CN209881219U

CN209881219U - Indoor fixed AC metal enclosed switch equipment

Info

Publication number: CN209881219U
Application number: CN201921134107.XU
Authority: CN
Inventors: 程鹏
Original assignee: WENZHOU CYUN ELECTRIC CO Ltd
Current assignee: WENZHOU CYUN ELECTRIC CO Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2019-12-31
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses an indoor fixed interchange metal-enclosed switchgear, the intelligent cabinet temperature adjusting device comprises a cabinet body and a cabinet door, at the internal vacuum circuit breaker that is provided with of cabinet, current transformer and earthing switch, upper portion at the internal cabinet is fixed with the baffle, upper portion evenly is fixed with three wall bushing in the generating line room, at the internal horizontal line row that is fixed with of wall bushing, lower part is fixed with isolator in the generating line room, indoor phase partition board that is fixed with of circuit breaker, right side top at the circuit breaker room is fixed with the mechanism room, right side at isolator is provided with the isolator control shaft, be fixed with the earthing switch control shaft on circuit breaker indoor chamber upper portion, be provided with isolator at the mechanism room, earthing switch separating brake/combined floodgate operating axis. The utility model discloses a structure sets up rationally, can reduce the volume of cubical switchboard, reaches reduce cost's purpose, and effectual realization isolator deciliter and earthing switch's deciliter operation uses reliable and stable, and the suitability is strong and the practicality is good.

Description

Indoor fixed AC metal enclosed switch equipment

Technical Field

The utility model belongs to the technical field of the cubical switchboard, concretely relates to indoor fixed exchanges metal enclosed switchgear.

Background

The cubical switchboard is a common structure, and the cubical switchboard inner structure of traditional technique all is put in same cabinet chamber, and it can realize control operation, but its not only greatly increased the height of cubical switchboard, and holistic humidity resistance is also comparatively limited simultaneously, also can influence its application scope to a certain extent to the stability and the installation effectiveness of installation are also lower, so suitability and practicality receive the restriction.

Disclosure of Invention

The utility model aims at providing an indoor fixed interchange metal-enclosed switchgear that the structure sets up rationally and the suitability is strong.

The technical scheme for realizing the purpose of the utility model is that the indoor fixed AC metal closed switch device comprises a cabinet body and a cabinet door, wherein a vacuum circuit breaker, a current transformer and a grounding switch are arranged in the cabinet body, a baffle is fixed at the upper part in the cabinet body, the baffle divides the cabinet body into a bus chamber and a breaker chamber, three wall bushing are uniformly fixed at the upper part in the bus chamber, a horizontal line bar is fixed in the wall bushing, a disconnecting switch is fixed at the lower part in the bus chamber, the horizontal line bar is fixed at the top of the disconnecting switch through a connecting terminal, a conductive plug terminal is fixed on the baffle, the vacuum circuit breaker is fixed at the middle front part of the breaker chamber and is connected with the conductive plug terminal through a copper bar, the current transformer is fixed at the rear part of the breaker chamber and is connected with the vacuum circuit breaker, earthing switch sets up directly over current transformer the indoor phase space board that is fixed with of circuit breaker, the phase space board is fixed vacuum circuit breaker's utmost point post upper end the right side top of circuit breaker room is fixed with the mechanism room isolating switch's right side is provided with the isolator control shaft be provided with isolation separating brake/combined floodgate operation axle in the mechanism, mechanism isolation separating brake/combined floodgate operation axle is connected through the transfer line with the isolator control shaft circuit breaker indoor chamber upper portion is fixed with the earthing switch control shaft earthing switch separating brake/combined floodgate operation axle is provided with in the mechanism room, earthing switch separating brake/combined floodgate operation axle with the earthing switch control shaft is connected through the transfer line.

The transmission rod comprises a U-shaped rod, an n-shaped rod and a supporting rib rod fixed between the bottom end of the U-shaped rod and the top end of the n-shaped rod, a crank arm is fixed at the end part of the isolating switch control shaft, the top of the U-shaped rod is connected to the crank arm on the isolating switch operation shaft through a pin shaft, the bottom end of the n-shaped rod is connected to the isolating switch operation shaft of the mechanism through a pin shaft, the crank arm is fixed at the end part of the earthing switch control shaft, the top of the U-shaped rod is connected to the crank arm through a pin shaft, and the bottom end of the n-shaped rod is connected with the crank arm on the earthing switch operation shaft through a connecting shaft.

An instrument room is fixed on the front side of the bus room, and an observation window is fixed on the front door of the breaker room.

And an insulating support column and a lightning arrester are arranged at the bottom of the current transformer.

The cabinet body is a corrosion-resistant aluminum-zinc coated steel plate, and the cabinet door is a cold-rolled steel plate.

The vacuum circuit breaker is a solid-sealed pole type vacuum circuit breaker or a common vacuum circuit breaker.

