A7 And the lower connection terminal A5, the operating mechanism acts on the moving end of the vacuum tube A3 through the guide sleeve A10, the insulating pull rod A9, and the support rod A8 that are driven in sequence.

The operating mechanism box is provided with a door B8, and the door B8 is provided with a secondary terminal block B7, which respectively leads to a control circuit, a signal indication circuit and an auxiliary function circuit. The control circuit includes a circuit breaker control switch B5 and a remote control circuit. /Local switch B6, the signal indication circuit includes circuit breaker status indicator B2 and energy storage status indicator B3, the auxiliary function circuit includes anti-condensation heater B1, mechanical operation counter B4.

Claims (3)

1. an outdoor 35kV vacuum circuit-breaker, it is characterized in that: comprise A, B, C three-phase pole, operating mechanism case and pedestal, described operating mechanism case is provided with installation screw, bolt is fixedly connected with described pedestal and described operating mechanism case through described installation screw, spring operating mechanism and secondary control loop is held in described operating mechanism case, be provided with the connecting rod keeping the switch motion in three-phase pole consistent in described pedestal, the end of described spring operating mechanism acts on described connecting rod through through hole.

2. outdoor 35kV vacuum circuit-breaker according to claim 1, it is characterized in that: described three-phase pole comprises the single-phase pole by top seal, main conductive circuit is provided with in the insulating cylinder of described single-phase pole, described main conductive circuit comprises upper connecting terminal, vacuum tube, conductive clip, is flexible coupling and lower connecting terminal, and operating mechanism acts on the moved end of described vacuum tube through the fairlead of transmission successively, insulated tension pole, support bar.

3. outdoor 35kV vacuum circuit-breaker according to claim 1 and 2, it is characterized in that: described operating mechanism case is provided with door, secondary wiring terminals row is provided with in described door, described secondary wiring terminals row draws control loop, signal designation loop and auxiliary functions respectively, described control loop comprises breaker control switch and long-range/local switch, described signal designation loop comprises circuit-breaker status indicating device and energy storage state indicating device, described auxiliary functions comprises anti-condensation heater, mechanically actuated operation counter.