Fuse structure of high-reliability voltage transformer cabinet
A voltage transformer cabinet and fuse technology, applied in the field of power equipment, can solve the problems of equipment operation safety hazards, burning PT transformers, fuse clips and other problems, and achieve the effect of eliminating safety hazards, safe and reliable installation, and avoiding falling off.
Inactive Publication Date: 2017-09-12
天津三源电力智能科技有限公司
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Problems solved by technology
When the user uses the PT cabinet, the PT fuse is prone to fall off during transportation and construction. The reason is that the limit of the ordinary fuse clip is very small, and it is easy to cause damage during transportation and construction after the fuse is installed. The fuse falls off to cause partial discharge. If it is not found and solved in time, it will cause the short circuit of the equipment and burn the PT transformer, which will cause hidden dangers to the operation safety of the equipment.
Method used
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[0015] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be noted that the embodiments are illustrative, not restrictive, and cannot limit the protection scope of the present invention.
[0016] A fuse structure for a high-reliability voltage transformer cabinet, comprising a fuse main body 9 and clips, one clip is respectively installed on the upper end and the lower end of the fuse main body, and the two clips are lengthened limit clips, and each clip is It consists of an inner snap ring 1 and an outer snap ring 2, both of which are closed on three sides and open on one side, that is, an opening is formed at the front ends of the inner snap ring and the outer snap ring. The front ends of the two clamping arms of the inner snap ring are made into an arc conforming to the shape of the main body of the fuse, and the outer snap ring is installed on the outer side of the inner snap ring. An end face...
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The invention relates to a fuse structure of a high-reliability voltage transformer cabinet. The fuse structure comprises a fuse main body and clamps. The upper end and the lower end of the fuse main body are respectively provided with one clamp. Each of the clamps is constituted by an inner clamping ring and an outer clamping ring. The front ends of the two clamping arms of each of the inner clamping ring are respectively in the shape of an arc cooperated with the shape of the fuse main body, and the outer side of each of the inner clamping ring is provided with the corresponding outer clamping ring. The upper end surface of the clamp on the upper end of the fuse main body is provided with an end surface pressing plate, and the lower bottom surface of the clamp on the lower end of the fuse main body is provided with a bottom surface supporting plate. By using the fuse structure of the high-reliability voltage transformer cabinet, the firmness and the reliability of the installation of the fuse are improved, the shedding phenomenon of the fuse during a conveying process and a construction process is prevented, and therefore safety hidden troubles are eliminated, and safety and reliability of use of a PT cabinet are guaranteed.
Description
technical field [0001] The invention relates to the technical field of electric equipment, in particular to a fuse structure of a highly reliable voltage transformer cabinet. Background technique [0002] PT cabinet (potential transformer cabinet) is generally installed directly on the bus to detect the bus voltage and realize the protection function. The PT cabinet is mainly installed with voltage transformer PT, isolation knife, fuse and lightning arrester. When the user uses the PT cabinet, the PT fuse is prone to fall off during transportation and construction. The reason is that the limit of the ordinary fuse clip is very small, and it is easy to cause damage during transportation and construction after the fuse is installed. The fuse falls off to generate partial discharge. If it is not found and solved in time, it will cause the short circuit of the equipment and burn the PT transformer, which will cause hidden dangers to the operation safety of the equipment. Cont...
Claims
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CPCH02B1/18
Inventor 赵冠桥杨法尚武刘慧芳孟宪辰李春晖董泽寅李海龙司威陈烨周庆祝刘月婵杜艳洁李香刘彦东
Owner 天津三源电力智能科技有限公司