CN210804584U - Invoice printing line on-line detection equipment - Google Patents

Abstract

The utility model discloses an invoice printing on-line detection device, which comprises a shell, an infrared laser information detection sensor, an information figure coding detection sensor, a first microcontroller, a second microcontroller and a first infrared laser module, wherein the infrared laser information detection sensor, the information figure coding detection sensor, the first microcontroller, the second microcontroller and the first infrared laser module are arranged in the shell; the first microcontroller comprises a wavelength discrimination circuit, the second microcontroller comprises a decoding circuit, a graph discrimination circuit and an output control circuit, and the first microcontroller and the second microcontroller realize data interaction. The utility model discloses can detect two kinds of anti-fake characteristics simultaneously and compromise low price and equipment simple structure's characteristics, cooperate different embedded software, can be applicable to printing factory, tax office respectively.

Description

Invoice printing line on-line detection equipment

Technical Field

The utility model relates to an optics means detects technical field, concretely relates to check out test set on invoice printing line.

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 a plurality of anti-counterfeiting measures with high technical content during the design, the photoluminescence anti-counterfeiting characteristic and the information graph coding anti-counterfeiting characteristic of the invoice are two special anti-counterfeiting characteristics of the current circulated invoice, the photoluminescence anti-counterfeiting characteristic refers to that invisible infrared light in another wavelength range can be excited after being irradiated by the invisible infrared light in one wavelength range, the information graph coding anti-counterfeiting characteristic is that different coding graphs are formed by combining dot graphs through different dot matrixes by adopting special coding software, the coding graphs are printed on the surface of the invoice by using special anti-counterfeiting ink after micro plate making, each coding graph represents a group of information, different invoices adopt different coding graphs which have independent identity characteristics and are due to the complexity and invisibility of the information coding graphs, so that the anti-counterfeiting paper has extremely high anti-counterfeiting strength. But at present, a mass production detection tool which can simultaneously detect two anti-counterfeiting characteristics and has low price and simple equipment structure is lacked.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a check out test set on invoice printing line can detect two kinds of anti-fake characteristics simultaneously and compromise low price and equipment simple structure's characteristics.

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

the invoice printing on-line detection equipment comprises a shell, and an infrared laser information detection sensor, an information graphic coding detection sensor, a first microcontroller, a second microcontroller and a first infrared laser module which are arranged in the shell; the first microcontroller comprises a wavelength discrimination circuit, the second microcontroller comprises a decoding circuit, a graph discrimination circuit and an output control circuit, and the first microcontroller and the second microcontroller realize data interaction; the first microcontroller drives the first infrared laser module to emit infrared light with a set wavelength to irradiate the photoluminescence anti-counterfeiting feature of the invoice to be detected through the first infrared laser driving circuit, and collects infrared light with another wavelength excited by the photoluminescence anti-counterfeiting feature to the wavelength discrimination circuit through the infrared laser information detection sensor for judgment; the second microcontroller drives the information graphic code detection sensor to acquire the information graphic code anti-counterfeiting feature of the invoice to be detected, the information graphic code anti-counterfeiting feature is decoded by the decoding circuit and judged by the graphic judging circuit, and the judging results of the wavelength judging circuit and the graphic judging circuit are output by the output control circuit.

The invoice printing on-line detection device 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 printing line on-line detection device further comprises a data encryption and decryption circuit connected with the graph discrimination circuit, and the data encryption and decryption circuit is connected with a memory.

The invoice printing line on-line detection device further comprises an output control circuit connected with a working indicator lamp through an indicator lamp driving circuit.

The invoice printing line on-line detection device is characterized in that the first microcontroller is connected with a liquid crystal display screen through a display driving circuit.

The invoice printing line on-line detection device is characterized in that the first microcontroller is connected with an ultraviolet LED through an ultraviolet driving circuit.

The invoice printing line on-line detection device further comprises a white light LED connected with the first microcontroller through a white light drive circuit, and a magnifier window is arranged on the shell.

The invoice printing line on-line detection device is characterized in that the first microcontroller is connected with a second infrared laser module through a second laser driving circuit.

The invoice printing line detection device is characterized in that a distance sensor is connected to the first microcontroller.

The invoice printing line on-line detection device is characterized in that the first microcontroller and the second microcontroller are connected with a power supply through a power management circuit.

Compared with the prior art, the utility model, its beneficial effect lies in: the utility model can simultaneously detect the photoluminescence anti-counterfeiting characteristic and the information graphic coding anti-counterfeiting characteristic of the invoice, and has the advantages of simple and portable equipment structure, low price and mass production prospect; after the utility model obtains the detection result, the identification result can be synchronously output through voice and screen character display, and the screen of the equipment or other indication signals are not required to be observed, thereby greatly improving the invoice detection efficiency and optimizing the user experience; the utility model discloses still have the extra function of the anti-fake fibre of detecting the invoice, miniature characters.

Drawings

Fig. 1 is a schematic circuit diagram of an invoice printing line detection device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the invoice printing line detection device according to the embodiment of the present invention;

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

fig. 4 is a circuit diagram of a second microcontroller according to an embodiment of the present invention;

fig. 5 is a circuit diagram of a CMOS infrared sensor interface circuit according to an embodiment of the present invention;

fig. 6 is a circuit diagram of an audio amplifier circuit and a speaker according to an embodiment of the present invention;

fig. 7 is a circuit diagram of the nand flash memory 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;

fig. 9 is a circuit diagram of a display driving circuit according to an embodiment of the present invention;

fig. 10 is a circuit diagram of an ultraviolet driving circuit according to an embodiment of the present invention;

fig. 11 is a circuit diagram of a white light driving circuit according to an embodiment of the present invention;

fig. 12 is a circuit diagram of a second laser driving circuit according to an embodiment of the present invention;

fig. 13 is a circuit diagram of a distance sensor receiving and shaping circuit according to an embodiment of the present invention;

fig. 14 is a circuit diagram of a power management circuit and a connection circuit thereof according to an embodiment of the present invention;

fig. 15 is a circuit diagram of a key circuit according to an embodiment of the present invention.

Wherein: 1. inspecting the end face; 2. a liquid crystal display screen; 3. a magnifier window; 4. a sleep/resume button; 5. volume + button; 6. volume-button; 7. a white light function button; 8. an ultraviolet light function button; 9. a second infrared laser function button; 10. a power indicator light; 11. a charging indicator light; 12. a work indicator light; 100. a first microcontroller; 101. a second microcontroller; 102. a CMOS infrared sensor interface circuit; 103. an audio amplification circuit; 104. a speaker; 105. a NAND flash memory; 106. an indicator light drive circuit; 107. a display driving circuit; 108. an ultraviolet driving circuit; 109. a white light driving circuit; 110. a second laser driving circuit; 111. a distance sensor receiving and shaping circuit; 112. a power management circuit; 113. a charging circuit; 114. a USB charging interface circuit; 115. a boost circuit; 116. a voltage stabilizing circuit; 117. and a key 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 15, the invoice printing line detection device includes a housing, and an infrared laser information detection sensor, an information graphic coding detection sensor, a first microcontroller 100, a second microcontroller 101 and a first infrared laser module which are arranged in the housing, where the first microcontroller 100 and the second microcontroller 101 implement data interaction. Fig. 2 is the utility model discloses check out test set's on invoice printed line structural schematic diagram, the casing adopts the radian design that is fit for the staff to grip, check out test set's left side is provided with a plurality of function button, the function button includes dormancy/resume button 4, volume + button 5, volume-button 6, white light function button 7, ultraviolet ray function button 8, the infrared laser function button 9 of second, relevant key-press circuit 117 is shown as figure 15, the bottom side is check end face 1 of check out test set, still be equipped with magnifying glass window 3 and liquid crystal display 2 in check out test set's the main part.

The first microcontroller 100 comprises a wavelength discrimination circuit, the second microcontroller 101 comprises a decoding circuit, a graph discrimination circuit and an output control circuit, and the first microcontroller 100 and the second microcontroller 101 realize data interaction. The first microcontroller 100 drives the first infrared laser module to emit infrared light with a wavelength range of 800nm to 1100nm to irradiate the photoluminescence anti-counterfeiting feature of the invoice to be detected through the first infrared laser driving circuit, the photoluminescence anti-counterfeiting feature of the invoice to be detected can excite the infrared light with a wavelength range of 1300nm to 1800nm, and the infrared light is collected by the infrared laser information detection sensor to the first microcontroller 100 and then is judged through the wavelength judging circuit. The second microcontroller 101 drives the information pattern code detection sensor to acquire the information pattern code anti-counterfeiting characteristics of the invoice to be detected, the information pattern code detection sensor comprises a CMOS infrared camera sensor and a CMOS infrared sensor interface circuit 102, the model of the CMOS infrared camera sensor is GC300A-24, the CMOS infrared sensor interface circuit 102 is shown in figure 5, the working principle is that the CMOS infrared camera sensor is used for acquiring the information pattern code anti-counterfeiting characteristics, the information pattern code anti-counterfeiting characteristics are different dot matrix combinations to form different code patterns, and the code patterns are decoded through a decoding circuit and judged through a pattern judging circuit.

The discrimination results of the wavelength discrimination circuit and the pattern discrimination circuit are output through an output control circuit, and the decoding circuit and the pattern discrimination circuit are integrated on the second microcontroller 101 in the embodiment. Through the collection of infrared laser information detection sensor and information figure code detection sensor and the discrimination of wavelength discrimination circuit and figure discrimination circuit, the true and false of invoice is differentiateed and is exported through output control circuit at last, realizes the discrimination to the invoice true and false, and equipment compromise simple structure simultaneously, and small and portable characteristics conveniently detect the invoice quality on the invoice production line.

Further, the invoice detection device further comprises an audio decoding circuit, an audio amplifying circuit 103 and a loudspeaker 104, wherein the audio decoding circuit is integrated in the second microcontroller 101, the circuits of the audio amplifying circuit 103 and the loudspeaker 104 are shown in fig. 6, the judgment result of the output control circuit is decoded through the audio decoding circuit, then the judgment result is output through the loudspeaker 104 after the power of the audio amplifying circuit 103 is amplified, 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 104 can be adjusted through the volume + button 5 and the volume-button 6.

Further, the pattern discriminating circuit is connected to a data encryption/decryption circuit, the data encryption/decryption circuit is connected to a memory, the memory is preferably an nand flash memory 105, a chip of the nand flash memory 105 is as shown in fig. 7, the nand flash memory 105 stores correct information pattern codes and information contents corresponding to the information pattern codes, the data encryption/decryption circuit is used for preventing the information pattern codes and the information contents corresponding to the information pattern codes from being maliciously tampered, the pattern discriminating circuit compares the information pattern codes acquired by the information pattern code detecting sensor with the information pattern codes stored in the nand flash memory 105, and simultaneously decrypts the information contents corresponding to the information pattern codes and compares the information contents with the information acquired by the information pattern decoding.

Further, the output control circuit is connected to the operation indicator lamp 12 through the indicator lamp driving circuit 106, when the device is operating normally, the operation indicator lamp 12 is normally on to indicate that the device is operating normally, and the indicator lamp driving circuit 106 is as shown in fig. 8.

Further, the first microcontroller 100 is connected to the liquid crystal display 2 through a display driving circuit 107, the liquid crystal display 2 is used for displaying the determination result and other information, and the display driving circuit 107 is shown in fig. 9.

Further, the first microcontroller 100 is connected to an ultraviolet LED through an ultraviolet driving circuit 108, and as shown in fig. 10, in order to boost the output power of the ultraviolet LED, in this embodiment, the ultraviolet driving circuit 108 is connected to the power management circuit 112 through a voltage boosting circuit 115, and the voltage boosting circuit 115 is shown in fig. 14. The detection principle of the ultraviolet LED is as follows: the physical form of the anti-counterfeiting fiber is circular ring shape and is randomly distributed in the special paper for the invoice. The special paper for the invoice is basically the same as common paper when observed under natural light, and under the irradiation of ultraviolet light, the semicircular ring of the circular ring close to the light source is red, and the semicircular ring far away from the light source is yellow-green. The right hand holds the detection device flatly, the thumb presses the ultraviolet light function button 8, and at the moment, an ultraviolet LED at the upper end of the detection device emits ultraviolet light, so that the detection device and the invoice plane form a small angle (20-35 degrees) as far as possible, and the ultraviolet light is close to the level to irradiate the surface of the invoice for observation. Two semicircles of the cylindrical fluorescent fiber on the ticket surface can be seen in different illumination directions, the semicircles close to the light source are red, and the semicircles far away from the light source are green. When the ultraviolet function button 8 is released, the detection device stops emitting ultraviolet light. In the embodiment, the shell is provided with the magnifier, the ultraviolet LED is arranged near the magnifier window 3, and when the ultraviolet LED emits ultraviolet light to irradiate the invoice, the magnifier window 3 can be used for observing the cylindrical fluorescent fibers on the surface of the invoice.

Further, the first microcontroller 100 is connected to a white light LED through a white light driving circuit 109, and the white light driving circuit 109 is as shown in fig. 11, and the white light LED is used for observing the micro characters printed on the invoice in cooperation with the magnifier window 3. Holding check out test set and keeping flat check out test set on the face of a ticket, magnifying glass window 3 moves to the miniature characters top, can see the miniature characters this moment in magnifying glass window 3, for reinforcing observation effect, but the white light function button is pressed to the thumb, check out test set's white light LED shines this moment, and magnifying glass window 3 becomes bright, more does benefit to the observation of miniature characters.

Further, the first microcontroller 100 is connected to a second infrared laser module through a second laser driving circuit 110, and the second laser driving circuit 110 is shown in fig. 12. When the laser detection device is used, the detection device is held by a hand and is horizontally placed on the ticket surface, the center of the magnifier window 3 is basically positioned above the infrared laser signal, the thumb presses the second infrared laser function key, the second infrared laser module emits invisible infrared laser beams, the detection device is properly horizontally moved, and when the laser beams fall on an infrared laser signal area, bright yellow-green flickering bright spots can be seen in the magnifier window 3. When the thumb is lifted, the detection device stops emitting the infrared laser beam.

Further, the first microcontroller 100 is connected with a distance sensor, the distance sensor is connected with the first microcontroller 100 through a distance sensor receiving and shaping circuit 111, the distance sensor receiving and shaping circuit 111 is shown in fig. 13, in the present embodiment, the hand-held detection equipment ensures that the liquid crystal display screen 2 faces the direction of a user, the oval edge of the front detection end face of the detection equipment is aligned with the right outer edge of the invoice monitoring seal oval and is in a tangent state, the horizontal lower edge of the detection end face of the detection equipment, which faces one side of the user, is aligned with the upper line of a detected invoice form, and the detection equipment automatically starts to detect at the moment, because the detection end face of the detection equipment is contacted with the invoice surface of the invoice, the distance between the distance sensor and the ticket surface is in a proper range, the distance sensor is used for detecting whether a return signal exists or not at regular time, when the detection device is brought within 0.8mm of the substrate close to the substrate, the distance sensor sends a signal to the first microcontroller 100.

Further, the first microcontroller 100 and the second microcontroller 101 are connected to a power supply through a power management circuit 112, the power management circuit 112 is further connected to a power indicator 10 for identifying normal operation and a charging indicator 11 for identifying charging, the power supply is connected to a charging circuit 113, the charging circuit 113 is provided with a USB charging interface circuit 114, the device can be charged by using a currently common USB interface, and the power management circuit 112 is further connected to a voltage stabilizing circuit 116 for ensuring the stability of output voltage.

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 (10)

1. The invoice printing on-line detection equipment is characterized by comprising a shell, and an infrared laser information detection sensor, an information figure coding detection sensor, a first microcontroller, a second microcontroller and a first infrared laser module which are arranged in the shell; the first microcontroller comprises a wavelength discrimination circuit, the second microcontroller comprises a decoding circuit, a graph discrimination circuit and an output control circuit, and the first microcontroller and the second microcontroller realize data interaction; the first microcontroller drives the first infrared laser module to emit infrared light with a set wavelength to irradiate the photoluminescence anti-counterfeiting feature of the invoice to be detected through the first infrared laser driving circuit, and collects infrared light with another wavelength excited by the photoluminescence anti-counterfeiting feature to the wavelength discrimination circuit through the infrared laser information detection sensor for judgment; the second microcontroller drives the information graphic code detection sensor to acquire the information graphic code anti-counterfeiting feature of the invoice to be detected, the information graphic code anti-counterfeiting feature is decoded by the decoding circuit and judged by the graphic judging circuit, and the judging results of the wavelength judging circuit and the graphic judging circuit are output by the output control circuit.

2. The invoice printing line detection device according to claim 1, further comprising an audio decoding circuit, an audio amplifying circuit and a speaker, 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 speaker.

3. The invoice printing line detection apparatus according to claim 1, wherein the graph discrimination 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 printing line detection apparatus as claimed in claim 1, wherein the output control circuit is connected with a working indicator lamp through an indicator lamp driving circuit.

5. The invoice printing line detection apparatus of claim 1 wherein the first microcontroller is connected to a liquid crystal display via a display drive circuit.

6. The invoice printing line detection apparatus of claim 1 wherein the first microcontroller is connected with an ultraviolet LED through an ultraviolet drive circuit.

7. The invoice printing line detection apparatus according to claim 1, wherein the first microcontroller is connected with a white light LED through a white light driving circuit, and the housing is provided with a magnifying glass window.

8. The invoice printing line detection apparatus of claim 7 wherein the first microcontroller is connected to a second infrared laser module through a second laser drive circuit.

9. The invoice printing line detection apparatus of claim 1 wherein a distance sensor is connected to the first microcontroller.

10. The invoice printing line detection apparatus of claim 1 wherein the first and second microcontrollers are connected to a power supply via a power management circuit.

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