CN209948430U

CN209948430U - Low-voltage draw-out type reactive power compensation device

Info

Publication number: CN209948430U
Application number: CN201920814452.1U
Authority: CN
Inventors: 张忠屹; 张德胜
Original assignee: SICHUAN CHENLONG SPACFLIGHT ELECTRICAL EQUIPMENT CO Ltd
Current assignee: SICHUAN CHENLONG SPACFLIGHT ELECTRICAL EQUIPMENT CO Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-14
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a low pressure pull-out type reactive power compensator, including waterproof cover, hangers, box, insulating handle, ventilation louvre, condenser, direct current contactor, side removal baffle, transformer, end removal fixed plate, low pressure compensation controller, fuse, miniature relay and fixed slide rail. The utility model has the advantages that: the security of this reactive power compensator internal component is protected to waterproof cover, and prevent that the rainwater from piling up at its top, prevent the infiltration phenomenon, ventilation and heat dissipation hole guarantees the operation safety of internal component, even ensure to dispel the heat and the heat dissipation is even, and prevent that the rainwater from permeating to inside from ventilation and heat dissipation hole, the side is moved the baffle and is conveniently operated this reactive power compensator internal electronic component, improve work efficiency and maintenance efficiency, end removal fixed plate is convenient removes inspection and operation to condenser and miniature relay, and convenient maintenance, simplified operation, low pressure compensation controller realizes intelligent integrated control, improve operation speed, and effectively improve this reactive power compensator low pressure compensation controller's operation control precision.

Description

Low-voltage draw-out type reactive power compensation device

Technical Field

The utility model relates to a reactive power compensator specifically is a low pressure pull-out type reactive power compensator, belongs to electrical equipment technical field.

Background

The reactive compensation is mainly used for users of nonlinear loads in a power grid, such as the industrial fields of power electronic equipment such as rectification, frequency conversion and speed regulation, intermediate frequency heating, metallurgical electrolysis, chemical electrolysis and the like; the traffic fields of electrified railways, underground railways, trolley buses and the like, and the IT industrial fields of broadcasting, postal service, communication and sensitivity to harmonic interference; and the fields of exhibition centers, commercial buildings and the like with strict requirements on the quality of electric energy, and widely relate to places and industries such as electric power, automobiles, metallurgy, mechanical manufacturing, chemical industry, paper making, coal, shipbuilding, communication, airports, large-scale venues, high-rise buildings and the like.

Although the reactive power compensation device is widely applied, the existing reactive power compensation device still has some problems in the actual use process, one of the problems is that when the existing reactive power compensation device works, a plurality of electronic elements inside the reactive power compensation device can work to generate certain heat, the existing reactive power compensation device has defects in internal heat dissipation, and a lifting space exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low pressure pull-out type reactive power compensator just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a low-voltage draw-out type reactive power compensation device comprises a waterproof cover, a hanging lug, a box body, an insulating handle, a ventilation heat dissipation hole, a capacitor, a direct current contactor, a side moving baffle, a transformer, a bottom moving fixing plate, a low-voltage compensation controller, a fuse, a miniature relay and a fixed slide rail; the waterproof cover is welded above the box body in a solid cuboid structure descending from the center to two sides, the hangers are fixed on four corners close to the back of the box body in a welding connection mode, the box body is in a cuboid cavity structure and is welded on insulating anti-skidding support legs at the bottom, the insulating handles are arranged on two side surfaces outside the box body in a screw connection mode, the ventilation and heat dissipation holes are fixed below the insulating handles, the capacitor is fixed on the upper surface of the bottom moving and fixing plate and is positioned inside the box body, the direct current contactor is arranged on the rear fixing plate in a screw connection mode, the side moving baffle is in a solid cuboid structure and is fixed on the rear fixing plate and is fixed on the surface of the side guide rail, the transformer is fixed below the left side of the direct current contactor and is fixed on the rear fixing plate inside the box body, and the bottom moving and fixing plate is in a solid cuboid structure, the low-voltage compensation controller is fixed on direct current contactor's right side, and is located the top of fuse, the fuse is fixed in the below of low-voltage compensation controller, and it is electric connection with internal power source, miniature relay passes through screwed connection's mode and installs at the end and remove the fixed plate upper surface, fixed slide rail is fixed on the inboard bottom plate of box through welded connected mode.

Preferably, in order to protect the safety of the internal elements of the reactive power compensation device and prevent rainwater from being accumulated on the top of the reactive power compensation device, the waterproof cover is arranged to be a top-inclined structure instead of a flat-top structure, and the inclination angle of the waterproof cover to the horizontal plane is 15 degrees, and the waterproof layer is plated on the inclined plane.

Preferably, in order to ensure the operation safety of internal elements, ensure even heat dissipation and heat dissipation uniformity, and prevent rainwater from penetrating into the interior from the ventilation and heat dissipation holes, the outer sides of the ventilation and heat dissipation holes are provided with protection structures which are inclined downwards and have radians, and the specifications of each ventilation and heat dissipation hole are the same, and the ventilation and heat dissipation holes on two sides are in a symmetrical arrangement relationship.

Preferably, in order to facilitate the operation of the electronic components inside the reactive power compensation device and improve the work efficiency and the maintenance efficiency, the side shift baffle is fixed on the surface of the rear fixing plate in a welding connection mode and is in sliding connection with the self guide rail.

Preferably, for the convenience to remove inspection and operation to condenser and miniaturely relay, and convenient maintenance, simplified operation, end removes the fixed plate and installs between fixed slide rail through sliding connection's mode, and fixed slide rail is C column structure, is equipped with the track on it.

Preferably, in order to realize intelligent integrated control, improve operation speed, and effectively improve this reactive power compensator low pressure compensation controller's operation control precision, low pressure compensation controller and condenser, direct current contactor, transformer, fuse and miniature relay all are electric connection.

The utility model has the advantages that: the low-voltage draw-out type reactive power compensation device is reasonable in design, the waterproof cover is arranged to be a top end inclined structure to replace a flat top structure, the inclination angle of the waterproof cover and the horizontal plane is 15 degrees, the waterproof layer is plated on the inclined plane to protect the safety of internal elements of the reactive power compensation device, rainwater is prevented from being accumulated on the top of the waterproof cover, a downward-inclined protection structure with a radian is arranged on the outer side of each ventilation and heat dissipation hole, the specifications of each ventilation and heat dissipation hole are the same, the ventilation and heat dissipation holes on two sides are symmetrically arranged to ensure the running safety of the internal elements, even heat dissipation and uniform heat dissipation are ensured, rainwater is prevented from permeating into the interior from the ventilation and heat dissipation holes, the side-moving baffle is fixed on the surface of the rear fixing plate in a welding connection mode and is connected with a self guide rail in a sliding, the end removes the fixed plate and passes through sliding connection's mode and install between fixed slide rail, and fixed slide rail is C column structure, is equipped with the track on it, conveniently removes inspection and operation to condenser and minirelay, and convenient maintenance, and simplified operation, low voltage compensation controller and condenser, direct current contactor, transformer, fuse and minirelay all are electric connection, realize intelligent integrated control, improve operation rate, and effectively improve this reactive power compensator low voltage compensation controller's operation control precision.

Drawings

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

fig. 2 is a schematic view of the front internal structure of the present invention.

In the figure: 1. waterproof cover, 2, hangers, 3, box, 4, insulating handle, 5, ventilation louvre, 6, condenser, 7, direct current contactor, 8, side removal baffle, 9, transformer, 10, end removal fixed plate, 11, low pressure compensation controller, 12, fuse, 13, miniaturely relay and 14, fixed slide rail.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a low-voltage draw-out reactive power compensation device includes a waterproof cover 1, a hanging lug 2, a box 3, an insulating handle 4, a ventilation and heat dissipation hole 5, a capacitor 6, a dc contactor 7, a side movable baffle 8, a transformer 9, a bottom movable fixing plate 10, a low-voltage compensation controller 11, a fuse 12, a miniature relay 13 and a fixed slide rail 14; the waterproof cover 1 is welded above the box body 3 in a solid cuboid structure descending from the center to two sides, the suspension loops 2 are fixed at four corners close to the back of the box body 3 in a welded connection mode, the box body 3 is welded on an insulating anti-skidding support leg at the bottom in a cuboid cavity structure, the insulating handle 4 is arranged on two side surfaces of the outer side of the box body 3 in a screw connection mode, the ventilation and heat dissipation holes 5 are fixed below the insulating handle 4, the capacitor 6 is fixed on the upper surface of the bottom movable fixing plate 10 and is positioned inside the box body 3, the model of the capacitor 6 is YD-8DF 250-5, the DC contactor 7 is arranged on a rear fixing plate in a screw connection mode, the model of the DC contactor 7 is CJX2-95008Z, the side movable baffle 8 is fixed on the rear fixing plate in a solid cuboid structure, and it is fixed on the side guide rail surface, transformer 9 is fixed in direct current contactor 7's left side below, and fixes on the rear fixed plate of box 3 inboard, the 9 models of transformer are E119211050646, end removal fixed plate 10 is solid cuboid structure and fixes between fixed slide rail 14, low pressure compensation controller 11 is fixed on direct current contactor 7's right side, and is located fuse 12's top, fuse 12 fixes in low pressure compensation controller 11's below, and it is electric connection with internal power source, fuse 12 models is RT28N-32X, minirelay 13 passes through screwed connection's mode and installs at end removal fixed plate 10 upper surface, minirelay 13 models is JZX-22F (D)4Z, fixed slide rail 14 is fixed on the inboard bottom plate of box 3 through the welded connected mode.

The waterproof cover 1 is arranged to be a top end inclined structure to replace a flat top structure, the inclination angle of the waterproof cover and the horizontal plane is 15 degrees, the inclined plane is plated with a waterproof layer, the safety of internal elements of the reactive power compensation device is protected, rainwater is prevented from being accumulated on the top of the waterproof cover, the water seepage phenomenon is prevented, a protection structure which is inclined downwards and has a radian is arranged on the outer side of each ventilation and heat dissipation hole 5, the specifications of each ventilation and heat dissipation hole 5 are the same, the ventilation and heat dissipation holes 5 on two sides are symmetrically arranged, the operation safety of the internal elements is ensured, even heat dissipation and uniform heat dissipation are ensured, and rainwater is prevented from permeating into the interior from the ventilation and heat dissipation holes 5, the side moving baffle 8 is fixed on the surface of the rear fixing plate in a welding connection mode and is connected with a self guide rail in a, the end removes fixed plate 10 and installs between fixed slide rail 14 through sliding connection's mode, and fixed slide rail 14 is C column structure, is equipped with the track on it, conveniently removes inspection and operation to condenser 6 and minirelay 13, and convenient maintenance, simplified operation, low pressure compensation controller 11 all is electric connection with condenser 6, DC contactor 7, transformer 9, fuse 12 and minirelay 13, realizes intelligent integrated control, improves operation speed, and effectively improves this reactive power compensation device low pressure compensation controller 11's operation control precision.

The working principle is as follows: when the low-voltage draw-out type reactive power compensation device is used, internal elements are firstly drawn out by pulling the side moving baffle 8 and the bottom moving fixing plate 10, whether electronic elements in the reactive power compensation device can work normally is checked, then a power supply is switched on, the work of the capacitor 6, the direct current contactor 7, the transformer 9, the fuse 12 and the miniature relay 13 is controlled through the low-voltage compensation controller 11, various indexes and parameters of the elements are observed, when the reactive power compensation device works, the ventilation and heat dissipation holes 5 work at any time, the waterproof cover 1 protects the safety of the internal elements of the reactive power compensation device, rainwater is prevented from being accumulated at the top of the reactive power compensation device, and the water seepage phenomenon is prevented.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a low pressure pull-out type reactive power compensator which characterized in that: the device comprises a waterproof cover (1), a hanging lug (2), a box body (3), an insulating handle (4), a ventilation heat dissipation hole (5), a capacitor (6), a direct current contactor (7), a side moving baffle (8), a transformer (9), a bottom moving fixing plate (10), a low-voltage compensation controller (11), a fuse (12), a miniature relay (13) and a fixed slide rail (14); the waterproof cover (1) is welded above the box body (3) in a solid cuboid structure descending from the center to two sides, the hangers (2) are fixed at four corners close to the back of the box body (3) in a welded connection mode, the box body (3) is welded on insulating anti-skidding support legs at the bottom in a cuboid cavity structure, the insulating handle (4) is arranged on two side surfaces at the outer side of the box body (3) in a screw connection mode, the ventilation and heat dissipation holes (5) are fixed below the insulating handle (4), the capacitor (6) is fixed on the upper surface of the bottom movable fixing plate (10) and is positioned inside the box body (3), the direct current contactor (7) is arranged on the rear fixing plate in a screw connection mode, the side movable baffle (8) is fixed on the rear fixing plate in a solid cuboid structure and is fixed on the surface of a side guide rail, transformer (9) are fixed in the left side below direct current contactor (7), and are fixed on the inboard after-fixing board of box (3), end movable fixing board (10) are solid cuboid structure and fix between fixed slide rail (14), low pressure compensation controller (11) are fixed on the right side of direct current contactor (7), and are located the top of fuse (12), fuse (12) are fixed in the below of low pressure compensation controller (11), and it is electric connection with internal power source, miniature relay (13) are installed at end movable fixing board (10) upper surface through screwed connection's mode, fixed slide rail (14) are fixed on the inboard bottom plate of box (3) through welded connected mode.

2. A low voltage draw-out reactive power compensation device according to claim 1, wherein: the waterproof cover (1) is arranged to be of a top end inclined structure instead of a flat top structure, the inclination angle of the waterproof cover and the horizontal plane is 15 degrees, and a waterproof layer is plated on the inclined plane.

3. The low voltage draw-out reactive power compensation device of claim 2, wherein: the outer side of each ventilation and heat dissipation hole (5) is provided with a protection structure which is downward inclined and provided with a radian, the specifications of each ventilation and heat dissipation hole (5) are the same, and the ventilation and heat dissipation holes (5) on the two sides are symmetrically arranged.

4. The low voltage draw-out reactive power compensation device of claim 3, wherein: the side moving baffle (8) is fixed on the surface of the rear fixing plate in a welding connection mode and is in sliding connection with the guide rail of the side moving baffle.

5. The low voltage draw-out reactive power compensation device of claim 4, wherein: the bottom moving fixing plate (10) is installed between the fixed sliding rails (14) in a sliding connection mode, the fixed sliding rails (14) are of a C-shaped structure, and rails are arranged on the fixed sliding rails.

6. The low voltage draw-out reactive power compensation device of claim 5, wherein: and the low-voltage compensation controller (11) is electrically connected with the capacitor (6), the direct current contactor (7), the transformer (9), the fuse (12) and the small relay (13).