CN103104882B - Light three-dimensional tracking collection device - Google Patents
Light three-dimensional tracking collection device Download PDFInfo
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- CN103104882B CN103104882B CN201310019621.XA CN201310019621A CN103104882B CN 103104882 B CN103104882 B CN 103104882B CN 201310019621 A CN201310019621 A CN 201310019621A CN 103104882 B CN103104882 B CN 103104882B
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Abstract
The invention discloses a light three-dimensional tracking collection device which comprises light tracking units. Each light tracking unit comprises a reflective mirror and a swing mechanism, wherein the reflective mirror is arranged on the swing mechanism, and has freedom degrees for rotating around a swing axis on the swing mechanism. A 45-degree included angle is formed between the swing axis and the mirror face of the reflective mirror, and at least two stages of light tracking units are connected in a combining mode. The mirror faces of the reflective mirrors of adjacent two stages of the light tracking units are opposite, and the swing axes of the mirror faces of the reflective mirrors are perpendicular to each other. The pre-stage light tracking unit rotates along with a reflective mirror of the post-stage light tracking unit. The light three-dimensional tracking collection device can flexibly adapt to changes of light source positions or target positions, meanwhile avoids light attenuation, and can realize remote transmission of light in a mass mode.
Description
Technical field
The present invention relates to optical devices technologies field, particularly can gather light and change the light harvester of its travel path.
Background technology
As everyone knows, on the earth, most energy directly or indirectly comes from the sun, comprises wind energy, water energy, biological energy source and various fossil energy.Must loss be brought due to the conversion between the energy thus reduce efficiency of energy utilization, therefore how better utilizing solar energy to become the fundamental way solving energy problem.
At present, for the utilization of solar energy mainly concentrate on convert solar energy into electrical energy with heat energy after recycle, this utilization must cause a large amount of energy losses, causes inefficiency.
For the most basic illuminating effect of solar energy, be yet in and very original directly utilize the stage.Such as present teaching building, the classroom of sunny side needs to draw the curtain together to prevent from being exposed to the sun and dazzle, and the classroom of the back then needs to open light fixture just can provide sufficient light.
Now commercially there is a small amount of product can provide direct collection and the utilization of sunlight, as " solar light cultivated illumination introducing apparatus for building " that publication number is CN101373240A disclosed in application for a patent for invention Publication Specification, application publication number is the application for a patent for invention disclosed " prism type sunlight guide device " of CN102537816A, and Authorization Notice No. is utility model patent description disclosed " solar energy light collecting mirror " of CN2504565Y etc.
These devices can be divided into three major types type substantially, the first kind directly utilizes lighting tube technology, Equations of The Second Kind utilizes convex lens optical fiber combination technology, 3rd class utilizes lens type daylighting leading-in technique, the decay of ubiquity transmitting procedure is larger, cannot carry light in a large number at a distance, market accepts the defects such as difficulty.
Wherein, lighting tube technology cheap and simple the most, application is also extensive, but owing to being completely passive daylighting way, the continuous change of the method reply position of sun that there is no, therefore light unit length decay in communication process is the most serious; Although convex lens optical fiber combination technology is comparatively ripe comparatively speaking, unit cost is also the highest; Lens type daylighting leading-in technique, there is major defect in principle, and original idea utilizes prism to reflect to change light path, and prism is comparatively serious to the dispersion interaction of light, causes cost-effective fruit poor.
Based on this, except day optical acquisition device, also there is similar defect in the light harvester of other optical fields.
Therefore, how enabling light harvester adapt to the change of light source position, and avoid light attenuation as much as possible, thus realize carrying light in a large number at a distance, is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of this invention is to provide a kind of light three-dimensional and follow the trail of harvester.This device structurally can the change of flexible adaptation light source position or target location, can avoid light attenuation simultaneously, can realize carrying light in a large number at a distance.
To achieve these goals, the invention provides a kind of light three-dimensional and follow the trail of harvester, comprising:
Ray tracing unit, it comprises reflective mirror and slew gear;
Described slew gear is located at by described reflective mirror, and on described slew gear, have the free degree rotated around its axis of rotation, and the angle of described axis of rotation and reflective mirror minute surface is 45 °;
At least ray tracing unit combination described in two-stage connects, and the reflective mirror minute surface of adjacent two-stage ray tracing unit is relative, and both axiss of rotation are mutually vertical, and prime ray tracing unit is in company with the reflective mirror rotation of rear class ray tracing unit.
Preferably, described slew gear comprises:
Rotor, it installs described reflective mirror by support member;
Stator, is interconnected to form revolute with described rotor.
Preferably, described rotor and stator are all in hollow-core construction, and its inside has path channels.
Preferably, described rotor and stator are all in annular, and both are mutually engaged and are rotatably connected.
Preferably, the occlusion structure of described rotor and stator comprises:
First ring connected in star, is located at the outer circumference surface of described rotor, along being highly greater than lower edge on it;
Second annular groove, is located at the inner peripheral surface of described stator, along being highly less than lower edge on it;
The lower edge of described first ring connected in star embeds described second annular groove;
The upper edge of described second annular groove embeds described first ring connected in star.
Preferably, described stator is split-type structural, and the end of two semicircular body connects.
Preferably, the end of two semicircular body of described stator is welded mutually, rivets, glueds joint or is bolted.
Preferably, described rotor is rotating shaft, and the axis of rotation of its center line and described reflective mirror coincides;
Described stator is the bearing installing described rotating shaft.
Preferably, the axis of rotation of described slew gear at different levels is all through its reflective mirror.
Preferably, described ray tracing unit at different levels is equipped with driving mechanism;
The power set of described driving mechanism drive the reflective mirror on described slew gear to rotate when regulating by drive disk assembly.
Preferably, comprise ray tracing control system further, its controller is according to the ray position data set or detect, and computing draws the mirror position at different levels corresponding to optimal light line reflection path;
Described controller outputs control signals to described power set, drives described reflective mirror to rotate to work location by described power set.
Light three-dimensional provided by the present invention follows the trail of harvester, connected and composed by least two-stage ray tracing unit combination, the reflective mirror of ray tracing unit at different levels all can rotate centered by the axis of rotation of its slew gear, the reflective mirror minute surface of adjacent two-stage ray tracing unit is relative, axis of rotation is mutually vertical, and prime ray tracing unit is in company with the reflective mirror rotation of rear class ray tracing unit, light enters from the light face of entering of first order ray tracing unit, after the reflective mirror continuous reflection of described ray tracing unit at different levels, export from the exiting surface of afterbody ray tracing unit.
This reflective structure that can independently rotate step by step, solid space at least has two frees degree, by rotating reflective mirror at different levels, be adjusted to different positions, the best reflective mirror combination needed for reality can be obtained, any direction within the scope of all skies can be covered because it enters light or light direction, therefore, it is possible to adapt to the change of light source position or target location very neatly, can for changing light path in the every profession and trade of optical field.Such as, when it is for gathering sunlight, maximum daylighting state can be in all the time by regulating, thus make solar energy be more prone to utilize, there is very wide application prospect.
In addition, the angle of reflective mirror and axis of rotation is 45 °, according to reflection law, when light is irradiated on reflective mirror with 45 ° of incidence angles, will reflect with 45° angle, thus twice or more ground right angle reflection ray continuously, change its travel path, owing to being total reflection, therefore can avoiding light attenuation, can realize carrying light in a large number at a distance.
Accompanying drawing explanation
Fig. 1 is the structural representation that light three-dimensional provided by the present invention follows the trail of the first detailed description of the invention of harvester;
Fig. 2 is the sectional view of the tracking of light three-dimensional shown in Fig. 1 harvester;
Fig. 3 is the axonometric drawing of rotor described in Fig. 2;
Fig. 4 is the sectional view of rotor shown in Fig. 2;
Fig. 5 is the axonometric drawing of stator shown in Fig. 2;
Fig. 6 is the sectional view of stator shown in Fig. 5;
The axonometric drawing that Fig. 7 matches with stator for rotor shown in Fig. 1;
Fig. 8 is the sectional view of Fig. 7;
Fig. 9 is the structural representation that light three-dimensional provided by the present invention follows the trail of the second detailed description of the invention of harvester;
Figure 10 is the structural representation that light three-dimensional provided by the present invention follows the trail of the third detailed description of the invention of harvester;
Figure 11 is the structural representation that light three-dimensional provided by the present invention follows the trail of the 4th kind of detailed description of the invention of harvester.
