CN103400098A - Scanning device and scanning method for scanning bar code invoice - Google Patents
Scanning device and scanning method for scanning bar code invoice Download PDFInfo
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- CN103400098A CN103400098A CN2013103180105A CN201310318010A CN103400098A CN 103400098 A CN103400098 A CN 103400098A CN 2013103180105 A CN2013103180105 A CN 2013103180105A CN 201310318010 A CN201310318010 A CN 201310318010A CN 103400098 A CN103400098 A CN 103400098A
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Abstract
The invention discloses a scanning device and a scanning method for a bar code invoice, which are used for scanning a bar code of the bar code invoice. The scanning device comprises a scanning module, a signal shaping module and a decode outputting module, wherein the scanning module is used for optically scanning a bar code sign of the bar code invoice and converting an optical signal of a bar code and bar blank pattern into an electric signal; the signal shaping module is used for amplifying the electric signal generated by the scanning module through a circuit to generate an analog signal and filtering and shaping the analog signal to form a square wave signal corresponding to the analog signal; the decode outputting module is used for interpreting the square wave signal formed by the signal shaping module into a digital signal which can be directly accepted by a computer. According to the scanning device and the scanning method disclosed by the invention, the scanning for bar codes in notes such as various bar code invoices, air tickets, train tickets and bus tickets is realized, the authenticity of the invoices can be detected, financial reimbursement, accounting and auditing of users are facilitated, financial management of the users is enabled to become efficient and accurate and the consumption of labor force and financial resources is reduced.
Description
Technical field
The present invention, about a kind of scanister and method, particularly relates to a kind of bar code invoice scanister and method.
Background technology
Bar code scanner is just like doffer formula barcode scanner, CCD reader, laser scanner, platform-type barcode scanner and video type ruddiness bar-code reader etc. in the market, they are widely used in a plurality of fields such as business POS POS, express delivery warehouse logistics, books clothes medicine, Bank Insurance communication, but they can only be used for scanning the bar code that extensive stock and logistics are passed soon, also be not applied to the invoice field, can't the bar code on invoice be scanned.Enterprises and institutions' financial management at present or manual reimbursement, accounting, cause workload large, and efficiency is low, adjusts simultaneously accuracy rate also lower.Therefore, be necessary to propose a kind of bar code invoice scanning technique in fact, bar code scanner is applied to scan process bar code invoice, enter the financial management field, the both hands of thorough liberation high-ranking accountant, improve financial management efficiency energetically.
Summary of the invention
The deficiency that exists for overcoming above-mentioned prior art, the present invention's purpose is to provide a kind of bar code invoice scanister and method, it has successfully solved the problem of carrying out financial accounting according to bar code scanning result in invoice, user friendly finance reimbursement, accounting and audit, significantly improve financial management efficiency, accuracy, reduce expending of manpower and financial resources, realize in the short time processing a large amount of financial accounting and audit, reduce omission and the miscalculation of financial accounting.
For reaching above-mentioned and other purpose, the present invention proposes a kind of bar code invoice scanister, is used for the bar code of scanning bar code invoice, comprises at least:
Scanning module, be used for the bar code symbol of this bar code invoice is carried out optical scanning, and the light signal of bar code-bar empty graph case be converted to electric signal;
The signal shaping module, the electric signal that this scanning module is produced produces a simulating signal after oversampling circuit amplifies, then passes through filtering, shaping, forms the square-wave signal corresponding with this simulating signal;
Decoding output module, the square-wave signal that this signal shaping module is formed is interpreted as the digital signal that computing machine can directly be accepted.
Further, this scanister comprises optical system and photoelectric commutator, and this scanister utilizes optical system to complete optical scanning to bar code symbol, and by this photoelectric commutator, the light signal of bar code-bar empty graph case is converted into electric signal.
Further, the light that the light source of this scanister sends is assembled and is formed scanning spot through lens, with an angle of 90 degrees degree, shines bar code symbol.
Further, this signal shaping module is treated as the optoelectronic scanning signal of this bar code symbol the square-wave signal of normal potential, and the empty size of the width of its high-low level and the bar of this bar code symbol is corresponding.
Further, the decode procedure of this decoding output module comprises that pulse width is processed in recording impulse width, comparative analysis and program is differentiated.
Further, this scanister also comprises twists with the fingers ticket member, running part and the member of drawing a bill, the bar code invoice that this sth. made by twisting ticket member is used for scanning is twisted with the fingers out one by one and is delivered to travelling belt, this running part adopts single motor or Dual-motors Driving, drive travelling belt, delivery wheel by motor, power is flowed to each transmission shaft, and this member of drawing a bill is mainly by the rotation of two power wheels, and the bar code invoice of drive on travelling belt moves to and connect the ticket groove.
Further, this sth. made by twisting ticket member utilization stranding invoice wheel carries out invoice with the separating pad acting in conjunction to be separated, and utilizes a shelves invoice structure to prevent that invoice from not lining up or misplacing.
For reaching above-mentioned and other purpose, the present invention also provides a kind of scan method of bar code invoice scanister, comprises the steps:
Step 3, after amplification, filtering, shaping, form the square-wave signal corresponding with simulating signal with this electric signal;
Further, in step 2, the light that is sent by light source passes through irradiation optical system to the bar code symbol of bar code, and the light that is reflected back on this photoelectric commutator, makes it to produce electric signal through this optical system imaging.
Further, in step 3, this electric signal after amplification, filtering, shaping, is become this Electric signal processing the square-wave signal of normal potential, the empty size of the width of its high-low level and the bar of bar code symbol is corresponding.
Compared with prior art, the present invention's a kind of bar code invoice scanister and scan method are by the gordian technique of the inner structure of employing scanner system principle, signal shaping principle, photoelectric conversion principle and decoding principle and bar code scanner, realized the bar code in various bar code invoices is scanned, and can detect true from false of bills, facilitated user's finance reimbursement, accounting and audit, made user's financial management efficient, accurate and low-cost.
Description of drawings
Fig. 1 is the schematic diagram of the present invention's the scanister bar code invoice that will scan;
Fig. 2 is the schematic diagram of the bar code in the bar code invoice of Fig. 1;
Fig. 3 is the schematic diagram of the security code in the bar code invoice of Fig. 1;
Fig. 4 is the system architecture schematic diagram of a kind of bar code invoice of the present invention scanister;
Fig. 5 is the inner structure schematic diagram of the present invention's bar code invoice scanister;
Fig. 6 twists with the fingers the structural representation of ticket member in preferred embodiment of the present invention;
Fig. 7 is the structural representation of member of drawing a bill in preferred embodiment of the present invention;
Fig. 8 is the three-dimensional entity model figure of bar code invoice scanister in preferred embodiment of the present invention;
Fig. 9 is the flow chart of steps of the scan method of a kind of bar code scanner of the present invention;
Figure 10 is the groundwork process flow diagram of bar code invoice scanister in preferred embodiment of the present invention.
Embodiment
Below by specific instantiation and accompanying drawings embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented or be applied by other different instantiation, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change not deviating under spirit of the present invention.
Before introducing the present invention, the bar code invoice that first under simple the introduction, the present invention's scanister scans.Fig. 1 is the schematic diagram of the present invention's the scanister bar code invoice that will scan, and Fig. 2 is the schematic diagram of the bar code in the bar code invoice of Fig. 1, and Fig. 3 is the schematic diagram of the security code in the bar code invoice of Fig. 1.The simple analysis that as following table 1 is each code in the bar code of Fig. 1 is described.
In table 1 bar code, the simple analysis of each code is described
Fig. 4 is the system architecture schematic diagram of a kind of bar code invoice of the present invention scanister.As shown in Figure 4, a kind of bar code invoice of the present invention scanister comprises at least: scanning module 40, signal shaping module 41 and decoding output module 42.
Wherein scanning module 40 comprises optical system and detector (being photoelectric commutator), and it completes the optical scanning to bar code symbol, and by photodetector, the light signal of bar code-bar empty graph case is converted into electric signal.During recognition, the light that the light source of scanner sends assemble to form scanning spot through lens, with 90 ° of angular illumination to bar code.The size of actual scanning luminous point has determined resolution, the fillet symbol width value that can correctly read in.Specifically, the light that is sent by light source passes through irradiation optical system above bar code symbol, and the light that is reflected back on photoelectric commutator, makes it to produce electric signal through optical system imaging.It should be noted that at this, the light signal that receives need to convert electric signal to through photoelectric commutator, the signal frequency of hand-held gun formula scanning recognizer is tens kilo hertzs and arrives the hundreds of kilohertz, generally adopts silicon photocell, photodiode and phototriode as electrooptical device.
Signal shaping module 41 produces an aanalogvoltage (simulating signal) with the electric signal that scanning module 40 produces after oversampling circuit amplifies, it to shine bar code symbol on the light that is reflected back be directly proportional, pass through again filtering, shaping, form the square-wave signal corresponding with simulating signal; 42 square-wave signals that signal shaping module 41 is formed of decoding output module are interpreted as the digital signal that computing machine can directly be accepted.
Specifically, signal shaping module 41 comprises signal amplification module 410, filtration module 411 and waveform-shaping module 412, its function is the optoelectronic scanning signal of bar code is treated as the square-wave signal of normal potential, the empty size of the width of its high-low level and the bar of bar code symbol is corresponding, so just can count by the time that high-low level continues.Decoding output module 42 generally is comprised of embedded microprocessor, and its function is exactly that the square-wave signal of bar code is carried out decoding, and its result outputs to data terminal in bar code invoice scanister institute application system by interface circuit.
Decoding output module 42 width value empty according to the bar after quantizing carries out decoding, by decoding unit, translates wherein contained information, then by interface circuit, outputs to data terminal (as computing machine).At this, decoding comprises following process:
A recording impulse width
Pulse width is processed in the B comparative analysis
C program is differentiated
Fig. 5 is the inner structure schematic diagram of the present invention's bar code invoice scanister.As shown in Figure 5, the present invention's bar code invoice scanister, its inner structure comprises twists with the fingers ticket member, running part, draw a bill member and electronic circuit part, wherein, twist with the fingers the ticket member and twist with the fingers out one by one for the bar code invoice that will scan, its structure as shown in Figure 6, is similar to the sth. made by twisting paper money part of paper money counter of the prior art due to the structure major part of this sth. made by twisting ticket member, do not repeat them here, at this, difference part only is described.In the present invention, it is that its principle is between invoice by rubbing invoice wheel and separating pad acting in conjunction with the hands that the invoice of bar code invoice separates, and between invoice and stranding invoice wheel, and the friction between invoice and separating pad is different.When rubbing the invoice wheel with the hands and sending invoice mechanism to send invoice under driving, invoice has just been entered.Gear invoice mechanism prevents from when the folded invoice from putting in not lining up, and has perhaps let slip position., because each user's hand-power amount is different, can increase the chance that multiple invoices are sent to simultaneously like this.Separating pad, in fact more than one, is sent in process at invoice, also has one group of separating pad and guarantees once can only send to an invoice.All can get a half-way house when usually designing, guarantee neither can once advance multiple invoices, also the situation that invoice can't get into can not occur.In Fig. 6, the 1st, separating pad 2 is gear invoice mechanisms.
Running part adopts single motor or Dual-motors Driving, by motor, drives travelling belt, delivery wheel, and power is flowed to each transmission shaft.Draw a bill member mainly by the rotation of two power wheels, and the invoice of drive on travelling belt moves to and connects the ticket groove.The speed of ticket motion, the speed of running that can be by adjusting power wheel, as shown in Figure 7.
Electronic circuit partly for by main control part, sensor element, drive the monolithic processor controlled system that lamp assembly, power panel etc. form, by a plurality of interfaces purple light, magnetic, infrared penetrating.Normal ticket is received at each sensor in normally checking signal carries out statistical sampling, identification, and deposits, as the foundation that detects.When checking ticket, the signal parameter that receives at each channel interface and the former signal parameter of depositing are compared, judge,, if when notable difference is arranged but send immediately alerting signal and the motor of stopping, send simultaneously corresponding signal prompt.Fig. 8 is the three-dimensional entity model figure of bar code invoice scanister in preferred embodiment of the present invention.
Fig. 9 is the flow chart of steps of the scan method of a kind of bar code scanner of the present invention.As shown in Figure 9, the scan method of a kind of bar code scanner of the present invention, comprise the steps:
Step 901, receive a bar code invoice;
Step 902, the bar code symbol that utilizes optical system to complete this bar code invoice carries out optical scanning, and by photodetector, the light signal of the bar code-bar empty graph case of bar code invoice is converted into electric signal;
Step 903, after amplification, filtering, shaping, form the square-wave signal corresponding with simulating signal with this electric signal;
Step 904, carry out decoding to the square-wave signal that forms, and by interface circuit, result outputed to data terminal.
In step 902, the light that is sent by light source passes through irradiation optical system above the bar code symbol of bar code, and the light that is reflected back on photoelectric commutator, makes it to produce electric signal through optical system imaging.
Better, in step 903, this electric signal after amplification, filtering, shaping, being become this Electric signal processing the square-wave signal of normal potential, the empty size of the width of its high-low level and the bar of bar code symbol is corresponding.
Figure 10 is the groundwork process flow diagram of bar code invoice scanister in preferred embodiment of the present invention.As shown in figure 10, in preferred embodiment of the present invention, the light that is sent by light source passes through irradiation optical system above bar code symbol, the light process optical system imaging that is reflected back is on photoelectric commutator, make it to produce the electric signal of simulation, signal produces an aanalogvoltage (simulating signal) after oversampling circuit amplifies, it to shine bar code symbol on the light that is reflected back be directly proportional, pass through again filtering, shaping, form the square-wave signal corresponding with simulating signal, through code translator, be interpreted as the digital signal that computing machine can directly be accepted.
In sum, the present invention's a kind of bar code invoice scanister and scan method are by the gordian technique of the inner structure of employing scanner system principle, signal shaping principle, photoelectric conversion principle and decoding principle and bar code scanner, realized the bar code in various bar code invoices is scanned, and can detect true from false of bills, facilitated user's finance reimbursement, accounting and audit, made user's financial management efficient, accurate and and low-cost.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any those skilled in the art all can, under spirit of the present invention and category, modify and change above-described embodiment.Therefore, the scope of the present invention, should be as listed in claims.
Claims (10)
1. bar code invoice scanister, be used for the bar code of scanning bar code invoice, comprises at least:
Scanning module, be used for the bar code symbol of this bar code invoice is carried out optical scanning, and the light signal of bar code-bar empty graph case be converted to electric signal;
The signal shaping module, the electric signal that this scanning module is produced produces a simulating signal after oversampling circuit amplifies, then passes through filtering, shaping, forms the square-wave signal corresponding with this simulating signal;
Decoding output module, the square-wave signal that this signal shaping module is formed is interpreted as the digital signal that computing machine can directly be accepted.
2. a kind of bar code invoice scanister as claimed in claim 1, it is characterized in that: this scanister comprises optical system and photoelectric commutator, this scanister utilizes optical system to complete optical scanning to bar code symbol, and by this photoelectric commutator, the light signal of bar code-bar empty graph case is converted into electric signal.
3. a kind of bar code invoice scanister as claimed in claim 2 is characterized in that: the light that the light source of this scanister sends is assembled and is formed scanning spot through lens, with 90 ° of angular illumination to bar code symbol.
4. a kind of bar code invoice scanister as claimed in claim 1, it is characterized in that: this signal shaping module is treated as the optoelectronic scanning signal of this bar code symbol the square-wave signal of normal potential, and the empty size of the width of its high-low level and the bar of this bar code symbol is corresponding.
5. a kind of bar code invoice scanister as claimed in claim 1 is characterized in that: the decode procedure of this decoding output module comprises that pulse width is processed in recording impulse width, comparative analysis and program is differentiated.
6. a kind of bar code invoice scanister as claimed in claim 1, it is characterized in that: this scanister also comprises twists with the fingers ticket member, running part and the member of drawing a bill, the bar code invoice that this sth. made by twisting ticket member is used for scanning is twisted with the fingers out one by one and is delivered to travelling belt, this running part adopts single motor or Dual-motors Driving, drive travelling belt, delivery wheel by motor, power is flowed to each transmission shaft, this member of drawing a bill is mainly by the rotation of two power wheels, and the bar code invoice of drive on travelling belt moves to and connect the ticket groove.
7. a kind of bar code invoice scanister as claimed in claim 6 is characterized in that: this sth. made by twisting ticket member utilization is rubbed invoice wheel with the hands and is carried out invoice with the separating pad acting in conjunction and separates, and a utilization grade invoice structure prevents that invoice from not lining up or misplacing.
8. the scan method of a bar code invoice scanister, comprise the steps:
Step 1, receive a bar code invoice;
Step 2, utilize optical system to carry out optical scanning to the bar code symbol of this bar code invoice, and by photoelectric commutator, the light signal of the bar code-bar empty graph case of bar code invoice be converted into electric signal;
Step 3, after amplification, filtering, shaping, form the square-wave signal corresponding with simulating signal with this electric signal;
Step 4, carry out decoding to the square-wave signal that forms, and by interface circuit, result outputed to data terminal.
9. the scan method of a kind of bar code invoice scanister as claimed in claim 8, it is characterized in that: in step 2, the light that is sent by light source passes through irradiation optical system to the bar code symbol of bar code, the light that is reflected back on this photoelectric commutator, makes it to produce electric signal through this optical system imaging.
10. the scan method of a kind of bar code invoice scanister as claimed in claim 8, it is characterized in that: in step 3, with this electric signal after amplification, filtering, shaping, this Electric signal processing is become the square-wave signal of normal potential, the empty size of the width of its high-low level and the bar of bar code symbol is corresponding.
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| CN105354605A (en) * | 2015-08-31 | 2016-02-24 | 上海广生行母婴用品股份有限公司 | Manufacturing method and scanning apparatus for barcode invoices |
| US9288358B2 (en) | 2014-01-30 | 2016-03-15 | Fuji Xerox Co., Ltd. | Document management system, document management device, and non-transitory computer readable medium |
| CN105894074A (en) * | 2016-04-15 | 2016-08-24 | 大连声鹭科技有限公司 | Anti-counterfeiting bar code label, anti-counterfeiting bar code label information acquisition device, acquisition method, and anti-counterfeiting verification system |
| CN106066983A (en) * | 2016-07-11 | 2016-11-02 | 深圳市兴通物联科技有限公司 | Laser bar code scanning signal processing circuit and laser bar code scanning device |
| CN107729786A (en) * | 2017-10-31 | 2018-02-23 | 珠海市美瑞华医用科技有限公司 | A kind of bar shaped code input system of intelligent control fluid delivery apparatus |
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| CN108647541A (en) * | 2018-04-24 | 2018-10-12 | 深圳大学 | A kind of bar code scan chip and scan method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605997A (en) * | 2013-11-27 | 2014-02-26 | 上海电机学院 | Bar-code invoice scanning and accounting machine |
| CN104700305A (en) * | 2013-12-05 | 2015-06-10 | 航天信息股份有限公司 | Method for acquiring two-dimensional code from optional input frame of Android platform |
| US9288358B2 (en) | 2014-01-30 | 2016-03-15 | Fuji Xerox Co., Ltd. | Document management system, document management device, and non-transitory computer readable medium |
| AU2014268149B2 (en) * | 2014-01-30 | 2016-07-07 | Fujifilm Business Innovation Corp. | Document management system, document management device, and document management program |
| CN105354605A (en) * | 2015-08-31 | 2016-02-24 | 上海广生行母婴用品股份有限公司 | Manufacturing method and scanning apparatus for barcode invoices |
| CN105894074A (en) * | 2016-04-15 | 2016-08-24 | 大连声鹭科技有限公司 | Anti-counterfeiting bar code label, anti-counterfeiting bar code label information acquisition device, acquisition method, and anti-counterfeiting verification system |
| CN106066983A (en) * | 2016-07-11 | 2016-11-02 | 深圳市兴通物联科技有限公司 | Laser bar code scanning signal processing circuit and laser bar code scanning device |
| CN107729786A (en) * | 2017-10-31 | 2018-02-23 | 珠海市美瑞华医用科技有限公司 | A kind of bar shaped code input system of intelligent control fluid delivery apparatus |
| CN107729786B (en) * | 2017-10-31 | 2024-02-06 | 珠海市美瑞华医用科技有限公司 | Bar code input system of intelligent control infusion device |
| CN108647541A (en) * | 2018-04-24 | 2018-10-12 | 深圳大学 | A kind of bar code scan chip and scan method |
| CN108647541B (en) * | 2018-04-24 | 2021-05-04 | 深圳大学 | Bar code scanning chip and scanning method |
| CN108647759A (en) * | 2018-07-02 | 2018-10-12 | 深圳市诺信连接科技有限责任公司 | A kind of file management system and method |
| CN112183146A (en) * | 2019-07-13 | 2021-01-05 | 迅镭智能（广州）科技有限公司 | Bar code scanning method, device, scanning system and storage medium |
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Application publication date: 20131120 |