CN202231348U

CN202231348U - Solid insulated breaker and isolating switch combined electrical apparatus

Info

Publication number: CN202231348U
Application number: CN2011203936617U
Authority: CN
Inventors: 黄小龙; 唐明
Original assignee: Changzhou Mecan Electrical Technology Development Co Ltd
Current assignee: Jiangsu Ming and electric Limited by Share Ltd
Priority date: 2011-10-17
Filing date: 2011-10-17
Publication date: 2012-05-23
Anticipated expiration: 2021-10-17

Abstract

The utility model relates to the technical field of high voltage electrical apparatus, in particular to a solid insulated breaker and isolating switch combined electrical apparatus, which is composed of a breaker operating mechanism, an isolating switch operating mechanism, a three-phase main return circuit and a casing. The three-phase main return circuits are respectively and independently arranged in an insulating cylinder, the isolating switch operating mechanism is located on the upper side of the breaker operating mechanism, and the breaker operating mechanism, the isolating switch operating mechanism and the three-phase main return circuit are all fixed on an installing plate of the casing. The three-phase main return circuit is respectively connected with the isolating switch operating mechanism and the breaker operating mechanism through the casing, and an upper line outgoing end and a lower line outgoing end are arranged at two ends of the casing respectively and connected with a conductive return circuit in the three-phase main return circuit to form a whole body. The solid insulated breaker and isolating switch combined electrical apparatus greatly saves installing space and reduces cost. Simultaneously, the solid insulated breaker and isolating switch combined electrical apparatus is installed integrally, when a switch cabinet is manufactured in one time, only a cable needs to be connected with a plug, thereby facilitating users.

Description

The circuit breaker of solid insulation and the combined electrical apparatus of isolating switch

Technical field

The utility model relates to high voltage electrical apparatus technical field, the especially a kind of circuit breaker of solid insulation and the combined electrical apparatus of isolating switch.

Background technology

Switchgear in the market generally is to be dielectric with air or the gas that is enclosed within the equipment; Therefore receive the inner pressure size of environment or Sealing Arrangement that very big relation is arranged; Because the leakage of the abominable or Sealing Arrangement of environment etc. all causes the accident easily, and switchgear all is an independent individual at present; It is bigger to take up room, and is unfavorable for miniaturization; And middle connection copper bar quantity is bigger, is unfavorable for that cost reduces.

The utility model content

For overcome existing switchgear take up room bigger, the deficiency that cost is high, the utility model provides a kind of circuit breaker of solid insulation and the combined electrical apparatus of isolating switch.

The utility model for the technical scheme that solves its technical problem employing is; A kind of circuit breaker of solid insulation and the combined electrical apparatus of isolating switch; Form by circuit breaker operation mechanism, isolator operating mechanism, three-phase major loop and housing; Said three-phase major loop independently is located at respectively in the insulating cylinder, and said isolating switch mechanism is positioned at the circuit breaker operation mechanism upside, and all is fixed on the mounting panel of housing; Said three-phase major loop is connected with circuit breaker operation mechanism with isolator operating mechanism respectively through housing; The two ends of said housing are respectively equipped with leading-out terminal and lower wire end, and the said leading-out terminal of going up is connected with the inner galvanic circle of three-phase major loop with lower wire end, constitutes an integral body.

Another embodiment according to the utility model; Further comprise and be provided with vacuum interrupter and isolating switch blade in the said insulating cylinder; Said isolating switch blade directly with circuit breaker under the outlet bearing link to each other; Isolating switch combined floodgate station cutter head and connection copper bar cast directly in the insulating cylinder, with the shared insulating cylinder of major loop.

Another embodiment according to the utility model; Comprise that further said lower wire end is directly connected to the inner vacuum interrupter upper end of major loop; Said vacuum interrupter lower end is through being flexible coupling and bearing links together; Directly inner with the being cast in insulating cylinder copper bar of last leading-out terminal is connected, and every phase major loop passes through that cable is connected the loop of an integral body of formation in last leading-out terminal and lower wire end and the cabinet.

The beneficial effect of the utility model is; The three-phase major loop adopts the solid insulation mode; All one independently in the insulating cylinder of every phase major loop, breaker vacuum arc control device and isolating switch major loop blade constitute an integral body, have saved the major loop space greatly; Dwindle phase spacing, improved the insulation property of circuit breaker and isolating switch major loop; The breaker mechanism miniaturization, integral width and highly very big dwindling of amplitude, isolator operating mechanism and circuit breaker operation mechanism integrated practiced thrift installing space greatly, reduced cost; Owing to being integrated installation, once cabinet type simultaneously at the making switch, only need cable directly to be connected and get final product with the termination, made things convenient for the user.

Description of drawings

Fig. 1 is the structural representation of the utility model,

Fig. 2 is the end view of the utility model;

Fig. 3 is the utility model internal structure sketch map;

Among the figure, 1, circuit breaker operation mechanism, 2, isolator operating mechanism, 3, major loop, 4, housing; 5, insulating cylinder, 6, mounting panel, 7, go up leading-out terminal, 8, lower wire end; 9, vacuum interrupter, 10, bearing, 11, isolating switch combined floodgate station cutter head, 12, copper bar; 13, be flexible coupling 14, insulated tension pole, 21, the isolating switch blade.

Embodiment

Like Fig. 1 is the structural representation of the utility model; A kind of circuit breaker of solid insulation and the combined electrical apparatus of isolating switch; Form by circuit breaker operation mechanism 1, isolator operating mechanism 2, three-phase major loop 3 and housing 4; Said three-phase major loop 3 independently is located at respectively in the insulating cylinder 5, and said isolating switch mechanism 2 is positioned at circuit breaker operation mechanism 1 upside, and all is fixed on the mounting panel 6 of housing 4; Said three-phase major loop 3 is connected with circuit breaker operation mechanism 1 with isolator operating mechanism 2 respectively through housing 4; The two ends of said housing 4 are respectively equipped with leading-out terminal 7 and lower wire end 8, and the said leading-out terminal 7 of going up is connected with three-phase major loop 3 inner galvanic circles with lower wire end 8, constitutes an integral body.

Be provided with vacuum interrupter 9 and isolating switch blade 21 in the said insulating cylinder 5; Said isolating switch blade 21 directly with circuit breaker under outlet bearing 10 link to each other; Isolating switch combined floodgate station cutter head 11 and connection copper bar 12 cast directly in the insulating cylinder 5, with major loop 3 shared insulating cylinders 5.

Said lower wire end 8 is directly connected to vacuum interrupter 9 upper ends of major loop 3 inside; Said vacuum interrupter 9 lower ends 13 link together with bearing 10 through being flexible coupling; Last leading-out terminal 7 directly is connected with the copper bars 12 that are cast in insulating cylinder 5 inside; Every phase major loop 3 is connected the loop of an integral body of formation through cable in last leading-out terminal 7 and lower wire end 8 and the cabinet.

The isolating switch blade 21 externally effect of mechanism rotates down, realizes that three stations of isolating switch switch, and vacuum circuit-breaker can be connected with isolator operating mechanism 2 through the insulated tension pole 14 that is connected with vacuum interrupter 9 lower ends, realizes the on/off switch of circuit breaker.

Position as shown in Figure 3 is that isolating switch blade 21 is in the isolated location, and when isolating switch blade 21 linked together with the copper bars 12 that are cast in insulating cylinder 5 inside, isolating switch closed a floodgate, main conductive circuit conducting this moment.

This combined electrical apparatus is made up of circuit breaker operation mechanism 1, isolator operating mechanism 2, three-phase major loop 3 and housing 4; Three-phase major loop 3 adopts the solid insulation mode; All one independently in the insulating cylinder 5 of every phase major loop 3, breaker vacuum arc control device 9 constitute an integral body with isolating switch blade 21, have saved the major loop space greatly; Dwindle phase spacing, improved the insulation property of circuit breaker and isolating switch major loop; The breaker mechanism miniaturization; Integral width and highly very big dwindling of amplitude; Isolator operating mechanism 2 is positioned at circuit breaker operation mechanism 1 upside; The two all is fixed on the mounting panel 6 of housing 4, and three-phase major loop 3 is connected with circuit breaker operation mechanism 1 with isolator operating mechanism 2 respectively through housing 4; Housing 4 tops and bottom have the outlet termination to be connected with three-phase major loop 3 inner conductive loops respectively, thereby have constituted an integral body; Circuit breaker and isolating switch integrated practiced thrift installing space greatly, simultaneously owing to be integrated installation, once in that to make switch cabinet type, only need cable directly to be connected with the termination and gets final product, and made things convenient for the user.

Claims

1. the combined electrical apparatus of the circuit breaker of a solid insulation and isolating switch; It is characterized in that; Form by circuit breaker operation mechanism (1), isolator operating mechanism (2), three-phase major loop (3) and housing (4); Said three-phase major loop (3) independently is located at respectively in the insulating cylinder (5), and said isolating switch mechanism (2) is positioned at circuit breaker operation mechanism (1) upside, and all is fixed on the mounting panel (6) of housing (4); Said major loop (3) is connected with circuit breaker operation mechanism (1) with isolator operating mechanism (2) respectively through housing (4); The two ends of said housing (4) are respectively equipped with leading-out terminal (7) and lower wire end (8), and the said leading-out terminal (7) of going up is connected with the inner galvanic circle of major loop (3) with lower wire end (8), constitutes an integral body.

2. the combined electrical apparatus of the circuit breaker of solid insulation according to claim 1 and isolating switch; It is characterized in that; Be provided with vacuum interrupter (9) and isolating switch blade (21) in the said insulating cylinder (5); Said isolating switch blade (21) directly with circuit breaker under outlet bearing (10) link to each other, isolating switch combined floodgate station cutter head (11) and connection copper bar (12) cast directly in the insulating cylinder (5), with the shared insulating cylinder of major loop (3) (5).

3. the combined electrical apparatus of the circuit breaker of solid insulation according to claim 1 and isolating switch; It is characterized in that; Said lower wire end (8) is directly connected to inner vacuum interrupter (9) upper end of major loop (3); Said vacuum interrupter (9) lower end links together with bearing (10) through be flexible coupling (13); Directly inner with being cast in insulating cylinder (5) copper bar (12) of last leading-out terminal (7) is connected, and every phase major loop (3) passes through that cable is connected the loop of an integral body of formation in last leading-out terminal (7) and lower wire end (8) and the cabinet.