CN101493208B - Flashlamp and reflecting device thereof - Google Patents
Flashlamp and reflecting device thereof Download PDFInfo
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- CN101493208B CN101493208B CN2008103001975A CN200810300197A CN101493208B CN 101493208 B CN101493208 B CN 101493208B CN 2008103001975 A CN2008103001975 A CN 2008103001975A CN 200810300197 A CN200810300197 A CN 200810300197A CN 101493208 B CN101493208 B CN 101493208B
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- light source
- reflecting plate
- flash lamp
- packing
- reflecting
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Abstract
A flash lamp is used on a camera on the front window of the flash lamp and with both semicircular ends, which comprises a light source part and a reflection device; wherein the reflection device comprises a light source loading part and a reflection part, the light source loading part is used for fixing the light source part, and the reflection part comprises a first reflection plate and a second reflection plate, the first reflection plate and the second reflection plate are respectively connected with the light source loading part in a permanent way; the two ends of the first reflection plate and the second reflection plate have symmetrical sector curve radians, which ensures the reflection part to form an opening with two semicircular ends after being permanently connected with the light source loading part; the length of the opening in the lengthwise direction is enlarged along the direction far away from the light source loading part, and the outline formed by the edges of the first reflection plate and the second reflection plate furthest from the light source loading part is consistent with the shape and size of the front window of the flash lamp.
Description
Technical field
The present invention relates to a kind of flash lamp, relate in particular to a kind of flash lamp and reflection unit thereof that is used for camera.
Background technology
Traditional camera flash-light has fluorescent tube and reflecting part.As shown in Figure 1, be the schematic diagram of conventional flash lamp reflecting part 1.Described reflecting part 1 is packed into by light source, and portion 10 reaches last reflecting plate 3 and following reflecting plate 4 is formed, the described light source portion 10 of packing into is used for fixing fluorescent tube (figure do not show), described go up reflecting plate 3 and down reflecting plate 4 be fixedly connected on the described light source portion 10 of packing into respectively, the described reflecting plate 3 of going up is formed with an opening 5 with following reflecting plate 4, and described opening 5 is square.The light that fluorescent tube sends reflects the back from described opening 5 outgoing through the described reflecting plate 3 of going up with following reflecting plate 4, thereby plays the effect of illuminated objects.
But because the two ends of the flash lamp front window of traditional camera are generally semicircle, the two ends shape is not of uniform size causes with described reflecting part 1, is easy to see through two ends and the inner lead that the flash lamp front window sees that fluorescent tube is outstanding after the assembling.At this problem, two semicircular nontransparent sheet rubbers are set at reflecting part 1 two ends at present usually, make flash lamp consistent with window shape size before the flash lamp on the whole, thereby can cover the outstanding part of fluorescent tube.But when front window is seen into, still can see the part sheet rubber, not only not attractive in appearance, and since before reflecting part 1 and the flash lamp window shape inconsistent, be difficult to accurately to limit the relative position of reflecting part 1 and flash lamp front window.
In addition, opening 5 areas of above-mentioned reflecting part 1 are less, make the luminous intensity distribution scope of flash lamp reduce, and when using taking photos by using flashlights, luminous intensity concentrates on the object zone line easily, and brightness all around is lower, can't reach the purpose of uniform irradiation object.
Summary of the invention
In view of this, be necessary to provide a kind of spacing easily and flash lamp and reflection unit thereof that the luminous intensity distribution scope is bigger.
A kind of flash lamp is used for one and has the camera that two ends are semicircular flash lamp front window.It comprises light source part and reflection unit, and described reflection unit comprises: the light source portion of packing into is used for fixing light source part.Reflecting part, it comprises first reflecting plate and second reflecting plate, described first reflecting plate and second reflecting plate are fixedlyed connected with the described light source portion of packing into respectively.Described first reflecting plate and the second reflecting plate two ends have the symmetry fan-shaped crooked radian, through described light source pack into portion fixedly connected after, making described reflecting part be formed with two ends is semicircular opening.Described opening increases in the length of its longitudinally direction along the portion of packing into away from light source, and described first reflecting plate and second reflecting plate are big or small the most consistent away from the described light source window shape of packing into before the formed profile in edge and the described flash lamp of portion.
A kind of flash lamp reflection unit is used for one and has the camera that two ends are semicircular flash lamp front window, and it comprises: the light source portion of packing into is used for fixing light source part; Reflecting part, it comprises first reflecting plate and second reflecting plate, described first reflecting plate and second reflecting plate are fixedlyed connected with the described light source portion of packing into respectively.Described first reflecting plate and the second reflecting plate two ends have the symmetry fan-shaped crooked radian, through described light source pack into portion fixedly connected after, making described reflecting part be formed with two ends is semicircular opening.Described opening increases in the length of its longitudinally direction along the portion of packing into away from light source, and described first reflecting plate and second reflecting plate are big or small the most consistent away from the described light source window shape of packing into before the formed profile in edge and the described flash lamp of portion.
