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CN-224232097-U - Double-projection imaging device and lamp

CN224232097UCN 224232097 UCN224232097 UCN 224232097UCN-224232097-U

Abstract

The utility model discloses a double-projection imaging device and a lamp, wherein the double-projection imaging device comprises a first projection assembly, a second projection assembly and a driving assembly, the first projection assembly comprises a first light source, a first lens, a first pattern sheet and a second lens, the first pattern sheet and the second lens are sequentially arranged on a light emitting path of the first light source, the second projection assembly comprises a second light source, a light guide piece and a grating, light rays of the second light source penetrate through the light guide piece and irradiate on a projection imaging surface through the grating, the driving assembly comprises a driving piece and a transmission piece, and the driving piece drives the first pattern sheet and the light guide piece to rotate through the driving piece so that projection patterns formed on the projection imaging surface by the first projection assembly and the second projection assembly synchronously move. The double-projection imaging device can meet the diversified imaging requirements of users on the projection lamp, realize the dynamic change of projection patterns and further enrich the projection experience.

Inventors

  • ZHENG FENFEI

Assignees

  • 深圳市麦谷高科科技有限公司

Dates

Publication Date
20260512
Application Date
20250429

Claims (10)

  1. 1. A dual projection imaging apparatus, comprising: The first projection assembly comprises a first light source, a first lens, a first pattern sheet and a second lens, and the first lens, the first pattern sheet and the second lens are sequentially arranged on a light emitting path of the first light source; The second projection assembly comprises a second light source, a light guide piece and a grating, wherein the light guide piece is of a hollow structure, the light guide piece is arranged on a light emitting path of the second light source, the grating is far away from one side of the second light source, the grating is arranged on the end part of the light guide piece, and light rays of the second light source penetrate through the light guide piece and irradiate on a projection imaging surface through the grating; The driving assembly comprises a driving piece and a transmission piece, wherein the driving piece is connected to the transmission piece, and drives the first pattern sheet and the light guide piece to rotate through driving the transmission piece, so that the projection patterns formed by the first projection assembly and the second projection assembly on the projection imaging surface synchronously generate motion.
  2. 2. The double-projection imaging device according to claim 1, wherein the transmission member comprises a driving gear, a first driven gear and a second driven gear, the driving gear is in transmission connection with the first driven gear and the second driven gear at the same time, the driving gear is arranged at the output end of the driving member, the first driven gear is fixedly connected with the first pattern sheet through a connecting shaft, and the second driven gear is sleeved on the periphery of the light guide member.
  3. 3. The dual projection imaging apparatus of claim 2, wherein the transmission further comprises an intermediate transmission gear, the drive gear being drivingly connected to the first driven gear and the second driven gear through the intermediate transmission gear.
  4. 4. The dual projection imaging apparatus of claim 3, wherein the first projection assembly further comprises a second pattern sheet disposed between the first lens and the first pattern sheet along an exit path of the first light source, a portion of the first pattern sheet blocking a portion or all of the second pattern sheet on the exit path of the first light source.
  5. 5. The dual projection imaging apparatus of claim 3, wherein the number of teeth of the first driven gear is smaller than the number of teeth of the second driven gear, and the number of teeth of the driving gear is smaller than the number of teeth of the intermediate transmission gear.
  6. 6. The dual projection imaging apparatus of claim 5, wherein the first driven gear and the second driven gear have a gear ratio of 4:7, the first driven gear and the driving gear have a gear ratio of 1:1, and the intermediate transmission gear and the second driven gear have a gear ratio of 1:1.
  7. 7. The dual projection imaging apparatus of claim 1, wherein the first lens and the second lens are convex lenses, the first light source is an LED light source provided on a circuit board, the second light source is a laser generating device, and a heat sink is provided on a peripheral side of the second light source.
  8. 8. The utility model provides a lamp, its characterized in that includes casing, mounting bracket, apron and the double projection image device of any one of claims 1-7, double projection image device install in on the mounting bracket, the casing cover is located the periphery of mounting bracket, be provided with the light trap that supplies the projection pattern of second projection subassembly to shine on the projection imaging plane on the mounting bracket, the apron set up in on the mounting bracket, just the apron is printing opacity or semi-transparent material, first lens protrusion the mounting bracket with the terminal surface setting of apron.
  9. 9. The lamp as claimed in claim 8, wherein the mounting frame includes an upper mounting frame, the upper mounting frame is disposed on a step surface of the end portion of the housing, a mounting ring is mounted at a lower end of the upper mounting frame, a lower end edge of the first lens is located in a space defined by the upper mounting frame and the mounting ring, an upper end of the first lens protrudes out of an end surface of the upper mounting frame, a supporting seat is disposed on an end portion of the light guide member for mounting the grating, and an upper end of the supporting seat extends into the light hole.
  10. 10. The lamp of claim 9, wherein the mounting frame further comprises a lower mounting frame, the lower mounting frame is sleeved in the housing, a mounting platform is arranged in the lower mounting frame, the first light source is arranged below the mounting platform through a circuit board, the first lens is positioned between the mounting platform and the circuit board, the first pattern sheet is rotatably arranged above the mounting platform through a connecting shaft, the driving member is arranged below the mounting platform, the output end of the driving member passes through the mounting platform and is connected with a transmission member below the first pattern sheet, the second light source is arranged below the mounting platform, and the light guide member is rotatably arranged on the mounting platform.

Description

Double-projection imaging device and lamp Technical Field The utility model relates to the technical field of projection devices, in particular to a double-projection imaging device and a lamp. Background Along with the improvement of the living standard of people, the building requirements on indoor atmosphere are continuously changed, and the effect which can be achieved by the traditional mode of building the atmosphere by placing some objects indoors, pasting, painting atmosphere wallpaper and the like cannot meet the requirements of users. With the popularization of projection lamps, users begin to use the projection lamps as a way for creating indoor atmosphere, and meanwhile, the projection lamps have illumination effects while creating indoor atmosphere sense, so the projection lamps are popular with users. The images projected by the existing projection lamps are single, generally one projection and the like correspond to one image, for scenes with more imaging elements, the single imaging projection lamp cannot meet the requirement for diversified imaging, if a plurality of projection lamps are selected for self matching, on one hand, the positions of the projection lamps are required to be placed and matched, so that the use is inconvenient, on the other hand, the placing space is occupied, and the purchase cost of users is increased. There is thus a need for improvements and improvements in the art. Disclosure of utility model In view of the above-mentioned shortcomings of the prior art, an object of the present utility model is to provide a dual-projection imaging device and a lamp, which aim to solve at least one problem of poor use effect of a projection lamp in the background art. In order to achieve the above purpose, the utility model adopts the following technical scheme: a dual projection imaging apparatus comprising: The first projection assembly comprises a first light source, a first lens, a first pattern sheet and a second lens, and the first lens, the first pattern sheet and the second lens are sequentially arranged on a light emitting path of the first light source; The second projection assembly comprises a second light source, a light guide piece and a grating, wherein the light guide piece is of a hollow structure, the light guide piece is arranged on a light emitting path of the second light source, the grating is far away from one side of the second light source, the grating is arranged on the end part of the light guide piece, and light rays of the second light source penetrate through the light guide piece and irradiate on a projection imaging surface through the grating; The driving assembly comprises a driving piece and a transmission piece, wherein the driving piece is connected to the transmission piece, and drives the first pattern sheet and the light guide piece to rotate through driving the transmission piece, so that the projection patterns formed by the first projection assembly and the second projection assembly on the projection imaging surface synchronously generate motion. The driving gear is arranged at the output end of the driving piece, the first driven gear is fixedly connected with the first pattern sheet through a connecting shaft, and the second driven gear is sleeved on the periphery of the light guide piece. The transmission assembly further comprises an intermediate transmission gear, and the driving gear is in transmission connection with the first driven gear and the second driven gear through the intermediate transmission gear. The first projection assembly further comprises a second pattern sheet, the second pattern sheet is arranged between the first lens and the first pattern sheet along the light emergent path of the first light source, and a part of the first pattern sheet blocks a part or all of the second pattern sheet on the light emergent path of the first light source. The number of teeth of the first driven gear is smaller than that of the second driven gear, and the number of teeth of the driving gear is smaller than that of the intermediate transmission gear. The gear ratio of the first driven gear to the second driven gear is 4:7, the gear ratio of the first driven gear to the driving gear is 1:1, and the gear ratio of the intermediate transmission gear to the second driven gear is 1:1. The first lens and the second lens are convex lenses, the first light source is an LED light source arranged on the circuit board, the second light source is a laser generating device, and a heat dissipation piece is arranged on the periphery of the second light source. The utility model provides a lamp, includes casing, mounting bracket, apron and foretell double projection image device, double projection image device install in on the mounting bracket, the casing cover is located the periphery of mounting bracket, be provided with the light trap that supplies the projection pattern of second projection subassembly to shine on the projection imaging p