CN203413536U - Transmission-type light intensity adjustable natural lighting device - Google Patents
Transmission-type light intensity adjustable natural lighting device Download PDFInfo
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- CN203413536U CN203413536U CN201320561682.4U CN201320561682U CN203413536U CN 203413536 U CN203413536 U CN 203413536U CN 201320561682 U CN201320561682 U CN 201320561682U CN 203413536 U CN203413536 U CN 203413536U
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- transmission
- light intensity
- lighting device
- type light
- natural lighting
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Abstract
The utility model relates to a transmission-type light intensity adjustable natural lighting device. The transmission-type light intensity adjustable natural lighting device is characterized on that a first illuminometer is fixed on the edge of the upper surface of a light condensing reflecting mirror, a shading barrel is fixed at an entrance port of a lighting chamber, a transmission surface is fixed on the shading barrel, an astigmatism transmission lens array is fixed on the top of the shading barrel, each mirror element of the astigmatism transmission lens array is connected to a master control circuit system through a signal line, is a concave lens and can overturn, a second illuminometer is arranged in the lighting chamber in the length direction corresponding to the shading barrel, and the first illuminometer and the second illuminometer are connected to the master control circuit system through signal lines. The transmission-type light intensity adjustable natural lighting device has the advantages that lots of sunlight is divided into a plurality of unit amounts, the accuracy control on the light transmission amount of a system is realized by controlling the existence or inexistence of the plurality of unit amounts, and a lighting condition under which the light intensity can be adjusted and controlled and a spectral component is real sunlight is obtained by using sunlight, the light intensity of which cannot be adjusted and controlled originally.
Description
Technical field
The utility model relates to a kind of optical experiment instrument, the adjustable natural lighting device of especially a kind of transmission-type light intensity.
Background technology
The lighting device of the spectral component of simulated solar irradiation, various inspections, calibration, calibration process and the needed equipment of various Experiments of Optics always, because the optical instrument of a lot of outdoor applications, all must take into full account the response condition to sunshine spectrum, some optical instruments are usingd and are gathered specially, analyze and process sunshine as application purpose, therefore need the adjustable sun light lighting device of light intensity.
General conventional method is by the radiant energy outside the coloured light of various different wave lengths and visible ray, ratio with simulated solar spectrum, be superimposed and synthesize artificial sun light, to the wave band that wherein cannot directly provide, adopt the light of the contiguous wave band in these wave band both sides to merge to produce.
But sunshine itself is not the spectrum ratio of determining very much, owing to being subject to the impact of Atmospheric Absorption, reflection, refraction and bottom air agitation, the reflection of dust granules, scattering properties in air, the reflection of steam and cloud layer, absorption, and the existence of the situation such as terrestrial surface radiation and atmospheric counter radiation, in fact the composition of sunshine is constantly to change, and the ratio of each wave band is constantly in wave process.
In addition, the luminescent device of various different wave length coloured light, its stability and life-span may and inconsistent, be difficult to the steady operation that keeps long-term, even and the method that adopts coloured light to merge, the coloured light of indivedual wave bands remains and is difficult to obtain.The sunshine that manual simulation produces, can not change along with the variation of environmental condition, and can only represent a kind of comprehensive average spectral component, in needs true sun light lighting complicated and changeable, often cannot meet experiment demand.And at the outdoor true sun light lighting directly obtaining, its light intensity cannot manual adjustment, and its light intensity is constantly among change, and unstable.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of spectral component identical with current sunshine, can also keep stabilized intensity the adjustable natural lighting device of transmission-type light intensity of flexible modulation light intensity magnitude as required.
The technical scheme providing according to the utility model, the adjustable natural lighting device of described transmission-type light intensity, it comprises condenser mirror, astigmatism diaphotoscope array, governor circuit system and illuminating chamber, top surface edge portion at condenser mirror is fixed with the first illumination photometer, illuminating chamber has entrance port, place, entrance port at illuminating chamber is fixed with cone, in cone, be fixed with transmission plane, top ends at cone is fixed with astigmatic diaphotoscope array, each mirror unit in astigmatism diaphotoscope array is all connected by holding wire with governor circuit system, each mirror unit in astigmatism diaphotoscope array is concavees lens and can overturns, in illuminating chamber and on the length direction of corresponding cone, be provided with the second illumination photometer, the first illumination photometer is connected by holding wire with governor circuit system, the second illumination photometer is connected by holding wire with governor circuit system.
The second illumination photometer is arranged in illuminating chamber and on the axis direction of corresponding cone.
All mirrors unit in described astigmatic diaphotoscope array layout that is centrosymmetric.
Also be provided with turntable, three lifting shafts are installed on turntable, in the top ends of lifting shaft, be hinged with condenser mirror; The rotating drive mechanism of described turntable is connected by holding wire with governor circuit system, and the lift drive mechanism of lifting shaft is connected by holding wire with governor circuit system.
Described transmission plane is made by the diffuse transmission material of high transmission rate.
The inwall of described illuminating chamber is made by the diffuse-reflective material of high reflectance.
The inwall of described cone is made by highly reflective material.
The utlity model has following advantage:
1, the utility model is divided into quantity of units one by one by a large amount of sunshines, by controlling having or nothing of some quantity of units, realize the accurate control to the logical light quantity of system, utilize the sunshine that cannot regulate and control light intensity originally, obtain that light intensity magnitude can artificial adjustment, the lighting condition that spectral component is true sunshine;
2, the utility model is numbered each the mirror unit in astigmatic diaphotoscope array, and the order of numbering, according to centrosymmetric mode layout, is arranged from center to periphery successively, while opening mirror unit, open successively in order, close while covering the lens unit, according to inverted sequence, close successively;
3, the utility model adopts control circuit, drive motors, turntable, lifting shaft etc., control direction and the inclination angle of condenser mirror or plane reflection lens array, make its height of following the sun and angle real time kinematics, keep reverberation to invest astigmatic diaphotoscope array with changeless direction;
4, the utility model adopts the first illumination photometer and the second illumination photometer to form self feed back mechanism, and the brightness value that illumination photometer is collected inputs to governor circuit system, and logical light quantity is revised in real time, makes the illumination of area of illumination in illuminating chamber keep stable;
5, the transmission plane in the utility model adopts diffuse transmission material or optical material to make, and light can be transmitted on the area of illumination in illuminating chamber comparatively uniformly, avoids forming the speck of individualism one by one;
6, the utility model adopts the artificial light source of simulated solar spectrum as standby power source, when not needing the illumination light of true sunshine spectrum, at surround lighting, weak or rainy weather in the situation that, can provide illumination light with standby power source, make system possess the ability of all weather operations.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
The adjustable natural lighting device of this transmission-type light intensity, it comprises condenser mirror 5, astigmatism diaphotoscope array 6, governor circuit system 7 and illuminating chamber 4, top surface edge portion at condenser mirror 5 is fixed with the first illumination photometer 1, illuminating chamber 4 has entrance port, place, entrance port at illuminating chamber 4 is fixed with cone 10, in cone 10, be fixed with transmission plane 3, top ends at cone 10 is fixed with astigmatic diaphotoscope array 6, each mirror unit in astigmatism diaphotoscope array 6 is all connected by holding wire with governor circuit system 7, each mirror unit in astigmatism diaphotoscope array 6 is concavees lens and can overturns, in illuminating chamber 4 and on the length direction of corresponding cone 10, be provided with the second illumination photometer 2, the first illumination photometer 1 is connected by holding wire with governor circuit system 7, the second illumination photometer 2 is connected by holding wire with governor circuit system 7.
The second illumination photometer 2 is arranged in illuminating chamber 4 and on the axis direction of corresponding cone 10.
All mirrors unit in described astigmatic diaphotoscope array 6 layout that is centrosymmetric.
Also be provided with turntable 9, three lifting shafts 8 are installed on turntable 9, in the top ends of lifting shaft 8, be hinged with condenser mirror 5; The rotating drive mechanism of described turntable 9 is connected by holding wire with governor circuit system 7, and the lift drive mechanism of lifting shaft 8 is connected by holding wire with governor circuit system 7.
Described transmission plane 3 is made by the diffuse transmission material of high transmission rate.
The inwall of described illuminating chamber 4 is made by the diffuse-reflective material of high reflectance.
The inwall of described cone 10 is made by highly reflective material.
The utility model utilizes sunshine as primary light source, a condenser mirror 5 is set, and the plane reflection lens array that condenser mirror 5 is concave surface by a large concave mirror or the reflecting surface that consists of polylith plane mirror, condenser mirror 5 is controlled by governor circuit system 7, lifting shaft 8, turntable 9, can follow the height of the sun and direction and the angle of inclination that angle is adjusted self automatically, guarantee that reverberation incides on astigmatic diaphotoscope array 6 with changeless angle all the time.
Astigmatism diaphotoscope array 6 is first as mirror by the circular concavees lens of fritter of One's name is legion, according to certain sequence, forms annular, square or regular hexagon array elements, and numerous array elements finally form astigmatic diaphotoscope array.Each mirror unit in the middle of astigmatism diaphotoscope array can open or close under the control of governor circuit system 7, condenser mirror 5 is reflected to the light that converges coming, then is transmitted on transmission plane 3 with changeless direction.Each mirror unit in astigmatism diaphotoscope array 6, all be provided with fixing sequence number, by governor circuit system 7 according to the order of prior setting, size according to required logical light quantity, open successively mirror unit, mirror unit after opening can carry out condenser mirror 5 reflection converges light, after dispersing again transmission to transmission plane 3; When required logical light quantity increases, open successively more mirror first, to increase logical light quantity; When required logical light quantity reduces, then according to contrary order, successively the mirror unit opening is closed, to reduce logical light quantity.
Transmission plane 3 is made by the high diffuse transmission material of transmitance, as opal glass, or adopts optical material to make, and light can be tried one's best and through transmission plane 3, enter in shading illuminating chamber 4 uniformly, avoids seeing through transmission plane 3 with isolated one by one speck.
The shape of the entrance port of astigmatism diaphotoscope array 6, transmission plane 3, illuminating chamber 4 should be consistent or similar, and connected by the cone 10 with same cross-sectional shape, cone 10 inwalls select white highly reflective material to make, or be coated with white high reflectance coating, also can sticking flexible minute surface reflector.
The inwall of illuminating chamber 4 selects white highly reflective material to make, or is coated with white high reflectance coating, to improve indoor illumination, but should not use specular reflective material.
During experiment, in illuminating chamber 4, experimenter should wear white lab-gown, to reduce the impact on indoor illumination intensity.The first illumination photometer 1 is set on condenser mirror or plane reflection lens array, measures the brightness value that primary light source provides, and with the brightness value recording, required logical light quantity is revised; At interior second illumination photometer 2 that arranges of illuminating chamber 4, measure the brightness value of illuminated area, and with the brightness value recording, required logical light quantity is revised.
The adjustable natural lighting device of transmission-type light intensity of the present utility model, comprises condenser mirror 5, astigmatic diaphotoscope array 6, transmission plane 3, illuminating chamber 4, illumination photometer 1, illumination photometer 2, lifting shaft 8, turntable 9 and governor circuit system 7 totally nine parts.First by condenser mirror 5 by sunshine according to changeless angle reflection to astigmatic diaphotoscope array 6, by little diaphotoscope battle array 6, be listed as according to required logical light quantity again, open the diaphotoscope unit of respective amount, light is transmitted on transmission plane 3, transmitted light sees through transmission plane 3 and enters in illuminating chamber 4, required natural daylight illumination is provided, and required logical light quantity is by measured value the calculating by governor circuit system of the brightness value of user's appointment and the first illumination photometer 1, the second illumination photometer 2.Can obtain thus error is the natural lighting condition of the first transmitted light intensity of single mirror, mirror elemental area is less, error is less, total reflective surface area of condenser mirror or plane reflection lens array is larger, the illumination upper limit that system provides is just larger, but be no more than condenser mirror 5 and receive illuminance through the illumination after repeatedly decaying, decay comprises the reflection loss of condenser mirror 5, the Transmission Attenuation of diaphotoscope unit and transmission plane, the reflection loss of system inwall etc., in above-mentioned complete attenuation rate fixedly in the situation that, the illumination upper limit that system provides depends on the luminous intensity of primary light source.In the situation that all little diaphotoscopes unit does not all open, surround lighting directly enters the formed illumination of illuminating chamber 4 by system outer wall, is ' the dark illumination ' of system, while calculating required luminous flux, should first subtract after deducting this part dark illumination and calculate.Actual ' dark illumination ' value is very low, and in the situation that system sealing is all right, the theoretical value of ' dark illumination ' is 0.
The utility model is controlled condenser mirrors 5 by governor circuit system 7 and is followed the height of the sun and angle and rotate, to keep constant direction that reverberation is invested to astigmatic diaphotoscope array 6; The method that rotation is followed in maintenance comprises 1, measures in real time height and the angle of the sun; 2, annual all moons of input, day, time, the altitude of the sun and the angle information that divide, make condenser mirror by canned data automatic rotating, and per minutely do once correction.
By condenser mirror 5 by the sunshine of collecting, assemble outgoing, the reverberation that astigmatic diaphotoscope array 6 is received is stronger, make the luminous flux of system output higher, can significantly improve the illumination of illuminating chamber 4 interior area of illumination, meet the demand of high illumination, condenser mirror 5 can be the common concave surface that inwall attaches specular reflective material, also can according to corresponding position and angle, be combined into large reflective concave surface by polylith plane mirror, further strengthen the receiving area of reflection unit, thereby collect more sunshine, higher output illumination is provided.
Astigmatism diaphotoscope array 6 is comprised of the little diaphotoscope of One's name is legion, little diaphotoscope is divergent lens, incident light is had to disperse function, incident light can be divergent, emergent light is dispersed on whole transmission plane 3, avoid with one by one little speck outgoing, the light on the interior area of illumination of illuminating chamber 4 is more evenly distributed.
User provides the required brightness value of area of illumination according to the actual requirements, ' dark illumination ' value that treatment system provides according to the measured value of the first illumination photometer 1 and the second illumination photometer 2, automatically the quantity and the sequence number that calculate required logical light quantity and need to open or close mirror unit, provide instruction, by governor circuit system 7, automatically control corresponding mirror unit and open or close;
Governor circuit system 7 can be according to the measured value of the first illumination photometer 1 and the second illumination photometer 2, automatically calculate the adjustment amount of required logical light quantity, and provide instruction, by electric-control system, automatically control corresponding mirror unit and open or close successively, automatically to keep the stable of area of illumination illumination;
When surround lighting is weak or during rainy weather, can provide illumination light with the artificial light source of simulated solar spectrum, make system possess the ability of all weather operations.
Claims (7)
1. the adjustable natural lighting device of transmission-type light intensity, it is characterized in that: it comprises condenser mirror (5), astigmatism diaphotoscope array (6), governor circuit system (7) and illuminating chamber (4), top surface edge portion at condenser mirror (5) is fixed with the first illumination photometer (1), illuminating chamber (4) has entrance port, place, entrance port at illuminating chamber (4) is fixed with cone (10), in cone (10), be fixed with transmission plane (3), top ends at cone (10) is fixed with astigmatic diaphotoscope array (6), each mirror unit in astigmatism diaphotoscope array (6) is all connected by holding wire with governor circuit system (7), each mirror unit in astigmatism diaphotoscope array (6) is concavees lens and can overturns, in illuminating chamber (4) and on the length direction of corresponding cone (10), be provided with the second illumination photometer (2), the first illumination photometer (1) is connected by holding wire with governor circuit system (7), the second illumination photometer (2) is connected by holding wire with governor circuit system (7).
2. the adjustable natural lighting device of transmission-type light intensity as claimed in claim 1, described in: the second illumination photometer (2) is arranged in illuminating chamber (4) and on the axis direction of corresponding cone (10).
3. the adjustable natural lighting device of transmission-type light intensity as claimed in claim 1, is characterized in that: the layout that is centrosymmetric of all mirrors unit in described astigmatic diaphotoscope array (6).
4. the adjustable natural lighting device of transmission-type light intensity as claimed in claim 1, is characterized in that: be also provided with turntable (9), three lifting shafts (8) are installed on turntable (9), in the top ends of lifting shaft (8), be hinged with condenser mirror (5); The rotating drive mechanism of described turntable (9) is connected by holding wire with governor circuit system (7), and the lift drive mechanism of lifting shaft (8) is connected by holding wire with governor circuit system (7).
5. the adjustable natural lighting device of transmission-type light intensity as claimed in claim 1, is characterized in that: described transmission plane (3) is made by the diffuse transmission material of high transmission rate.
6. the adjustable natural lighting device of transmission-type light intensity as claimed in claim 1, is characterized in that: the inwall of described illuminating chamber (4) is made by the diffuse-reflective material of high reflectance.
7. the adjustable natural lighting device of transmission-type light intensity as claimed in claim 1, is characterized in that: the inwall of described cone (10) is made by highly reflective material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561682.4U CN203413536U (en) | 2013-09-10 | 2013-09-10 | Transmission-type light intensity adjustable natural lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561682.4U CN203413536U (en) | 2013-09-10 | 2013-09-10 | Transmission-type light intensity adjustable natural lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413536U true CN203413536U (en) | 2014-01-29 |
Family
ID=49976424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320561682.4U Expired - Lifetime CN203413536U (en) | 2013-09-10 | 2013-09-10 | Transmission-type light intensity adjustable natural lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413536U (en) |
-
2013
- 2013-09-10 CN CN201320561682.4U patent/CN203413536U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |