CN100376390C - Intelligent photoelectric off-paper detection method and device - Google Patents
Intelligent photoelectric off-paper detection method and device Download PDFInfo
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- CN100376390C CN100376390C CNB2006100247616A CN200610024761A CN100376390C CN 100376390 C CN100376390 C CN 100376390C CN B2006100247616 A CNB2006100247616 A CN B2006100247616A CN 200610024761 A CN200610024761 A CN 200610024761A CN 100376390 C CN100376390 C CN 100376390C
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Abstract
The present invention relates to a photoelectric paper break detecting method for a newspaper printing machine in printing machinery and a device thereof, particularly to an intelligent photoelectric paper break detecting method. The present invention is characterized in that a printing speed pulse signal and a photoelectric reflecting pulse signal of a host machine are input into a microprocessor for calculation. Under the condition that the printing speed pulse signal of the host machine turns four pieces of newspapers and the microprocessor still not receives the photoelectric reflecting pulse signal, the microprocessor sends out a paper breaking signal and a machine stopping signal. The present invention has the advantages of simple and feasible detecting method and no detecting blind area. The detecting device uses the reflecting type photoelectric detection, and therefore, the installation and the focusing are easy. The present invention has the characteristics of high intelligent degree and high reliability.
Description
Technical field
The present invention relates to newspaper press photoelectric off-paper detection method and device in the printing machinery.
Background technology
Existing newspaper press off-paper detection method has mechanical contact and contactless, contactless correlation photoelectric off-paper detection method and the reflective photoelectricity off-paper detection method of comprising.The correlation photoelectric off-paper is surveyed and can be subjected to influence of color, but installs and the focusing trouble, and newspaper press flies China ink in case with emitting head or to receive that head is coated be not operational failure, and is difficult for for known to the operator.Reflective photoelectricity off-paper detection method is to give printing by the emission photosignal, differentiates disconnected paper situation by the signal that receives, and can exist can't survey or mistake is surveyed phenomenon when complete black or some the dark advertisement of printing, can't operate as normal, promptly there is detection blind area.Newspaper press gently then damages blanket in case disconnected paper will cause serious wrapping phenomena, and is heavy then damage parts.
Summary of the invention
The object of the present invention is to provide a kind of intelligent photoelectric off-paper detection method and device, this detection method simple possible, no detection blind area, sniffer adopt reflective photodetection, and installation and focusing are easy, the reliability height.
The present invention is achieved in that a kind of intelligent photoelectric off-paper detection method; it is characterized in that main frame print speed printing speed pulse signal and photoelectric reflection pulse signal input microprocessor are carried out computing; turn at main frame print speed printing speed pulse signal and to be not more than under ten newspaper situations; microprocessor is also confiscated the photoelectric reflection pulse signal, and then microprocessor sends disconnected paper signal and stopping signal.
Describedly turn under four newspaper situations at main frame print speed printing speed pulse signal, microprocessor is also confiscated the photoelectric reflection pulse signal, and then microprocessor sends disconnected paper signal and stopping signal.
A kind of device of implementing above-mentioned intelligent photoelectric off-paper detection method, comprise enabling signal circuit, main frame print speed printing speed signal circuit, the first photodetection signal circuit, the second photodetection signal circuit, output signal circuit, it is characterized in that also comprising microprocessor and memory, memory connects microprocessor, enabling signal circuit, main frame print speed printing speed signal circuit, the first photodetection signal circuit, the second photodetection signal circuit connect the microprocessor input, and output end of microprocessor connects disconnected paper output signal circuit; Enabling signal circuit, main frame print speed printing speed signal circuit, the first photodetection signal circuit, the second photodetection signal circuit include light emitting diode, photoelectric coupled device, electric capacity, resistance, resistance, light emitting diode, photoelectric coupled device, signal input line become coupled in series, power supply is imported through resistance terminal, connects the microprocessor input behind photoelectric coupled device output shunt capacitance; Disconnected paper output circuit comprises photoelectric coupled device, triode, diode, relay, resistance, the indirect photoelectric coupled device of the base stage of triode and colelctor electrode, a relay and a termination power after diode is in parallel, another termination transistor collector, transistor base is connected in series back ground connection with resistance, transistor emitter ground connection, the photoelectric coupled device input one termination microprocessor paper output side that breaks, connect power supply after the other end series resistance, the disconnected paper signal of microprocessor output through photoelectric coupled device after relay output.
The device of described enforcement intelligent photoelectric off-paper detection method, also comprise indicating circuit, indicating circuit connects output end of microprocessor, indicating circuit comprises light emitting diode and resistance, a termination power after light emitting diode is connected with resistance, another termination output end of microprocessor, indicating circuit demonstration comprise the first photodetection signal, the second photodetection signal, the first disconnected paper signal and the second disconnected paper signal.
The device of described enforcement intelligent photoelectric off-paper detection method also comprises on-off circuit, and on-off circuit connects output end of microprocessor, and on-off circuit comprises switch and electric capacity, a termination output end of microprocessor after switch and the electric capacity parallel connection, an end ground connection.
Detection method simple possible of the present invention, no detection blind area, sniffer adopt reflective photodetection, and installation and focusing have intellectuality, high reliability features easily.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is an intelligent photoelectric off-paper detection method schematic diagram of the present invention;
Fig. 2 is an intelligent photoelectric off-paper sniffer electrical schematic diagram of the present invention.
The specific embodiment
A kind of intelligent photoelectric off-paper detection method; be with main frame print speed printing speed pulse signal with facing to the photoelectric reflection pulse signal input microprocessor of newspaper; computing by microprocessor; turn at main frame print speed printing speed pulse signal and to be not more than under ten newspaper situations; microprocessor is also confiscated the photoelectric reflection pulse signal, and then microprocessor sends disconnected paper signal and stopping signal.
This be because: referring to Fig. 1, have white edge 14, white edge 14 existence arranged at newspaper 11 and 11 of newspapers in the non-Printing Zone of newspaper 11.For a newspaper 11, paper 15 is through behind the printing roller 10, because printing roller 10 has roller recess 13, it is non-Printing Zone, the newspaper 11 and the white edge 14 that just leave printed patterns on paper 15 exist, even printed patterns 11 is complete black or dark like this, can reflect signal as long as photodetector head assembly 12 detects white edge 14, then there is the photoelectric reflection pulse signal to occur, also just can not produce detection blind area.For two newspapers 11, at newspaper 11 and 11 of newspapers non-Printing Zone is arranged, therefore have a white edge 14 at least; For three newspapers 11, then have two white edges 14 at least; Have three white edges 14 at least for 11 of four newspapers.The present invention can select to be not more than ten newspapers 11 as basis for estimation, but through the reaction speed of overall balance machine with prevent maloperation, a preferred implementation is to select four newspapers 11 as basis for estimation.The roller 10 of general newspaper press turns over a circle and is newspaper 11 of printing; the main frame print speed printing speed is the rotating speed of roller 10; roller 10 has printed four newspapers after turning over four circles; if photodetector head assembly 12 does not have the reflected signal input microprocessor, then microprocessor is exported disconnected paper signal and stopping signal.Be coated with when not having photodetector head assembly 12 to cause blind hole when flying China ink, four newspapers 11 pass through, but microprocessor can not receive the reflected impulse signal of photodetector head assembly 12 outputs, and the disconnected paper signal of then same output stops machine, and reports to the police and avoid damaging machine and guide the detection personnel to handle.
Referring to Fig. 2, a kind of intelligent photoelectric off-paper sniffer comprises enabling signal circuit 1, main frame print speed printing speed signal circuit 2, the first photodetection signal circuit 3, the second photodetection signal circuit 4, output signal circuit 7, microprocessor 5 and memory 6.Memory 6 connects microprocessor 5, and microprocessor 5 is P87LPC764, and memory 6 is X25045.Enabling signal circuit 1, main frame print speed printing speed signal circuit 2, the first photodetection signal circuit 3, the second photodetection signal circuit 4 connect microprocessor 5 inputs, the disconnected paper output signal circuit 7 of microprocessor 5 output terminations.Enabling signal circuit 1, main frame print speed printing speed signal circuit 2, the first photodetection signal circuit 3, the second photodetection signal circuit 4 include light emitting diode, photoelectric coupled device, electric capacity, resistance, its circuit connects identical, photoelectric coupled device is PC817, resistance, light emitting diode, photoelectric coupled device, signal input line become coupled in series, power supply is imported through resistance terminal, connects microprocessor 5 inputs behind photoelectric coupled device output shunt capacitance.Disconnected paper output circuit 7 comprises photoelectric coupled device, triode, diode, relay, resistance, relay is JQC-3FF, the indirect photoelectric coupled device of the base stage of triode and colelctor electrode, a relay and a termination power after diode is in parallel, another termination transistor collector, transistor base is connected in series back ground connection with resistance, transistor emitter ground connection, photoelectric coupled device input one termination microprocessor 5 disconnected paper output sides, connect power supply after the other end series resistance, the disconnected paper signal of microprocessor 5 output through photoelectric coupled device after relay output.
Microprocessor 5 output termination indicating circuits 8, indicating circuit 8 comprises light emitting diode and resistance, a termination power after light emitting diode is connected with resistance, another termination microprocessor 5 outputs, the indicating circuit demonstration comprises the first photodetection signal, the second photodetection signal, the first disconnected paper signal and the second disconnected paper signal, their circuit connection structure is identical, in order to indicate its duty.
Microprocessor 5 output termination on-off circuits 9, on-off circuit 9 comprises switch and electric capacity, a termination microprocessor 5 outputs after switch and the electric capacity parallel connection, an end ground connection.
Referring to Fig. 1, photodetector head assembly 12 is that photoemission head and photoelectric reflection head are made of one, photodetector head assembly 12 is installed in newspaper 11 fronts, two photodetector head assemblies 12 are installed side by side, the line of two photodetector head assemblies 12 and newspaper 11 traffic directions are vertical configuration approximately, are convenient to also can accurately detect under the situation that newspaper 11 is torn the operation of newspaper 11; Also can under the situation of half newspaper of printing, detect simultaneously newspaper 11.
Detection method simple possible of the present invention, no detection blind area, sniffer adopts reflecting light Electrical resistivity survey is surveyed, install and focusing easily, have intellectuality, characteristics that reliability is high.
Claims (5)
1. intelligent photoelectric off-paper detection method; it is characterized in that main frame print speed printing speed pulse signal and photoelectric reflection pulse signal input microprocessor are carried out computing; turn at main frame print speed printing speed pulse signal and to be not more than under ten newspaper situations; microprocessor is also confiscated the photoelectric reflection pulse signal, and then microprocessor sends disconnected paper signal and stopping signal.
2. intelligent photoelectric off-paper detection method according to claim 1; it is characterized in that turning under four newspaper situations at main frame print speed printing speed pulse signal; microprocessor is also confiscated the photoelectric reflection pulse signal, and then microprocessor sends disconnected paper signal and stopping signal.
3. device of implementing the intelligent photoelectric off-paper detection method of claim 1 or 2, comprise enabling signal circuit, main frame print speed printing speed signal circuit, the first photodetection signal circuit, the second photodetection signal circuit, output signal circuit, it is characterized in that also comprising microprocessor and memory, memory connects microprocessor, enabling signal circuit, main frame print speed printing speed signal circuit, the first photodetection signal circuit, the second photodetection signal circuit connect the microprocessor input, and output end of microprocessor connects disconnected paper output signal circuit; Enabling signal circuit, main frame print speed printing speed signal circuit, the first photodetection signal circuit, the second photodetection signal circuit include light emitting diode, photoelectric coupled device, electric capacity, resistance, resistance, light emitting diode, photoelectric coupled device, signal input line become coupled in series, power supply is imported through resistance terminal, connects the microprocessor input behind photoelectric coupled device output shunt capacitance; Disconnected paper output circuit comprises photoelectric coupled device, triode, diode, relay, resistance, the indirect photoelectric coupled device of the base stage of triode and colelctor electrode, a relay and a termination power after diode is in parallel, another termination transistor collector, transistor base is connected in series back ground connection with resistance, transistor emitter ground connection, the photoelectric coupled device input one termination microprocessor paper output side that breaks, connect power supply after the other end series resistance, the disconnected paper signal of microprocessor output through photoelectric coupled device after relay output.
4. the device of enforcement intelligent photoelectric off-paper detection method according to claim 3, it is characterized in that also comprising indicating circuit, indicating circuit connects output end of microprocessor, indicating circuit comprises light emitting diode and resistance, a termination power after light emitting diode is connected with resistance, another termination output end of microprocessor, indicating circuit demonstration comprise the first photodetection signal, the second photodetection signal, the first disconnected paper signal and the second disconnected paper signal.
5. the device of enforcement intelligent photoelectric off-paper detection method according to claim 3, it is characterized in that also comprising on-off circuit, on-off circuit connects output end of microprocessor, and on-off circuit comprises switch and electric capacity, a termination output end of microprocessor after switch and the electric capacity parallel connection, an end ground connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100247616A CN100376390C (en) | 2006-03-16 | 2006-03-16 | Intelligent photoelectric off-paper detection method and device |
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| CNB2006100247616A CN100376390C (en) | 2006-03-16 | 2006-03-16 | Intelligent photoelectric off-paper detection method and device |
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| CN1836902A CN1836902A (en) | 2006-09-27 |
| CN100376390C true CN100376390C (en) | 2008-03-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378918A (en) * | 1991-03-05 | 1995-01-03 | Grafotec Kotterer Gmbh | Method and a device for monitoring a web |
| JPH11320846A (en) * | 1998-05-19 | 1999-11-24 | Zirkon Druckmas Gmbh Leipzig | Damage preventing device for printing machine |
| US20020017212A1 (en) * | 2000-07-14 | 2002-02-14 | Tobias Muller | Method and device for detecting faults during transport of a web |
| WO2003095348A1 (en) * | 2002-05-02 | 2003-11-20 | Koenig & Bauer Aktiengesellschaft | Device and method for detecting web breakage in a web processing machine |
| CN1500634A (en) * | 2002-11-19 | 2004-06-02 | 何松宇 | Paper pathway positioning and failure detecting device |
-
2006
- 2006-03-16 CN CNB2006100247616A patent/CN100376390C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378918A (en) * | 1991-03-05 | 1995-01-03 | Grafotec Kotterer Gmbh | Method and a device for monitoring a web |
| JPH11320846A (en) * | 1998-05-19 | 1999-11-24 | Zirkon Druckmas Gmbh Leipzig | Damage preventing device for printing machine |
| US20020017212A1 (en) * | 2000-07-14 | 2002-02-14 | Tobias Muller | Method and device for detecting faults during transport of a web |
| WO2003095348A1 (en) * | 2002-05-02 | 2003-11-20 | Koenig & Bauer Aktiengesellschaft | Device and method for detecting web breakage in a web processing machine |
| CN1500634A (en) * | 2002-11-19 | 2004-06-02 | 何松宇 | Paper pathway positioning and failure detecting device |
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| CN1836902A (en) | 2006-09-27 |
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