CN108919479B - Laser reflection imaging device - Google Patents
Laser reflection imaging device Download PDFInfo
- Publication number
- CN108919479B CN108919479B CN201810648194.4A CN201810648194A CN108919479B CN 108919479 B CN108919479 B CN 108919479B CN 201810648194 A CN201810648194 A CN 201810648194A CN 108919479 B CN108919479 B CN 108919479B
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- laser
- reflector
- imaging
- lamp group
- reflecting surface
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- 238000003384 imaging method Methods 0.000 title claims abstract description 71
- 239000011159 matrix material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Studio Devices (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a laser reflection imaging device, comprising: the LD lamp group, the reflecting assembly used for reflecting the laser, and imaging bottom plate; the reflecting component is provided with a main reflecting surface; the LD lamp group is provided with a plurality of laser diodes; the laser beams emitted by the LD lamp group are reflected by the main reflecting surface of the reflecting component and projected to the imaging bottom plate to form a plurality of laser points, and the distance between the adjacent laser points is 0.016mm-2mm. The laser reflection imaging device is characterized in that the LD lamp group is provided with a plurality of laser diodes, laser beams can be emitted outwards, the laser beams emitted by the LD lamp group are reflected by the main reflecting surface of the reflecting component and projected to the imaging bottom plate to form a plurality of laser points, the distance range between the laser points is small, and the laser points can be regarded as laser lines or surfaces in the imaging industry, so that the imaging efficiency is very high, the cost of the LD lamp group is low, the LD lamp group can be assembled according to specific requirements, and the adaptability is very strong.
Description
Technical Field
The present invention relates to a laser reflection imaging apparatus.
Background
At present, laser imaging basically uses a single light source to emit laser beams to be imaged through two laser galvanometers, but the efficiency is very low, which is equivalent to that of a point light source to be imaged through two laser galvanometers. The main reason for forming the technical bottleneck is that the pipe diameter of the laser diode is large, the gap between laser beams emitted by directly assembling a plurality of laser diodes together is too large, the distance between laser points formed by imaging is too large, the imaging precision cannot be achieved, the cost of directly manufacturing the laser diode into a light source of a radiation line and a surface light source is very high, and the current technology is difficult to realize, so that the current scheme adopts single laser beam for imaging.
Disclosure of Invention
In order to overcome the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a laser reflection imaging apparatus.
The technical scheme of the invention is as follows:
a laser reflection imaging apparatus, comprising: the LD lamp group, the reflecting assembly used for reflecting the laser, and imaging bottom plate; the reflecting component is provided with a main reflecting surface; the LD lamp group is provided with a plurality of laser diodes; the laser beams emitted by the LD lamp group are reflected by the main reflecting surface of the reflecting component and projected to the imaging bottom plate to form a plurality of laser points, and the distance between the adjacent laser points is 0.016mm-2mm.
The further technical scheme is as follows: the reflective assembly includes a first reflector; the first reflector is provided with the convex main reflecting surface and is arranged on the opposite side of the LD lamp group; the laser diode of the LD lamp group emits laser light to the first reflector.
The further technical scheme is as follows: the laser diodes of the LD lamp group are arranged linearly; the main reflection surface is arranged in a linear way towards a plurality of laser points formed by projection of the imaging bottom plate.
The further technical scheme is as follows: the laser reflection imaging device also comprises a mounting seat, a fixed panel for mounting the LD lamp group and a support column for mounting the first reflector; the fixed panel and the support column are respectively fixed on the mounting seat.
The further technical scheme is as follows: the mounting seat is also provided with a mounting station for mounting the imaging bottom plate.
The further technical scheme is as follows: the first reflector is rotationally connected with the support column through a rotating shaft.
The further technical scheme is as follows: the reflecting assembly comprises a second reflector and a third reflector; the third reflector is provided with the main reflecting surface; the second reflector reflects the laser beam emitted by the LD lamp group to the third reflector, and the third reflector reflects the laser beam reflected by the second reflector and projects the laser beam to the imaging bottom plate to form a plurality of laser points.
The further technical scheme is as follows: the LD lamp group comprises an annular mounting plate for mounting a laser diode; the third reflector is fixed at the center of the annular mounting plate, the cross section of the third reflector is conical, and the third reflector is provided with the concave main reflecting surface; the second reflector is fixed below the LD lamp group and is provided with a concave auxiliary reflecting surface and a projection through hole; the imaging bottom plate is arranged at the bottom side of the projection through hole; the third reflector projects the laser spots to the imaging baseplate through the projection through hole to form a plurality of laser spots.
The further technical scheme is as follows: the laser diodes are fixed on the mounting plate and are arranged in a linear lamp array; the mounting plate is provided with a plurality of lamp columns.
The further technical scheme is as follows: the laser reflection imaging device also comprises a laser galvanometer arranged between the reflection assembly and the imaging bottom plate; the laser galvanometer reflects the laser beam reflected by the main reflecting surface of the reflecting component to the imaging baseplate to project and form the laser spot.
Compared with the prior art, the invention has the technical effects that: the laser reflection imaging device is characterized in that the LD lamp group is provided with a plurality of laser diodes, laser beams can be emitted outwards, the laser beams emitted by the LD lamp group are reflected by the main reflecting surface of the reflecting component and projected to the imaging bottom plate to form a plurality of laser points, the distance range between the laser points is small, and the laser points can be regarded as laser lines or surfaces in the imaging industry, so that the imaging efficiency is very high, the cost of the LD lamp group is low, the LD lamp group can be assembled according to specific requirements, and the adaptability is very strong.
The LD lamp group is a surface light source formed by lamp columns, and the laser surface formed by laser points can be projected to the imaging bottom plate after being reflected by the second reflector and the third reflector.
The invention is further described below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a first embodiment of a laser reflection imaging device;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a perspective view of a second embodiment of a laser reflection imaging device;
fig. 4 is a cross-sectional view of a second embodiment of a laser reflection imaging device.
Reference numerals
First embodiment
10. Laser reflection imaging device 1 LD lamp set
11. First reflector of laser diode 2
21. Imaging bottom plate of main reflecting surface 3
4. Mounting seat 5 fixing panel
6. Support column
Second embodiment
20. Laser reflection imaging device 7 LD lamp set
71. Laser diode 72 mounting plate
8. Second reflector of reflection assembly 81
811. The sub-reflecting surface 812 projects through-holes
82. Main reflecting surface of third reflector 821
9. Imaging backplane
Detailed Description
In order to more fully understand the technical content of the present invention, the following technical solutions of the present invention are further described and illustrated with reference to the schematic drawings, but are not limited thereto.
A laser reflection imaging apparatus comprising: the LD lamp group, the reflection subassembly that is used for reflecting laser, and formation of image bottom plate. The reflecting component is provided with a main reflecting surface, and the LD lamp group is provided with a plurality of laser diodes. The laser beams emitted by the LD lamp group are reflected by the main reflecting surface of the reflecting component and projected to the imaging bottom plate to form a plurality of laser points, and the distance between the adjacent laser points is 0.016mm-2mm.
As shown in fig. 1 and 2, the laser reflection imaging apparatus 10 includes: an LD lamp group 1, a reflecting component for reflecting laser light, and an imaging base plate 3. The reflecting assembly is provided with a main reflecting surface 21 and the ld-lamp group 1 is provided with a plurality of laser diodes 11. The laser beams emitted by the LD lamp group 1 are reflected by the main reflecting surface 21 of the reflecting component and projected to the imaging bottom plate 3 to form a plurality of laser points, and the distance between the adjacent laser points is 0.016mm-2mm.
Preferably, the reflecting assembly comprises a first reflector 2, the first reflector 2 being provided with a convex main reflecting surface 21. The main reflection surface 21 may be provided as a regular or irregular convex surface such as a spherical surface shape or an ellipsoidal surface shape according to specific reflection conditions. The first reflector 2 is mounted on the opposite side of the LD lamp group 1, the laser diode 11 of the LD lamp group 1 emits laser to the first reflector 2, the laser beam emitted by the LD lamp group 1 is reflected by the main reflecting surface 21 of the first reflector 2 and projected to the imaging bottom plate 3 to form a plurality of laser points, and the distance range of the adjacent laser points is 0.016mm-2mm. In the present embodiment, the main reflecting surface 21 is spherical, and the LD lamp group 1 emits a laser beam toward the lower end of the central axis of the first reflector 2.
Preferably, the laser diodes 11 of the LD lamp group 1 are arranged linearly, and the plurality of laser spots formed by projection of the main reflecting surface 21 to the imaging base plate 3 are arranged linearly, and specifically, the laser spots may be considered to be arranged in a matrix of columns, which may be one column or a plurality of columns. The distance between adjacent laser points is determined according to the specific situation, and the adjacent laser points are kept as equidistant as possible to ensure imaging accuracy.
Preferably, the laser reflection imaging device 10 further includes a mounting base 4 for mounting the fixed panel 5 of the LD lamp group 1, and a support column 6 for mounting the first reflector 2. The fixed panel 5 and the support column 6 are respectively fixed on the mounting seat 4, the mounting seat 4 is also provided with a mounting station for mounting the imaging bottom plate 3, and the first reflector 2 is rotationally connected with the support column 6 through a rotating shaft.
The laser spots ultimately projected from the first embodiment are arranged in a line, while the laser spots projected from the second embodiment may be arranged in a plane. The reflecting component comprises a second reflector and a third reflector. The third reflector is provided with a main reflecting surface, the second reflector reflects the laser beams emitted by the LD lamp group to the third reflector, the third reflector reflects the laser beams reflected by the second reflector and projects the laser beams to the imaging bottom plate to form a plurality of laser points, and the distance range between the adjacent laser points is 0.016mm-2mm.
