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CN-224215175-U - Optical module capable of forming five-blessing character

CN224215175UCN 224215175 UCN224215175 UCN 224215175UCN-224215175-U

Abstract

The utility model discloses an optical module capable of forming a five-figure character, which comprises a laser emitter, a diffraction optical element, an element mounting seat, a lamp decoration shell and a calibration rod, wherein the diffraction optical element is fixedly arranged in the element mounting seat, the laser emitter is arranged in the lamp decoration shell, the calibration rod is uniformly arranged at the outlet of the lamp decoration shell, the extending direction of the calibration rod is horizontally outwards, the laser of the laser emitter is adjusted to be parallel to the extending line of the calibration rod, and an O-shaped ring is arranged on the element mounting seat.

Inventors

  • DENG WU
  • Gao Haoshen

Assignees

  • 江西衍光科技有限公司

Dates

Publication Date
20260508
Application Date
20250513

Claims (5)

  1. 1. An optical module capable of forming a five-figure-of-a-blessing comprises a laser emitter and a diffraction optical element, wherein the diffraction optical element is of a double-sided structure, one surface of the structural surface is processed into a grating phase structure of an illuminated imaging one-dimensional five-point spectroscopic light field, the other surface of the structural surface is processed into a grating phase structure of an illuminated imaging five-point spectroscopic light field, the structural surface is of a relief type microcosmic appearance, the diffraction optical element is fixed in front of the laser emitter, and light emitted by a light source passes through the diffraction optical element and forms a complete five-blessing-gate figure diffraction light field in front of the diffraction optical element; The optical module further comprises an element mounting seat, a lamp decoration shell and a calibration rod, wherein the diffraction optical element is fixedly arranged in the element mounting seat, the laser transmitters are arranged in the lamp decoration shell, the calibration rod is provided with a plurality of calibration rods which are uniformly arranged at the outlet of the lamp decoration shell, the extending direction of the calibration rod is horizontally outwards, and the laser of the laser transmitters is adjusted to be parallel to the extending line of the calibration rod, and the element mounting seat is provided with O-shaped rings.
  2. 2. The optical module capable of forming a five-figure character according to claim 1, wherein the calibration rod is a triangular prism made of aluminum alloy, one side surface of the calibration rod is installed in an installation groove at an outlet of the lamp decoration shell when the optical module is installed, a ridge line corresponding to the side surface is a datum line, and laser emitted by the laser emitter is parallel to the datum line.
  3. 3. The optical module capable of forming a five-figure structure according to claim 2, wherein the element mounting seat is provided with a through channel at the center for mounting the diffractive optical element, the front projection of the element mounting seat is in a convex shape, the upper part of the element mounting seat is accommodated at the outlet of the lamp decoration shell, and the upper part of the element mounting seat is provided with an adaptive calibration groove corresponding to the position of the calibration rod.
  4. 4. The optical module capable of forming a five-figure-of-a-blessing pattern as set forth in claim 3, wherein a first annular homogeneous mounting plate is fixedly arranged on an end face of the lamp decoration shell at the outlet, a second annular homogeneous mounting plate is fixedly arranged on a position, opposite to the first annular homogeneous mounting plate, of the lower part of the element mounting seat, the first annular homogeneous mounting plate and the second annular homogeneous mounting plate are made of aluminum alloy materials, the first annular homogeneous mounting plate and the second annular homogeneous mounting plate are in contact with each other, and the contact surface is subjected to finish machining.
  5. 5. The optical module for forming a five-figure structure according to claim 4, wherein the side of the lamp housing is provided with a screw hole, the upper part of the element mounting seat is provided with a screw hole corresponding to the screw hole, and the element mounting seat is arranged at the outlet of the lamp housing by using a screw.

Description

Optical module capable of forming five-blessing character Technical Field The utility model relates to the technical field of optical systems, in particular to an optical module capable of forming a five-figure character. Background The existing optical module is rarely applied to products of atmosphere lamps and welcome lamps, and the purposes of compact structure and clear pictures are achieved by the existing patent ZL201120290009.2, an automobile laser welcome lamp, ZL201320447442.1, an automobile laser welcome lamp and an automobile and CN 202122195021.1. The purpose of formation of image is accomplished to diffraction optical module cooperation laser emitter, and in current product, optical module does not provide interchangeable form, so that the product that now wants different effects can only repeat purchasing atmosphere lamp and the welcome lamp product of corresponding effect, and customer's result of use is relatively poor. An atmosphere lamp and a welcome lamp product for forming a replaceable optical module mainly need to consider assembly precision and tightness, and the optical module with high assembly precision and good tightness is provided. Disclosure of utility model The utility model aims to provide an optical module capable of forming a five-figure character, which solves the problems of insufficient tightness and installation precision of the optical module of the existing atmosphere lamp and welcome lamp products after replacement. According to one aspect of the disclosure, the technical scheme is provided, the optical module capable of forming the five-figure comprises a laser emitter and a diffraction optical element, wherein the diffraction optical element is of a double-sided structure, one surface of a structural surface is processed into a grating phase structure for imaging a one-dimensional five-point spectroscopic light field after irradiation, the other surface is processed into a grating phase structure for imaging the five-point spectroscopic light field after irradiation, the structural surface is of a relief type microstructure, the diffraction optical element is fixed in front of the laser emitter, and light emitted by a light source passes through the diffraction optical element and forms a complete five-figure diffraction light field in front of the diffraction optical element; The optical module still includes component mount pad, lamp decoration casing, calibrating rod, the fixed setting of diffraction optical element in the component mount pad, laser emitter install in the lamp decoration casing, the calibrating rod be provided with a plurality ofly, evenly arrange in the exit of lamp decoration casing, the extending direction level of calibrating rod is outwards, the laser of adjustment laser emitter is on a parallel with the extension line of calibrating rod, the component mount pad on be provided with O type circle. Based on the scheme, the accuracy of the position of the installed diffraction optical element is guaranteed through the arranged calibration rod, the installation position of the laser transmitter is accurate after the product is produced, the calibration rod exists when the element installation seat and the diffraction optical element are replaced at the later stage, the accuracy in replacement is guaranteed, and the sealing performance is guaranteed through the arranged O-shaped ring. Furthermore, the calibrating rod is a triangular prism made of aluminum alloy, one side surface of the calibrating rod is installed in an installation groove at the outlet of the lamp decoration shell when in installation, the ridge line corresponding to the side surface is a datum line, and laser emitted by the laser emitter is parallel to the datum line. Based on the scheme, the accuracy is higher by using the ridge line of the calibration rod as the datum line. Further, the element mounting seat is provided with a penetrating channel for mounting the diffraction optical element in the center, the front projection shape of the element mounting seat is in a convex shape, the upper part of the element mounting seat is accommodated at the outlet of the lamp decoration shell, and the upper part of the element mounting seat is provided with an adaptive calibration groove corresponding to the position of the calibration rod. Based on the scheme, the precision is ensured while the installation is convenient through the adaptation of the calibration rod and the calibration groove. Further, the end face of the lamp decoration shell outlet is fixedly provided with a first annular homogeneous mounting disc, the lower part of the element mounting seat is fixedly provided with a second annular homogeneous mounting disc opposite to the first annular homogeneous mounting disc, the first annular homogeneous mounting disc and the second annular homogeneous mounting disc are made of aluminum alloy materials, and the first annular homogeneous mounting disc and the second annular h