CN203630791U - Image identification equipment - Google Patents
Image identification equipment Download PDFInfo
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- CN203630791U CN203630791U CN201320839260.9U CN201320839260U CN203630791U CN 203630791 U CN203630791 U CN 203630791U CN 201320839260 U CN201320839260 U CN 201320839260U CN 203630791 U CN203630791 U CN 203630791U
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- light
- light source
- recognition apparatus
- scattering sheet
- image recognition
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Abstract
The utility model relates to image identification equipment. The image identification equipment comprises an imaging system, a supporting member for supporting the imaging system, and a compensation light source assembly arranged on the supporting member, and an included angle between the irradiation direction of the compensation light source assembly and the acquisition direction of the imaging system is more than 0 degree and less than 90 degrees so that lights emitted by the compensation light source assembly obliquely irradiate to to-be-identified images within a range of an angle of visual field A of the imaging system. According to the image identification equipment, the irradiation direction of the compensation light source assembly and the acquisition direction of the imaging system are arranged with the included angle, and the compensation lights obliquely irradiate to the to-be-identified images so that the interference of reflected lights of the lights irradiated to the to-be-identified images with the imaging effect of the imaging system is reduced, the imaging quality is improved, and the information acquisition of the image identification equipment is more rapid and accurate.
Description
Technical field
The utility model relates to a kind of image recognition apparatus.
Background technology
As shown in Figures 4 and 5, the image recognition apparatus in correlation technique is that the bar code photographing is waited for to recognition image 40 information, feeds back on sensitive chip through optical imaging system 10, by a series of opto-electronic conversion, thereby then processes and completes decoding through software.Its compensatory light 30 ' in the time taking is normally gone out along the collection direction direct irradiation of imaging system 10, be subject to the vertical reflection impact of light, be irradiated to the inhomogeneous of image 40 light to be identified, meeting cause showing unintelligible in defects such as the surface of image 40 to be identified generation specks, the imaging effect of imaging system 10 is caused to interference.
Utility model content
The technical problems to be solved in the utility model is, a kind of improved image recognition apparatus is provided.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of image recognition apparatus, the support member that comprises imaging system and described imaging system is supported, this image recognition apparatus also comprises the compensatory light assembly being arranged on described support member;
Angle between the collection direction of the direction of illumination of described compensatory light assembly and described imaging system is greater than 0 degree and is less than 90 degree, so that on the oblique image to be identified being irradiated within the scope of described imaging system field angle A of the light that compensatory light assembly sends.
Preferably, described compensatory light assembly comprise light source and be arranged on described light source and described image to be identified between scattering sheet, described scattering sheet is the light penetrating object that can make the light of described light source evenly penetrate.
Preferably, at least one side of described scattering sheet is provided with the lines that can make light evenly penetrate; Or the inside of described scattering sheet is provided with the texture that can make light evenly penetrate; Or be provided with and can make the even lines penetrating of light and be provided with the texture that can make light evenly penetrate in the inside of described scattering sheet at least one side of described scattering sheet simultaneously.
Preferably, described scattering sheet is the light penetrating object of being made up of glass or plastics.
Preferably, the surface configuration of described scattering sheet is plane or curved surface.
Preferably, described light source comprises at least one LED lamp.
Preferably, described light source is red light LED lamp.
Preferably, described compensatory light assembly also comprises light reflection that described light source is diffused to the side light guide piece to described scattering sheet.
Preferably, described light guide piece is trumpet-shaped reflecting body, and the medial surface of described reflecting body is the reflecting surface that the light of described light source is reflected, and described light source is located at the osculum end of described reflecting body, and described scattering sheet is located at the big opening end of described reflecting body.
Preferably, described compensatory light assembly is arranged on described support member rotationally.
Implement image recognition apparatus of the present utility model, there is following beneficial effect: by the optical axis of optical lens in the direction of illumination of the compensatory light structure in the utility model and imaging system is to angle setting, make to compensate that light is oblique is irradiated on image to be identified, thereby the interference of effectively avoiding direct projection to the reflected light of the light of image to be identified, the imaging effect of imaging system to be caused, makes the image acquisition of image recognition apparatus more accurate.
Meanwhile, the scattering sheet arranging on direction of illumination is dispersed light uniformly, guarantees that the brightness in each region on image to be identified is consistent, thereby has improved the image quality of imaging system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the image recognition apparatus in the utility model embodiment;
Fig. 2 is the use view of image recognition apparatus in Fig. 1;
Fig. 3 is the display effect schematic diagram of the image to be identified that gathers under compensatory light in Fig. 2;
Fig. 4 is the compensatory light application schematic diagram of the image recognition apparatus in background technology;
Fig. 5 is the display effect schematic diagram of the image to be identified that gathers under compensatory light in Fig. 4.
Embodiment
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, the image recognition apparatus in preferred embodiment of the utility model comprise imaging system 10, support member 20 that imaging system 10 is supported and be arranged on the compensatory light assembly 30 on support member 20.
In certain embodiments, compensatory light assembly 30 comprises light source 31, is arranged on the scattering sheet 32 between light source 31 and image to be identified 40 and light source 31 is diffused to the light reflection of side to the light guide piece 33 of scattering sheet 32.
The quantity of LED lamp can arrange according to the size of image 40 to be identified, so that enough strong light to be provided.In other embodiments, light source 31 also can be the lighting devices such as daylight lamp.
As shown in Figures 2 and 3, included angle B between the collection direction of the direction of illumination of compensatory light assembly 30 and imaging system 10 is greater than 0 degree and is less than 90 degree, so that on the oblique image to be identified 40 being irradiated within the scope of imaging system 10 field angle A of the light that compensatory light assembly 30 sends, avoid direct projection to be reflected the rear imaging to imaging system 10 to the light of image 40 to be identified and cause interference, thereby allow imaging system 10 obtain image 40 to be identified clearly.It should be noted that, in the utility model, the collection direction of imaging system 10 is defined as the direction of pointing to window 21 along the optical axis of optical lens in imaging system.
Scattering sheet 32 light penetrating object for making the light of light source 31 evenly penetrate, it can be the light penetrating object that glass or plastic material are made, and surface configuration can be plane or curved surface.In at least one side of scattering sheet 32, be provided with the lines that can make light evenly penetrate.Understandably, in other embodiments, the texture that can make light evenly penetrate also can be set in the inside of scattering sheet 32, or lines be set on the surface of scattering sheet 32 and in the inside of scattering sheet 32, texture be set, to reach the effect that light is evenly penetrated simultaneously.
Preferably, light guide piece 33 is trumpet-shaped reflecting body, and light source 31 is located at the osculum end of reflecting body, and scattering sheet 32 is located at the big opening end of reflecting body.The medial surface of reflecting body is to diffuse to the reflecting surface that the light of side reflects to light source 31, reflecting surface is relative with scattering sheet 32 with light source 31 arrives scattering sheet 32 with the light reflection that light source 31 is irradiated to reflecting surface, be transmitted on image 40 to be identified by scattering sheet 32, light source affords redress again.
Understandably, in other embodiments, reflecting body also can be assembled by some reflecting plates, or the device that other can reflect to scattering sheet 32 light of light source 31, by the reflecting surface that is located at its side relative with scattering sheet 32 with light source 31, light is reflected, and gone out by scattering sheet 32 transmissions.
In certain embodiments, compensatory light assembly 30 is arranged on support member 20 rotationally, to regulate the included angle B between the direction of illumination of light source 31 and the collection direction of imaging system 10.Can obtain thus treating the different incidence angles degree that recognition image 40 irradiates, thereby obtain suitable brightness of illumination, obtain the image of image 40 to be identified more clearly, facilitate imaging system 10 to treat recognition image 40 and carry out information acquisition.
Understandably, above-mentioned each technical characterictic can combination in any uses and unrestricted.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; 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 image recognition apparatus, the support member (20) that comprises imaging system (10) and described imaging system (10) is supported, is characterized in that, this image recognition apparatus also comprises the compensatory light assembly (30) being arranged on described support member (20);
Angle between the collection direction of the direction of illumination of described compensatory light assembly (30) and described imaging system (10) is greater than 0 degree and is less than 90 degree, so that on the oblique image to be identified (40) being irradiated within the scope of described imaging system (10) field angle A of the light that compensatory light assembly (30) sends.
2. image recognition apparatus according to claim 1, it is characterized in that, described compensatory light assembly (30) comprise light source (31) and be arranged on described light source (31) and described image to be identified (40) between scattering sheet (32), the light penetrating object of described scattering sheet (32) for making the light of described light source (31) evenly penetrate.
3. image recognition apparatus according to claim 2, is characterized in that, at least one side of described scattering sheet (32) is provided with the lines that can make light evenly penetrate; Or the inside of described scattering sheet (32) is provided with the texture that can make light evenly penetrate; Or be provided with and can make the even lines penetrating of light and be provided with the texture that can make light evenly penetrate in the inside of described scattering sheet (32) at least one side of described scattering sheet (32) simultaneously.
4. image recognition apparatus according to claim 2, is characterized in that, the light penetrating object of described scattering sheet (32) for being made up of glass or plastics.
5. image recognition apparatus according to claim 4, is characterized in that, the surface configuration of described scattering sheet (32) is plane or curved surface.
6. image recognition apparatus according to claim 2, is characterized in that, described light source (31) comprises at least one LED lamp.
7. image recognition apparatus according to claim 6, is characterized in that, described light source (31) is red light LED lamp.
8. according to the image recognition apparatus described in claim 2 to 7 any one, it is characterized in that, described compensatory light assembly (30) also comprises light reflection that described light source (31) is diffused to the side light guide piece (33) to described scattering sheet (32).
9. image recognition apparatus according to claim 8, it is characterized in that, described light guide piece (33) is trumpet-shaped reflecting body, the reflecting surface of the medial surface of described reflecting body for the light of described light source (31) is reflected, described light source (31) is located at the osculum end of described reflecting body, and described scattering sheet (32) is located at the big opening end of described reflecting body.
10. image recognition apparatus according to claim 9, is characterized in that, described compensatory light assembly (30) is arranged on described support member (20) rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839260.9U CN203630791U (en) | 2013-12-18 | 2013-12-18 | Image identification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839260.9U CN203630791U (en) | 2013-12-18 | 2013-12-18 | Image identification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630791U true CN203630791U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839260.9U Expired - Fee Related CN203630791U (en) | 2013-12-18 | 2013-12-18 | Image identification equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105933618A (en) * | 2016-06-07 | 2016-09-07 | 深圳市金立通信设备有限公司 | Photographing method and system, and devices |
| CN105933619A (en) * | 2016-06-16 | 2016-09-07 | 深圳市金立通信设备有限公司 | Photographing method, device and 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 |
| CN108366179A (en) * | 2018-01-18 | 2018-08-03 | 深圳市新良田科技股份有限公司 | It can abundant and relatively uniform light filling high photographing instrument |
| CN109190440A (en) * | 2018-10-31 | 2019-01-11 | 深圳市民德电子科技股份有限公司 | Image recognition device with large angle illumination structure |
| CN109241804A (en) * | 2018-10-19 | 2019-01-18 | 深圳市民德电子科技股份有限公司 | Image recognition device with low angle illumination |
-
2013
- 2013-12-18 CN CN201320839260.9U patent/CN203630791U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105933618A (en) * | 2016-06-07 | 2016-09-07 | 深圳市金立通信设备有限公司 | Photographing method and system, and devices |
| CN105933619A (en) * | 2016-06-16 | 2016-09-07 | 深圳市金立通信设备有限公司 | Photographing method, device and 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 |
| 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 |
| CN108366179A (en) * | 2018-01-18 | 2018-08-03 | 深圳市新良田科技股份有限公司 | It can abundant and relatively uniform light filling high photographing instrument |
| CN109241804A (en) * | 2018-10-19 | 2019-01-18 | 深圳市民德电子科技股份有限公司 | Image recognition device with low angle illumination |
| CN109190440A (en) * | 2018-10-31 | 2019-01-11 | 深圳市民德电子科技股份有限公司 | Image recognition device with large angle illumination structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN MINDE ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN MINDE ELECTRONICS TECHNOLOGY LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 Guangdong Province, Nanshan District high tech Zone, Central Industrial Park, industrial park, building 1, paragraph 5, layer (1) No. 25 () Patentee after: Mores electronics technology incorporated company of Shenzhen Address before: 518057 Guangdong Province, Nanshan District high tech Zone, Central Industrial Park, industrial park, building 1, paragraph 5, layer (1) No. 25 () Patentee before: Shenzhen Minde Electronics Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |