CN203038289U - Bar code reading decoding module and hand-held electronic device - Google Patents
Bar code reading decoding module and hand-held electronic device Download PDFInfo
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- CN203038289U CN203038289U CN 201220679503 CN201220679503U CN203038289U CN 203038289 U CN203038289 U CN 203038289U CN 201220679503 CN201220679503 CN 201220679503 CN 201220679503 U CN201220679503 U CN 201220679503U CN 203038289 U CN203038289 U CN 203038289U
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- bar code
- circuit board
- code reading
- decoder module
- reading decoder
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Abstract
The utility model provides a bar code reading decoding module. The bar code reading decoding module comprises a first circuit board for bearing an image sensing chip located on the front of the first circuit board and a bar code processing chip located on the back of the first circuit board. The image sensing chip is a CMOS (Complementary Metal-Oxide-Semiconductor Transistor) chip for image acquisition. The bar code processing chip is used for performing bar code decoding on acquired images. The bar code reading decoding module further comprises a second circuit board for bearing an illumination light source located on the front of the second circuit board and an aiming light source located on the back of the second circuit board; and a support for bearing the first circuit board and the second circuit board. Compared with the prior art, the bar code reading decoding module has the beneficial effects of small size, low power consumption, few devices, simple design and low cost.
Description
Technical field
The utility model relates to the bar-code identification field, particularly a kind of bar code reading decoder module and hand-hold electronic device.
Background technology
Barcode scanner is to utilize photovoltaic principals bar code information to be converted into the input equipment of the acceptable information of computing machine, be usually used in library, hospital, bookstore and supermarket, a kind of input medium as quick registration or clearing, to in the commodity external packing or the image on the printed matter or bar code information direct reading, and be input in the on-line system.Therefore, barcode scanner need have recognition and decoding function at least, and prior art is mostly with bar code reading module (imaging module, imaging head) collocation decoding circuit plate, in order to realize aforementioned functional.
The electronic circuit framework of existing bar code reading module mainly is to use microprocessor (CPU) collocation random-access memory (ram) and flash memory (FLASH) computing framework, realizes the identification to image acquisition and the bar code of image chip.Foregoing structure is gathered processing instruction on the external non-volatile memory such as being stored in flash memory; When module started, microprocessor copied to the instruction set in the flash memory in the random access memory and moves, or directly moves at flash memory; The image of gathering in the operational process process, the data of calculating process are stored on the random access memory.
Therefore, because existing recognition module has been used numerous electron devices such as CPU, RAM, FLASH, image sensor chip, not only the assembling test is loaded down with trivial details, and the total area of circuit board is difficult to accomplish 400mm
2In, and power is difficult to less than 1.5 watts.
The emergent light framework of existing bar code reading module mainly is to use lighting source and aiming light source, and the aiming light source can use light emitting diode (LED) or laser LED projection specific pattern, in order to identification targets such as aiming and location bar codes; Lighting source can use the LED transmitted light beam to be radiated on identification such as the bar code target, is beneficial to the bar code reading module and collects high-quality image and decode.In addition, aiming light source and lighting source can be positioned on same circuit board or the various boards, and the different lens arrangement of arranging in pairs or groups separately reaches and focuses on or the even effect of lighting, and for example the open case US Patent Publication No.:2003/0029917 of United States Patent (USP) has disclosed the aiming light source and is positioned at the first circuit board with image sensor chip, the bar code reading module that lighting source is positioned at second circuit board.Existing product on the market, for example Honeywell 5X80 and 5600 series of products, also be positioned at the first circuit board with image sensor chip, the bar code reading module that lighting source is positioned at second circuit board for the aiming light source, and the second circuit board circuit board need be positioned at the place ahead of first circuit board, and needs collocation extraneous solution decoding circuit plate to decode.In addition, Motorola SE3300 series of products are integral image sensing chip on the single circuit board, aiming light source and lighting source, and integrate the lens of aiming light source and sampling image lens on same structure, and the extraneous solution decoding circuit plate of also need arranging in pairs or groups could be decoded.
In sum, the one-piece construction of existing bar code reading module need to be carried the assemblies such as circuit board, optical lens, lighting circuit plate of image sensor chip, in order to be fixed, and the light that intercepts extraneous non-imaging influences the image sensor chip image quality.Because need carrying than multicompartment, even comprise the fixing of various circuit boards, therefore the physical dimension of whole bar code reading module is difficult to accomplish 5000mm
3In, also therefore have defectives such as size is big, power consumption is big, device is many, cost height, unfavorable bar code reading module miniaturized design.Separate in the code reading module if need further decoding function to be included in, form the bar code reading decoder module, then more be difficult to reach the miniaturized design of integral module.
