CN210721626U

CN210721626U - Invoice anti-counterfeiting information printing quality detector

Info

Publication number: CN210721626U
Application number: CN201922326586.1U
Authority: CN
Inventors: 陈伟
Original assignee: GUANGDONG HENGLI INFORMATION TECHNOLOGY CO LTD
Current assignee: GUANGDONG HENGLI INFORMATION TECHNOLOGY CO LTD
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-09
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an invoice anti-fake information printing quality detector, it includes the casing and sets up information figure code detection sensor and microcontroller in the casing, microcontroller includes decoding circuit, figure discrimination circuit and output control circuit, microcontroller drive information figure code detection sensor gathers the information figure code anti-fake characteristic who detects the invoice, information figure code anti-fake characteristic decodes and judges through figure discrimination circuit through decoding circuit, figure discrimination circuit's discrimination result is exported through output control circuit. The utility model discloses can be through simple operation with regard to the true and false of inspection invoice, convenient to carry simultaneously cooperates different embedded software, can be applicable to printing factory, tax bureau respectively.

Description

Invoice anti-counterfeiting information printing quality detector

Technical Field

The utility model relates to an optics means detects technical field, concretely relates to invoice anti-fake information printing quality detector.

Background

The invoice is an important accounting document reflecting economic activities of a taxpayer and is a legal certificate which is used for simultaneously recording tax liabilities of a selling party and input taxes of a purchasing party, and the behavior of making and selling counterfeit invoices by using illegal means disturbs the normal economic order of the country and brings troubles to the production and management of the taxpayer and the management of a tax authority. In order to prevent the loss and influence caused by the counterfeiting behavior, the invoice adopts various anti-counterfeiting measures with high technical content during the design, the information graphic coding anti-counterfeiting characteristic is the anti-counterfeiting characteristic adopted by one kind of invoices, the information graphic coding anti-counterfeiting characteristic is that different coding graphics are formed by combining dot graphics through different dot matrixes by adopting special coding software, the coding graphics are printed on the surface of the invoice in a hidden mode by using special anti-counterfeiting ink after micro plate making, each coding graphic represents one group of information, different invoices adopt different coding graphics which have independent identity characteristics, and the invoice has extremely high anti-counterfeiting strength due to the complexity and invisibility of the information coding graphics. However, a mass production detection tool which can detect the anti-counterfeiting characteristics of the information graphic codes by simple operation and has low price and portability is lacked at present.

Disclosure of Invention

Not enough to prior art, the utility model provides an invoice anti-fake information printing quality detector, it can be through simple operation with regard to the true and false of inspection invoice, and convenient to carry simultaneously can be applied to various scenes in a flexible way.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the anti-counterfeiting invoice information printing quality detector comprises a shell, an information graphic code detection sensor and a microcontroller, wherein the information graphic code detection sensor and the microcontroller are arranged in the shell, the microcontroller comprises a decoding circuit, a graphic discrimination circuit and an output control circuit, the microcontroller drives the information graphic code detection sensor to acquire the information graphic code anti-counterfeiting feature of an invoice to be detected, the information graphic code anti-counterfeiting feature is decoded by the decoding circuit and judged by the graphic discrimination circuit, and the discrimination result of the graphic discrimination circuit is output by the output control circuit.

The invoice anti-counterfeiting information printing quality detector further comprises an audio decoding circuit, an audio amplifying circuit and a loudspeaker, wherein the judgment result of the output control circuit is decoded by the audio decoding circuit, amplified by the audio amplifying circuit and output by the loudspeaker.

The invoice anti-counterfeiting information printing quality detector is characterized in that the graph distinguishing circuit is connected with a data encryption and decryption circuit, and the data encryption and decryption circuit is connected with a memory.

The invoice anti-counterfeiting information printing quality detector is characterized in that the output control circuit is connected with a working indicator lamp through an indicator lamp driving circuit.

The invoice anti-counterfeiting information printing quality detector is characterized in that the microcontroller is connected with a power supply through a power management circuit, a voltage stabilizing filter circuit is further arranged between the microcontroller and the power management circuit, the power supply is further connected with a charging circuit, and the charging circuit is connected with a USB charging interface circuit.

