CN105179980B - Large-area parallel scattered light beam emitting device - Google Patents
Large-area parallel scattered light beam emitting device Download PDFInfo
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- CN105179980B CN105179980B CN201510687209.4A CN201510687209A CN105179980B CN 105179980 B CN105179980 B CN 105179980B CN 201510687209 A CN201510687209 A CN 201510687209A CN 105179980 B CN105179980 B CN 105179980B
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- rotating shaft
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- light beams
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Laser Surgery Devices (AREA)
Abstract
The invention discloses a large-area parallel scattered light beam emitting device which comprises a rack, a cross curve optical laser, a rotating shaft, a motor, two conducing rings, a Fresnel lens and a grid plate, wherein the Fresnel lens and a support cylinder are fixedly mounted at one end of the rack; the grid plate is arranged at the front end of the support cylinder; the rotating shaft is arranged inside the inner hole of the other end of the rack; the central line of the rotating shaft and a focal axis of the Fresnel lens are colinear; the cross curve optical laser is arranged at the front end of the rotating shaft, and the rear end of the rotating shaft is connected with the motor; a light emitting point of the cross curve optical laser is positioned at the focus position of the round Fresnel lens; a positive pole and a negative pole for power supply of the cross curve optical laser are connected with the two conducing rings respectively through a cable and two conducting rods. According to the invention, light emitted from the cross curve optical laser is transformed into parallel light through the Fresnel lens, and the parallel light is scattered by the grid plate, so that large-area high-precision scattered parallel light beams can be obtained; the large-area parallel scattered light beam emitting device also has the advantages of being simple in structure and low in cost.
Description
Technical field
The present invention relates to a kind of source of parallel light generating means, more particularly to a kind of extensive parallel discrete light beams transmitting dress
Put, belong to speculum detection and the installation and debugging applied technical field of solar concentrator.
Background technology
With the development of solar energy heat utilization technology, the optical performance requirements of concentrator are increasingly increased, and large-scale
During the type detection of mirror surface face, the installation and debugging of concentrator, it is required to use the source of parallel light on basis, and due to anti-
The size for penetrating minute surface is larger, generally requires large-area source of parallel light, and needs to obtain discernible in vision inspection process
Superfine discrete light beams.
Currently, the parallel light tube in optical instrument be with certain precision source of parallel light device, but complex structure, cost
Costliness, while the bore of parallel light tube light source is limited, and the light for irradiating is continuous type, it is impossible to obtain discernible discrete light
Beam.A kind of source of parallel light device of machine vision imaging system is disclosed in the U of Chinese patent CN 204372612, is by LED
Light source and cylindrical mirror composition source of parallel light device, although LED/light source be arranged on paraboloidal focal position, but due to
LED etc. cannot be real the characteristic for realizing spot light so that its light ray parallel degree for sending is difficult to ensure that, and the technology also without
Method obtains discrete light beam.And a kind of extensive parallel optical simulator for example disclosed in the A of Chinese patent CN 103791275,
It is light source that the technology employs LED chip, and each LED adopts spherical projection lens as light collecting device, and adopts Fresnel
Lens obtain directional light, and are to obtain large-area by array above-mentioned functions unit as collimating element, the combination of three
Parallel rays.Obviously, the installation calibrating difficulty of its each functional module is larger, and the structure of whole directional light modeler is relatively multiple
It is miscellaneous, and be also the failure to obtain discrete collimated light beam.
The content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of extensive parallel discrete light beams transmitting dress of simple structure
Put, it is obtained in that discrete collimated light beam, and the collimation to discrete light beams has calibration function.
The present invention solves the technical scheme of above-mentioned technical problem：A kind of extensive parallel discrete light beams emitter, bag
Including rack, cross line laser, rotating shaft, motor, two conducting rings, Fresnel Lenses and Turbogrid plates；It is characterized in that：It is described
Frame be tubular structure, one end of frame is installed with Fresnel Lenses and support tube, described Turbogrid plates fixed installation
In the end of support tube, Turbogrid plates axial direction is provided with multiple manholes, and the axis and circular Fresnel of each manhole
The focal axis of lens is parallel；
Rotating shaft is provided with the endoporus of the other end of frame, the center line of rotating shaft is conllinear with the focal axis of Fresnel Lenses；Rotating shaft
Cross line laser is provided with towards Fresnel Lenses end, the light launch point of cross line laser is located at circular Fresnel lens
Focal position；The other end of rotating shaft is connected with the output shaft of motor, and motor is fixedly mounted on the end of frame；
The side of described rotating shaft is provided with two insulating bases, and two insulating bases are respectively by conducting rod and two conducting rings
Connection；Conducting rod can be rotated with the connection end of conducting ring on conducting ring；Two conducting rings are fixedly mounted on the end of frame,
Between frame and motor, dead ring is provided between two conducting rings, is provided between the conducting ring and frame of frame
Dead ring, between the conducting ring and motor of motor dead ring is provided with；The power supply both positive and negative polarity of the cross line laser
It is connected with the end of the conducting rod on two insulating bases respectively by cable.
In above-mentioned extensive parallel discrete light beams emitter, the rotating shaft is arranged on the endoporus of frame by bearing
In.
In above-mentioned extensive parallel discrete light beams emitter, two conducting rod is that, by injection mo(u)lding, two is conductive
One end of bar is separately fixed on two insulating bases, and the side of two conducting ring is provided with ring-shaped groove, ring-shaped groove and rotating shaft
Coaxially, the other end of two conducting rod is provided with ring-shaped groove to the spheroid that matches, and by spheroid respectively with two conducting rings
On ring-shaped groove connection, spheroid can slide in ring-shaped groove.
In above-mentioned extensive parallel discrete light beams emitter, insulating base is provided with screwed hole, and screwed hole bottom is
The metal end of conducting rod, one end of the cable of the cross line laser is arranged in the screwed hole of insulating base, and by copper
Screw-making is fixed and is connected with the metal end of conducting rod.
In above-mentioned extensive parallel discrete light beams emitter, the described cross line laser shape at Fresnel Lenses
Into optical plane more than Fresnel Lenses radial dimension.
In above-mentioned extensive parallel discrete light beams emitter, the endoporus of the support tube is matched somebody with somebody with the external cylindrical surface of frame
Close, fixed by screw；Described frame is supported on bearing, and bearing includes base and two semicircular rings, and base is provided with half
Circular groove, two semicircular rings are arranged on base by screw, and semicircular ring constitutes circular port with the groove of base, outside frame
Circle coordinates with the circular port of bearing.
In above-mentioned extensive parallel discrete light beams emitter, four circles are circumferentially evenly arranged in the frame
Hole, the rotating shaft is provided with vertically cylindrical hole.
In above-mentioned extensive parallel discrete light beams emitter, scribble on the side wall of the manhole of the Turbogrid plates
The material of efficient absorption light.
Compared with prior art, the invention has the beneficial effects as follows：The present invention with cross laser device as light source, cross laser device
Installed in the focal position of Fresnel Lenses, collimated light beam can be become by Fresnel Lenses, and cross laser device can be around circle
Shape Fresnel Lenses focal axis rotation, the present invention circular Fresnel lens exiting surface be provided with Turbogrid plates light is carried out from
Dissipate, Turbogrid plates can also be to the filtration of skew ray so that the present invention can obtain the discrete light beam of high-precision flat row；The present invention
Also have the advantages that mechanism is simple, low cost.
Description of the drawings
Fig. 1 is the sectional view of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is the explosive view of the present invention.
Fig. 4 is the axonometric drawing of the present invention.
Fig. 5 is the enlarged drawing in Fig. 1 at I.
Fig. 6 is cut away view at the conducting ring of the present invention.
In figure：1-end cap III；2-cross line laser；3-rotating shaft；4-conducting ring；5-dead ring；6-conducting ring；
7-insulating sleeve；8-cable；9-motor；10-screw rod；11-retainer ring；12-deep groove ball bearing；13-bearing；
14-frame；15-Fresnel Lenses；16-end cap II；17-support tube；18-bolt；19-end cap I；20-Turbogrid plates；
21-semicircular ring；22-key；23-dead ring；24-dead ring；25-conducting rod；26-conducting rod；27-insulating base.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further illustrated.
