Bus low residual voltage protection device for power transmission and transformation system
A protection device and low residual voltage technology, which is applied in the direction of emergency protection circuit devices, circuit devices, parts of emergency protection devices, etc., can solve the problem that the protection device cannot work normally, the impact of vibration and external force impact on the bottom of the cabinet, and the connection and contact of the line The problem of loose mouth and other problems can be achieved to improve the effect of lateral shock absorption, improve the effect of vertical shock absorption, and the effect of reliable line connection
Active Publication Date: 2020-06-16
安徽熠阳新能源科技有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to at least solve the problem that the cabinet body of the existing protection device is fixed on the ground. The line wiring in the cabinet body is easily affected by the vibration and external force impact at the bottom of the cabinet body, causing the line connection contact port to become loose, so that the protection device will not be able to operate. To solve the technical problems of normal operation, provide a low residual voltage protection device for busbars used in power transmission and transformation systems
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[0019] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all implementations example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0021] It should be noted that all directional indications (such as up-down-left-right-front-back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If th...
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The invention discloses a bus low residual voltage protection device for a power transmission and transformation system, and relates to the technical field of circuit protection devices. The device comprises a cabinet body and a mounting plate. The mounting plate is positioned below the cabinet body; the bottom of the cabinet body is fixedly connected with a first supporting plate and a second supporting plate; a guide rail is fixedly connected with the mounting plate; a first sliding block and a second sliding block which slide along the axis of the guide rail are slidably connected with theguide rail; a first baffle and a second baffle are fixedly connected with the mounting plate; the first baffle is located on the outer side of the first sliding block; a first spring is arranged between the first sliding block and the first baffle; a second spring is arranged between the second sliding block and the second baffle; third springs are arranged on the outer sides of the first baffle and the second baffle. According to the invention, vibration impact is buffered, so that the cabinet body is damped; reliable line connection in the cabinet body is kept; and the operation stability ofthe device is improved.
Description
Technical field: [0001] The invention relates to the technical field of protection devices for power transmission and transformation, in particular to a low residual voltage protection device for buses used in power transmission and transformation systems. Background technique: [0002] In power transmission and transformation systems, overvoltage phenomena are very common. With the rapid development of the power industry, the miniaturization of switchgear design, and the extensive application of power cables have put forward new requirements for insulation coordination and overvoltage protection. With the power supply system The expansion of the capacity and the use of a large number of vacuum circuit breakers make the frequency of overvoltage generation gradually increase. If there are no preventive measures, the impact of overvoltage may occur at any time and the insulation of the electrical equipment in the system will be clamped and aged, causing insulation shocks in the...
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IPC IPC(8): H02H1/00H05K5/02F16F15/02F16F15/04
CPCH02H1/00H05K5/0234F16F15/02F16F15/04
Inventor 谢鲲解磊解锐朱浩
Owner 安徽熠阳新能源科技有限公司
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