CN2156603Y - High-voltage five protective fnunction switch cupboard - Google Patents

Abstract

The utility model discloses a high voltage switch cabinet, which has small volume, light weight, and five preclusion. The cabinet is divided into an upper layer and a lower layer by an intermediate partition plate; the upper layer is divided into an instrument chamber in which digital displays are arranged and a bus bar chamber in which intensive type dark bus bars are arranged and fixed by an insulating partition plate; the lower layer is provided with novel microminiature electric switching components such as a load switch, a transformer, an isolation switch, etc; an instrument panel and a cabinet door can be opened; the utility model is made of transparent resin-type organic glass plates, and a single-wire system diagram is drawn on the cabinet door to facilitate operators to tour and observe; the connection joints of the bus bars and the components are treated with full containment by thermally shrinking insulating materials, and the purpose of dust resistance, shock resistance, moisture resistance and resistance of current impact can be reached.

Description

High-voltage five protective fnunction switch cupboard

The utility model relates to the power distribution switch cubicle, particularly a kind ofly employs new technology, new component, has the structural designs of the high-tension switch cabinet of five anti-functions.

The existing electrical power distribution switches cabinet of China exists major defect, high-tension switch cabinet particularly, and the general high 37～39m of cabinet, each cabinet covers an area of 12 * 122m ², more than the spatial altitude 5m, weigh more than the 900kg, give transportation thus, install and bring inconvenience, because its high voltage bus all uses bright bus, surface to establish, air insulation is installed on the cabinet top with clamp, porcelain vase again, not dustproof, non-moistureproof, under big vibrations and heavy current surge, tend to occur distortion, break and cause short circuit, even cause self-destruction, spontaneous combustion, initiation fire accident; Because this class switch cubicle seal is poor, is of common occurrence because of various toys enter the example that causes puncture short; Also have when the switch disjunction big, the easy scaling loss of electric arc, big, the poor stability of operating personnel's psychological pressure; This class switch cubicle adopts pointer instrument to show more, closed cabinet door, and operating personnel make an inspection tour, observe inconvenient.In sum, the be far from suitable needs of China's power industry develop rapidly of the existing high-tension switch cabinet of China, developing novel panel switches cabinet is urgent problem.Along with science and technology development, the appearance of novel electric switch components and parts, as microminiature on-load switch, instrument transformer, isolating switch etc., and The application of new technique, as intensive invisible bus (referring to Chinese patent: 922325804) and digital display device, for development volume novel high-pressure switch cubicle little, in light weight, safe and convenient to use has been created condition.

In view of this, it is little, in light weight that task of the present utility model provides a kind of volume, closed five anti-(dustproof, moistureproof, shockproof, anti-toy enters, the protects bus) high-tension switch cabinet of compact conformation.

Task of the present utility model is finished by following measure.

What 1, this switch cubicle was adorned is novel microminiature electric switch components and parts, as microminiature on-load switch, instrument transformer, isolating switch etc., and intensive invisible bus, nixie display.

2, cabinet body structure adopts angle iron frame, and the outer cover light sheet is welded.Central dividing plate divides upper and lower two-layer, and the components and parts locellus is installed, the transparent cabinet door of openable.The monomer cabinet is a total closed type, does not have sidewall between the adjacent cabinet of composite type side by side, and bolt is connected and fixed, good integrity.

3, adopting novel protective materials---the heat shrinkage insulation material contains processing entirely to intensive invisible bus and components and parts tie point.

Owing to take above-mentioned measure, the utility model is compared with the existing switch cubicle of same specification: 1, volume dwindles greatly, and weight alleviates greatly, compact conformation, cost reduce.With the 10KV switch cubicle is example: existing cabinet is long-pending to be 12 * 12 * 33m ³, weight 500～900kg, and the utility model volume is 080 * 080 * 20m ³, weigh less than 500kg.2, have dustproof, shockproof protection against the tide, anti-toy enters, protects bus and fool proof function.3, digital demonstration can show multiple electric parameter and openable transparent cabinet door clear, clearly, is convenient to operating personnel and observes, makes an inspection tour equipment operation condition.4, electric arc is little, safe in utilization, durable when anti-heavy current surge, switch disjunction.5, many cabinets are installed and are adopted whole invisible bus, and good integrity, good leak tightness are convenient to installation and maintenance, and economical with materials and energy savings.

Fig. 1, high pressure five anti-switch cubicle front views

Fig. 2, switch cubicle sectional view

Now in conjunction with the accompanying drawings and embodiments the utility model is described in detail.

As shown in Figure 1, 2, cabinet of the present utility model is framework with the angle steel, and the outer cover sheet metal is welded, and is divided into upper and lower two-layerly in it, and the centre is provided with dividing plate 15.The upper strata of cabinet is separated into former and later two chambers with insulating barrier 4, cup is control room 7, make on the openable instrument face plate 1 by transparent resin type poly (methyl methacrylate) plate nixie display 2 is housed, can clearly show electric parameters such as electric current, voltage, power factor, active power, reactive power; Back chamber is a bus-bar room 6, intensive invisible bus 3(is installed referring to Chinese patent 922325804 on the i shaped steel support), bus contains processing entirely with novel heat shrinkage insulation material (as CIAC), forms shell 14.Like this by original bright bus, surface establish, air insulation becomes invisible bus, dark connect, the medium insulation, thereby dwindled volume greatly, improved dielectric strength, and the effect of tangible protection against the tide, dustproof, shockproof, anti-heavy current surge arranged.The cabinet top cover is screwed on framework, can conveniently open, so that the installation of bus and maintenance.

The lower floor of cabinet (as shown in Figure 2) is installed with the electric switch components and parts by being fixed on i-beam frame, porcelain vase, the insulated column on the framework, as the on-load switch 8 of microminiature band arc-control device, protective tube 9, micro mutual inductor 10, miniature isolating switch 11 etc.On-load switch and isolating switch are connected with operating grip 16,17 on being installed in cabinet door 12 by connecting rod.The contact that the bus lead-out wire is connected with contact 5 and other switching component of on-load switch, all contain processing entirely,, improve insulation property to reach the increase mechanical strength with the heat shrinkage insulation material, reduce electric arc, have dustproof, moistureproof, shockproof effect simultaneously.

Instrument face plate 1 of the present utility model and cabinet door 12 are all used hinge and lock pin, be packed on the cabinet framework, and be openable, the resin type that material selection is transparent is strengthened poly (methyl methacrylate) plate and is made.Drawing the single wire system figure of this cabinet on the cabinet door, making an inspection tour to help operating personnel, the facilities for observation operation conditions is opened the cabinet door and can be overhauled easily.

If plural switch cubicle and arrange to install, sidewall that two cabinets are adjacent can cancel, and with bolt framework interconnected fixingly, so both helped ventilation and heat, saved raw material again, strengthened globality.At this moment, bus-bar room communicates, and intensive invisible bus is a whole common bus that runs through each cabinet, have energy-conservation, shockproof, the characteristics of anti-heavy current surge.This also is important measures can dwindling the switch cubicle volume.

Switch cubicle into and out of cable soft insulating sleeve is housed, introduce from cabinet below and output.The cabinet top is provided with two hoisting rings 13, in order to the installation of switch cubicle.

Claims (4)

1, a kind of intensive invisible bus is installed, nixie display, the high pressure five anti-switch cubicles of microminiature electric switch components and parts is characterized in that cabinet divides upper and lower two-layer with central dividing plate (15); The upper strata is separated into control room (7) and bus-bar room (6) by insulating barrier (4); Be equipped with on the instrument face plate (1) and install and fix intensive invisible bus (3) in nixie display (2), the bus-bar room; Cabinet lower floor is installing and fixing microminiature electric switch components and parts; Operating grip (16,17) is installed on the cabinet door (12).

2, switch cubicle according to claim 1 is characterized in that described instrument face plate (1) and cabinet door (12) all are packed on the cabinet framework with hinge and lock pin, is openable.

3, switch cubicle according to claim 1 is characterized in that the cabinet top cover is screwed on framework.

4, switch cubicle according to claim 1 is characterized in that the cabinet top is provided with hoisting ring (13).

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