Tri-stable Electromagnetic Operating Mechanism with Bidirectional Damping Characteristic in Middle Position
A two-way damping and intermediate position technology, applied in the direction of electrical components, circuit devices, emergency power supply arrangement, etc., can solve the problems of complex structure and low reliability of ATSE, and achieve the effect of convenient control, high reliability and reduced impact
Inactive Publication Date: 2018-05-18
SHENYANG POLYTECHNIC UNIV
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Problems solved by technology
[0003] The purpose of the present invention is to solve the shortcomings of the existing ATSE such as complex structure and low reliability, and provide a tri-stable electromagnetic operating mechanism with bidirectional damping characteristics in the middle position, which does not need additional mechanical and electrical interlocking devices That is, the driving rod can be stabilized in the three positions of the main power supply, the backup power supply and the middle space, so as to realize the function of reliably switching the circuit from one power supply to another power supply, and also realize power-off maintenance
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[0022] The technical solutions provided by the present invention will be further described below in conjunction with the accompanying drawings.
[0023] Such as Figure 1 to Figure 6 As shown, the tri-stable electromagnetic operating mechanism with two-way damping characteristics in the middle position is mainly composed of a cylinder body 1, a cylinder head 2, a closing coil 3 on the main power side, a closing coil 4 on the main power side, and a closing coil on the backup power side. The brake coil 5, the backup power side closing and holding coil 6, the driving rod 7, the spring energy storage device 8, the spring fixing nut 9, the sealing device 10, the moving iron core 11, and the magnetic conducting ring 12 are composed. The driving rod 7 runs through the whole mechanism, the central position of the mechanism is provided with a moving iron core 11, the driving rod 7 and the moving iron core 11 are fixedly connected, and the surrounding of the moving iron core 11 is provi...
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A three-stable electromagnetic operating mechanism with two-way damping characteristics in the middle position, which consists of a main power closing coil, a backup power closing coil, a main power closing holding coil, a backup power closing holding coil, and an energy storage spring. The iron core, the moving iron core oil drain groove, the moving iron core oil blocking wall, the sealing device, the driving rod, the magnetic block, the magnetic block oil drain groove, the magnetic block oil blocking wall, the driving rod runs through the whole mechanism, and the moving iron core is arranged in the middle of the mechanism. , There is a fixed connection between the drive rod and the moving iron core. A magnetic ring with an oil drain groove and an oil blocking wall is arranged around the moving iron core. The cylinder is filled with transformer oil and sealed with a sealing device. The driving rod in the present invention can stabilize the driving rod in the three positions of the main power supply, the backup power supply and the intermediate space without adding additional mechanical and electrical interlocking devices, and realize the reliable conversion of the circuit from one power supply to another. It can also realize power-off maintenance, and has the characteristics of simple structure, high reliability and good controllability.
Description
technical field [0001] The invention mainly relates to an electromagnetic operating mechanism, in particular to a tri-stable electromagnetic operating mechanism with bidirectional damping characteristics in the middle position, and belongs to the technical field of electric power system power distribution equipment. Background technique [0002] At present, transfer switch appliances are used more and more in production and life. The existing ATSE is usually equipped with two sets of contacts and arc extinguishing devices, which are controlled by the motor operating mechanism and realize dual power supply through mechanical and electrical interlocking devices. Reliable conversion, the structure is more complicated and the reliability is lower. The three-stable electromagnetic operating mechanism with two-way damping characteristics in the middle position of the invention can simplify the structure of the ATSE, improve its reliability, and play an important role in promoting ...
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IPC IPC(8): H01H3/28H02J9/06
Inventor 蔡志远徐卜一马少华厉伟王俭徐胜徐晨荀默涵
Owner SHENYANG POLYTECHNIC UNIV