As shown in Figure 1-Figure 3, the present invention include frame 14, cross line laser 2, rotating shaft 3, motor 9, bearing 13,
Conducting rod 25, conducting rod 26, dead ring 5, dead ring 23, dead ring 24, conducting ring 4, conducting ring 6, circular Fresnel are saturating
Mirror 15 and Turbogrid plates 20.Described frame 14 is tubular structure, on bearing 13.The bearing 13 includes base and two
Semicircular ring 21, base is provided with semi-circular recesses, and two semicircular rings 21 are arranged on base by screw, semicircular ring 21 and base
Groove composition circular port, cylindrical and the bearing 13 of frame 14 circular port cooperation.The cross line laser 2 is arranged on rotating shaft
3 end, in the cylindrical hole of rotating shaft 3, and by the III 1 pairs of cross line lasers 2 of end cap installed in the end of rotating shaft 3
Carry out axially position.The rotating shaft 3 is fixed in the endoporus of the one end of frame 14 by deep groove ball bearing 12.
As shown in Fig. 3, Fig. 5, Fig. 6, the side of the rotating shaft 3 is provided with two insulating bases 27, the conducting rod 25 and leads
Electric pole 26 is separately fixed in two insulating bases 27 by one end of injection mo(u)lding, conducting rod 25 and conducting rod 26, the insulation
Seat 27 is fixed by screws in rotating shaft 3, and insulating base 27 is provided with screwed hole, and screwed hole bottom is conducting rod 25 or conducting rod
26 metal end, the power supply both positive and negative polarity of the cross line laser 2 is connected respectively by cable 8 with conducting rod 25, conducting rod 26
Connect, one end of the cable 8 is placed in the screwed hole of insulating base 27, and be fixed and corresponding conduction by copper screw
The metal end connection of bar.The relative side of the conducting ring 4 and conducting ring 6 is provided with ring-shaped groove, the conducting rod 25 and leads
The end of electric pole 26 is provided with ring-shaped groove to the spheroid that matches, and sphere installation, and can be in ring-shaped groove in ring-shaped groove
Interior slip.
The conducting ring 4 and conducting ring 6 are arranged on one end of frame 14, and conducting ring 4 is located at frame 14 with conducting ring 6 certainly
Inspection, is provided with dead ring 23 between conducting ring 4 and frame 14, dead ring 5 is separated between the conducting ring 4 and conducting ring 6, described to lead
The outside of electric ring 6 is provided with retainer ring 11, and dead ring 24, the conducting ring 4, conducting ring are separated between conducting ring 6 and retainer ring 11
6th, dead ring 23, dead ring 24, dead ring 5 and retainer ring 11 are toroidal, and are arranged on by the way of stacking with one heart
In frame 14.The motor 9 is arranged on the outside of retainer ring 11, and is attached with frame 14 by screw rod 10, the screw rod
Insulating sleeve 7 is installed between 10 and bolt hole, the conductive or short circuit between conducting ring 4, conducting ring 6 and other elements is prevented.
The output shaft of the motor 9 is attached by key 22 with rotating shaft 3.
The Fresnel Lenses 15 is arranged in the interior circular hole of the one end of frame 14, and is carried out using end cap II 16 axially solid
Fixed, the light launch point of institute's cross line laser 2 is located at the focal position of circular Fresnel lens 15, and cross line laser 2 exists
The optical plane formed at Fresnel Lenses 15 can be more than the radial dimension of Fresnel Lenses 15.The center line of the rotating shaft 3 and phenanthrene
The focal axis of Nie Er lens 15 is conllinear.The Turbogrid plates 20 are arranged in the Cylinder inner bore of support tube 17, and are entered by end cap I 19
Row axial restraint, the axial direction of the Turbogrid plates 20 is provided with intensive tiny manhole, and the axis of each through hole and circle
The focal axis of Fresnel Lenses 15 is parallel.The endoporus of the support tube 17 coordinates with the external cylindrical surface of frame 14, and is entered using screw
Row axial restraint.
As Figure 1-4, four circular holes are circumferentially uniformly provided with the frame 14, facilitate the tune of cross line laser 2
Whole and replacing, the center of the rotating shaft 3 is provided with vertically cylindrical hole, is easy to cable 8 and conducting rod 25, the connection of conducting rod 26,
And prevent the winding of the cable in rotation process.The dead ring 23, dead ring 24, dead ring 5, insulating sleeve 7, insulating base 27
It is non-conducting material to make.
Light is being that the side wall of through hole has reflex by the through hole of Turbogrid plates 20, so as to cause emergent ray to occur
Deflection so that the light beam projected from Turbogrid plates 20 is not parallel, in order to prevent the generation of phenomenon here, the circle of the Turbogrid plates 20 is led to
The material of efficient absorption light is scribbled on the side wall in hole.The present invention can pass through the diameter and grid for changing Turbogrid plates manhole
The thickness of panel 20, is corrected to the nonparallelism of discrete light beams.From Turbogrid plates project discrete light beams maximum deviation be：
In formula,δFor outgoing beam and the drift angle of ideal parallelism light beam, D is the through-hole diameter of Turbogrid plates, and L is Turbogrid plates 20
Thickness, i.e. via depth.
The operation principle of the present invention is as follows：During work, first by the power on of cross line laser 2, will conducting ring
4 and conducting ring 6 turn on the both positive and negative polarity of power supply.Being then turned on motor 9 makes cross line laser 2 carry out around Fresnel Lenses
15 focal axis rotation, obtains directional light.Then, the manhole that directional light passes through front grid plate 20, filters through error and becomes
Into discrete collimated light beam.Certainly, Turbogrid plates 20 can also be removed when work, obtains continuous extensive parallel light
Line.
Claims (8)
1. a kind of extensive parallel discrete light beams emitter, including frame (14), cross line laser (2), rotating shaft (3), electricity
Motivation (9), two conducting rings (4,6), Fresnel Lenses (15) and Turbogrid plates (20)；It is characterized in that：Described frame (14)
For tubular structure, one end of frame (14) is installed with Fresnel Lenses (15) and support tube（17）, described Turbogrid plates
(20) it is fixedly mounted on support tube（17）End, Turbogrid plates (20) axial direction is provided with multiple manholes, and each circular logical
The axis in hole is parallel with the focal axis of circular Fresnel lens (15)；
Rotating shaft (3), rotating shaft are provided with the endoporus of the other end of frame (14)（3）Center line and Fresnel Lenses (15) focal axis
Collinearly；Rotating shaft (3) is provided with cross line laser (2), the light transmitting of cross line laser (2) towards Fresnel Lenses (15) end
Point is positioned at the focal position of circular Fresnel lens (15)；The other end of rotating shaft (3) is connected with the output shaft of motor (9), electricity
Motivation (9) is fixedly mounted on the end of frame (14)；
Described rotating shaft（3）Side be provided with two insulating bases (27), two insulating bases (27) pass through respectively conducting rod（25,
26) it is connected with two conducting rings (4,6)；Conducting rod（25,26) with conducting ring (4, connection end 6) can conducting ring (4,6)
Upper rotation；Two conducting rings (4, the end of frame (14) 6) is fixedly mounted on, positioned at frame（14）And motor (9) between, two
Dead ring is provided between individual conducting ring (4,6)（4）, near frame（14）Conducting ring (4) and frame（14）Between be provided with insulation
Ring（23）, between the conducting ring (6) and motor (9) of motor (9) dead ring is provided with（24）；The cross line laser
(2) power supply both positive and negative polarity is connected respectively by cable (8) with the end of the conducting rod on two insulating bases (27).
2. extensive parallel discrete light beams emitter according to claim 1, it is characterised in that：The rotating shaft (3) is led to
Bearing (12) is crossed in the endoporus of frame (14).
3. extensive parallel discrete light beams emitter according to claim 1, it is characterised in that：Two conducting rod
(25, it is 26) that, by injection mo(u)lding, (25, one end 26) is separately fixed on two insulating bases (27) two conducting rods, and described two lead
(4, side 6) is provided with ring-shaped groove, ring-shaped groove and rotating shaft to electric ring（3）Coaxially, two conducting rod (25,26) another
End is provided with ring-shaped groove to the spheroid that match, and by spheroid respectively with two conducting rings (4,6) on ring-shaped groove connect, ball
Body can slide in ring-shaped groove.
4. extensive parallel discrete light beams emitter according to claim 1, it is characterised in that：Insulating base sets on (27)
Have a screwed hole, and screwed hole bottom be conducting rod (25, metal end 26), the cable (8) of the cross line laser (2)
One end is arranged in the screwed hole of insulating base (27), and be fixed by copper screw and with conducting rod (25, metal 26)
End connects.
5. extensive parallel discrete light beams emitter according to claim 1, it is characterised in that：Described cross hairs swashs
Light device (2) is in Fresnel Lenses（15）Radial dimension of the optical plane that place is formed more than Fresnel Lenses (15).
6. extensive parallel discrete light beams emitter according to claim 1, it is characterised in that：The support tube (17)
The external cylindrical surface of endoporus and frame (14) coordinate, fixed by screw；Described frame（14）Installed in bearing（13）On,
Including base and two semicircular rings, base is provided with semi-circular recesses to seat (13), and two semicircular rings are arranged on base by screw
On, semicircular ring constitutes circular port with the groove of base, and the circular port of the cylindrical and bearing (13) of frame (14) coordinates.
7. extensive parallel discrete light beams emitter according to claim 1, it is characterised in that：On the frame (14)
Four circular holes circumferentially it have been evenly arranged, the rotating shaft (3) is provided with vertically cylindrical hole.
8. extensive parallel discrete light beams emitter according to claim 1, it is characterised in that：The Turbogrid plates (20)
Manhole side wall on scribble the material of efficient absorption light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510687209.4A CN105179980B (en) | 2015-10-22 | 2015-10-22 | Large-area parallel scattered light beam emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510687209.4A CN105179980B (en) | 2015-10-22 | 2015-10-22 | Large-area parallel scattered light beam emitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105179980A CN105179980A (en) | 2015-12-23 |
| CN105179980B true CN105179980B (en) | 2017-05-17 |
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| CN201510687209.4A Active CN105179980B (en) | 2015-10-22 | 2015-10-22 | Large-area parallel scattered light beam emitting device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807430A (en) * | 2016-03-17 | 2016-07-27 | 邓泳安 | Parallel discrete light beam emitting system with efficient heat dissipation function |
| CN106339126B (en) * | 2016-08-17 | 2019-08-16 | 北京仁光科技有限公司 | A kind of device that realizing arc light curtain, arcuate screens interaction system and method |
| CN107957823B (en) * | 2017-12-18 | 2019-01-18 | 南京仁光电子科技有限公司 | For generating the device for being parallel to the infrared light curtain of screen |
| CN110535011B (en) * | 2019-09-29 | 2020-06-02 | 成都唐源电气股份有限公司 | Method for adjusting posture of linear optical device |
| CN110778934B (en) * | 2019-11-08 | 2022-01-04 | 平行现实（杭州）科技有限公司 | Ultrathin parallel light source based on one-dimensional diffraction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696940U (en) * | 2010-06-18 | 2011-01-05 | 嘉善谦信和电子科技有限公司 | Portable illumination LED lamp with combined light rays of parallel light and scattered light |
| CN203190060U (en) * | 2013-04-15 | 2013-09-11 | 林宗平 | Lighting device |
| CN205026477U (en) * | 2015-10-22 | 2016-02-10 | 湖南科技大学 | Parallel discrete light beam emitter of large tracts of land |
-
2015
- 2015-10-22 CN CN201510687209.4A patent/CN105179980B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696940U (en) * | 2010-06-18 | 2011-01-05 | 嘉善谦信和电子科技有限公司 | Portable illumination LED lamp with combined light rays of parallel light and scattered light |
| CN203190060U (en) * | 2013-04-15 | 2013-09-11 | 林宗平 | Lighting device |
| CN205026477U (en) * | 2015-10-22 | 2016-02-10 | 湖南科技大学 | Parallel discrete light beam emitter of large tracts of land |
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| CN105179980A (en) | 2015-12-23 |
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