Dispersion lens, laser emission module, acquisition module and three-dimensional scanner

By designing a dispersion lens that combines multiple lenses, the problem of limited field depth of field of the existing three-dimensional scanner is solved, and the different depth of field and wide scanning range of the three-dimensional scanner are achieved.

CN222689970UActive Publication Date: 2025-03-28ORBBEC (SHUNDE GUANGDONG) TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421322233.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-28
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The depth of field of existing three-dimensional scanners is limited, and cannot achieve a wide scanning range and cannot be compatible with object scanning at close or long distances.

Method used

A dispersion lens is designed, by combining multiple lenses, the beams of different wavelengths are focused at different distances, and applied to the laser emission module and the acquisition module to realize scanning of different depths of field.

Benefits of technology

Through the design of dispersion lenses, the three-dimensional scanner can achieve different depths of field and expand the scanning range, solving the problem of limited depth of field of traditional three-dimensional scanners.

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Abstract

The utility model relates to the technical field of optical lenses, and provides a dispersion lens, a laser emission module, an acquisition module and a three-dimensional scanner, and the dispersion lens comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged; the first lens has negative power, the second lens and the third lens have positive power, the fourth lens and the fifth lens are integrated to form a double-lens group, and the double-lens group has positive power. According to the dispersion lens provided by the invention, the three-dimensional scanner has different ranges of depth of field, so that a relatively wide scanning range is realized.
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