Voice coil motor and two-dimensional rapid mirror

A technology of voice coil motors and mirrors, applied in electrical components, electromechanical devices, installation, etc., can solve the problems of reducing the accuracy of fast mirrors and component deformation, and achieve low hysteresis loss, high output efficiency, and fast step response Effect

Active Publication Date: 2019-03-22
北京瑞控信科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing FSMs have reached the upper limit of fast step response without significant overheating due to rapidly changing magnetic flux densities
Excess heat requires additional mass and volume for thermal management and can distort components, reducing the accuracy of fast mirrors
Additionally, alternative motors such as stepper or brushless servo motors are too large for the application of the FSM and suffer from the same limitations described above

Method used

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  • Voice coil motor and two-dimensional rapid mirror
  • Voice coil motor and two-dimensional rapid mirror
  • Voice coil motor and two-dimensional rapid mirror

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Embodiment Construction

[0038] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0039] The first aspect of the present invention provides a voice coil motor 100, such as figure 1 As shown, it includes a coil assembly 119 and a magnet assembly 118; the coil assembly 119 includes a coil assembly base 116 and a coil slot plate 111 fixedly connected to the coil assembly base 116, and at least one coil 114 is fixedly inserted into the coil slot plate 111 The magnet assembly 118 includes a magnet assembly...

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Abstract

The invention discloses a voice coil motor and a two-dimensional rapid reflector. The voice coil motor comprises a coil assembly and a magnet assembly; the coil assembly comprises a coil assembly baseand a coil insertion slot plate fixedly connected onto the coil assembly base, and at least one coil is fixedly inserted in the coil insertion slot plate; the magnet assembly comprises a magnet assembly pedestal and a clamp fixedly connected to the magnet assembly pedestal, and at least one magnet is mounted on the clamp; the coil assembly and the magnet assembly are arranged opposite to each other, such that the magnet and the coils are arranged at intervals. The voice coil motor has large output and high output efficiency, and has low magnetic hysteresis loss and fast step response at highfrequency; the modular design of the voice coil motor enables fast application matching, and increases or decreases the number of coils and / or magnets as needed; and by applying the voice coil motor to the fast reflector, a large rotating angle range and a high operating bandwidth can be obtained without heating the reflector.

Description

technical field [0001] The invention relates to the technical field of photoelectric scanning and tracking, in particular to a voice coil motor and a two-dimensional fast mirror. Background technique [0002] Fast Mirror (FSM) is a component that works between the light source or receiver and the target to adjust and stabilize the boresight of the optical system or the beam pointing. By using a voice coil motor to precisely control the deflection direction of the mirror, the beam deflection can be precisely controlled Angle, used to realize the rapid adjustment of the "deflection-tilt" azimuth angle of the mirror, FSM has become a key part in different applications, such as industrial instrumentation, astronomy, laser communication, imaging system, experimental optical bench strip And independent research and development projects for key components. Voice coil motors are usually used as drive motors for FSMs. The traditional voice coil motor is composed of a stator assembl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K33/18G02B7/182G02B26/08G02B7/198
CPCH02K33/18G02B7/1821G02B26/0816
Inventor 肖立亮孔凡辉
Owner 北京瑞控信科技股份有限公司
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