CN203415831U

CN203415831U - Outdoor comprehensive distribution box

Info

Publication number: CN203415831U
Application number: CN201320522966.2U
Authority: CN
Inventors: 朱野营; 张应江; 景山墩; 杨庆元; 杨敏卫
Original assignee: CHKO ELECTRIC Co Ltd
Current assignee: CHKO ELECTRIC Co Ltd
Priority date: 2013-08-23
Filing date: 2013-08-23
Publication date: 2014-01-29
Anticipated expiration: 2023-08-23

Abstract

The utility model discloses an outdoor comprehensive distribution box which comprises a lightning arrester, a general protection circuit breaker, a partial protection circuit breaker, an isolation protection switch, a compensating capacitor, a reactive compensation automatic controller, a capacitance hurl-slices switch, a compensation loop fuse, a measurement and detection system, a monitoring and displaying system, and a leakage-proof box body which is used for installing the above devices. The partial protection circuit breaker comprises a circuit breaker which has functions of overload protection, short circuit protection, and electric leakage protection. The capacitance hurl-slices switch is a silicon-controlled-rectifier noncontact combination switch, and has a zero-cross-switching function. The reactive compensation automatic controller is a microprocessor control device, and can carry out dynamic sampling, analysis calculation, and control signal output according to the size of the reactive power of an inductive load of a load loop, and controls the on-off of the capacitance hurl-slices switch, and automatically carries out reactive compensation for the load loop. The outdoor comprehensive distribution box is advanced in technology, is compact in structure, is complete in functions, has a rain-proof function, can be conveniently disposed beside a transformer, and carries out power supply distribution, protection and reactive compensation for a user of loads.

Description

Outdoor comprehensive distribution box

Technical field

This practicality relates to a kind of outdoor comprehensive power distribution equipment, relates in particular to the outdoor comprehensive distribution box of a kind of applicable transformer.

Background technology

Comprehensive distribution box is a kind of for power distribution equipment, is widely used in the power supply unit of step down side, and it has, and the electric energy that transformer is provided distributes, the comprehensive function of metering, compensation and various electricity protections.Development along with power technology; the utility model has utilized current domestic state-of-the-art electric leakage protection technology, combination switch switching technology and auto-reactive compensation technology, and a kind of advanced technology, compact conformation, multiple functional, the outdoor comprehensive distribution box with rainproof function are provided.

Summary of the invention

The purpose of this utility model is to provide a kind of advanced technology, compact conformation, multiple functional, the outdoor comprehensive distribution box with rainproof function, can be arranged on easily by transformer, to load user's power supply distribute, protection and reactive power compensation.

For achieving the above object, this outdoor comprehensive distribution box comprises lightning arrester, total protective circuit breaker, minute protective circuit breaker, insulation blocking switch, compensation condenser, Reactive Power Compensation Automatic Controller, capacitor fling-cut switch, compensation circuit fuse, Electro-metering system, monitoring display system and for the leakproof casing of above equipment is installed.

Further arrange, described lightning arrester can be YH type zinc oxide arrester, can be also the Surge Protector of respective model.

Further arrange, described total protective circuit breaker comprises the low-voltage circuit breaker of transformer output three-phase three wire total loop.

Further arrange, described minute protective circuit breaker comprises low-voltage circuit breaker and the earth leakage circuit breaker of the branch road of respectively powering, and what this power supply branch road can be according to user need to arrange several.

Further arrange, described insulation blocking switch, for band fuse disconnecting switch, can be also the isolating switch of other form.

Further arrange, described building-out capacitor is for for closing three-phase building-out capacitor and the single-phase building-out capacitor for minute mending of benefit, and the quantity of building-out capacitor can need to set according to compensation circuit.

Further arrange, described Reactive Power Compensation Automatic Controller is a kind of microcomputerized controller, can dynamically sample according to the size of electricity consumption circuit power factor, analytical calculation and output control signal be to capacitor fling-cut switch in order to reactive compensation capacitor is carried out to a kind of automatic control equipment of switching, this device should have and circuit carried out to three-phase combination is mended and the function of single-phase minute benefit.

Further arrange, described capacitor fling-cut switch is the Contactless composite switch that controllable silicon forms, and has operating passing zero function, and the rush of current producing in the time of greatly reducing capacitor switching extends the useful life of fling-cut switch and building-out capacitor and improves power supply quality.

Further arrange, described Electro-metering, surveillance comprise current transformer, Displaying Meter and Multifunctional measuring terminal box.

Further arrange, described leakproof casing comprises with awning, leakproof door and has drip-preventing function wire inlet-outlet, and this casing can be the stainless steel casing with earth protective device, can be also the insulation box of being suppressed by organic combined insulated material.

Accompanying drawing explanation

Fig. 1 is the utility model embodiment front equipment scheme of installation.

Fig. 2 is the utility model embodiment back side equipment scheme of installation.

Fig. 3 is the utility model embodiment end view.

Fig. 4 is the utility model embodiment instrument door equipment scheme of installation.

Fig. 5 is that the utility model embodiment is into and out of line mouth schematic diagram.

Fig. 6 is the utility model embodiment electrical schematic diagram.

Embodiment

As shown in Fig. 1-6; specific embodiment of the utility model is the outdoor comprehensive distribution box of a kind of transformer, and this outdoor comprehensive distribution box comprises lightning arrester 1, total protective circuit breaker 2, minute

protective circuit breaker

4 and 5, insulation blocking switch 6,

compensation circuit fuse

7 and 8,

compensation condenser

12 and 13, Reactive Power Compensation Automatic Controller 20, capacitor fling-

cut switch

10 and 11, monitoring display system, Electro-metering system and for the wicket 9 of Displaying Meter, Reactive Power Compensation Automatic Controller being installed and for the leakproof casing 17 of above equipment is installed.

Described lightning arrester can be YH type zinc oxide arrester, also can be the Surge Protector of respective model, described minute protective circuit breaker comprises low-voltage circuit breaker 4 and the earth leakage circuit breaker 5 of the branch road of respectively powering, in order to each power supply branch road is carried out to power transmission and overload, short circuit and earth leakage protective, this power supply branch road can be according to user several need to be set, described insulation blocking switch 6 is band fuse disconnecting switch, also can be the isolating switch of other form simultaneously, during power supply in order to capacitance compensation loop is transshipped and short-circuit protection, during maintenance in order to isolate supply line's easy access of bottom, described building-out capacitor is for for closing three-phase building-out capacitor 12 and the single-phase building-out capacitor 13 for minute mending of benefit, the quantity of building-out capacitor can need to set according to compensation circuit, this building-out capacitor is for compensating to improve the power factor of current supply circuit to the inductive load of circuit, reduce the reactive loss of circuit, described Reactive Power Compensation Automatic Controller 20 is a kind of computer control devices, can carry out dynamic sampling according to the size of load circuit power factor, analytical calculation and output control signal, capacitor fling-

cut switch

10 and 11 is cut-off to control, in order to

reactive compensation capacitor

12 and 13 is dynamically dropped into or to be disconnected, can the compensation circuit number that three-phase combination is mended and single-phase minute mends need to be set according to load circuit, in order to phase three-wire three load and single-phase load are carried out to reactive power compensation, described capacitor fling-

cut switch

10 and 11 three-phase contactless combination switch and single-phase contactless combination switches for controllable silicon composition, the function with operating passing zero, the rush of current producing in the time of greatly reducing capacitor switching, extend the useful life of fling-cut switch and building-out capacitor and improve power supply quality, described monitoring display system comprises current transformer 3 and Displaying Meter 21, described Electro-metering system comprises high precision current transformer 14 and the metering junction box 15 for measuring.

Further arrange; described leakproof casing 17 comprises with awning 19, leakproof door 16 and has drip-preventing function line curved mouth 18; casing 17 can be the stainless steel casing with ground protection copper bar 22, can be also the insulation box of being suppressed by organic combined insulated material.

Claims

1. an outdoor comprehensive distribution box, comprises lightning arrester, total protective circuit breaker, minute protective circuit breaker, insulation blocking switch, compensation condenser, Reactive Power Compensation Automatic Controller, capacitor fling-cut switch, compensation circuit fuse, monitoring display system, Electro-metering system and for the casing of above equipment is installed.

2. outdoor comprehensive distribution box according to claim 1, is characterized in that: a described minute protective circuit breaker comprises having the circuit breaker of overload, short-circuit protection and have overload, short circuit, earth leakage protective circuit breaker.

3. outdoor comprehensive distribution box according to claim 1, is characterized in that: described capacitor fling-cut switch is controllable silicon Contactless composite switch; Described Reactive Power Compensation Automatic Controller is to have the Reactive Power Compensation Automatic Controller that function was mended and mended for single-phase minute to three-phase combination.