CN201113331Y

CN201113331Y - Outdoor low-voltage integrated distribution box on column

Info

Publication number: CN201113331Y
Application number: CNU200720192195XU
Authority: CN
Inventors: 张启蒙; 吴敏; 石常青
Original assignee: NINGBO TIANYUAN ELECTRIC EQUIPMENT CO Ltd
Current assignee: NINGBO TIANYUAN ELECTRIC EQUIPMENT CO Ltd
Priority date: 2007-10-25
Filing date: 2007-10-25
Publication date: 2008-09-10
Anticipated expiration: 2017-10-25

Abstract

An integrated distribution box used on outdoor low-voltage columns for power supply or distribution comprises a box body, wherein the box body is partitioned into a main switch room, a measuring room and a reactive compensation room, and an inlet wire small room and an outlet wire small room are arranged outside the box body; a measuring current transformer and a sampling current transformer are arranged on a main switch in the main switch room; a sealed rubber gasket is arranged at the site of box body where a cable passes through the main switch room; a user field management mechanism is arranged inside the measuring room; a main switch blade, a capacitor, a micro-circuit breaker, a contactor and a capacitance compensation control instrument are arranged inside the reactive compensation room; a mounting bracket is arranged at the top of the box body; and the operating shaft of a switch on/off operating mechanism of the main switch protrudes out of the main switch room of the box body. The distribution box provided in the utility model integrates electrical energy metering, measuring, controlling and low-voltage reactive compensation; can improve power factor, improve voltage quality, and reduce line loss; and has the advantages of high degree of intellectualization, small volume, compact structure, good sealing performance, simple and convenient installation, and long service life.

Description

Comprehensive distribution box on the outdoor low voltage post

Technical field

The utility model relates to the distribution box technical field that power supply or distribution are used, and especially relates to current collection and can change, distribute, control comprehensive distribution box on the outdoor low voltage post that protection, circuit be isolated from one.

Background technology

The present domestic distributed board outdoor that is used in the public change low-pressure side in town and country exists following defective: the one, and function singleness is only isolated as circuit, does not have the effect that improves power factor, raising quality of voltage, reduces line loss; The 2nd, water-resistant performance is poor, and the connected mode of cable needs to extend to box house from the outside of case shell, and rainwater enters easily; The 3rd, inconvenience is installed, need with the fixing mode of underframe; The 4th, operate dangerous, need open equipment the door can carry out breaking-closing operating.

Summary of the invention

The purpose of this utility model is the deficiency at above-mentioned prior art, comprehensive distribution box on a kind of outdoor low voltage post is provided, make it to have the electric energy conversion, distribute, control multiple functions such as protection, circuit isolation, improve power factor to greatest extent, improve quality of voltage, reduce line loss, reduce equipment and drop into expense, reduce the power supply department working strength of workers; And have simple in structure, dependable performance, weight is lighter, installation, operation and easy to maintenance, the characteristics of long service life.

For achieving the above object, the technical solution of the utility model is such: comprehensive distribution box on a kind of outdoor low voltage post, a casing is arranged, and be divided into three Room in the casing: positive right side of face is the main switch chamber, and the left side is a measuring room, and the measuring room back is the reactive power compensation chamber; Outside casing and with the main switch chamber is joining, two cells are arranged, be respectively inlet wire cell that is in rear side upper end, main switch chamber and the outlet cell that is in lower end, right side, main switch chamber; Be provided with main switch in the main switch chamber, main switch is installed by the insulator that is fixed on the casing; Main switch is provided with fuse, and operating mechanism, connects the copper busbar of turnover line, is connected with metering current mulual inductor and sampled current transformer between the copper busbar of turnover line; Cable causes the inlet wire cell from the low voltage terminal of transmitting transformer, insert the end of incoming cables copper busbar of main switch,, connect the leading-out terminal copper busbar of main switch through metering current mulual inductor and sampled current transformer, introduce the outlet cell again, cause power consumption equipment by the outlet cell; The casing place of passing through the main switch chamber at cable is provided with sealing rubber pad, to play proof voltage protection and rainproof sealing function; Termination at the copper busbar that passes in and out line makes the terminal of being convenient to cable connection; Go out wire loop 1 into and out of locating to be equipped with for the protection cable insulation at cable; Be provided with in measuring room by active watt-hour meter, wattless component watt-hour meter, electric energy metrical associating terminal box and form user's field management mechanism, measuring room is equipped with door-plate, is provided with observation window on door-plate; Indoor in reactive power compensation, be equipped with capacitor loop total plug-in strip, control and capacitor for voltage protection little shape circuit breaker and contactor, capacitor and be used for the capacitance compensation controller of automatic switching control, above-mentioned each parts electrically connect mutually; The reactive power compensation chamber also is provided with door-plate; For easy for installation, on casing top, be provided with mounting bracket, this mounting bracket can be directly and the transformer mounting bracket on the wire column fix; For easy to operate, it is outdoor that the operating axis of divide-shut brake operating mechanism stretches out the main switch of casing.

Owing to adopted above-mentioned technical scheme, comprehensive distribution box on a kind of outdoor low voltage post of the present utility model, current collection can meterings, measurement and control, low-pressure reactive compensation be in one, intelligent degree height; Volume is little, compact conformation, good seal performance, install simple and convenient, long service life; The user can reduce equipment and drop into expense, improves power factor, improves quality of voltage, reduces line loss.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the rearview of Fig. 1.

Fig. 3 is the left view of Fig. 1.

Among the figure: 1, mounting bracket, 2, roof box, 3, user's field management mechanism, 4, observation window, 5, door-plate, 6, door handle with lock, 7, door-plate, 8, copper bar, 9, rubber gasket, 10, main switch, 11, hoisting ring, 12, metering current mulual inductor, 13, connect copper bar 14, copper bar, 15, go out wire loop, 16, insulator, 17, fuse, 18, sampled current transformer, 19, operating mechanism, 20, the inlet wire binding post, 21, the long cable section of ingoing line cell, 22, the cable outlet cell, 23, the outlet binding post, 24, casing, 25, the total plug-in strip of capacitor loop, 26, circuit breaker, 27, contactor, 28, door-plate, 29, capacitor, 30, the capacitance compensation controller, 31, earthing device, 32, operating axis.

Embodiment

Shown in Fig. 1-3, comprehensive distribution box on a kind of outdoor low voltage post of the present utility model has a casing 24, and casing is provided with earthing device 31; Be divided into three Room in the casing: positive right side of face is the main switch chamber, and the left side is a measuring room, and the measuring room back is the reactive power compensation chamber; Outside casing and with the main switch chamber is joining, two cells are arranged, be respectively inlet wire cell 21 that is in rear side upper end, main switch chamber and the outlet cell 22 that is in lower end, right side, main switch chamber; Be provided with main switch 10 in the main switch chamber, main switch is installed by the insulator 16 that is fixed on the casing; Main switch is provided with fuse 17, and operating mechanism 19, connects the

copper busbar

8,14 of turnover line, is connected with metering current mulual inductor 12 and sampled current transformer 18 between the copper busbar of turnover line; Cable causes inlet wire cell 21 from the low voltage terminal of transmitting transformer, insert the end of incoming cables copper busbar of main switch 10, through metering current mulual inductor and sampled current transformer, by connecting the leading-out terminal copper busbar 14 that copper bar 13 connects main switch, introduce outlet cell 22 again, cause power consumption equipment by the outlet cell; Door-plate 7 is equipped with in the main switch chamber, is provided with door handle with lock on door-plate; The casing place of passing through the main switch chamber at cable is provided with sealing rubber pad 9, to play proof voltage protection and rainproof sealing function; Termination at the copper busbar that passes in and out line makes the

terminal

20,23 of being convenient to cable connection; Go out wire loop 15 into and out of locating to be equipped with for the protection cable insulation at cable; Be provided with in measuring room by active watt-hour meter, wattless component watt-hour meter, electric energy metrical associating terminal box and form user's field management mechanism 3, measuring room is equipped with door-plate 5, is provided with observation window 4 and door handle with lock 6 on door-plate; Indoor in reactive power compensation, be equipped with capacitor loop total plug-in strip 25, control and capacitor for voltage protection little shape circuit breaker 26 and contactor 27, capacitor 29 and be used for the capacitance compensation controller 30 of automatic switching control, above-mentioned each parts electrically connect mutually; The reactive power compensation chamber also is provided with door-plate 28, and door-plate is provided with door handle with lock; For easy for installation, on casing 24 top, be provided with mounting bracket 1, this mounting bracket can be directly and the transformer mounting bracket on the wire column fix; Said mounting bracket 1 is on the roof box 2 that is fixed on the casing top, and roof box 2 and casing 24 connect for shirking; For easy to operate, it is outdoor that the operating axis 32 of divide-shut brake operating mechanism 19 stretches out the main switch of casing 24; Be convenient in carrying, on roof box 2, be provided with hoisting ring 11.

Claims

1, comprehensive distribution box on a kind of outdoor low voltage post has a casing (24), and casing is provided with earthing device (31), it is characterized in that: be divided into three Room in the casing: positive right side of face is the main switch chamber, and the left side is a measuring room, and the measuring room back is the reactive power compensation chamber; Outside casing and with the main switch chamber is joining, two cells are arranged, be respectively inlet wire cell (21) that is in rear side upper end, main switch chamber and the outlet cell (22) that is in lower end, right side, main switch chamber; In the main switch chamber, be provided with main switch (10), main switch is provided with fuse (17), and operating mechanism (19), connect the copper busbar (8,14) that passes in and out line, be connected with metering current mulual inductor (12) and sampled current transformer (18) between the copper busbar of turnover line; Cable causes inlet wire cell (21) from the low voltage terminal of transmitting transformer, connects main switch (10), introduces outlet cell (22) again, causes power consumption equipment by the outlet cell; The casing place of passing through the main switch chamber at cable is provided with sealing rubber pad (9); In measuring room, be provided with by active watt-hour meter, wattless component watt-hour meter, electric energy metrical associating terminal box and form user's field management mechanism (3); Indoor in reactive power compensation, be equipped with capacitor loop total plug-in strip (25), capacitor (29), control and capacitor for voltage protection little shape circuit breaker (26) and contactor (27) and be used for the capacitance compensation controller 30 of automatic switching control; On casing (24) top, be provided with mounting bracket (1); It is outdoor that the operating axis (32) of said divide-shut brake operating mechanism (19) stretches out the main switch of casing (24).

2, comprehensive distribution box on a kind of outdoor low voltage post according to claim 1 is characterized in that: make the terminal (20,23) of being convenient to cable connection in the termination of said turnover line copper busbar (8,14).

3, comprehensive distribution box on a kind of outdoor low voltage post according to claim 1 is characterized in that: go out wire loop (15) into and out of locating to be equipped with for the protection cable insulation at said cable.

4, comprehensive distribution box on a kind of outdoor low voltage post according to claim 1 is characterized in that: said mounting bracket (1) is to be fixed in the casing top to go up on the set roof box (2), and roof box (2) connects for shirking with casing (24).

5, comprehensive distribution box on a kind of outdoor low voltage post according to claim 4 is characterized in that: be provided with hoisting ring (11) on said roof box (2).