CN102830572B - A kind of photography light - Google Patents
A kind of photography light Download PDFInfo
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- CN102830572B CN102830572B CN201110164263.2A CN201110164263A CN102830572B CN 102830572 B CN102830572 B CN 102830572B CN 201110164263 A CN201110164263 A CN 201110164263A CN 102830572 B CN102830572 B CN 102830572B
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- face
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- terrace
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Abstract
The present invention is applicable to lighting technical field, provide a kind of photography light, described photography light comprise LED, axis and described LED optical axis coincidence reverberator and be located at the lens of described reverberator light emission side, described lens are the double concave type lens with first surface and the second curved surface, described reverberator be edge by face reverberator, the terrace with edge face that its inside surface is adjoined successively by multilayer bottom surface and end face is formed; The light that described LED sends converges at the first surface of described lens through described reflector reflects, after the second curved surface outgoing of described lens, form even optical illumination.The present invention adopts LED as light source, the light that this LED sends converges at the first surface of lens through reflector reflects, even optical illumination is formed after the second curved surface outgoing of these lens, meet photo illumination requirement, and light photography light can be made, simple, the reliable hand-held product of similar electric torch, is easy to carry about with one.
Description
Technical field
The invention belongs to lighting technical field, particularly relate to a kind of photography light.
Background technology
At present, the multiplex police bright light torch in market or portable strong light searchlight attach troops to a unit material evidence evidence-obtaining photography, these light fixtures can not in strict conformity with in police service exhibit evidence obtaining lighting requirement parameter.And satisfactory exhibit evidence obtaining photography light not Portable belt.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of photography light, is intended to solve existing photography light or not Portable belt, or does not meet the problem of lighting requirement.
The embodiment of the present invention realizes like this, a kind of photography light, comprise LED, axis and described LED optical axis coincidence reverberator and be located at the lens of described reverberator light emission side, described lens are the double concave type lens with first surface and the second curved surface, described reverberator be edge by face reverberator, the terrace with edge face that its inside surface is adjoined successively by multilayer bottom surface and end face is formed; The light that described LED sends converges at the first surface of described lens through described reflector reflects, after the second curved surface outgoing of described lens, form even optical illumination.
The embodiment of the present invention adopts LED as light source, the light that this LED sends converges at the first surface of lens through reflector reflects, even optical illumination is formed after the second curved surface outgoing of these lens, meet photo illumination requirement, and light photography light can be made, simple, the reliable hand-held product of similar electric torch, is easy to carry about with one.
Accompanying drawing explanation
Fig. 1 is the structural representation of the exhibit evidence obtaining photography light that the embodiment of the present invention provides;
Fig. 2 is the front view of reverberator;
Fig. 3 is the side view of reverberator;
Fig. 4 is the sectional view of lens;
Fig. 5 is the illuminance of ground design sketch of the exhibit evidence obtaining photography light that the embodiment of the present invention provides;
Fig. 6 is the surface of intensity distribution of the exhibit evidence obtaining photography light that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention adopts LED as light source, the light that this LED sends converges at the first surface of lens through reflector reflects, forms even optical illumination, meet photo illumination requirement after the second curved surface outgoing of these lens, and light photography light can be made, be easy to carry about with one.
The photography light that the embodiment of the present invention provides comprise LED, axis and described LED optical axis coincidence reverberator and be located at the lens of described reverberator light emission side, described lens are the double concave type lens with first surface and the second curved surface, described reverberator be edge by face reverberator, the terrace with edge face that its inside surface is adjoined successively by multilayer bottom surface and end face is formed; The light that described LED sends converges at the first surface of described lens through described reflector reflects, after the second curved surface outgoing of described lens, form even optical illumination.
For exhibit evidence obtaining photography light, realization of the present invention is described in detail below.
As shown in Figures 1 to 3, the exhibit evidence obtaining photography light that the embodiment of the present invention provides comprise LED1, axis and this LED1 optical axis coincidence reverberator 2 and be located at the lens 3 of this reverberator 2 light emission side.These lens 3 are for having the double concave type lens of first surface S1 and the second curved surface S2, the light that LED1 sends converges at the first surface S1 of lens through reverberator 2 reflection, even optical illumination is formed after the second curved surface S2 outgoing of lens, meet exhibit evidence obtaining photo illumination requirement, and light exhibit evidence obtaining photography light can be made, namely simple, the reliable hand-held product of similar electric torch, is easy to carry about with one.
Usually, LED1 is white light LEDs, and its power is 8W ~ 12W, and half light intensity angle is 80 ° ~ 120 °.For making luminous point enough large, radius can be adopted to be the circular luminous chip of 1.5mm ~ 2mm, or the length of side is the square luminescence chip of 3.4mm ~ 3.8mm.If a rectangular coordinate system XOY, with the axis of reverberator 2 for transverse axis, with certain of near reflection device light source hole 20 a bit for true origin.When this LED1 is installed on the light source hole 20 of reverberator, the luminescence chip axial location (i.e. the distance of luminescence chip and true origin) of LED1 is 1.5mm ~ 1.8mm.
In the embodiment of the present invention reverberator 2 be edge by face reverberator, the terrace with edge face that its inside surface is adjoined successively by multilayer bottom surface and end face is formed, and wherein terrace with edge face is preferably the side of positive terrace with edge, is beneficial to the first surface S1 that the light sent by LED reflexes to lens.The inside surface of this reverberator 2 has 3 ~ 6 layers of terrace with edge face, is 30 ~ 50 by face number, and namely the limit number of the bottom surface of positive terrace with edge is 30 ~ 50.In addition, reverberator 2 outer ring is 22mm ~ 28mm by face starting point P axial location (namely by the horizontal ordinate of face starting point P), and high (namely by the ordinate of face starting point P) is 10mm ~ 15mm.
Particularly, the inside surface of this reverberator 2 has 4 layers of terrace with edge face, is respectively ground floor terrace with edge face 21, second layer terrace with edge face 22, third layer terrace with edge face 23 and the 4th layer of terrace with edge face 24.Wherein the external diameter of a circle of the end face in ground floor terrace with edge face 21 is 4mm ~ 6mm, the external diameter of a circle of the end face in second layer terrace with edge face 22 is 6mm ~ 7mm, the external diameter of a circle of the end face in third layer terrace with edge face 23 is 7mm ~ 8mm, the external diameter of a circle of the end face in the 4th layer of terrace with edge face 24 is 10mm ~ 11mm, and this kind of physical dimension reverberator is convenient to coordinate with above-mentioned great power LED.
As shown in Figure 4, the center thickness of lens 3 on optical axis and the face between first surface S1 and the second curved surface S2 are spaced apart 0.7mm ~ 1.2mm, and the aperture of first surface S1 is 10mm ~ 16mm, and radius-of-curvature is-45mm ~-55mm; The aperture of the second curved surface S2 is 22mm ~ 28mm, and radius-of-curvature is 140mm ~ 160mm.These lens are made up of PC, and its distance apart from the light-emitting window 25 of reverberator is: 1 ~ 2mm, makes the illuminance of the second curved surface S2 outgoing from lens more even.
This exhibit evidence obtaining photography light adopt power be 10W, half light intensity angle be the white light LEDs of 100 ° as light source, its luminescence chip system length of side is the square luminescence chip of 3.6mm, and axial location is 1.7mm.Reverberator 2 be 40 by face number, the width respectively by face is 2mm; Reverberator axial length is 25.6mm, and its outer ring is 26mm by face starting point P axial location, and height is 12.5mm; The external diameter of a circle of the end face in above-mentioned ground floor terrace with edge face 21 is set to 4.6mm, the external diameter of a circle of the end face in second layer terrace with edge face 22 is set to 6.3mm, the external diameter of a circle of the end face in third layer terrace with edge face 23 is set to 7.8mm, and the external diameter of a circle of the end face in the 4th layer of terrace with edge face 24 is set to 10.3mm.The center thickness of lens 3 is 1mm, and the aperture of first surface S1 is 14mm, and radius-of-curvature is-50mm; The aperture of the second curved surface S2 is 26mm, and radius-of-curvature is 150mm; Lens 3 apart from the distance of the light-emitting window 25 of reverberator are: 1.5mm.When the height of article being shot is 700mm, place it in apart from reverberator light-emitting window 2300mm place, in hot spot, the even luminosity of luminous intensity distribution is 0.85, illumination is 800lx, at distance reverberator light-emitting window 2m place, spot diameter >=1.2m, meet exhibit evidence obtaining photo illumination requirement, wherein Fig. 5 and Fig. 6 respectively illustrates illuminance of ground effect and light distribution.Can make light exhibit evidence obtaining photography light like this, namely simple, the reliable hand-held product of similar electric torch, is easy to carry about with one.
The embodiment of the present invention adopts LED as light source, the light that this LED sends converges at the first surface of lens through reflector reflects, even optical illumination is formed after the second curved surface outgoing of these lens, meet photo illumination requirement, and light photography light can be made, simple, the reliable hand-held product of similar electric torch, is easy to carry about with one.Meanwhile, the edge that the terrace with edge face that reverberator adopts inside surface to be adjoined successively by multilayer bottom surface and end face is formed is by face reverberator, and wherein terrace with edge face is the side of positive terrace with edge, and the light being beneficial to be sent by LED reflexes to the first surface of lens.In addition, lens, apart from the light-emitting window 1mm ~ 2mm of reverberator, make the illuminance of the second curved surface outgoing from lens more even.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a photography light, comprise LED, axis and described LED optical axis coincidence reverberator and be located at the lens of described reverberator light emission side, it is characterized in that, described lens are the double concave type lens with first surface and the second curved surface, described reverberator be edge by face reverberator, the terrace with edge face that its inside surface is adjoined successively by multilayer bottom surface and end face is formed; The light that described LED sends converges at the first surface of described lens through described reflector reflects, after the second curved surface outgoing of described lens, form even optical illumination; The inside surface of described reverberator has 3 ~ 6 layers of terrace with edge face, described terrace with edge face is the side of positive terrace with edge, described reverberator be 30 ~ 50 by face number, its outer ring is 22mm ~ 28mm by the axial location of face near the edge of described lens, height is 10mm ~ 15mm, described outer ring by face be near described lens by face, the center thickness of described lens is 0.7mm ~ 1.2mm, the aperture of described first surface is 10mm ~ 16mm, and radius-of-curvature is-45mm ~-55mm; The aperture of described second curved surface is 22mm ~ 28mm, and radius-of-curvature is 140mm ~ 160mm; Described lens are apart from the light-emitting window 1mm ~ 2mm of described reverberator, described LED is white light LEDs, its power is 8W ~ 12W, half light intensity angle is 80 ° ~ 120 °, at distance reverberator light-emitting window 2m place, spot diameter >=1.2m, at distance reverberator light-emitting window 2300mm place, in hot spot, the even luminosity of luminous intensity distribution is 0.85, and illumination is 800lx.
2. photography light as claimed in claim 1, it is characterized in that, the luminescence chip system radius of described LED is the circular luminous chip of 1.5mm ~ 2mm, or the square luminescence chip of to be the length of side be 3.4mm ~ 3.8mm, and its axial location is 1.5mm ~ 1.8mm.
3. photography light as claimed in claim 1, it is characterized in that, the inside surface of described reverberator has 4 layers of terrace with edge face, described reverberator be 40 by face number, its outer ring is 26mm by the axial location of face near the edge of described lens, and height is 12.5mm.
4. photography light as claimed in claim 3, it is characterized in that, the inside surface of described reverberator comprises ground floor terrace with edge face, second layer terrace with edge face, third layer terrace with edge face and the 4th layer of terrace with edge face, the external diameter of a circle of the end face in described ground floor terrace with edge face is 4mm ~ 6mm, the external diameter of a circle of the end face in described second layer terrace with edge face is 6mm ~ 7mm, the external diameter of a circle of the end face in described third layer terrace with edge face is 7mm ~ 8mm, and the external diameter of a circle of the end face in described 4th layer of terrace with edge face is 10mm ~ 11mm.
5. photography light as claimed in claim 1, it is characterized in that, the center thickness of described lens is 1mm, and the aperture of described first surface is 14mm, and radius-of-curvature is-50mm; The aperture of described second curved surface is 26mm, and radius-of-curvature is 150mm; Described lens are apart from the light-emitting window 1.5mm of described reverberator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164263.2A CN102830572B (en) | 2011-06-17 | 2011-06-17 | A kind of photography light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110164263.2A CN102830572B (en) | 2011-06-17 | 2011-06-17 | A kind of photography light |
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| Publication Number | Publication Date |
|---|---|
| CN102830572A CN102830572A (en) | 2012-12-19 |
| CN102830572B true CN102830572B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110164263.2A Expired - Fee Related CN102830572B (en) | 2011-06-17 | 2011-06-17 | A kind of photography light |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105021413B (en) * | 2014-04-28 | 2019-02-05 | 海洋王（东莞）照明科技有限公司 | Photographing module performance test methods |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1726379A (en) * | 1925-11-30 | 1929-08-27 | Gen Electric | Light projector |
| CN1236222C (en) * | 2002-11-29 | 2006-01-11 | 三丰医疗器材股份有限公司 | Single multiple mirrors reflection mirror of surgical lamp and manufacturing method |
| DE202004011015U1 (en) * | 2004-07-14 | 2004-11-11 | Tridonic Optoelectronics Gmbh | LED spotlight with funnel-shaped lens |
| JP4575465B2 (en) * | 2008-02-28 | 2010-11-04 | スタンレー電気株式会社 | Strobe light emitting device |
| CN101496882A (en) * | 2009-03-07 | 2009-08-05 | 崔凤玉 | Washing lotion for private parts of human body and preparation method thereof |
| CN201496882U (en) * | 2009-07-01 | 2010-06-02 | 西安华科光电有限公司 | Composite optical lens capable of changing LED spectral wavelength and a system thereof |
| CN201666534U (en) * | 2010-03-16 | 2010-12-08 | 上海宝康电子控制工程有限公司 | Light distribution system of LED light supplementing lamp for high definition monitoring |
| CN201666540U (en) * | 2010-04-08 | 2010-12-08 | 上海理工大学 | Multiple mirror-surface shadowless lamp reflector |
| CN102062332B (en) * | 2010-10-26 | 2012-06-27 | 江苏奥雷光电有限公司 | Video monitoring illumination LED assembly |
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2011
- 2011-06-17 CN CN201110164263.2A patent/CN102830572B/en not_active Expired - Fee Related
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Granted publication date: 20151216 Termination date: 20190617 |