In figure:
1. one-level ray tracing unit 2. secondary light tracing unit 3. reflective mirror 3-1. one-level reflective mirror 3-2. secondary reflective mirror 4. slew gear 4-1. rotor 4-1-1. first ring connected in star 4-2. stator 4-2-1. second annular groove 5. support 5-1. first support 5-2. second support 6. axis of rotation 7. enters light face 8. exiting surface 9. motor worm gear system 10. balance weight
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 2, Fig. 1 is the structural representation that light three-dimensional provided by the present invention follows the trail of the first detailed description of the invention of harvester; Fig. 2 is the sectional view of the tracking of light three-dimensional shown in Fig. 1 harvester.
In a kind of detailed description of the invention, light three-dimensional provided by the invention is followed the trail of harvester and is made up of two-stage ray tracing unit, is respectively one-level ray tracing unit 1 and secondary light tracing unit 2.
Ray tracing unit at different levels is formed primarily of parts such as reflective mirror 3, slew gears 4, reflective mirror 3 is in plane, it can be silver-plated flat glass, there is speculum or the plastic lens of smooth surface, also can be optical total-reflection mirror etc., its shape is also not limited to the circle shown in figure, can also be other shapes such as square, rectangle, polygon or ellipse.
Reflective mirror 3 is arranged on slew gear 4 by support 5, and on slew gear, reflective mirror 3 has the free degree that wraparound shaft axis 6 rotates within the scope of 360 °, and axis of rotation 6 is 45 ° with the angle of reflective mirror minute surface, and passes the geometric center of reflective mirror 3.
One-level ray tracing unit 1 is relative with the reflective mirror minute surface of secondary light tracing unit 2, both axiss of rotation 6 are mutually vertical, and one-level ray tracing unit 1 is servo-actuated in the reflective mirror 3 of secondary light tracing unit, namely, when the reflective mirror 3 of secondary light tracing unit rotates, one-level ray tracing unit 1 together can rotate with it on the whole.
For ease of describing, here the face called after that ray tracing unit glazed thread vertically enters from the external world is entered light face 7, correspondingly, light is from the face called after exiting surface 8 that internal vertical reflects away, enter light face 7 and exiting surface 8 is virtual reference plane, its position is mutually vertical.
As shown in the figure, reflective mirror 3 with enter angle all at 45 °, light face 7, light, from entering after light face 7 enters, is radiated on reflective mirror 3 with 45 ° of incidence angles, according to reflection law, reflects away with 45 ° of angles of reflection from exiting surface 8.
Please refer to Fig. 3 to Fig. 8, Fig. 3 is the axonometric drawing of rotor described in Fig. 2; Fig. 4 is the sectional view of rotor shown in Fig. 2; Fig. 5 is the axonometric drawing of stator shown in Fig. 2; Fig. 6 is the sectional view of stator shown in Fig. 5; The axonometric drawing that Fig. 7 matches with stator for rotor shown in Fig. 1; Fig. 8 is the sectional view of Fig. 7.
As shown in the figure, slew gear 4 is structurally formed primarily of rotor 4-1 and stator 4-2, and rotor 4-1 and stator 4-2 is interconnected to form revolute, and reflective mirror 3 is arranged on rotor 4-1 by support 5.
Rotor 4-1 and stator 4-2 is all in hollow-core construction, and its inside has path channels.
Particularly, rotor 4-1 and stator 4-2 is all in annular, and rotor 4-1 is inserted in that stator 4-2 is inner, and both are mutually engaged and are rotatably connected, and the outer circumference surface of rotor 4-1 is provided with its upper edge of first ring connected in star 4-1-1 and is highly greater than lower edge; The inner peripheral surface of stator 4-2 is provided with the second annular groove 4-2-1, along being highly less than lower edge on it; First ring connected in star 4-1-1's is lower to embedding the upper along embedding first ring connected in star 4-1-1 of the second annular groove 4-2-1, the second annular groove 4-2-1, so just realizes occlusion mutually.
Certainly, except occlusion mode, additional mode such as hoop cover etc. also can be adopted to realize being rotatably connected of rotor 4-1 and stator 4-2.
For ease of producing and assembling, stator 4-2 can be designed to split-type structural, the end of two semicircular body is provided with connection journal stirrup, and is connected by bolt, also can be connected by welding, riveted joint or bonding mode.
Ray tracing unit at different levels is equipped with driving mechanism, is rotated by drive disk assembly rotor driven by the power set of driving mechanism relative to stator.Such as, rotor 4-1 can rotate under the effect of motor worm gear system 9 on stator 4-2, and motor can be arranged on rotor 4-1 and also can be arranged on stator 4-2.
Support 5 is the syndeton of slew gear 4 and reflective mirror 3, its effect is the plane making the exiting surface 8 of reflective mirror 3 be parallel to rotor 4-1 place, and make light pass rotor 4-1, reflective mirror 3 is arranged on support 5, support 5 is arranged on rotor 4-1 together with reflective mirror 3, like this, reflective mirror 3 just can rotate in company with rotor 4-1 together.
Slew gear 4 and reflective mirror 3 form ray tracing unit under the connection function of support 5, two-stage ray tracing unit is through being connected, what make the stator bottom surface of one-level ray tracing unit 1 be connected to secondary light tracing unit 2 enters on light face, make light after the stator by one-level ray tracing unit 1, become the incident light of secondary light tracing unit 2, final formation light three-dimensional follows the trail of harvester, when it being used for gathering sunray, just becomes daylight collecting device.
During work, light enters from the light face of entering of one-level ray tracing unit 1, after one-level reflective mirror and secondary reflective mirror continuous reflection, exports from the exiting surface of secondary light tracing unit 2.
This reflective structure that can independently rotate step by step, solid space has two frees degree, namely horizontal 360 ° and longitudinally 360 °, by rotating reflective mirror at different levels, be adjusted to different positions, the best reflective mirror combination needed for reality can be obtained, any direction within the scope of all skies can be covered because it enters light or light direction, therefore, it is possible to adapt to the change of light source position very neatly, all the time maximum daylighting state can be in, optical field every profession and trade can be met (as day light collector, periscope, telescope, camera lens, luminous energy transmission and optical signal transmission etc.) actual daylighting need.
Reflective mirror 3 is 45 ° with the angle of its axis of rotation 4, according to reflection law, when light is irradiated on reflective mirror with 45 ° of incidence angles, to reflect with 45° angle, thus twice or more ground right angle reflection ray continuously, change its travel path, owing to being total reflection, therefore can avoid light attenuation, can realize carrying light in a large number at a distance.
Certainly, according to actual needs, three grades, the ray tracing unit of level Four or more level can also be set, for three grades, one, secondary light tracing unit are jointly servo-actuated in the reflective mirror of three grades of ray tracing unit, one-level ray tracing unit is servo-actuated in the reflective mirror of secondary light tracing unit, and the reflective mirror of one-level ray tracing unit rotates separately.
Harvester is followed the trail of owing to adopting the light three-dimensional of two-stage ray tracing unit composition, can catch the light of any direction within the scope of solid space, therefore in the ordinary course of things, two-stage ray tracing unit just can meet instructions for use, it may be used for the light end of various optical device, so that the change according to incident light adjusts, also may be used for beam projecting end, to adjust outgoing light direction.
Please refer to Fig. 9, Fig. 9 is the structural representation that light three-dimensional provided by the present invention follows the trail of the second detailed description of the invention of harvester.
As shown in the figure, this light three-dimensional is followed the trail of harvester and is had altogether four ray tracing unit, wherein front two-stage ray tracing unit is identical with above-mentioned detailed description of the invention, rear two-stage ray tracing unit is also identical with above-mentioned detailed description of the invention, the stator 4-2 of both secondary light tracing units connects, one is used as light end, and another one is used as beam projecting end.
Visible, utilize light three-dimensional provided by the present invention to follow the trail of harvester, various different Combination application mode can be designed.
Please refer to Figure 10, Figure 10 is the structural representation that light three-dimensional provided by the present invention follows the trail of the third detailed description of the invention of harvester.
As shown in the figure, this light three-dimensional is followed the trail of harvester and is made up of two-stage ray tracing unit, be respectively one-level ray tracing unit and secondary light tracing unit, wherein the slew gear of secondary light tracing unit is made up of rotor 4-1 and stator 4-2, rotor 4-1 and stator 4-2 is annular, middle part is light channel, and secondary reflective mirror 3-2 is set up in the eccentric position above rotor 4-1 by the second support 5-2, can rotate around vertical axis of rotation.
One-level reflective mirror 3-1 is arranged on the opposite side of rotor 4-1 by the first support 5-1, and its minute surface is relative with secondary reflective mirror 3-2, and can rotate around lateral rotation axis on the first support 5-1, the first support other end is provided with counterweight, to keep stress balance.
The axis of rotation of I and II ray tracing unit is mutually vertical, and one-level ray tracing unit is servo-actuated in secondary reflective mirror 3-2, namely when secondary reflective mirror 3-2 rotates, one-level ray tracing unit together can rotate with it on the whole, and one-level reflective mirror 3-1 can rotate separately, its operation principle and beneficial effect with reference to above, can not repeat them here.
Please refer to Figure 11, Figure 11 is the structural representation that light three-dimensional provided by the present invention follows the trail of the 4th kind of detailed description of the invention of harvester.
As shown in the figure, this light three-dimensional is followed the trail of harvester and is made up of two-stage ray tracing unit, be respectively one-level ray tracing unit and secondary light tracing unit, its slew gear is made up of rotor 4-1 and stator 4-2, rotor 4-1 is rotating shaft, the axis of rotation of its center line and reflective mirror coincides, stator 4-2 is the bearing installing rotating shaft, rotating shaft and bearing are all positioned at the back side of reflective mirror, the bearing of one-level ray tracing unit is connected to the rotating shaft of secondary light tracing unit, and ray tracing unit at different levels is equipped with balance weight 10.
The axis of rotation of I and II ray tracing unit is mutually vertical, and one-level ray tracing unit is servo-actuated in secondary reflective mirror 3-2, namely when secondary reflective mirror 3-2 rotates, one-level ray tracing unit together can rotate with it on the whole, and one-level reflective mirror 3-1 can rotate separately, the 3rd reflective mirror arranged in addition in figure is used for changing light course further, and its operation principle and beneficial effect with reference to above, can not repeat them here.
Certainly, it is only several preferred version that above-mentioned light three-dimensional follows the trail of harvester, is specifically not limited thereto, can makes pointed adjustment according to actual needs on this basis, thus obtain different embodiments.Such as, slew gear is designed to other forms, or reflective mirror is connected etc. with slew gear by miscellaneous part.Because mode in the cards is more, just illustrate no longer one by one here.
For realizing automatic adjustment, follow the trail of on the basis of harvester in above light three-dimensional, can arrange ray tracing control system, its controller can according to setting or the ray position data detected, and computing draws the mirror position at different levels corresponding to optimal light line reflection path.
Then, controller outputs control signals to power set, drives reflective mirror to rotate to work location by power set.
Such as, if the change of light source position has certain rule, then reflective mirror can regulate according to the program preset, if the change of light source position does not have rule, then can pass through light sensor detection light source position, according to the positional information detected, calculate the position that each reflective mirror should be residing, then send control signal to regulate step by step, finally drive each reflective mirror to be rotated in place by motor turbine mechanism.
Because controlled system with self-regulation adopts prior art to realize, be just not described in detail here.
Follow the trail of harvester to light three-dimensional provided by the present invention to be above described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (8)
1. light three-dimensional follows the trail of a harvester, comprising:
Ray tracing unit, it comprises reflective mirror and slew gear;
Described slew gear is located at by described reflective mirror, and on described slew gear, have the free degree rotated around its axis of rotation, and the angle of described axis of rotation and reflective mirror minute surface is 45 °;
It is characterized in that,
One-level ray tracing unit and secondary light tracing unit are connected, wherein the slew gear of secondary light tracing unit is made up of rotor and stator, rotor and stator are annular, middle part is light channel, secondary reflective mirror is set up in the eccentric position above rotor by the second support, can rotate around vertical axis of rotation;
One-level reflective mirror is by the opposite side of the first support installing at rotor, and its minute surface is relative with secondary reflective mirror, can rotate on the first support around lateral rotation axis;
The axis of rotation of I and II ray tracing unit is mutually vertical, and one-level ray tracing unit is servo-actuated in secondary reflective mirror.
2. light three-dimensional according to claim 1 follows the trail of harvester, and it is characterized in that, described rotor and stator are mutually engaged and are rotatably connected.
3. light three-dimensional according to claim 2 follows the trail of harvester, and it is characterized in that, the occlusion structure of described rotor and stator comprises:
First ring connected in star, is located at the outer circumference surface of described rotor, along being highly greater than lower edge on it;
Second annular groove, is located at the inner peripheral surface of described stator, along being highly less than lower edge on it;
The lower edge of described first ring connected in star embeds described second annular groove;
The upper edge of described second annular groove embeds described first ring connected in star.
4. light three-dimensional according to claim 3 follows the trail of harvester, and it is characterized in that, described stator is split-type structural, and the end of two semicircular body connects.
5. light three-dimensional according to claim 4 follows the trail of harvester, and it is characterized in that, the end of two semicircular body of described stator is welded mutually, rivets, glueds joint or is bolted.
6. the light three-dimensional according to any one of claim 1 to 5 follows the trail of harvester, and it is characterized in that, the axis of rotation of described slew gear at different levels is all through its reflective mirror.
7. the light three-dimensional according to any one of claim 1 to 5 follows the trail of harvester, and it is characterized in that, described ray tracing unit at different levels is equipped with driving mechanism;
The power set of described driving mechanism drive the reflective mirror on described slew gear to rotate when regulating by drive disk assembly.
8. light three-dimensional according to claim 7 follows the trail of harvester, it is characterized in that, comprise ray tracing control system further, its controller is according to the ray position data set or detect, and computing draws the mirror position at different levels corresponding to optimal light line reflection path;
Described controller outputs control signals to described power set, drives described reflective mirror to rotate to work location by described power set.
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| CN201310019621.XA CN103104882B (en) | 2013-01-18 | 2013-01-18 | Light three-dimensional tracking collection device |
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| CN201310019621.XA CN103104882B (en) | 2013-01-18 | 2013-01-18 | Light three-dimensional tracking collection device |
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| CN103104882B true CN103104882B (en) | 2015-04-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104482494B (en) * | 2014-11-18 | 2016-08-24 | 北京金自天正智能控制股份有限公司 | Lighting for buildings illuminator and lighting for buildings means of illumination |
| CN104793332A (en) * | 2015-04-28 | 2015-07-22 | 天津定日科技发展有限公司 | Light guide device |
| FR3088447A1 (en) * | 2018-11-09 | 2020-05-15 | Airbus Defence And Space Sas | BI-AXIS OPTICAL POINTING DEVICE |
| CN113552713B (en) * | 2021-06-29 | 2023-03-31 | 上海科技馆 | All-day telescope scanning device and all-day telescope |
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| CN102216627A (en) * | 2008-11-18 | 2011-10-12 | 阿尔斯通水电设备法国公司 | Ring for a hydrostatic and hydrodynamic bearing, hydraulic machine provided with such a ring and method for mounting such a ring on a shaft |
| CN102581248A (en) * | 2012-02-29 | 2012-07-18 | 重庆宗学重工机械股份有限公司 | Split type bearing bush centrifugal casting method |
| CN203147619U (en) * | 2013-01-18 | 2013-08-21 | 于颖杰 | Light three-dimensional tracking collection device |
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