CN103186759A - Barcode scanner with dynamic multi-angle illuminating system - Google Patents
Barcode scanner with dynamic multi-angle illuminating system Download PDFInfo
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- CN103186759A CN103186759A CN201310134275XA CN201310134275A CN103186759A CN 103186759 A CN103186759 A CN 103186759A CN 201310134275X A CN201310134275X A CN 201310134275XA CN 201310134275 A CN201310134275 A CN 201310134275A CN 103186759 A CN103186759 A CN 103186759A
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Abstract
The invention provides a barcode scanner with a dynamic multi-angle illuminating system, comprising a shell, a glass window, an illuminating module and a photographing module, a photosensitive device and a main board with a central processing unit. The illuminating module comprises a scattering light guidance cover with a central axial through hole, and a plurality of LED (Light-emitting diode) lamps arranged in the scattering light guidance cover, wherein all or some of the LED lamps respectively form a plurality of illuminating lamp groves, the scattering light guidance cover is fixed on the shell, and the glass window and the photographing module are arranged in the shell and located behind the through hole. In comparison with the prior art, the barcode scanner with dynamic multi-angle illuminating system, provided by the invention, provides scattered and soft illuminating light, and can be used for barcode scanning on the surfaces of various different materials, thus, the barcode identification rate is improved and the application range of the barcode scanner is expanded.
Description
Technical field
The present invention relates to the bar code scan equipment technical field, especially relate to a kind of barcode scanner with dynamic multi-angle illumination system.
Background technology
Barcode scanner is called bar-code reader, bar code scan rifle, bar code scanner, barcode scanner and bar code reader again.It is be used to the arrangement for reading that reads information that bar code comprises, and utilizes optical principle, being transferred to computer or other equipment by data line or wireless mode behind the content decoding of bar code.Barcode scanner is widely used in the demand in a plurality of fields such as business POS POS, express delivery, storage, logistics, books, medicine.
In a lot of industrial applications, bar code is not only on the label that is printed on papery, and in some automobiles and electron trade, more and more enterprises is directly made bar code by the mode of laser engraving, spraying, etching even directly casting on parts.Bar code on unlike material or the different surfaces has characteristics such as low contrast or high reflection, has caused new challenge to reading decoding apparatus.
See also Fig. 1, it illustrates a kind of barcode scanner of prior art, and it comprises shell 1, trigger 2, button 3, windowpane 4, illumination module 5, shooting module 6, pilot lamp 7, hummer 8, mainboard 9, data and power interface 10, sensor devices 11.When adopting the black bar code of printing on this kind barcode scanner scanning paper labels, because the characteristics of the high-contrast of bar code and label and low reflection, the light source that sends by the LED lamp of illumination module 5, shooting module 6 and sensor devices 11 can obtain the image of bar code smoothly, and then can sweep sign indicating number smoothly.Yet for the bar code such as direct engraving on the metal parts, because metal surface and bar code have low contrast and high reflection characteristics, being arranged on light source that the LED lamp of the illumination module 5 of windowpane 4 back sends directly sees through windowpane 4 and is radiated on the bar code, light-source brightness is higher and more concentrated, according to the quality of the bar code image that becomes a large amount of reflected light to return to have influenced shooting module 6 and sensor devices 11 to obtain, therefore difficult bar code is decoded.
Therefore, the barcode scanner of prior art can only be identified the typographic bar code of paper labels, and in most of the cases can't be identified smoothly for the bar code of direct engraving, spraying, etching or casting on other material surfaces, discrimination is very low.
Summary of the invention
In order to overcome the defective of prior art, the purpose of this invention is to provide a kind of bar code that can be applicable to the various material surface and be well on and sweep the bar code scan equipment of sign indicating number, improve the bar-code identification rate, enlarge the range of application of bar code scan equipment.
In order to achieve the above object, the invention provides a kind of barcode scanner with dynamic multi-angle illumination system, it comprises shell, windowpane, illumination module and shooting module, sensor devices and the mainboard with central processing unit, it is characterized in that: described illumination module comprises that the middle part has the scattering light-conducting cover of axially extending bore and is arranged on the interior a plurality of LED lamps of described scattering light-conducting cover, described a plurality of LED lamps all or part of formed a plurality of lighting lamp group respectively, described scattering light-conducting cover is fixed on the described shell, and described windowpane and described shooting module are arranged in the described shell and are positioned at the rear of described through hole.
