Conductor current-carrying compensation connecting piece for busway joint
A technology of bus duct and connecting piece, which is applied in the direction of conductive connection, connection, electrical component connection, etc., can solve the problem of loss of connection conductor cross section, and achieve the effects of reliable performance, reduced volume, and convenient installation
Active Publication Date: 2014-10-22
JIANGSU ONEQ ELECTRICAL APPLIANCE GRP
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Problems solved by technology
[0005]Technical problem: The purpose of the present invention is to solve the problem of the loss of the cross-section of the connecting conductor due to the position space of the insulating bolt, the electrical clearance and the creepage distance of the existing busbar joint connecting conductor , to provide a new type of conductor current-carrying compensation connection piece for bus duct joints with safe and reliable performance, low manufacturing cost, and convenient installation
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[0014] The technical problem to be solved by the present invention is how to make full use of the limited space to compensate for the loss of the conductive section caused by the insulating bolts occupying the connection position of the busway joint, and at the same time ensure the most effective electrical clearance and creepage distance, so as to be safe and reliable.
[0015] The connecting method adopted by the connecting conductor of the bus duct joint is a butt joint type, and each phase adopts a separate piece of bus duct joint conductor current-carrying compensation connecting piece 1 to connect two sections of bus duct conductors; the connecting piece is divided into positive and negative sides, The front is in contact with the conductor of the bus duct, and a raised compensation section transition block 2 is provided in the middle of the front, and one or more insulating bolt connection holes 3 are provided in the middle of the bus duct joint conductor current-carrying...
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The invention relates to a bus duct joint conductor current-carrying compensation connecting link. By adopting an abutted joint type connection method, two sections of bus duct conductors are connected in each phase by adopting a single bus duct joint conductor current-carrying compensation connecting link (1); the connecting link is provided with a front side and a back side, the front side is contacted with the bus duct conductors, a raised compensation section transition block (2) is arranged in the middle of the front side, and one or more insulation bolt connection holes (3) are arranged in the middle of the bus duct joint conductor current-carrying compensation connecting link (1). The raised compensation section transition block (2) is arranged on the single connecting link, and a ladder-shaped hole is arranged at a connection position of insulated bolts, so that the abutted limited space of the bus duct can be fully utilized, the maximum utilization of the compensation conductor can be ensured on the basis of saving materials, the requirement of the insulation bolt connection hole of the bus duct joint on an electrical clearance and a creepage distance can also be met, the bus duct joint has the characteristics of being low in temperature rise and reliable in property, which can not be reached in the similar prior art.
Description
technical field [0001] The invention relates to a current-carrying compensation connecting piece for a transitional connection conductor of a bus duct joint, and belongs to the technical field of low-voltage power transmission and distribution bus ducts. Background technique [0002] There are two methods for connecting the conductors of the existing bus duct joints, 1. plug-in type; 2. butt-joint type. [0003] The plug-in type is to use the conductor of the conductive bar of the bus duct body for plugging. Because the insulating bolt needs to occupy the conductive cross-sectional space and the requirements of the electrical clearance and creepage distance, the conductive cross-section of the conductive bar joint cannot be used like the busbar conductive bar. (Application No. 200910026471.9). This method has the following disadvantages. First, the conductive contact surface of the small-capacity bus duct is not enough, which causes the bus joint to heat up and rise in temp...
Claims
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IPC IPC(8): H01R11/00H01R11/01
Inventor 马纪财马松涛
Owner JIANGSU ONEQ ELECTRICAL APPLIANCE GRP