CN102252269A - Method for configuring light sources and reflection surfaces of illumination system, and use of illumination system - Google Patents
Method for configuring light sources and reflection surfaces of illumination system, and use of illumination system Download PDFInfo
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- CN102252269A CN102252269A CN2010101788983A CN201010178898A CN102252269A CN 102252269 A CN102252269 A CN 102252269A CN 2010101788983 A CN2010101788983 A CN 2010101788983A CN 201010178898 A CN201010178898 A CN 201010178898A CN 102252269 A CN102252269 A CN 102252269A
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Abstract
The invention discloses a method for configuring light sources and reflection surfaces of an illumination system. The illumination system comprises a plurality of elliptic reflection surfaces with a co-focus; and the other focus of each elliptic reflection surface is provided with a light source to ensure that each light source faces each corresponding elliptic reflection surface and then emits light, and the light is converged to the co-focus after being reflected. The light of different light sources is converged to the co-focus by using the plurality of elliptic reflection surfaces with the co-focus, the light can be focused, the illuminating brightness is increased, the light enters the co-focus at different angles, and an object to be illuminated near the co-focus can obtain light at different angles, so that when light at a certain angle is shaded, the light at other angles can provide the illumination of objects to be illuminated.
Description
Technical field
The present invention relates to a kind of collocation method and use thereof of light source and reflecting surface of illuminator, particularly relate to a kind of illuminator and use thereof with confocal majority elliptic reflecting surface.
Background technology
In a lot of fields, need utilize illuminator to a certain objects or a specific region irradiation, to observe the configuration of surface of this certain objects or specific region.For example in automatic optical detecting system, need utilize illuminator, can make the image on image capture unit acquisition determinand surface to determinand (for example circuit board) irradiation.For example during the surgery medical operating, the illumination at corrective surgery position must be strengthened again,, just correct medical judgment can be made so that the doctor can know the bodily tissue of seeing operative site.In addition, common people also can use desk lamp to assist the illumination of strengthening reading the zone when reading usually.
Yet, the angle of existing illuminator normal daylight irradiation is confined to a small angle range, and because of light is the characteristic of straight ahead, if there is concavo-convex fluctuating on the certain objects of desire illumination or the surface of specific region, then its recess may be blocked by protruding place and according to less than light, promptly presents shade and can't be observed at recess.Perhaps, when for example the doctor performed the operation, light may be blocked by doctor's hand or operational tool, and causes local shade at the corrective surgery position.Similarly; general desk lamp must be adjusted the particular orientation that is positioned at the user, just can avoid being blocked by health, but because the restriction in space; be not whenever desk lamp to be positioned over best position, so the situation that still can not avoid light to be blocked usually.
Summary of the invention
A purpose of the present invention is to provide a kind of and treats that at one illuminated objects can provide than the light source of the illuminator of multi-angle irradiation and the collocation method of reflecting surface.
Another object of the present invention is promptly providing a kind of illuminator that is used for automatic optical checking equipment of using aforesaid collocation method.
Another purpose of the present invention is promptly providing a kind of lighting device that uses aforesaid collocation method.
According to a preferred embodiment of the present invention, the light source of illuminator of the present invention and the collocation method of reflecting surface, make illuminator have a confocal majority elliptic reflecting surface, and one light source is set in another focus place of each elliptic reflecting surface, make each light source luminous towards each elliptic reflecting surface corresponding with it, light converges at confocal some place via after reflecting.
According to a specific example of the present invention, the present invention is used for the illuminator of automatic optical checking equipment, and checkout facility comprises an image capture unit and a detection zone, and image capture unit is to being positioned at a determinand pick-up image of detection zone; Illuminator comprises: two reflectors and two light sources.Two reflectors lay respectively at the both sides of image capture unit to the detection zone line, and each reflector has an elliptic reflecting surface, and the confocal point of two elliptic reflecting surfaces, and confocal some place is positioned at detection zone.Corresponding respectively each elliptic reflecting surface of two light sources is positioned at its another focus place, after the light of each light emitted reflects via each elliptic reflecting surface corresponding with it, and the irradiating and detecting district.