The utility model discloses has positive effect: the utility model discloses a structure sets up rationally, not only can reduce the whole height and the width of cubical switchboard, realizes reducing the volume of cubical switchboard, has also reduced transition joint's use simultaneously to reach reduce cost's purpose, can effectually realize isolator deciliter and earthing switch's deciliter operation simultaneously, use reliable and stable, the suitability is strong and the practicality is good.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the following specific embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the surface structure of the middle switch cabinet of the present invention.

Detailed Description

(example 1)

Fig. 1 and 2 show an embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a schematic view of the surface structure of the middle switch cabinet of the present invention.

Referring to fig. 1 and 2, an indoor fixed type ac metal-enclosed switchgear includes a cabinet body 1 and a cabinet door (not shown, but this is a conventional structure of the prior art), a vacuum circuit breaker 2, a current transformer 3 and a ground switch 4 are disposed in the cabinet body, a partition 5 is fixed to an upper portion in the cabinet body, the partition divides the cabinet body into a bus chamber 6 and a breaker chamber 7, three wall bushing 8 are uniformly fixed to an upper portion in the bus chamber, a horizontal line bank 9 is fixed to the wall bushing, a disconnector 10 is fixed to a lower portion in the bus chamber, the horizontal line bank is fixed to a top of the disconnector through a connection terminal, a conductive plug terminal 11 is fixed to the partition, the vacuum circuit breaker is fixed to a middle front portion of the breaker chamber and the vacuum circuit breaker is connected to the conductive plug terminal 11 through a copper bar, the rear portion that current transformer fixed at the circuit breaker room just current transformer with vacuum circuit breaker is connected, earthing switch sets up current transformer directly over circuit transformer circuit breaker indoor location has phase separation board 12, phase separation board 12 is fixed vacuum circuit breaker's utmost point post upper end circuit breaker room's right side top is fixed with mechanism room 13 isolator's right side is provided with isolator control shaft 14 be provided with isolation separating brake/combined floodgate operating axis in the mechanism, mechanism isolation separating brake/combined floodgate operating axis is connected through the transfer line with the isolator control shaft breaker indoor chamber upper portion of circuit breaker is fixed with earthing switch control shaft 15 indoor isolator, earthing switch separating brake/combined floodgate operating axis 17 of being provided with of mechanism, isolator, earthing switch separating brake/combined floodgate operating axis with the earthing switch control shaft is connected 18 through the transfer line . The practicability, adaptability and flexibility of the switch device are improved, the investment cost is reduced on the premise of meeting the safety performance, and the switch device has higher cost performance. The disconnecting switch opening/closing operation shaft in the mechanism enables the disconnecting switch shaft to rotate to drive the disconnecting switch control shaft to push and pull the isolating blade to be separated and combined with the incoming line contact, and the grounding switch opening/closing operation shaft in the mechanism enables the grounding switch shaft to rotate to drive the grounding knife operation shaft to push and pull the grounding blade to be separated and combined with the grounding contact to achieve grounding.

The transmission rod 18 comprises a U-shaped rod 181, an n-shaped rod 182 and a supporting rib rod 183 fixed between the bottom end of the U-shaped rod and the top end of the n-shaped rod, a crank arm is fixed at the end of the isolating switch control shaft, the top of the U-shaped rod is connected to the crank arm on the isolating switch operation shaft through a pin shaft, the bottom end of the n-shaped rod is connected to the isolating switch operation shaft through a pin shaft, a crank arm is fixed at the end of the earthing switch control shaft, the top of the U-shaped rod is connected to the crank arm through a pin shaft 184, and the bottom end of the n-shaped rod is connected to the crank arm of the earthing switch operation shaft through a connecting shaft 185.

An instrument room 19 is fixed to the front side of the bus bar room, and an observation window 20 is fixed to the front door of the breaker room. In this embodiment, various display instruments, such as a power indicator, a voltage indicator, an indicator light, etc., are disposed in the instrument chamber, which is a conventional structure in the prior art and is not a new point of the present application, and therefore, they are not described in detail.

At the bottom of the current transformer there are provided an insulating post 21 and a lightning arrester 16.

The cabinet body is a corrosion-resistant aluminum-zinc coated steel plate, and the cabinet door is a cold-rolled steel plate. The shell of the switch device is made of an aluminum-zinc coated steel plate with strong corrosion resistance, the aluminum-zinc coated steel plate is formed by bending and assembling through CNC (computer numerical control) machine tool machining, and the side plate is machined from a whole plate, so that the switch device is high in precision and strong in rigidity. The cabinet body adopts an assembled structure and is formed by connecting a rivet nut, a high-strength bolt and a self-plugging rivet, and avoiding holes do not need to be formed between the cabinets, so that the cabinet is simple and convenient to install, attractive in appearance and capable of improving the production efficiency. The instrument room is an independent unit, is completely separated from a high-voltage area of the switch device, and has the functions of shock resistance and fire resistance. The switch cabinet door plate and the terminal side sealing plate are made of cold-rolled steel plates, and after purification and corrosion prevention treatment, the surfaces of the switch cabinet door plate and the terminal side sealing plate are made to be impact-resistant and corrosion-resistant by a plastic spraying process, so that the attractiveness of the appearance is guaranteed.

The vacuum circuit breaker is a solid-sealed pole type vacuum circuit breaker or a common vacuum circuit breaker. The adopted solid-sealed pole type vacuum circuit breaker has the performances of good insulation degree, moisture resistance, condensation resistance and the like. The solid-sealed pole type vacuum circuit breaker simultaneously embeds the conductive parts related to the vacuum arc extinguish chamber and the circuit breaker into the easily-cured solid insulating materials such as epoxy resin to form a pole, so that the whole pole of the circuit breaker becomes a whole part, the detachable parts are few, the reliability is high, the surface insulation is changed into volume insulation, the air insulation is compared, the influence of the environment is reduced, and the insulation strength is greatly improved.

The utility model discloses a structure sets up rationally, not only can reduce the whole height of cubical switchboard, realizes reducing the volume of cubical switchboard, has also reduced transition joint's use simultaneously to reach reduce cost's purpose, can effectually realize isolator deciliter and earthing switch's deciliter operation simultaneously, it is reliable and stable to use, and the suitability is strong and the practicality is good.

The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural parts described in the specification and drawings may be obtained by processing without any doubt according to the common general knowledge in the prior art, and the connection manner of the respective parts is a conventional manner developed in the prior art, and the machines, parts and devices are of a conventional type in the prior art, and the circuit connection is a conventional manner in the prior art, so that detailed description thereof is omitted.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. The utility model provides an indoor fixed interchange metal-enclosed switchgear, includes the cabinet body and cabinet door the internal vacuum circuit breaker, current transformer and earthing switch, its characterized in that of being provided with of cabinet: a partition board is fixed at the upper part in the cabinet body, the partition board divides the cabinet body into a bus chamber and a breaker chamber, three wall bushing pipes are uniformly fixed at the upper part in the bus chamber, a horizontal line bar is fixed in the wall bushing pipes, an isolating switch is fixed at the lower part in the bus chamber, the horizontal line bar is fixed at the top of the isolating switch through a connecting terminal, a conductive plug terminal is fixed on the partition board, the vacuum breaker is fixed at the middle front part of the breaker chamber and is connected with the conductive plug terminal through a copper bar, a current transformer is fixed at the rear part of the breaker chamber and is connected with the vacuum breaker, a grounding switch is arranged right above the current transformer, a phase partition board is fixed in the breaker chamber and is fixed at the upper end of a pole of the vacuum breaker, the mechanism comprises a breaker chamber, a mechanism chamber, an isolating switch control shaft, an isolating switch opening/closing operation shaft, a grounding switch opening/closing operation shaft, a transmission rod and a grounding switch control shaft, wherein the top of the right side of the breaker chamber is fixedly provided with the mechanism chamber, the right side of the isolating switch is provided with the isolating switch control shaft, the isolating switch opening/closing operation shaft of the mechanism is connected with the isolating switch control shaft through the transmission rod, the upper part of the inner cavity of the breaker chamber is fixedly provided with the grounding switch control shaft, the mechanism chamber is internally provided with the grounding switch opening/closing operation shaft, and the grounding switch opening/closing operation shaft is connected.

2. The indoor fixed ac metal enclosed switchgear of claim 1, wherein: the transfer line includes U-shaped pole, n shape pole and fixes the support muscle pole between U-shaped pole bottom and n shape pole top the end fixing of isolator control shaft has the turning arm, the top of U-shaped pole is in through the round pin hub connection on the epaxial turning arm of isolator control just the bottom of n shape pole is in through the round pin hub connection on the isolator control shaft of mechanism the end fixing of earthing switch control shaft has the turning arm, the top of U-shaped pole is in through the round pin hub connection on the turning arm just the bottom of n shape pole pass through the connecting axle with the epaxial turning arm of earthing switch control is connected.

3. The indoor fixed ac metal enclosed switchgear of claim 2, wherein: an instrument room is fixed on the front side of the bus room, and an observation window is fixed on the front door of the breaker room.

4. The indoor fixed ac metal enclosed switchgear of claim 3, wherein: and an insulating support column and a lightning arrester are arranged at the bottom of the current transformer.

5. The indoor fixed ac metal enclosed switchgear of claim 4, wherein: the cabinet body is a corrosion-resistant aluminum-zinc coated steel plate, and the cabinet door is a cold-rolled steel plate.

6. The indoor fixed ac metal enclosed switchgear of claim 5, wherein: the vacuum circuit breaker is a solid-sealed pole type vacuum circuit breaker or a common vacuum circuit breaker.