CN201583344U - Luminaire positioning self-adapting device for distribution-type photometer - Google Patents
Luminaire positioning self-adapting device for distribution-type photometer Download PDFInfo
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- CN201583344U CN201583344U CN2009202027215U CN200920202721U CN201583344U CN 201583344 U CN201583344 U CN 201583344U CN 2009202027215 U CN2009202027215 U CN 2009202027215U CN 200920202721 U CN200920202721 U CN 200920202721U CN 201583344 U CN201583344 U CN 201583344U
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- swivel arm
- luminaire
- light fixture
- planet wheel
- gear
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Abstract
The utility model provides a luminaire positioning self-adapting device for a distribution-type photometer. The luminaire positioning self-adapting device comprises a rotating arm driving a luminaire to revolve around a reflective mirror, a motor driving the rotating arm to rotate, and a rotation axis of the luminaire, wherein a gear set is arranged in the rotating arm, and comprises a fixed gear and a plurality of stepped planetary gears arranged in the length direction of the rotating arm; the luminaire positioning self-adapting device is also provided with a reverse compensation rotating arm for the luminaire, and the reverse compensation rotating arm rotates along with the planetary gear at the final stage; and the rotation axis of the luminaire is connected on the reverse compensation rotating arm. Due to the adoption of the technical scheme provided by the utility model, the equal angle reverse rotary compensation of the luminaire is realized through gear transmission, therefore, the structure is simple, the operation is reliable, no complex control mechanism is required in reverse compensation rotation, the work load is low, and the defects existing in the prior art are overcome.
Description
Technical field
The utility model relates to the lamp lighting field tests, relates 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.
Various Different Light are 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 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 Chinese utility model 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 needs from newly beginning 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 problem to be solved in the utility model provides a kind of distributed photometer light fitting locating self-adaption device of reliable operation.For this reason, the utility model 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, drive the motor that swivel arm rotates, the axis of rotation of light fixture, be provided with gear set in the described swivel arm, described gear set comprises fixed gear, the axial line of described fixed gear overlaps with the axial line of the rotation axis of swivel arm, described gear set also comprises a plurality of planet wheels step by step that are provided with along the swivel arm length direction, described fixed gear is fixed and does not rotate with swivel arm, the planetary rotational angular velocity of final stage 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, oppositely the compensation swivel arm rotates with the final stage planet wheel, the planetary central axes of the axial line of the rotation axis of described reverse compensation swivel arm and final stage, the axis of rotation of described light fixture are connected on the reverse compensation swivel arm.Owing to adopt the technical solution of the utility model, realize the equal angles backward rotation compensation of light fixture by gear drive, 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 utility model.
Fig. 4 is the gear 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 utility model comprise with light fixture 100 around the swivel arm 1 of reflective mirror 200 widely different commentaries on classics, drive the motor that swivel arm rotates, the axis of rotation 2 of light fixture, described swivel arm 1 is installed on the support 3, by the driven by motor rotation, drawing reference numeral 300 is a photo-detector.In the drawings, described motor is concealed, and motor can drive swivel arm and rotate by syndeton commonly used such as train of reduction gears is connected with the rotation axis 1A of swivel arm.
Be provided with gear set in the described swivel arm, the central axes of the rotation axis 1A of the central axis of described fixed gear 41 and swivel arm 1, described gear set also is provided with a plurality of planet wheels step by step that are provided with along the swivel arm length direction, at Fig. 3,4, among the 5 shown embodiment, described a plurality of planet wheel step by step is the even number planet wheel, such as, 4 planet wheels are set, be respectively planet wheel 42,43,44,45, described planet wheel step by step is meant that the gear that is driven is the secondary planet wheel that drives the gear of its rotation, and therefore constitutes planet wheel step by step.The diameter and the number of teeth of described planet wheel 42,43,44,45 are identical.
Described fixed gear 41 is fixed and does not rotate with swivel arm 1, and the planetary rotational angular velocity of final stage equates direction of rotation with the rotational angular velocity of swivel arm, and described device also is provided with the reverse compensation swivel arm 5 of light fixture.Oppositely the compensation swivel arm rotates with final stage planet wheel 45, the central axis of the rotation axis 5B of described reverse compensation swivel arm 5 and the rotation axis central axes of final stage planet wheel 45, two rotation axiss are fixedly connected or can be two different sections that are on the same axis.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.
XYGO-III-1600 d=1600mm distributed photometer with practical application is an example, with the central axis of the rotation axis 1A of swivel arm and oppositely between the central axis of the rotation axis 5B of compensation swivel arm apart from d quadrisection on swivel arm, the design gear diameter is 1/4d, gear compound graduation circular diameter 400mm, fixed gear 41 is fixing with support 3, it maintained static when swivel arm rotated, swivel arm 1 is fixed with rotation axis 1A, planet wheel 42,43,44,45 is movable planet wheel, the rotation axis 45B and the rotation axis 5B of planet wheel 45 fix, when swivel arm 1 rotates, planet wheel 42,43,44,45 also along with rotation, be appreciated that by the planet wheel transmission principle, with the rotational angle of the rotation axis 5B of the fixedly connected reverse compensation swivel arm 5 of the rotation axis of planet wheel 45 just in time with stuck-at-A axle on the swivel arm rotational angle identical, direction is opposite, has so just guaranteed that light fixture operating attitude when the 1A axle rotates is constant, reaches the light fitting locating self-adaption characteristic.Operating attitude bearing accuracy when this system rotates at the 1A axle, angular error is less than 0.1 degree.
According to the size of distributed photometer size, can will be divided into the even number five equilibrium apart from d between the center of rotation of rotation axis 1A and the rotation axis 5B, odd number gear, particularly suitable d are large-sized distributed photometer.
In addition, because the light fixture center of gravity is passed through the 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 beating light fixture.For example to the distributed photometer of d=1600mm, can satisfy the requirement of mechanism design with 4 five equilibriums, the holding torque that needs is very little.
The utility model applicable between any rotation axis 1A and the rotation axis 5B apart from the distributed photometer of d, large-sized distributed photometer can be with 6,8,10 and even bigger even number isodisperse and the corresponding planet wheel that sets step by step, the isodisperse minimum is 2.Under the bigger situation of distance d, can consider to be provided with chain transmission or tape handler between certain two adjacent gear therein, realize long apart from transmission of power, to reduce the quantity of gear.Such as between planet wheel 44 and planet wheel 45, increasing chain-drive mechanism, chain-drive mechanism comprises a sprocket wheel, this sprocket wheel connects a gear with one heart, this gear is identical with planet wheel 44, this gear and planet wheel 45 engagements, planet wheel 44 is with a concentric sprocket wheel, this concentric sprocket wheel is connected by chain with aforementioned sprocket wheel, in this case, although planet wheel 45 and not directly engagement of planet wheel 44, but still by planet wheel 44 by chain transmission or band transmission and being driven on year-on-year basis, therefore, planet wheel 45 still can be considered the secondary planet wheel of planet wheel 44.With regard to being provided with regard to the position of chain transmission or tape handler, be preferably disposed between the planet wheel that is in the most last two-stage, can reduce the rotating torque of swivel arm 1 like this.In addition, in the embodiment of above-mentioned increase chain-drive mechanism and band transmission, also can be that planet wheel 45 is omitted, planet wheel 44 is arranged on the position at this place of final stage gear, and planet wheel 44 is connected by chain drive or tape handler with planet wheel 43, like this, although planet wheel 44 and not directly engagement of planet wheel 43, but still by planet wheel 43 by chain transmission or band transmission and being driven on year-on-year basis, therefore, planet wheel 44 still can be considered the secondary planet wheel of planet wheel 43.
Claims (5)
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, drive the motor that swivel arm rotates, the axis of rotation of light fixture, it is characterized in that being provided with gear set in the described swivel arm, described gear set comprises fixed gear, the axial line of described fixed gear overlaps with the axial line of the rotation axis of swivel arm, described gear set also comprises a plurality of planet wheels step by step that are provided with along the swivel arm length direction, described fixed gear is fixed and does not rotate with swivel arm, the planetary rotational angular velocity of final stage 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, oppositely the compensation swivel arm rotates with the final stage planet wheel, the planetary central axes of the axial line of the rotation axis of described reverse compensation swivel arm and final stage, the axis of rotation of described light fixture are connected on the reverse compensation swivel arm.
2. distributed photometer light fitting locating self-adaption device as claimed in claim 1 is characterized in that described a plurality of planet wheel step by step is an even number planet wheel step by step.
3. distributed photometer light fitting locating self-adaption device as claimed in claim 1 is characterized in that between certain two adjacent gear chain transmission or tape handler being set therein.
4. distributed photometer light fitting locating self-adaption device as claimed in claim 3 is characterized in that described chain transmission or tape handler are arranged between the planet wheel of the most last two-stage.
5. distributed photometer light fitting locating self-adaption device as claimed in claim 1 is characterized in that described final stage planet pin fixedlys connected with the reverse rotation axis of compensation swivel arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202027215U CN201583344U (en) | 2009-12-16 | 2009-12-16 | Luminaire positioning self-adapting device for distribution-type photometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202027215U CN201583344U (en) | 2009-12-16 | 2009-12-16 | Luminaire positioning self-adapting device for distribution-type photometer |
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| Publication Number | Publication Date |
|---|---|
| CN201583344U true CN201583344U (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202027215U Expired - Fee Related CN201583344U (en) | 2009-12-16 | 2009-12-16 | Luminaire positioning self-adapting device for distribution-type photometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221403A (en) * | 2011-03-30 | 2011-10-19 | 杭州新叶光电工程技术有限公司 | Reflector type distributed photometer |
-
2009
- 2009-12-16 CN CN2009202027215U patent/CN201583344U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221403A (en) * | 2011-03-30 | 2011-10-19 | 杭州新叶光电工程技术有限公司 | Reflector type distributed photometer |
| CN102221403B (en) * | 2011-03-30 | 2013-01-09 | 杭州新叶光电工程技术有限公司 | Reflector type distributed photometer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131216 |