According to another concrete example of the present invention, lighting device of the present invention comprises: a cover body and most light sources.Cover body has a confocal majority elliptic reflecting surface.Corresponding respectively each the elliptic reflecting surface setting of light source also is positioned at its another focus place, and the light of each light emitted converges at confocal some place after reflecting via each elliptic reflecting surface corresponding with it.
Useful effect of the present invention is: utilize a confocal majority elliptic reflecting surface that the light of Different Light is converged at confocal some place, not only can concentrate light, increase brightness of illumination, and light is by the confocal point of different angles incident place, can make near the illuminated objects for the treatment of that is positioned at the confocal some place, can obtain the irradiation of more multiple angle, also having the light of other angles that the irradiation for the treatment of illuminated objects can be provided when the light crested of a certain angle.
Description of drawings
Fig. 1 is the schematic diagram of a preferred embodiment of the collocation method of the light source of illuminator of the present invention and reflecting surface;
Fig. 2 is a schematic side view, and first concrete example of the collocation method of the light source of this illuminator and reflecting surface is described, is used in the illuminator of automatic optical checking equipment;
Fig. 3 is a cross-sectional schematic, and second concrete example of the collocation method of the light source of this illuminator and reflecting surface is described, is used in lighting device.
The specific embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
Consult Fig. 1, one preferred embodiment of the light source of illuminator of the present invention and the collocation method of reflecting surface, make illuminator 1 have most elliptic reflecting surfaces 11 of confocal point 10, and (be light source 12 placements in another focus of each elliptic reflecting surface 11, not other label) locates to be provided with a light source 12, make each light source 12 luminous towards each elliptic reflecting surface 11 corresponding with it, light converges at confocal point 10 places via after reflecting.In this preferred embodiment, the eccentricity of two elliptic reflecting surfaces 11 in four the wherein graphic direction of elliptic reflecting surface 11 left sides shown in Figure 1 is identical, different with two elliptic reflecting surfaces 11 in the right, but all the eccentricity of elliptic reflecting surface 11 also can be all identical or all different, do not exceed with this preferred embodiment.The eccentricity that is to say described elliptic reflecting surface 11 can be identical or all not identical (but promptly wherein part identical and part is different or all neither with).By a plurality of elliptic reflecting surfaces 11 light is converged at confocal point 10 places, can make light by the confocal point of different direction directives 10 places, therefore be positioned near the confocal point 10 objects and can be subjected to light irradiation from different angles, with avoid single angle light be subjected to covering promptly can't effective lighting shortcoming.The quantity of elliptic reflecting surface 11 can be according to the user demand setting, to reach the illuminating effect of multi-angle.
Preferably, can use the luminescence component of light emitting diode as each light source 12, each light source 12 can have at least one light emitting diode, for example can form the lamp bar by a plurality of light emitting diodes, the quantity of light emitting diode that each light source 12 has can be decided according to its corresponding elliptic reflecting surface 11 sizes.Adopt light emitting diode to have the advantage of saving the energy, environmental protection, and elliptic reflecting surface 11 has the characteristic that the light in the emission of one focus is reflexed to another focus, by confocal a plurality of elliptic reflecting surfaces 11, can compile light, and can increase the utilization rate and the brightness of illumination of light.
For the purpose of it should be noted that for convenience of description, only with the schematic view illustrating elliptic reflecting surface 11 on plane and the relativeness of light source 12, in solid space, elliptic reflecting surface 11 can be a cylindroid part or is the part of oval ball Fig. 1.
Consult Fig. 2, the present invention uses first concrete example of the collocation method of the light source of aforementioned illuminator and reflecting surface, is the illuminator 2 that is used for automatic optical checking equipment.Checkout facility (among the figure not label) comprises an image capture unit 31 and a detection zone 32, and 31 pairs of image capture units are positioned at a determinand 33 pick-up images of detection zone 32.Illuminator 2 comprises: two reflectors 21 and two light sources 22.This two reflector 21 lays respectively at the both sides of image capture unit 31 to detection zone 32 line I, and each reflector 21 has an elliptic reflecting surface 211, and these two elliptic reflecting surfaces, 211 confocal points, and confocal some place is positioned at detection zone 32.Corresponding respectively each elliptic reflecting surface 211 of this two light source 22 is positioned at its another focus place, in this concrete example, each light source 22 elliptic reflecting surface 211 corresponding with it lays respectively at the both sides of image capture unit 31 to detection zone 32 line I, after the light of each light source 22 emission reflects via each elliptic reflecting surface 211 corresponding with it, irradiating and detecting district 32 (i.e. the confocal some place of two elliptic reflecting surfaces 211).Determinand 33 is positioned at detection zone 32 and can be subjected to shining from the light of different directions (being different angles), can make the concavo-convex place of determinand 33 surface profiles can utilize the light irradiation of different angles, avoids recess to be caused the dead angle of detection by shading.In this first concrete example, the eccentricity of two elliptic reflecting surfaces 211 is identical, each light source 22 has a plurality of light emitting diode (not shown)s, light emitting diode is arranged the form that forms the lamp bar and is provided with towards relative elliptic reflecting surface 211, Fig. 2 is a schematic side view, elliptic reflecting surface 211 and light-emitting diode light bar can form the irradiation scope of vertical bar shaped along extending perpendicular to page on detection zone 32, be applicable to the circuit that detects printed circuit board (PCB).
Consult Fig. 3, the present invention uses second concrete example of the collocation method of the light source of aforementioned illuminator and reflecting surface, is a lighting device 4, and it comprises: a cover body 41 and most light sources 42.Cover body 41 has most elliptic reflecting surfaces 411 of confocal point 40.Corresponding respectively each elliptic reflecting surface 411 of each light source 42 is provided with and is positioned at its another focus (being light source 42 places, other label) and locates, and the light of each light source 42 emission converges at confocal point 40 places after reflecting via each elliptic reflecting surface 411 corresponding with it.In this second concrete example, the eccentricity of elliptic reflecting surface 411 is neither together, each light source 42 has a plurality of light emitting diode (not shown)s, light emitting diode is arranged the form that forms the lamp bar and is provided with towards relative elliptic reflecting surface 411, and the kind of light source 42 and light direction can be according to the demand adjustment.Lighting device 4 is applicable to the lighting apparatus that needs to concentrate irradiation as general desk lamp, operation with desk lamp etc., it can accumulate in the specific region with the light of a plurality of light sources 42, so that preferable brightness of illumination to be provided, and the irradiation with multi-angle can avoid single angle light to be blocked promptly according to the situation less than light.
In sum, the light source of illuminator of the present invention and the collocation method of reflecting surface can concentrate light to improve brightness of illumination, and the irradiation than multi-angle can be provided, can avoid single angle light to be blocked promptly, can reach purpose of the present invention really according to situation less than light.
Claims (9)
1. the collocation method of the light source of an illuminator and reflecting surface, it is characterized in that: make this illuminator have a confocal majority elliptic reflecting surface, and one light source is set in another focus place of this elliptic reflecting surface respectively, make that respectively this light source is luminous towards respectively this elliptic reflecting surface corresponding with it, light converges at this confocal some place via after reflecting.
2. the collocation method of the light source of illuminator according to claim 1 and reflecting surface, it is characterized in that: the eccentricity of described elliptic reflecting surface is identical.
3. the collocation method of the light source of illuminator according to claim 1 and reflecting surface, it is characterized in that: the eccentricity of described elliptic reflecting surface is all not identical.
4. according to the light source of each described illuminator of claim 1 to 3 and the collocation method of reflecting surface, it is characterized in that: respectively this light source has at least one light emitting diode.
5. illuminator that is used for automatic optical checking equipment, this checkout facility comprises an image capture unit and a detection zone, and this image capture unit is to being positioned at a determinand pick-up image of this detection zone; It is characterized in that: described illuminator comprises:
Two reflectors lay respectively at the both sides of this image capture unit to this detection zone line, and respectively this reflector has an elliptic reflecting surface, and the confocal point of this two elliptic reflecting surface, and this confocal some place is positioned at this detection zone;
Two light sources, respectively correspondence respectively this elliptic reflecting surface be positioned at its another focus place, respectively the light of this light emitted via respectively this elliptic reflecting surface reflection corresponding with it after, shine this detection zone.
6. illuminator according to claim 5 is characterized in that: respectively this light source this elliptic reflecting surface corresponding with it lays respectively at the both sides of this image capture unit to this detection zone line.
7. lighting device; It is characterized in that: described lighting device comprises:
One cover body has a confocal majority elliptic reflecting surface;
Most light sources, respectively this elliptic reflecting surface setting and be positioned at its another focus place of correspondence respectively, respectively the light of this light emitted via respectively this elliptic reflecting surface reflection corresponding with it after, converge at this confocal some place.
8. lighting device according to claim 7 is characterized in that: the eccentricity of described elliptic reflecting surface is all not identical.
9. lighting device according to claim 7 is characterized in that: respectively this light source has at least one light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101788983A CN102252269A (en) | 2010-05-21 | 2010-05-21 | Method for configuring light sources and reflection surfaces of illumination system, and use of illumination system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101788983A CN102252269A (en) | 2010-05-21 | 2010-05-21 | Method for configuring light sources and reflection surfaces of illumination system, and use of illumination system |
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| CN102252269A true CN102252269A (en) | 2011-11-23 |
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| CN2010101788983A Pending CN102252269A (en) | 2010-05-21 | 2010-05-21 | Method for configuring light sources and reflection surfaces of illumination system, and use of illumination system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375770A (en) * | 2012-04-12 | 2013-10-30 | 现代摩比斯株式会社 | Reflector of vehicle lighting device and |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020006039A1 (en) * | 2000-07-14 | 2002-01-17 | Kyoto Denkiki Co., Ltd. | Linear lighting system |
| CN1492179A (en) * | 2002-10-25 | 2004-04-28 | 台达电子工业股份有限公司 | Multiple lamp source lighting system |
| US20050094402A1 (en) * | 2003-10-31 | 2005-05-05 | Pierre Albou | Lighting module for a vehicle headlight |
| CN101576594A (en) * | 2008-05-06 | 2009-11-11 | 大元科技股份有限公司 | Automatic optical checking equipment and light source module thereof |
-
2010
- 2010-05-21 CN CN2010101788983A patent/CN102252269A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020006039A1 (en) * | 2000-07-14 | 2002-01-17 | Kyoto Denkiki Co., Ltd. | Linear lighting system |
| CN1492179A (en) * | 2002-10-25 | 2004-04-28 | 台达电子工业股份有限公司 | Multiple lamp source lighting system |
| US20050094402A1 (en) * | 2003-10-31 | 2005-05-05 | Pierre Albou | Lighting module for a vehicle headlight |
| CN101576594A (en) * | 2008-05-06 | 2009-11-11 | 大元科技股份有限公司 | Automatic optical checking equipment and light source module thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375770A (en) * | 2012-04-12 | 2013-10-30 | 现代摩比斯株式会社 | Reflector of vehicle lighting device and |
| CN103375770B (en) * | 2012-04-12 | 2015-06-17 | 现代摩比斯株式会社 | Reflector of vehicle lighting device and |
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Application publication date: 20111123 |