CN101887508A - Image and barcode reading module and application device with same - Google Patents
Image and barcode reading module and application device with same Download PDFInfo
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- CN101887508A CN101887508A CN2009102623580A CN200910262358A CN101887508A CN 101887508 A CN101887508 A CN 101887508A CN 2009102623580 A CN2009102623580 A CN 2009102623580A CN 200910262358 A CN200910262358 A CN 200910262358A CN 101887508 A CN101887508 A CN 101887508A
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- code reading
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Abstract
The invention provides an image and barcode reading module and an application device with the same. The image and barcode reading module comprises a support, a lens module installed in the support, lenses arranged in the lens module, a photosensitive chip matched with the lens module to acquire images and at least a light source installed in the support, wherein the support is also provided with at least a slit part inside; the slit part is provided with a slit; and the rays from the light source are projected on the target by transmitting the slit. Compared with the prior art, the invention has the beneficial effects of low cost and high focusing precision.
Description
Technical field
The present invention relates to a kind of image and bar code reading module and application apparatus thereof, relate in particular to a kind of image and bar code reading module and application apparatus thereof with improved Focusing mechanism.
Background technology
Image and bar code reading module and application apparatus thereof, be generally used for shopping environment such as supermarket or sales field, by using this bar code reading module and application apparatus thereof, can distinguish the bar code that identifies on the product or two dimensional image etc. easily, promptly to obtain and information such as the corresponding title of this product, price.The development of image and bar code reading module and application apparatus thereof brings people considerable convenience.Such as declare dutiable goods, commodity indicate, logistics management, and identity identifications etc. all can utilize it to raise the efficiency.
Image and bar code reading module have usually a branch of illumination are mapped to the image that read or the light source on the bar code, use photodetector to come the light of sensing then from the bar code reflection, produce opto-electronic conversion and produce electric signal, be converted into the set of number signal through the machine compiling again, information contrast in this group digital signal and the database just can identify the article of image or bar code representative and concrete information thereof.Usually light source can be generating laser or light emitting diode, and photodetector can be CCD photo-sensitive cell or CMOS photo-sensitive cell etc.Because the focal length of the optical system of image and bar code reading module has determined its recognition distance,, therefore when the light source irradiation bar code, need to focus in order to strengthen recognition efficiency.The general lens that use focus on light beam on the bar code.
The element that adopts the lens focus light beam to need is more, causes cost higher, also often causes the trouble of manufacturing and fit on; And, adopt lens focus also can bring the precision of image and bar code reading module limited.
The application apparatus of image and bar code reading module is except being provided with image and bar code reading module in inside, also comprise the decoding of decoding circuit plate, in order to photosignal is reduced into can offer main frame need bar code or pictorial information, and bar code or pictorial information reached main frame, after main frame receives this bar code or image information, the product information that is complementary by application queries database and this image and bar code, as information such as the price of product, images, and feed back to image and bar code reading and feedback assembly.
Summary of the invention
At the deficiencies in the prior art, the object of the invention is to provide a kind of image and bar code reading module and application apparatus thereof with low cost, high-precision Focusing mechanism.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of image and bar code reading module, comprise a support, be installed on the interior lens assembly of described support, be arranged at the eyeglass in the described lens assembly, the sensitive chip of the described lens assembly images acquired of a cooperation, and be installed at least one light source in the described support, also be provided with at least one slit spare in the described support, slit spare is provided with a slit, and described light source sees through described slit with on the target of ray cast outside support.
Further, described slit spare is one-body molded with support.
Further, described slit spare is connected in the interior card seam of support.
Further, described sensitive chip is ccd sensor or cmos sensor.
Further, described slit roughly is long and narrow rectangle or oblong.
Further, comprise two light sources and two slit spares that match one to one respectively with two light sources.
Further, described lens assembly is arranged between two light sources.
Further, described slit spare forms the slit of printing opacity in the mode of perforate, or the mode that embeds Transparent Parts forms the slit of printing opacity.
The application apparatus of a kind of image and bar code reading module, comprise that one is used for the recognition window of images acquired and bar code, be located at the key control unit in described image and bar code reading and the feedback assembly, the power supply module of electric power is provided for described key control unit, and the image and bar code reading module and the decoding circuit plate that are used to carry out image and bar code reading, described image and bar code reading module comprise a support and are installed at least one interior light source of described support, it is characterized in that: also be provided with at least one slit spare in the described support, slit spare is provided with a slit, described light source see through described slit with ray cast on target.
