CN102799849A - One-dimensional and two-dimensional bar code scanning compatible circuit and conversion method for handheld terminal of Internet of things - Google Patents
One-dimensional and two-dimensional bar code scanning compatible circuit and conversion method for handheld terminal of Internet of things Download PDFInfo
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- CN102799849A CN102799849A CN2012102142811A CN201210214281A CN102799849A CN 102799849 A CN102799849 A CN 102799849A CN 2012102142811 A CN2012102142811 A CN 2012102142811A CN 201210214281 A CN201210214281 A CN 201210214281A CN 102799849 A CN102799849 A CN 102799849A
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Abstract
The invention discloses a one-dimensional and two-dimensional bar code scanning compatible circuit and a one-dimensional and two-dimensional bar code scanning conversion method for a handheld terminal of an Internet of things. The compatible circuit comprises scanning heads, flexible printed circuit (FPC) connection lines and a mainboard, wherein the mainboard comprises a central processing unit (CPU) and a 12-pin connector, and the 12-pin connector communicates with the CPU; and the scanning heads are connected with the 12-pin connector through the FPC connection lines, and a mode switching pin of the 12-pin connector is connected with a scanning head power supply through a switch. When the compatible circuit is connected with the one-dimensional scanning head, the 12 pin-12 pin connection line is adopted, and a switch of the compatible circuit is cut off; and when the compatible circuit is connected with the two-dimensional scanning head, the mode switching pin of the 12-pin connector of the compatible circuit is electrically connected with a mode switching pin of a two-dimensional scanning head controller through the 30 pin-12 pin connection line, and the switch of the compatible circuit is closed at the same time. The handheld terminal of the Internet of things can simultaneously compatibilize one-dimensional and two-dimensional bar code scanning heads; and the invention has the advantages that the product is multi-functional, miniaturized, economical and applicable.
Description
[technical field]
The present invention relates to Bar Code, relate in particular to a kind of Internet of Things handheld terminal one dimension and two-dimensional bar code scanning compatible circuit and conversion method.
[background technology]
The mark that bar code is made up of one group of regularly arranged bar, sky and corresponding characters; " bar " refers to the part lower to light reflectance; " sky " refers to the part higher to light reflectance; These and the empty certain information of forming of data representation, and can distinguish by enough specific equipment, convert scale-of-two and the decimal system information compatible to computing machine.
For common bar code, need set up the corresponding relation of bar code and merchandise news through database, when the data of bar code pass on the computing machine, data are operated and handled by the application program on the computing machine.Therefore, common bar code is in use only as identifying information, and its meaning is to realize through in the database of computer system, extracting corresponding information.
Two-dimensional bar is the chequered with black and white graphic recording data symbol information that on two-dimensional directional, distributes according to certain rules with certain specific geometric figure; On coding, utilize " 0 ", the notion of " 1 " bit stream that constitutes the computer-internal logical foundations; Use several and the corresponding geometrical body of scale-of-two to represent the literal numerical information, handle automatically with realization information through image input device or photoelectric scanning device automatically identifying and reading.Therefore two-dimensional bar can express great deal of information in horizontal and vertical two orientation while expressing information in very little area.
The maximum data length of one-dimensional bar code is no more than 15 characters usually, owing to receive the restriction of the volume of information, one-dimensional bar code only can identify commodity, and can not describe commodity, therefore needs to rely on computer network and data bank.In the place that does not have data bank or inconvenience networking network, one-dimensional bar code is difficult to use.The two-dimensional bar information capacity is big; But 1850 capitalizations of outfit as many as or 2710 numerals or 1108 bytes; Higher approximately tens times than common bar code information capacity; The packets of information that can be stored in the background data base when using bar code in the past is contained in the two-dimensional bar code, so two-dimensional bar code is much lower to the dependency degree of computer network and data bank.Two-dimensional bar code has begun to obtain increasing being applied, bar code and two-dimensional bar code in industry each other and deposit.
At present, the quantity and the kind of the handheld terminal of Internet of Things field bar code identification are all a lot, and the handheld terminal of two-dimensional bar code is wanted much less relatively; But one-dimensional scanning head and two-dimensional scan header structure and inequality can't shared CCs; A shared CC how; Convert the bar code handheld terminal to the two-dimensional bar code handheld terminal easily, it is compatible to realize both, is the problem that industry need solve.