So fundamental purpose of the present utility model is that the present bar code reading decoder module of solution is difficult to accomplish very small dimensions, extremely low power dissipation, zero device and mechanism design is simplified most and the problem of very low cost.
The utility model content
At the deficiencies in the prior art, the utility model purpose is to provide a kind of very small dimensions, extremely low power dissipation, zero device and mechanism design is simplified most and bar code reading decoder module and the hand-hold electronic device of very low cost.
To achieve these goals, the utility model adopts following technical scheme: a bar code reading decoder module is characterized in that described bar code reading decoder module comprises:
One first circuit board, be used for a complementary metal-oxide-semiconductor image sensing chip and a bar code processing chip that is positioned at described back of circuit board that carrying is positioned at described circuit board front, wherein, described image sensor chip is CMOS chips and is used for gathering image that described bar code processing chip is used for described image is carried out bar code decoding;
One second circuit board: be used for lighting source and the aiming light source that is positioned at described back of circuit board that carrying is positioned at described circuit board front;
One support is used for the described first circuit board of carrying and described second circuit board.
As further improvement of the utility model, described bar code reading decoder module further comprises a tertiary circuit plate, in order to fix and to electrically connect described first circuit board and described second circuit board.
As further improvement of the utility model, described tertiary circuit plate comprises a microprocessor.
As further improvement of the utility model, described microprocessor is controlled the lighting function of described illuminating source and described aiming light source.
As further improvement of the utility model, described aiming light source is the reverse side paster type light emitting type.
As further improvement of the utility model, described reverse side paster type light emitting type comprises lens and a pin.
As further improvement of the utility model, the described lens angle of divergence is not more than 30 degree.
As further improvement of the utility model, the exposure function of the described image sensor chip of described bar code processing chip controls.
As further improvement of the utility model, the lighting function of the described illuminating source of described bar code processing chip controls and described aiming light source.
The utility model also can adopt another technical scheme: a hand-held electronic installation, wherein, described hand-hold electronic device comprises aforesaid bar code reading decoder module.
Compared with prior art, the beneficial effects of the utility model are: realize bar code reading decoder module miniaturized design, effectively reach very small dimensions, extremely low power dissipation, zero device and mechanism design and simplify most and very low cost.
Description of drawings
Fig. 1 is the schematic perspective view of the utility model bar code reading decoder module.
Fig. 2 is the exploded perspective view of the utility model bar code reading decoder module.
Fig. 3 is the schematic perspective view of first circuit board in the utility model bar code reading decoder module.
Fig. 4 a-4b is the schematic perspective view of second circuit board in the utility model bar code reading decoder module.
Fig. 4 c is the schematic perspective view of the SMD light-emitting diode of reverse side in the utility model bar code reading decoder module.
Fig. 5 a-5e is the front schematic view of the utility model bar code reading decoder module.
Fig. 6 a-6b is the schematic block circuit diagram of the utility model bar code reading decoder module.
Embodiment
The utility model relates to the bar code reading decoder module, it is mainly used in identifying bar code or two-dimensional barcode image, in order to make the purpose of this utility model, technical scheme and advantage clearer, is described in detail below in conjunction with accompanying drawing:
With reference to Fig. 1, shown in Figure 2, the utility model bar code reading decoder module 100 comprises support 101, camera lens module 103, aiming light source 105, lighting source 107, shell 109, first circuit board 201, image sensor chip 203, second circuit board 205, tertiary circuit plate 207, microprocessor 209, connector 211.Wherein, support 101 is in order to support and fixedly first circuit board 201, second circuit board 205, tertiary circuit plate 207, camera lens module 103.Preferably, support 101 can be zinc alloy for die casting pedestal.Zinc alloy for die casting pedestal also has heat sink design, in order to strengthen the heat sinking function of first circuit board 201, second circuit board 205 and aforementioned circuit plate institute load-carrying unit except support and fixed function.Camera lens module 103 comprises thread, can see through to screw in or screw out support 101 to adjust the focal length of camera lens module 103.In addition, first circuit board 201 is positioned at second circuit board 205 rears, and is fixed in tertiary circuit plate 207 with welding manner respectively, makes three circuit boards electrically connect mutually, save and use board to board connector or winding displacement ways of connecting, to reduce cost and to simplify package program.Tertiary circuit plate 207 also can be selected carrying or not carry microprocessor 209.
With reference to shown in Figure 3, first circuit board 201 carrying bar code process chip 301 and image sensor chip 203, lay respectively at the not homonymy of first circuit board 201, particularly, in a specific embodiment of the present utility model, image sensor chip 203 can be positioned at the front of first circuit board 201, and bar code processing chip 301 can be positioned at the back side of first circuit board 201, the front of first circuit board 201 refers to that at this bar code reading decoder module 100 is used for receiving the incident direction of light, in order to reduce first circuit board 201 required areas and to dwindle bar code reading decoder module 100 sizes.Image sensor chip 203 is the incident light light that receives through camera lens module 103, in order to gather image.Preferably, image sensor chip 203 can be two-dimentional complementary metal oxide semiconductor (CMOS) (CMOS) chip, and can adopt volume honest and clean formula shutter (rolling shutter) or global shutter (global shutter) to realize exposure.In addition, image sensor chip 203 can be monochrome (monochrome) chip or polychrome chip, can also be front illumination (front side illumination) or backside illumination (back side illumination) be subjected to the light mode.Bar code processing chip 301 is for the output exposure control signal so that image, output illumination control signal and aiming control signal are gathered in 203 exposures of described image sensor chip, and can be used for described image is carried out bar code decoding.Because bar code processing chip 301 is the ic-type chip architecture, but not adopt microprocessor (CPU) collocation random-access memory (ram) and flash memory (FLASH) computing framework, therefore effectively reduce the size of bar code reading decoder module 100.
Shown in Fig. 4 a-4b, in one of the utility model specific embodiment, second circuit board 205 the place aheads carryings lighting source 107, rear carrying aiming light source 105, and second circuit board has hole 401, aims at light source 105 in order to hold and to embed.Therefore, second circuit board 205 has shaded effect for aiming light source 105 speech, and namely the hole 401 in the second circuit board 205 also can be used for removing and aims at spuious light arround the light source 105.Lighting source 107 all can be light emitting diode with aiming light source 105, and can be multiple visible light, for example ruddiness, white light, blue light, green glow.If lighting source 107 and the light emitting diode that aims at light source 105 employing different visible light can form lighting pattern and aiming pattern with color contrast.Preferably, aiming light source 105 is reverse side paster type light emitting type (reverse-mounted LED).
Shown in Fig. 4 c, from the above, in one of the utility model specific embodiment, aiming light source 105 is the reverse side paster type light emitting type, can have lens 403 and pin 405.Wherein, pin 405 adopts welding manner directly to be fixed on the second circuit board 205, do not need the mode with glue, a chain for binding criminals silk or structure engaging, and lens 403 can be round lens or ellipse lens.Preferably, lens 403 angles of divergence are not more than 30 degree.Therefore, adopt aforementioned single circuit board to carry lighting source 107 and aiming light source 105 simultaneously, and aiming light source 105 is the mode of reverse side paster type light emitting type, can make that not only manufacturing instinct further reduces, and need not to use other eyeglasses to be attached on lighting source 107 or the aiming light source 105, simplify the illumination and aiming design of whole module.
In another specific embodiment of the utility model, shown in Fig. 5 a-5e, camera lens module 103, aiming light source 105 can have five kinds of combinations at least with the position relation of lighting source 107.Be example with Fig. 5 a-5b, from shell 109 fronts, aiming light source 105 and lighting source 107 can only be positioned at left side or the right side (not shown) of camera lens module 103, and the aiming light source 105 can be positioned at lighting source 107 above or below, in the embodiment shown in Fig. 5 a-5b, bar code reading decoder module 100 can only use single a slice second circuit board 205.Be example with Fig. 5 c-5e, aiming light source 105 and lighting source 107 can be positioned at the both sides of camera lens module 103, and the aiming light source 105 still can be positioned at lighting source 107 above or below, in the embodiment shown in Fig. 5 c-5e, bar code reading decoder module 100 can use two second circuit boards 205, particularly, the embodiment shown in Fig. 5 c namely is corresponding to Fig. 1, Fig. 2 and Fig. 4 a-4b; In other words, in the specific embodiment of the utility model, bar code reading decoder module 100 can adopt a slice second circuit board 205 or two second circuit boards 205, is used for lighting source 107 and the aiming light source 105 that is positioned at second circuit board 205 back sides that carrying is positioned at second circuit board 205 fronts.
Shown in Fig. 6 a-6b, the schematic block circuit diagram of bar code reading decoder module 100 comprises bar code processing chip 301, image sensor chip 203, second circuit board 205, microprocessor 209, main frame 601.Bar code processing chip 301 major functions are that the image that image sensor chip 203 sends is carried out bar code or two-dimensional bar code decoding, and can see through I
2The C bus is utilized serial communication mode configuration image sensing chip 203 or is sent exposure control signal in order to control the exposure of image sensor chip 203.The major function of image sensor chip 203 is to see through exposure to gather image, and sends the image of gathering to bar code processing chip 301 and decode.Lighting source 107 among second circuit board 205 carryings and the electrically connect Fig. 4 a-4b and aiming light source 105, therefore, the illumination control signal that second circuit board 205 reception bar code processing chips 301 or microprocessor 209 send and aiming control signal, in order to the lighting source 107 among the control chart 4a-4b and aiming light source 105, when gathering image, image sensor chip 203 exposures carry out light filling and contraposition.Microprocessor 209 can adopt universal asynchronous receiving-transmitting transmitter (UART) and bar code processing chip 301 to intercom mutually, also can adopt asynchronous receiving-transmitting transmitter (UART) or the main frame 601 of universal serial bus (USB) bridge terminal device, signaling interface externally is provided.End device can be hand-held barcode scanner, pedestal formula barcode scanner, information terminal, mobile data terminal, smart mobile phone or various hand-hold electronic devices etc.
Although be the example purpose, preferred implementation of the present utility model 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 utility model of appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. a bar code reading decoder module is characterized in that, described bar code reading decoder module comprises:
One first circuit board, be used for an image sensor chip and a bar code processing chip that is positioned at the described first circuit board back side that carrying is positioned at described first circuit board front, wherein, described image sensor chip is CMOS chips and is used for gathering image that described bar code processing chip is used for described image is carried out bar code decoding;
One second circuit board: be used for lighting source and the aiming light source that is positioned at the described second circuit board back side that carrying is positioned at described second circuit board front;
One support is used for the described first circuit board of carrying and described second circuit board.
2. the bar code reading decoder module described in claim 1 is characterized in that, described bar code reading decoder module further comprises a tertiary circuit plate, in order to fix and to electrically connect described first circuit board and described second circuit board.
3. the bar code reading decoder module described in claim 2 is characterized in that, described tertiary circuit plate comprises a microprocessor.
4. the bar code reading decoder module described in claim 3 is characterized in that, described microprocessor is controlled the lighting function of described illuminating source and described aiming light source.
5. the bar code reading decoder module described in claim 1 is characterized in that, described aiming light source is the reverse side paster type light emitting type.
6. the bar code reading decoder module described in claim 5 is characterized in that, described reverse side paster type light emitting type comprises lens and a pin.
7. the bar code reading decoder module described in claim 6 is characterized in that, the described lens angle of divergence is not more than 30 degree.
8. the bar code reading decoder module described in claim 1 is characterized in that, the exposure function of the described image sensor chip of described bar code processing chip controls.
9. the bar code reading decoder module described in claim 1 is characterized in that, the lighting function of the described illuminating source of described bar code processing chip controls and described aiming light source.
10. a hand-held electronic installation is characterized in that described hand-hold electronic device comprises the bar code reading decoder module described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679503 CN203038289U (en) | 2012-12-11 | 2012-12-11 | Bar code reading decoding module and hand-held electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679503 CN203038289U (en) | 2012-12-11 | 2012-12-11 | Bar code reading decoding module and hand-held electronic device |
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| Publication Number | Publication Date |
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| CN203038289U true CN203038289U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220679503 Expired - Fee Related CN203038289U (en) | 2012-12-11 | 2012-12-11 | Bar code reading decoding module and hand-held electronic device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869293A (en) * | 2015-05-21 | 2015-08-26 | 福建新大陆电脑股份有限公司 | Image obtaining apparatus for imaging target area |
| CN104951820A (en) * | 2015-05-27 | 2015-09-30 | 福建新大陆自动识别技术有限公司 | Bluetooth mark identifying and reading equipment |
| CN106355119A (en) * | 2016-08-31 | 2017-01-25 | 福建新大陆自动识别技术有限公司 | Bar code recognition engine adopting displayed wick shape as aiming mark |
| CN113887256A (en) * | 2021-09-15 | 2022-01-04 | 福建新大陆自动识别技术有限公司 | Double-camera bar code reading module with heat dissipation assembly and bar code reading method |
-
2012
- 2012-12-11 CN CN 201220679503 patent/CN203038289U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869293A (en) * | 2015-05-21 | 2015-08-26 | 福建新大陆电脑股份有限公司 | Image obtaining apparatus for imaging target area |
| CN104951820A (en) * | 2015-05-27 | 2015-09-30 | 福建新大陆自动识别技术有限公司 | Bluetooth mark identifying and reading equipment |
| CN106355119A (en) * | 2016-08-31 | 2017-01-25 | 福建新大陆自动识别技术有限公司 | Bar code recognition engine adopting displayed wick shape as aiming mark |
| CN106355119B (en) * | 2016-08-31 | 2019-02-01 | 福建新大陆自动识别技术有限公司 | A kind of bar code reading engine showing wick shape as point of aim mark |
| CN113887256A (en) * | 2021-09-15 | 2022-01-04 | 福建新大陆自动识别技术有限公司 | Double-camera bar code reading module with heat dissipation assembly and bar code reading method |
| CN113887256B (en) * | 2021-09-15 | 2023-07-04 | 福建新大陆自动识别技术有限公司 | Double-shooting bar code reading module with heat radiation 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20171211 |