Further, described bar code reading module electrically connects described key control unit removably.
Compared with prior art, the invention has the beneficial effects as follows: adopted slit to focus, the installation manufacturing cost is lower, and the focusing precision is higher.
Description of drawings
Fig. 1 is the image of expression first embodiment of the present invention and the stereographic map of bar code reading module.
Fig. 2 is the image of expression first embodiment of the present invention and the exploded view of bar code reading module.
Fig. 3 is the slit arrangement synoptic diagram of expression first embodiment of the present invention.
Fig. 4 is the image of expression second embodiment of the present invention and the stereographic map of bar code reading module.
Fig. 5 is the image of expression second embodiment of the present invention and the exploded view of bar code reading module.
Fig. 6 is the module map of the application apparatus of expression image of the present invention and bar code reading module
10 images and bar code reading module 50 images and bar code reading module 104GPRS wireless module
12 lens assemblies, 52 lens assemblies, 105 Liquid Crystal Modules
121 camera aperture, 54 support 106POE modules
14 supports, 541 upper brackets, 107 power modules
141 fore-stocks, 543 lower carriage 108USB hubs
142 middlewares, 56 light sources, 109 debugging interfaces
143 after-poppets, 57 slit spares, 1071 power interfaces
16 light sources, 58 slits, 1081 bluetooth modules
161 light source hole 101CPU core boards, 1083 mixed-media network modules mixed-medias
163 cylinder 102GPIO modules
18 slit 103RFID modules
Embodiment
Describe with the mode of example embodiment with reference to the accompanying drawings this programme.
As shown in Figures 1 and 2, image and bar-code identification module 10 comprise the support 14 as main part, and support 14 is by fore-stock 141, and middleware 142, after-poppet 143 are folded mutually successively to combine, and they are mounted to as a whole by the screw bolt structure that matches.
The both sides of the front console of after-poppet 143 are respectively equipped with a light source 16, and light source 16 can be light emitting diode, also can be laser beam emitting device.Light is launched in acting as towards image to be scanned or bar code of light source 16.The centre of two light sources 16 is provided with circular port, to hold the processus aboralis part of the lens assembly of being located on the middleware 142 12.
Middleware 142 which is provided with lens assembly 12 between after-poppet 143 and fore-stock 141, lens assembly 12 roughly is tubular, and the front and back end divides quilt to extend to fore-stock 141 1 sides and after-poppet 143 1 sides, and eyeglass (figure does not show) wherein is installed.The irradiate light that light source 16 sends reflexes to lens assembly 12 behind image or bar code, project the sensitive chip of being located in the support 14 after being focused on by eyeglass, via sensitive chip light signal is converted into electrical signal transfer and goes out.The both sides of the lens assembly 12 of middleware 142 also are respectively equipped with the cylinder 163 of the hollow that matches with two light sources 16.
The rear and front end of fore-stock 141 be equipped with middleware 142 on lens assembly 12 and three circular holes matching of cylinder 163 size shape, camera aperture 121 in the middle of being respectively and two light source holes 161 of both sides, they hold being arranged in the fore-stock 141 that lens assembly 12 and cylinder 163 penetrate, penetrate image and bar code reading module 10 arrival image or bar codes with the light that allows light source 16 emissions, lens assembly 12 receives from the light of image or bar code reflected back.
With reference to Fig. 3, the bottom of two cylinders 163 and middleware 142 are structure as a whole, and all have a slit 18, form a slit spare.The light of light source 16 is through 18 pairs of defocused targets that are transmitted into of slit, promptly on image or the bar code.Slit is a lateral arrangement.In the present embodiment, slit 18 is a long and narrow rectangle basically.But optionally, slit 18 needn't have extra high length breadth ratio, and slit 18 must not have parallel side yet, and its edge also can omit bending, and integral body is the oblong of American football shape; Importantly, it should be narrower in the place that the major part of the light of light source 16 is passed through.Optionally, slit 18 needn't necessarily be arranged as a hole, also can and form by transparent material embedding slit spare, importantly its light transmission.
Below with reference to Fig. 4, Fig. 5 second embodiment of the present invention is described.
Image and bar code reading module 50 comprise the support 54 as main part, and support 54 combines by upper bracket 541 and lower carriage 543 are folded mutually up and down, and they are mounted to as a whole by the screw bolt structure that matches.
