Four-coil deblocking bistable state permanent magnet mechanism
A permanent magnet mechanism and bistable technology, applied in the direction of the power device inside the switch, can solve the problems of large starting current, short service life, and affecting the normal use of the permanent magnet mechanism, and achieve small starting current, long service life, The effect of simple structure
Inactive Publication Date: 2010-12-08
WUXI KAIXUAN MOTOR
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Problems solved by technology
At present, the commonly used permanent magnet mechanism has a large starting current and short service life, which affects the normal use of the permanent magnet mechanism
Method used
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[0009] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0010] The present invention includes a lower end cover 1, an opening and unlocking coil 2, a closing electromagnetic coil 3, a casing 4, an opening electromagnetic coil 5, an closing and unlocking coil 6, an upper end cover 7, a magnetic gathering ring 8, a permanent magnet 9, and a moving iron Core 10 , first insulating layer 11 and second insulating layer 12 .
[0011] Such as figure 1 As shown: the two ends of the casing 4 are respectively provided with an upper end cover 7 and a lower end cover 1 which are fixedly connected, and an installation cavity is formed between the lower end cover 1 , the upper end cover 7 and the casing 4 . The casing 4 is provided with an opening electromagnetic coil 5 and a closing and unlocking coil 6 corresponding to one end adjacent to the upper end cover 7, and the closing and unlocking coil 6 is in contact with the upper e...
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The invention relates to a four-coil deblocking bistable state permanent magnet mechanism. The mechanism comprises a machine shell, wherein a lower end cover and an upper end cover are respectively arranged at both ends of the machine shell; a tripping solenoid coil is arranged at one end in the machine shell, which corresponds to the adjacent upper end cover; a switching-in solenoid coil is arranged at one end in the machine shell, which corresponds to the adjacent lower end cover; a plurality of permanent magnets are arranged between the switching-in solenoid coil and the tripping solenoid coil; a movable iron core is arranged in the machine shell; one end of the movable iron core extends into the tripping solenoid coil, the permanent magnets and the switching-in solenoid coil respectively, while the other end passes through the upper end cover; the movable iron core can move relative to the machine shell; a switching-in deblocking coil is arranged between the tripping solenoid coil and the upper end cover and is separated from the tripping solenoid coil through a second insulating layer; and a tripping deblocking coil is arranged between the switching-in solenoid coil and the lower end cover and is separated from the switching-in solenoid coil through a first insulating layer. The four-coil deblocking bistable state permanent magnet mechanism has the advantages of simple structure, a few elements, long service life, safety and reliability.
Description
technical field [0001] The invention relates to a permanent magnet mechanism, in particular to a four-coil unlocking bistable permanent magnet mechanism, which belongs to the technical field of permanent magnet mechanisms. Background technique [0002] As a driving element of a vacuum switch, the permanent magnet mechanism has the characteristics of simple structure, few components, and long life. , the suction force is strong, but the stroke is short, the starting current is very large, which basically exceeds the reasonable range of values, and also puts forward high requirements for the supporting electronic components. At present, the commonly used permanent magnet mechanism has a large starting current and a short service life, which affects the normal use of the permanent magnet mechanism. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a four-coil unlocked bistable permanent magnet...
Claims
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IPC IPC(8): H01H3/28
Inventor 吴传渠
Owner WUXI KAIXUAN MOTOR