CN104373890A - Lighting arrangement and method - Google Patents
Lighting arrangement and method Download PDFInfo
- Publication number
- CN104373890A CN104373890A CN201310359445.4A CN201310359445A CN104373890A CN 104373890 A CN104373890 A CN 104373890A CN 201310359445 A CN201310359445 A CN 201310359445A CN 104373890 A CN104373890 A CN 104373890A
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- China
- Prior art keywords
- working face
- reflective surface
- lighting equipment
- light
- entrance
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight
- F21S11/002—Non-electric lighting devices or systems using daylight characterised by the means for collecting or concentrating the sunlight, e.g. parabolic reflectors or Fresnel lenses
- F21S11/005—Non-electric lighting devices or systems using daylight characterised by the means for collecting or concentrating the sunlight, e.g. parabolic reflectors or Fresnel lenses with tracking means for following the position of the sun
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lighting arrangement comprising a reflector, a mechanical rotator, a motor transmission mechanism and a control unit. The mechanical rotator, the motor transmission mechanism and the control unit drive a reflecting surface to track a trajectory of the sun and spot and project the sunlight to a certain area, thus collecting the sunlight. The lighting arrangement is characterized in that the single surface is used to move the light focused in the certain area in a one-dimensional tracking manner; the lighting arrangement is simple, low in cost, high in cost performance and widely applicable as an upgrade product for building light guide equipment.
Description
Technical field
The present invention relates to a kind of natural daylight for building and utilize equipment, be specifically related to a kind of light collecting device introduced by natural daylight in building.The invention still further relates to a kind of method using light collecting device to collect natural daylight.
Background technology
According to the regulation of " standard for lighting design of buildings " (GB GB/T50033/34-2004) that building portion 2004 promulgates, should in the conceived case in the architectural design of China: " utilize various leaded light and reflex reflector to be introduced by natural daylight indoor; Utilize solar energy as lighting energy ".
Exist in current prior art and collect the technology that light enters interior of building.Such as: Chinese patent 201652153U discloses a kind of active natural light guiding device for building, with the use of heliostat and speculum, through diffusing panel, sunlight is introduced building interior by skylight.This system depends on the Mechanical tracking systems possessing the two-dimensional rotary free degree: heliostat, and it is higher that it makes complicated cost.In addition this system make use of quadratic surface with the use of gathering light, and the complicated cost of same making is higher.All there are these shortcomings in this type of lighting equipment, bring the problem of making and cost, commercial viability is not high.
In prior art, also there is light pipe system.The operation principle of light pipe system is, by photoconductive tube, sunlight is delivered to other one end from its one end, thus reaches the objects such as illumination.Fig. 6 is the operation principle schematic diagram of a typical existing vertical photoconductive tube;
But the shortcoming of above-mentioned light pipe system does not have light-focusing function, take up room relatively large, when long-distance transmissions light, the cost performance of system is low.Illustrate, a diameter is the photoconductive tube of 300mm, and its light-receiving area is 0.07 square metre, and therefore its daylight illumination peak utilization Wpe is about 500 watts.Wherein Wpe be defined as outdoor daylight intensity reach peak value 1000W/ square metre and the illumination efficiency of daylight be 110 lumens/square metre natural conditions under, this photoconductive tube is equivalent to the operating power number of the incandescent lamp of every watt of 15 lumens.
Concrete computational process is:
Wpe=0.07 square metre × 1000 watts/square metre × 110/15=500 watt
With the market price 5,000 yuan of a typical light guiding systems for estimating basis, to use 10 hours every day, annual service efficiency 70%, then the electric consumption on lighting amount that system is saved every year is about 1500 kilowatt hours.Calculate according to current electricity prices, the investment repayment phase is about 4 years.
Therefore, efficiency is low, and commercial viability is not high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of lighting equipment equipment, it adopts the rotation system of the one dimension free degree, with single curved surface, can gathering sunlight and knock down the light collecting zone of specifying, thus improve natural daylight utilization ratio, structure is simple simultaneously, with low cost, has higher commercial viability.
For achieving the above object, the invention provides a kind of lighting equipment, comprising reflective surface, mechanical rotation device, motor transmission mechanism, control unit four parts.Mechanical rotation device, motor transmission mechanism and control unit drive reflective surface to follow the tracks of the running orbit of luminous celestial body, and the light collecting zone of specifying is invested in natural daylight polymerization afterwards.
Reflective surface inside has light-reflecting property.Only light can be gathered with a reflective surface in this lighting equipment.In various embodiments, reflective surface can be the face of cylinder, parabola or meet parabola or anchor ring.
As a further improvement on the present invention, reflective surface of the present invention is fixed on mechanical rotation device, rotates under transmission gear for electric motor and control device drive on working face around axle.Described reflective surface is symmetrical through the plane (being called " plane of symmetry ") of its bus about one, and described working face is vertical with described " plane of symmetry ", and described axle is the normal of working face.The light collecting zone that described reflective surface will be invested after natural daylight polymerization on described working face (9).
Further improve, also comprise a light collecting device, in working face, place the entrance of a light collecting device, form entrance curve.The feature of entrance curve is that its geometric center point is on above-mentioned normal.Reflective surface winding line is that axle rotates, and follows the tracks of the running orbit of luminous celestial body; The feature that its running runs makes above-mentioned " plane of symmetry " all the time containing the theoretical center point of luminous celestial body.
The form of entrance curve is generally the closed curve of a symmetry, such as, be a circle or a polygon; But also can be a curve do not closed.
The intersection of reflective surface and working face forms a parabola or circular arc, and forms focus in working face.On the inside that focus is positioned at described entrance curve enclosed space or edge.
On the inside that described smooth collecting zone is positioned at described entrance curve enclosed space or edge.
Core concept of the present invention is, utilizes curved surface can focus on still focus and points to the feature of light source all the time, make curved surface follow light source and rotate, ensure that focus falls into the porch of light collecting device simultaneously.
Lighting equipment of the present invention can be used in combination with light-guiding system, also can in fiber optics system with the use of.
The invention still further relates to and a kind ofly utilize above-mentioned single curved surface lighting equipment to carry out the method for daylighting, it adopts can gathering sunlight and knock down the light collecting zone of specifying, thus improves natural daylight utilization ratio, and structure is simple simultaneously, with low cost, there is higher commercial viability.
The method of utilizing light that the present invention relates to is: utilize mechanical rotation device, transmission gear for electric motor (5) and control unit (8) to drive single reflective surface to follow the tracks of the running orbit of luminous celestial body, invests appointed area after being polymerized by natural daylight.
As the improvement to method of utilizing light of the present invention, control unit and motor transmission mechanism drive the luminous curved surface be fixed on mechanical rotation device, and the normal of reflective surface around this working face on working face is rotated.
As the further improvement to above-mentioned improvement, above-mentioned reflective surface passes through the plane symmetry of its bus about one, and this plane is vertical with above-mentioned working face, and described axle is the normal of working face.
The light collecting zone that described reflective surface will be invested after natural daylight polymerization on described working face.
Further improvement is, also comprise use one light collecting device and collect the light being aggregated in light collecting zone, this light collecting device and working face intersect at entrance curve, form the entrance of described light collecting device.The geometric center point of this entrance curve is on the normal of above-mentioned working face.
The intersection of described reflective surface and described working face is parabola or circular arc, and the focus of parabola or circular arc is positioned at working face.On the inside that described focus is positioned at described entrance curve enclosed space or edge.On the inside that described smooth collecting zone is positioned at described entrance curve enclosed space or edge.
Lighting equipment of the present invention and method can be combined with light pipe system or fiber optics system.
In lighting equipment of the present invention, alternatively, light collecting device can be photoconductive tube, also can be the building block of fiber optics system.
Lighting equipment of the present invention can also combinationally use, and form a lighting system, this lighting system comprises two or more lighting equipment of the present invention.
Beneficial effect of the present invention is: for any for the light-guiding system collected for the purpose of direct sunlight, use this system can collect more daylight and make it enter light and utilize system, such as light-guiding system or fiber optics system, thus significantly improve its efficiency and cost performance.System only utilizes single curved surface to carry out one dimension tracking to the sun, and just can complete enough accurate sunlight and collect function, reach the equalization point of condenser performance and cost rightly, cost performance is higher, and commercial viability is stronger.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the structural representation of lighting equipment of the present invention.
Fig. 2 and Fig. 3 explains an exemplifying embodiment of the present invention in detail; This example illustrate structure of the present invention and operation principle.
Fig. 4 overlooks index path, and disclosing sunlight is how to be focused back reflection to enter appointed area.
Fig. 5 is an alternative embodiment of the invention schematic diagram; The reflective surface 1 that this figure describes indication of the present invention also can be anchor ring or parabola.
