CN202183102U - Infrared scanner for bar code - Google Patents
Infrared scanner for bar code Download PDFInfo
- Publication number
- CN202183102U CN202183102U CN2011202951198U CN201120295119U CN202183102U CN 202183102 U CN202183102 U CN 202183102U CN 2011202951198 U CN2011202951198 U CN 2011202951198U CN 201120295119 U CN201120295119 U CN 201120295119U CN 202183102 U CN202183102 U CN 202183102U
- Authority
- CN
- China
- Prior art keywords
- infrared
- bar code
- module
- scanner
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses an infrared scanner for a bar code, which comprises an infrared control emission module, a light filtering module, an infrared receiving module and a single amplifying and decoding module. An infrared linear light beam generated by the infrared control emission module is reflected on the bar code to be tested, the read one-dimensional bar code reflected light is processed by the light filtering module and the infrared receiving module and transmitted to the single amplifying and decoding module to carry out decoding and identification. By scanning and identification on the bar code of an object through the emitted infrared invisible to human eyes, the infrared scanner for the bar code avoids discomfort or even fears brought to people working under the condition of multi-line laser for a long time and eliminates mental maladjustment brought to users when the users face visible light with strong lightness of an existing laser scanner. Simultaneously, the reflectivity of the infrared is high, so the identification on the bar code is more sensitive, and the effect of filtering and interference resistance is better. Therefore, depth of field and sensitivity of scanning and identification on the bar code by a bar code scanning platform are greatly improved.
Description
Technical field
The utility model relates to the bar code scan field, relates in particular to a kind of infrared bar code scanner.
Background technology
Existing functionality of laser bar code scanning platform all is that emission of lasering beam is to bar code scan; Though accuracy is high; But following shortcoming is arranged: 1, Laser Barcode Scanner comprises generating laser and reads circuit such as decoding; Because the luminance factor infrared light of laser is low, so laser bar code scanner needs more complicated circuitry that signal is amplified, the circuit production cost is high; 2, when using the laser bar code scanner scan operation, can launch laser beam.Generally speaking, forceful rays can bring bad influence to people's mental health, and the brightness of laser beam is very high, can bring the people very uncomfortable feeling even frightened and restless.Particularly the market attendant can receive up to ten thousand times laser radiation every day, gets off for a long time and can cause certain mental handicape, for example depressed symptom.
The infrared scan equipment that existing utility model patent " a kind of infrared scan equipment " adopts is not through the emission infrared light; And scanning reflection light scans and reads; But the view data that scans is carried out reading bar code image information through the infrared remote sensing controller again behind the buffer memory; This is a two-dimensional image information that special substance stamps, and decodes then.What the control of " a kind of infrared scan equipment " mid infrared range remote sensing was used is the technology that infrared sensor is surveyed infrared light; Be different from directly be transmitted into bar code through infrared light after; The bar code information that reads filters, amplification, decoding processing; The processing procedure more complicated, system cost is higher.
The utility model content
The utility model purpose provides a kind of infrared bar code scanner; Through the sightless IR of emission human eye the object bar code is scanned identification; Long-term work brings to the people under multi-thread laser discomfort and health hazard have been avoided; The infrared light of high reflectance is sharp more to the identification of bar code simultaneously, and the anti-interference better effects if of filtering has improved the depth of field and the sensitivity of bar code scan platform to bar code scan identification greatly.
The utility model provides a kind of infrared bar code scanner; Comprise that infrared control transmitter module, optical filtering module, infrared receiving module, signal amplify and decoder module; Said infrared control transmitter module produces infrared wire beam reflection on bar code to be measured; The bar code reflected light that reads is handled through optical filtering module, infrared receiving module, the identification that sends that signal amplifies and decoder module is decoded to.
Further, also comprise mechanical optical path component, said mechanical optical path component comprises the electric rotating machine that a plurality of different angles catoptrons are housed, and a plurality of dichroic reflector that is complementary; The infrared beam that said mechanical optical path component produces said infrared control transmitter module is handled the back and is formed the latticed light net that many different angles infrared lights are formed.
Further, said infrared bar code scanner also comprises the data transmission module that is connected with decoder module with the signal amplification, is used for sending decoded data to external equipment; Said data transmission module is the wireless transmit emitter, and the data transmission that will produce after will decoding through RF (radio frequency) is given external equipment; Perhaps said data transmission module has USB interface, decoded data-switching is become the USB transmission signals transmit through USB interface; Perhaps said data transmission module becomes ps2 keyboard format data with decoded data-switching to be transmitted; Perhaps said data transmission module has serial line interface, decoded data-switching is become data signals of serial transmit.
Further; Said optical filtering module is arranged on infrared receiving module receiving plane front end; Said optical filtering module is bandpass filter, will filters from other veiling glare that bar code reflects, and the infrared light that needs wavelength that only allows when the bar code scan platform is launched through bar code scan, to reflect passes through.
Further, said signal decoding processing module comprises photoelectric switching circuit, amplifying circuit, shaping circuit, automatic gain control circuit and decoding circuit.
Further; Also comprise the dormancy control module in the said infrared bar code scanner and wake control module up; Wherein dormancy control module is used to judge that working as the time that does not have object to be scanned surpasses preset value, then controls said infrared bar code scanner and gets into the dormancy holding state automatically; Wake control module up and be used for when the object that carries bar code keeps off the infrared beam of emission, then wake said infrared bar code scanner automatically up and get into duty.
As the product design of different application, said infrared bar code scanner adopts seat formula structural housing or hand-held moving structure shell.The infrared bar code scanner of the utility model can be fixedly placed on the cashier and use like this; Not only can see that dazzling laser; And the object that carries bar code to be scanned, as long as just being scanned fast, entering barcode scanner sweep limit recognizes.But perhaps the infrared bar code scanner of the utility model also hand hold and scan identification, easy to use.
The infrared bar code scanner of the utility model; Through the sightless IR of emission human eye the object bar code is scanned identification; Long-term work brings to the people under multi-thread laser discomfort and health hazard have been avoided; High reflectance is with infrared light is sharp more to the identification of bar code on a large scale simultaneously, and compatible identity is strong, can both discern the common bar code that any material is done; And filtering is anti-interference effective, improves the depth of field and the sensitivity of clockwork spring sign indicating number scanning platform to bar code scan identification greatly.
Description of drawings
Fig. 1 is the infrared bar code scanner block diagram that the utility model embodiment one provides.
Fig. 2 is the infrared bar code scanner structural representation that the utility model embodiment two provides.
Fig. 3 is the infrared bar code scanner workflow synoptic diagram that the utility model embodiment provides.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done to describe in detail further below.
As shown in Figure 1; The infrared bar code scanner that the utility model embodiment one provides; Comprise that infrared control transmitter module, mechanical optical path component, optical filtering module, infrared receiving module, signal amplify and decoder module; All there is circuit to be connected in said infrared control transmitter module, mechanical optical path component, infrared receiving module, signal amplification and the decoder module; Said infrared control transmitter module control infraluminescence pipe produces infrared beam; Focus on through mechanical optical path component through concentrating device again and to reflex on the bar code to be measured, the bar code reflected light that reads from bar code to be measured is an electric signal through optical filtering module, infrared receiving module treatment conversion, the identification that sends that signal amplifies and decoder module is decoded to.
Said infrared bar code scanner also comprises the data transmission module that is connected with the signal decoding processing module, is used for sending decoded bar code data to external equipment.As the mode of multiple application product, said data transmission module is the wireless transmit emitter, and the data transmission that will produce after will decoding through RF (radio frequency) is given external equipment; Perhaps said data transmission module has USB interface, decoded data-switching is become the USB transmission signals transmit through USB interface; Perhaps said data transmission module becomes ps2 keyboard format data with decoded data-switching to be transmitted; Perhaps said data transmission module has serial line interface, decoded data-switching is become data signals of serial transmit.
Said mechanical optical path component comprises the electric rotating machine that a plurality of different angles catoptrons are housed, and a plurality of dichroic reflector that is complementary; The motor catoptron first reflection that the infrared beam process that said mechanical optical path component produces said infrared control transmitter module is rotated, and a plurality of dichroic reflector that is complementary reflects the latticed light net that the processing back forms many different angles infrared lights compositions for the second time.
Said optical filtering module is arranged on infrared receiving module receiving plane front end; Said optical filtering module is bandpass filter, will filters from other veiling glare that bar code reflects, and the infrared light that needs wavelength that only allows when barcode scanner is launched through bar code scan, to reflect passes through.
Said signal amplifies and decoding process module comprises photoelectric switching circuit, amplifying circuit, shaping circuit, automatic gain control circuit and decoding circuit.
Also comprise the dormancy control module in the said infrared bar code scanner and wake control module up; Wherein dormancy control module is used to judge that working as the time that does not have object to be scanned surpasses preset value, then controls said infrared bar code scanner and gets into the dormancy holding state automatically; Wake control module up and be used for when the object that carries bar code keeps off the infrared beam of emission, then wake said infrared bar code scanner automatically up and get into duty.
As shown in Figure 2; As a specific product embodiment; The utility model provides a kind of infrared bar code scanning platform to adopt seat formula structural housing; The part that the emission of its infrared light is read for can be normally made through infrared light; The infrared beam of infraluminescence pipe 1 emission reflexes on the electric rotating machine 3 through the catoptron 2 at top in shell; The catoptron of a plurality of different angles is housed on the said electric rotating machine, and through the light of a plurality of orientation angles of continuous rotary reflection, the light of reflection is reflecting once through a plurality of catoptrons 4 that are installed in electric rotating machine opposite different angles again; The light of reflection constitutes by a latticed light net of being made up of many different angles IRs like this, and so latticed light net can make mobile bar code no matter get into the infrared light that infrared bar code scan land identification scope can both be emitted from that direction and cover.Infrared light runs into bar code 5 and can feed back to infrared light above the catoptron 4; The light that catoptron 4 receives reflexes to above the catoptron of electric rotating machine 3 again; The catoptron of electric rotating machine 3 is again the big light harvesting catoptron 6 at light reflected back top, and the illumination after excessive light harvesting catoptron 6 reflections is mapped to front end and receives above having the photoelectric sensor 7 of bandpass filter.Pass through photoelectric switching circuit, amplifying circuit, shaping circuit, automatic gain control circuit and decoding circuit at last successively, the bar code information data that the bar code scan platform is read send external equipments such as external computing machine, cashing machine to and carry out data processing or record.Concrete treatment scheme is asked for an interview Fig. 3.
Concrete; Electric signal after bar code information via infrared receiving device is handled becomes electric signal through opto-electronic conversion and since the light that receiving trap receives very a little less than; So the electric signal after handling need pass through amplifying circuit and amplify; Electric signal after the amplification passes through shaping circuit again, carries out signal shaping and is transformed into our desired signal, decodes and obtains the counter recognition data but be ultimately delivered to decoding circuit.
Decode procedure is to decode through cpu in the decoding circuit and peripheral cell, has the database of all one-dimensional bar codes among the decoding cpu, and no matter we import the sort of sign indicating number can both be decoded to it.When the barcode data signal was input among the decoding cpu, decoding cpu can access corresponding program and bar code is handled and decoded.
Data transmission module can adopt following any data transfer mode: 1, wireless transmission: the data that decoding obtains are transmitted through wireless transmitting device, and the data transmission that will produce after will decoding through RF (radio frequency) is given external equipment; 2, USB transmission mode: be that the data-switching that decoding obtains is become the USB transmission signals, signal is transmitting through the usb interface; 3, PS2 mode: the data-switching that decoding is obtained becomes ps2 keyboard format data and transmits then; 4, serial line interface (RS-232, RS-422, RS-485) mode: data-switching is become data signals of serial, then the transmission in order of one one of data.Infrared receiving module receive signal mainly pass through above several kinds of modes data transmission is handled or is preserved to the enterprising line data of other equipment (peripherals such as computing machine, cashing machine).
Because all objects can both send infrared light and other veiling glare, the various veiling glares in also having living space all can cause interference to our bar code scan platform, so need an optical filtering module that veiling glare is carried out filtering among the utility model embodiment.This optical filtering module is bandpass filter, will filters from other veiling glare that bar code reflects, and the infrared light that needs wavelength that only allows when the bar code scan platform is launched through bar code scan, to reflect passes through, and so just can reach jamproof effect.
In mechanical light path reflection is transmitted; We mainly form through the polylith catoptron; Change over a latticed light net coverage rate to the Ray Of Light of original infraluminescence pipe emission through mechanical light path, increased the scope of scanning, aim at a line could scan successfully because no longer be; The bar code that is scanned gets into latticed light net coverage rate from any angle and is all scanned easily, has improved work efficiency greatly.So the application on the infrared bar code scanning platform of the utility model can be got rid of and be difficult to aim at the worry that bar code scans to infrared scan light is invisible.
The infrared bar code scanner of the utility model has following function:
(1) sleep mode: when not having object scanning, get into dormant state automatically, saved the energy, prolonged the serviceable life of equipment.
