CN102221403B - Reflector type distributed photometer - Google Patents
Reflector type distributed photometer Download PDFInfo
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- CN102221403B CN102221403B CN 201110078544 CN201110078544A CN102221403B CN 102221403 B CN102221403 B CN 102221403B CN 201110078544 CN201110078544 CN 201110078544 CN 201110078544 A CN201110078544 A CN 201110078544A CN 102221403 B CN102221403 B CN 102221403B
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Abstract
The invention provides a reflector type distributed photometer, which is provided with a main rotating arm, a reflector, a first rotation driving device and a second rotation driving device, wherein the first rotation driving device is provided with a vertical shaft and is used for driving a lamp to be tested to rotate by taking the vertical shaft as an axis; the reflector can do circular motion synchronous to rotation of the main rotating arm surrounding a horizontal shaft or rotate synchronously with the main rotating arm by taking the horizontal shaft as an axis; the reflector is connected with the second rotation driving device; the first rotation driving device is synchronous to the second rotation driving device; the reflector is a two-wing reflector and has an elliptical middle part; the ellipse is projected in the axial direction of the vertical shaft in a round shape; the reflector extends toward the outside of the ellipse in a long axis direction of the ellipse to form two wings; the length between outer ends of the two wings of the reflector is matched with that of a luminous face of a long lamp; and the width of each wing is matched with that of the luminous face of the long lamp. The reflector type distributed photometer can be used for various lamps with large shape differences, and can improve measuring accuracy and reduce cost.
Description
Technical field
The present invention relates to reflector type distributed photometer.
Background technology
Distributed photometer is the instrumentation of light fixture optical characteristic measurement, mainly for parameters such as the total light flux of light fixture, luminescence efficiency, distribution curve fluxs, based on above-mentioned parameter, the illumination engineer can use Lighting Design software and carry out Lighting Design, and makes designed illumination scheme reach corresponding country and international standard.For example: in outdoor road Lighting Design, can design corresponding technical scheme with adapt to country and international standard to the road of different brackets the performance requirements such as illumination, brightness, homogeneity on definite road surface.The light source that road illuminating lamp is used also has many types, the early stage light sources such as incandescent lamp, low-pressure sodium lamp, high-pressure sodium lamp, fluorescent light that adopt, research success along with the light source new technology, high-pressure mercury lamp, metal halide lamp (Metal halogen lamp), LED, the light sources such as ceramic gold-halogen lamp also are applied to road lighting in a large number.
Name is planted Different Light because their luminescence mechanisms are different, and luminescence efficiency is relevant with the light fixture ignition position.For example: the applying high voltage sodium vapor lamp, metal halide lamp (Metal halogen lamp), the light fixture of the light sources such as ceramic gold-halogen lamp, the luminescence efficiency that same light fixture horizontal direction is lighted is different from the luminescence efficiency that vertical direction is lighted, therefore the application distribution photometer carries out luminous flux, luminescence efficiency, distribution curve flux etc. when measuring to such light fixture, the state of lighting of light fixture does not allow to change, and prevents because the light fixture ignition position changes the measuring error of bringing into.
Fig. 1 has demonstrated rotary mirror type distributed photometer test philosophy commonly used: light fixture L makes circular motion so that certain radius of gyration is widely different around horizontal rotating shaft A, the light that it sends is penetrated outward through 45 degree mirror M, the photo-detector S of receiving beam places from tens meters to more than 30 meters r places of catoptron, light fixture is controlled by rotation axis B also, do widely different transhipment when moving the light fixture attitude remain unchanged, the luminescence efficiency of light fixture can not change.Whenever rotation axis A makes a week or half cycle behind circular motion, requirement according to light fixture test angle interval, rotation axis C rotates a set angle, for example 1 degree, 5 degree, 10 degree, 15 degree, 20 degree are uniformly-spaced, then rotation axis A remakes a week or half cycle from circular motion, after rotation axis C rotates a circle, test is finished, the light intensity that detector output light fixture penetrates in the different angles direction, according to photometry theorem and detector and lamp locker apart from r, just can calculate the related optical characteristic that obtains light fixture.
According to file: the No.70 of International Commission on Illumination (CIE) (1987), this class metering system is called C-g plane surveying form, and such as Fig. 2, the C-set of planes is comprised of one group of plane, and the intersecting lens on plane is perpendicular to the vertical center line of photometric measurement.In Fig. 2, tested light fixture still is denoted as L.
Conventional rotary mirror type distributed photometer, mirror M is fixedly connected with horizontal rotating shaft A, and it rotates with horizontal rotating shaft A, and the rotational plane of rotation axis A is the described g of CIE plane, for the g angle scanning is measured.The g angle is after ± 180 ° of been scanned, rotation axis C is according to the rotation interval that sets, taking measurement of an angle of a setting of rotation, rotation axis A carries out the angle scanning on g plane again and measures, the luminous intensity of the g plane different angles of measurement result representative when each C Plane Angle.
In the rotary mirror type distributed photometer, the size of catoptron is the size Selection according to tested lamp luminescence face.Present mirror shapes is circular, measure in order to adapt to difform light fixture, especially adapt to long or wide larger-size light fixture, line style fluorescence portable lighter tool for example, then the diameter of catoptron should adapt with the light-emitting area of florescent lamp fitting, T5-58 watt of maximum fluorescent light size length is 1449 millimeters at present, T8-58 watt of maximum fluorescent light size length is 1500 millimeters, corresponding florescent lamp fitting size is about long 1540 millimeters, so mirror diameter is designed to 1600 millimeters, can satisfies the needs of the maximum light fixture of present measurement.But during practical application, catoptron is installed with 45 degree directions as shown in Figure 1, therefore actual catoptron is that major axis as shown in Figure 3 is 2262 millimeters, minor axis is 1600 millimeters oval shape mirror, wherein, label M1 indication be that sodium vapor lamp, Metal halogen lamp light fixture are measured and use the catoptron area, the M2 indication be florescent lamp fitting measurement catoptron area.This is the present world, domestic catoptron physical dimension the most frequently used in reflector type distributed photometer.
Yet if instrument is used for measuring sodium vapor lamp or Metal halogen lamp road lamp, lamp luminescence face diameter is generally less than 700 ' 400 millimeters, places 20-30 rice such as detector, and the diameter on catoptron practical application surface is about 700 millimeter.Therefore, when measuring for the distribution curve flux of sodium vapor lamp or Metal halogen lamp road lamp, mirror diameter 700 mm in sizes of instrument have satisfied measures requirement.The practical application surface is about 900 ' 700 millimeters oval shape mirror when therefore measuring sodium vapor lamp and Metal halogen lamp.
Can find out intuitively that from Fig. 4 present major axis is 2262 millimeters, minor axis is that 1600 millimeters oval shape mirror minute surface utilization factor is very low.When measuring sodium vapor lamp or Metal halogen lamp road lamp, the working surface of catoptron only accounts for the very fraction of entire area, and, during each C plane surveying, the position of light fixture diverse location projection on the catoptron working surface is different, and therefore, the unevenness of mirror surface will affect measurement result, the corresponding sodium vapor lamp of C1 and Metal halogen lamp tool light-emitting area in Fig. 4, the corresponding bar shaped fluorescent lighting fixture of C2 light-emitting area.And the catoptron Heavy Weight is yielding, and measuring accuracy is also had a significant impact, and because of Heavy Weight, the complexity of reflecting mirror support structure, size and weight is corresponding increase also, causes equally easily precise decreasing, and the cost of catoptron and supporting construction is higher.
Summary of the invention
Technical matters to be solved by this invention provides a kind of reflector type distributed photometer, namely can take into account the larger light fixture of differences in shape and can improve again measuring accuracy and reduce cost.For this reason, the present invention is by the following technical solutions: it is provided with the main swivel arm take transverse axis as axle, described distributed photometer also is provided with catoptron and first device of rotation driving of the tested light fixture of reflection, described the first device of rotation driving provides perpendicular to the Z-axis of surface level and drives tested light fixture and rotates take Z-axis as axle, described mirror tilt ground arranges, described catoptron can around described transverse axis do with the circular motion of main swivel arm rotational synchronization or take described transverse axis as axle and main swivel arm rotate synchronously; Described spectrophotometer also is provided with and makes second device of rotation driving of catoptron to rotate as axle perpendicular to the axle on the direction of minute surface, and described catoptron is connected with the second device of rotation driving, and described the first device of rotation driving and the second device of rotation driving are synchronous; Described catoptron is both wings formula catoptron, its middle part is oval, described ellipse described Z-axis axial be projected as circle, described catoptron consists of described both wings at the long axis direction of described ellipse to oval extension, the length of length and microscler lamp luminescence face matches between the both wings outer end of described catoptron, and the width of the width of the wing and microscler lamp luminescence face matches.
The middle part minute surface of described catoptron is except ovalize, it can also be polygon, 4 limit shapes, 6 limit shapes, 8 limit shapes for example, or curve and straight line in conjunction with shape, therefore for solving the problems of the technologies described above, the present invention also can be by the following technical solutions: it is provided with the main swivel arm take transverse axis as axle, described distributed photometer also is provided with catoptron and first device of rotation driving of the tested light fixture of reflection, described the first device of rotation driving provides perpendicular to the Z-axis of surface level and drives tested light fixture and rotates take Z-axis as axle, described mirror tilt ground arranges, described catoptron can around described transverse axis do with the circular motion of main swivel arm rotational synchronization or take described transverse axis as axle and main swivel arm rotate synchronously; Described spectrophotometer also is provided with and makes second device of rotation driving of catoptron to rotate as axle perpendicular to the axle on the direction of minute surface, and described catoptron is connected with the second device of rotation driving, and described the first device of rotation driving and the second device of rotation driving are synchronous; Described catoptron is both wings formula catoptron, its middle part minute surface is the narrow shapes in middle wide two ends, and the length between the described two ends is greater than described intermediate width, described middle part minute surface is on the axial projecting plane of described Z-axis, in the middle of it between width and the two ends difference of length less than the difference of length between the intermediate width of middle part minute surface itself and the two ends, described catoptron consists of described both wings at the described two ends of middle part minute surface extension, the length of length and microscler lamp luminescence face matches between the both wings outer end of described catoptron, and the width of the width of the wing and microscler lamp luminescence face matches.
In by the following technical solutions, the present invention also can adopt following further technical scheme simultaneously:
The conglobate diameter of described both wings formula mirror middle part ellipse projection institute's shape is 700-1000mm, and length is 1550-2300mm between described both wings outer end, and the width of the described wing is 350-400mm.
The width of the widest part of described both wings formula mirror middle part minute surface is 700-1000mm, and length is 1550-2300mm between described both wings outer end, and the width of the described wing is 350-400mm.
Described the second device of rotation driving be contained on the transverse axis or be contained in parts that transverse axis is fixedly connected with on.
Described the second device of rotation driving be installed on the position that main swivel arm departs from transverse axis or be installed in parts that depart from transverse axis that main swivel arm is fixedly connected with on.
Because adopt technical scheme of the present invention, the present invention has following technical scheme:
1, applicability is strong: can be used for the test of existing lamp light source.Its middle part minute surface (such as middle part elliptical mirror, polygon minute surface) can be used for most test of light source, such as sodium vapor lamp or Metal halogen lamp road lamp, and, because it can rotation on the plane of its parallel minute surface, therefore, the reflecting surface between the both wings can be used for the test of fluorescence portable lighter tool.
2, measuring accuracy is high: when different C plane surveying, two wing catoptrons are aimed at the same position of measured light all the time, have eliminated mirror surface inconsistency error;
3, catoptron own wt warp is about 1/4th of conventional catoptron weight, reduces the measuring error that self-deformation brings;
4, supporting reflex mirror weight is simple in structure, is out of shape little.
Description of drawings
Fig. 1 looks the side-looking constitutional diagram for the master of conventional reflector type distributed photometer, and the left side of figure is this spectrophotometric side-looking structure, and the right side is main TV structure.
Fig. 2 is the C-g testing scheme that CIE recommends, for the road illuminating lamp instrumentation plan.
Fig. 3 is the dimensional drawing of the described catoptron of background technology.
Fig. 4 be conventional reflector type distributed photometer in use, the light fixture of rotation cooperates synoptic diagram with the position of catoptron.
Fig. 5 is the mirror size figure of the present invention embodiment on rotary reflection mirror distributed photometer.
Fig. 6 is the connection diagram of catoptron provided by the present invention and the second rotating drive mechanism.
Fig. 7 is the catoptron front schematic view among Fig. 5.
Fig. 8 is that the master of rotary reflection mirror distributed photometer embodiment provided by the present invention looks the side-looking constitutional diagram, and the left side of figure is this spectrophotometric side-looking structure, and the right side is main TV structure.
Fig. 9 is the mirror size figure of the present invention embodiment on motor reflex mirror distributed photometer.
Figure 10 is the principle schematic that the present invention uses at a kind of motor reflex mirror distributed photometer.
Figure 11 is the principle schematic that the present invention uses at another kind of motor reflex mirror distributed photometer.
Figure 12 is the reflector type distributed photometer principle schematic in conjunction with rotary reflection mirror distributed photometer and motor reflex mirror distributed photometer.
Figure 13 is the principle schematic that the present invention uses at the motor reflex mirror distributed photometer of bimirror combination.
Figure 14 is the principle schematic of improved motor reflex mirror distributed photometer on the basis of Figure 13.
Embodiment
With reference to accompanying drawing 5,6,7,8.The present invention is provided with the main swivel arm 1 that rotates take transverse axis 10 as axle, described distributed photometer also is provided with catoptron 3 and first device of rotation driving of reflection measured light 2, described the first device of rotation driving provides perpendicular to the Z-axis 20 of surface level and drives measured light 2 and rotates take Z-axis 20 as axle, described catoptron 3 arranges obliquely, described catoptron 3 take described transverse axis 10 as axle and main swivel arm 1 rotate synchronously; Described spectrophotometer also is provided with and makes second device of rotation driving of catoptron 3 to rotate as axle perpendicular to the axle 30 on the direction of minute surface, described catoptron 3 is connected with the second device of rotation driving, and described the first device of rotation driving and the second device of rotation driving are synchronous; Described catoptron 3 is both wings formula catoptron, its middle part 31 is oval, described ellipse described Z-axis 20 axial be projected as circle, described catoptron 3 consists of described both wings 32 at the long axis direction of described ellipse to oval extension, the length of length and microscler lamp luminescence face matches between the both wings outer end of described catoptron 3, and the width of the width of the wing and microscler lamp luminescence face matches.
The lamp luminescence face diameter of the diameter of described circle and sodium vapor lamp or Metal halogen lamp road lamp matches, the oval-shaped major axis in both wings formula catoptron 3 mirrors middle part is 1000mm, minor axis is 850mm, between the both wings outer end of described catoptron 3 length with match such as the light-emitting area length of the microscler light fixtures such as fluorescence portable lighter tool, be 1550-2300mm, the width of the wing with match such as the light-emitting area width of the microscler light fixtures such as fluorescence portable lighter tool, be 350-400mm.
Described the second device of rotation driving is contained on the described transverse axis 1 or is contained on the parts that are fixedly connected with transverse axis 1.The second device of rotation driving comprises motor 33, described axle 30 is the power output shaft of motor or the axle spare that is connected with power output shaft, motor 33 tilt to be installed in the terminal of described transverse axis 1 or with parts that transverse axis 1 is fixedly connected with on, catoptron 3 is installed on its erecting frame by screw 34, and described erecting frame is connected with axle 30 again.
Described transverse axis 10 is aforesaid axle A, and described axle 20 is aforesaid axle C, and the first device of rotation driving comprises drive motor 21.
Described the first device of rotation driving and the second device of rotation driving refer to synchronously, so that be contained in light source on the first device of rotation driving take axle 20 as axle rotation and be contained in the rotation of catoptron 3 take axle 30 as axle on the second device of rotation driving as synchronously, its purpose both for so that the projection of the light-emitting area of measured light on the workplace of catoptron 3 be in the workplace, simultaneously, make as much as possible catoptron 3 aim at all the time the same position of measured light, eliminate the error that catoptron 3 surperficial inconsistencies produce.
In the drawings, drawing reference numeral 4 is photo-detector.Drawing reference numeral 5 is the backward rotation compensator arm for main swivel arm 1, and drawing reference numeral 50 is its rotating shaft, and the drive motor 21 in the first device of rotation driving is installed on the backward rotation compensator arm 5.
Fig. 9 is the mirror size figure of the present invention embodiment on motor reflex mirror distributed photometer.
Two kinds of different motor reflex mirror distributed photometers have been shown respectively with reference to Figure 10 and 11.The present invention is provided with the main swivel arm that rotates take transverse axis 10A as axle, described distributed photometer also is provided with catoptron 3R and the first device of rotation driving of reflection measured light 2L, described the first device of rotation driving provides perpendicular to the Z-axis 20C of surface level and drives measured light 2L and rotates take Z-axis 20C as axle, described catoptron 3R arranges obliquely, and described catoptron 3R is around the circular motion of described transverse axis 10A work with main swivel arm rotational synchronization; Described spectrophotometer also is provided with and makes second device of rotation driving of catoptron 3R to rotate as axle perpendicular to the axle 30E on the direction of minute surface, described catoptron 3R is connected with the second device of rotation driving, and described the first device of rotation driving and the second device of rotation driving are synchronous.
In two kinds of embodiments of Figure 10 and Figure 11, the degree of tilt of catoptron 3R is different with the embodiment shown in Fig. 6,7,8, the shape and size of catoptron 3R are seen Fig. 9, and the structure of the first device of rotation driving, the second device of rotation driving and synchronized relation are identical with the embodiment shown in Fig. 6,7,8.
Described the second device of rotation driving be installed on the position that main swivel arm departs from transverse axis or be installed in parts that depart from transverse axis that main swivel arm is fixedly connected with on, like this, when main swivel arm rotates, the second device of rotation driving with and on catoptron 3R synchronously make circular motion around transverse axis 10A.
Described transverse axis 10A is aforesaid axle A, and described axle 20C is aforesaid axle C.
Difference with reference to Figure 10 and 11 is: in Figure 10, photo-detector 40 directions are fixed, and the position is motionless.And in Figure 11, photo-detector 40 can be done the rotational motion take transverse axis as axle synchronous with the circular motion of catoptron 3R, can eliminate detector at the sensitivity difference of different directions, and stray light is less.
With reference to Figure 12.Present embodiment provide in conjunction with the reflector type distributed photometer of rotary reflection mirror distributed photometer and motor reflex mirror distributed photometer.The structure of the first device of rotation driving, the second device of rotation driving and synchronized relation are identical with the embodiment shown in Fig. 6,7,8, the shape and size of catoptron 3 are seen Fig. 5, photo-detector 4 is rotatable, its pivot center overlaps with the pivot center of main swivel arm 1, and the synchronous rotation of photo-detector 4 and main swivel arm 1.The implication identical with Fig. 6,7, the representative of 8 identical drawing reference numeral among Figure 12.
With reference to Figure 13.Present embodiment provide for the motor reflex mirror distributed photometer of bimirror combination, it is provided with the main swivel arm that rotates take transverse axis 100A as axle, described distributed photometer also is provided with catoptron 30R and the first device of rotation driving of reflection measured light 20L, described the first device of rotation driving provides perpendicular to the Z-axis 200C of surface level and drives measured light 20L and rotates take Z-axis 200C as axle, described catoptron 30R arranges obliquely, and described catoptron 30R is around the circular motion of described transverse axis 100A work with main swivel arm rotational synchronization; Described spectrophotometer also is provided with and makes second device of rotation driving of catoptron 30R to rotate as axle perpendicular to the axle 300E on the direction of minute surface, described catoptron 30R is connected with the second device of rotation driving, and described the first device of rotation driving and the second device of rotation driving are synchronous.
In the embodiment of Figure 13, the degree of tilt of catoptron 30R is different with the embodiment shown in Fig. 6,7,8, the shape and size of catoptron are seen Fig. 9, and the structure of the first device of rotation driving, the second device of rotation driving and mutual relationship are identical with the embodiment shown in Fig. 6,7,8.
Described the second device of rotation driving be installed on the position that main swivel arm departs from transverse axis or be installed in parts that depart from transverse axis that main swivel arm is fixedly connected with on, like this, when main swivel arm rotates, the second device of rotation driving with and on catoptron 30R synchronously make circular motion around transverse axis 100A.
Photo-detector 40 is installed on the main swivel arm, and the light that measured light is launched is through catoptron 30R and far field catoptron 31R reflection and received by photo-detector 40.
Described transverse axis 100A is aforesaid axle A, and described axle 200C is aforesaid axle C, and the center of measured light is on the extended line of transverse axis 100A, and the installation site of the first device of rotation driving adapts therewith.
With reference to Figure 14, present embodiment is to increase photo-detector 500 on the basis of Figure 13, and photo-detector 500 also rotates around Z-axis, and with measured light around the Z-axis rotational synchronization.The other parts of present embodiment are identical with embodiment shown in Figure 13, and drawing reference numeral identical with Figure 13 in Figure 14 represents identical concept.
Claims (8)
1. reflector type distributed photometer, it is provided with the main swivel arm take transverse axis as axle, described distributed photometer also is provided with catoptron and first device of rotation driving of the tested light fixture of reflection, described the first device of rotation driving provides perpendicular to the Z-axis of surface level and drives tested light fixture and rotates take Z-axis as axle, described mirror tilt ground arranges, described catoptron can around described transverse axis do with the circular motion of main swivel arm rotational synchronization or take described transverse axis as axle and main swivel arm rotate synchronously; It is characterized in that described distributed photometer also is provided with makes second device of rotation driving of catoptron to rotate as axle perpendicular to the axle on the direction of minute surface, described catoptron is connected with the second device of rotation driving, and described the first device of rotation driving and the second device of rotation driving are synchronous; Described catoptron is both wings formula catoptron, its middle part is oval, described ellipse described Z-axis axial be projected as circle, described catoptron consists of described both wings at the long axis direction of described ellipse to oval extension, the length of length and microscler lamp luminescence face matches between the both wings outer end of described catoptron, and the width of the width of the wing and microscler lamp luminescence face matches.
2. reflector type distributed photometer as claimed in claim 1, it is characterized in that the conglobate diameter of described both wings formula mirror middle part ellipse projection institute's shape is 700-1000mm, length is 1550-2300mm between described both wings outer end, and the width of the described wing is 350-400mm.
3. reflector type distributed photometer as claimed in claim 1 or 2, it is characterized in that described the second device of rotation driving be contained on the transverse axis or be contained in parts that transverse axis is fixedly connected with on.
4. reflector type distributed photometer as claimed in claim 1 or 2, it is characterized in that described the second device of rotation driving be installed on the position that main swivel arm departs from transverse axis or be installed in parts that depart from transverse axis that main swivel arm is fixedly connected with on.
5. reflector type distributed photometer, it is provided with the main swivel arm take transverse axis as axle, described distributed photometer also is provided with catoptron and first device of rotation driving of the tested light fixture of reflection, described the first device of rotation driving provides perpendicular to the Z-axis of surface level and drives tested light fixture and rotates take Z-axis as axle, described mirror tilt ground arranges, described catoptron can around described transverse axis do with the circular motion of main swivel arm rotational synchronization or take described transverse axis as axle and main swivel arm rotate synchronously; It is characterized in that described distributed photometer also is provided with makes second device of rotation driving of catoptron to rotate as axle perpendicular to the axle on the direction of minute surface, described catoptron is connected with the second device of rotation driving, and described the first device of rotation driving and the second device of rotation driving are synchronous; Described catoptron is both wings formula catoptron, its middle part minute surface is the narrow shapes in middle wide two ends, and the length between the described two ends is greater than described intermediate width, described middle part minute surface is on the axial projecting plane of described Z-axis, in the middle of it between width and the two ends difference of length less than the difference of length between the intermediate width of middle part minute surface itself and the two ends, described catoptron consists of described both wings to the described two ends extension of middle part minute surface, the length of length and microscler lamp luminescence face matches between the both wings outer end of described catoptron, and the width of the width of the wing and microscler lamp luminescence face matches.
6. reflector type distributed photometer as claimed in claim 5, the width that it is characterized in that the widest part of described both wings formula mirror middle part minute surface is 700-1000mm, length is 1550-2300mm between described both wings outer end, and the width of the described wing is 350-400mm.
7. such as claim 5 or 6 described reflector type distributed photometers, it is characterized in that described the second device of rotation driving be contained on the transverse axis or be contained in parts that transverse axis is fixedly connected with on.
8. such as claim 5 or 6 described reflector type distributed photometers, it is characterized in that described the second device of rotation driving be installed on the position that main swivel arm departs from transverse axis or be installed in parts that depart from transverse axis that main swivel arm is fixedly connected with on.
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| CN 201110078544 CN102221403B (en) | 2011-03-30 | 2011-03-30 | Reflector type distributed photometer |
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| TWI476380B (en) * | 2013-12-30 | 2015-03-11 | Univ Nat Chiao Tung | light measurement system and radiometric curve measurement method for the same |
| CN109632097A (en) * | 2019-02-19 | 2019-04-16 | 广东蚂标检测技术有限公司 | A kind of test device and application method of distributed photometer |
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| CN201600187U (en) * | 2010-01-13 | 2010-10-06 | 杭州新叶光电工程技术有限公司 | Locating self-adaptive device of distribution type photometer luminaire |
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- 2011-03-30 CN CN 201110078544 patent/CN102221403B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN1460844A (en) * | 2003-06-11 | 2003-12-10 | 浙江大学 | Rotary working table of rotary reflector type distribution photometer |
| CN2745044Y (en) * | 2004-09-29 | 2005-12-07 | 杭州远方光电信息有限公司 | Test turntable of distribution photometer |
| CN101158600A (en) * | 2007-06-05 | 2008-04-09 | 杭州远方光电信息有限公司 | Distribution photometer |
| CN101713686A (en) * | 2009-12-16 | 2010-05-26 | 杭州新叶光电工程技术有限公司 | Positioning self-adaptive device of distributed photometer lamp |
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