Compared with the prior art, the utility model, its beneficial effect lies in: the utility model has simple operation and convenient carrying, and can be flexibly applied to various scenes; the utility model discloses after obtaining the testing result, discrimination accessible pronunciation read out, do not need observation device screen or other pilot signal, have improved the efficiency that the invoice detected greatly and optimized user experience.

Drawings

FIG. 1 is a schematic circuit diagram of an invoice anti-counterfeiting information printing quality detector according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the invoice anti-counterfeiting information printing quality detector according to an embodiment of the present invention, wherein fig. 2(a) is a front view of the detector, and fig. 2(b) is a left view of the detector;

fig. 3 is a circuit diagram of a microcontroller according to an embodiment of the present invention;

fig. 4 is a circuit diagram of an information pattern code detection sensor according to an embodiment of the present invention;

fig. 5 is a circuit diagram of an audio amplification circuit and a speaker according to an embodiment of the present invention;

fig. 6 is a circuit diagram of a NAND Flash memory according to an embodiment of the present invention;

fig. 7 is a circuit diagram of a power management circuit and a connection circuit thereof according to an embodiment of the present invention;

fig. 8 is a circuit diagram of an indicator light driving circuit according to an embodiment of the present invention.

Wherein: 1. a restart button; 2. volume-button; 3. volume + button; 4. a power button; 5. a work indicator light; 6. a charging indicator light; 7. capping; 8. a USB charging interface; 100. a microcontroller; 101. a CMOS infrared sensor drive circuit; 102. a CMOS infrared sensor power supply circuit; 103. a CMOS infrared sensor interface circuit; 104. an audio amplification circuit; 105. a speaker; 106. a NAND Flash memory; 107. a charging circuit; 108. a USB charging interface circuit; 109. a power management circuit; 110. a voltage stabilizing filter circuit; 111. a reset circuit; 112. an indicator light driving circuit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example (b):

referring to fig. 1 to 8, the invoice anti-counterfeiting information printing quality detector comprises a shell, and an information graphic coding detection sensor and a microcontroller 100 arranged in the shell. Fig. 2 is a schematic structural diagram of the invoice anti-counterfeiting information printing quality detector, the detector is integrally in a pen shape, the pen point at the lower end of the detector is a detection head, the detector is further provided with a cap 7 to protect the detection head, a volume + button 3 and a volume-button 2 are arranged above a front panel of the detector, a power button 4 is arranged in the middle of the detector, a work indicator lamp 5 and a charging indicator lamp 6 are arranged below the detector, and a USB charging interface 8 and a restart button 1 are arranged on the left side of the detector. The microcontroller 100 is integrated with a decoding circuit, a graph discrimination circuit and an output control circuit, as shown in fig. 1, the microcontroller 100 drives the information graph coding detection sensor to acquire the information graph coding anti-counterfeiting feature of the invoice to be detected, the information graph coding anti-counterfeiting feature is decoded by the decoding circuit and judged by the graph discrimination circuit, and the discrimination result of the graph discrimination circuit is output by the output control circuit. The information pattern coding detection sensor comprises a CMOS infrared camera sensor, a CMOS infrared sensor interface circuit 103, a CMOS infrared sensor driving circuit 101 and a CMOS infrared sensor power supply circuit 102 for independently supplying power, wherein the model of the CMOS infrared camera sensor is GC300A-24, and a specific circuit is shown in FIG. 4.

The working principle of the detector is as follows: the microcontroller 100 drives the information graphic code detection sensor to acquire the information graphic code anti-counterfeiting feature of the invoice to be detected, the working principle of the information graphic code detection sensor is to utilize a COMS infrared image acquisition circuit to acquire the information graphic code anti-counterfeiting feature, the information graphic code anti-counterfeiting feature is generally different in lattice combination to form different code graphics, the code graphics are decoded through a decoding circuit and judged through a graphic judgment circuit, the judgment result of the graphic judgment circuit is output through an output control circuit, the identification of the invoice is finally output through the output control circuit through the acquisition of the information graphic code detection sensor and the judgment of the graphic judgment circuit, and the identification of the invoice is realized.

Further, the invoice detection device further comprises an audio decoding circuit, an audio amplifying circuit 104 and a loudspeaker 105, wherein the audio decoding circuit is integrated in the microcontroller 100, the audio amplifying circuit 104 and the loudspeaker 105 are shown in fig. 5, the judgment result of the output control circuit is decoded through the audio decoding circuit, then the judgment result is output through the loudspeaker 105 after being amplified by the power of the audio amplifying circuit 104, a user can obtain an audio reading result in time without detecting, an equipment screen or other indication signals do not need to be observed, the invoice detection efficiency is greatly improved, the user experience is optimized, and the volume of the loudspeaker 105 can be adjusted through the volume + button 3 and the volume-button 2.

Further, the graph distinguishing circuit is connected with a data encryption and decryption circuit, the data encryption and decryption circuit is connected with a memory, the memory is preferably a NAND Flash memory 106, a chip of the NAND Flash memory 106 is as shown in fig. 7, the NAND Flash memory 106 stores correct information graph codes and information contents corresponding to the information graph codes, the data encryption and decryption circuit is used for preventing the information graph codes and the information contents corresponding to the information graph codes from being maliciously tampered, the graph distinguishing circuit compares the information graph codes acquired by the information graph code detecting sensor with the information graph codes stored in the NAND Flash memory 106 in correct amount, and simultaneously decrypts the information contents corresponding to the information graph codes and compares the information contents acquired by the information graph decoding.

Further, the output control circuit is connected with a work indicator lamp 5 through an indicator lamp driving circuit 112, when the device works normally, the work indicator lamp 5 is normally on to indicate that the device works normally, and the indicator lamp driving circuit 112 is shown in fig. 8.

Further, microcontroller 100 is connected with power supply through power management circuit 109, power supply is the lithium cell commonly used, still be equipped with steady voltage filter circuit 110 between microcontroller 100 and the power management circuit 109, power supply still is connected with charging circuit 107, charging circuit 107 is connected with the 8 circuit circuits of USB interface that charges, steady voltage filter circuit 110 is used for filtering direct current voltage's alternating current composition and guarantees output voltage's stability, power supply provides the necessary electric energy of work for microcontroller 100 through power management circuit 109, the reading sign indicating number ware has the USB function of charging simultaneously, can utilize the USB interface commonly used at present to charge for equipment. The USB interface also provides interface functionality for subsequent firmware upgrades of the device. The power management circuit 109 is also connected with a charging indicator lamp 6 for identifying charging. The power management circuit 109 is also connected to a reset circuit 111, which is triggerable by the reset button 1, and the power management circuit 109 and its connection circuit are as shown in fig. 7.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The anti-counterfeiting invoice information printing quality detector is characterized by comprising a shell, an information graphic code detection sensor and a microcontroller, wherein the information graphic code detection sensor and the microcontroller are arranged in the shell, the microcontroller comprises a decoding circuit, a graphic discrimination circuit and an output control circuit, the microcontroller drives the information graphic code detection sensor to acquire the information graphic code anti-counterfeiting characteristics of an invoice to be detected, the information graphic code anti-counterfeiting characteristics are decoded by the decoding circuit and judged by the graphic discrimination circuit, and the discrimination result of the graphic discrimination circuit is output by the output control circuit.

2. The invoice anti-counterfeiting information printing quality detector according to claim 1, further comprising an audio decoding circuit, an audio amplifying circuit and a loudspeaker, wherein the judgment result of the output control circuit is decoded by the audio decoding circuit, amplified by the audio amplifying circuit and then output by the loudspeaker.

3. The invoice anti-counterfeiting information printing quality detector according to claim 1, wherein the graph distinguishing circuit is connected with a data encryption and decryption circuit, and the data encryption and decryption circuit is connected with a memory.

4. The invoice anti-counterfeiting information printing quality detector according to claim 1, wherein the output control circuit is connected with a working indicator lamp through an indicator lamp driving circuit.

5. The invoice anti-counterfeiting information printing quality detector according to claim 1, wherein the microcontroller is connected with a power supply through a power management circuit, a voltage stabilizing filter circuit is further arranged between the microcontroller and the power management circuit, the power supply is further connected with a charging circuit, and the charging circuit is connected with a USB charging interface circuit.