CN103335710A - Carrier device, light flux test system and light flux test method of flexible LED lamp bar - Google Patents
Carrier device, light flux test system and light flux test method of flexible LED lamp bar Download PDFInfo
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- CN103335710A CN103335710A CN2013102913467A CN201310291346A CN103335710A CN 103335710 A CN103335710 A CN 103335710A CN 2013102913467 A CN2013102913467 A CN 2013102913467A CN 201310291346 A CN201310291346 A CN 201310291346A CN 103335710 A CN103335710 A CN 103335710A
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Abstract
The invention discloses a carrier device, a light flux test system and a light flux test method of a flexible LED (light-emitting diode) lamp bar. The carrier device serves as a carrier of the flexible LED lamp bar during a light flux test of the flexible LED lamp bar, and comprises a carrier fixture with a curved surface capable of allowing a to-be-tested flexible LED lamp bar to be wound uniformly, and a connection unit arranged at one end of the carrier fixture and used for hanging the carrier device. When the flexible LED lamp bar is subjected to the light flux test, the to-be-tested flexible LED lamp bar is uniformly wound on the carrier device, and the carrier device is hung in the center in a light flux measurement device for light flux measurement, so that a situation that measurement data is poor in consistency due to non-uniform diffuse reflection and deformation of the flexible LED lamp bar since the flexible LED lamp bar is not uniform in length, and LED light sources are only welded on one surface of the flexible LED lamp bar during the light flux test can be avoided effectively.
Description
Technical field
The present invention relates to the LED lighting field, relate in particular to luminous flux test macro and the method for carrier arrangement and the soft lamp bar of LED of the soft lamp bar of a kind of LED.
Background technology
The soft lamp bar of LED is a kind ofly to be welded on strip lamp above the metal with the LED lamp, because longer image-tape shape but also luminous mostly, so people are referred to as the soft lamp bar of LED or LED lamp bar.It is mainly used in the indoor and outdoor decorations, sets off environment and plays the effect of viewing and admiring.A lot of families can be installed in the undercut of the secondary interlayer the inside of ceiling and curtain wall, also have a lot of commercial locations to use etc. for prepare advertising board or rendered atmosphere.
The luminous flux of the soft lamp bar of LED is its important performance, and the luminous flux that utilizes integrating sphere to measure light source is one of most important method in the flash ranging technology.Scribble the hollow ball of diffusion reaction coating as inside, the effect of integrating sphere is optical radiation to be scattered in the ball and at the detector port equably by optical fiber it is conducted.IES LM-79-08 " the electric and photometric measurement of solid-state illumination product " stipulated to measure the solid-state illumination product total light flux program and the points for attention that should observe, the integrating sphere of recommending has two kinds: 4 π spheroids and 2 π spheroids, wherein use the standard lamp of omnirange Luminance Distribution in the geometric form of 4 π usually, when if the angle intensity distributions of standard lamp is identical with tested solid-state illumination product, the size of the logical error of measuring of light only depends on design and the maintenance of integrating sphere.
The light flux testing method of general traditional lighting light fixture is directly light source to be measured to be mounted to integrating sphere inside center place, but because the soft lamp bar of LED is different in size, and the paster LED light source only is welded on the one side of soft lamp bar, when hanging on integrating sphere inside, can produce the inhomogeneous problem of angular distribution.And because integrating sphere inside coating reflectivity is not theoretic 100%, so each point diffuse reflection homogeneity is not quite identical.And because the soft lamp bar of LED is welded on the flexible base, board by a plurality of paster LED light sources and forms, this flexible base, board comprises multiple layers of different materials, when temperature raises, because the thermal expansion between the material is inconsistent, in various degree perk and buckling phenomenon takes place easily.Therefore when carrying out reliability testing, be subjected to the influence of LED soft lamp bar placement direction and deformation extent, can not guarantee each consistance of measuring.
Summary of the invention
One of technical matters to be solved by this invention is that a kind of LED need be provided the carrier arrangement of soft lamp bar, and this device is simple to operate and can guarantee the luminous flux test consistance of the soft lamp bar of LED.Luminous flux test macro and the method for the soft lamp bar of LED also are provided in addition.
In order to solve the problems of the technologies described above, the invention provides the carrier arrangement of the soft lamp bar of a kind of LED, it as the carrier of the soft lamp bar of LED, comprising when the luminous flux test of the soft lamp bar of LED: the carrier anchor clamps, but it has the curved surface that makes the soft lamp bar of LED to be measured uniform winding; Be arranged on the linkage unit of described carrier anchor clamps one end, it is used for the described carrier arrangement of suspention.
In one embodiment, described carrier anchor clamps are right cylinder or spheroid.
In one embodiment, the integral multiple of the curved surface diameter of described carrier anchor clamps equals the length of the soft lamp bar of described LED to be measured.
In one embodiment, described carrier anchor clamps are made by transparent material, white material or metal material.
In one embodiment, described transparent material comprises glass, and described white material comprises plastics, and described metal material comprises aluminium alloy.
In one embodiment, described linkage unit is a through hole.
According to a further aspect in the invention, a kind of LED also is provided the light flux testing method of soft lamp bar, comprise: be bonded in the soft lamp bar of LED to be measured on the carrier anchor clamps of the carrier arrangement of the soft lamp bar of LED as mentioned above according to the direction initialization uniform winding, wherein, cover tack coat on the non-surface of light source of the soft lamp bar of LED to be measured; Utilize linkage unit, the carrier arrangement that has twined the soft lamp bar of LED to be measured is suspended to luminous flux proving installation inside center place; Test the luminous flux of the soft lamp bar of this LED to be measured by described luminous flux proving installation.
According to a further aspect in the invention, also provide the luminous flux test macro of the soft lamp bar of a kind of LED, having comprised: the carrier arrangement of the soft lamp bar of LED as mentioned above; The luminous flux proving installation that is used for the measuring light flux wherein, when carrying out the luminous flux test, is suspended to described luminous flux proving installation inside center place with the carrier arrangement that has twined the soft lamp bar of LED to be measured.
In one embodiment, the described luminous flux proving installation integrating sphere that is 4 π spheroids.
Compared with prior art, one or more embodiment of the present invention can have following advantage:
Carrier arrangement when the invention provides a kind of luminous flux test for the soft lamp bar of LED, but this carrier arrangement comprises having the curved surface carrier anchor clamps that make the soft lamp bar of LED to be measured uniform winding, and the linkage unit that is used for this carrier arrangement of suspention that is arranged on carrier anchor clamps one end.When the soft lamp bar of LED being carried out the luminous flux test, by with the soft lamp bar of LED to be measured uniform winding at above-mentioned carrier arrangement, then this carrier arrangement is suspended to this luminous flux measurement device inside center place and carries out luminous flux measurement, can avoid effectively in the luminous flux test process, because the soft lamp bar of LED is different in size, and led light source only to be welded on the diffuse reflection measurement data consistance inhomogeneous and that the soft lamp bar distortion of LED causes that one side wherein causes bad.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in instructions, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used for jointly explaining the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural drawing that comprises the soft lamp bar of LED of tack coat according to an embodiment of the invention;
Fig. 2 is the synoptic diagram of carrier arrangement according to an embodiment of the invention;
Fig. 3 is the synoptic diagram that has twined the carrier arrangement of the soft lamp bar of LED to be measured according to an embodiment of the invention;
Fig. 4 is the synoptic diagram that has twined the carrier arrangement of the soft lamp bar of LED to be measured according to another embodiment of the present invention;
Fig. 5 is the vertical view that has twined the carrier arrangement of the soft lamp bar of LED to be measured according to an embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, the soft lamp bar 3 of LED is made up of flexible base, board 1 and a plurality of paster LED light sources 2.In the present embodiment, for when measuring the luminous flux of the soft lamp bar 3 of LED, it is fixed on the carrier arrangement well, preferably covers one deck tack coats 5 at non-surface of light source 4, and the soft lamp bar of the shape of tack coat 5 and area and LED 3 is identical.
Shown in Fig. 2 is carrier arrangement in one embodiment of the invention, and as shown in Figure 2, this carrier arrangement comprises carrier anchor clamps 6 and linkage unit 7.Carrier anchor clamps 6, but it has the curved surface that makes the soft lamp bar of LED to be measured uniform winding.Be arranged on the linkage unit 7 of carrier anchor clamps 6 one ends, it is used for the suspention carrier arrangement.
Preferably, carrier anchor clamps 6 are right cylinder or spheroid.In the present embodiment, use cylindrical carrier anchor clamps 6, and the curved surface diameter multiple of carrier anchor clamps 6 is in the length of the soft lamp bar of LED to be measured.When being wrapped in the soft lamp bar of LED to be measured on the carrier anchor clamps 6, because the number of turns of twining is the integral multiple (as shown in Figure 3 and Figure 4) of curved surface diameter, so just can guarantee that when carrying out luminous flux measurement the light-emitting area of the soft lamp bar 3 of uniform winding LED thereon can more uniform luminous flux proving installation.
Preferably, carrier anchor clamps 6 are made by transparent material, white material or metal material.For example, can use transparent glass material, such as polycarbonate, polyacrylic white plastic material or such as the Al-alloy metal material, the multiple choices of material make that the application of carrier anchor clamps 6 is more extensive, obtain convenient.
In addition, the end of carrier anchor clamps 6 is provided for suspending in midair the linkage unit 7 of carrier arrangement, is preferably a through hole (as shown in Figure 5).Like this, when carrying out luminous flux measurement, utilize the device of iron hoop and so on by this through hole, just this carrier arrangement can be suspended to luminous flux proving installation inside center place.
Below be when carrying out the soft lamp bar of LED luminous flux measurement, utilize carrier arrangement of the present invention to carry out the operation steps of luminous flux measurement.
At first, the soft lamp bar 3 of LED to be measured is wrapped on the surface of carrier anchor clamps 6 according to direction initialization (clockwise or counter clockwise direction) equably by tack coat 5, as Fig. 3 or shown in Figure 4.Then, utilize carrier arrangement that linkage unit 7 will twine the soft lamp bar of LED to be measured to be suspended to the inside center place of luminous flux proving installation.At last, test the luminous flux of the soft lamp bar of LED by this luminous flux proving installation.In the present embodiment, preferably adopt the integrating sphere of widely used 4 π spheroids in the flash ranging field as the luminous flux proving installation, guaranteed the versatility of measurement data.
In sum, in embodiments of the present invention, when the soft lamp bar of LED being carried out the luminous flux test, by with the soft lamp bar of LED to be measured uniform winding at above-mentioned carrier arrangement, then this carrier arrangement is suspended to this luminous flux measurement device inside center place and carries out luminous flux measurement, can avoid effectively in the luminous flux test process, because the soft lamp bar of LED is different in size, and led light source only to be welded on the diffuse reflection measurement data consistance inhomogeneous and that the soft lamp bar distortion of LED causes that one side wherein causes bad.
In addition, the soft lamp bar of the LED in present embodiment light flux testing method is simple to operate, and uses in the luminous flux test macro and be widely used integrating sphere come device to be measured is carried out the luminous flux test in the flash ranging field, thereby has guaranteed the versatility of measurement data.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any those skilled in the art are in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (9)
1. the carrier arrangement of the soft lamp bar of LED, it as the carrier of the soft lamp bar of LED, comprising when luminous flux test of the soft lamp bar of LED:
The carrier anchor clamps, but it has the curved surface that makes the soft lamp bar of LED to be measured uniform winding;
Be arranged on the linkage unit of described carrier anchor clamps one end, it is used for the described carrier arrangement of suspention.
2. carrier arrangement according to claim 1 is characterized in that,
Described carrier anchor clamps are right cylinder or spheroid.
3. carrier arrangement according to claim 1 is characterized in that,
The integral multiple of the curved surface diameter of described carrier anchor clamps equals the length of the soft lamp bar of described LED to be measured.
4. according to each described carrier arrangement in the claim 1 to 3, it is characterized in that,
Described carrier anchor clamps are made by transparent material, white material or metal material.
5. carrier arrangement according to claim 4 is characterized in that,
Described transparent material comprises glass, and described white material comprises plastics, and described metal material comprises aluminium alloy.
6. according to each described carrier arrangement in the claim 1 to 3, it is characterized in that,
Described linkage unit is a through hole.
7. the light flux testing method of the soft lamp bar of LED comprises:
The soft lamp bar of LED to be measured is bonded in as in the claim 1 to 6 as described in each on carrier anchor clamps of the carrier arrangement of the soft lamp bar of LED according to the direction initialization uniform winding, wherein, covers tack coat on the non-surface of light source of the soft lamp bar of LED to be measured;
Utilize linkage unit, the carrier arrangement that has twined the soft lamp bar of LED to be measured is suspended to luminous flux proving installation inside center place;
Test the luminous flux of the soft lamp bar of this LED to be measured by described luminous flux proving installation.
8. the luminous flux test macro of the soft lamp bar of LED comprises:
As the carrier arrangement of the soft lamp bar of LED as described in each in the claim 1 to 6;
The luminous flux proving installation that is used for the measuring light flux,
Wherein, when carrying out the luminous flux test, the carrier arrangement that has twined the soft lamp bar of LED to be measured is suspended to described luminous flux proving installation inside center place.
9. luminous flux test macro according to claim 8 is characterized in that,
Described luminous flux proving installation is the integrating sphere of 4 π spheroids.
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| CN201310291346.7A CN103335710B (en) | 2013-07-11 | 2013-07-11 | The carrier arrangement of flexible LED lamp bar and luminous flux test macro and method |
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| CN201310291346.7A CN103335710B (en) | 2013-07-11 | 2013-07-11 | The carrier arrangement of flexible LED lamp bar and luminous flux test macro and method |
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Cited By (3)
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| CN105259377A (en) * | 2015-11-10 | 2016-01-20 | 台龙电子（昆山）有限公司 | An LED optical-electrical characteristic measurement instrument |
| CN105675264A (en) * | 2016-01-18 | 2016-06-15 | 宁波卓时检测技术有限公司 | Test method for luminous flux of LED light strings |
| RU2626813C1 (en) * | 2016-04-21 | 2017-08-01 | Владимир Павлович Архипов | Method for determining radiation flow of tubular lamps |
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| CN201016843Y (en) * | 2006-11-30 | 2008-02-06 | 复旦大学 | LED light flux testing device employing narrow beam standard light source |
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| CN103335710B (en) | 2015-11-25 |
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Owner name: CHANGZHOU WUJIN SEMICONDUCTOR LIGHTING APPLICATION Free format text: FORMER OWNER: BEIJING SEMICONDUCTOR LIGHTING TECHNOLOGY PROMOTION CENTER Effective date: 20130904 |
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Effective date of registration: 20130904 Address after: 7, building 213164, building B, building 1, international research building, Heping science Road, Heping South Road, Jiangsu, Changzhou Applicant after: Changzhou Wujin Semiconductor Lighting Application Technology Institute Address before: 100080 Beijing Qinghua East Road, No. 35, No. 5, No., office building, level 5 Applicant before: Beijing Semiconductor Lighting Technology Promotion Center |
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