CN220773410U - Automatic focusing camera module of projector - Google Patents
Automatic focusing camera module of projector Download PDFInfo
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- CN220773410U CN220773410U CN202322358083.9U CN202322358083U CN220773410U CN 220773410 U CN220773410 U CN 220773410U CN 202322358083 U CN202322358083 U CN 202322358083U CN 220773410 U CN220773410 U CN 220773410U
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- camera module
- lens
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- circuit board
- support
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- 238000009434 installation Methods 0.000 claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003384 imaging method Methods 0.000 abstract description 2
- 206010070834 Sensitisation Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic focusing camera module of a projector, which is characterized in that: including equipment support, multispectral camera module, TOF camera module, have first installation position and second installation position on the equipment support, the second installation position is located first installation position one side, and the second installation position compare the outstanding predetermined height of first installation position, first installation position bottom has the cavity and the top has the through-hole for install multispectral camera module, second installation position top surface has T style of calligraphy mounting groove, is used for the installation TOF camera module. The intelligent projector has the beneficial effects of small and exquisite structure, reasonable layout and convenient installation, is suitable for automatic focusing of the projector, adjusts projection pictures, and automatically adjusts imaging size and image brightness according to the brightness condition of the environment.
Description
Technical Field
The utility model relates to the field of camera modules, in particular to an automatic focusing camera module of a projector.
Background
With the increasing demands for projectors in life and work, the requirements for projector functions are increasingly increased, and projector automation and intellectualization are the necessary trend of future development. The projector commonly used in the market at present needs to adjust the image inclination according to the curtain position, adjust the image brightness according to the light and dark environment, manually rotate the lens of the projector, so that the projection focusing and other operations are complicated in debugging process and low in efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the projector automatic focusing camera module which has a simple structure, can be used for projector automatic focusing and improves the efficiency.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a projecting apparatus auto focus camera module which characterized in that: including equipment support, multispectral camera module, TOF camera module, have first installation position and second installation position on the equipment support, the second installation position is located first installation position one side, and the second installation position compare the outstanding predetermined height of first installation position, first installation position bottom has the cavity and the top has the through-hole for install multispectral camera module, second installation position top surface has T style of calligraphy mounting groove, is used for the installation TOF camera module.
Further, the multispectral camera module includes first camera lens, first lens holder, first circuit board, multispectral sensitization chip, first camera lens is installed on the first lens holder, multispectral sensitization chip connects on first circuit board, first lens holder hold in the cavity of first lens holder, just first camera lens is worn out from the through-hole, makes the top of first camera lens with TOF camera module top surface is located same high position, first circuit board connects the bottom surface of equipment support.
Further, the TOF camera module comprises a receiving end and a transmitting end which are arranged in parallel, wherein the receiving end comprises a second lens, a second lens support, an optical filter, a photosensitive chip and a second circuit board, the second lens is arranged on the second lens support, the optical filter is arranged on the second lens support and is positioned right below the second lens, the photosensitive chip is connected on the second circuit board, and the second lens support is connected on the second circuit board in a pasting way and is covered above the photosensitive chip; the emitting end comprises a VCSEL laser and a heat dissipation support, the VCSEL laser is mounted on the heat dissipation support, the heat dissipation support is connected to the second circuit board in a pasting mode, and the VCSEL laser is electrically connected with the second circuit board through a flexible circuit board.
Further, the multispectral camera module and the TOF camera module are both provided with a circuit board, and the end part of the circuit board is provided with a connector for connecting with a circuit main board of the projector.
The beneficial effects of the utility model include: on one hand, the structure is small and exquisite, the arrangement is reasonable, and the assembly is convenient; on the other hand the application to projector autofocus has the effect that,
1. the synchronous work of the module consisting of the multispectral camera and the TOF camera realizes scene recognition.
2. The multispectral camera module is used for grabbing environmental information, so that the projector can automatically adjust the imaging size and the image brightness according to the brightness of the environment.
And 3. The TOF module collects distance data, so that the projector can adjust the picture inclination and the image focusing according to the projection position.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an exploded view of the structure of the present utility model.
Detailed Description
The utility model will be described in further detail with reference to specific embodiments and drawings.
1-2, a projector auto-focusing camera module comprises an assembly bracket 1, a multispectral camera module 2 and a TOF camera module 3, wherein the assembly bracket 1 is provided with a first installation position 11 and a second installation position 12, the second installation position 12 is positioned on one side of the first installation position 11, and the second installation position 12 protrudes by a preset height compared with the first installation position 11. The bottom of the first installation position 11 is provided with a concave cavity, the top of the first installation position is provided with a through hole for installing the multispectral camera module 2, the top of the second installation position 12 is provided with a T-shaped installation groove for installing the TOF camera module 3, the lens surfaces of the multispectral camera module 2 and the TOF camera module 3 are positioned on the same plane after the installation, the top of the transmitting end of the TOF module is also positioned on the plane, and the axial parallelism of the two module lenses is required to be ensured to be less than 0.2.
