CN-121216332-B - Bus duct jack box and assembly method thereof

CN121216332BCN 121216332 BCN121216332 BCN 121216332BCN-121216332-B

Abstract

The invention belongs to the technical field of power equipment, and discloses a bus duct jack box and an assembly method thereof, wherein the bus duct jack box comprises a box body, a circuit breaker, a plug connector, a connecting piece and pins; the circuit breaker is arranged in the box body, the pins are arranged on the box body through the plug connector, the opposite ends of the connecting piece are detachably connected with the wire inlet end of the circuit breaker and the plug connector respectively, and when the opposite ends of the connecting piece are in a connection state with the wire inlet end of the circuit breaker and the plug connector respectively, the circuit breaker, the connecting piece, the plug connector and the pins are electrically conducted in sequence. The bus duct jack box can adapt to circuit breakers of different types and specifications, improves the compatibility of the bus duct jack box to the circuit breakers of different types and specifications, and has the characteristics of simple structure and convenience in installation.

Inventors

WANG SHUBIN
CAO LEI
HUANG RUI
Xiao Zhouxuan
MA YIXIN
ZHOU JIEJUN

Assignees

广州市半径母线科技有限公司

Dates

Publication Date: 20260508
Application Date: 20251201

Claims (8)

1. The bus duct jack box is characterized by comprising a box body, a circuit breaker, a plug connector, a connecting piece and pins; The circuit breaker is arranged in the box body, the pins are arranged on the box body through the plug connector, opposite ends of the connecting piece are detachably connected with the wire inlet end of the circuit breaker and the plug connector respectively, and when the opposite ends of the connecting piece are in a connection state with the wire inlet end of the circuit breaker and the plug connector respectively, the circuit breaker, the connecting piece, the plug connector and the pins are electrically conducted in sequence; the plug-in connector comprises a plurality of phase line plug-in connectors, and the incoming line end, the connecting piece and the pins of the circuit breaker are respectively arranged in one-to-one correspondence with the phase line plug-in connectors; The bus duct jack box further comprises a fixed seat arranged on the box body, wherein the fixed seat is of an insulating structure, an insulating baffle is arranged on the fixed seat, the baffle separates the fixed seat into a plurality of fixed positions which are isolated from each other, and each phase line plug-in unit is correspondingly arranged on one fixed position; the bus duct jack box further comprises a pin seat arranged at the bottom of the box body, wherein the pin seat is provided with a plurality of slots, the pins penetrate through the slots and are exposed out of the box body, the circuit breaker is arranged in the box body and is suspended above the pin seat, and the fixing seat is adjacent to the circuit breaker and is connected with the pin seat; the phase line plug-in unit comprises a first phase line plug-in unit, a second phase line plug-in unit and a third phase line plug-in unit, wherein the first phase line plug-in unit, the second phase line plug-in unit and the third phase line plug-in unit are sequentially arranged on the fixed seat from front to back along the front and back directions, the slots comprise a first slot, a second slot and a third slot which are sequentially arranged along the left and right directions, the fixed seat is vertically arranged between the first slot and the second slot, the second phase line plug-in unit extends to the first slot along the left side of the fixed seat, the first phase line plug-in unit extends to the second slot from the right side of the fixed seat, and the third phase line plug-in unit extends to the third slot from the end part of the fixed seat, which is far away from the rear side of the first phase line plug-in unit; The fixing seat comprises a vertical plate and a supporting plate arranged on the vertical plate, the blocking piece is a protruding plate arranged on the supporting plate, the protruding plate extends towards the direction of the vertical plate along the supporting plate, the protruding plate is provided with a plurality of protruding plates, the protruding plates are arranged at intervals along the arrangement direction of a plurality of wire inlet ends of the circuit breaker, the supporting plate is divided into a plurality of fixing positions which are isolated from each other, and the supporting plate is arranged opposite to the wire inlet ends of the circuit breaker.
2. The busway jack box of claim 1, wherein the first phase wire insert, the second phase wire insert, and the third phase wire insert each have at least two bent structures.
3. The busway jack box of claim 1, wherein the second phase line insert is disposed in a central location of the box body.
4. The bus duct jack of claim 1, wherein a carrier plate is disposed in the housing, the carrier plate is suspended above the pin base, opposite ends of the carrier plate are detachably connected to opposite sides of the housing, and the circuit breaker is disposed on the carrier plate.
5. The bus duct jack box of claim 1, wherein the plug pins comprise plug pin bodies and mounting plates connected with the plug pin bodies, the mounting plates are borne on the plug pin bases, the plug pin bodies penetrate through the slots, first mounting holes for penetrating fasteners are formed in the phase line plug-in units, the mounting plates and the plug pin bases in sequence, fixing columns are further arranged on the plug pin bases, the fixing columns and the first mounting holes are arranged on two opposite sides of the slots, clamping grooves are formed in the side edges of the mounting plates, the fixing columns are clamped in the clamping grooves, and second mounting holes for penetrating the fixing columns are formed in the phase line plug-in units.
6. The bus duct jack box of claim 1, wherein the plug connector further comprises a grounding plug connector and a zero line plug connector, wherein the grounding plug connector and the zero line plug connector are arranged on one side, away from a wire inlet end of the circuit breaker, of the box body, the pin base is provided with a grounding groove and a zero line groove, the grounding plug connector is in plug fit with the grounding groove, the zero line plug connector is in plug fit with the zero line groove, the grounding groove and the zero line groove are adjacently arranged, and a partition plate is arranged at a position, corresponding to a position between the grounding groove and the zero line groove, of the pin base.
7. The bus duct jack of claim 1, wherein a coaming is arranged at one end of the fixed seat near the pin seat, the coaming and the fixed seat are matched to form a surrounding groove separated from the phase line plug-in unit, and fixing holes for locking a fastener are arranged at the bottom of the surrounding groove and at the corresponding position of the pin seat.
8. The bus duct jack of any one of claims 1-7, wherein a first end of the connector and a line inlet end of the circuit breaker are each provided with a first connection hole for fastener locking, and a second end of the connector and the connector are each provided with a second connection hole for fastener locking; And/or the connecting piece is of a strip-shaped sheet structure; And/or the plug connector is of a sheet structure.

Description

Bus duct jack box and assembly method thereof Technical Field The invention belongs to the technical field of power equipment, and particularly relates to a bus duct jack box and an assembly method thereof. Background The bus jack box is an electrical device for leading out power from a main bus duct and distributing the power to branch electric equipment, and adopts a plug-in structure to realize flexible tapping of the power. Specifically, the device is connected with the bus duct in a plugging manner, introduces a main power supply into the box, performs on-off control through a switching element (a breaker, a knife switch and the like) arranged in the box, and finally transmits electric power to corresponding loads through an output cable. Essentially, the jack box is a power distribution unit which can be directly plugged into the bus duct and realize the power taking function, and compared with the traditional power distribution box, the jack box has obvious advantages in the aspects of safety and operation convenience. Structurally, the bus jack box mainly comprises a shell, a circuit breaker, plug pins and the like, and has the core function of realizing electrical conversion between bus copper bars and cables, so that current is reliably output from a bus system. The power supply is led into the box body from the bus duct through the pins, sequentially passes through the circuit breaker and is connected to the electric equipment through the cable. When the power supply is needed to be cut off or the power supply loop is adjusted, the plug-in box can be directly pulled out from the bus duct in a charged mode, and the operation is flexible and convenient. In the prior art of jack boxes, the interior of the jack box is mainly provided with a cable and is matched with a bolt to connect a breaker with a pin. The scheme has the problems of inconvenient operation and lower efficiency when the box body with a small space is assembled. Disclosure of Invention The invention aims to provide a bus duct jack box, which is used for connecting a circuit breaker with pins through matching of a plug connector and a connecting piece, so that the circuit breaker and the pins can be electrically connected instead of a cable, and the bus duct jack box can be suitable for circuit breakers of different types. The technical scheme for achieving the aim comprises the following steps. The first aspect of the invention provides a bus duct jack box, which comprises a box body, a circuit breaker, a plug connector, a connecting piece and pins; The circuit breaker is arranged in the box body, the pins are arranged on the box body through the plug connector, opposite ends of the connecting piece are detachably connected with the wire inlet end of the circuit breaker and the plug connector respectively, and when the opposite ends of the connecting piece are in a connection state with the wire inlet end of the circuit breaker and the plug connector respectively, the circuit breaker, the connecting piece, the plug connector and the pins are electrically conducted in sequence. In some embodiments, the plug connector comprises a plurality of phase line plug connectors, and the incoming line end, the connecting piece and the pins of the circuit breaker are respectively arranged in one-to-one correspondence with the phase line plug connectors; The bus duct jack box further comprises a fixed seat arranged on the box body, the fixed seat is of an insulating structure, an insulating blocking piece is arranged on the fixed seat, the blocking piece separates the fixed seat into a plurality of fixed positions which are isolated from each other, and each phase line plug-in unit is correspondingly arranged on one fixed position. In some embodiments, the bus duct jack box further comprises a pin seat arranged at the bottom of the box body, the pin seat is provided with a plurality of slots, the pins penetrate through the slots and are exposed out of the box body, the circuit breaker is arranged in the box body and is suspended above the pin seat, and the fixing seat is arranged adjacent to the circuit breaker and is connected with the pin seat. In some embodiments, the phase line plug-in unit comprises a first phase line plug-in unit, a second phase line plug-in unit and a third phase line plug-in unit, wherein the first phase line plug-in unit, the second phase line plug-in unit and the third phase line plug-in unit are sequentially arranged on the fixed seat along a first direction, the slots comprise a first slot, a second slot and a third slot which are sequentially arranged along a second direction, the fixed seat is vertically arranged between the first slot and the second slot, the second phase line plug-in unit extends to the first slot along a first side of the fixed seat, the first phase line plug-in unit extends to the second slot from a second side of the fixed seat, which is far away from the first side, and the third phase line plu