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Hybrid solid-state multiline optical scanning and distance measuring device

An optical scanning and distance measuring device technology, applied in the field of optical distance measurement, can solve the problem that image plane rotation can only be tested with a single line, and achieve the effect of correcting image rotation

Inactive Publication Date: 2016-10-12
BENEWAKE BEIJING TECH CO LTD
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  • Application Information

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Problems solved by technology

[0007] In order to overcome the difficulties of image plane rotation and single-line testing of existing optical scanning ranging devices, this application provides a multi-line optical scanning device, which can not only replace the 360-degree rotating test using a slip ring structure, but also extend the The entire product life, and use the method of adding Dove prism to solve the problem of image plane rotation and upgrade to multi-line ranging radar

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  • Hybrid solid-state multiline optical scanning and distance measuring device
  • Hybrid solid-state multiline optical scanning and distance measuring device

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Embodiment Construction

[0021] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.

[0022] In order to enable those skilled in the art to better understand the solutions of the application, the technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work should fall within the protection scope of this application.

[0023] It should be noted that the terms "first" and "second" in the description and cla...

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Abstract

The invention discloses a hybrid solid-state multiline optical scanning and distance measuring device. The characteristics lie in that the device comprises an emission light source, a reflecting mirror, a Dove prism, a light receiving module and a signal processing unit, wherein the emission light source is used for emit infrared detection light; the reflecting mirror reflects the infrared detection light emitted by the emission light source and reflects infrared detection light reflected by a detected object or barrier; the Dove prism is located between the reflecting mirror and the light receiving module, and the angular velocity of rotation of the Dove prism is half of the angular velocity of rotation of the reflecting mirror; the light receiving module receives the infrared detection light emitted by the Dove prism, and a photoelectric sensor in the light receiving module converts optical signals into electric signals; and the signal processing unit is connected with the photoelectric sensor, and calculates the distance according to the electric signals converted by the photoelectric sensor. According to the invention, the Dove prism structure is additionally arranged so as to correct a problem of image rotation brought about by rotation, thereby realizing multiline distance measuring.

Description

Technical field [0001] The present application relates to the field of optical distance measurement, in particular to an optical scanning distance measurement device. Background technique [0002] An optical scanning distance measuring device is a device that uses a collimated beam to measure distance through methods such as Time of Flight (TOF). At present, the usual optical scanning distance measuring device includes: a light emitting module, an optical lens, a chip that receives and processes signals, a motor, and a slip ring. The light emitting module emits a light beam, and the collimated light beam is emitted to the surface of the measured object and reflected on the receiving chip. By measuring the time between emission and receiving, the distance between the measured object and the device can be obtained by knowing the speed of light. A 360-degree environmental distance signal can be obtained through the rotation of the motor, which is currently widely used in robot envi...

Claims

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Application Information

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IPC IPC(8): G01S17/08G01S7/481
CPCG01S17/08G01S7/481
Inventor 张庆舜李远郑凯
Owner BENEWAKE BEIJING TECH CO LTD
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