[summary of the invention]
The technical matters that the present invention will solve provides a kind of Internet of Things handheld terminal one dimension and two-dimensional bar code scanning compatible circuit that can the bar code handheld terminal be converted easily to the two-dimensional bar code handheld terminal.
The technical matters that the present invention will solve provides a kind of Internet of Things handheld terminal one dimension and two-dimensional bar code scan conversion method that can the bar code handheld terminal be converted easily to the two-dimensional bar code handheld terminal.
In order to solve the problems of the technologies described above; The technical scheme that the present invention adopts is that a kind of Internet of Things handheld terminal one dimension and two-dimensional bar code scanning compatible circuit comprise scanner head, FPC connecting line and mainboard; Described mainboard comprises CPU and 12 needle connectors, and 12 needle connector mouths are communicated by letter with CPU; Scanner head is connected with 12 needle connectors through the FPC connecting line, and the mode switch pin (DWLD) of 12 needle connectors connects the scanner head power supply through switch.
Above-described Internet of Things handheld terminal one dimension and two-dimensional bar code scanning compatible circuit, described scanner head is the one-dimensional scanning head, and described FPC connecting line is 12 pins-12 a pin connecting line, and described switch cut-offs.
Above-described Internet of Things handheld terminal one dimension and two-dimensional bar code scanning compatible circuit; Described scanner head is the two-dimensional scan head; Described FPC connecting line is 30 pins-12 a pin connecting line; The mode switch pin of 12 needle connectors is electrically connected described switch closure through 30 pins-12 pin connecting line with the mode switch pin of two-dimensional scan head controller.
Above-described Internet of Things handheld terminal one dimension and two-dimensional bar code scanning compatible circuit; The power pins of 12 needle connectors connects the scanner head power supply; Grounding pin ground connection; Receive data pin (RXD), transmission data pin (TXD), clear to send pin (CTS), ask transmission pin (RTS) to adopt serial ports to communicate by letter with CPU, scanner head is issued CPU to scan-data through serial ports; CPU gets into battery saving mode through soft switch pin (POWN) the gated sweep head of 12 needle connectors; Scanner head drives hummer and sounds through 12 needle connector buzzerphone output pins (BPR) output signal, and scan module sends auditory tone cues to main frame when scanning successfully; Scanner head shows through CS pipe driving LED pilot lamp through 12 needle connector pilot lamp control pins (DLED) output control signal; CPU connects the scanner head power supply through 12 needle connector target pattern pins (AIM); The triggering pin (TRIG) of 12 needle connectors connects mainboard scanning work button, connects low level through button and comes the trigger sweep head to get into duty.
The technical scheme of a kind of Internet of Things handheld terminal one dimension and two-dimensional bar code scan conversion method is; Use above-mentioned compatible circuit, in the time will carrying out one-dimensional scanning, scanner head is the one-dimensional scanning head; The FPC connecting line adopts 12 pins-12 pin connecting line, and the switch of compatible circuit cut-offs; In the time will carrying out two-dimensional scan; Scanner head is the two-dimensional scan head; The FPC connecting line adopts 30 pins-12 pin connecting line; Mode switch (DWLD) pin of compatible circuit 12 needle connectors is electrically connected the switch closure of compatible circuit through 30 pins-12 pin connecting line with the mode switch pin of two-dimensional scan head controller.
Internet of Things handheld terminal of the present invention is compatible one dimension and two-dimensional bar code scanner head simultaneously, is convenient to change according to user's demand.Product possess multi-functional, miniaturization is arranged, economic and practical advantage.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the circuit diagram of Internet of Things handheld terminal one dimension of the present invention and two-dimensional bar code scanning compatible circuit embodiment.
Fig. 2 is the structural drawing of Internet of Things handheld terminal one dimension of the present invention and two-dimensional bar code scanning compatible circuit embodiment 12 pins-12 pin FPC connecting line.
Fig. 3 is the structural drawing of Internet of Things handheld terminal one dimension of the present invention and two-dimensional bar code scanning compatible circuit embodiment 30 pins-12 pin FPC connecting line.
Fig. 4 is the pinout figure of the connector of Internet of Things handheld terminal one dimension of the present invention and two-dimensional bar code scanning compatible circuit embodiment two-dimensional scan decoding deck PL4507.
