Current transformer auxiliary installation equipment for metering device
A technology for current transformers and installation equipment, applied in the direction of measuring devices, measuring device casings, measuring electrical variables, etc., can solve problems such as affecting work efficiency, unable to achieve convenient and fast installation, etc. Effect
Active Publication Date: 2021-04-30
GUIZHOU POWER GRID CO LTD
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide an auxiliary installation equipment for current transformers on metering devices, so as to solve the problem that the current transformers cannot be installed conveniently and quickly in the mechanism box and affect work efficiency. question
Method used
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Embodiment
[0022] refer to figure 1 , the present embodiment provides a current transformer auxiliary installation equipment used on metering devices; it includes a rectangular main box 1 with a hollow interior and an open structure on the front side; three groups of The above guiding through hole 1A, and a guide rail 2 is installed on the inner bottom surface of the main box body 1; the auxiliary positioning block 3 is movably installed on the guide rail 2; the current transformer 4 is detachably installed on the auxiliary positioning block 3; The primary wire row 5 passes through the inner ring of the iron core on the current transformer 4 and is arranged opposite to the guide through hole 1A, and the primary wire row 5 and the guide through hole 1A are connected by a connecting clamp 6 . The structure of the main box 1 used in this embodiment is a rectangular structure with different length and width.
[0023] The guide rail 2 is rotatably installed on the inner wall of the main box ...
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The invention discloses current transformer auxiliary installation equipment for a metering device, and belongs to the technical field of electric power operation and maintenance equipment. The interior of the equipment is hollow, and the front side is of an opening structure; more than three groups of guide through holes are formed in the opposite side walls of the main box body, and guide rails are further mounted on the inner bottom surface of the main box body; the auxiliary positioning block is movably mounted on the guide rail; the current transformer is detachably mounted on the auxiliary positioning block; the primary wire row penetrates through the inner ring of the upper iron core of the current transformer and is opposite to the guide through hole, and the primary wire row is connected with the guide through hole through a connecting clamping pipe; The problem that the current transformer cannot be conveniently and quickly installed in the mechanism box and the working efficiency is influenced when the current transformer is installed at present is effectively solved.
Description
technical field [0001] The invention relates to the technical field of electric power operation and maintenance equipment, in particular to an auxiliary current transformer installation equipment used on a metering device. Background technique [0002] In the power grid system, current transformers are often used as test pieces for power trade settlement meter boxes. Most of the conventional domestic electricity and industrial electricity use the three-phase four-wire wiring structure as the measurement standard; although the working principle of the current transformer Relatively simple, but the current transformers commonly used in China also have differences in structure and size due to different manufacturers and local implementation standards; on the other hand, current transformers cannot be directly installed in the external environment as power equipment, and need The structure of the conventional mechanism box is generally set by directly placing the load lead throu...
Claims
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IPC IPC(8): G01R1/04
CPCG01R1/04G01R1/0408
Inventor 岑远洪安静王刚王莉袁启惠罗洪江刘应华王昆伦刘祥文陈龙
Owner GUIZHOU POWER GRID CO LTD