CN101788335A - Distributed photometer light fitting locating self-adaption device - Google Patents
Distributed photometer light fitting locating self-adaption device Download PDFInfo
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- CN101788335A CN101788335A CN201010039682A CN201010039682A CN101788335A CN 101788335 A CN101788335 A CN 101788335A CN 201010039682 A CN201010039682 A CN 201010039682A CN 201010039682 A CN201010039682 A CN 201010039682A CN 101788335 A CN101788335 A CN 101788335A
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- swivel arm
- light fixture
- rotation
- driving wheel
- movable sprocket
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Abstract
The invention provides a distributed photometer light fitting locating self-adaption device which comprises a fulcrum rotating arm provided with a light fitting surrounding reflecting mirror, and a rotation shaft of a light fitting, wherein the rotating arm is provided with a chain transmission mechanism which comprises a fixed chain wheel that is fixed and does not rotate; the chain transmission mechanism also comprises a moving chain wheel; the device is also provided with a reverse compensation rotating arm provided with the light fitting, and the reverse compensation rotating arm rotates together with the moving chain wheel; and the rotation shaft of the light fitting is connected on the reverse compensation rotating arm. By adopting the technical scheme, the device can realize equal angle reverse rotating compensation by chain transmission (or belt transmission), and has simple structure and reliable work; and a complicated control mechanism is not needed by reverse compensation rotation, and the work load is low, so that the defects in the prior art can be overcome.
Description
Technical field
The present invention relates to the lamp lighting field tests, relate in particular to distributed photometer light fitting locating self-adaption device.
Background technology
The development of lighting engineering requires more and more higher to the characteristics of luminescence of light fixture, today of energy scarcity particularly, the luminescence efficiency of lighting, light distribution property (distribution curve flux) all need be used fine measuring instrument to the optical parametrics such as reproduction performance of object color and measure.The instrument of the first two of lighting being planted optical characteristic measurement is called distributed photometer, the illumination engineer can carry out the illuminating engineering design according to lamp luminescence efficient that measures and distribution curve flux application illumination Design software, reaches corresponding country and international standard.
For example, outdoor road Lighting Design has corresponding country and international standard, the road of different brackets is determined illumination, brightness, the homogeneity of road lighting and the requirement of roadside illumination on road surface or the like.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, along with the success of light source Research on New, high-pressure mercury lamp, metal halide lamp (Metal halogen lamp), LED, light sources such as ceramic gold-halogen lamp also are applied to road lighting in a large number.
Name plants Different Light because their luminescence mechanism differences, luminescence efficiency is relevant with the light fixture ignition position, applying high voltage sodium vapor lamp for example, metal halide lamp (Metal halogen lamp), the light fixture of light sources such as ceramic gold-halogen lamp, the luminescence efficiency that same light fixture horizontal direction is lighted is different with the luminescence efficiency that vertical direction is lighted.Therefore, the application distribution photometer carries out luminescence efficiency to such light fixture, and when distribution curve flux was measured, the state of lighting of light fixture did not allow to change, and prevented because the light fixture ignition position changes the error of bringing into.Fig. 1 is the rotary mirror type distributed photometer test philosophy of using always, light fixture L makes circular motion with certain radius of gyration around rotation axis A, the light that it sends is penetrated outward through 45 degree mirror M, the photo-detector D of receiving beam places from tens meters of catoptrons meter r place surplus 30, 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, the moving axis C rotation that can also widely differently rotate of this outer lamp, after light fixture rotates a circle, 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 obtain the luminescence efficiency of light fixture, distribution curve flux figure.The illumination engineer can carry out the illuminating engineering design with illumination Design software.
The rotation of B axle is particular importance in the distributed photometer design, because it is moving through doing widely different transhipment for the F circle track of R along half that surveying instrument must guarantee light fixture, make measuring distance constant, the light fixture operating attitude remains unchanged simultaneously, otherwise when the rotation of B axle, measuring distance changes, the light fixture operating attitude changes, and just produces very big measuring error.
Present existing distributed photometer is realized above-mentioned requirements in the following manner;
1,, sees China invention ZL 03129198.8 as the mode of Fig. 1.It adorns a driven in synchronism case of being made up of worm and gear on rotation axis B, rotation direction is opposite with rotation axis A, the goniometer whether applying detection light fixture turning axle is in vertical position, the output of goniometer is used to adjust the control signal of rotation axis B speed, B revises to rotation axis, and there is defective in the method, in case software is out of control, rotation axis B just can not effectively be revised, cause the light fixture movement locus to wander off, the distance between light fixture and the detector changes, and causes measuring error, testing apparatus need be restarted starting, sometimes test job near finishing, has occurred influencing job schedule after the problems referred to above, in addition, there are some problems in complex structure, reliability.
2,, see Chinese utility model patent ZL 20040090615.X as the mode of Fig. 2.It adds a weight G in rotation axis B bottom, use its weight balancing light fixture, like this, when the widely different transhipment of light fixture is moving,, gravity can keep the light fixture operating attitude constant because concerning, method is fairly simple, but its shortcoming is the load that has increased rotation axis B greatly, because equipment maximum detection light fixture reaches 50 kilograms, therefore want balance 50Kg light fixture weight to the moment of torsion of rotation axis B (establishing rotation axis C summit to the distance of light fixture B axle measuring center is e=1m), when B axle and the rotation of A axle, e changes to 1 meter from 0, so moment of torsion changes, when e=0, moment of torsion is zero, and the operating attitude of this moment is that measuring condition is prerequisite.But, be the moment of torsion of balance light fixture to the B axle, the moment of torsion of weight own must be greater than the moment of torsion of light fixture, it has bigger weight, so, the method increased equipment widely different rotation member weight, reduced the reliability of work.
Summary of the invention
Technical matters to be solved by this invention provides a kind of distributed photometer light fitting locating self-adaption device of reliable operation.For this reason, the present invention is by the following technical solutions: it comprises with the swivel arm of light fixture around the widely different commentaries on classics of reflective mirror, the axis of rotation of light fixture, be provided with chain-drive mechanism in the described swivel arm, described chain-drive mechanism comprises not movable sprocket, the central axes of the axial line of described not movable sprocket and the rotation axis of swivel arm, and movable sprocket is not fixed and does not rotate, described chain-drive mechanism also comprises movable sprocket, the rotational angular velocity of described movable sprocket equates direction of rotation with the rotational angular velocity of swivel arm, described device also is provided with the reverse compensation swivel arm of light fixture, described reverse compensation swivel arm rotates with movable sprocket, the central axis of the rotation axis of described reverse compensation swivel arm and the central axes of movable sprocket, the axis of rotation of described light fixture are connected on the reverse compensation swivel arm.
For solving the problems of the technologies described above, the present invention also can be by the following technical solutions: it comprises with the swivel arm of light fixture around the widely different commentaries on classics of reflective mirror, the axis of rotation of light fixture, be provided with tape handler in the described swivel arm, described tape handler comprises not driving wheel, the central axes of the axial line of described not driving wheel and the rotation axis of swivel arm, and driving wheel is not fixed and does not rotate, described tape handler also comprises driving wheel, described driving wheel and not connecting by driving-belt between the driving wheel, the rotational angular velocity of described driving wheel equates direction of rotation with the rotational angular velocity of swivel arm, described device also is provided with the reverse compensation swivel arm of light fixture, described reverse compensation swivel arm rotates with driving wheel, the central axis of the rotation axis of described reverse compensation swivel arm and the central axes of driving wheel, the axis of rotation of described light fixture are connected on the reverse compensation swivel arm.
Owing to adopt technical scheme of the present invention, realize the equal angles backward rotation compensation of light fixture by chain transmission (or band transmission), simple in structure, reliable operation, oppositely compensation is rotated does not need complicated control gear, working load little, has overcome the defective that prior art exists.
Description of drawings
Fig. 1 is the side-looking and main the looking in conjunction with synoptic diagram of the related a kind of distributed photometer of background technology.
Fig. 2 is the synoptic diagram of the related another kind of distributed photometer of background technology.
Fig. 3 is the synoptic diagram of distributed photometer light fitting locating self-adaption device embodiment provided by the present invention.
Fig. 4 is the chain layout in the swivel arm in embodiment illustrated in fig. 3.
Fig. 5 be embodiment illustrated in fig. 3 in, the integrality demonstration graph of swivel arm under different rotational angles.
Embodiment
With reference to accompanying drawing 3,4,5.The present invention includes with light fixture 100 around the swivel arm 1 of reflective mirror 200 widely different commentaries on classics, the axis of rotation 2 of light fixture, described swivel arm 1 is installed on the support 3, and by the driven by motor rotation, drawing reference numeral 300 is a photo-detector.
Be provided with chain-drive mechanism in the described swivel arm, described chain-drive mechanism comprises not movable sprocket 41, the central axes of the rotation axis 1A of the axial line of described not movable sprocket and swivel arm, and movable sprocket is not fixed on the support 3 and does not rotate, described chain-drive mechanism also comprises movable sprocket 42, when swivel arm rotates, movable sprocket is because of being contained on the swivel arm 1 and carrying out two kinds of motions simultaneously by chain 43 and movable sprocket not, one is moving for doing with swivel arm around the widely different transhipment of reflective mirror 200, it is two for driving the rotation carry out because of chain, the rotational angular velocity of described movable sprocket rotation equates direction of rotation with the rotational angular velocity of swivel arm, described device also is provided with the reverse compensation swivel arm 5 of light fixture, described reverse compensation swivel arm 5 rotates with movable sprocket 42, the central axis of the rotation axis 5B of described reverse compensation swivel arm and the central axes of movable sprocket, it is fixedly connected with the rotation axis of movable sprocket or can be two different sections that are on the same axis oppositely to compensate the rotation axis 5B of swivel arm.The axis of rotation 2 of described light fixture is connected on the reverse compensation swivel arm 5, and lamp installation is in the lower end of the axis of rotation 2.
Described not movable sprocket 41, movable sprocket 42 are identical sprocket wheel, and its diameter counts up to identical entirely with tooth.In order to eliminate chaindriven gap, be provided with stretching pulley 44.
In the present invention, movable sprocket 41 is unfixing with support 3, it maintains static and movable sprocket 42 rotates by chain drive thereupon during swivel arm 1 motion, because movable sprocket 41 is fixed on the support, movable sprocket 41 is not identical with movable sprocket 42 tooth numbers, and the rotation direction of movable sprocket 42 is identical with the angle that rotation axis 1A rotates, and direction is opposite, so just guaranteed that light fixture operating attitude when the 1A axle rotates remains at the upright position, reaches the light fitting locating self-adaption characteristic.
The present invention is applicable between any rotation axis 1A and the rotation axis 5B and is specially adapted to large-sized distributed photometer apart from the distributed photometer of d, just can meet design requirement as long as regulate chain length.
Oppositely the center of gravity line of the central axis of the rotation axis of compensation swivel arm and light fixture intersects, like this, because the light fixture center of gravity is by the central axis of rotation axis 5B, the moment that keep the light fixture attitude is very little, only consumes the operating attitude that less NE BY ENERGY TRANSFER just can keep light fixture.
Chain-drive mechanism can be substituted by tape handler in the present invention, and described tape handler can be synchronous belt drive mechanism, and other structure is identical with aforementioned embodiments.
Claims (7)
1. distributed photometer light fitting locating self-adaption device, comprise with the swivel arm of light fixture around the widely different commentaries on classics of reflective mirror, the axis of rotation of light fixture, it is characterized in that being provided with chain-drive mechanism in the described swivel arm, described chain-drive mechanism comprises not movable sprocket, the central axes of the axial line of described not movable sprocket and the rotation axis of swivel arm, and movable sprocket is not fixed and does not rotate, described chain-drive mechanism also comprises movable sprocket, the rotational angular velocity of described movable sprocket equates direction of rotation with the rotational angular velocity of swivel arm, described device also is provided with the reverse compensation swivel arm of light fixture, described reverse compensation swivel arm rotates with movable sprocket, the central axis of the rotation axis of described reverse compensation swivel arm and the central axes of movable sprocket, the axis of rotation of described light fixture are connected on the reverse compensation swivel arm.
2. a kind of distributed photometer light fitting locating self-adaption device as claimed in claim 1 is characterized in that described movable sprocket is identical sprocket wheel with movable sprocket not.
3. a kind of distributed photometer light fitting locating self-adaption device as claimed in claim 1 is characterized in that oppositely compensating the central axis of rotation axis of swivel arm and the center of gravity line of light fixture and intersects.
4. a kind of distributed photometer light fitting locating self-adaption device as claimed in claim 1 is characterized in that being provided with stretching pulley in the described chain-drive mechanism.
5. distributed photometer light fitting locating self-adaption device, comprise with the swivel arm of light fixture around the widely different commentaries on classics of reflective mirror, the axis of rotation of light fixture, it is characterized in that being provided with tape handler in the described swivel arm, described tape handler comprises not driving wheel, the central axes of the axial line of described not driving wheel and the rotation axis of swivel arm, and driving wheel is not fixed and does not rotate, described tape handler also comprises driving wheel, described driving wheel and not connecting by driving-belt between the driving wheel, the rotational angular velocity of described driving wheel equates direction of rotation with the rotational angular velocity of swivel arm, described device also is provided with the reverse compensation swivel arm of light fixture, described reverse compensation swivel arm rotates with driving wheel, the central axis of the rotation axis of described reverse compensation swivel arm and the central axes of driving wheel, the axis of rotation of described light fixture are connected on the reverse compensation swivel arm.
6. a kind of distributed photometer light fitting locating self-adaption device as claimed in claim 5 is characterized in that described driving wheel is identical wheel with driving wheel not.
7. a kind of distributed photometer light fitting locating self-adaption device as claimed in claim 5 is characterized in that oppositely compensating the central axis of rotation axis of swivel arm and the center of gravity line of light fixture and intersects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010039682A CN101788335A (en) | 2010-01-13 | 2010-01-13 | Distributed photometer light fitting locating self-adaption device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010039682A CN101788335A (en) | 2010-01-13 | 2010-01-13 | Distributed photometer light fitting locating self-adaption device |
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| CN101788335A true CN101788335A (en) | 2010-07-28 |
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| CN201010039682A Pending CN101788335A (en) | 2010-01-13 | 2010-01-13 | Distributed photometer light fitting locating self-adaption device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106742150A (en) * | 2016-12-09 | 2017-05-31 | 温州佳德包装机械有限公司 | Single rotating disk multistation carton packaging mechanism |
| US10252054B2 (en) | 2011-03-01 | 2019-04-09 | Cochlear Limited | Distributed processing of electrophysiological signals |
-
2010
- 2010-01-13 CN CN201010039682A patent/CN101788335A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10252054B2 (en) | 2011-03-01 | 2019-04-09 | Cochlear Limited | Distributed processing of electrophysiological signals |
| CN106742150A (en) * | 2016-12-09 | 2017-05-31 | 温州佳德包装机械有限公司 | Single rotating disk multistation carton packaging mechanism |
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Open date: 20100728 |