CN205080559U - Imaging system is image recognition equipment that contained angle set up with grow light system optical axis - Google Patents
Imaging system is image recognition equipment that contained angle set up with grow light system optical axis Download PDFInfo
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- CN205080559U CN205080559U CN201520550995.9U CN201520550995U CN205080559U CN 205080559 U CN205080559 U CN 205080559U CN 201520550995 U CN201520550995 U CN 201520550995U CN 205080559 U CN205080559 U CN 205080559U
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Abstract
The utility model relates to an imaging system is image recognition equipment that contained angle set up with grow light system optical axis, wait to distinguish the imaging system of image and be used for getting for instance the interval grow light system who carries out the light filling for imaging system including being used for acquireing. Imaging system's optical axis is the contained angle setting with grow light system's optical axis. Grow light system includes the light source, is used for to make the even light device that the light of light source evenly jetted out and will divide light reflex getting for instance beam splitting device on the interval to imaging system through the emergent ray of even light device. Imaging system's optical axis and grow light system's optical axis are the contained angle, can make the light uniform irradiation who sends to the getting for instance interval of imaging system of light source through even light device, beam splitting device, let get for instance each regional illumination intensity who accepts of image is distinguished in interval waiting matches, still can avoid the mapping of image recognition equipment on waiting to distinguish the image, let and wait to distinguish image display clarity more, have guaranteed to obtain the more high -quality image information who waits to distinguish the image, and the realization of being convenient for is swiftly decoded.
Description
Technical field
The utility model relates to a kind of imaging system and light-supplementing system optical axis is the image recognition device that angle is arranged.
Background technology
Bar code is first proposed in 1949 by the N.T.Woodland of the U.S..Improving constantly with universal in recent years along with computer technology, the application of bar code obtains very large development.Generally, the daylight lamp intensity of illumination of natural light or indoor can not meet the requirement of imaging system 2 pairs of intensities of illumination of bar code reading facility, at this moment needs to consider that treating recognition bar code with extra light source carries out light filling.
As shown in Figure 5, Figure 6, current most products all adopts directly in the mode of imaging system 2 arranged alongside light source 31, for treating that recognition bar code carries out light filling.For this bar code reading facility, there will be the defects such as middle bright limb is dark when light compensating lamp light is radiated on bar code and cause showing unintelligible, contrast decline, interference being caused to the imaging effect of imaging system 2, not easily decodes.
As shown in Figure 7, when printing bar code is on the surface of smooth object, existing light compensating lamp light there will be strongly reflective when being radiated on bar code, cause severe jamming to the imaging effect of imaging system 2: when recognition bar code is one-dimensional bar code, it shows as reading code and has some setbacks; When recognition bar code is Quick Response Code, it is caused not decode because the hot spot strongly exposed masks the information of part Quick Response Code; When bar code and equipment are some angle, the local feature of equipment can produce mapping, treating recognition image forms local shadow, affects reading code.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of imaging system and light-supplementing system optical axis to be the image recognition device that angle is arranged.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of imaging system and light-supplementing system optical axis is the image recognition device that angle is arranged, and comprises for obtaining the imaging system waiting to distinguish image and for the interval light-supplementing system carrying out light filling of capture for described imaging system;
The optical axis of described imaging system and the optical axis of described light-supplementing system are that angle is arranged;
Described light-supplementing system comprise light source, for dodging device that the uniform light of described light source is penetrated and by the emergent ray dichroic reflection by described dodging device to the light-dividing device on the capture interval of described imaging system.
Preferably, described dodging device comprises for making the uniform diffusing panel of the divergence of beam of described light source; Described light-dividing device comprises the spectroscope light penetrated through described diffusing panel being carried out to dichroic reflection;
Described diffusing panel comprises two and relative enters light face and exiting surface, and the light direction of described light source and the light face of entering of described diffusing panel are oppositely arranged;
Described spectroscopical one side is opposing with described imaging system, and this face and described exiting surface are acute angle arranges, with the capture interval reflection of the light will penetrated through described diffusing panel to described imaging system.
Preferably, at least one side entered in light face and exiting surface of described diffusing panel is provided with and can makes the uniform diffusing surface of the divergence of beam of described light source; And/or,
The inside of described diffusing panel is distributed with the particle of the light generation scattering that can make described light source.
Preferably, described light-supplementing system also comprises the lamp plate installed for described light source, and the opposing parallel interval, light face of entering of described lamp plate and described diffusing panel is arranged.
Preferably, the distance between described light source and described diffusing panel is adjustably arranged on described lamp plate.
Preferably, described light source comprises the pointolite entered on relative surface, light face being arranged on described lamp plate and described diffusing panel; Or,
Described light source comprises the multiple pointolites entered on relative surface, light face being distributed in described lamp plate and described diffusing panel.
Preferably, described pointolite is LED, and described LED comprises monochromatic burner; And/or,
Described LED comprises secondary color lamp; And/or,
Described LED comprises infrared lamp or the ultraviolet lamp of waiting to distinguish image for reading stealth.
Preferably, described light-supplementing system also comprises the brightness regulating apparatus for controlling described light-source brightness;
The gauge tap of time ratio that described brightness regulating apparatus comprises unlatching quantity for controlling described multiple pointolite or disconnects for the electric current that controls described pointolite or the unlatching for controlling described pointolite.
Preferably, described imaging system comprises an adjustable imaging system of imaging focal length; And/or,
Described imaging system comprises at least two different imaging systems of imaging focal length.
Preferably, described image recognition device is the image recognition device for identifying bar code or Quick Response Code or stealthy recognition image.
Implement imaging system of the present utility model and light-supplementing system optical axis is the image recognition device that angle is arranged, there is following beneficial effect: in the utility model, the optical axis of imaging system and the optical axis of light-supplementing system are angle, the uniform light sent of light source can be made to be irradiated to the capture interval of imaging system by dodging device and light-dividing device, intensity of illumination that each region of image accepts is suitable to allow treating on capture interval distinguish, light-dividing device can be avoided image recognition device to be mapped in treating on recognition image, allow and treat that the display of recognition image is more clear, contrast is higher, ensure that image recognition device can obtain the image information waiting to distinguish image of better quality, be convenient to realize quick decoding.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
The structural representation of Fig. 1 to be imaging system in the utility model embodiment and light-supplementing system optical axis be image recognition device that angle is arranged;
Fig. 2 is the schematic perspective view of the image recognition device in Fig. 1;
Fig. 3 is the effect schematic diagram of the image to be identified that the image recognition device in Fig. 1 obtains;
Fig. 4 is the effect schematic diagram of the one dimension image to be identified on the shiny surface that obtains of image recognition device in Fig. 1;
Fig. 5 is the schematic perspective view of the image recognition device in background technology;
Fig. 6 is the effect schematic diagram of the image to be identified that the image recognition device in Fig. 5 obtains;
Fig. 7 is the effect schematic diagram of the one dimension image to be identified on the shiny surface that obtains of image recognition device in Fig. 5.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figures 1 to 4, the imaging system in the utility model preferred embodiment and light-supplementing system optical axis be the image recognition device that arranges of angle comprise for obtain wait to distinguish image 1 imaging system 2, for the light-supplementing system 3 that carries out light filling for the capture interval of imaging system 2 and the housing supported imaging system 2 and light-supplementing system 3.Treat that recognition image 1 is generally bar code or Quick Response Code, image recognition device is the image recognition device for identifying bar code or Quick Response Code.
Imaging system 2 comprises an adjustable imaging system 2 of imaging focal length; In other embodiments, imaging system 2 comprises different at least two imaging systems 2 of imaging focal length, in time distinguishing image 1 and be placed on diverse location, all can be imaged system 2 and obtain image information.Certainly, it is different that multiple imaging focal length also can be set, and the imaging system 2 that imaging focal length is adjustable.
Further, the optical axis of light-supplementing system 3 and the optical axis of imaging system 2 are that angle is arranged, and aim in time distinguishing image 1 in imaging system 2, treat that recognition image 1 also will be positioned at the final emergent ray overlay area of light-supplementing system 3, be convenient to obtain high-quality waiting and distinguish bar code image.
Preferably, light-supplementing system 3 comprise light source 31, the lamp plate 32 installed for light source 31, for dodging device 33 that the uniform light of light source 31 is penetrated and by the emergent ray dichroic reflection by dodging device 33 to the light-dividing device 34 on the capture interval of imaging system 2.Dodging device 33 makes the light of light source 31 more even, again after light-dividing device 34 dichroic reflection, make capture interval waits that the environmental light intensity distinguishing image 1 and periphery thereof is evenly distributed, allow to treat that recognition image 1 shows more clear, imaging system 2 will be caused can not to carry out reading code, decoding to image because of the uneven problem of light.
In certain embodiments, dodging device 33 comprises for making the uniform diffusing panel 331 of the divergence of beam of light source 31, and light-dividing device 34 comprises the spectroscope 341 light penetrated through diffusing panel 331 being carried out to dichroic reflection.In other embodiments, the spectroscope 341 of light-dividing device 34 also can be replaced Amici prism.
Diffusing panel 331 comprises two and relative enters light face 3311 and exiting surface 3312, and at least one side entered in light face 3311 and exiting surface 3312 of diffusing panel 331 being provided with and can making the uniform diffusing surface of the divergence of beam of light source 31.Certainly, the particle of the light generation scattering of light source also can be made in the distribution of the inside of diffusing panel 331; Also diffusing surface and diffusing particle can be arranged simultaneously.