Further, the multispectral camera module 2 includes a first lens 4, a first lens holder 5, a first circuit board 6, a multispectral photosensitive chip 7, the first lens 4 is mounted on the first lens holder 5, the multispectral photosensitive chip 7 is connected on the first circuit board 6, the first lens holder 5 is accommodated in a cavity of the first lens holder 5, and the first lens 4 penetrates out from the through hole, so that the top end of the first lens 4 and the top surface of the TOF camera module 3 are located at the same height position, and the first circuit board 6 is connected to the bottom surface of the assembly holder 1. A circuit board 8 is connected to one side of the first circuit board 6, and a connector 9 is provided at an outer end portion of the circuit board 8 for connecting to a circuit board of the projector.
Further, the TOF camera module 3 includes a receiving end and a transmitting end that are arranged in parallel, where the receiving end includes a second lens 31, a second lens holder 32, a light filter 33, a photosensitive chip 34, and a second circuit board 35, the second lens 31 is mounted on the second lens holder 32, the light filter 33 is mounted on the second lens holder 33 and is located right below the second lens 31, the photosensitive chip 34 is connected to the second circuit board 35, the second lens holder 32 is adhesively connected to the second circuit board 35, and is covered above the photosensitive chip 34; the emitting end includes a VCSEL laser (vertical cavity surface emitting laser) 36, a heat dissipation bracket 37, the VCSEL laser 36 is mounted on the heat dissipation bracket 37, the heat dissipation bracket 37 is attached to the second circuit board 35, and the VCSEL laser 36 is electrically connected to the second circuit board 35 through a flexible circuit board. The bottom surface of the second circuit board 35 is stuck in the T-shaped mounting groove. A circuit board 8 is provided on one side of the second circuit board 35, and a connector 9 is provided at an end of the circuit board 8 for connecting to a circuit board of the projector.
The principle of the utility model applied to the projector for realizing automatic focusing is that the multispectral module part in the camera module can perform qualitative and quantitative analysis on the spectrum information acquired by the shot object, and identify the environment color temperature, brightness and projection position. The TOF camera module is based on the principle that light pulses (940 nm band infrared light) are continuously emitted to an object to be detected, then light pulses reflected back from the object are detected, and the distance from a curtain to a projector is calculated by detecting the flight time of the light pulses. Therefore, the relative positions of the projector and the projection area are grabbed in the projection process, the angle adjustment, the automatic focusing of clear points and the adjustment of the output brightness intensity are carried out, and the projected image is more suitable for the visual observation effect of human eyes.
The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.
Claims (4)
1. The utility model provides a projecting apparatus auto focus camera module which characterized in that: including equipment support (1), multispectral camera module (2), TOF camera module (3), have first installation position (11) and second installation position (12) on the equipment support (1), second installation position (12) are located first installation position (11) one side, and second installation position (12) compare in first installation position (11) outstanding predetermined height, first installation position (11) bottom has the cavity and the top has the through-hole for install multispectral camera module (2), second installation position (12) top surface has T style of calligraphy mounting groove for install TOF camera module (3).
2. The projector autofocus camera module of claim 1, wherein: the multispectral camera module (2) comprises a first lens (4), a first lens support (5), a first circuit board (6) and a multispectral photosensitive chip (7), wherein the first lens (4) is installed on the first lens support (5), the multispectral photosensitive chip (7) is connected on the first circuit board (6), the first lens support (5) is accommodated in a concave cavity of the first lens support (5), and the first lens (4) penetrates out from a through hole, so that the top end of the first lens (4) and the top surface of the TOF camera module (3) are located at the same height position, and the first circuit board (6) is connected to the bottom surface of the assembly support (1).
3. The projector autofocus camera module of claim 1, wherein: the TOF camera module (3) comprises a receiving end and a transmitting end which are arranged in parallel, wherein the receiving end comprises a second lens (31), a second lens bracket (32), an optical filter (33), a photosensitive chip (34) and a second circuit board (35), the second lens (31) is arranged on the second lens bracket (32), the optical filter (33) is arranged on the second lens bracket (32) and is positioned right below the second lens (31), the photosensitive chip (34) is connected to the second circuit board (35), and the second lens bracket (32) is stuck and connected to the second circuit board (35) and is covered above the photosensitive chip (34); the emitting end comprises a VCSEL (36) and a heat dissipation support (37), the VCSEL (36) is mounted on the heat dissipation support (37), the heat dissipation support (37) is adhered and connected to the second circuit board (35), and the VCSEL (36) is electrically connected with the second circuit board (35) through a flexible circuit board.
4. The projector autofocus camera module of claim 1, wherein: multispectral camera module (2), TOF camera module (3) all are provided with circuit board (8), the tip of circuit board (8) is provided with connector (9) for connect the circuit motherboard of projecting apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322358083.9U CN220773410U (en) | 2023-08-30 | 2023-08-30 | Automatic focusing camera module of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322358083.9U CN220773410U (en) | 2023-08-30 | 2023-08-30 | Automatic focusing camera module of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220773410U true CN220773410U (en) | 2024-04-12 |
Family
ID=90611012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322358083.9U Active CN220773410U (en) | 2023-08-30 | 2023-08-30 | Automatic focusing camera module of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220773410U (en) |
-
2023
- 2023-08-30 CN CN202322358083.9U patent/CN220773410U/en active Active
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