Respectively be furnished with a light source 56 about between upper bracket 541 and the lower carriage 543, light source 56 can be light emitting diode, also can be laser beam emitting device.Light is launched in acting as towards image to be scanned or bar code of light source 56.
Between upper bracket 541 and the lower carriage 543, also be provided with a slit spare 57 separately in the anterior position of two light sources 56, slit spare 57 is an independent part, and the mode by engaging is connected to the card that forms between upper bracket 541 and the lower carriage 543 and sews on.Each slit spare 57 is provided with slit 58.Slit is a lateral arrangement.Similar with first embodiment, in the present embodiment, slit 58 is a long and narrow rectangle basically.But optionally, slit 58 needn't have extra high length breadth ratio, and slit 58 must not have parallel side yet, and its edge also can omit bending, and integral body is American football shape; Importantly, it should be narrower in the place that the major part of the light of light source 56 is passed through.Optionally, slit 58 needn't necessarily be arranged as a hole, also can and form by transparent material embedding slit spare 57, importantly its light transmission.
Be provided with lens assembly 52 between two light sources 56.
The front end of upper bracket 541 and lower carriage 543 is in conjunction with the front console that forms image and bar code reading module 50, similar first embodiment, this panel has for the light transmission part of light source 56 emission light with for the light transmission part of lens assembly 52 receptions from the light of image or bar code reflection.
Below in conjunction with Fig. 6, the application apparatus of image of the present invention and bar code reading module is described.
In best mode for carrying out the invention, in the application apparatus of described image and bar code reading module, comprise the core cpu plate 101 that carries out core control, with described core cpu plate 101 electrically connect and can receive the product information of these core cpu plate 101 outputs Liquid Crystal Module 105, electrically connect and can be the POE module 106 that this core cpu plate 101 provides electric power removably with described core cpu plate 101, and another power module 107 and power interface 1071 that electrically connects described core cpu plate 101 and can be 101 power supplies of core cpu plate.Described core cpu plate 101 also electrically connects RFID module 103, GPRS wireless module 104 removably, with functional modules such as GPIO modules 102, and can with these functional module interactive communications, simultaneously, these functional modules all can be provided driving electric and be controlled its fill order by this core cpu plate 101.Described image and bar code reading and feedback assembly 10 also comprise a debugging interface 109 that electrically connects with described core cpu plate 101, and the user can be by the described debugging interface 109 debugging described core cpu plates 101 of configuration and other functional modules that electrically connect described core cpu plate 101.
Wherein, described Liquid Crystal Module 105 is used to instruct the client to operate and shows Query Result; Described POE module 106 can be given described core cpu plate 101 power supplies by the physical network line; Described power interface 1071 can connect outside power supply adaptor, preferably, this power supply adaptor can be imported the electric power of 12V voltages to this power interface 1071, but the power conversions of described power module 107 these 12V voltages is described image and bar code reading and feedback assembly 10 needed 5V and 3.3V voltage; Described this core cpu plate 101 also is electrically connected with an expansion hub, described expansion hub is used to further expand this core cpu plate 101 functions, in best mode for carrying out the invention, described expansion hub is a usb hub 108, its can further removably electrically connect can with the bluetooth module 1081 of external unit communication, mixed-media network modules mixed-media 1083, and be described bluetooth module 1081, mixed-media network modules mixed-media 1083 provides driving electric, described mixed-media network modules mixed-media 1083 can be the cable network module with RJ45 port, also can be wireless network module with WIFI function, in best mode for carrying out the invention, described mixed-media network modules mixed-media 1083 is the wireless network modules with WIFI function.In addition, described usb hub 108 also electrically connects image and the bar code reading module 10 that is useful on recognition image and bar code information removably, and provide driving electric for this image and bar code reading module 10, described image and bar code reading module 10 detachables are in described usb hub 108, preferably, the setting that can become one of image and bar code reading module 10 and decoding circuit plate makes that with it application apparatus of described image and bar code reading module is more simplified, volume is more small and exquisite.Described GPIO module 102 has the interactive signal of two-way input and two-way output, is used for devices such as gate inhibition, pilot lamp, hummer; Described RFID module 103 is applied to the contactless high integration IC-card read-write of 13.56MHz and uses; Described GPRS wireless module 104 can carry out communication by the GPRS mode and the external world.What deserves to be mentioned is: above-mentioned RFID module 103, GPRS wireless module 104, mixed-media network modules mixed-media 1083, bluetooth module 1081 can be referred to as the communication module group of the application apparatus of image of the present invention and bar code reading module.
When the application apparatus that uses image and bar code reading module scans bar code or two dimensional image, the client is according to the prompting of Liquid Crystal Module 105, bar code to be checked or the image recognition window by the application apparatus of image and bar code reading module is read in, be sent to after the image that is provided with by inside and the processing of bar code reading module 10 be reduced into after 111 decodings of decoding circuit plate can offer main frame need bar code or image information.After main frame receives this bar code or image information, the product information that is complementary by application queries database and this image and bar code, as information such as the price of product, images, and feeding back to the application apparatus of image and bar code reading module, the application apparatus of this image and bar code reading module can show Query Result on Liquid Crystal Module 105.
Certainly, it also is feasible using image and bar code reading module 50 in the application apparatus of image and bar code reading module.
Certainly, be a kind of application mode of the application apparatus of image of the present invention and bar code reading module more than, it can also be applied in hand-held optical reader, pedestal formula optical reader etc.
Although be the example purpose, preferred implementation of the present invention is disclosed, but those of ordinary skill in the art will recognize that under situation about not breaking away from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. image and bar code reading module, comprise a support, be installed on the interior lens assembly of described support, be arranged at the eyeglass in the described lens assembly, the sensitive chip of the described lens assembly images acquired of a cooperation, and be installed at least one light source in the described support, it is characterized in that: also be provided with at least one slit spare in the described support, slit spare is provided with a slit, and described light source sees through described slit with on the target of ray cast outside support.
2. image described in claim 1 and bar code reading module is characterized in that: described slit spare is one-body molded with support.
3. image described in claim 1 and bar code reading module is characterized in that: described slit spare is connected in the card seam in the support.
4. image described in claim 1 and bar code reading module, it is characterized in that: described sensitive chip is ccd sensor or cmos sensor.
5. image described in claim 1 and bar code reading module, it is characterized in that: described slit roughly is long and narrow rectangle or oblong.
6. image described in claim 1 and bar code reading module is characterized in that: comprise two light sources and two slit spares that match one to one respectively with two light sources.
7. image described in claim 6 and bar code reading module, it is characterized in that: described lens assembly is arranged between two light sources.
8. image described in claim 1 and bar code reading module is characterized in that: described slit spare forms the slit of printing opacity in the mode of perforate, or the mode that embeds Transparent Parts forms the slit of printing opacity.
9. the application apparatus of image and bar code reading module, comprise that one is used for the recognition window of images acquired and bar code, be located at the key control unit in described image and bar code reading and the feedback assembly, the power supply module of electric power is provided for described key control unit, and the image and bar code reading module and the decoding circuit plate that are used to carry out image and bar code reading, described image and bar code reading module comprise a support and are installed at least one interior light source of described support, it is characterized in that: also be provided with at least one slit spare in the described support, slit spare is provided with a slit, described light source see through described slit with ray cast on target.
10. image described in claim 9 and bar code reading and feedback assembly is characterized in that, described bar code reading module electrically connects described key control unit removably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102623580A CN101887508A (en) | 2009-12-16 | 2009-12-16 | Image and barcode reading module and application device with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102623580A CN101887508A (en) | 2009-12-16 | 2009-12-16 | Image and barcode reading module and application device with same |
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| Publication Number | Publication Date |
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| CN101887508A true CN101887508A (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102623580A Pending CN101887508A (en) | 2009-12-16 | 2009-12-16 | Image and barcode reading module and application device with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066982A (en) * | 2016-07-10 | 2016-11-02 | 苏州摩比力特电子科技有限公司 | Linear code based on cmos sensor reads module and motion scan terminal |
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2009
- 2009-12-16 CN CN2009102623580A patent/CN101887508A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066982A (en) * | 2016-07-10 | 2016-11-02 | 苏州摩比力特电子科技有限公司 | Linear code based on cmos sensor reads module and motion scan terminal |
| CN106066982B (en) * | 2016-07-10 | 2019-04-26 | 苏州摩比信通智能系统有限公司 | Linear code based on cmos sensor reads mould group and motion scan terminal |
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Application publication date: 20101117 |