CN201540578U - Image and bar recognition module and application device thereof - Google Patents
Image and bar recognition module and application device thereof Download PDFInfo
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- CN201540578U CN201540578U CN2009202131670U CN200920213167U CN201540578U CN 201540578 U CN201540578 U CN 201540578U CN 2009202131670 U CN2009202131670 U CN 2009202131670U CN 200920213167 U CN200920213167 U CN 200920213167U CN 201540578 U CN201540578 U CN 201540578U
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- bar code
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Images
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Abstract
The utility model provides an image and bar recognition module which comprises a mounting support, a camera lens which is assembled to the mounting support and is capable of collecting images or bars, a circuit board equipped with an image sensor receiving and processing the images or the bars collected by the camera lens, a front support, and a light source assembly which is assembled to the front support and is capable of lightening and focusing the images or the bars, wherein the mounting support is provided with either a buckling part or a buckling space; and the front support is provided with either a buckling space or a buckling part and matched with the mounting support in a buckling manner. The utility model further provides an application device with the image and bar recognition module. Compared with the prior art, the utility model has the benefits that the assembly accuracy is improved, the assembly error is reduced, and the structure is simplified.
Description
Technical field
The utility model relates to a kind of image and bar code reading module and application apparatus thereof, particularly relates to a kind of image and bar code reading module and application apparatus thereof that is used for optical reading.
Background technology
Bar code scanner now generally is used in each goods sales field, supermarket, to be used for handling efficiently the commodity that item number or price are encoded with the bar coding mode.The principle of operation of relevant bar code scanner has been found in many prior aries, for example: No. 5,932,860, No. 179959 Taiwan patents of bulletin number, U.S. Pat.Bar code scanner generally includes shell and accommodates in the enclosure mainboard.Mainboard is provided with various circuit modules and realizes the bar code scan function jointly, for example instruct the client to operate and show the Liquid Crystal Module of Query Result, the POE module by physical network line power supply, with the 12V voltage transitions of adapter be the USB-HUB interface module, bar code reading module of power module, the expansion mainboard of the 5V that uses of system and 3.3V, the input of using for pilot lamp, hummer, the GPIO module of exporting interactive signal etc.
In bar code scanner, bar code reading module is unusual important components.Usually, the ultimate principle of bar code scanner is to make light source irradiation (be not limited only to bar code to bar code, also comprise any image that can be distinguished) after, reflected light drops on the sensing element via light channel structure, (can reflect by the blank gap that arrives because the light that shines the black bar code can be absorbed between two adjacent bar codes with the incident light intensity for sensing element, like this along with the difference of light source irradiation position, then also variation thereupon of incident light intensity) converts different simulating signals to, be processed into digital signal output through analog/digital converter again, and this digital signal exports demoder to when converting bar code information to, promptly finishes bar code scan.
At present, bar code reading module comprises support, at least one circuit board, light source bracket and photoconduction leading-in device etc.Imageing sensor, led light source, decoding circuit etc. are installed on the identical or different circuit boards.Then each assembly mutually assembling become bar code reading module, each assembly after must needing retaining element to assemble is fixed.United States Patent (USP) 7,270 has disclosed the structure of using the copper post that each assembly is fixed as one for No. 274.Yet, because the copper post is extra element, can increases cost and make complexity, also can cause rigging error, influence service precision.Therefore, need improve at adopting which kind of structure to fix each assembly, structure is simpler to provide, the more reliable bar code reading module of assembling.
The utility model content
At the deficiencies in the prior art, the technical matters that the utility model solves provides a kind of simple in structure, reliable image of assembling and bar code reading module.
The utility model also provides a kind of application apparatus with above-mentioned image and bar code reading module.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that
A kind of image and bar code reading module, but it comprise mounting bracket, be assembled to mounting bracket images acquired or bar code camera lens, be assembled with the image that receives the camera lens collection or bar code and circuit board, the fore-stock of the imageing sensor handled and be assembled in that fore-stock can illuminate and focus image or bar code light source assembly.Described mounting bracket has holding part or button is held one of space, and described fore-stock has to buckle holds being clasped with mounting bracket in the lump of space or holding part.
Further, described fore-stock is a light source board, the installation that is clasped of itself and mounting bracket, and described light source assembly has the aiming light source that some lighting sources are arranged on the light source board and pass light source board.
Described fore-stock is the photoconduction leading-in device that is clasped and installs with mounting bracket, and it is provided with the perforate that can supply light source assembly to pass.
Described light source assembly has some lighting sources, and the guiding perforate that described photoconduction leading-in device passes for lighting source has abducent chamfering and illuminates the target area with the light of guiding lighting source as far as possible.
The technical solution of the utility model can also realize like this:
A kind of application apparatus with above-mentioned image and bar code reading module, it comprises a recognition window that is used for images acquired and bar code, be located at key control unit in described image and bar code reading and the feedback assembly, for described key control unit provides the power supply module of electric power, and the image and bar code reading module and the decoding circuit plate that are used to carry out image and bar code reading.But this image and bar code reading module comprise mounting bracket, be assembled to the camera lens of mounting bracket images acquired or bar code, be assembled with the image that receives the camera lens collection or bar code and circuit board, the fore-stock of the imageing sensor handled and be assembled in that fore-stock can illuminate and focus image or bar code light source assembly.Described mounting bracket has holding part or button is held one of space, and described fore-stock has to buckle to be held space or holding part and be clasped with mounting bracket.
Further, described fore-stock is a light source board, the installation that is clasped of itself and mounting bracket, and described light source assembly has some lighting sources and is arranged on the light source board and wears the aiming light source of penetrating light source board.
Described fore-stock is the photoconduction leading-in device that is clasped and installs with mounting bracket, and it is provided with the perforate that can supply light source assembly to pass.
Described light source assembly has some lighting sources, and the guiding perforate that described photoconduction leading-in device passes for lighting source has abducent chamfering and illuminates the target area with the light of guiding lighting source as far as possible.
Application apparatus also comprises Liquid Crystal Module, and it provides user's operation indicating and image or bar code Query Result to show.
Compared with prior art, the beneficial effects of the utility model are: rigging error reduces, and assembly precision improves, designs simplification.
Description of drawings
Fig. 1 is the image of expression the utility model first embodiment and the part three-dimensional exploded view of bar code reading module;
Fig. 2 is the image among Fig. 1 and the part three-dimensional combination figure of bar code reading module;
Fig. 3 is the image of expression the utility model second embodiment and the part three-dimensional exploded view of bar code reading module;
Fig. 4 is the image among Fig. 3 and the part three-dimensional combination figure of bar code reading module;
Fig. 5 is the three-dimensional view that the application apparatus of the utility model image and bar code reading module is used in expression;
Fig. 6 is the application principle figure of expression application apparatus of the present utility model.
Embodiment
Now, will describe embodiment of the present utility model with reference to the accompanying drawings in detail.In these figure, represent same or analogous element with identical mark, even in different figure, describe them.
With reference to Figure 1 and Figure 2, be the image of the utility model first embodiment and the part three-dimensional exploded view and the part three-dimensional combination figure of bar code reading module 100.This image and bar code reading module 100 comprise rectangle mounting bracket 1, are assembled to the backboard formula circuit board 4 at rectangle mounting bracket 1 rear portion, are assembled to the camera lens 2 of mounting bracket 1 and the light source bracket 3 that is clasped and installs with mounting bracket 1.In the utility model, this light source bracket 3 is a fore-stock.
Mounting bracket 1 has roof 11, diapire 12 and the pair of sidewalls 13 that is connected with roof 11, diapire 12 that is oppositely arranged and encloses the spatial accommodation 10 that forms jointly by wall 11,12,13.Lens bracket 14 and diapire 12 are wholely set or assemble and be positioned at the rear portion of spatial accommodation 10, and this lens bracket 14 can be camera lens 2 and provides support and spatial accommodation.Roof 11, diapire 12 are provided with a pair of wedge shape holding part 15 respectively near the leading edge place, are used for being clasped with the light source bracket 3 in the place ahead.Circuit board 4 is a tabular, and its front surface is equipped with imageing sensor 41 and is used for receiving the image of camera lens 2 shootings and converting the analog or digital signal to, transfers to decoding circuit again and converts bar code information to, to finish the scanning to image or bar code.This decoding circuit can be to be arranged on separately on the decoding circuit plate, also can with the utility model in be assembled with the circuit board 4 integrated settings of imageing sensor 41.Circuit board 4 is provided with screw 42 and is assembled on the mounting bracket 1 for screw passes four corners.
After the assembling, light source bracket 3 is clasped with mounting bracket 1, meeting appear from printing opacity slit 312 and illuminate and be scanned the zone after the lighting source assembling, and the aiming light source is contained in light source resettlement section 33 and aims at image or the bar code that is scanned in the zone by printing opacity space 311.Camera lens 2 can be gathered the image or the bar code image that are scanned in the zone and send imageing sensor 41 processing to then, then via finishing scanning recognition after decoding circuit (not shown) decoding.
See also Fig. 3 and Fig. 4, it has disclosed the image and the bar code reading module 200 of the utility model second embodiment.This image and bar code reading module 200 include mounting bracket 5, aiming light source bracket 54, lens bracket 56, camera lens 6, backboard 8, light source board 7 and photoconduction leading-in device 9.
Mounting bracket 5 has roof 51, diapire 52 that is oppositely arranged and the pair of sidewalls 53 that connects roof 51, diapire 52.Two make-ups are held space 57 and are run through roof 51, diapire 52 and close mounting bracket 5 leading edges.Lens bracket 56 and aiming light source bracket 54 are arranged side by side in the wall 51,52,53 by mounting bracket 5 and enclose in the accommodation space 50 that forms, its can with mounting bracket 5 integrally formed or assembled relation.In the embodiment of the present utility model, mounting bracket 5 is aluminums, and lens bracket 56 and aiming light source bracket 54 to be plastic cement make is assembled to mounting bracket 5 then.
After finishing, each component-assembled of camera lens 6 is installed in the lens bracket 56.Aiming light source 55 (being generally LED) is installed in the aiming light source bracket 54.Backboard 8 is a tabular, and imageing sensor 81 that aligns with camera lens 6 and the light-collecting lens 82 that aligns with aiming light source 55 are installed on it.Imageing sensor 81 receives image or the bar code information that camera lens is collected, and handles after be sent to the decoding circuit decoding by data-interface and finishes scanning recognition.Light-collecting lens 82 can strengthen the brightness of aiming light source 55 so that better scanned effect.
Light source board 7 is equiped with four lighting sources 71 (being generally the LED lamp) at four jiaos, and the middle part offers lens through hole 72 and aiming light source through holes 73.
Photoconduction leading-in device 9 offers lens through hole 92, aiming light source through holes 93, four lighting source guiding perforate 91 and four holding parts 94 that extend to form up and down respectively from photoconduction leading-in device 9 rear surfaces that are positioned at the corner.Especially, four lighting sources 71 are housed in the lighting source guiding perforate 91, and guiding perforate 91 has the light angle that chamfering 910 is used for guiding lighting source 71, to illuminate zone to be scanned to greatest extent.Aim at image or bar code in the light source 55 meeting aimings zone to be scanned then, pass to imageing sensor 81 after gathering by camera lens 6 and handle.When each element all assemble finish after, photoconduction leading-in device 9 also is assembled to mounting bracket 5, and its holding part 94 can be snapped into the button hold in the space 57.So, each element is assembled into image and bar code scan module 200 reliably, exactly.This photoconduction leading-in device 9 can be considered as fore-stock of the present utility model.
See also Fig. 5 and Fig. 6, it shows the application principle figure of the application apparatus 300 of using the utility model image and bar code scan module 100,200.This application apparatus 300 comprises shell of being made up of lid 400 and pedestal 500 and the electron device that is contained in enclosure.See also Fig. 5, it has showed the schematic diagram of the internal electronic device of application apparatus 300.
Further, the electron device of application apparatus 300 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 application apparatus 200 also comprises 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 application apparatus 300 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 100,200 that is useful on recognition image and bar code information removably, and provide driving electric for this image and bar code reading module 100,200, described image and bar code reading module 100,200 detachables are in described usb hub 108, preferably, image and bar code reading module 100,200 can with the setting that becomes one of decoding circuit plate, make that with it described application apparatus 300 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 application apparatus 300 of the present invention.
In best mode for carrying out the invention, when using application apparatus 300 to scan 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 application apparatus 300 is read in, be sent to after the image that is provided with by inside and the processing of bar code reading module 100,200 be reduced into after the decoding 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 feed back to application apparatus 300, this application apparatus 300 can show Query Result on Liquid Crystal Module 105.
That is application apparatus 300 of the present invention has image and the bar code reading module 100,200 that is clasped, its assembly precision height, and error is little.
Certainly, be a kind of application mode of application apparatus 200 of the present invention 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 (9)
1. image and bar code reading module, but it comprise mounting bracket, be assembled to mounting bracket images acquired or bar code camera lens, be assembled with the image that receives the camera lens collection or bar code and circuit board, the fore-stock of the imageing sensor handled and be assembled in that fore-stock can illuminate and the light source assembly of focus image or bar code; It is characterized in that: described mounting bracket has holding part or button is held one of space, and described fore-stock has to buckle holds being clasped with mounting bracket in the lump of space or holding part.
2. according to image described in the claim 1 and bar code reading module, it is characterized in that described fore-stock is a light source board, itself and mounting bracket are clasped, and described light source assembly has the aiming light source that some lighting sources are arranged on the light source board and pass light source board.
3. image described in claim 1 and bar code reading module is characterized in that, described fore-stock is the photoconduction leading-in device that is clasped and installs with mounting bracket, and it is provided with the perforate that can supply light source assembly to pass.
4. image described in claim 3 and bar code reading module, it is characterized in that, described light source assembly has some lighting sources, and the guiding perforate that described photoconduction leading-in device passes for lighting source has abducent chamfering and illuminates the target area with the light of guiding lighting source as far as possible.
5. application apparatus with above-mentioned image and bar code reading module, it comprises a recognition window that is used for images acquired or bar code, be located at key control unit in the described application apparatus, for described key control unit provide electric power the power supply module, be used to carry out image and the bar code reading module and the decoding circuit plate of image and bar code reading; But this image and bar code reading module comprise mounting bracket, be assembled to the camera lens of mounting bracket images acquired or bar code, be assembled with the image that receives the camera lens collection or bar code and circuit board, the fore-stock of the imageing sensor handled and be assembled in that fore-stock can illuminate and focus image or bar code light source assembly; It is characterized in that: described mounting bracket has holding part or button is held one of space, and described fore-stock has to buckle holds being clasped with mounting bracket in the lump of space or holding part.
6. application apparatus according to claim 5 is characterized in that, described fore-stock is a light source board, the installation that is clasped of itself and mounting bracket, and described light source assembly has the aiming light source that some lighting sources are arranged on the light source board and pass light source board.
7. the application apparatus described in claim 5 is characterized in that, described fore-stock is the photoconduction leading-in device that is clasped and installs with mounting bracket, and it is provided with the perforate that can supply light source assembly to pass.
8. the application apparatus described in claim 7, it is characterized in that, described light source assembly has some lighting sources, and the guiding perforate that described photoconduction leading-in device is worn for lighting source has abducent chamfering and illuminates the target area with the light of guiding lighting source as far as possible.
9. the application apparatus described in claim 5 is characterized in that, also comprises Liquid Crystal Module, and it provides user's operation indicating and image or bar code Query Result to show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131670U CN201540578U (en) | 2009-12-16 | 2009-12-16 | Image and bar recognition module and application device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131670U CN201540578U (en) | 2009-12-16 | 2009-12-16 | Image and bar recognition module and application device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201540578U true CN201540578U (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202131670U Expired - Fee Related CN201540578U (en) | 2009-12-16 | 2009-12-16 | Image and bar recognition module and application device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN201540578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685466A (en) * | 2011-01-31 | 2012-09-19 | 手持产品公司 | Adaptive video capture decode system |
| CN114239621A (en) * | 2021-12-16 | 2022-03-25 | 福建新大陆自动识别技术有限公司 | Miniature bar code collection system with can dismantle subassembly |
-
2009
- 2009-12-16 CN CN2009202131670U patent/CN201540578U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685466A (en) * | 2011-01-31 | 2012-09-19 | 手持产品公司 | Adaptive video capture decode system |
| CN114239621A (en) * | 2021-12-16 | 2022-03-25 | 福建新大陆自动识别技术有限公司 | Miniature bar code collection system with can dismantle subassembly |
| CN114239621B (en) * | 2021-12-16 | 2023-11-28 | 福建新大陆自动识别技术有限公司 | Miniature bar code acquisition device with detachable assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20161216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |