CN104765061A - Flare light condensing device based on combined mirror - Google Patents
Flare light condensing device based on combined mirror Download PDFInfo
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- CN104765061A CN104765061A CN201510163542.5A CN201510163542A CN104765061A CN 104765061 A CN104765061 A CN 104765061A CN 201510163542 A CN201510163542 A CN 201510163542A CN 104765061 A CN104765061 A CN 104765061A
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Abstract
The invention provides a flare light condensing device based on a combined mirror. The flare light condensing device comprises a light-emitting circular face, a rotary convex mirror, a rotary local paraboloid mirror, a rotary conical mirror and a rotary paraboloid mirror. The front end face of the rotary convex mirror is coaxially and tightly connected with the light-emitting circular face with the equal perimeter. The rotary local paraboloid mirror is coaxially installed on the back end face of the rotary convex mirror. The rotary conical mirror is coaxially installed on the periphery of the rotary local paraboloid mirror, and the paraboloid mirror is coaxially installed on the rotary conical mirror. According to the flare light condensing device, flare light is collected through the combined mirror structure, the incident light in various directions can be collected and converged, the structure is compact, adjustment is convenient, novel miniature photoelectric conversion devices can be conveniently used, a novel detection system excellent in performance is formed, and the flare light condensing device has the good application prospects in the astrosurveillance field, the industrial application field and the national defense science and technology field.
Description
Technical field
The invention belongs to nuclear detection technology field, be specifically related to the passage of scintillation light light condensing technology field of dark infant laser signal detection.
Background technology
In many investigation and application fields, all relate to the precision measurement of feeble signal, class Detection Techniques are wherein had to be incident ray or particle are got to the upper sedimentary energy of sensitive body (also known as scintillator) of scintillation detector, opto-electronic conversion is passed through after producing specific wavelength light, electric signal identified and processes, thus realizing the detection to ray or particle.These type of Detection Techniques all have applications well prospect in the fields such as pulsar navigation, the monitoring of nuclear facilities surrounding enviroment, Space environment detection, strategic arms mobile monitoring.But when carrying out the detection of dark weak signal target, it is limited that the characteristic of light signal that detection incident ray converts to often causes accepting photon numbers, makes Effect on Detecting not good.Such as, in non-concentrating situation, if directly utilize modern micro photo electric switching device (as avalanche photodiode, silicon photomultiplier, silicon drift ionization chamber etc.) to receive photon, the light sent due to scintillator be non-parallel will inevitably to each side's scattering, therefore receiving photon numbers will be very limited, usually all do not reach electrooptical device sensitivity threshold, will cause that detectable signal is faint thus even cannot detectable signal; In addition, if the photosurface of electrooptical device is suitable with the honorable mirror of flicker, then electrooptical device volume can be caused comparatively large, and the background noise also corresponding amplification of generation, severe jamming is to the detection of dark weak signal target.
Summary of the invention
The object of the invention is to solve the not good difficult problem of the non-parallel smooth convergence effect of scintillator outgoing, a kind of passage of scintillation light beam condensing unit of combinatorial surface mirror is provided, to meet the demand of well collecting dark weak signal and detecting.
For achieving the above object, the technical solution used in the present invention is as follows:
Based on the passage of scintillation light beam condensing unit of combinatorial surface mirror, comprise luminous disc 1, rotate convex mirror 2, rotate partial paraboloid face mirror 3, rotary cone mirror 4 and rotating paraboloidal mirror 5; Rotate the coaxial compact siro spinning technology of girth such as convex mirror 2 front end face and luminous disc 1, rotate the coaxial installation of convex mirror 2 rear end face and rotate partial paraboloid face mirror 3, the coaxial periphery being installed on paraboloidal mirror 3 of rotary cone mirror 4, rotary cone mirror 4 rear end face coaxially installs paraboloidal mirror 5; The convex surface focus rotating convex mirror 2 is positioned in luminous disc 1 plane, form concentric circumferences 9, its diameter is greater than the diameter of luminous disc 1, in the section of each overwinding rotating shaft, upper and lower two convex mirrors are symmetrical, each convex mirror is identical relative to the subtended angle 10 of respective focus, rotates convex mirror 2 parallel with turning axle 7 with the tangent line of luminous disc 1 circumference joint; Rotate partial paraboloid face 3 to be rotated along turning axle 7 by half parabolical part and form, and in each section para-curve upper and lower Liang Ge branch symmetrical and with same section in rotate convex mirror about 2 two convex mirror branch confocal concentric circumferences 9 respectively; Rotary cone mirror 4 is formed along turning axle 7 rotation by a line segment, in each section, upper and lower Liang Ge branch is symmetrical, and the requirement of line segment length is, line segment projection on the rotary shaft and rotation partial paraboloid face mirror 3 project on the rotary shaft with para-curve in section and overlap, and line segment angle of inclination is 45 °.
Described luminous disc 1 is made up of illuminating column body bottom surface, cylindrical more than basal diameter 10cm, and height of column is 3-5cm.
Described right cylinder front end face, bottom surface and cylinder, all adopt industrial coating film treatment.
Described subtended angle 10 is set as 30 °-45 °.
Described rotating paraboloidal mirror 5 is formed along turning axle rotation by the para-curve of a focus on turning axle 7, after this focus 6 is positioned at turning axle 7 and rotates the intersection point 15 of partial paraboloid face mirror rear end face 13, in the section of each overwinding rotating shaft 7, this para-curve edge height is concordant with rotary cone mirror rear end face 14 edge respectively.
The reflective surface of described rotation convex mirror 2, rotation partial paraboloid face mirror 3, rotary cone mirror 4 and rotating paraboloidal mirror 5 above-mentioned mirrors has all carried out industrial coating film treatment.
The advantage that the present invention has and good effect are:
1, pointolite of the prior art is collected and is expanded as area source is collected by this beam condensing unit, namely can collect all directions light that light-emitting area is launched, can adapt to various light intensity directional diagram;
2, concentration structure of the present invention does not affect by emission wavelength, the light of different wave length can be gathered together;
3, concentration structure of the present invention does not produce retrodirective reflection light, can not have a negative impact to light source;
4, the present invention is combined by multiple mirror, and compact conformation, easy to make, flexible adjustment, light gathering efficiency is high.
Accompanying drawing explanation
Fig. 1 is combinatorial surface mirror concentration structure section of the present invention and light path schematic diagram;
Fig. 2 is combinatorial surface mirror concentration structure three-dimensional perspective schematic diagram of the present invention.
Wherein: 1 is luminous disc; 2 is rotate convex mirror; 3 is rotate partial paraboloid face mirror; 4 is rotary cone mirrors; 5 is rotating paraboloidal mirrors; 6 is paraboloid of revolution mirror focis; 7 is turning axles; 8 is rotate convex mirror front end face; 9 is concentric circumferences, is to rotate convex mirror and the concentric circles rotating partial paraboloid face mirror common focus; 10 is rotate convex mirror subtended angle; 11 is rotate convex mirror rear end face; 12 is rotary cone mirror front end faces; 13 is rotate partial paraboloid face mirror rear end face; 14 is rotary cone mirror rear end faces; 15 is turning axle and the intersection point rotating partial paraboloid face mirror rear end face; 16 is rotate partial paraboloid face vertex point.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
As shown in Figure 1, beam condensing unit of the present invention comprises luminous disc 1, rotates convex mirror 2, rotates the diagrammatic cross-section that partial paraboloid face mirror 3, rotary cone mirror 4 and rotating paraboloidal mirror 5, Fig. 1 are concentration structures of the present invention.Rotate the coaxial compact siro spinning technology of girth such as convex mirror 2 front end face and luminous disc 1, rotate convex mirror 2 rear end face coaxial installations rotation partial paraboloid face mirror 3, the light that rotation convex mirror 2 reflects is reflected to the direction perpendicular to turning axle 7.Rotary cone mirror 4 is coaxial is installed on the periphery rotating partial paraboloid face mirror 3, the light rotating the mirror reflection of partial paraboloid face is made to change 90 °, become the light beam being parallel to turning axle 7, rotary cone mirror 4 rear end face coaxially installs rotating paraboloidal mirror 5, make rotating paraboloidal mirror 5 can collect the light of conic mirror 4 transmitting, and converge in the focus 6 of rotating paraboloidal mirror 5.Above-mentioned all mirror reflective surfaces, through industrial coating film treatment, make its reflectivity reach more than 98%.
Wherein luminous disc 1 is made up of illuminating column body bottom surface, required cylindrical more than basal diameter 10cm, height of column thickness about about 3 ~ 5cm, cylinder physical efficiency sends the light of visible light wave range to specific incident ray reaction, right cylinder front end face (i.e. a bottom surface) and cylinder (i.e. side) all adopt coating film treatment to ensure that the visible ray produced can not transmit, therefore all visible light ray can only penetrate from light-emitting area 1 shown in right cylinder rear end face and Fig. 1, its emergent light direction covers hemisphere face spatial angle range, this concentration structure does not have particular/special requirement to the emergent light surface of intensity distribution, the situation of various light intensity space multistory angle distribution can be adapted to.
The convex surface focus wherein rotating convex mirror 2 is positioned in luminous disc 1 plane, form a concentric circumferences 9, its diameter is greater than the diameter of luminous disc 1, in the section of each overwinding rotating shaft, upper and lower two convex mirrors are symmetrical, each convex mirror is identical relative to the subtended angle 10 of respective focus, in this beam condensing unit, rotating convex mirror 2 subtended angle 10 can be set between 30 ° ~ 45 °, can collect that luminous disc 1 sends like this 85% with glazed thread, and upper and lower two convex mirrors are parallel with turning axle 7 with the tangent line of luminous disc 1 circumference joint, when connecting, ensure with luminous disc 1 circumferential seam place closely light tight.Like this, rotation convex mirror effectively can collect the light that luminous disc 1 is launched, and the more important thing is, ensure that light continues to propagate to rotation convex mirror rear end face 11 direction, retrodirective reflection can not return, therefore can not produce harmful effect to light source and luminous disc 1.
Wherein rotate partial paraboloid face mirror 3 to be formed along turning axle 7 rotation by half parabolical part, and in each section para-curve upper and lower Liang Ge branch symmetrical and with same section in rotate convex mirror about 2 two convex mirror branch confocal concentric circumferences 9 respectively, 9 is rotate convex mirror and rotate partial paraboloid face mirror common focus concentric circles, this parabolical end points (namely rotating partial paraboloid face vertex point) is positioned at turning axle 7 and rotates on the intersection point 16 of convex mirror rear end face 11, para-curve often props up arc length and meets following requirement: make the light through respective branches convex lens rear end face edge just be irradiated to another end points place of para-curve, light like this through convex mirror can effectively be collected by rotation partial paraboloid face mirror.
Wherein rotary cone mirror 4 is formed along turning axle 7 rotation by the line segment of certain length, and in each section, upper and lower Liang Ge branch is symmetrical.The requirement of line segment length is: line segment projection on the rotary shaft and rotation partial paraboloid face mirror 3 project on the rotary shaft with para-curve in section and overlap, line segment angle of inclination is 45 °, the light perpendicular to turning axle 7 can be made like this to be reflected into and be parallel to turning axle 7.Note when mounted rotary cone mirror front end face 12 is overlapped with rotation convex mirror rear end face 11, front end face edge height is concordant with rotation mirror rear end face 13 edge, partial paraboloid face.
Wherein rotating paraboloidal mirror 5 is formed along turning axle rotation by the para-curve of a focus on turning axle 7, after this focus 6 is positioned at turning axle 7 and rotates the intersection point 15 of partial paraboloid face mirror rear end face 13, in the section of each overwinding rotating shaft 7, this para-curve edge height is concordant with rotary cone mirror rear end face 14 edge respectively, to guarantee to collect all light being parallel to turning axle 7 reflected through rotary cone mirror 4.
Illustrate the optically focused process of this passage of scintillation light beam condensing unit below.
In combinatorial surface mirror section as shown in Figure 1, in index path 1 in optional two these sections shown in dotted line, these two groups of light that luminous disc 1 sends are after rotating convex mirror 2 and reflecting, be irradiated in two branches up and down in rotation partial paraboloid face 3 respectively, because confocal attribute makes to become light perpendicular to turning axle 7 again after secondary reflection by rotating the branch of the light that reflects of convex mirror 2 through rotating partial paraboloid face mirror 3, upper and lower two groups of light become the light beam being parallel to turning axle 7 after conic mirror 4 reflects, and this light beam converges in focus 6 place after rotating paraboloidal mirror 5 reflects.In like manner, in the arbitrary section of overwinding rotating shaft, the light in it is all converged to focus 6 place through similar light path process, micro photo electric switching device is placed on focus 6 place, can realize efficient photoelectricity treater conversion.
Claims (6)
1. based on the passage of scintillation light beam condensing unit of combinatorial surface mirror, it is characterized in that, comprise luminous disc (1), rotate convex mirror (2), rotate partial paraboloid face mirror (3), rotary cone mirror (4) and rotating paraboloidal mirror (5); Rotate the coaxial compact siro spinning technology of girth such as convex mirror (2) front end face and luminous disc (1), rotate the coaxial installation of convex mirror (2) rear end face and rotate partial paraboloid face mirror (3), the coaxial periphery being installed on paraboloidal mirror (3) of rotary cone mirror (4), rotary cone mirror (4) rear end face coaxially installs paraboloidal mirror (5); The convex surface focus rotating convex mirror (2) is positioned in luminous disc (1) plane, form concentric circumferences (9), its diameter is greater than the diameter of luminous disc (1), in the section of each overwinding rotating shaft, upper and lower two convex mirrors are symmetrical, each convex mirror is identical relative to the subtended angle (10) of respective focus, rotates convex mirror (2) parallel with turning axle (7) with the tangent line of luminous disc (1) circumference joint; Rotate partial paraboloid face (3) to be rotated along turning axle (7) by half parabolical part and form, in each section para-curve upper and lower Liang Ge branch symmetrical and with same section in rotate the upper and lower two convex mirror branches of convex mirror (2) confocal concentric circumferences (9) respectively; Rotary cone mirror (4) is formed along turning axle (7) rotation by a line segment, in each section, upper and lower Liang Ge branch is symmetrical, line segment projection on the rotary shaft and rotation partial paraboloid face mirror (3) project on the rotary shaft with para-curve in section and overlap, and line segment angle of inclination is 45 °.
2. the passage of scintillation light beam condensing unit based on combinatorial surface mirror according to claim 1, is characterized in that, described luminous disc (1) is made up of illuminating column body bottom surface, right cylinder more than basal diameter 10cm, and height of column is 3-5cm.
3. the passage of scintillation light beam condensing unit based on combinatorial surface mirror according to claim 2, is characterized in that, described right cylinder front end face and cylinder, all adopt industrial coating film treatment.
4. the passage of scintillation light beam condensing unit based on combinatorial surface mirror according to claim 1, is characterized in that, described subtended angle (10) is set as 30 °-45 °.
5. the passage of scintillation light beam condensing unit based on combinatorial surface mirror according to claim 1, it is characterized in that, described rotating paraboloidal mirror (5) is formed along turning axle rotation by the para-curve of a focus on turning axle (7), after this focus (6) is positioned at turning axle (7) and rotates the intersection point (15) in partial paraboloid face mirror rear end face (13), in the section of each overwinding rotating shaft (7), this para-curve edge height is concordant with rotary cone mirror rear end face (14) edge respectively.
6. the passage of scintillation light beam condensing unit based on combinatorial surface mirror according to claim 1, it is characterized in that, described rotation convex mirror (2), rotate partial paraboloid face mirror (3), the reflective surface of rotary cone mirror (4) and rotating paraboloidal mirror (5) above-mentioned mirror all carried out industrial coating film treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510163542.5A CN104765061A (en) | 2015-04-01 | 2015-04-01 | Flare light condensing device based on combined mirror |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510163542.5A CN104765061A (en) | 2015-04-01 | 2015-04-01 | Flare light condensing device based on combined mirror |
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| CN104765061A true CN104765061A (en) | 2015-07-08 |
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| CN201510163542.5A Pending CN104765061A (en) | 2015-04-01 | 2015-04-01 | Flare light condensing device based on combined mirror |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177075A (en) * | 1996-09-19 | 1998-03-25 | 杨维纲 | Light condensing device |
| CN101644828A (en) * | 2009-09-01 | 2010-02-10 | 黄建文 | Paraboloidal mirror light-concentration system of replaceable partially reflecting surface |
| CN101726843A (en) * | 2008-10-14 | 2010-06-09 | 程斌 | Concentrator of coaxial confocal rotating paraboloidal mirror |
| CN201637922U (en) * | 2010-03-25 | 2010-11-17 | 黄建文 | Paraboloidal mirror concentrating system with optical guide |
| CN201652196U (en) * | 2009-08-21 | 2010-11-24 | 张昌锐 | Combined multiple-mirror light condensing device |
-
2015
- 2015-04-01 CN CN201510163542.5A patent/CN104765061A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177075A (en) * | 1996-09-19 | 1998-03-25 | 杨维纲 | Light condensing device |
| CN101726843A (en) * | 2008-10-14 | 2010-06-09 | 程斌 | Concentrator of coaxial confocal rotating paraboloidal mirror |
| CN201652196U (en) * | 2009-08-21 | 2010-11-24 | 张昌锐 | Combined multiple-mirror light condensing device |
| CN101644828A (en) * | 2009-09-01 | 2010-02-10 | 黄建文 | Paraboloidal mirror light-concentration system of replaceable partially reflecting surface |
| CN201637922U (en) * | 2010-03-25 | 2010-11-17 | 黄建文 | Paraboloidal mirror concentrating system with optical guide |
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Application publication date: 20150708 |
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