Fig. 6 is the operation principle schematic diagram of a typical vertically photoconductive tube;
Fig. 7 is one of this patent application schematic diagram, describes it and how can be combined with existing light guide techniques sunlight is transferred to building interior Anywhere.
Detailed description of the invention
Figure 1 shows that a lighting equipment of the present invention example, comprising: semi-cylinder reflective surface 1, mechanical rotation device, motor transmission mechanism, control unit four parts.Wherein, mechanical rotation device comprises: curved supporting frame 2, circular support chassis 3 and circuit orbit 4; Motor transmission mechanism comprises: motor 5, screw rod and bindiny mechanism 6 and control and power line 7.Control unit is a microprocessor unit 8.
The material of semi-cylinder reflective surface 1 can be sheet metal, possesses light-reflecting property after one side is processed.Reflective surface 1 is vertically installed and is fixed on curved supporting frame 2, inner for possessing the one side of light-reflecting property.The bottom of curved supporting frame 2 is fixedly connected with circular support chassis 3, and the latter is positioned in circuit orbit 4.Circular support chassis 3 and circuit orbit 4 coplanar, concentric, and by bearing nested encryptions.
Figure 2 shows that the example of further improvement of the present invention, parts identical in illustrating with above-mentioned Fig. 1 and Reference numeral do not repeat them here.Fig. 2 describes the characteristic sum mounting means of semi-cylinder reflective surface 1 in detail.Semi-cylinder reflective surface 1 is spatially symmetrical through the plane 11 of its bus about one.The installation method of semi-cylinder reflective surface 1 on curved supporting frame 2 is: make plane 11 vertical with working face 9, and does not lose himself symmetry about plane 11.
After according to the method described above system being assembled, under the control of microprocessor unit 8, motor 5 drives semi-cylinder reflective surface 1 by screw rod and bindiny mechanism 6, curved supporting frame 2 carries out rotation together with circular support chassis 3, running track from sun is followed the tracks of, namely keeps the theoretical center of the sun to be positioned at plane 11 all the time.Due to the effect of above-mentioned follow-up mechanism, a branch of parallel sunshine 12 is aggregated on congruent point 13.In fig. 2, circuit orbit 4 is placed on a working face 9, forms a normal 10 by its center of circle.Above-mentioned mounting means makes semi-cylinder reflective surface 1 can carry out rotation as axle by winding line 10.
Along with the rotation of the sun, the movement locus of focus point 13 forms the circle 14 of a symmetry axis centered by normal 10.Therefore, regardless of the position of the sun, sunlight is all focused onto in circle 14 in-scopes.
Reflective surface 1 is symmetrical through the plane 11 of its bus about one.Reflective surface 1 is fixed on mechanical rotation device, under the manipulation of control unit and motor transmission mechanism, with the normal 10 of a working face 9 for axle rotates.The feature of working face 9 is that it is orthogonal with plane 11.
Figure 3 shows that the example further improved of the present invention, parts identical in illustrating with above-mentioned Fig. 1 with Fig. 2 and Reference numeral do not repeat them here.Place a smooth collecting zone entrance at working face 9, form entrance curve 16.The feature of entrance curve 16 is that its geometric center point is on normal 10.Reflective surface 1 winding line 10 rotates for axle, follows the tracks of the running orbit of luminous celestial body, and the feature that its running runs makes plane 11 all the time containing the theoretical center point of luminous celestial body.
Reflective surface 1 forms a parabola or circular arc with the intersection of working face 9, and forms focus 13 in working face 9.Focus 13 be positioned at entrance curve 16 surround space inside or edge on.
Fig. 3 illustrates how the sunlight after focusing is dropped into light collecting device 15.In Fig. 3, light collecting device is placed in working face less than 9, and its circular open curve 16 is positioned at working face 9.Circular open curve 16 is concentric circles with circle 14, and preferably, the former radius is greater than the radius of the latter, namely round 14 falls in circular open curve 16.Therefore this figure describes, and lighting equipment of the present invention can follow the tracks of track of sun, is polymerized by sunlight and drops in light collecting device 15.
Preferably, in Fig. 3, light collecting device 1 is a photoconductive tube.
Fig. 4 be lighting equipment of the present invention overlook index path, disclosing sunlight is how to be focused back reflection to enter appointed area.In Fig. 4, reflective surface 1 rotates to target location under control system drives.As shown in the figure, now the Theoretical Physics central point of the sun has been positioned at plane 11, and reflective surface 1 is symmetrical with plane 11, so reflective surface is towards the incident direction 17 of sunshine.For light beam 12, it is through the reflection of reflective surface 1, focuses on focus 13 place.Circular open curve 16 is opening parts of a cylindrical light gathering-device.Focus 13 is in open curve 16 scope, and the countless multi beam directional lights being therefore representative with light beam 12 converge at the open interior of light collecting device at the moment, thus reaches the object that optically focused collects sunlight.
Fig. 5 is an alternative embodiment of the invention schematic diagram; The reflective surface 1 that this figure describes indication of the present invention also can be anchor ring or parabola.
In Figure 5, the form of reflective surface 1 is a parabola, and wherein light beam 12 is through paraboloidal reflection, focuses in focus 13 place, and falls in the entrance scope curve 16 of light collecting device.
Fig. 6 is the operation principle schematic diagram of an existing typical vertically photoconductive tube, and sunlight is delivered to other one end from its one end by photoconductive tube by it, thus reaches the objects such as illumination.
Fig. 7 is one of this patent application schematic diagram, describes it and how can be combined with existing light guide techniques sunlight is transferred to building interior Anywhere.
As shown in Figure 7, the same light conduit 18 and 19 that two diameters are 300 millimeters is arranged on the same roof of same building.Photoconductive tube 19 applies an example 20 of this patent.The application purpose of photoconductive tube 18 and 19 is all used to windowless region 21 of throwing light on.Find through measuring and calculating, about the morning 10 of some fine days of a mid-June time, the luminous flux being entered windowless region 21 by photoconductive tube 18 is 5390 lumens, enters the luminous flux in windowless region 21 then up to 9379 lumens by photoconductive tube 19.Therefore reach a conclusion, due to the effect of example 20, the sunlight utilization rate of photoconductive tube 19 is higher than 18 by 74%.In this experiment, the area of the reflective surface that light collecting device 20 adopts is less than 0.3 square metre, and the power consumption of system is less than 5 watts.Conclusion is, after have employed light collecting device 20 described in this patent, the investment repayment phase of light-guiding system 19 shortened to 2 years 10 months from original 4 years, decreased about 29%.
The present invention can improve the Solar use efficiency more than 50% of light-guiding system, makes the system investments period of investment return shorten at least 25%, reaches the level being shorter than 3 years.
The present invention is not limited to embodiment discussed above.Above the description of detailed description of the invention is intended to describe and the technical scheme that the present invention relates to being described.Based on the present invention enlightenment apparent conversion or substitute also should be considered to fall into protection scope of the present invention.Above detailed description of the invention is used for disclosing best implementation method of the present invention, can apply numerous embodiments of the present invention and multiple alternative to reach object of the present invention to make those of ordinary skill in the art.
Claims (19)
1. a lighting equipment, comprising:
Reflex reflector, mechanical rotation device, motor transmission mechanism (5) and control unit (8), mechanical rotation device, motor transmission mechanism (5) and control unit (8) drive reflex reflector to follow the tracks of the running orbit of luminous celestial body, appointed area is invested after being polymerized by natural daylight, it is characterized in that, described reflex reflector is single reflective surface (1).
2. lighting equipment as claimed in claim 1, it is characterized in that, described reflective surface (1) is the face of cylinder, or parabola, or composite parabolic or anchor ring.
3. lighting equipment as claimed in claim 1, it is characterized in that, also comprise a working face (9), described reflective surface (1) is fixed on described mechanical rotation device, control by described control unit (8), described working face (9) rotates around axle.
4. the lighting equipment as described in claim 1 or 3, it is characterized in that, described reflective surface (1) is symmetrical through the plane (11) of its bus about one, and described working face (9) is vertical with described plane (11), and described axle is the normal (10) of working face (9).
5. lighting equipment as claimed in claim 4, is characterized in that, described reflective surface (1) is parabola or circular arc with the intersection of described working face (9), and the focus of parabola or circular arc (13) is positioned at working face (9).
6. lighting equipment as claimed in claim 3, is characterized in that, the light collecting zone (14) that described reflective surface (1) will be invested after natural daylight polymerization on described working face (9).
7. the lighting equipment as described in one of claim 1-6, is characterized in that, also comprises light collecting device, and itself and working face (9) intersect at entrance curve (16), and entrance curve (16) forms the entrance of described light collecting device.The geometric center point of described entrance curve (16) is on normal (10).
8. lighting equipment as claimed in claim 7, is characterized in that, on the inside that described focus (13) is positioned at described entrance curve (16) enclosed space or edge.
9. lighting equipment as claimed in claim 7, is characterized in that, on the inside that described smooth collecting zone (14) is positioned at described entrance curve (16) enclosed space or edge.
10. the method using the lighting equipment described in claim 1 to carry out daylighting, mechanical rotation device, transmission gear for electric motor (5) and control unit (8) is utilized to drive reflex reflector to follow the tracks of the running orbit of luminous celestial body, invest appointed area after being polymerized by natural daylight, it is characterized in that: use reflective surface (1) to be polymerized natural daylight.
11. methods as claimed in claim 10, is characterized in that, are describedly fixed on mechanical rotation device by reflective surface (1), and control unit and motor transmission mechanism drive reflective surface (1), and working face (9) rotates around axle; Described reflective surface (1) is symmetrical through the plane (11) of its bus about one, and described working face (9) is vertical with described plane (11), and described axle is the normal (10) of working face (9).
12. methods as described in claim 10 or 11, is characterized in that, the light collecting zone that described reflective surface will be invested after natural daylight polymerization on described working face.
13. methods as claimed in claim 12, it is characterized in that, intersect at entrance curve (16) at the light collecting device of light collecting zone and working face (9), form the entrance of described light collecting device, the geometric center point of described entrance curve (16) is on normal (10).
14. method of utilizing light as claimed in claim 10, is characterized in that, described reflective surface (1) is parabola or circular arc with the intersection of described working face (9), and the focus of parabola or circular arc (13) is positioned at working face (9).
15. method of utilizing light as claimed in claim 10, is characterized in that, on the inside that described focus (13) is positioned at described entrance curve (16) enclosed space or edge.
16. method of utilizing light as claimed in claim 12, is characterized in that, on the inside that described smooth collecting zone (14) is positioned at described entrance curve (16) enclosed space or edge.
17. application of lighting equipment in light pipe system as described in one of claim 1-9.
18. application of lighting equipment in fiber optics system as described in one of claim 1-9.
19. 1 kinds of lighting systems, comprise the combination of two or more lighting equipment as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359445.4A CN104373890A (en) | 2013-08-16 | 2013-08-16 | Lighting arrangement and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310359445.4A CN104373890A (en) | 2013-08-16 | 2013-08-16 | Lighting arrangement and method |
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| Publication Number | Publication Date |
|---|---|
| CN104373890A true CN104373890A (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310359445.4A Pending CN104373890A (en) | 2013-08-16 | 2013-08-16 | Lighting arrangement and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4720170A (en) * | 1985-04-30 | 1988-01-19 | Learn Jr Martin P | Daylamp system |
| CN2503338Y (en) * | 2001-07-20 | 2002-07-31 | 北京亚都科技股份有限公司 | Sunlight collecting and conducting device |
| US20080104903A1 (en) * | 2006-11-08 | 2008-05-08 | Paul Jaster | Skylight tube with infrared heat transfer |
| CN201090939Y (en) * | 2007-10-25 | 2008-07-23 | 石家庄久安科技有限公司 | Light concentrating illumination device |
| US20130135744A1 (en) * | 2011-11-30 | 2013-05-30 | Solatube International, Inc. | Daylight collection systems and methods |
| CN203642066U (en) * | 2013-08-16 | 2014-06-11 | 张晓东 | Lighting device and system |
-
2013
- 2013-08-16 CN CN201310359445.4A patent/CN104373890A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4720170A (en) * | 1985-04-30 | 1988-01-19 | Learn Jr Martin P | Daylamp system |
| CN2503338Y (en) * | 2001-07-20 | 2002-07-31 | 北京亚都科技股份有限公司 | Sunlight collecting and conducting device |
| US20080104903A1 (en) * | 2006-11-08 | 2008-05-08 | Paul Jaster | Skylight tube with infrared heat transfer |
| CN201090939Y (en) * | 2007-10-25 | 2008-07-23 | 石家庄久安科技有限公司 | Light concentrating illumination device |
| US20130135744A1 (en) * | 2011-11-30 | 2013-05-30 | Solatube International, Inc. | Daylight collection systems and methods |
| CN203642066U (en) * | 2013-08-16 | 2014-06-11 | 张晓东 | Lighting device and system |
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Application publication date: 20150225 |
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