(2) arousal function: have object (bar code) from the front process, when keeping off infrared beam, wake the entering duty automatically up.
(3) hummer prompting: judge that bar code has a foundation of not swept to, hummer can be sounded when bar code is scanned, and phoenix ring device can send other a kind of sound when mistake appearred in scanning, pointed out.
(4) pilot lamp: double-colored led warning light, when scanner was in running order, pilot lamp was bright.
(5) Elevation Scanning: the bar code that can scan different angles.
The advantage of the utility model is following:
1, adopts sightless infrared light optical tech
What laser scanner sent is a kind of comparatively dazzling visible light of redness, and this factor is the drawback that is tending towards perfect laser scanner.And this infrared line scanner has just in time been avoided this drawback of laser scanner, and what it adopted is that infrared ray scans, because ultrared wavelength surpasses the scope that the human body naked eyes can be observed, so be a kind of invisible light.Bar code scanner generally is used in the bar code scan of supermarket, library, logistics express delivery etc.; Be a kind of equipment that need contact with the people; So be necessary the hommization that has more with its design; And infrared ray not only can reduce operating personnel for a long time in the face of the psychological pressure of laser beam, and has eliminated when the consumer checks in the supermarket of worry and fear to(for) this red laser.
2, reflectivity is high, and sweep limit is big
The infrared ray barcode scanner is to carry out processing and identification according to sending out the signal that reflects; The high more identification that helps bar code more of reflectivity; Through adding an optical-mechanical light path light harvesting is carried out in the reception of infrared light; Thereby sweep limit is more strengthened, improve the depth of field of bar code scan platform scanner identification.
3, anti-interference is good
Adopt unique optical filter to filter, guarantee to have only the infrared light of the surperficial needs that reflect of bar code to pass through, so just can reach jamproof effect according to the infrared waves progress row of the surperficial absorption reflection of bar code.
The infrared ray barcode scanner of the utility model does not have special requirement for the bar code of sweep object; Only need the bar code between common black and white bar Kongxiang just can discern; Be that bar code just can be scanned; So this invention has very high compatibility and recognition capability, can discern all one-dimensional bar codes of the circulation on the present market basically.Need not adopt the bar code printing material printing that infrared light is had special absorption characteristic, reflection characteristic, can discern the one-dimensional bar code of various kinds.Be different from the noctovisor scan technology of using on the present market; For example as the anti-counterfeit bar code scanning device; False proof noctovisor scan is a kind of man-to-man technology, and bar code is corresponding with scanning device, and special scanner scans is with the bar code of certain material printing; There is certain limitation row in technology, does not have very big popularization with technical application property.Infrared ray bar code scan platform technology change not by the sweep object bar code, and just changed the equipment and technology of our scanning, through changing the scan mode that equipment and technology changes us, the meaning of the utility model innovation that Here it is.
The above is the preferred implementation of the utility model; Certainly can not limit the interest field of the utility model with this; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and change, these improvement and change also are regarded as the protection domain of the utility model.
Claims (6)
1. infrared ray bar code scanner; It is characterized in that; Comprise that infrared control transmitter module, optical filtering module, infrared receiving module, signal amplify and decoder module; Said infrared control transmitter module produces infrared wire beam reflection on bar code to be measured, and the bar code reflected light that reads is handled through optical filtering module, infrared receiving module, sends signal amplification and decoder module to and carries out bar code decoding identification.
2. according to the said infrared bar code scanner of claim 1, it is characterized in that also comprise mechanical optical path component, said mechanical optical path component comprises the electric rotating machine that a plurality of different angles catoptrons are housed, and a plurality of dichroic reflector that is complementary; The infrared beam that said mechanical optical path component produces said infrared control transmitter module is handled the back and is formed the latticed light net that many different angles infrared lights are formed.
3. according to claim 1 or 2 said infrared bar code scanners, it is characterized in that, also comprise the data transmission module that is connected with the signal decoding processing module, be used for sending decoded data to external equipment;
Said data transmission module is the wireless transmit emitter, and the data transmission that will produce after will decoding through radio frequency is given external equipment; Perhaps said data transmission module has USB interface, decoded data-switching is become the USB transmission signals transmit through USB interface; Perhaps said data transmission module becomes ps2 keyboard format data with decoded data-switching to be transmitted; Perhaps said data transmission module has serial line interface, decoded data-switching is become data signals of serial transmit.
4. according to the said infrared bar code scanner of claim 1, it is characterized in that said optical filtering module is arranged on the receiving plane front end of infrared receiving module, said optical filtering module is a bandpass filter.
5. according to the said infrared bar code scanner of claim 1, it is characterized in that said signal decoding processing module comprises photoelectric switching circuit, amplifying circuit, shaping circuit, automatic gain control circuit and decoding circuit.
6. according to claim 1 or 2 said infrared bar code scanners, it is characterized in that, also comprise the dormancy control module in the said infrared bar code scanner and wake control module up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202951198U CN202183102U (en) | 2011-08-15 | 2011-08-15 | Infrared scanner for bar code |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202951198U CN202183102U (en) | 2011-08-15 | 2011-08-15 | Infrared scanner for bar code |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183102U true CN202183102U (en) | 2012-04-04 |
Family
ID=46176132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202951198U Expired - Lifetime CN202183102U (en) | 2011-08-15 | 2011-08-15 | Infrared scanner for bar code |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202183102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289652A (en) * | 2011-08-15 | 2011-12-21 | 广州市旭龙条码设备有限公司 | Infrared bar code scanner |
| CN108090387A (en) * | 2018-01-02 | 2018-05-29 | 东莞市鼎锋智能电子科技有限公司 | A kind of barcode scanning gun with cash register system |
-
2011
- 2011-08-15 CN CN2011202951198U patent/CN202183102U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289652A (en) * | 2011-08-15 | 2011-12-21 | 广州市旭龙条码设备有限公司 | Infrared bar code scanner |
| CN108090387A (en) * | 2018-01-02 | 2018-05-29 | 东莞市鼎锋智能电子科技有限公司 | A kind of barcode scanning gun with cash register system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102289652A (en) | Infrared bar code scanner | |
| US9639726B2 (en) | Code symbol reading system having adjustable object detection | |
| US8245930B2 (en) | Method and apparatus for augmenting optical barcode scanner with RFID reader | |
| EP2463804B1 (en) | System for reading visible and/or invisible code symbols in a user-transparent manner using visible/invisible illumination source switching during data capture and processing operations | |
| US7515051B2 (en) | RFID antenna system having reduced orientation sensitivity | |
| US7490776B2 (en) | Sensor control of an aiming beam of an automatic data collection device, such as a barcode reader | |
| US5664229A (en) | Accessory for conversion with housing with first connection includes host cable and host connector and second connection including a plug-in modular connector | |
| US5923021A (en) | Light collection systems in electro-optical readers | |
| EP2593901B1 (en) | Scan engine with integrated object sensor in electro-optical readers | |
| US9959442B2 (en) | Extended depth of field in imaging machine-readable symbol reader using image side telecentric lens | |
| JPH0447353B2 (en) | ||
| US20140089121A1 (en) | Arrangement for and method of alerting a user to context-based transactional information under which products are to be transacted at a point-of-transaction site | |
| JP5975608B2 (en) | Multi-range indicia reader with single trigger actuation | |
| CN104598860B (en) | The indicia reader of programmable indicators with software upgrading | |
| EP2397967A1 (en) | Portable data terminal with integrated flashlight | |
| CN202183102U (en) | Infrared scanner for bar code | |
| CN110709853B (en) | Image sensor with range and light level detection | |
| US8752767B2 (en) | Illumination system with prism for use in imaging scanner | |
| JP2019096344A (en) | Optical information reading device | |
| CN209765511U (en) | Fixed two-dimensional code scanner | |
| US8387882B2 (en) | Decodable indicia reading terminal with a platter to inhibit light reflection | |
| CN113723128A (en) | Bar code gun with automatic illuminance adjustment function | |
| CN202854827U (en) | Projection prompt type bar code scanner | |
| JP3198782U (en) | Pseudo laser barcode reader | |
| CN2158599Y (en) | Sensing structure for infrared photoelectric switch |
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: SUNLUX IOT (GUANGDONG) TECHNOLOGY INC. Free format text: FORMER NAME: GUANGZHOU XULONG BARCODE EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 510663, Guangdong, Guangzhou Guangzhou economic and Technological Development Zone, Yushu Industrial Zone, dedicated four street, B building, Room 301 Patentee after: SUNLUX IOT TECHNOLOGY (GUANGDONG) INC. Address before: 510663 Guangdong province Guangzhou Science City Road No. 99 science department Jingu room 402 building E2 Patentee before: Guangzhou Xulong Barcode Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |