CN202814546U - Fixed light source type full spatial distribution luminosity tester - Google Patents

Fixed light source type full spatial distribution luminosity tester Download PDF

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Publication number
CN202814546U
CN202814546U CN 201220464232 CN201220464232U CN202814546U CN 202814546 U CN202814546 U CN 202814546U CN 201220464232 CN201220464232 CN 201220464232 CN 201220464232 U CN201220464232 U CN 201220464232U CN 202814546 U CN202814546 U CN 202814546U
Authority
CN
China
Prior art keywords
vertical
pivoted arm
crank
light source
rotation
Prior art date
Application number
CN 201220464232
Other languages
Chinese (zh)
Inventor
凌铭
黄中荣
张建文
章世骏
卜伟理
Original Assignee
上海机动车检测中心
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Application filed by 上海机动车检测中心 filed Critical 上海机动车检测中心
Priority to CN 201220464232 priority Critical patent/CN202814546U/en
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Publication of CN202814546U publication Critical patent/CN202814546U/en

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Abstract

The utility model provides a fixed light source type full spatial distribution luminosity tester. The tester comprises: a pedestal; a vertical rotating mechanism arranged on the pedestal; a vertical U-shaped rotating arm which is formed by a crossbeam and two arms and is fixed on the vertical rotating mechanism; horizontal rotating mechanisms arranged on inner sides of the two arms of the vertical U-shaped rotating arm; a horizontal U-shaped rotating arm which is formed by a crossbeam and two arms, wherein two arms of the horizontal U-shaped rotating arm are connected to the horizontal rotating mechanisms; a detected light source correction support, wherein one end of the support is fixed the center of the crossbeam of the vertical U-shaped rotating arm, and the other end of the support is suitable for a detected light source to be placed; a positioning laser which is fixed on the horizontal U-shaped rotating arm and is in the same axial line with the horizontal rotating mechanisms; and a light detector fixed in the center of crossbeam of the horizontal U-shaped rotating arm, wherein a central line of the light detector and a central line of the detected light source correction support are in the same vertical plane. Through a brand new conception about a structure of the tester, the measuring precision can be effectively improved.

Description

The total space distributed luminosity tester of fixed light source formula
Technical field
The utility model relates to a kind of total space distributed luminosity tester of fixed light source formula, is used for the various model Vehicular lamps of fixed installation position and needs luminous flux, light distribution and the photochromic distribution of the various light sources such as Projecting Lamp that fixed angle installs and light fixture to carry out near field total space precision measurement.
Background technology
The measurement of distributed luminosity generally realizes luminous flux, the luminous intensity distribution measurement of light source or light fixture, with the photochromic distribution of spectrometer measurement with illumination photometry.During measurement, by measuring the Illumination Distribution of the simulation sphere centered by measured light, calculate the total light flux of measured light by numerical integration, calculate every light intensity and then draw the space distribution of light intensity by the illumination inverse square law, go out every photochromic and then draw photochromic space distribution by spectrometer measurement, above-mentioned three kinds of measuring methods all are the methods of International Commission on Illumination (CIE) recommendation, and the luminous flux measurement method is again the reference measurement method.
The present situation of prior art is: except can't accurately determining the center of measured light, depart from photo-detector and outside quite large on test result impact, test of light source change in location or motion also can affect the result of measurement, this be because: 1, after the measured light change in location, variation has occured in radiating condition, variation has also occured in the emergent light direction, thereby affects test result; 2, measured light produces air-flow because of motion, causes measured light surface, heat dispersion heat sink temperature to change, thereby affect test result; 3, the discharge arc of lighting change in location of gas-discharge lamp or move, the geospace magnetic line of force can affect the arc-distribution in the lamp, and then affect the job stability of lamp; 4, the vibration that produces because of circular motion of measured light can affect the steady operation of light source.Therefore, photo-detector can not accurately be aimed at the measured light center during test, and measured light can not keep transfixion under the actual working state, can't finish again global space of planes test if the maintenance measured light is motionless, method lacks scientific, so test error is larger.
Existing distribution photometer mainly contains two kinds:
A kind of is light source displacement type total space distribution photometer, it is by rotating the position of light source to be measured, and rotate to realize the detection of luminous flux, photochromic and light intensity by photo-detector, measured light needs vertically over the ground irradiation during detection, can not test the measured light of other shooting angle, and ground has reflection in the face of light, therefore can not guarantee measuring accuracy;
Another kind is the non-total space distribution photometer of fixed light source formula, and it makes vertical rotation by the U-shaped pivoted arm on the pedestal, and the photo-detector on the pivoted arm can turn around transverse axis simultaneously, finishes the test to the measured light of suspention.Though the non-total space distribution photometer of fixed light source formula can guarantee the invariant position of measured light, but during test, pivoted arm with photo-detector is stopped by the measured light suspension apparatus, can't forward the angular range of each about 30 degree of suspension apparatus both sides to, can't finish the total space measures, can not measure luminous flux, the light intensity that tests out and photochromic distribution are the conclusions of segment space.Except defects, two kinds of distributed photometers all can not carry out the accurate adjustment location to the locus of measured light.
The utility model content
Above-mentioned weak point for prior art, the utility model aims to provide a kind of fixed light source formula whole world space of planes distributed luminosity tester that can significantly improve measuring accuracy, its center that not only can allow photo-detector accurately aim at measured light is tested, and can allow the measured light position immobilize, light source can be placed by actual working state, can keep working continually and steadily under the normal burning-point duty, realize on this basis the precision measurement of luminous flux, light distribution and the photochromic distribution of the total space.
Particularly, the utility model provides the total space distributed luminosity tester of fixed light source formula, comprising: pedestal; Vertical rotation mechanism is arranged on the described pedestal; The Vertical U-type pivoted arm is consisted of and is fixed in the described vertical rotation mechanism by crossbeam and two arms; Rotation mechanism in vertical shaft, the inboard that is arranged at two arms of described Vertical U-type pivoted arm is located; The U-shaped pivoted arm of level is made of and two arms of the U-shaped pivoted arm of described level are connected in described rotation mechanism in vertical shaft crossbeam and two arms; Measured light correcting bracket, one end are fixed in the crossbeam center of described Vertical U-type pivoted arm, and its other end is suitable for placing measured light; The locating laser device is fixed on the U-shaped pivoted arm of described level, and is on the same axial line with described rotation mechanism in vertical shaft; And photo-detector, being fixed on the center of the crossbeam of the U-shaped pivoted arm of described level, the center line of wherein said photo-detector and described measured light correcting bracket is in same perpendicular.
Preferably, in above-mentioned total space distributed luminosity tester, the built-in vertical axis of rotation of described pedestal, and described vertical rotation mechanism places the axle head of described vertical axis of rotation.
Preferably, in above-mentioned total space distributed luminosity tester, two arm front ends of the U-shaped pivoted arm of described level have respectively the revolution balance weight.
Preferably, in above-mentioned total space distributed luminosity tester, described measured light correcting bracket further comprises: supporting seat places on the described Vertical U-type pivoted arm; Correcting mount allows front and back or left and right displacement braking on described supporting seat; The first and second crank-type support bars, its bottom and on the spot being connected on the described correcting mount, the crank of wherein said the first and second crank-type support bars toward each other uncovered; The first and second magnet bases are arranged at respectively the top of described the first and second crank-type support bars, and described the first and second magnet bases have respectively one first and second magnet base switch; And light source base, being suitable for placing measured light, wherein said the first and second magnet bases can be by magnetic-adsorption in described light source base.
Preferably, in above-mentioned total space distributed luminosity tester, the bottom of described the first crank-type support bar is connected on the described correcting mount by the first alignment pin and the first coupling bolt, and the bottom of described the second crank-type support bar is connected on the described correcting mount by the second alignment pin and the second coupling bolt.
Preferably, in above-mentioned total space distributed luminosity tester, the place has respectively the height control knob in the middle of the crank of described the first and second crank-type support bars.
The beneficial effects of the utility model are: the utility model has successfully solved fixed light source can not Accurate Measurement measured light center, two difficult problems of luminous flux, light distribution and photochromic distribution that can not total space high precision measurement measured light.Particularly, the utility model provides a kind of measured light correcting bracket of novel structure, this support one is the spatial positioning accuracy that can guarantee measured light, can realize in theory the zero error location, reach the locus of getting off to adjust measured light by all around, by the central point of the definite measured light of locating laser device indication, having solved traditional distribution photometer can't adjust, and can't determine the difficult problem at measured light center; The 2nd, can guarantee global space of planes non-blind area test, by two support bars namely the first and second crank-type support bars one vertical face upward, allow photo-detector in perpendicular, can rotate by 360 degree, guarantee to stop the optional position, solved the difficult problem that to carry out total space test.Equipment of the present utility model has enlarged significantly measurement range, has improved measuring accuracy significantly.
Should be appreciated that the above generality of the utility model is described and the following detailed description all is exemplary and explanat, and be intended to provide further explanation for as claimed in claim the utility model.
Description of drawings
Comprise that accompanying drawing is for providing the utility model further to be understood, they are included and are consisted of the application's a part, and accompanying drawing shows embodiment of the present utility model, and play the effect of explaining the utility model principle with this instructions.In the accompanying drawing:
Fig. 1 is the front view according to total space distributed luminosity tester of the present utility model.
Fig. 2 is A-A cut-open view among Fig. 1.
Fig. 3 is the synoptic diagram that the first crank-type support bar among Fig. 2 is in open mode.
Fig. 4 is the synoptic diagram that the second crank-type support bar among Fig. 2 is in open mode.
Description of reference numerals:
1 pedestal
2 Vertical U-type pivoted arms
201 vertical rotation mechanisms
202 rotation mechanism in vertical shafts
The U-shaped pivoted arm of 3 levels
302 balance weights
4 Light source correction supports
401 supporting seats
402 correcting mounts
403 first crank-type support bars
404 second crank-type support bars
405 height control knobs
406 second magnet base switches
407 light source bases
408 first magnet base switches
409 first magnet bases
410 second magnet bases
411 first alignment pin
412 first coupling bolts
413 second alignment pin
414 second coupling bolts
5 locating laser devices
6 photo-detectors
7 measured lights
Embodiment
Now embodiment of the present utility model will be described with reference to the drawings in detail.Now will be in detail with reference to preferred embodiment of the present utility model, its example is shown in the drawings.In the case of any possible, in institute's drawings attached, will represent with identical mark same or analogous part.In addition, although employed term is to select from public term in the utility model, but some mentioned terms may be that the applicant selects by his or her judgement in the utility model instructions, and its detailed meanings illustrates in the relevant portion of the description of this paper.In addition, require not only by employed actual terms, but also will understand the utility model by the meaning that each term contains.
Fig. 1 is the front view according to total space distributed luminosity tester of the present utility model.As shown in Figure 1, the total space distributed luminosity tester of fixed light source formula of the present utility model mainly comprises: pedestal 1, Vertical U-type pivoted arm 2, the U-shaped pivoted arm 3 of level, measured light correcting bracket 4, locating laser device 5 and photo-detector 6.
With reference to figure 1, vertical rotation mechanism 201 is arranged on the pedestal 1.According to a preferred embodiment, this pedestal 1 can a built-in vertical axis of rotation (not shown), and vertical rotation mechanism 201 places the axle head of this vertical axis of rotation.
The U-shaped pivoted arm 3 of Vertical U-type pivoted arm 2 and level consists of by crossbeam and two arms.Wherein, Vertical U-type pivoted arm 2 is fixed in the vertical rotation mechanism 201, and this vertical rotation mechanism 201 can drive Vertical U-type pivoted arm 2 vertical rotation on it.Rotation mechanism in vertical shaft 202 is arranged at the place, inboard of two arms of this Vertical U-type pivoted arm 2, horizontally rotates in order to the U-shaped pivoted arm 3 of driving level.Two arms of the U-shaped pivoted arm 3 of level are connected in this rotation mechanism in vertical shaft 202.
Preferably, two arm front ends of the U-shaped pivoted arm 3 of this level can be respectively arranged with revolution balance weight 302, and it can guarantee the rotation precision of the U-shaped pivoted arm 3 of level.
Crossbeam center and the other end that one end of measured light correcting bracket 4 is fixed in Vertical U-type pivoted arm 2 are suitable for placing measured light.The test that this measured light correcting bracket 4 is used for determining the test center of light source and finishes total space distributed luminosity.
In addition, as shown in the figure, locating laser device 5 is fixed on the U-shaped pivoted arm 3 of level, and is on the same axial line with rotation mechanism in vertical shaft 202.This locating laser device 5 can be used for measuring and indicating the central point of measured light 7.
Photo-detector 6 is fixed on the center of the crossbeam of the U-shaped pivoted arm 3 of level, its revolution of this crossbeam band.In addition, both center lines of this photo-detector 6 and this measured light correcting bracket 4 are in same perpendicular, to guarantee measuring accuracy.
Forward now Fig. 2~Fig. 4 to, it clearly show that the structure of measured light correcting bracket 4 of the present utility model.With respect to Fig. 1, Fig. 2~Fig. 4 is the side view of this measured light correcting bracket 4.
The point of crossing of the horizontal rotation axis of the vertical axis of rotation line of Vertical U-type pivoted arm 2 and the U-shaped pivoted arm 3 of level is exactly test center's point of measured light, and Light source correction support 4 is the keys of finding this test center's point accurately, also is the key that determines measuring accuracy.
As shown in the figure, in this measured light correcting bracket 4, supporting seat 401 places on the Vertical U-type pivoted arm 2.Correcting mount 402 allows front and back or left and right displacement braking on described supporting seat 401.The first and second crank-type support bars 403,404 bottom also on the spot are connected on the correcting mount 402.Particularly, the crank of this first and second crank-types support bar 403,404 is toward each other uncovered.
According to a preferred embodiment of the present utility model, as shown in Figure 3, the bottom of this first crank-type support bar 403 is connected on the correcting mount 402 by the first alignment pin 411 and the first coupling bolt 412, and the bottom of the second crank-type support bar 404 is connected on this correcting mount 402 by the second alignment pin 413 and the second coupling bolt 414.
According to another preferred embodiment of the present utility model, the place has respectively height control knob 405 in the middle of the first and second crank-type support bars 403,404 the crank.
The first and second magnet bases 409,410 are arranged at respectively above-mentioned the first and second crank-type support bars 403,404 top.This first and second magnet base 409,410 has respectively one first and second magnet base switch 406,408.Light source base 407 is used for placing measured light, and wherein the first and second magnet bases 409,410 can be by magnetic-adsorption in described light source base.
According to said structure, find the central point of measured light 7 accurately, the necessary position of adjustment correcting mount 402 on supporting seat 401,401 of correcting mount 402 and supporting seats can arrange feed screw mechanism, with the displacement braking of realization upper and lower, left and right, thus the horizontal direction center of definite measured light.Regulate the height control knob 405 on first, second crank-type support bar 403,404, can determine the vertical direction center of measured light, under the indication of locating laser device 5, but the space center position of Accurate Measurement measured light 7 is just seen Fig. 2 for details.
In addition, this measured light correcting bracket 4 also is the key that realizes measured light 7 is carried out total space test.Again with reference to figure 3 and Fig. 4, on the correcting mount 402 of correcting bracket 4, by first, second alignment pin 411,413 and first, second coupling bolt 412,414, fix first, second crank-type support bar 403,404.As mentioned above, be fixed on first of two crank-type supporting bar tops, the second magnet base 409,410 can distinguish strong adsorption light source base 407, two crank-type support bars that one in front and one in back arrange are that it is in opposite directions uncovered and stand on the correcting mount 402, the purpose that this crank is uncovered is photo-detector can be returned circle, namely extract the first or second alignment pin 411 or 413, open the first or second magnetic support switch 408,406, make the first or second support bar 403 or 404, around the first or second coupling bolt 412 or 414 past layback, open an angle, another they sup-port light source base, allow the U-shaped pivoted arm 3 of level can forward the upright position of measured light below to, alternately one face upward one vertically, finish photo-detector 6 and return around transverse axis and circle, thereby realize the test of the total space.
During test, the U-shaped pivoted arm 3 of level stops after whenever turning over a stepping angle θ, Vertical U-type pivoted arm 2 φ that circles.Below light source base, use first, the second crank-type support bar 403,404 come the measured light 7 on the supporting light sources seat 407, the crank-type support bar can make the U-shaped pivoted arm 3 of level circle, namely allow the U-shaped pivoted arm 3 of level can forward upright position below the light source to, method can be by noted earlier, allow a crank-type support bar be kept upright (Fig. 3 or Fig. 4), open the magnetic switch on another crank-type support bar, it is put down, namely one face upward a vertical U-shaped pivoted arm 3 of realization level and circle, so that when measuring, only come measured light 7 on the supporting light sources seat 407 with a crank-type support bar.Like this, guarantee photo-detector the U-shaped pivoted arm 3 of level go to arbitrarily angled parked after, Vertical U-type pivoted arm 2 circles, and can finish the comprehensive test of the total space.
Confirm that through practice total space distributed luminosity tester successful of the present utility model adopts the utility model Light source correction support, first measured light is fixed, then accurately locate with laser the adjustment locus, measures with combining with the photo-detector space omnidirectional.The utility model is skillfully constructed, simple structure, easy and simple to handle, methodological science, and performance is complete and precision is high.
Those skilled in the art can be obvious, can carry out various modifications and variations and not depart from spirit and scope of the present utility model above-mentioned exemplary embodiment of the present utility model.Therefore, be intended to make the utility model to cover to drop in appended claims and the equivalence techniques scheme scope thereof to modification of the present utility model and modification.

Claims (6)

1. the total space distributed luminosity tester of a fixed light source formula is characterized in that, comprising:
Pedestal;
Vertical rotation mechanism is arranged on the described pedestal;
The Vertical U-type pivoted arm is consisted of and is fixed in the described vertical rotation mechanism by crossbeam and two arms;
Rotation mechanism in vertical shaft, the inboard that is arranged at two arms of described Vertical U-type pivoted arm is located;
The U-shaped pivoted arm of level is made of and two arms of the U-shaped pivoted arm of described level are connected in described rotation mechanism in vertical shaft crossbeam and two arms;
Measured light correcting bracket, one end are fixed in the crossbeam center of described Vertical U-type pivoted arm, and its other end is suitable for placing measured light;
The locating laser device is fixed on the U-shaped pivoted arm of described level, and is on the same axial line with described rotation mechanism in vertical shaft; And
Photo-detector is fixed on the center of the crossbeam of the U-shaped pivoted arm of described level, and the center line of wherein said photo-detector and described measured light correcting bracket is in same perpendicular.
2. total space distributed luminosity tester as claimed in claim 1 is characterized in that, the built-in vertical axis of rotation of described pedestal, and described vertical rotation mechanism places the axle head of described vertical axis of rotation.
3. total space distributed luminosity tester as claimed in claim 1 is characterized in that, two arm front ends of the U-shaped pivoted arm of described level have respectively the revolution balance weight.
4. total space distributed luminosity tester as claimed in claim 1 is characterized in that, described measured light correcting bracket further comprises:
Supporting seat places on the described Vertical U-type pivoted arm;
Correcting mount allows front and back or left and right displacement braking on described supporting seat;
The first and second crank-type support bars, its bottom and on the spot being connected on the described correcting mount, the crank of wherein said the first and second crank-type support bars toward each other uncovered;
The first and second magnet bases are arranged at respectively the top of described the first and second crank-type support bars, and described the first and second magnet bases have respectively one first and second magnet base switch; And
Light source base is suitable for placing measured light, and wherein said the first and second magnet bases can be by magnetic-adsorption in described light source base.
5. total space distributed luminosity tester as claimed in claim 4, it is characterized in that, the bottom of described the first crank-type support bar is connected on the described correcting mount by the first alignment pin and the first coupling bolt, and the bottom of described the second crank-type support bar is connected on the described correcting mount by the second alignment pin and the second coupling bolt.
6. total space distributed luminosity tester as claimed in claim 4 is characterized in that, the place has respectively the height control knob in the middle of the crank of described the first and second crank-type support bars.
CN 201220464232 2012-09-12 2012-09-12 Fixed light source type full spatial distribution luminosity tester CN202814546U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103353391A (en) * 2013-07-10 2013-10-16 中国船舶重工集团公司第七一七研究所 Measuring device and method for spatial luminosity distribution property of aiming lamp box
CN103674236A (en) * 2012-09-12 2014-03-26 上海机动车检测中心 Fixed light source-type full space distribution luminosity measurement instrument
CN104964614A (en) * 2015-05-18 2015-10-07 南京理工大学 Off-axis hanger mechanism for deflection of guided missile
CN110017896A (en) * 2019-04-03 2019-07-16 大连工业大学 Space photometric distribution method for fast measuring and photometric measuring apparatus
CN110196154A (en) * 2019-06-12 2019-09-03 佛山市南海区联合广东新光源产业创新中心 A kind of luminosity measurement device and method of mobile light source

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674236A (en) * 2012-09-12 2014-03-26 上海机动车检测中心 Fixed light source-type full space distribution luminosity measurement instrument
CN103674236B (en) * 2012-09-12 2015-08-26 上海机动车检测中心 The total space distributed luminosity tester of fixed light source formula
CN103353391A (en) * 2013-07-10 2013-10-16 中国船舶重工集团公司第七一七研究所 Measuring device and method for spatial luminosity distribution property of aiming lamp box
CN103353391B (en) * 2013-07-10 2015-10-14 中国船舶重工集团公司第七一七研究所 Aim at space luminosity distribution character measurement mechanism and the measuring method of lamp box
CN104964614A (en) * 2015-05-18 2015-10-07 南京理工大学 Off-axis hanger mechanism for deflection of guided missile
CN110017896A (en) * 2019-04-03 2019-07-16 大连工业大学 Space photometric distribution method for fast measuring and photometric measuring apparatus
CN110196154A (en) * 2019-06-12 2019-09-03 佛山市南海区联合广东新光源产业创新中心 A kind of luminosity measurement device and method of mobile light source

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