Electromagnetic Balance Accelerometer
An acceleration sensor, balanced technology, applied in the direction of acceleration measurement using inertial force, etc., can solve the problems of poor impact resistance of flexible pendulum acceleration sensor, support body is easily affected by resistance, etc., to achieve no inter-axis interference, anti The effect of high impact performance and high zero position stability
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[0017] Below in conjunction with accompanying drawing, the work of the present invention is described in detail.
[0018] Such as figure 1 Shown is the top view of the electromagnetic balance acceleration sensor of the present invention. The electromagnetic balance acceleration sensor includes: a torquer stator (12) composed of permanent magnet groups (121, 122), a coil slot (111), a mover coil (112), a wiring board (113), a foil wire (114) and a displacement metal The torquer mover (11) composed of sheet (21), the torquer stator (12) and the torquer mover (11) form the torquer system (10). A signal sensing system (20) composed of a displacement metal sheet (21), a sensing coil (22) and a sinusoidal excitation signal generating circuit (23), a servo amplification system (30), and an external support structure (40). The permanent magnet groups (121, 122) are directly fixed on the external support structure (40) through the magnet fixing frame, and a distance (51) as small as ...
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