CN207282971U - Portable tape grounding function power distributing cabinet - Google Patents

Abstract

The utility model discloses a portable power distribution box with grounding function. The box body is sequentially fixed with a knife melting switch, a copper bus bar, an air switch and a double-head isolating knife switch. The incoming cable passes through the incoming hole in series with the knife fuse switch, the three-phase outgoing lines of the knife fuse switch are respectively connected to the copper busbar, the air switch is connected in parallel to the copper busbar, and each of the The upper end contact of the air switch is connected with the outgoing cable, and the lower end contact is connected with the grounding line. In terms of safety protection, the distribution box enables the power box to have the function of a grounding knife, that is, a grounding point is added at the inner outlet of the power, and the knife is connected in series between the low-voltage outlet and the ground by installing the knife. To realize the maintenance state of the line and eliminate the safety hazard of installing the grounding wire in the branch box, on the one hand, it improves the protection of personnel and the safety of equipment, and on the other hand, it makes the grounding operation on the job site simple, fast and reliable.

Description

Portable tape grounding function power distributing cabinet

Technical field

The technical field of low pressure power supply and distribution is the utility model is related to, the low-voltage distribution being related in low-voltage power supply and distribution system is set It is standby.More specifically, it the utility model is related to a kind of portable tape grounding function power distributing cabinet.

Background technology

Headstock is responsible for completing electric energy conversion and distribution in low-voltage power supply system.With the development of science and technology electric distribution The application of case is more and more wider, is widely used in the occasion that load is more dispersed, circuit is less；The a certain electricity of upper level controller switching equipment The electric energy on road distributes to load nearby, and protection, control action are played to load.It develops and national economy, science and technology and people The development of people's living standard is closely related.

Application of the low-voltage circuit insulated conductor in power distribution station is more and more extensive, if insulated conductor is fitted without electrical verification Ground loop destroys wire insulation, and ground wire will be unable to install, and great difficulty is caused to low-voltage circuit maintenance.Headstock exists Had a problem that in O＆M maintenance, exactly in headstock when needing maintenance all the way, in order to ensure the safety of operation, remaining branch Road, which will also accompany, stops, and expands power failure range, greatly affected rural power grids power supply reliability.

Utility model content

Technical problem to be solved in the utility model is to realize a kind of portable tape grounding function power distributing cabinet, with solution Obvious cut-off point during maintenance is certainly acted not only as in existing line technology, and improves line maintenance security reliability. On the one hand protectiveness, the security of equipment of personnel is improved, on the other hand promotes operation field easy to operate, quick, reliable.

To achieve these goals, the technical solution adopted in the utility model is：Portable tape grounding function electric distribution Case, babinet are fixed with switch with knifeshaped fuse, three copper bus-bars, air switch and double end disconnection switch, the case successively from top to bottom Body top is equipped with entrance hole, and inlet wire cable is connected through entrance hole with the switch with knifeshaped fuse, the three-phase outlet of the switch with knifeshaped fuse It is connected respectively with three copper bus-bars, the air switch is equipped with three and is connected in parallel on the copper bus-bar, and each air is opened The upper end contact portion outlet cable of pass, the lower end contact portion ground path.

The outlet cable and ground path draw babinet by the outlet hole of lower box.

The switch with knifeshaped fuse is double end disconnection switch with ground.

The babinet is resin material, and the babinet is equipped with chamber door, and the chamber door is transparent resin material, the chamber door and Babinet side is connected through the hinge, and opposite side is equipped with matched lock.

Two rollers are equipped with the left of the tank floor, handle is equipped with the right side of the babinet top.

The switch with knifeshaped fuse, three copper bus-bars, air switch and double end disconnection switch are each attached in babinet solid vertically On fixed installing plate, the installing plate is the resin plate for being evenly distributed with hollow out hole, and the bottom surface in the babinet is equipped with vertically Two dampers, the installing plate are fixed on damper.

The utility model portable tape grounding function power distributing cabinet makes headstock possess earthing switch blade in safeguard protection Function, i.e., earth point is added in outlet in power, and is serially connected in by installing plug-in strip between low-pressure line-outgoing and ground connection, using pair Line maintenance state is realized in the operation of the plug-in strip, is eliminated security risk that ground wire is installed in feeder pillar, is on the one hand improved The protectiveness of personnel, the security of equipment, on the other hand promote operation field ground connection easy to operate, quick, reliable.

Brief description of the drawings

The content of every width attached drawing expression in the utility model specification and the mark in figure are briefly described below：

Fig. 1 is portable tape grounding function power distributing cabinet structure diagram；

Mark in above-mentioned figure is：1st, inlet wire cable；2nd, switch with knifeshaped fuse；3rd, copper bus-bar；4th, air switch；5th, double end every From knife-like switch；6th, outlet cable；7th, ground path.

Embodiment

As shown in Figure 1, it is equipped with switch with knifeshaped fuse 2, three copper bus-bars 3, air in portable tape grounding function power distributing cabinet Switch 4 and double end disconnection switch 5, is fixed for convenience of wiring, 2, three copper bus-bars 3 of switch with knifeshaped fuse, air switch 4 and double end every It is sequentially fixed at from top to bottom in babinet from knife-like switch 5, the mode of connection is as follows：Inlet wire cable 1 (Bundling conducting wire) and switch with knifeshaped fuse 2 Series connection, 2 three-phase of switch with knifeshaped fuse are connected with three copper bus-bars 3 respectively；Copper bus-bar 3 connects the air switch 4 of three tunnels parallel connection, and air is opened Closing 4 lower ends and connect three tunnels double end disconnection switch 5 with ground, the intermediate contact of knife-like switch is attempted by copper bus-bar 3 respectively, and three The upper terminal contacts of road double end disconnection switch 5 with ground is in the outlet of circuit, its lower terminal contacts are attempted by ground path 7 On.

This portable tape grounding function power distributing cabinet provided by the utility model, is isolated using double end with ground Knife-like switch 5, upper end connection electric transmission line low-voltage bus bar, lower end ground connection.Properties of product are more perfect, solve line maintenance operation Security, and remaining branch stops without matching somebody with somebody, and reduces power failure range, improves rural power grids power supply reliability.

For convenience of carrying, babinet is resin material, and babinet is equipped with chamber door, and chamber door is transparent resin material, can so be dropped Low total quality, is convenient for carrying and observes, meanwhile, chamber door and babinet side are connected through the hinge, and opposite side is equipped with matched Lock, ensures the reliable closure of chamber door and babinet during distribution box transport.

In addition, being equipped with two rollers on the left of tank floor, handle is equipped with the right side of babinet top, composition is similar to trolley case knot Structure, can tilt and tow, facilitate level land to transport, and when putting down handle, be equipped with roller due to only unilateral, babinet also can reliably be put Put.For avoid the component in transportational process in distribution box from occurring damaging because of vibrations or open circuit, 2, three copper mothers of switch with knifeshaped fuse Row 3, air switch 4 and double end disconnection switch 5 are each attached to installing plate front fixed vertically in babinet, and installing plate is uniform The resin plate of hollow out hole is distributed with, helps to reduce weight, the bottom surface in babinet is vertical to be equipped with two dampers, installation backboard Face is fixed by the bracket on damper.

The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implements and from above-mentioned The limitation of mode, if the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or not It is improved by the present invention design and technical solution directly apply to other occasions, the scope of protection of the utility model it It is interior.

Claims (6)

1. Portable power distribution box with grounding function, characterized in that: the box is fixed with a knife fuse switch, three copper busbars, an air switch and a double-head isolating knife switch from top to bottom, and the upper part of the box is equipped with an inlet The wire hole, the incoming cable passes through the wire hole in series with the knife fuse switch, the three-phase outgoing wires of the knife fuse switch are respectively connected to three copper busbars, and the air switch is provided with three and connected in parallel to the copper busbars In a row, the upper contact of each air switch is connected to the outgoing cable, and the lower contact is connected to the grounding line. 2. The portable power distribution box with grounding function according to claim 1, wherein the outgoing cable and the grounding line are led out of the box through the outlet hole at the lower part of the box. 3. The portable power distribution box with grounding function according to claim 1 or 2, characterized in that: the knife fuse switch is a double-ended isolating knife switch with grounding. 4. The portable power distribution box with grounding function according to claim 3, characterized in that: the box body is made of resin material, and the box body is provided with a box door, and the box door is made of transparent resin material, the One side of the box door and the box body is connected by a hinge, and the other side is provided with a matching lock. 5. The portable power distribution box with grounding function according to claim 4, wherein two rollers are provided on the left side of the bottom of the box, and a handle is provided on the right side of the top of the box. 6. The portable power distribution box with grounding function according to claim 5, characterized in that: the knife fuse switch, three copper busbars, air switch and double-head isolating knife switch are all fixed in the vertically fixed box On the mounting plate, the mounting plate is a resin plate evenly distributed with hollow holes, and the bottom surface of the box is vertically provided with two shock absorbers, and the mounting plate is fixed on the shock absorbers.