CN203456781U - Drawer type intelligent comprehensive low-voltage distribution JP cabinet - Google Patents

Abstract

The utility model discloses a drawer type intelligent comprehensive low-voltage distribution JP cabinet, wherein a master wire-incoming element cell is internally provided with a wire-incoming three-phase air switch. The wire-incoming three-phase air switch is connected with a wire-incoming copper-bar terminal in a drawer element cell by means of a copper bar in an insulating chamber. In a lightning protection control element cell, an insulating partition plate is provided with a first-aid-repair illumination control switch, a first-aid-repair illumination control breaker, a surge control breaker, a surge protector and a temperature controller. Four drawer units are arranged in the drawer element cell, wherein the upper three drawer units are internally provided with a drawer operating panel, a remote earth leakage protection switch and a wire-outgoing panel, respectively, and the lowest drawer unit is in the form of a reactive compensation drawer unit. A metering element cell is internally provided with a metering device and a remote terminal control system, wherein the data transmission between the remote terminal control system and a computer terminal can be realized based on the GPRS service. According to the technical scheme of the utility model, the space resource is greatly saved and the maintenance interchangeability of the distribution cabinet is improved. Meanwhile, the protectiveness of personnel and the safety of equipment are improved, and the on-site operation is simple, fast and reliable at the same time.

Description

Drawer-type intelligent integrated low-voltage power distribution JP cabinet

technical field

The utility model relates to the technical field of low-voltage power distribution equipment in power systems, in particular to a drawer-type intelligent comprehensive low-voltage power distribution JP cabinet.

Background technique

Low-voltage power distribution cabinets go deep into production sites, public places, residential buildings and other places. It can be said that all places where electrical equipment is used must be equipped with this equipment. The development of low-voltage power distribution cabinets is rooted in the material industry, low-voltage electrical, processing technology and equipment. , infrastructure construction and people's living standards, so the level of low-voltage power distribution cabinets reflects a region's economic strength and scientific and technological living standards from one aspect. With the increase of residential electricity load and the continuous improvement of the safe electricity consumption level in rural areas, the requirements for the insulation degree of the distribution JP cabinet in the distribution station area are getting higher and higher. The previous low-voltage power distribution JP cabinet has a large volume and an uncompact internal structure; second, the safety, reliability and interchangeability of the maintenance of each outgoing line are not high, and the entire power distribution cabinet must be powered off for maintenance when a fault is repaired; Leakage protectors are still at the backward level of manual management, the level of intelligence is not high, and the maintenance and testing work is relatively heavy; fourth, there is no emergency lighting in the power distribution JP cabinet for emergency repair at night; There is no exhaust cooling device; Sixth, the power distribution cabinet is bulky during transportation.

Contents of the invention

The purpose of the utility model is to provide a drawer-type intelligent integrated power distribution JP cabinet with all the live parts insulated and high maintenance interchangeability in order to make up for the defects of the prior art.

The utility model is achieved through the following technical solutions:

A drawer-type intelligent integrated low-voltage power distribution JP cabinet, including a main incoming line unit room, a lightning protection control unit room, a copper busbar insulation room, a drawer unit room and a metering unit room. The main incoming line unit room is installed with Incoming line three-phase air switch, the outlet end of the incoming line three-phase air switch is connected to the copper bar in the copper busbar insulation room, and the copper bar is connected to the incoming line copper bar terminal in the drawer unit room. The lightning control unit room is below the main incoming line unit room and separated by an insulating partition. The lightning protection control unit room panel is sequentially installed with a repair lighting control button, a miniature circuit breaker, and a lightning protection surge control miniature circuit breaker. , surge protector and temperature controller, the drawer unit room includes four drawer units, and the drawer operation panel, remote leakage protection switch and incoming and outgoing line panels are installed in the above three drawer units. The left side of the operation panel is provided with an observation window and groove handle 1, the middle of the drawer operation panel is provided with a drawer operation self-locking mechanism, the right side of the drawer operation panel is provided with an instrument panel and groove handle 2, and the bottom of the drawer operation panel is provided with The drawer keyhole, the incoming wire at the left end of the remote leakage protection switch is connected to the incoming wire drawer terminal through the copper bar, and the outgoing wire at the right end is connected to the outgoing wire drawer terminal through the copper bar. The lower drawer unit is a reactive power compensation unit room. The reactive power compensation unit is equipped with a remote acquisition reactive power compensation controller, an air switch, a thermal relay, a contactor and a capacitor. The row and wire are connected to the thermal relay, the thermal relay is connected to the contactor through the wire, the contactor is connected to the reactive power compensation capacitor through the wire, and the compensation capacity of the reactive power compensation capacitor is controlled by the reactive power compensation controller to control the switching of the contactor Compensation for different capacitor quantities, the metering unit is equipped with a metering device and a remote terminal control system, which can be transmitted to the computer terminal through GPRS, and can also be read on the spot through the observation window. the

