Three-phase terminal rapid connection structure and switch cabinet port withstand voltage test device
A fast connection and terminal technology, applied in the direction of measuring device, measuring device casing, testing dielectric strength, etc., can solve the problems of unable to adjust in time, difficult to retract the main wire of the reel, unobservable of the reel, etc.
Pending Publication Date: 2020-11-20
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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Problems solved by technology
[0003] The purpose of this application is to provide a three-phase terminal quick connection structure and a switch cabinet port withstand voltage test device, which is used to solve the problem that the inside of the existing three-phase wiring reel cannot be observed, and cannot be adjusted in time when the line is stuck. As a result, the main wire gets stuck tighter and tighter, and finally causes the technical problem that the reel is difficult to retract and release the main wire
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[0032] The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0033] In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a spec...
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The invention provides a three-phase terminal rapid connection structure and a switch cabinet port withstand voltage test device. The three-phase terminal rapid connection structure comprises a main line structure, a tobacco pipe connection structure and a winder. The main wire structure comprises a main wire and a connector, and the connector is arranged at one end of the main wire; the tobacco pipe connecting structure comprises three single-phase wires and a tobacco pipe body connected with one end of each single-phase wire. The tobacco pipe main body comprises an insulating cover and a conductive connecting plug, one end of the insulating cover is open, the conductive connecting plug is arranged in the insulating cover, and the conductive connecting plug is connected with a single-phase wire; the winder comprises a shell and a winding core, the winding core is rotationally arranged in the shell, a middle-section wire of the main wire is wound in the winding core, and the shell is made of a transparent material. The three-phase connecting wire winder solves the technical problems that the interior of an existing three-phase connecting wire winder cannot be observed, adjustment cannot be conducted in time when the wire clamping situation occurs, the main wire is clamped tighter and tighter, and finally the main wire is difficult to wind and unwind by the existing three-phaseconnecting wire winder.
Description
technical field [0001] The application relates to the technical field of testing and detection of power supply equipment, in particular to a three-phase terminal quick connection structure and a switchgear port withstand voltage testing device. Background technique [0002] In the switchgear test, one of them is that when the three-phase fracture of the switchgear and the insulation port are measured, it is necessary to short-circuit the three-phase of the switchgear terminal and connect the test transformer, and it is necessary to short-circuit the three-phase grounding of the non-test pressurized port. In the traditional technology, most of the testers use copper wires for short-circuiting when short-circuiting. The winding is very complicated. The three-phase cable used in this test generally needs to be wound up with a reel because the length of the main wire is too long. However, the inside of the reel cannot be observed, and it cannot be adjusted in time when the wire ...
Claims
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IPC IPC(8): G01R1/04G01R31/12
CPCG01R1/0416G01R31/1227
Inventor 夏铭聪朱嘉宁蔡鸿诚刘明昊梁斯伟郭芳凝孙亮阮启洋廖辰川
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD