A multi-threshold acceleration switch
An acceleration switch, multi-threshold technology, applied in electrical switches, electrical components, circuits, etc., can solve the problems of low impact resistance, complex structure, and few acceleration switch threshold series, and achieve reduced collision contact force and small displacement response. , the effect of reducing the risk of reverse shock failure
Active Publication Date: 2020-11-06
NANJING UNIV OF SCI & TECH
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Problems solved by technology
[0005] The technical problem solved by the present invention is to provide a method to solve the problems of the existing acceleration switch threshold series, complex structure and low impact resistance
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[0023] In order to illustrate the technical scheme and technical purpose of the present invention, the present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.
[0024] combine Figure 1-3 , a multi-threshold acceleration switch of the present invention includes an insulating substrate 5, a structural frame 4, a mass block 9, a first S-shaped spring 10, a second S-shaped spring 6, an electrode array 11, a positive connection bar 12, a positive lead Pin 13, connecting column 14, negative pole pin 2, negative pole connecting strip 3;
[0025] The structural frame 4 is fixedly connected on the insulating substrate 5; the middle of the structural frame 4 is symmetrically provided with connecting columns 14, and the upper end of the mass block 9 is symmetrically provided with first S-shaped springs 10 on both sides; the first S One end of the shape spring 10 links to each other with the mass block 9, and the other e...
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The invention discloses a multi-threshold acceleration switch. The multi-threshold acceleration switch includes an insulation substrate, a structural frame, a mass block, a first S-shaped spring, a second S-shaped spring, electrode arrays, a positive connection strip, a positive pin, a connection column, a negative pin and a negative connection strip, wherein the structural frame is fixedly connected with the insulation substrate, the structural frame is symmetrically provided with the connection column in the middle, the first S-shaped spring is symmetrically disposed between an upper end ofthe mass block and the connection column, the second S-shaped spring is symmetrically disposed between a lower end of the mass block and the structural frame, the mass block is suspended above the insulation substrate through the first S-shaped spring and the second S-shaped spring, a wiring column is arranged in the middle of the mass block, wiring contacts are symmetrically arranged at both endsof the wiring column, the electrode arrays are arranged on both sides of an upper end of the wiring column, the electrode arrays on both sides are connected with the positive pin through the positiveconnection strip, the negative pin is connected with the structural frame through the negative connection strip, and the positive pin, the positive connection strip, the negative pin and the negativeconnection strip are all fixed on the insulation substrate. The multi-threshold acceleration switch is advantaged in that threshold conduction can be realized.
Description
technical field [0001] The invention belongs to the field of micro-electromechanical systems, in particular to a multi-threshold acceleration switch. Background technique [0002] With the rapid development of MEMS (Micro-Electro-Mechanical Systems, Micro-Electro-Mechanical Systems) technology, the acceleration switch based on MEMS technology has the advantages of small size, easy integration and mass production, and is widely used in industries, automobiles, aerospace and military, etc. Many fields have huge application requirements. [0003] The acceleration threshold is an important performance parameter of the switch. When the input acceleration meets the design threshold, the electrodes of the switch contact each other to form an electrical path. Through the study of the acceleration threshold of the switch, many switches with new functions have been developed. For example, there are multi-threshold switches and adjustable threshold switches. However, the current adj...
Claims
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IPC IPC(8): H01H35/14
CPCH01H35/14H01H35/141H01H35/142
Inventor 聂伟荣郑灿谢磊步超
Owner NANJING UNIV OF SCI & TECH