Preferably, described a plurality of LED lamp is arranged in the described scattering light-conducting cover according to different irradiating angles.
Preferably, described axially extending bore front portion has bore by little gradually big opening.
Preferably, described a plurality of lighting lamp group comprises first lighting lamp group of forming along a plurality of LED lamps at the rear that circumferentially is disposed on described scattering light-conducting cover, and the light source direction of illumination of described first lighting lamp group arranges forward along the central axis of described axially extending bore is parallel.More preferably, comprise respectively the lighting lamp group of being formed by symmetrically arranged LED lamp up and down and the lighting lamp group of being formed by the LED lamp that is symmetrical set in described first lighting lamp group.
Preferably, described a plurality of lighting lamp group comprises second lighting lamp group of a plurality of LED lamps compositions that arrange along the oblique interval of described opening inboard.More preferably, the light source direction of illumination of described second lighting lamp group arranges forward along the central axis of described axially extending bore is parallel.More preferably, the light source direction of illumination of described second lighting lamp group be arranged in parallel along the direction that the angle with the central axis of described axially extending bore is same acute angle.
Preferably, described a plurality of lighting lamp group comprises the 3rd lighting lamp group that a plurality of LED of arranging along the longitudinal separation of the central axis that is parallel to described axially extending bore form, and the light source direction of illumination of described the 3rd lighting lamp group is radially towards the axial line setting of described axially extending bore.
In the barcode scanner with dynamic multi-angle illumination system provided by the invention, adopted after the scattering light-conducting cover, the high brightness that LED etc. send, the light source of concentrating pass through the scattering process of scattering light-conducting cover, it is soft that light becomes, be radiated on the surface of low contrast and high reflection, the light that directly is back to the shooting module reduces, and has improved the quality of shooting module seizure bar code image, has improved the bar-code identification rate.Further, a plurality of LED lamps according to different irradiating angle settings can be formed a plurality of lighting lamp group, thereby constitute dynamic multi-angle illumination system, when scanning barcode, can select wherein one group as required or organize lighting lamp group unlatching illumination more, need with the illumination of bar code on the reply scanning various material surface.
Therefore, with respect to prior art, the invention provides and improved the bar-code identification rate, enlarged the range of application of barcode scanner.
Description of drawings
Fig. 1 is the cross-sectional view of a kind of barcode scanner of prior art.
Fig. 2 is the volume rendering synoptic diagram of the scattering light-conducting cover of barcode scanner of the present invention.
Fig. 3 is the synoptic diagram of symmetrically arranged lighting lamp group up and down in first lighting lamp group of barcode scanner of the present invention.
Fig. 4 is the synoptic diagram of the lighting lamp group that is symmetrical set in first lighting lamp group of barcode scanner of the present invention.
Fig. 5 is the synoptic diagram of the lighting lamp group that be arranged in parallel in second lighting lamp group of barcode scanner of the present invention.
Fig. 6 is for being the synoptic diagram of the lighting lamp group of acute angle setting with through-bore axis in second lighting lamp group of barcode scanner of the present invention.
Fig. 7 is the synoptic diagram of the 3rd lighting lamp group of barcode scanner of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the present invention is elaborated.
See also Fig. 2 to Fig. 7, the invention provides a kind of barcode scanner with dynamic multi-angle illumination system, it comprises shell, windowpane, illumination module and shooting module 6, sensor devices and the mainboard with central processing unit, described illumination module comprises that the middle part has the scattering light-conducting cover 16 of axially extending bore 17 and is arranged on a plurality of LED lamps in the described scattering light-conducting cover according to different angles, described a plurality of LED lamps all or part of formed a plurality of lighting lamp group respectively, described scattering light-conducting cover 16 is fixed on the described shell, and described windowpane and described shooting module are arranged in the described shell and are positioned at the rear of described through hole.In the present embodiment, described axially extending bore 17 front portions have bore by little gradually big opening.Described scattering light-conducting cover 16, described windowpane and the coaxial setting of described shooting module.
Described a plurality of lighting lamp group comprises first lighting lamp group of forming along a plurality of LED lamps 201 at the rear that circumferentially is disposed on described scattering light-conducting cover, and the light source direction of illumination of described first lighting lamp group arranges forward along the central axis of described axially extending bore is parallel.
See also Fig. 3, it is the vertical rip cutting synoptic diagram of the scattering light-conducting cover of barcode scanner of the present invention, comprises the lighting lamp group of being made up of symmetrically arranged LED lamp 202 up and down in described first lighting lamp group.
See also Fig. 4, it is the horizontal rip cutting synoptic diagram of the scattering light-conducting cover of barcode scanner of the present invention, and described first lighting lamp group also comprises the lighting lamp group of being made up of the LED lamp 203 that is symmetrical set.
Described a plurality of lighting lamp group comprises second lighting lamp group of a plurality of LED lamps compositions that arrange along the oblique interval of described opening inboard.
See also Fig. 5, described second lighting lamp group comprises that the light source direction of illumination is along the parallel LED lamp 204 that arranges forward of the central axis of described axially extending bore.
See also Fig. 6, described second lighting lamp group comprises that also the light source direction of illumination is the LED lamp 205 that the direction of same acute angle be arranged in parallel along the angle with the central axis of described axially extending bore 17.In the present embodiment, described acute angle is 45.
See also Fig. 7, described a plurality of lighting lamp group also comprises the 3rd lighting lamp group that a plurality of LED lamps 206 of arranging along the longitudinal separation of the central axis that is parallel to described axially extending bore 17 are formed, and the light source direction of illumination of described the 3rd lighting lamp group is radially towards the axial line setting of described axially extending bore 17.
When the barcode scanner of employing present embodiment carries out bar code scan, illuminating ray is scattering state, light is soft, described a plurality of lighting lamp group can be according to the bar code actual needs, be designed to multiple light illumination mode, form dynamic multi-angle illumination system, thereby adapt to the illumination needs on various material surface, improve the bar-code identification rate, enlarge the range of application of barcode scanner.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this; can not limit protection scope of the present invention with this; all equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. barcode scanner with dynamic multi-angle illumination system, it comprises shell, windowpane, illumination module and shooting module, sensor devices and has the mainboard of central processing unit, it is characterized in that: described illumination module comprises that the middle part has the scattering light-conducting cover of axially extending bore and is arranged on the interior a plurality of LED lamps of described scattering light-conducting cover, described a plurality of LED lamps all or part of formed a plurality of lighting lamp group respectively, described scattering light-conducting cover is fixed on the described shell, and described windowpane and described shooting module are arranged in the described shell and are positioned at the rear of described through hole.
2. bar code scan equipment according to claim 1, it is characterized in that: described a plurality of LED lamps are arranged in the described scattering light-conducting cover according to different irradiating angles.
3. bar code scan equipment according to claim 1 is characterized in that: described axially extending bore front portion has bore by little gradually big opening.
4. bar code scan equipment according to claim 2, it is characterized in that: described a plurality of lighting lamp group comprise first lighting lamp group of forming along a plurality of LED lamps at the rear that circumferentially is disposed on described scattering light-conducting cover, and the light source direction of illumination of described first lighting lamp group arranges forward along the central axis of described axially extending bore is parallel.
5. bar code scan equipment according to claim 4 is characterized in that: comprise respectively the lighting lamp group of being made up of symmetrically arranged LED lamp up and down and the lighting lamp group of being made up of the LED lamp that is symmetrical set in described first lighting lamp group.
6. bar code scan equipment according to claim 2 is characterized in that: described a plurality of lighting lamp group comprise second lighting lamp group that a plurality of LED lamps of arranging along the oblique interval of described opening inboard are formed.
7. bar code scan equipment according to claim 6 is characterized in that: the light source direction of illumination of described second lighting lamp group arranges forward along the central axis of described axially extending bore is parallel.
8. bar code scan equipment according to claim 6 is characterized in that: the light source direction of illumination of described second lighting lamp group be arranged in parallel along the direction that the angle with the central axis of described axially extending bore is same acute angle.
9. bar code scan equipment according to claim 2, it is characterized in that: described a plurality of lighting lamp group comprise the 3rd lighting lamp group that a plurality of LED of arranging along the longitudinal separation of the central axis that is parallel to described axially extending bore form, and the light source direction of illumination of described the 3rd lighting lamp group is radially towards the axial line setting of described axially extending bore.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310134275.XA CN103186759B (en) | 2013-04-17 | 2013-04-17 | Barcode scanner with dynamic multi-angle illuminating system |
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| CN201310134275.XA CN103186759B (en) | 2013-04-17 | 2013-04-17 | Barcode scanner with dynamic multi-angle illuminating system |
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| CN103186759A true CN103186759A (en) | 2013-07-03 |
| CN103186759B CN103186759B (en) | 2015-07-08 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104680117A (en) * | 2013-11-26 | 2015-06-03 | 英业达科技有限公司 | System and method for detecting image acquisition device arranged on electronic device |
| CN104834884A (en) * | 2015-04-28 | 2015-08-12 | 新石器龙码（北京）科技有限公司 | Barcode scanning device and method |
| CN105022979A (en) * | 2015-07-27 | 2015-11-04 | 深圳市民德电子科技股份有限公司 | Image reading device with included angle between optical axes of imaging system and light supplementing system |
| CN105022980A (en) * | 2015-07-28 | 2015-11-04 | 福建新大陆电脑股份有限公司 | Barcode image identifying and reading device |
| CN105069390A (en) * | 2015-07-27 | 2015-11-18 | 深圳市民德电子科技股份有限公司 | Bar code reader using planar light source for illumination |
| CN107516058A (en) * | 2017-09-18 | 2017-12-26 | 苏州斯普锐智能系统有限公司 | Low angle illuminates code reader |
| CN107577976A (en) * | 2017-09-18 | 2018-01-12 | 苏州斯普锐智能系统有限公司 | The fixed code reader of light filling type |
| CN108280378A (en) * | 2018-03-14 | 2018-07-13 | 昆山丘钛微电子科技有限公司 | A kind of two-dimensional code scanning device and two-dimensional code scanning method |
| WO2018209580A1 (en) * | 2017-05-17 | 2018-11-22 | Hand Held Products, Inc. | Multi-functional optical illuminators |
| CN114065792A (en) * | 2021-11-09 | 2022-02-18 | 东集技术股份有限公司 | Bar code reader and bar code scanning method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104680117A (en) * | 2013-11-26 | 2015-06-03 | 英业达科技有限公司 | System and method for detecting image acquisition device arranged on electronic device |
| CN104834884A (en) * | 2015-04-28 | 2015-08-12 | 新石器龙码（北京）科技有限公司 | Barcode scanning device and method |
| CN105022979B (en) * | 2015-07-27 | 2018-01-16 | 深圳市民德电子科技股份有限公司 | Imaging system and the image recognition device that light-supplementing system optical axis is in that angle is set |
| CN105022979A (en) * | 2015-07-27 | 2015-11-04 | 深圳市民德电子科技股份有限公司 | Image reading device with included angle between optical axes of imaging system and light supplementing system |
| CN105069390A (en) * | 2015-07-27 | 2015-11-18 | 深圳市民德电子科技股份有限公司 | Bar code reader using planar light source for illumination |
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| US11347951B2 (en) | 2017-05-17 | 2022-05-31 | Hand Held Products, Inc. | Multi-functional optical illuminators |
| WO2018209580A1 (en) * | 2017-05-17 | 2018-11-22 | Hand Held Products, Inc. | Multi-functional optical illuminators |
| US11907800B2 (en) | 2017-05-17 | 2024-02-20 | Hand Held Products, Inc. | Multi-functional optical illuminators |
| CN107577976A (en) * | 2017-09-18 | 2018-01-12 | 苏州斯普锐智能系统有限公司 | The fixed code reader of light filling type |
| CN107516058A (en) * | 2017-09-18 | 2017-12-26 | 苏州斯普锐智能系统有限公司 | Low angle illuminates code reader |
| CN107516058B (en) * | 2017-09-18 | 2024-03-08 | 苏州斯普锐智能系统股份有限公司 | Low-angle illumination code reader |
| CN107577976B (en) * | 2017-09-18 | 2024-03-08 | 苏州斯普锐智能系统股份有限公司 | Light supplementing type fixed code scanner |
| CN108280378A (en) * | 2018-03-14 | 2018-07-13 | 昆山丘钛微电子科技有限公司 | A kind of two-dimensional code scanning device and two-dimensional code scanning method |
| CN108280378B (en) * | 2018-03-14 | 2021-10-15 | 昆山丘钛微电子科技股份有限公司 | Two-dimensional code scanning device and two-dimensional code scanning method |
| CN114065792A (en) * | 2021-11-09 | 2022-02-18 | 东集技术股份有限公司 | Bar code reader and bar code scanning method |
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