Compare with previous flash lamp reflection unit, in flash lamp of the present invention and the reflection unit thereof, first reflecting plate of described reflecting part and the second reflecting plate two ends have the fan-shaped crooked radian of symmetry, through described light source pack into portion fixedly connected after, making described reflecting part be formed with two ends is semicircular opening.And the formed profile in edge of described first reflecting plate and second reflecting plate is consistent with window shape size before the described flash lamp, can see integrated light source part and reflecting part after the assembling, seem more attractive in appearance, and the relative position of more objective easy qualification reflecting part and front window.In addition, described aperture area increases, and has enlarged the luminous intensity distribution scope of flash lamp reflecting part, and during shot object, the peripheral regions of object is better with respect to the light intensity distributions uniformity of zone line.
Description of drawings
Fig. 1 is existing flash lamp reflecting part shape schematic diagram;
Fig. 2 is a flash lamp reflection unit shape schematic diagram provided by the invention;
Fig. 3 is the perspective view of flash lamp provided by the invention;
Fig. 4 is the flash light intensity distributions simulation drawing behind the use flash lamp reflecting part shown in Figure 1;
Fig. 5 is the flash light intensity distributions simulation drawing behind the use flash lamp reflection unit of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
See also Fig. 2 and Fig. 3, be respectively flash lamp reflection unit 100 provided by the present invention and use the flash lamp 200 of described flash lamp reflection unit 100, be used for one and have the camera that two ends are semicircular flash lamp front window 300.Described flash lamp reflection unit 100 comprises light source pack into portion 10 and reflecting part 20.Described reflecting part 20 comprises first reflecting plate 21 and second reflecting plate 22, and described first reflecting plate 21 and second reflecting plate 22 are fixedlyed connected with the described light source portion 10 of packing into respectively.
The described light source portion 10 of packing into is used for fixing the light source part 13 of flash lamp, and described light source part 13 specifically can be microscler fluorescent tube etc.The described light source portion 10 of packing into is fixed on the back of described reflecting part 20, and it comprises set casing 11 and holding section 12.Described set casing 11 is specifically as follows cylindric or rectangular-shaped, has a plurality of bayonet sockets 14 on it.Described holding section 12 is arranged on the described set casing 11, and by bayonet socket 14 fixed light source parts 13.
First reflecting plate 21 and second reflecting plate 22 of described reflecting part 20 have reflecting surface and non-reflecting surface respectively, and described reflecting surface is near light source part 13, and two reflectings surface are relative.Described first reflecting plate 21 and second reflecting plate, 22 two ends all have the fan-shaped crooked radian of symmetry, through described light source pack into portion 10 fixedly connected after, it is semicircular profile that the fan-shaped crooked radian of described first reflecting plate 21 and second reflecting plate 22 is formed with two ends, and looking just as described reflecting part 20 is formed with two ends on the whole is semicircular opening 23.Described opening 23 increases in the length of its longitudinally direction along the portion 10 of packing into away from light source, and described first reflecting plate 21 and second reflecting plate 22 are big or small the most consistent with described flash lamp front window 300 shapes away from pack into the formed profile in edge of portion 10 of described light source.
In addition, flash lamp 200 of the present invention also can comprise fixture 30, and described fixture 30 is used for fixing the relative position of light source part 13 and reflecting part 20.As shown in Figure 3, described fixture 30 is stuck in described reflecting part 20 two ends, and connects with the described light source portion 10 of packing into simultaneously.Described fixture 30 is nontransparent sheet.
Light intensity distributions simulation drawing when glistening as shown in Figure 4, for the flash lamp that uses existing flash lamp reflecting part 1.Light intensity distributions simulation drawing when glistening as shown in Figure 5, for the flash lamp that uses flash lamp reflection unit 100 of the present invention.Wherein, GN represents brightness value.
Suppose the light distribution zone is divided into equal-sized nine zones, the zone line light intensity distributions is 100%, and its peripheral regions is with respect to light intensity distributions percentage such as Fig. 4 and shown in Figure 5 of zone line.Data by Fig. 4 can calculate, behind the existing flash lamp reflecting part 1 of use, and the light intensity distributions average out to 26.3895% of four top corner regions in light intensity distributions zone.Data by Fig. 5 can calculate, use flash lamp reflection unit 100 of the present invention after, the light intensity distributions average out to 28.6529% of four top corner regions in light intensity distributions zone.The contrast back is found, under the essentially identical situation of zone line light intensity distributions, after using flash lamp reflection unit 100 of the present invention, four top corner regions luminous intensity mean values in described light intensity distributions zone increase, and its light intensity distributions uniformity with respect to zone line is better.
In flash lamp 200 of the present invention and the reflection unit 100 thereof, first reflecting plate 21 of described reflecting part 20 and second reflecting plate, 22 two ends have the fan-shaped crooked radian of symmetry, through described light source pack into portion 10 fixedly connected after, making described reflecting part 20 be formed with two ends is semicircular opening 23, and the formed profile in edge of described first reflecting plate 21 and second reflecting plate 22 is consistent with described flash lamp front window 300 shapes size, can see the light source part 13 and reflecting part 20 of one after the assembling, seem more attractive in appearance, and more hold for limiting the relative position of reflecting part 20 and flash lamp front window 300.In addition, described opening 23 areas increase, and have enlarged the luminous intensity distribution scope of flash lamp reflecting part 20, and four top corner regions brightness of object are increased, and are better with respect to the light intensity distributions uniformity of zone line.
In sum, no matter the present invention all is different from the feature of known technology with regard to purpose, means and effect.Only must notice that above-mentioned embodiment only is exemplary illustration principle of the present invention and effect, but not is used to limit the scope of the invention.Those skilled in the art can do other variation in spirit of the present invention, still, all variations of doing according to the present invention's spirit essence all should be included within the present invention's scope required for protection.
Claims (8)
1. a flash lamp is used for one and has the camera that two ends are semicircular flash lamp front window, and it comprises light source part and reflection unit, and described reflection unit comprises:
The light source portion of packing into is used for fixing light source part;
Reflecting part, it comprises first reflecting plate and second reflecting plate, described first reflecting plate and second reflecting plate are fixedlyed connected with the described light source portion of packing into respectively;
It is characterized in that, described first reflecting plate and the second reflecting plate two ends have the fan-shaped crooked radian of symmetry, through described light source pack into portion fixedly connected after, making described reflecting part be formed with two ends is semicircular opening, described opening increases in the length of its longitudinally direction along the portion of packing into away from light source, and described first reflecting plate and second reflecting plate are big or small the most consistent away from the described light source window shape of packing into before the formed profile in edge and the described flash lamp of portion.
2. flash lamp as claimed in claim 1 is characterized in that, described light source part is microscler fluorescent tube.
3. flash lamp as claimed in claim 1, it is characterized in that the described light source portion of packing into comprises set casing and holding section, described holding section is arranged on the described set casing, have a plurality of bayonet sockets on the described set casing, described holding section is by described bayonet socket fixed light source parts.
4. flash lamp as claimed in claim 1, it is characterized in that, described reflection unit comprises that also one is used for fixing the fixture of light source part and described reflecting part relative position, and described fixture is stuck in described reflecting part two ends, and connects with the described light source portion of packing into simultaneously.
5. flash lamp as claimed in claim 4 is characterized in that, described fixture is nontransparent sheet.
6. a flash lamp reflection unit is used for one and has the camera that two ends are semicircular flash lamp front window, and it comprises:
The light source portion of packing into is used for fixing light source part;
Reflecting part, it comprises first reflecting plate and second reflecting plate, described first reflecting plate and second reflecting plate are fixedlyed connected with the described light source portion of packing into respectively;
It is characterized in that, described first reflecting plate and the second reflecting plate two ends have the fan-shaped crooked radian of symmetry, through described light source pack into portion fixedly connected after, making described reflecting part be formed with two ends is semicircular opening, described opening increases in the length of its longitudinally direction along the portion of packing into away from light source, and described first reflecting plate and second reflecting plate are big or small the most consistent away from the described light source window shape of packing into before the formed profile in edge and the described flash lamp of portion.
7. flash lamp reflection unit as claimed in claim 6 is characterized in that, described light source part is microscler fluorescent tube.
8. flash lamp reflection unit as claimed in claim 6, it is characterized in that the described light source portion of packing into comprises set casing and holding section, described holding section is arranged on the described set casing, have a plurality of bayonet sockets on the described set casing, described holding section is by described bayonet socket fixed light source parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103001975A CN101493208B (en) | 2008-01-23 | 2008-01-23 | Flashlamp and reflecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103001975A CN101493208B (en) | 2008-01-23 | 2008-01-23 | Flashlamp and reflecting device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101493208A CN101493208A (en) | 2009-07-29 |
| CN101493208B true CN101493208B (en) | 2010-06-02 |
Family
ID=40923932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103001975A Expired - Fee Related CN101493208B (en) | 2008-01-23 | 2008-01-23 | Flashlamp and reflecting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101493208B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2086425U (en) * | 1991-01-24 | 1991-10-09 | 陈国新 | Combined flash lamp |
| US5913083A (en) * | 1998-01-06 | 1999-06-15 | Eastman Kodak Company | Camara-to-flash unit attachment assembly |
| CN2479536Y (en) * | 2001-04-12 | 2002-02-27 | 明碁电通股份有限公司 | Flash lamp |
-
2008
- 2008-01-23 CN CN2008103001975A patent/CN101493208B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2086425U (en) * | 1991-01-24 | 1991-10-09 | 陈国新 | Combined flash lamp |
| US5913083A (en) * | 1998-01-06 | 1999-06-15 | Eastman Kodak Company | Camara-to-flash unit attachment assembly |
| CN2479536Y (en) * | 2001-04-12 | 2002-02-27 | 明碁电通股份有限公司 | Flash lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101493208A (en) | 2009-07-29 |
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Granted publication date: 20100602 Termination date: 20150123 |
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| EXPY | Termination of patent right or utility model |