CN209086655U - Laser projection device - Google Patents
Laser projection device Download PDFInfo
- Publication number
- CN209086655U CN209086655U CN201821922686.XU CN201821922686U CN209086655U CN 209086655 U CN209086655 U CN 209086655U CN 201821922686 U CN201821922686 U CN 201821922686U CN 209086655 U CN209086655 U CN 209086655U
- Authority
- CN
- China
- Prior art keywords
- laser
- projection device
- cabinet
- laser projection
- exit window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
The utility model relates to a kind of laser projection device, including cabinet, grating eyeglass, laser and exit window, cabinet one end is equipped with corresponding laser installing port, and the grating eyeglass of the corresponding laser front end is equipped in the middle part of cabinet；Cabinet upper end is equipped with end cap, and exit window is equipped in the middle part of end cap, is equipped in front of the grating eyeglass by the refractor of laser refraction to exit window；Zero suppression baffle is equipped between refractor and grating eyeglass；Cabinet is set, laser and grating eyeglass are integrated in cabinet, exit window is refracted light by refractor, zero suppression baffle is set, laser zero point block by zero suppression baffle hiding, and zero level speck and stray light are blocked in inner wall on zero suppression baffle, to obtain perfect projection pattern in exit window.
Description
Technical field
The utility model relates to laser application fields, refer specifically to a kind of laser projection device.
Background technique
Diffraction optical element surface is machined with micro-structure, when the characteristic size of micro-structure and the wavelength of incident laser are close
When, diffraction optical element can be generated apparent diffraction effect to incident laser and be may be implemented using this effect to incident laser
Shaping, beam splitting, it might even be possible to by incident laser output be the arbitrary image needed, but due to design, machining accuracy and use
The limitation of environment will appear the higher bright spot of light intensity in the center of diffraction optical element output image；When in use,
General laser equipment should not be installed, and cannot arbitrarily place under several scenes again.
Utility model content
To solve the above-mentioned problems, a kind of laser equipment for being convenient for installing or using, the utility model design are provided
A kind of laser projection device.
The utility model the specific technical proposal is: a kind of laser projection device, including cabinet, grating eyeglass, laser
And exit window, cabinet one end are equipped with corresponding laser installing port, the grating of the corresponding laser front end are equipped in the middle part of cabinet
Eyeglass；Equipped with end cap, end cap middle part is equipped with exit window for cabinet upper end, is equipped in front of the grating eyeglass by laser refraction to out
Penetrate the refractor of window；Zero suppression baffle is equipped between refractor and grating eyeglass.
Preferably, zero suppression baffle stops zero order light.Cabinet corresponds to zero suppression baffle two sides and is equipped with sliding slot, described
Bottom of box Screw assembly has the adjusting bolt for being directed toward zero suppression baffle bottom.It adjusts bolt end and is equipped with defining flange, it is described to disappear
Zero span plate lower end is fixed with the hinged-support or revolute pair of corresponding assembly defining flange.The bottom of box is equipped with corresponding adjustment bolt
Blind hole.
Preferably, through flange base Screw assembly in installing port, the bottom of box is equipped with to be corresponded to laser
Installing port or the arc cushion block of laser two sides.Transparent cover plate is equipped with by dismountable mode in exit window.
Preferably, laser and its projection angle in grating eyeglass direction are 0 ° -10 °.
Preferably, the bottom of box is equipped with sucker.The grating eyeglass is DOE grating eyeglass.
Advantageous effects: setting cabinet, laser and grating eyeglass be integrated in cabinet, by refractor by light
It refracts to exit window, zero suppression baffle is set, block to laser zero point hiding, zero level speck and spuious by zero suppression baffle
Light is blocked in inner wall on zero suppression baffle, to obtain perfect projection pattern in exit window.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is one structure diagram of present apparatus embodiment；
Fig. 2 is the ray plot of present apparatus embodiment one；
Fig. 3 is two structure diagram of present apparatus embodiment；
Fig. 4 is the ray plot of present apparatus embodiment two.
Marginal data:
Cabinet 1
Laser 2
Grating eyeglass 3
Zero suppression baffle 4
Adjustment bolt 5
End cap 6
Cover plate 7
Refractor 8
Hinged-support or revolute pair 9
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
A kind of laser projection device, referring to Fig. 1: a kind of laser projection device, including cabinet 1, grating eyeglass 3, laser 2
And exit window, 1 one end of cabinet are equipped with corresponding 2 installing port of laser, corresponding 2 front end of laser are equipped in the middle part of cabinet 1
Grating eyeglass 3；1 upper end of cabinet is equipped with end cap 6, exit window is equipped in the middle part of end cap 6, being equipped in front of the grating eyeglass 3 will swash
Anaclasis to exit window refractor 8；Zero suppression baffle 4 is equipped between refractor 8 and grating eyeglass 3.
Zero suppression baffle 4 stops zero order light.Corresponding 4 two sides of zero suppression baffle of cabinet 1 are equipped with sliding slot, 1 bottom of cabinet
Portion's Screw assembly has the adjusting bolt for being directed toward 4 bottom of zero suppression baffle.It adjusts bolt end and is equipped with defining flange, the zero suppression baffle
4 lower ends are fixed with the hinged-support or revolute pair of corresponding assembly defining flange.Hinged-support or revolute pair do phase with defining flange
It is limited to rotation, while using defining flange, is realized using adjustment bolt rotation and offset driving upside down for zero span plate.1 bottom of cabinet
Portion is equipped with the blind hole of corresponding adjustment bolt 5.
Through flange base Screw assembly in installing port, 1 bottom of cabinet is equipped with corresponding installing port or swashs laser 2
The arc cushion block of 2 two sides of light device.Transparent cover plate 7 is equipped with by dismountable mode in exit window.
1 bottom of cabinet is equipped with sucker.The grating eyeglass 3 is DOE grating eyeglass 3.
Cabinet 1 is set, and laser 2 and grating eyeglass 3 are integrated in cabinet 1, are refracted light into out by refractor 8
Window is penetrated, zero suppression baffle 4 is set, block to laser zero point hiding, zero level speck and stray light quilt by zero suppression baffle 4
Gear inner wall on zero suppression baffle 4, to obtain perfect projection pattern in exit window.Sucker is set, the present apparatus can be inhaled
It is attached on any article, is easily installed use.
The refractor 8 is set to below exit window, with laser guide in 45 degree of inclinations, by laser guide exit window
Mouthful.The mounting groove of corresponding refractor 8 or grating eyeglass 3 is equipped with inside cabinet 1.
It is equipped with below zero suppression baffle 4 and adjusts bolt, offset zero span plate 4 in longitudinal position by adjusting bolt screw-in or screwing out
It sets and is adjusted, carry out the adjustment of zero suppression blocking position according to actual needs, guarantee that exit window exports optimal diffraction image.
Embodiment two:
Fig. 3 is referred to, the present embodiment is roughly the same with embodiment one, the difference is that:
Laser 2 and its projection angle in 3 direction of grating eyeglass are 0 ° -10 °, so that the center of pattern is in horizontal line
On.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of laser projection device, including cabinet, grating eyeglass, laser and exit window, it is characterised in that:
Described cabinet one end is equipped with corresponding laser installing port, and the grating of the corresponding laser front end is equipped in the middle part of the cabinet
Eyeglass；
Cabinet upper end is equipped with end cap, is equipped with exit window in the middle part of the end cap,
It is equipped in front of the grating eyeglass by the refractor of laser refraction to exit window；
Zero suppression baffle is equipped between the refractor and grating eyeglass.
2. laser projection device according to claim 1, it is characterised in that:
The zero suppression baffle stops zero order light.
3. laser projection device according to claim 2, it is characterised in that:
The cabinet corresponds to zero suppression baffle two sides and is equipped with sliding slot,
The bottom of box Screw assembly has the adjusting bolt for being directed toward the zero suppression baffle bottom.
4. laser projection device according to claim 3, it is characterised in that:
The adjusting bolt end is equipped with defining flange,
Zero suppression baffle lower end is fixed with the corresponding hinged-support or revolute pair for assembling the defining flange.
5. laser projection device according to claim 4, it is characterised in that:
The bottom of box is equipped with the blind hole of corresponding adjustment bolt.
6. laser projection device according to claim 1, it is characterised in that:
The laser passes through flange base Screw assembly in installing port,
The bottom of box is equipped with the arc cushion block of the corresponding installing port or laser two sides.
7. laser projection device according to claim 1, it is characterised in that:
Transparent cover plate is equipped with by dismountable mode in the exit window.
8. laser projection device according to claim 1, it is characterised in that:
The bottom of box is equipped with sucker.
9. laser projection device according to claim 1, it is characterised in that:
The laser and its projection angle in grating eyeglass direction are 0 ° -10 °.
10. laser projection device described in -9 any one according to claim 1, it is characterised in that:
The grating eyeglass is DOE grating eyeglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922686.XU CN209086655U (en) | 2018-11-21 | 2018-11-21 | Laser projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922686.XU CN209086655U (en) | 2018-11-21 | 2018-11-21 | Laser projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209086655U true CN209086655U (en) | 2019-07-09 |
Family
ID=67124994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821922686.XU Active CN209086655U (en) | 2018-11-21 | 2018-11-21 | Laser projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209086655U (en) |
-
2018
- 2018-11-21 CN CN201821922686.XU patent/CN209086655U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100649758B1 (en) | Lens for distributing quantity of light and optical emission device using the same | |
| US5150966A (en) | Uniform intensity profile catadioptric lens | |
| CN105674154B (en) | Backlight module and three-dimensional optical regulation and control assembly | |
| CN105042507B (en) | Light-emitting device, planar light source device and display device | |
| CN103807715B (en) | Optical module for front headlight of motor vehicle | |
| CN106526776A (en) | Visible light beam combining device for carbon dioxide laser tube and installation method thereof | |
| CN104614789A (en) | Lens with at least one object side refraction surface and at least one image side refraction surface | |
| CN209086655U (en) | Laser projection device | |
| CN205449356U (en) | Glass surface stress appearance | |
| CN205331882U (en) | Optical devices and lighting device | |
| JP2011060714A (en) | Optical component for daylight lighting and other applications | |
| US20120039076A1 (en) | Energy-saving lighting device with even distribution of light | |
| CN206387984U (en) | A kind of distant range iris lighting device and iris recognition camera | |
| CN109492452A (en) | The scanning means of influence of the illumination light of scanning window reflection to barcode scanning can be reduced | |
| CN212986935U (en) | Anti-dazzle optical structure of LED surface light lamp | |
| CN209021424U (en) | A kind of laser machine dimming device | |
| CN208297851U (en) | Cross image diffraction light-collecting lens | |
| CN210426771U (en) | Optical fiber spectrometer structure convenient to adjust | |
| CN210953792U (en) | Light intensity adjusting device and optical path increasing air chamber | |
| CN209979994U (en) | Light-emitting angle adjusting structure of three-optical-path 3D projection equipment | |
| CN208298196U (en) | Bar code reading engine aims at structure | |
| EP3990825A1 (en) | Illumination device of a motor vehicle headlamp | |
| CN208535882U (en) | A kind of big prism Lighting shutter | |
| CN210109833U (en) | Optical fingerprint block based on background brightness | |
| CN206093910U (en) | Electronic candle lamp's play photo structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |