CN103837972A - Repeated refraction light gathering device - Google Patents
Repeated refraction light gathering device Download PDFInfo
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- CN103837972A CN103837972A CN201310669496.7A CN201310669496A CN103837972A CN 103837972 A CN103837972 A CN 103837972A CN 201310669496 A CN201310669496 A CN 201310669496A CN 103837972 A CN103837972 A CN 103837972A
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Abstract
The invention discloses a repeated refraction light gathering device which comprises a refraction light gathering piece, a first reflecting piece and a second reflecting piece. Specifically, the refraction light gathering piece is suitable for gathering sunlight. The first reflecting piece is arranged below the refraction light gathering piece, at least one part of light gathered by the refraction light gathering piece shoots towards the first reflecting piece, and the first reflecting piece is provided with a through hole. The second reflecting piece is arranged above the refraction light gathering piece, the first reflecting piece is suitable for reflecting the at least one part of the light which shoots towards the first reflecting piece from the refraction light gathering piece to the second reflecting piece, and the second reflecting piece is suitable for reflecting the at least one part of the light which is reflected to the second reflecting piece by the first reflecting piece to the through hole. The repeated refraction light gathering device cannot be limited by the longitude and latitude of using sites, and the daylighting need of people at various time periods can be met.
Description
Technical field
The present invention relates to technical field of new energies, particularly one repeatedly reflects light collecting device.
Background technology
Sunshine is the lamp the most typical, energy is the strongest.But up to the present, people rest on and use a seldom part the utilization overwhelming majority of sunlight, sunlight by windowpane, that people is penetrated in skylight is indoor, reaches the effect of illumination and view.This mode is owing to being limited to design and the structure of building, not high to the utilization factor of daylight, and follows building safety problem.Develop sun light lighting, particularly that daylight illuminating system technical meaning of building space restriction that is not subject to is great.Therefore, solar collector can provide clean, healthy illumination sunshine for people, it can utilize the conduction principle of optical fiber sunshine can be incorporated into the place of any needs, this device has been expanded the mankind's production, living space greatly, can be widely used in the industries such as commercial production, building operation, breed of crop aquaculture, warehouse storage industry.
But existing solar collector lighting efficiency is low and need tracker, is unfavorable for the use of sun power.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, one object of the present invention is to propose a kind of simple in structure and without the repeatedly refraction light collecting device that adopts tracker.
According to the repeatedly refraction light collecting device of the embodiment of the present invention, comprising: refraction optically focused part, the first reflecting element and the second reflecting element.Particularly, described refraction optically focused part is suitable for assembling sunshine; Described the first reflecting element is located at the below of described refraction optically focused part, the first reflecting element described at least a portion directive of described refraction optically focused part collected light, and described the first reflecting element has through hole; Described the second reflecting element is located at the top of described refraction optically focused part, described the first reflecting element is suitable at least a portion of the light of the first reflecting element described in described refraction optically focused part directive to reflex to described the second reflecting element, and at least a portion that described the second reflecting element is suitable for described the first reflecting element to reflex to the light of described the second reflecting element reflexes to described through hole.
According to the repeatedly refraction light collecting device of the embodiment of the present invention, collect the sunshine of each angle incident by refraction optically focused part is set, and by the first reflecting element and the second reflecting element, the sunshine of collecting is refracted in a less space, be convenient to collect sunshine.Refraction optically focused part can be assembled sunshine at any angle, therefore, repeatedly reflect light collecting device without adopting tracker can collect the sunshine of different angles, make repeatedly to reflect light collecting device simple in structure, be convenient to produce, and reduced the failure rate that repeatedly reflects light collecting device.This device is not limited by place to use longitude and latitude, can be arranged on the buildings or earth's surface of arbitrary height and different angles, can meet the needs of people's daylighting within the various time periods.
In addition, the light collecting device that repeatedly reflects according to the above embodiment of the present invention, can also have following additional technical characterictic:
According to one embodiment of present invention, described refraction optically focused part has the first optics focal plane, described the first reflecting element has the second optics focal plane overlapping with a part for described the first optics focal plane, and described the second reflecting element has the 3rd optics focal plane overlapping with a part for described the first optics focal plane.Thus, the main light that enters through hole is parallel beam, has reduced the order of reflection of light in transmitting procedure, reduces reflection loss.
According to one embodiment of present invention, have the groove relative with described refraction optically focused part on described the first reflecting element, the wall of described groove is provided with multiple the first reflectings surface, and each described the first reflecting surface all has described the second optics focal plane.Thus, can be convenient to further the first reflecting element the light of refraction optically focused part gathering is converted into parallel beam, and can reduce the area of parallel beam, be convenient to transmission and the use of light, improve the performance that repeatedly reflects light collecting device.
According to one embodiment of present invention, described through hole is located at the bottom of described groove, multiple described the first reflectings surface near or away from the direction of described through hole on interval be arranged on the wall of described groove, and each described the first reflecting surface is all around described through hole.Thus, be convenient to this and repeatedly reflect light collecting device sunshine is imported to through hole, be convenient to the collection of sunshine, improved the efficiency of sunlight collection.
According to one embodiment of present invention, described the second reflecting element has multiple the second reflectings surface on the surface relative with described refraction optically focused part, at least a portion that each the second reflecting surface is all suitable for the first reflecting element to reflex to the light of this second reflecting surface reflexes to described through hole, and each the second reflecting surface all has described the 3rd optics focal plane.Thus, the second reflecting element can be reflected the reflection ray of different angles, and make to be roughly parallel beam through the light beam of the second reflecting element reflection, and dwindled further the area of light beam, improved the performance that repeatedly reflects light collecting device.
According to one embodiment of present invention, described the first reflecting element is integrally formed or is combined by multiple first mirror bodies, and described the second reflecting element is integrally formed or is formed and formed by multiple the second mirror bodies.
According to one embodiment of present invention, described through hole and described the second reflecting element are positioned on the central shaft of described refraction optically focused part.Thus, be convenient to collect the sunshine of different angles incident, improved the performance that repeatedly reflects light collecting device.
According to one embodiment of present invention, axle Rotational Symmetry shape, central plane mirror image symmetric shape or multiaspect image shape centered by described refraction optically focused part.Thus, make to reflect the shape of optically focused part various.
According to one embodiment of present invention, on described the first reflecting element and described the second reflecting element, be respectively equipped with reflective membrane.Thus, improved the refraction effect of the first reflecting element and the second reflecting element.
According to one embodiment of present invention, between described refraction optically focused part and described the first reflecting element, be provided with optical filtering part.Thus, under different applied environments, can suppress the luminous energy of different wave length, improve the usable range that repeatedly reflects light collecting device.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the schematic diagram that repeatedly reflects light collecting device of one embodiment of the present of invention;
Fig. 2 is the schematic diagram of the refraction optically focused part that repeatedly reflects light collecting device of one embodiment of the present of invention;
Fig. 3 is the schematic diagram of first reflecting element that repeatedly reflects light collecting device of one embodiment of the present of invention;
Fig. 4 is the local enlarged diagram that Fig. 3 centre circle shows A;
Fig. 5 is the schematic diagram of second reflecting element that repeatedly reflects light collecting device of one embodiment of the present of invention;
Fig. 6 is the local enlarged diagram that Fig. 5 centre circle shows B;
Fig. 7 be one embodiment of the present of invention repeatedly reflect in light collecting device light through the schematic diagram of superrefraction optically focused part and the first reflecting element;
Fig. 8 be one embodiment of the present of invention repeatedly reflect in light collecting device light through the schematic diagram of superrefraction optically focused part and the second reflecting element;
Fig. 9 is repeatedly refraction light collecting device and the light path schematic diagram of one embodiment of the present of invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
The present invention is directed to the problems such as the lighting efficiency existing in existing solar light collection and transmitting device is not high, lighting efficiency is extremely low while needing directed tracing and the incident of sunshine low-angle, propose a kind of implementation.The object of this scheme is to provide one repeatedly to reflect light collecting device, and it utilizes refraction and the principle of reflection of light, is improved the lighting efficiency of system and is avoided using tracker by the structure of flexible design device.
Describe with reference to the accompanying drawings the repeatedly refraction light collecting device of the embodiment of the present invention in detail.
As shown in Figures 1 to 9, according to the repeatedly refraction light collecting device of the embodiment of the present invention, comprising: refraction optically focused part 1, the first reflecting element 2 and the second reflecting element 3.
Particularly, refraction optically focused part 1 is suitable for assembling sunshine, in other words, reflects optically focused part 1 for converging parallel rays, and makes light have certain subtended angle, and this refraction optically focused part 1 can be assembled the sunshine of diverse location different time.The first reflecting element 2 is located at the below of refraction optically focused part 1, and at least a portion directive first reflecting element 2, the first reflecting elements 2 of refraction optically focused part 1 collected light have through hole 21.The second reflecting element 3 is located at the top of refraction optically focused part 1, the first reflecting element 2 is suitable at least a portion of the light of refraction optically focused part 1 directive the first reflecting element 2 to reflex to the second reflecting element 3, at least a portion that the second reflecting element 3 is suitable for the first reflecting element 2 to reflex to the light of the second reflecting element 3 reflexes to through hole 21, in other words, sunshine is after refraction optically focused part 1 is assembled, directive the first reflecting element 2, the light reflection that the first reflecting element 2 is assembled refraction optically focused part 1, the optics that the first reflecting element 2 reflects through superrefraction optically focused part 1 by directive the second reflecting element 3, the second reflecting element 3 is by the first its optical reflection of reflecting element 2 directives, through the reflex of the second reflecting element 3, light is directive through hole 21 after superrefraction optically focused part 1.
According to the repeatedly refraction light collecting device of the embodiment of the present invention, by being set, refraction optically focused part 1 collects the sunshine of each angle incident, and by the first reflecting element 2 and the second reflecting element 3, the sunshine of collecting is refracted in a less space, be convenient to collect sunshine.Refraction optically focused part 1 can be assembled sunshine at any angle, therefore, repeatedly reflect light collecting device without adopting tracker can collect the sunshine of different angles, make repeatedly to reflect light collecting device simple in structure, be convenient to produce, and reduced the failure rate that repeatedly reflects light collecting device.This device is not limited by place to use longitude and latitude, can be arranged on the buildings or earth's surface of arbitrary height and different angles, can meet the needs of people's daylighting within the various time periods.
According to one embodiment of present invention, refraction optically focused part 1 has the first optics focal plane, the first reflecting element 2 has the second optics focal plane overlapping with a part for described the first optics focal plane, and the second reflecting element 3 has the 3rd optics focal plane overlapping with described the second optics focal plane.In other words, the first reflecting element 2 has the second optics focal plane (not shown), and described the second optics focal plane overlaps with a part for described the first optics focal plane.In other words, the second optics focal plane is positioned on the first optics focal plane, again or say that the second optics focal plane overlaps with the first optics focal plane.The light beam that refraction optically focused part 1 is assembled enters the first reflecting element 2, because the second optics focal plane overlaps with a part for the first optics focal plane, therefore, the light converging through superrefraction optically focused part 1 will be reflected into the light beam that area is less and cardinal principle is parallel by the first reflecting element 2, amassing the less parallel light beam of cardinal principle below through the first reflecting element 2 reflections will converge through superrefraction optically focused part 1, then these light can be assembled again by refraction optically focused part 1, and directive the second reflecting element 3, because the 3rd optics focal plane overlaps with a part for the first optics focal plane, therefore, the second reflecting element 4 is reflected at this light beam that area further reduces and cardinal principle is parallel by light, the light beam reflecting through the second reflecting element 4 enters refraction optically focused part 1 at this, directive through hole 21 after superrefraction optically focused part 1 converges.Thus, reduce the area of the light beam that enters through hole 21, be convenient to the collection of light beam, improved the collection efficiency to sunshine.
Further, as shown in Figures 1 to 4, on the first reflecting element 2, have the groove 22 relative with refraction optically focused part 1, have multiple the first reflectings surface 201 on the wall of groove 22, each the first reflecting surface 201 all has the second optics focal plane overlapping with a part for described the first optics focal plane.Thus, can be convenient to further the light that the first reflecting element 2 assembles refraction optically focused part 1 and be converted into parallel beam, and can reduce the area of parallel beam, be convenient to transmission and the use of light, improve the performance that repeatedly reflects light collecting device.
Advantageously, the first reflecting element 2 also comprises the first joint face 202 that connects multiple the first reflectings surface 201 as shown in Figure 4.
Further, as shown in figures 1 and 3, through hole 21 is located at the bottom of groove 22, multiple the first reflectings surface 201 near or away from the direction of through hole 21 (direction C) as shown in Figure 3 or Figure 4, upper interval is arranged on the wall of groove 22, and each the first reflecting surface 201 is all around through hole 21.Thus, be convenient to this and repeatedly reflect light collecting device sunshine is imported to through hole 21, be convenient to the collection of sunshine, improved the efficiency of sunlight collection.
Further, as shown in Figure 4, the first reflecting surface 201 is molded non-planar, and the rotary middle spindle of this molded non-planar the first reflecting surface 201 overlaps with the central shaft of refraction optically focused part 1, and described molded non-planar can be shape and their combination such as class parabola, class ellipsoid.Thus, make the simple in structure of the first reflecting surface 201, be convenient to repeatedly reflect moulding and the production of light collecting device, improved and repeatedly reflected the production efficiency of light collecting device and reduce costs.In addition further reduced, the area of parallel beam.
Advantageously, in examples more of the present invention, the first reflecting element 2 is integrally formed.Thus, make the simple in structure of the first reflecting element 2, be convenient to produce, improved production efficiency.
In addition,, in other examples of the present invention, the first reflecting element 2 is combined by multiple first mirror bodies.Thus, to the independent moulding of the reflecting surface of each first mirror body, improved the reflecting effect of the first reflecting element 2.
Further, as shown in Figure 5 and Figure 6, the second reflecting element 3 has multiple the second reflectings surface 301 on the surface relative with refraction optically focused part 1, at least a portion that each the second reflecting surface 301 is all suitable for the first reflecting element 2 to reflex to the light of this second reflecting surface 301 reflexes to through hole 21, and each the second reflecting surface 301 all has described the 3rd optics focal plane.In other words, on the surface of the second reflecting element 3, there is light reflection that multiple the second reflecting surface 301, the second reflectings surface 301 are suitable for the first reflecting surface 201 to reflex to the second reflecting surface 301 to through hole 21.Thus, the second reflecting element 3 can be reflected the reflection ray of different angles, and make the light beam reflecting through the second reflecting element 3 be roughly parallel beam, and dwindled further the area of light beam, improved the performance that repeatedly reflects light collecting device.
Advantageously, as shown in Figure 6, the second reflecting element 3 also comprises the second joint face 302 that connects multiple the second reflectings surface 301.
Advantageously, as shown in Figure 6, the second reflecting surface 301 is molded non-planar, and this nonplanar rotary middle spindle overlaps with the central shaft of refraction optically focused part 1, and described molded non-planar is class parabolic shape, class ellipsoid shape etc. and combines.Thus, make the simple in structure of the second reflecting surface 301, be convenient to repeatedly reflect moulding and the production of light collecting device, improved and repeatedly reflected the production efficiency of light collecting device and reduce costs.
In one embodiment of the invention, the second reflecting element 3 for bus be the surface of revolution that curve and turning axle overlap with the central shaft of refraction optically focused part 1.Thus, make the simple in structure of the second reflecting element 3, be convenient to moulding.
Particularly, the second reflecting element 3 comprises multiple the second reflectings surface 301 and the second joint face 302 that is connected multiple the second reflectings surface 301, each the second reflecting surface 301 all has the 3rd optics focal plane, and each the second reflecting surface 301 to be bus be the surface of revolution that straight line or curve and turning axle overlap with the central shaft of through hole 21.
In addition, in some embodiments of the invention, the second reflecting element 3 is integrally formed, and can reduce the production cost of the second reflecting element 3.And the second reflecting element 3 can also be formed and be formed by multiple the second mirror bodies, for improving precision and the refraction effect of the second reflecting element 3.Thus, make the second reflecting element 3 simple in structure, and there is multiple molding mode, for different precision or cost requirement, can adopt different molding modes, improved the diversity that repeatedly reflects light collecting device.
As shown in Figure 1, in some embodiments of the invention, through hole 21 and the second reflecting element 3 are positioned on the central shaft of refraction optically focused part 1.Thus, be convenient to collect the sunshine of different angles incident, improved the performance that repeatedly reflects light collecting device.
Further, as shown in Figure 2, in some embodiments of the invention, axle Rotational Symmetry shape, central plane mirror image symmetric shape or multiaspect image shape centered by refraction optically focused part 1.Thus, make to reflect the shape of optically focused part 1 various.
In addition, on the first reflecting element 2 and the second reflecting element 3, be respectively equipped with reflective membrane, in other words, on the first reflecting element 2 and the second reflecting element 3, be respectively equipped with the film of being made by reflectorized material.Thus, improved the refraction effect of the first reflecting element 2 and the second reflecting element 3.
Advantageously, in some embodiments of the invention, between refraction optically focused part 1 and the first reflecting element 2, be provided with optical filtering part (not shown), for adjusting light path and suppressing specific wavelength luminous energy.Thus, under different applied environments, can suppress the luminous energy of different wave length, improve the usable range that repeatedly reflects light collecting device.
The present invention compared with prior art, without any need for tracker, mobile mechanical part, reliability and the serviceable life of having improved greatly system are avoided adopting, be conducive to reduce repeatedly to reflect design complexities, the volume and weight of light collecting device, save rapidoprint and construction cost.
In addition, the present invention has removed monitoring and the control circuit system for following the tracks of, and has reduced the additional-energy consumption that repeatedly reflects light collecting device, has promoted the energy efficiency when repeatedly reflecting light collecting device and being applied to concrete system, has greatly saved operation and maintenance cost.
Technology contents of the present invention has wide-angle and receives the characteristic of sunshine, can only receive low-angle light beam with existing device compared with, improved light beam incident and repeatedly reflected the system effectiveness of light collecting device; And overcome and the technical barrier of altitude of the sun and theta alignment, realized the high-level efficiency of wide-angle light beam and assembled.
In addition, wide-angle receiving ability is increased the working time and the applicable date that repeatedly reflect light collecting device greatly, can meet morning and evening time period sunshine along the reception of ground level incident and assemble requirement, expand the working time that repeatedly reflects light collecting device, and be applicable to the environment for use of different altitude of the suns throughout the year, without artificially calibrating.Not limited by place to use longitude and latitude, can be arranged on the buildings or earth's surface of arbitrary height and different angles, can meet the needs of people's daylighting in various territorial environments, and not need to carry out particular design, processing and installation according to region.
Simple structure and the principle of describing a specific embodiment of the present invention with reference to the accompanying drawings.
Referring to Fig. 1 to Fig. 9, at least comprise according to the device for sunlight collection of the embodiment of the present invention: refraction optically focused part 1, the first reflecting element 2 and the second reflecting element 3.
Wherein reflect optically focused part 1 adopt each to symmetrical sphere structure, its optics focal plane be near sphere and with the fixing quadric surface of spherical distance.
Wherein the first reflecting element 2 adopts multiple rotation class parabolic mirror compositions, its rotary middle spindle overlaps with the central shaft of refraction optically focused part 1, each class parabolic mirror also can be formed by connecting by multiple less class parabolas, the vicissitudinous curvature of each class parabola tool but be combined into continuous focal plane, overlap completely with the fixing focal plane of refraction optically focused part 1, also can just partially overlap.
Wherein the second reflecting element 3 also adopts multiple rotation class parabolic mirror compositions, each class parabolic mirror also can be made up of multiple less class parabolas, each class parabola has the curvature of variation but is combined into continuous focal plane, overlaps with the varifocal face portion of the first reflecting element 2.
The above-mentioned light collecting device that repeatedly reflects all adopts colourless light transmissive material to process with composition structure, according to glass or the transparent medium of the conventional visible light wave range of refractive index choice for use, can use injection moulding mode to process, the smooth surface of each structure meets total reflection requirement, the equal evaporation highly reflective material of reflecting surface of the first reflecting element 2 and the second reflecting element 3, as aluminium film, forms mirror surface.
The primary structure repeatedly reflecting in light collecting device overlaps and requires to determine relative position according to focal plane, and utilizes non-logical light face support and fix.Wherein reflect optically focused part 1 and be suspended on the top area repeatedly reflecting in light collecting device, and be fixed on the second reflecting element 3, the below that the first reflecting element 2 is fixed on refraction optically focused part 1 according to status requirement receives the light beam of its outgoing.
In the time that the sunshine of a certain height and angle is incident to refraction optically focused part 1, light beam will be assembled by refraction optically focused part 1 on its focal plane, and incide on the class parabolic mirror of the first reflecting element 2.Because the focal plane of said structure overlaps, therefore reflected light will be propagated along specific direction, and for the second time after superrefraction optically focused part 1 on the class parabolic mirror of directive the second reflecting element 3.Equally due to the second reflecting element 3 characteristic that overlaps with the focal plane that reflects optically focused part 1, the light beam that incides the second reflecting element 3 will be propagated along specific direction, through the reflection of the second reflecting element 3, light will be for the third time through superrefraction optically focused part 1, and inject through hole 21 after refraction optically focused part 1 is assembled, realize the collection of light beam.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention in the situation that not departing from principle of the present invention and aim, modification, replacement and modification.
Claims (10)
1. repeatedly reflect a light collecting device, it is characterized in that, comprising:
Refraction optically focused part, described refraction optically focused part is suitable for assembling sunshine;
The first reflecting element, described the first reflecting element is located at the below of described refraction optically focused part, the first reflecting element described at least a portion directive of described refraction optically focused part collected light, described the first reflecting element has through hole;
The second reflecting element, described the second reflecting element is located at the top of described refraction optically focused part, described the first reflecting element is suitable at least a portion of the light of the first reflecting element described in described refraction optically focused part directive to reflex to described the second reflecting element, and at least a portion that described the second reflecting element is suitable for described the first reflecting element to reflex to the light of described the second reflecting element reflexes to described through hole.
2. the light collecting device that repeatedly reflects according to claim 1, it is characterized in that, described refraction optically focused part has the first optics focal plane, described the first reflecting element has the second optics focal plane overlapping with a part for described the first optics focal plane, and described the second reflecting element has the 3rd optics focal plane overlapping with a part for described the first optics focal plane.
3. the light collecting device that repeatedly reflects according to claim 1 and 2, it is characterized in that, on described the first reflecting element, have the groove relative with described refraction optically focused part, the wall of described groove is provided with multiple the first reflectings surface, and each described the first reflecting surface all has described the second optics focal plane.
4. the light collecting device that repeatedly reflects according to claim 3, it is characterized in that, described through hole is located at the bottom of described groove, multiple described the first reflectings surface near or away from the direction of described through hole on interval be arranged on the wall of described groove, and each described the first reflecting surface is all around described through hole.
5. the light collecting device that repeatedly reflects according to claim 2, it is characterized in that, described the second reflecting element has multiple the second reflectings surface on the surface relative with described refraction optically focused part, at least a portion that each the second reflecting surface is all suitable for the first reflecting element to reflex to the light of this second reflecting surface reflexes to described through hole, and each the second reflecting surface all has described the 3rd optics focal plane.
6. according to the repeatedly refraction light collecting device described in any one in claim 1-5, it is characterized in that, described the first reflecting element is integrally formed or is combined by multiple first mirror bodies, and described the second reflecting element is integrally formed or is formed and formed by multiple the second mirror bodies.
7. according to the repeatedly refraction light collecting device described in any one in claim 1-6, it is characterized in that, described through hole and described the second reflecting element are positioned on the central shaft of described refraction optically focused part.
8. according to the repeatedly refraction light collecting device described in any one in claim 1-7, it is characterized in that axle Rotational Symmetry shape, central plane mirror image symmetric shape or multiaspect image shape centered by described refraction optically focused part.
9. according to the repeatedly refraction light collecting device described in any one in claim 1-8, it is characterized in that, on described the first reflecting element and described the second reflecting element, be respectively equipped with reflective membrane.
10. according to the repeatedly refraction light collecting device described in any one in claim 1-9, it is characterized in that, between described refraction optically focused part and described the first reflecting element, be provided with optical filtering part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669496.7A CN103837972B (en) | 2013-12-10 | 2013-12-10 | Repeated refraction light gathering device |
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| CN201310669496.7A CN103837972B (en) | 2013-12-10 | 2013-12-10 | Repeated refraction light gathering device |
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| CN103837972A true CN103837972A (en) | 2014-06-04 |
| CN103837972B CN103837972B (en) | 2017-05-17 |
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| CN201310669496.7A Active CN103837972B (en) | 2013-12-10 | 2013-12-10 | Repeated refraction light gathering device |
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| CN103837972B (en) | 2017-05-17 |
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