As shown in fig. 3 and 4, the laser reflection imaging device 20 includes: an LD lamp group 7, a reflecting component 8 for reflecting laser light, and an imaging base plate 9. The reflecting assembly 8 is provided with a main reflecting surface 821 and the ld lamp group 7 is provided with a plurality of laser diodes 71. The laser beams emitted by the LD lamp group 7 are reflected by the main reflecting surface 821 of the reflecting component 8 and projected to the imaging bottom plate 9 to form a plurality of laser points, and the distance between the adjacent laser points is 0.016mm-2mm.
Preferably, the reflective assembly 8 includes a second reflector 81, and a third reflector 82. The third reflector 82 is provided with a main reflecting surface 821, the second reflector 81 reflects the laser beam emitted by the LD lamp group 7 to the third reflector 82, the third reflector 82 reflects the laser beam reflected by the second reflector 81 and projects a plurality of laser spots to the imaging base plate 9, and the distance range of the adjacent laser spots is 0.016mm-2mm.
Specifically, the LD lamp group 7 includes an annular mounting plate 72 for mounting the laser diode 71, and a third reflector 82 is fixed to the center of the annular mounting plate 72. The third reflector 82 has a conical cross section and is provided with a concave main reflecting surface 821. The second reflector 81 is fixed below the LD lamp group 7, and the second reflector 81 is provided with a concave sub-reflecting surface 811 and a projection through hole 812. The imaging chassis 9 is disposed at the bottom side of the projection through hole 812, and the third reflector 82 projects a plurality of laser spots to the imaging chassis 9 through the projection through hole 812. The specific shape of the main reflecting surface 821 and the sub reflecting surface 811 may be a spherical or aspherical shape according to actual circumstances.
The laser diodes 71 are fixed to a mounting plate 72 and arranged in linear lamp rows, and the mounting plate 72 is provided with a plurality of lamp rows. Thus, the laser spots on the imaging chassis 9 are also arranged in a matrix to form a laser surface constituted by the laser spots. The distance between adjacent laser points is determined according to the specific situation, and the adjacent laser points are kept as equidistant as possible to ensure imaging accuracy.
When laser imaging is utilized, the shape change during forming is obtained by controlling the on-off of the laser diode on the LD lamp group.
In other embodiments, the laser reflection imaging device further comprises a laser galvanometer arranged between the reflection assembly and the imaging bottom plate, the laser galvanometer reflects the laser beam reflected by the main reflection surface of the reflection assembly to project to the imaging bottom plate to form a laser spot, and the distance between adjacent laser spots is in the range of 0.016mm-2mm.
The foregoing examples are provided to further illustrate the present invention and are not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (1)
1. A laser reflection imaging apparatus, comprising: the LD lamp group, the reflecting assembly used for reflecting the laser, and imaging bottom plate; the reflecting component is provided with a main reflecting surface; the LD lamp group is provided with a plurality of laser diodes; the laser beams emitted by the LD lamp group are reflected by a main reflecting surface of the reflecting component and projected to an imaging bottom plate to form a plurality of laser points, and the distance between the adjacent laser points is 0.016mm-2mm;
the reflecting assembly comprises a second reflector and a third reflector; the third reflector is provided with a main reflecting surface; the second reflector reflects the laser beams emitted by the LD lamp group to the third reflector, and the third reflector reflects the laser beams reflected by the second reflector and projects the laser beams to the imaging bottom plate to form a plurality of laser points; the LD lamp group comprises an annular mounting plate for mounting a laser diode;
The third reflector is fixed at the center of the annular mounting plate, the cross section of the third reflector is conical, and the third reflector is provided with the concave main reflecting surface; the second reflector is fixed below the LD lamp group and is provided with a concave auxiliary reflecting surface and a projection through hole; the imaging bottom plate is arranged at the bottom side of the projection through hole; the third reflector projects the laser spots to the imaging baseplate through the projection through hole to form a plurality of laser spots;
the laser diodes are fixed on the mounting plate and are arranged in a linear lamp array; the mounting plate is provided with a plurality of lamp columns;
The laser reflection imaging device also comprises a laser galvanometer arranged between the reflection assembly and the imaging bottom plate; the laser galvanometer reflects the laser beam reflected by the main reflecting surface of the reflecting component to the imaging baseplate to project and form the laser spot.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648194.4A CN108919479B (en) | 2018-06-22 | 2018-06-22 | Laser reflection imaging device |
| PCT/CN2018/121632 WO2019242260A1 (en) | 2018-06-22 | 2018-12-18 | Laser reflection imaging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648194.4A CN108919479B (en) | 2018-06-22 | 2018-06-22 | Laser reflection imaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108919479A CN108919479A (en) | 2018-11-30 |
| CN108919479B true CN108919479B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810648194.4A Active CN108919479B (en) | 2018-06-22 | 2018-06-22 | Laser reflection imaging device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108919479B (en) |
| WO (1) | WO2019242260A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919479B (en) * | 2018-06-22 | 2024-06-04 | 深圳市润沃自动化工程有限公司 | Laser reflection imaging device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108919479A (en) | 2018-11-30 |
| WO2019242260A1 (en) | 2019-12-26 |
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