Further, the light direction of light source 31 and the light face 3311 of entering of diffusing panel 331 are oppositely arranged, and spectroscope 341 can be arranged on the capture interval of imaging system 2, and the capture interval also can departing from imaging system 2 is arranged.
The one side of spectroscope 341 is opposing with imaging system 2, and this face and exiting surface 3312 are arranged in acute angle, the light energy directive spectroscope 341 allowing diffusing panel 331 penetrate, reflect through the light of diffusing panel 331 to injection to the capture interval of imaging system 2, meanwhile, spectroscope 341 also can prevent imaging system 2 to be mapped on image 1 to be identified.
The injection direction of light and the optical axis coincidence or parallel of imaging system 2 after spectroscope 341 reflects, also can be that angle is arranged with the optical axis of imaging system 2, imaging system 2 can be allowed to aim in time distinguishing image 1, treat that recognition image 1 is just positioned at the final injection light overlay area of light-supplementing system 3.
In other embodiments, when the optical axis of light-supplementing system 3 and the optical axis included angle of imaging system 2 less time, also spectroscope 331 can be cancelled, the image to be identified 1 on capture interval can be covered with the injection light of the diffusing panel 331 that can ensure light-supplementing system 3.
Preferably, the opposing parallel interval, light face 3311 of entering of lamp plate 32 and diffusing panel 331 is arranged, and to make the uniform light between light source 31 to diffusing panel 331 as far as possible, also can reduce taking up room between lamp plate 32 and diffusing panel 331.
In certain embodiments, light source 31 comprises the pointolite entered on relative surface, light face 3311 being arranged on lamp plate 32 and diffusing panel 331; Light source 31 also can comprise the multiple pointolites be distributed on lamp plate 32 surface relative with diffusing panel 331.Pointolite is LED 311, and certainly, pointolite also can be incandescent lamp.When light source 31 only includes a pointolite, the light of LED also can realize uniform light and disperse after diffusing panel 331, allows the uniform light in capture interval of imaging system 2, is beneficial to recognition image decoding.When light source 31 comprises multiple pointolite, multiple LED 311 is arranged by the specific mode such as annular, matrix form, makes the luminescence of light source 31 more even.
Further, LED 311 comprises monochromatic burner, its glow color is configured according to environment for use, LED 311 also can comprise secondary color lamp, corresponding glow color is configured under different environments for use, monochrome waits and secondary color lamp also can be arranged simultaneously, controls its on off state respectively, meets different environment for use demands.
In some special applications, treat that recognition image 1 also can be stealthy recognition image, corresponding, LED 311 also can comprise infrared lamp or the ultraviolet lamp of waiting to distinguish image 1 for reading stealth, and image recognition device then can be used for the image recognition device identifying stealthy recognition image.Certainly, infrared lamp or ultraviolet lamp also can combine with monochromatic burner, secondary color lamp etc. and arrange.
Preferably, distance between light source 31 and diffusing panel 331 is adjustably arranged on lamp plate 32, such as, adjust the distance between light source 31 and diffusing panel 331 by the distance between adjustment lamp plate 32 and diffusing panel 331, or regulate the distance between light source 31 and diffusing panel 331 by the installation site of adjustment light source 31 on lamp plate 32.By regulating the distance between light source 31 and diffusing panel 331, light source 31 can be made to be irradiated to the light intensity of diffusing panel 331 suitable, and then the light intensity that light-supplementing system 3 is finally exported is suitable, makes light distribution more even.
Further, light-supplementing system 3 also comprises the brightness regulating apparatus for controlling light source 31 brightness; Brightness regulating apparatus comprises the gauge tap for controlling the unlatching quantity of multiple pointolite or the electric current for reference mark light source.By regulating the brightness of LED 311, suitable capture brightness can be met, the brightness of LED 311 can be dimmed when environmental light intensity, the brightness of LED 311 can be lightened when surround lighting is weak, make the light in capture process on imaging system 2 capture interval not affected by environment.In other embodiments, the time ratio that the unlatching that gauge tap also can be used for controlling described pointolite disconnects, by controlling the light luminance on time shutter adjustment imaging system 2 capture interval.
Understandably, above-mentioned each technical characteristic can combination in any use and unrestricted.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an imaging system and light-supplementing system optical axis are the image recognition device that angle is arranged, it is characterized in that, comprising for obtaining the imaging system (2) waiting to distinguish image (1) and for the interval light-supplementing system (3) carrying out light filling of capture for described imaging system (2);
The optical axis of described imaging system (2) and the optical axis of described light-supplementing system (3) are that angle is arranged;
Described light-supplementing system (3) comprises light source (31), for the dodging device (33) that makes the uniform light of described light source (31) penetrate and will by the emergent ray dichroic reflection of described dodging device (33) to the light-dividing device (34) on the capture interval of described imaging system (2).
2. imaging system according to claim 1 and light-supplementing system optical axis are the image recognition device that angle is arranged, and it is characterized in that, described dodging device (33) comprises the uniform diffusing panel of divergence of beam (331) for making described light source (31); Described light-dividing device (34) comprises the spectroscope (341) light penetrated through described diffusing panel (331) being carried out to dichroic reflection;
Described diffusing panel (331) comprises two and relative enters light face (3311) and exiting surface (3312), and the light direction of described light source (31) and the light face (3311) of entering of described diffusing panel (331) are oppositely arranged;
The one side of described spectroscope (341) is opposing with described imaging system (2), and this face and described exiting surface (3312) are arranged in acute angle, with the capture interval reflection of the light that will penetrate through described diffusing panel (331) to described imaging system (2).
3. imaging system according to claim 2 and light-supplementing system optical axis are the image recognition device that angle is arranged, it is characterized in that, at least one side entered in light face (3311) and exiting surface (3312) of described diffusing panel (331) is provided with the uniform diffusing surface of divergence of beam that can make described light source (31); And/or,
The inside of described diffusing panel (331) is distributed with the particle of the light generation scattering that can make described light source.
4. imaging system according to claim 3 and light-supplementing system optical axis are the image recognition device that angle is arranged, it is characterized in that, described light-supplementing system (3) also comprises the lamp plate (32) installed for described light source (31), and light face (3311) the opposing parallel interval of entering of described lamp plate (32) and described diffusing panel (331) is arranged.
5. imaging system according to claim 4 and light-supplementing system optical axis are the image recognition device that angle is arranged, and it is characterized in that, the distance between described light source (31) and described diffusing panel (331) is adjustably arranged on described lamp plate (32).
6. imaging system according to claim 4 and light-supplementing system optical axis are the image recognition device that angle is arranged, it is characterized in that, described light source (31) comprises the pointolite entered on relative surface, light face (3311) being arranged on described lamp plate (32) and described diffusing panel (331); Or,
Described light source (31) comprises the multiple pointolites entered on relative surface, light face (3311) being distributed in described lamp plate (32) and described diffusing panel (331).
7. imaging system according to claim 6 and light-supplementing system optical axis are the image recognition device that angle is arranged, and it is characterized in that, described pointolite is LED (311), and described LED (311) comprises monochromatic burner; And/or,
Described LED (311) comprises secondary color lamp; And/or,
Described LED (311) comprises infrared lamp or the ultraviolet lamp of waiting to distinguish image (1) for reading stealth.
8. imaging system according to claim 6 and light-supplementing system optical axis are the image recognition device that angle is arranged, and it is characterized in that, described light-supplementing system (3) also comprises the brightness regulating apparatus for controlling described light source (31) brightness;
The gauge tap of time ratio that described brightness regulating apparatus comprises unlatching quantity for controlling described multiple pointolite or disconnects for the electric current that controls described pointolite or the unlatching for controlling described pointolite.
9. the imaging system according to any one of claim 1 to 8 and light-supplementing system optical axis are the image recognition device that angle is arranged, and it is characterized in that, described imaging system (2) comprises an adjustable imaging system (2) of imaging focal length; And/or,
Described imaging system (2) comprises different at least two imaging systems (2) of imaging focal length.
10. the imaging system according to any one of claim 1 to 8 and light-supplementing system optical axis are the image recognition device that angle is arranged, and it is characterized in that, described image recognition device is the image recognition device for identifying bar code or Quick Response Code or stealthy recognition image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550995.9U CN205080559U (en) | 2015-07-27 | 2015-07-27 | Imaging system is image recognition equipment that contained angle set up with grow light system optical axis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520550995.9U CN205080559U (en) | 2015-07-27 | 2015-07-27 | Imaging system is image recognition equipment that contained angle set up with grow light system optical axis |
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| CN205080559U true CN205080559U (en) | 2016-03-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107122695A (en) * | 2017-06-16 | 2017-09-01 | 北京鼎九信息工程研究院有限公司 | A kind of image scanning apparatus |
| WO2021016759A1 (en) * | 2019-07-26 | 2021-02-04 | 深圳市民德电子科技股份有限公司 | Image reading device |
-
2015
- 2015-07-27 CN CN201520550995.9U patent/CN205080559U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN107122695A (en) * | 2017-06-16 | 2017-09-01 | 北京鼎九信息工程研究院有限公司 | A kind of image scanning apparatus |
| CN107122695B (en) * | 2017-06-16 | 2023-08-11 | 北京鼎九信息工程研究院有限公司 | Image scanning equipment |
| WO2021016759A1 (en) * | 2019-07-26 | 2021-02-04 | 深圳市民德电子科技股份有限公司 | Image reading device |
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Granted publication date: 20160309 Effective date of abandoning: 20180116 |
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| AV01 | Patent right actively abandoned |