CN202260174U

CN202260174U - Power distribution automatic protection subrack device

Info

Publication number: CN202260174U
Application number: CN2011203811876U
Authority: CN
Inventors: 吴金博; 吴金浩; 孙鑫; 曲群
Original assignee: QINGDAO QIANCHENG ELECTRONICS CO Ltd
Current assignee: QINGDAO QIANCHENG ELECTRONICS CO Ltd
Priority date: 2011-10-10
Filing date: 2011-10-10
Publication date: 2012-05-30
Anticipated expiration: 2021-10-10

Abstract

The utility model belongs to a field of power distribution automatic control technical devices and relates to a power distribution automatic protection subrack device. A cover plate provided with a ventilating structure is fixed on the top of a subrack in a box structure. Side face plates provided with socket structures are arranged on two side faces of the subrack. A rear face plate provided with the socket structure is arranged on a rear side face of the subrack. A front shielding plate is arranged on a front side face of the subrack in a covering and sleeving manner. A display plate is arranged in an external side of the front shielding plate in a wrapping and covering manner. A rear cross beam and a front cross beam are arranged transversely and fixedly on the bottom of a front position and a rear position of the subrack respectively. Socket-type socket plates and side shielding plates are arranged transversely, successively and at uniform intervals in an inner space of the subrack. Each of a front end and a rear end of each of an upper installation wall and a lower installation wall of each of the side shielding plates is provided with a through hole. And the side shielding walls are fixed on two sides of the socket plates through the rear cross beam and the front cross beam. The power distribution automatic protection subrack device in the utility model has a novel structure, a safe and reliable principle, a good socket performance, a good anti-interference capacity, a good shielding effect, and a wide application range. By using the power distribution automatic protection subrack device in the utility model, the structural transformation socket connection of a power distribution automatic protection device can be realized effectively.

Description

A kind of power distribution automation protection subrack device

Technical field:

The utility model belongs to power distribution automation control technology apparatus field, relates to a kind of power distribution automation protection subrack device, is applied to the subrack that various distribution occasions are protected automatically.

Background technology:

At present in the subrack equipment of power distribution automation protective device; Not only anti-electromagnetic interference being required increasingly highly, and require in the subrack ventilation and heat to get well, is not fine but existing subrack device often takes into account aspect above-mentioned two; The anti-electromagnetic interference technology that many subrack centerboards adopt is employed in conductive reed is set on the plate; This method usually can be because plate plug and the impact failure reed, makes it can not effective grounding, thereby influences shield effectiveness; The subrack equipment that also has and device are to plug the shielding plate through the slot in the corresponding setting with rear cross beam of front beam of equipment; The shielding plate is parallel to subrack cover plate top and bottom respectively, adopts in the technical equipment of this structure, and panel is all arranged before and after the subrack; Add barricade up and down again; Plate is in almost airtight space, and it is very poor not only to dispel the heat, and electromagnetic shielding is also undesirable; End is got up, and its device structure complicated for ubiquity in the existing power distribution automation protection subrack technical equipment, and manufacturing cost is high, and automation control and protective value are poor, and radiating condition is not good, and service life of equipment is lacked, and shortcoming such as shield effectiveness is bad.

Summary of the invention:

The goal of the invention of the utility model is to overcome the shortcoming that prior art exists; Seek to design the power distribution automation protection subrack device that a kind of novel structure is provided; Can be in case electromagnetic interference especially can be prevented phase mutual interference and the good subrack equipment of ventilation and heat between the plate.

To achieve these goals, the agent structure of the utility model comprises rear board, side panel, cover plate, display panel, motherboard, side barricade, preceding barricade, rear cross beam, front beam, plate and casing; The top of the casing of box type structure fixedly is shaped on the cover plate of aeration type structure; Be shaped on the side panel of connected structure on the two sides of casing; The trailing flank of casing covers the rear board that is shaped on plug in construction; Casing leading flank jacket formula is shaped on preceding barricade, and the outside clad type of preceding barricade is shaped on display panel, and two places laterally fixedly are shaped on rear cross beam and front beam respectively before and after the bottom of casing; Laterally even successively compartment is shaped on card insert type plate and side barricade in the inner space of casing; The side barricade front and back end of two assembly walls up and down respectively is shaped on a through hole, is fixed in the plate both sides through rear cross beam, front beam; The side barricade can be adjusted the distance between side barricade and the plate flexibly through nut cylindrical void move left and right or fixed position on the crossbeam of front and back, and plate is carried out electromagnetic shielding; Be shaped on nut strip on rear cross beam, the front beam respectively; Through screw and the fixed installation of side barricade; Preceding barricade is fixedly installed between motherboard and the display panel through the nut strip on the rear cross beam; Shield its electromagnetic interference to display panel, plate is fixed through screw and rear board, and the rear board of metal structure keeps good energising to contact with plate; The formula of gathering on the cover plate is shaped on air vent hole, constitutes the air channel between the side barricade that plate and both sides are fixed, and makes air circulation realization subrack heat radiation fast up and down in the air channel.

The two ends, long limit of the side barricade of the rectangular plate shape structure of the utility model are shaped on the air vent hole that communicates, and the middle part concave on the one side in the minor face is shaped on recess; The place, two ends, two long limits of the preceding shielding version of rectangular plate shape structure is shaped on the air vent hole that communicates, and the inboard, place, one side of minor face is shaped on the winding displacement hole; The rear cross beam upper edge length of lath-shaped structure is to being shaped on nut strip, and evenly distributing on the nut strip is shaped on screwed hole; The structure of front beam and rear cross beam symmetry, front beam upper edge length evenly is shaped on screwed hole to being shaped on nut strip on the nut strip.

The utility model compared with prior art, its novel structure, principle is safe and reliable, pegs graft flexibly, antijamming capability is good, shield effectiveness is good, applied range can realize effectively that the reconfiguration of power distribution automation protective device is pegged graft.

Description of drawings:

Fig. 1 is the overall structure principle schematic of the utility model.

Embodiment:

Below through embodiment and combine accompanying drawing to be described further.

Embodiment:

The agent structure of present embodiment comprises rear board 1, side panel 2, cover plate 3, display panel 4, motherboard 5, side barricade 6, preceding barricade 7, rear cross beam 8, front beam 9, plate 10 and casing 11; The top of the casing 11 of box type structure fixedly is shaped on the cover plate 3 of aeration type structure; Be shaped on the side panel 2 of connected structure on the two sides of casing 11; The trailing flank of casing 11 covers the rear board 1 that is shaped on plug in construction; Casing 11 leading flank jacket formulas are shaped on preceding barricade 7, and the outside clad type of preceding barricade 7 is shaped on display panel 4, and two places laterally fixedly are shaped on rear cross beam 8 and front beam 9 respectively before and after the bottom of casing 11; In the inner space of casing 11 laterally successively the homogeneous texture compartment be shaped on card insert type plate 10 and side barricade 6; The front and back of side barricade two assembly walls about in the of 6 respectively are shaped on an air vent hole, are fixed in plate 10 both sides through rear cross beam 8, front beam 9; Side barricade 6 can be adjusted the distance between side barricade 6 and the plate 10 flexibly through nut cylindrical void move left and right or fixed position on the crossbeam of front and back, and plate 10 is carried out electromagnetic shielding; Be shaped on nut strip respectively on rear cross beam 8, the front beam 9; Through screw and 6 fixed installations of side barricade; Preceding barricade 7 is fixedly installed between motherboard 5 and the display panel 4 through the nut strip on the rear cross beam 8, shields its electromagnetic interference to display panel 4, and plate 10 is fixing through screw and rear board 1; Rear board 1 is a metal structure, and plate 10 keeps good intermetallic to contact with rear board 1; The formula of gathering on the cover plate 3 is shaped on air vent hole, constitutes the air channel between the side barricade 6 that plate 10 and both sides are fixed, and makes air circulation fast up and down in the air channel, accelerates the subrack heat radiation.

The place of assembly wall up and down of the side barricade 6 of present embodiment respectively is shaped on the air vent hole of 2 correspondences; Between each panel upper vent hole between distance and rear cross beam 8, the front beam 9 top nut bars distance equate, side barricade 6 height and rear cross beam about in the of 8 installed surface apart from equating that side barricade 6 has a recess near an end of motherboard 5; Fixedly the central sill of motherboard 5 is through recess and 6 complete combinations of side barricade; Side barricade 6 is fixing with front beam 9 through rear cross beam 8, is parallel to plate 10, is positioned at plate 10 both sides; Screw is fixed in rear cross beam 8 through the air vent hole of side barricade about in the of 6, on the front beam 9 installed surface screw thread bars; Side barricade 6 can be according to the position of the screwed hole move left and right side barricade 6 of horizontally-arranged on the nut strip; Reach flexible installation, for preventing to be fixed with display panel 4 on the electromagnetic interference effect front panel 12, barricade 7 before between motherboard 5 and display panel 4, fixing; Before barricade 7 height and front beam 9 about installed surface apart from equating; Width equates that with left and right sides panel 2 distances the left side is shaped on a shape winding displacement hole, and lead connects motherboard 5 and display panel 4 through the winding displacement hole; About being fixed in through the air vent hole on preceding barricade 7 assembly walls, screw on the front beam 9 installed surface screw thread bars, is parallel to motherboard 5; Plate 10 has enough gaps with the side barricade 6 of the left and right sides, constitutes left and right sides two passes, and plate 10 1 ends are fixed in motherboard 5, and the other end is fixed in rear board 1, left and right sides passage and the cover plate 3 formation air channels that have louvre up and down, and air circulates up and down; Each plate installed in the casing 11 and the side barricade of the left and right sides 6 form passage, and the left side plate of casing 11, front and back panel all do not have perforate; All seal, cavity can only circulate up and down, and cold wind gets into the plate zone from the lower bottom part ventilation hole of casing 11; Through plate 10 main parts; Give the heat radiation of the components and parts on the plate 10, hot-air flows out through the upper cover plate ventilation hole, to reach the purpose to the plate heat radiation.

Claims

1. a power distribution automation protection subrack device is characterized in that agent structure comprises rear board, side panel, cover plate, display panel, motherboard, side barricade, preceding barricade, rear cross beam, front beam, plate and casing; The top of the casing of box type structure fixedly is shaped on the cover plate of aeration type structure; Be shaped on the side panel of connected structure on the two sides of casing; The trailing flank of casing covers the rear board that is shaped on plug in construction; Casing leading flank jacket formula is shaped on preceding barricade, and the outside clad type of preceding barricade is shaped on display panel, and two places laterally fixedly are shaped on rear cross beam and front beam respectively before and after the bottom of casing; Laterally even successively compartment is shaped on card insert type plate and side barricade in the inner space of casing; The side barricade front and back end of two assembly walls up and down respectively is shaped on a through hole, is fixed in the plate both sides through rear cross beam, front beam; The side barricade is through nut cylindrical void move left and right or fixed position on the crossbeam of front and back; Be shaped on nut strip on rear cross beam, the front beam respectively; Through screw and the fixed installation of side barricade; Preceding barricade is fixedly installed between motherboard and the display panel through the nut strip on the rear cross beam, and plate is fixed through screw and rear board, and the rear board of metal structure contacts with the plate energising; The formula of gathering on the cover plate is shaped on air vent hole, constitutes the air channel between the side barricade that plate and both sides are fixed.