CN104214692A - Lamp and lamp zooming system - Google Patents
Lamp and lamp zooming system Download PDFInfo
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- CN104214692A CN104214692A CN201310210847.8A CN201310210847A CN104214692A CN 104214692 A CN104214692 A CN 104214692A CN 201310210847 A CN201310210847 A CN 201310210847A CN 104214692 A CN104214692 A CN 104214692A
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- convex lens
- light
- reflector
- light fixture
- moving member
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
The invention provides a lamp zooming system which comprises a first movable element, a second movable element, a reflection cup and a convex lens. The first movable element and the second movable element are movably connected, the convex lens is arranged on the first movable element, the reflection cup is arranged on the second movable element, the reflection cup is used for reflecting light emitted by a light source on the reflection cup to the convex lens, and the convex lens is used for refracting the received reflected light. When the first movable element moves relative to the second movable element, the convex lens is driven to move relative to the reflection cup, so that the distance between the convex lens and the reflection cup is changed, and the light distribution angle of the light source is changed. By means of the lamp zooming system, the aim of adjusting the light distribution angle of the light source according to actual needs is achieved, the requirements of environment changing all the time are met, and the utilization rate of light is greatly improved. The invention further provides a lamp.
Description
Technical field
The present invention relates to lighting field, especially in particular to a kind of light fixture and light fixture zoom system, pancreatic system.
Background technology
Along with the luminous flux of light emitting diode and improving constantly of light efficiency, light emitting diode is also more and more extensive in the application of lighting field.But the light type of light-emitting diode chip for backlight unit is half space youth uncle distribution, cannot directly apply to illuminator.Therefore, be that the secondary light-distribution system of light source seems particularly important with light emitting diode.At present, the secondary light-distribution of LED source is based on lens and reflector, by nonimaging optics design lens or reflector profile, the optical characteristics such as refraction, reflection are utilized to change LED source light angle, the light that LED source sends is redistributed, thus obtains the Illumination Distribution of expection.But the light distribution angle of secondary light-distribution system conventional is at present all fixing, the lighting demand of environment moment change cannot be met, thus cause the waste of luminous energy.
Summary of the invention
The object of the present invention is to provide a kind of light fixture and light fixture zoom system, pancreatic system, to carry out luminous intensity distribution to light source, thus meet the lighting demand of the environment of moment change, and improve the utilization rate of luminous energy.
In order to solve the problems of the technologies described above, the invention provides a kind of light fixture zoom system, pancreatic system, light for sending the light source of light fixture carries out luminous intensity distribution, described light fixture zoom system, pancreatic system comprises the first moving member, second moving member, reflector and convex lens, described first moving member is flexibly connected with described second moving member, described convex lens are arranged on described first moving member, described reflector is arranged on described second moving member, the light that described reflector is used for the light source arranged thereon sends reflexes to described convex lens, described convex lens are used for the reverberation received to reflect away, when described first moving member moves relative to described second moving member, described convex lens are driven to move relative to described reflector, thus the distance changed between described convex lens and described reflector, and then change the light distribution angle described light source being carried out to luminous intensity distribution.
Wherein, described reflector comprises mounting seat and upwards disperses the reflecting wall extended to form from the edge of described mounting seat gradually, wherein, described reflecting wall has inner concave, described mounting seat is fixed on described second moving member, described light source is arranged in described mounting seat, and the light that described light source sends reflexes to described convex lens through the inner concave of described reflecting wall.
Wherein, described inner concave is parabola, on described parabola the abscissa of every bit be multiplied by ten for this point ordinate square.
Wherein, described convex lens include optical platform and with described enter the lenticular body of optical platform smooth connection, described in enter optical platform bottom surface be plane, described lenticular body is free form surface.
Wherein, described first moving member comprises the first fixed part and the first moving part, described moving part is tubular, the inwall of described first moving part surrounds mobile space, described first fixed part is connected to the first end of described first moving part, described first fixed part is provided with installing port, described convex lens cover is embedded on described installing port, described second moving member comprises the second fixed part and the second moving part, described second connecting portion is tubular, the inwall of described second connecting portion surrounds receiving space, described second fixed part is connected to the first end of described second connecting portion, the mounting seat of described reflector is arranged on described second fixed part, and be contained in described receiving space, the bottom edge support of described reflector is on the inwall of described second moving part, second end of described second moving part and the second end of described first moving part are rotationally connected, when rotating described first fixed part, described first moving part is driven to rotate relative to described second moving part, thus the distance changed between described reflector and described convex lens.
Wherein, the inwall of described first moving part is formed with the first screw thread, the outer wall of described second moving part is formed with the second screw thread, and described first screw thread is connected with described second thread helix, thus described first moving part and described second moving part are rotationally connected.
Wherein, the optical platform that enters of described convex lens is nested in the installing port of described second fixed part, and described lenticular body stretches out described installing port completely.
Wherein, at grade, the end face of the edge of described reflector and the second end of described second connecting portion at grade for the bottom surface entering optical platform of described convex lens and the inner surface of described first fixed part.
Wherein, the height of described reflector is 5.5mm, and the thickness of described convex lens is 8.22mm.
The present invention also provides a kind of light fixture, comprises light source and above-mentioned light fixture zoom system, pancreatic system, and described light fixture zoom system, pancreatic system is used for carrying out luminous intensity distribution to the light that described light source sends.
Light fixture zoom system, pancreatic system of the present invention comprises the first moving member, second moving member, reflector and convex lens, described first moving member is flexibly connected with described second moving member, described convex lens are arranged on described first moving member, described reflector is arranged on described second moving member, the light that described reflector is used for the light source arranged thereon sends reflexes to described convex lens, described convex lens are used for the reverberation received to reflect away, when described first moving member moves relative to described second moving member, described convex lens are driven to move relative to described reflector, thus the distance changed between described convex lens and described reflector, and then change the light distribution angle described light source being carried out to luminous intensity distribution.Therefore, present invention achieves the object of the light distribution angle regulating described light source according to actual needs, meet the needs of environment moment change, and substantially increase the utilization rate of luminous energy.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the light source of a kind of light fixture that better embodiment of the present invention provides and the generalized section of light fixture zoom system, pancreatic system;
Fig. 2 is the illumination figure at light fixture 2 meters of when the first duty of Fig. 1;
Fig. 3 is the distribution curve flux figure of light fixture when the first duty of Fig. 1;
Fig. 4 is the illumination figure at light fixture 2 meters of when the second duty of Fig. 1;
Fig. 5 is the distribution curve flux figure of light fixture when the second duty of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Refer to Fig. 1, better embodiment of the present invention provides a kind of light fixture 100.Described light fixture 100 comprises light source 10 and light fixture zoom system, pancreatic system 20.Described light fixture zoom system, pancreatic system 20, for while carrying out luminous intensity distribution at the light sent described light source 10, can also change the light distribution angle described light source 10 being carried out to luminous intensity distribution.
Described light fixture zoom system, pancreatic system 20 comprises the first moving member 21, second moving member 22, reflector 23 and convex lens 24.Described first moving member 21 is flexibly connected with described second moving member 22.Described convex lens 24 are arranged on described first moving member 21.Described reflector 23 is arranged on described second moving member 22.Described reflector 23 reflexes to described convex lens 24 for the light sent by the light source 10 arranged thereon.Described convex lens 24 are for reflecting away the reverberation received.When described first moving member 21 moves relative to described second moving member 22, described convex lens 24 are driven to move relative to described reflector 23, thus the distance changed between described convex lens 24 and described reflector 23, and then change the light distribution angle described light source 10 being carried out to luminous intensity distribution.
Described reflector 23 comprises mounting seat 231 and upwards disperses the reflecting wall 232 extended to form from the edge of described mounting seat 231 gradually.Wherein, described reflecting wall 232 has inner concave 235.Described mounting seat 231 is fixed on described second moving member 22.Described light source 10 is arranged in described mounting seat 231.The light that described light source 10 sends reflexes to described convex lens 24 through the inner concave 235 of described reflecting wall 232.
In the present embodiment, described inner concave 235 is parabolical parabola for bus, collects the effect of rim ray to play.Wherein, described paraboloidal equation is y
2=10x, namely on described parabola the abscissa of every bit be multiplied by ten for this point ordinate square.The height of described reflector 23 is 5.5mm.In other embodiments, described paraboloidal equation can adjust according to actual conditions.The height of described reflector 23 can adjust according to actual conditions.
Described convex lens 24 include optical platform 241 and with described enter the lenticular body 242 of optical platform 241 smooth connection.Described enter the bottom surface 243 of optical platform 241 be plane.Described lenticular body 242 is free form surface.
Wherein, described free form surface is formed by rotating after spline interpolation by the point of 21 in Table I.Described enter optical platform 241 in round table-like.Described enter the diameter of optical platform 241 be 18.8mm.The gross thickness of described convex lens 24 is 8.22mm.Described enter the thickness of optical platform be 2.25mm.
Table I
| Point | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| X-coordinate | 14.25 | 14.7941 | 15.3128 | 15.8083 | 16.2807 | 16.7299 | 17.1554 |
| Y-coordinate | 9.4 | 9.0288 | 8.6483 | 8.2569 | 7.8541 | 7.4398 | 7.0139 |
| Point | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| X-coordinate | 17.5568 | 17.9334 | 18.2844 | 18.609 | 18.9063 | 19.1755 | 19.4157 |
| Y-coordinate | 6.5764 | 6.1274 | 5.6672 | 5.1961 | 4.7147 | 4.2236 | 3.7235 |
| Point | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| X-coordinate | 19.626 | 19.8057 | 19.954 | 20.0704 | 20.1544 | 20.2056 | 20.2238 |
| Y-coordinate | 3.2152 | 2.6998 | 2.1782 | 1.6515 | 1.121 | 0.5879 | 0 |
Described first moving member 21 comprises the first fixed part 211 and the first moving part 212.Described first moving part 212 is in tubular.Described first fixed part 212 is in round table-like.The inwall 213 of described first moving part 212 surrounds mobile space 214.Described first fixed part 211 is connected to the first end of described first moving part 212.Described first fixed part 211 is provided with installing port.Described convex lens 24 cover is embedded on described installing port.The lenticular body 242 of described convex lens 24 all stretches out described installing port.Wherein, the inner surface 215 of the bottom surface 243 entering optical platform 241 and described first fixed part 211 of described convex lens 24 at grade.
Described second moving member 22 comprises the second fixed part 221 and the second moving part 222.Described second connecting portion 221 is in tubular.Described second fixed part 222 is in round table-like.The inwall 223 of described second connecting portion 221 surrounds receiving space 224.Described second fixed part 221 is connected to the first end of described second connecting portion 222.The mounting seat 231 of described reflector 23 is arranged on described second fixed part 221, and is contained in described receiving space 224.The bottom edge support of described reflector 23 is on the inwall 223 of described second moving part 222.Wherein, the end face of the edge 233 of described reflector 23 and the second end of described second connecting portion 222 at grade.Second end of described second moving part 222 and the second end of described first moving part 212 are rotationally connected.When rotating described first fixed part 212, described first moving part 211 is driven to rotate relative to described second moving part 22, thus the distance changed between described reflector 23 and described convex lens 24, and then realize changing the object of described light source 10 being carried out to the light distribution angle of luminous intensity distribution.
Please continue to refer to Fig. 2 and Fig. 3, when the distance between described reflector 23 and described convex lens 24 is 5.5mm, described light source 10 is in the out-of-focus appearance of described convex lens 24, thus forms the light distribution angle that half light intensity full-shape is 40 degree.And reach 80lux at the most high illuminance of 2 meters of test positions far away.
Please continue to refer to Fig. 4 and Fig. 5, when the distance between described reflector 23 and described convex lens 24 is 12.5mm, described light source 10 is in the focal position of described convex lens 24, thus forms the collimation light distribution angle that half light intensity full-shape is 4.7 degree.And reach 2200lux at the most high illuminance of 2 meters of test positions far away.
Therefore, the present invention can realize multiple light distribution angle by regulating the distance between described reflector 23 and described convex lens 24.
Further, the inwall 213 of described first moving part 212 is formed with the first screw thread.The outer wall 226 of described second moving part 222 is formed with the second screw thread.Described first screw thread is connected with described second thread helix, thus described first moving part 212 is rotationally connected with described second moving part 222.
In other embodiments, the concrete structure of described first moving member 21 and described second moving member 22 also can adjust according to actual conditions.As long as ensure that described first moving member 21 is flexibly connected with described second moving member 22, when described first moving member 21 sends relative position with described second moving member 22, there is relative displacement with described reflector 23 in described convex lens 24, thus changes the distance between described convex lens 24 and described reflector 23.
In this better embodiment, described light fixture 100 comprises light source 10 and light fixture zoom system, pancreatic system 20.Described light fixture zoom system, pancreatic system 20 comprises the first moving member 21, second moving member 22, reflector 23 and convex lens 24.Described first moving member 21 is flexibly connected with described second moving member 22.Described convex lens 24 are arranged on described first moving member 21.Described reflector 23 is arranged on described second moving member 22.Described reflector 23 reflexes to described convex lens 24 for the light sent by the light source 10 arranged thereon.Described convex lens 24 are for reflecting away the reverberation received.When described first moving member 21 moves relative to described second moving member 22, described convex lens 24 are driven to move relative to described reflector 23, thus the distance changed between described convex lens 24 and described reflector 23, and then change the light distribution angle described light source 10 being carried out to luminous intensity distribution.Therefore, light fixture 100 of the present invention achieves the object of the light distribution angle regulating described light source 10 according to actual needs, meets the needs of environment moment change, and substantially increases the utilization rate of luminous energy.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a light fixture zoom system, pancreatic system, light for sending the light source of light fixture carries out luminous intensity distribution, it is characterized in that: described light fixture zoom system, pancreatic system comprises the first moving member, second moving member, reflector and convex lens, described first moving member is flexibly connected with described second moving member, described convex lens are arranged on described first moving member, described reflector is arranged on described second moving member, the light that described reflector is used for the light source arranged thereon sends reflexes to described convex lens, described convex lens are used for the reverberation received to reflect away, when described first moving member moves relative to described second moving member, described convex lens are driven to move relative to described reflector, thus the distance changed between described convex lens and described reflector, and then change the light distribution angle described light source being carried out to luminous intensity distribution.
2. light fixture zoom system, pancreatic system according to claim 1, it is characterized in that, described reflector comprises mounting seat and upwards disperses the reflecting wall extended to form from the edge of described mounting seat gradually, wherein, described reflecting wall has inner concave, described mounting seat is fixed on described second moving member, and described light source is arranged in described mounting seat, and the light that described light source sends reflexes to described convex lens through the inner concave of described reflecting wall.
3. light fixture zoom system, pancreatic system according to claim 2, is characterized in that, described inner concave is parabola, on described parabola the abscissa of every bit be multiplied by ten for this point ordinate square.
4. light fixture zoom system, pancreatic system according to claim 2, is characterized in that, described convex lens include optical platform and with described enter the lenticular body of optical platform smooth connection, described in enter optical platform bottom surface be plane, described lenticular body is free form surface.
5. light fixture zoom system, pancreatic system according to claim 1, it is characterized in that, described first moving member comprises the first fixed part and the first moving part, described moving part is tubular, the inwall of described first moving part surrounds mobile space, described first fixed part is connected to the first end of described first moving part, described first fixed part is provided with installing port, described convex lens cover is embedded on described installing port, described second moving member comprises the second fixed part and the second moving part, described second connecting portion is tubular, the inwall of described second connecting portion surrounds receiving space, described second fixed part is connected to the first end of described second connecting portion, the mounting seat of described reflector is arranged on described second fixed part, and be contained in described receiving space, the bottom edge support of described reflector is on the inwall of described second moving part, second end of described second moving part and the second end of described first moving part are rotationally connected, when rotating described first fixed part, described first moving part is driven to rotate relative to described second moving part, thus the distance changed between described reflector and described convex lens.
6. light fixture zoom system, pancreatic system according to claim 5, it is characterized in that, the inwall of described first moving part is formed with the first screw thread, the outer wall of described second moving part is formed with the second screw thread, described first screw thread is connected with described second thread helix, thus described first moving part and described second moving part are rotationally connected.
7. light fixture according to claim 5, is characterized in that, the optical platform that enters of described convex lens is nested in the installing port of described second fixed part, and described lenticular body stretches out described installing port completely.
8. light fixture zoom system, pancreatic system according to claim 7, it is characterized in that, at grade, the end face of the edge of described reflector and the second end of described second connecting portion at grade for the bottom surface entering optical platform of described convex lens and the inner surface of described first fixed part.
9. light fixture zoom system, pancreatic system according to claim 1, is characterized in that, the height of described reflector is 5.5mm, and the thickness of described convex lens is 8.22mm.
10. a light fixture, comprises light source and the light fixture zoom system, pancreatic system as described in any one of claim 1-9, and described light fixture zoom system, pancreatic system is used for carrying out luminous intensity distribution to the light that described light source sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210847.8A CN104214692B (en) | 2013-05-31 | 2013-05-31 | Lamps and lanterns and lamps and lanterns zoom system, pancreatic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210847.8A CN104214692B (en) | 2013-05-31 | 2013-05-31 | Lamps and lanterns and lamps and lanterns zoom system, pancreatic system |
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| Publication Number | Publication Date |
|---|---|
| CN104214692A true CN104214692A (en) | 2014-12-17 |
| CN104214692B CN104214692B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310210847.8A Active CN104214692B (en) | 2013-05-31 | 2013-05-31 | Lamps and lanterns and lamps and lanterns zoom system, pancreatic system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109123868A (en) * | 2018-09-17 | 2019-01-04 | 深圳市名家汇科技股份有限公司 | A kind of cap with health care function |
| KR20220098936A (en) * | 2021-01-05 | 2022-07-12 | (주)에스엘티 | Landscape Lighting Device with Adjustable Luminescent Angle |
| CN115264422A (en) * | 2022-07-19 | 2022-11-01 | 广州市新航科技有限公司 | Navigation aid lamp with multiple groups of switchable light sources |
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| CN1459014A (en) * | 2000-08-11 | 2003-11-26 | 布林克曼公司 | LED flashlight |
| CN101334144A (en) * | 2008-07-28 | 2008-12-31 | 深圳市中电照明股份有限公司 | Zoomed LED lamp |
| CN102635788A (en) * | 2012-03-30 | 2012-08-15 | 中国科学院长春光学精密机械与物理研究所 | Double-lens step zoom flashlight |
| CN202691607U (en) * | 2012-06-17 | 2013-01-23 | 王保国 | Variable focal length waterproof light-emitting diode (LED) flashlight |
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2013
- 2013-05-31 CN CN201310210847.8A patent/CN104214692B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459014A (en) * | 2000-08-11 | 2003-11-26 | 布林克曼公司 | LED flashlight |
| CN101334144A (en) * | 2008-07-28 | 2008-12-31 | 深圳市中电照明股份有限公司 | Zoomed LED lamp |
| CN102635788A (en) * | 2012-03-30 | 2012-08-15 | 中国科学院长春光学精密机械与物理研究所 | Double-lens step zoom flashlight |
| CN202691607U (en) * | 2012-06-17 | 2013-01-23 | 王保国 | Variable focal length waterproof light-emitting diode (LED) flashlight |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109123868A (en) * | 2018-09-17 | 2019-01-04 | 深圳市名家汇科技股份有限公司 | A kind of cap with health care function |
| KR20220098936A (en) * | 2021-01-05 | 2022-07-12 | (주)에스엘티 | Landscape Lighting Device with Adjustable Luminescent Angle |
| CN115264422A (en) * | 2022-07-19 | 2022-11-01 | 广州市新航科技有限公司 | Navigation aid lamp with multiple groups of switchable light sources |
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| Publication number | Publication date |
|---|---|
| CN104214692B (en) | 2018-08-17 |
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