CN202940876U - Photo-sensitive apparatus for file shooting instrument - Google Patents
Photo-sensitive apparatus for file shooting instrument Download PDFInfo
- Publication number
- CN202940876U CN202940876U CN201220595566.XU CN201220595566U CN202940876U CN 202940876 U CN202940876 U CN 202940876U CN 201220595566 U CN201220595566 U CN 201220595566U CN 202940876 U CN202940876 U CN 202940876U
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- China
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- file
- circuit board
- printed circuit
- case
- photoinduction device
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- Expired - Fee Related
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Abstract
The utility model relates to a photo-sensitive apparatus for a file shooting instrument. The photo-sensitive apparatus is arranged at the bottom of a movable arm of the file shooting instrument; the bottom of the movable arm is provided with a camera; a light supplementing lamp is arranged behind the camera; the photo-sensitive apparatus is arranged before and close to the camera and comprises a cover casing, a photo sensor and a printed circuit board, wherein the photo sensor and the printed circuit board are arranged in the cover casing; the photo sensor and the light supplementing lamp are respectively in electrical connection with the printed circuit board, and the printed circuit board is provided with a light brightness adjusting circuit. With such a structure, the photo-sensitive apparatus has the following advantages: brightness of surrounding ambient light is sensed by using the photo sensor on the printed circuit board, and automatic adjusting of the brightness of the light supplementing lamp is realized by using the light brightness adjusting circuit on the printed circuit board.
Description
Technical field
The utility model relates to Photoinduction device, relates in particular to a kind of for the Photoinduction device on file-photographing instrument.
Background technology
Take in the scanning industry at file at present and have a Universal Problems, can have influence on the image quality effect of file shooting scanning due to the variation of surround lighting, great majority are all to carry out the compensation of light with a simple light compensating lamp, if adjust light compensating lamp brightness, can only be by manually adjusting, inconvenient operation is time-consuming again.Therefore, urgent need is a kind of can adjust automatically according to the variation of surround lighting the device of light compensating lamp brightness.
Summary of the invention
The purpose of this utility model is can automatically adjust according to the variation of surround lighting a kind of for the Photoinduction device on file-photographing instrument of light compensating lamp brightness in order to provide.
To achieve these goals, the utility model adopts following technical scheme:
A kind of for the Photoinduction device on file-photographing instrument, be located at the lever arm bottom of file-photographing instrument, described lever arm bottom is provided with camera, be provided with light compensating lamp at the camera rear, described Photoinduction device is located at low coverage place, camera the place ahead, it is characterized in that: described Photoinduction device comprises case, optical sensor and printed circuit board, and described optical sensor and printed circuit board all are located in case; Described optical sensor and light compensating lamp are electrically connected to printed circuit board respectively, and described printed circuit board is provided with the lamplight brightness regulating circuit.
Described case is bowl-shape, and its diapire is burnishing surface.Smooth diapire is conducive to light and reflexes on optical sensor.
The sidewall of described case is transparent, and diapire is opaque.Surround lighting infiltrates from sidewall, and diapire is opaque, can effectively reflect light on optical sensor on the one hand, can avoid on the other hand file-photographing instrument below base plate color on the impact of optical sensor.
The light transmittance of the sidewall of described case is 50% ~ 70%.In conjunction with the saturating principle of irradiation, surrounding environment light can effectively infiltrate in case.
The diapire of described case is provided with three above cylindrical bosses, is equipped with screwed hole on described three above cylindrical bosses; Screwed hole on interior three the above cylindrical bosses of the corresponding case of described printed circuit board is provided with three above through holes, is equipped with screw on described three above through holes, printed circuit board is fixed in case with screwing by three.
Described optical sensor is the light sensation wafer.The accuracy of light sensation wafer is high, and sweeping instrument for the file shooting provides stable light source to guarantee, has therefore effectively promoted the image quality that file-photographing instrument is taken.
Described optical sensor is attached on printed circuit board.
Described case is by the injection mo(u)lding of PC material.
The utility model adopts above technical scheme, responds to the brightness of surrounding environment light by the optical sensor on printed circuit board, and by the automatic adjustment of the realization of the lamplight brightness regulating circuit on printed circuit board to light compensating lamp brightness.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the lever arm structural representation on file-photographing instrument;
Fig. 2 is a kind of structural representation for the Photoinduction device on file-photographing instrument of the utility model;
Fig. 3 is a kind of front section view for the Photoinduction device on file-photographing instrument of the utility model;
Fig. 4 is a kind of vertical view for the Photoinduction device on file-photographing instrument of the utility model;
Fig. 5 is file-photographing instrument overall structure schematic diagram.
Embodiment
Shown in one of Fig. 1 to Fig. 5, the utility model is a kind of for the Photoinduction device 4 on file-photographing instrument 8, be located at lever arm 9 bottoms of file-photographing instrument 8, described lever arm 9 bottoms are provided with camera 5, be provided with light compensating lamp 6 at camera 5 rears, described Photoinduction device 4 is located at camera 5 low coverage places, the place ahead, and described Photoinduction device 4 comprises case 1, optical sensor 3 and printed circuit board 2, and described optical sensor 3 and printed circuit board 2 all are located in case 1; Described optical sensor 3 and light compensating lamp 6 are electrically connected to printed circuit board 3 respectively, and described printed circuit board 3 is provided with the lamplight brightness regulating circuit.Photoinduction device 4 must be installed away from light compensating lamp 6, if Photoinduction device 4 dresses are bordering on light compensating lamp 6, disturbed by it, and the light that enters Photoinduction device 4 has been not exclusively surround lighting, and accuracy can reduce greatly.Photoinduction device 4 is installed on the bottom of file-photographing instrument 8 lever arms 9, and the interference of indoor daylight lamp or office lights can be effectively avoided in this installation, has improved accuracy.
Described case 1 is bowl-shape, and its diapire is burnishing surface.Smooth diapire is conducive to light and reflexes on optical sensor 3.
The sidewall of described case 1 is transparent, and diapire is opaque.Surround lighting infiltrates from sidewall, and diapire is opaque, can effectively reflect light on optical sensor 3 on the one hand, can avoid on the other hand the color of file-photographing instrument 8 below base plates 7 on the impact of optical sensor 3.
The light transmittance of the sidewall of described case 1 is 50% ~ 70%.In conjunction with the saturating principle of irradiation, surrounding environment light can effectively infiltrate in case 1.
The diapire of described case 1 is provided with three above cylindrical bosses 11, is equipped with screwed hole on described three above cylindrical bosses 11; Screwed hole on interior three the above cylindrical bosses 11 of the corresponding case 1 of described printed circuit board 2 is provided with three above through holes, is equipped with screw 10 on described three above through holes, printed circuit board 2 is fixed in case 1 with screwing 10 by three.
Described optical sensor 3 is the light sensation wafer.The accuracy of light sensation wafer is high, and sweeping instrument 8 for the file shooting provides stable light source to guarantee, has therefore effectively promoted the image quality that file-photographing instrument 8 is taken.
Described optical sensor 3 is attached on printed circuit board 2.
Described case 1 is by the injection mo(u)lding of PC material.
The utility model operation principle: surround lighting infiltrates from the sidewall of case 1, received by optical sensor 3, optical sensor 3 changes into the signal of telecommunication with the light signal that receives, and be transported to the lamplight brightness regulating circuit and carry out analyzing and processing, last lamplight brightness regulating circuit is realized the automatic adjustment to light compensating lamp 6 brightness by changing the drive current of light compensating lamp 6.
Claims (8)
1. Photoinduction device that is used on file-photographing instrument, be located at the lever arm bottom of file-photographing instrument, described lever arm bottom is provided with camera, be provided with light compensating lamp at the camera rear, described Photoinduction device is located at low coverage place, camera the place ahead, it is characterized in that: described Photoinduction device comprises case, optical sensor and printed circuit board, and described optical sensor and printed circuit board all are located in case; Described optical sensor and light compensating lamp are electrically connected to printed circuit board respectively, and described printed circuit board is provided with the lamplight brightness regulating circuit.
2. according to claim 1 a kind of for the Photoinduction device on file-photographing instrument, it is characterized in that: described case is bowl-shape, and its diapire is burnishing surface.
3. according to claim 2 a kind of for the Photoinduction device on file-photographing instrument, it is characterized in that: the sidewall of described case is transparent, and diapire is opaque.
4. according to claim 3 a kind of for the Photoinduction device on file-photographing instrument, it is characterized in that: the light transmittance of the sidewall of described case is 50% ~ 70%.
5. according to claim 1 a kind of for the Photoinduction device on file-photographing instrument, it is characterized in that: the diapire of described case is provided with three above cylindrical bosses, is equipped with screwed hole on described three above cylindrical bosses; Screwed hole on interior three the above cylindrical bosses of the corresponding case of described printed circuit board is provided with three above through holes, is equipped with screw on described three above through holes, printed circuit board is fixed in case with screwing by three.
6. according to claim 1 a kind of for the Photoinduction device on file-photographing instrument, it is characterized in that: described optical sensor is the light sensation wafer.
7. according to claim 1 or 6 is described a kind of for the Photoinduction device on file-photographing instrument, and it is characterized in that: described optical sensor is attached on printed circuit board.
8. according to claim 1 a kind of for the Photoinduction device on file-photographing instrument, it is characterized in that: described case is by the injection mo(u)lding of PC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220595566.XU CN202940876U (en) | 2012-11-12 | 2012-11-12 | Photo-sensitive apparatus for file shooting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220595566.XU CN202940876U (en) | 2012-11-12 | 2012-11-12 | Photo-sensitive apparatus for file shooting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940876U true CN202940876U (en) | 2013-05-15 |
Family
ID=48325098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220595566.XU Expired - Fee Related CN202940876U (en) | 2012-11-12 | 2012-11-12 | Photo-sensitive apparatus for file shooting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102917156A (en) * | 2012-11-12 | 2013-02-06 | 厦门欣汉电脑有限公司 | Light sensing device used on file photographing instrument |
| CN106657707A (en) * | 2017-03-22 | 2017-05-10 | 广州市吉星信息科技有限公司 | High-speed photographing instrument |
-
2012
- 2012-11-12 CN CN201220595566.XU patent/CN202940876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102917156A (en) * | 2012-11-12 | 2013-02-06 | 厦门欣汉电脑有限公司 | Light sensing device used on file photographing instrument |
| CN106657707A (en) * | 2017-03-22 | 2017-05-10 | 广州市吉星信息科技有限公司 | High-speed photographing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20131112 |