Spring operating mechanism
A technology of operating mechanism and return spring, applied in the direction of high-voltage air circuit breakers, electrical components, electric switches, etc., can solve the problems of inconvenient replacement, easily damaged closing coil, large size, etc., to achieve easy replacement and maintenance, structural Reasonable layout and miniaturization effect
Inactive Publication Date: 2008-12-17
施耐德(陕西)宝光电器有限公司
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Problems solved by technology
Taking the currently widely used products as an example, the mechanism mounting plate adopts a welded structure, and the maintenance and replacement of components is complicated and time-consuming
For example, the closing coil is easily damaged during use, and it is inconvenient to replace it
Secondly, the existing mechanism structure is relatively complex and the size is large. With the development of insulating materials and the market demand for miniaturization, it is difficult for VS1 to be directly applied to smaller size requirements.
Take 12kV as an example, the opening distance range of 10-12mm is too large. With the continuous development of vacuum interrupter technology, major manufacturers of interrupter at home and abroad can control it at 6-10mm, which limits the reliability of vacuum circuit breakers. and mechanical life
In the opening buffer treatment, it uses almost the whole process of buffering. If the quality of the oil cup changes during the use process, it may cause serious consequences for the opening
Method used
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[0015] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.
[0016] figure 2 It is a structural front view of an embodiment of the spring operating mechanism according to the present invention. Such as figure 2 As shown, the spring operating mechanism includes a left plate 17 of the mechanism, a right plate 20 of the mechanism and an intermediate partition 27 of the mechanism, and the intermediate partition 27 of the mechanism is fixed between the left plate 17 of the mechanism and the right plate 20 of the mechanism. The mechanism frame is divided into four areas by the mechanism left plate 17, the mechanism right plate 20 and the mechanism middle partition plate 27. From left to right, they are: energy storage part, closing part, opening part and secondary lead part. This mechanism is bolted with mechanism frame by mechanism left plate 17 and mechanism...
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The invention discloses a spring operating mechanism, which comprises a mechanism left board (17), a mechanism right board (20) and a mechanism intermediate partitioning board (27). The mechanism intermediate partitioning board (27) is fixed between the mechanism left board (17) and the mechanism right board (20), and the mechanism is connected with the mechanism frame via the mechanism left board (17) and the mechanism right board (20) by using bolts. The spring operating mechanism provided in the invention is connected with the mechanism frame via the mechanism left board and the mechanism right board by using bolts, so that most components of the mechanism can be dismounted from the frame as one module, thereby resulting in easier replacement and repair of components and convenient maintenance of the spring operating mechanism.
Description
technical field [0001] The invention relates to vacuum circuit breaker technology, in particular to a spring operating mechanism. Background technique [0002] At present, the main circuit breakers in the domestic market have been designed for 10 years from the original design. With the continuous improvement of the design process quality and equipment technology level of the vacuum interrupter, the mechanism has obviously lagged behind. [0003] figure 1 It is a diagram of a spring operating mechanism of the prior art. Taking the currently widely used products as examples, the mechanism mounting plate adopts a welded structure, and the maintenance and replacement of components is complicated and time-consuming. For example, the closing coil is easily damaged during use, and it is inconvenient to replace it. Secondly, the existing mechanism structure is relatively complex and the size is large. With the development of insulating materials and the market demand for miniat...
Claims
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IPC IPC(8): H01H33/666
Inventor 王科
Owner 施耐德(陕西)宝光电器有限公司