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Security inspection equipment and scanning mirror driving device thereof

A driving device and scanning mirror technology, applied in optical components, optics, instruments, etc., can solve the problems of large acceleration, high structural strength requirements of the mirror, and inability to automatically reset.

Pending Publication Date: 2021-09-14
NUCTECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing scanning mirrors usually can only swing back and forth to realize one-dimensional (unidirectional) scanning; and the scanning mirror swings at uneven speed and has a large acceleration, so the requirements for the torque motor are strict; especially when the scanning mirror is running at a high speed When swinging, the requirements for the strength of the mirror structure are also high; in addition, when the scanning mirror stops working, it cannot automatically reset

Method used

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  • Security inspection equipment and scanning mirror driving device thereof
  • Security inspection equipment and scanning mirror driving device thereof
  • Security inspection equipment and scanning mirror driving device thereof

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Embodiment Construction

[0019] While the present invention will be fully described with reference to the accompanying drawings containing preferred embodiments of the invention, it should be understood before proceeding that those skilled in the art may modify the invention described herein while obtaining the technical effects of the present invention. Therefore, it should be understood that the above description is a broad disclosure for those skilled in the art, and its content is not intended to limit the described exemplary embodiments of the present invention.

[0020] In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings....

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Abstract

The invention discloses a security inspection equipment and a scanning mirror driving device thereof. The scanning mirror driving device comprises a base, a central column, a plurality of linear motion pairs and a scanning mirror, one end of the central column is connected with the middle of the base, and the other end of the central column is connected with the middle of the scanning mirror through a first universal joint; and one end of each linear motion pair is connected with the base, the other end of each linear motion pair is connected with the scanning mirror through a second universal joint, and the multiple linear motion pairs are arranged in the circumferential direction of the base at intervals so as to drive the scanning mirror to carry out two-dimensional motion. The scanning mirror driving device can realize rapid two-dimensional scanning so as to improve the security inspection speed and improve the resolution or reduce the number of imaging sensors, and the cost is reduced.

Description

technical field [0001] The present disclosure relates to the field of scanning detection equipment, in particular to a scanning mirror driving device, and security inspection equipment including the scanning mirror driving device. Background technique [0002] With the development of terahertz technology, the market demand for fast, uncoordinated, and long-distance human security inspection technology is gradually increasing, and terahertz imaging technology has gradually become a research hotspot for many research and development units. In order to improve the security inspection speed, increase the security inspection distance, and increase the imaging resolution, a fast and multi-directional swing scanning mirror is required. However, the existing scanning mirrors usually can only swing back and forth to realize one-dimensional (unidirectional) scanning; and the scanning mirror swings at uneven speed and has a large acceleration, so the requirements for the torque motor a...

Claims

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Application Information

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IPC IPC(8): G02B26/10
CPCG02B26/10
Inventor 赵自然马旭明奉华成易裕民黄士卫
Owner NUCTECH CO LTD
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