[embodiment]
Of the present invention Internet of Things handheld terminal one dimension and the two-dimensional bar code extremely shown in Figure 4 at Fig. 1 scan among the embodiment of compatible circuit and conversion method; When needs connection one-dimensional scanning head SE-955 carries out work; Connector J4 is connected to one-dimensional scanning head SE-955 through the FPC line of 12PIN-12PIN; Manually jumper switch S1 breaks off, and connector J4 the 1st pin (mode switch pin) is unsettled; The 2nd pin (power pins) meets power supply V_SCANNER_3V3 and is scanner head SE-955 power supply; The 3rd pin (grounding pin) ground connection, 3-7 pin (receiving data pin, transmission data pin, clear to send pin, request transmission pin) adopts 5 line serial ports to communicate by letter with host CPU, and scan module is dealt into main frame to one-dimension information through serial ports; Host CPU is through the 8th pin (soft switch pin) gated sweep SE-955 battery saving mode; Scanner head SE-955 drives hummer and sounds through the 9th pin (buzzerphone output pin) output signal, and promptly scan module sends auditory tone cues to main frame when scanning successfully; Scanner head SE-955 is through the 10th pin (pilot lamp control pin) output control signal, through CS pipe driving LED pilot lamp; Scanner head SE-955 meets scanner head power supply V_SCANNER_3V3 through the 11st pin (target pattern pin); The 12nd pin (triggering pin) connects mainboard scanning work button, connects low level through button and comes a trigger sweep SE-955 to get into duty.
When needs connection two-dimensional scan head carried out work, connector J4 was connected to two-dimensional scan headgear spare two-dimensional bar code decoding deck PL4507 and two-dimensional bar code scanner head SE4500 through the FPC line of 12PIN-30PIN.
Simultaneously, manual jumper switch S1 is closed, and connector J4 the 1st pin (mode switch pin) connects scanner head power supply V_SCANNER_3V3, is high level.Connector J4 the 1st pin is connected to the 1st pin (mode switch pin) of the connector J1 of two-dimensional scan decoding deck PL4507 through the FPC line of 12PIN-30PIN; The 1st pin of the connector J1 of PL4507 (mode switch pin) is when being high level; Get into the scan function pattern, to satisfy the job requirement of two-dimensional bar code scanner head SE4500; The 1st pin of the connector J1 of PL4507 (mode switch pin) is the burning pattern when being low level.Other peripheral circuit principles and above-mentioned one-dimensional scanning circuit are identical.
The corresponding connection with connector J4 of 1-12 port as shown in Figure 4, as only need to use the PL4507 decoding deck just can realize the two-dimensional scan function, the function of PL4507 13-30 port can, as the reservation of other functions.
Manually jumper switch S1 can use and jump the cap replacement.
Claims (5)
1. Internet of Things handheld terminal one dimension and two-dimensional bar code scanning compatible circuit is characterized in that comprise scanner head, FPC connecting line and mainboard, described mainboard comprises CPU and 12 needle connectors, and 12 needle connector mouths are communicated by letter with CPU; Scanner head is connected with 12 needle connectors through the FPC connecting line, and the mode switch pin of 12 needle connectors connects the scanner head power supply through switch.
2. Internet of Things handheld terminal one dimension according to claim 1 and two-dimensional bar code scanning compatible circuit is characterized in that described scanner head is the one-dimensional scanning head, and described FPC connecting line is 12 pins-12 a pin connecting line, and described switch cut-offs.
3. Internet of Things handheld terminal one dimension according to claim 1 and two-dimensional bar code scanning compatible circuit; It is characterized in that; Described scanner head is the two-dimensional scan head; Described FPC connecting line is 30 pins-12 a pin connecting line, and the mode switch pin of 12 needle connectors is electrically connected described switch closure through 30 pins-12 pin connecting line with the mode switch pin of two-dimensional scan head controller.
4. Internet of Things handheld terminal one dimension according to claim 1 and two-dimensional bar code scanning compatible circuit; It is characterized in that; The power pins of 12 needle connectors connects the scanner head power supply; Grounding pin ground connection receives data pin, transmission data pin, clear to send pin, asks the transmission pin to adopt serial ports to communicate by letter with CPU, and scanner head is issued CPU to scan-data through serial ports; CPU gets into battery saving mode through the soft switch pin gated sweep head of 12 needle connectors; Scanner head drives hummer and sounds through 12 needle connector buzzerphone output pins output signal, and scan module sends auditory tone cues to main frame when scanning successfully; Scanner head shows through CS pipe driving LED pilot lamp through 12 needle connector pilot lamp control pin output control signal; CPU connects the scanner head power supply through 12 needle connector target pattern pins; The triggering pin of 12 needle connectors connects mainboard scanning work button, connects low level through button and comes the trigger sweep head to get into duty.
5. Internet of Things handheld terminal one dimension and two-dimensional bar code scan conversion method is characterized in that, use the described compatible circuit of claim 1; In the time will carrying out one-dimensional scanning; Scanner head is the one-dimensional scanning head, and the FPC connecting line adopts 12 pins-12 pin connecting line, and the switch of compatible circuit cut-offs; In the time will carrying out two-dimensional scan; Scanner head is the two-dimensional scan head; The FPC connecting line adopts 30 pins-12 pin connecting line, and the mode switch pin of compatible circuit 12 needle connectors is electrically connected the switch closure of compatible circuit through 30 pins-12 pin connecting line with the mode switch pin of two-dimensional scan head controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214281.1A CN102799849B (en) | 2012-06-27 | 2012-06-27 | One-dimensional and two-dimensional bar code scanning compatible circuit and conversion method for handheld terminal of Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210214281.1A CN102799849B (en) | 2012-06-27 | 2012-06-27 | One-dimensional and two-dimensional bar code scanning compatible circuit and conversion method for handheld terminal of Internet of things |
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| CN102799849A true CN102799849A (en) | 2012-11-28 |
| CN102799849B CN102799849B (en) | 2015-05-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116736A (en) * | 2013-01-22 | 2013-05-22 | 北京屏芯科技有限公司 | Wireless inventory device and method |
| CN103997603A (en) * | 2014-03-25 | 2014-08-20 | 苏州吉视电子科技有限公司 | Configuring method of intelligent camera |
| CN104537332A (en) * | 2015-01-06 | 2015-04-22 | 成都艺辰德迅科技有限公司 | Internet-of-Things information scanning device in goods sale machine |
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| CN201126576Y (en) * | 2007-08-10 | 2008-10-01 | 北京戈德利邦科技有限公司 | Hand-hold bar code data collector based on wireless communication mode |
| CN202080455U (en) * | 2011-04-28 | 2011-12-21 | 长沙汇一制药机械有限公司 | Gas sealing device for large infusion vacuumizing nitrogen filling machine |
| CN202093527U (en) * | 2011-05-19 | 2011-12-28 | 北京吉码科技有限公司 | Mini-sized embedded two-dimensional barcode scanning image module with low power consumption |
| CN202736066U (en) * | 2012-06-27 | 2013-02-13 | 深圳奥士达电子有限公司 | One-dimensional and two-dimensional barcode scanning compatible circuit for handheld terminal of Internet of things |
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2012
- 2012-06-27 CN CN201210214281.1A patent/CN102799849B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201126576Y (en) * | 2007-08-10 | 2008-10-01 | 北京戈德利邦科技有限公司 | Hand-hold bar code data collector based on wireless communication mode |
| CN202080455U (en) * | 2011-04-28 | 2011-12-21 | 长沙汇一制药机械有限公司 | Gas sealing device for large infusion vacuumizing nitrogen filling machine |
| CN202093527U (en) * | 2011-05-19 | 2011-12-28 | 北京吉码科技有限公司 | Mini-sized embedded two-dimensional barcode scanning image module with low power consumption |
| CN202736066U (en) * | 2012-06-27 | 2013-02-13 | 深圳奥士达电子有限公司 | One-dimensional and two-dimensional barcode scanning compatible circuit for handheld terminal of Internet of things |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116736A (en) * | 2013-01-22 | 2013-05-22 | 北京屏芯科技有限公司 | Wireless inventory device and method |
| CN103997603A (en) * | 2014-03-25 | 2014-08-20 | 苏州吉视电子科技有限公司 | Configuring method of intelligent camera |
| CN104537332A (en) * | 2015-01-06 | 2015-04-22 | 成都艺辰德迅科技有限公司 | Internet-of-Things information scanning device in goods sale machine |
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| CN102799849B (en) | 2015-05-13 |
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Effective date of registration: 20171030 Address after: 5 building 4019, building B, Astronautics Hotel, Shennan Avenue, Shenzhen, Guangdong, Futian District, 518000 Patentee after: Aerospace Science & Industry Shenzhen (Group) Co., Ltd. Address before: No. four building, 518000 Roth way of cross Guangdong city of Shenzhen province Futian District Meilin Industrial Zone 2 floor Patentee before: Shenzhen Ostar Electronic Co., Ltd. |
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