It also includes a grounding drawer unit for maintenance. The grounding drawer unit for maintenance only has outgoing wire terminals, and the outgoing wire terminals are connected to the drawer unit through grounding copper bars. They are usually not installed in the power distribution JP cabinet and are subject to on-site maintenance and replacement. Replace the original drawer unit.

The main incoming line unit room, the lightning protection control unit room, the copper busbar insulation room, the drawer unit room and the metering unit room are respectively separated by ventilated insulating partitions.

The copper busbar insulation room is a fully enclosed structure.

It also includes exhaust cooling system, emergency repair lighting device, door panel wind hook windproof device, four self-locking universal wheels at the bottom of the cabinet and drawer unit room door panel folder.

The utility model has the advantages that: the utility model greatly saves space resources, and through the invention of a new drawer structure, it can not only be used as an obvious disconnection point during the maintenance of low-voltage lines, but also improves the maintenance interchangeability of power distribution cabinets. On the one hand, it improves the protection of personnel and the safety of equipment; on the other hand, it makes the operation on the job site simple, fast and reliable; through the invention of the remote control system, information integration, query and remote control are realized. This module has good function expansion and compatibility; through the invention of the emergency repair lighting device, it provides safety for night repair; through the invention of the exhaust air cooling device, the internal temperature is higher than the set value and automatically turns on to reduce the internal temperature; through the installation of four removable at the bottom of the cabinet The self-locking universal wheel is convenient for loading and unloading; through the invention of the door panel air hook device, the door panel can be self-locked at a fixed position during the maintenance of the power distribution cabinet. the

Description of drawings

Fig. 1 is the front view of the utility model.

Fig. 2 is the rear view of the utility model.

Fig. 3 is a sectional view along line A-A of Fig. 1 .

Fig. 4 is a top view of the reactive power compensation unit room of the present invention.

Fig. 5 is a top view of the maintenance grounding drawer unit of the present invention.

Detailed ways

As shown in Figures 1, 2, 3, 4, and 5, a drawer-type intelligent integrated low-voltage power distribution JP cabinet includes a main incoming line unit room 1, a lightning protection control unit room 4, a copper busbar insulation room 3, and a drawer The unit room 2 and the metering unit room 5, the main incoming line unit room 1 is equipped with an incoming line three-phase air switch 7, and the outlet end of the incoming line three-phase air switch 7 is connected to the copper busbar insulation The copper bars in the room 3 are connected to the incoming copper bar terminals of the drawer unit room 2, and the lightning protection control unit room 4 is below the main incoming line unit room 1 and separated by an insulating partition 37. The lighting control button 30, miniature circuit breaker 31, lightning protection and surge control miniature circuit breaker 33, surge protector 34 and temperature controller 35 are successively installed on the panel of said lightning protection control unit room 4, and said drawer unit Room 2 includes four drawer units, and drawer operation panels 10, remote leakage protection switches 11 and incoming and outgoing line panels are installed in the upper three drawer units. On the left side of the drawer operation panel 10, there are observation windows 12 and recessed Groove handle 1 6, a drawer operation self-locking mechanism 13 is provided in the middle of the drawer operation panel 10, an instrument panel 14 and a groove handle 2 15 are provided on the right side of the drawer operation panel 10, and a drawer key hole is provided under the drawer operation panel 10 16. The incoming line at the left end of the remote leakage protection switch 11 is connected to the incoming line drawer terminal 17 through a copper bar, and the outgoing line at the right end is connected to the outgoing line drawer terminal 18 through a copper bar. The lower drawer unit is a reactive power compensation unit room 19, so The reactive power compensation unit room 19 described above is equipped with a remote collected reactive power compensation controller 20, an air switch 21, a thermal relay 22, a contactor 23 and a capacitor 24, and the incoming line at the left end of the air switch 21 passes through the copper bar and The line busbar terminal 25 is connected, and the outgoing line at the right end is connected to the thermal relay 22 through the copper bar and the wire, the thermal relay 22 is connected to the contactor 23 through the wire, and the contactor 23 is connected to the reactive power compensation capacitor 24 through the wire, and the reactive power The compensation capacity of the compensation capacitor 24 is controlled by the reactive power compensation controller 20 to control the contactor 23 to switch different capacitors 24 for quantity compensation. The metering unit chamber 5 is equipped with a metering device 37 and a remote terminal control system 38, which can be transmitted through GPRS On the computer terminal, you can also read the meter on the spot through the observation window. the

It also includes an inspection and grounding drawer unit 44. The inspection and grounding drawer unit 44 only has outlet terminals 46, and the outlet terminals 46 are connected to the drawer unit through the grounding copper bar 45 and are not usually installed in the power distribution JP cabinet. Replace the original drawer unit when it is to be repaired or replaced on site.

The main incoming line unit room 1, the lightning protection control unit room 4, the copper busbar insulation room 3, the drawer unit room 2 and the metering unit room 5 are respectively separated by ventilated insulating partitions.

The copper busbar insulation chamber 3 is a fully enclosed structure.

Also include exhaust cooling system 36, emergency repair lighting device 32, door panel wind hook windproof device 47, four self-locking universal wheels 46 and drawer unit room door panel folder 41 at the bottom of the cabinet, door panel wind hook windproof device 47 can Effectively fix and open the door panel, which facilitates on-site maintenance.

Claims (5)

1. a drawer type intelligent comprehensive low-voltage distribution JP cabinet, it is characterized in that: include total input-wire element cell, lightning protection control unit chamber, copper bus-bar insulation chamber, drawer unit chamber and metering units chamber, inlet wire three-phase air switch is installed in described total input-wire element cell, the leading-out terminal of described inlet wire three-phase air switch connects the described copper bus-bar indoor copper bar that insulate, copper bar is connected with the inlet wire copper bar terminal of drawer unit chamber, described lightning protection control unit chamber separates below total input-wire element cell and by insulating barrier, repairing illumination control button has been installed on described lightning protection control unit chamber panel successively, miniature circuit breaker, lightning protection surge is controlled miniature circuit breaker, Surge Protector and temperature controller, described drawer unit chamber includes four drawer units, above drawer guidance panel is all installed in three drawer units, long-range earth leakage circuit-breaker and line panel, on the left side of described drawer guidance panel, have observation form and groove handle one, the centre of drawer guidance panel is provided with drawer operation self-locking mechanism, the right of drawer guidance panel be provided with instrument face plate and and groove handle two, the below of drawer guidance panel has drawer key hole, the left end inlet wire of described long-range earth leakage circuit-breaker is connected with inlet wire drawer terminal by copper bar, right-hand member outlet is connected with outlet drawer terminal by copper bar, below a drawer unit be reactive power compensation element cell, the idle compensating control of remote collection is installed in described reactive power compensation element cell, air switch, thermal relay, contactor and capacitor, described air switch left end inlet wire is connected with incoming-line busbar terminal by copper bar, right-hand member outlet is connected with described thermal relay with wire by copper bar, thermal relay connects contactor by wire, contactor connects reactive-load compensation capacitor by wire, the compensation capacity of described reactive-load compensation capacitor compensates by the different capacitors count of idle compensating control control contactor switching, described metering units indoor location has metering device and remote terminal control system.

2. drawer type intelligent comprehensive low-voltage distribution JP cabinet according to claim 1, it is characterized in that: also include inspection earthing drawer unit, described inspection earthing drawer unit only has outlet terminal, on the drawer unit of outlet terminal by grounding copper bar and described in being connected in.

3. drawer type intelligent comprehensive low-voltage distribution JP cabinet according to claim 1, is characterized in that: described total input-wire element cell, lightning protection control unit chamber, copper bus-bar insulation separate with the insulating barrier ventilating respectively between chamber, drawer unit chamber and metering units chamber.

4. drawer type intelligent comprehensive low-voltage distribution JP cabinet according to claim 1, is characterized in that: described copper bus-bar insulation chamber is full-closed structure.

5. drawer type intelligent comprehensive low-voltage distribution JP cabinet according to claim 1, is characterized in that: also including at the bottom of air draft cooling system, emergency first-aid repair lighting device, door-plate window catch wind-proof device, cabinet four can Self-locking universal wheel and drawer unit chamber door-plate information kit.

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