CN101856903B - Printer with printing quality detecting module and printing quality detecting method thereof - Google Patents
Printer with printing quality detecting module and printing quality detecting method thereof Download PDFInfo
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- CN101856903B CN101856903B CN2010101950821A CN201010195082A CN101856903B CN 101856903 B CN101856903 B CN 101856903B CN 2010101950821 A CN2010101950821 A CN 2010101950821A CN 201010195082 A CN201010195082 A CN 201010195082A CN 101856903 B CN101856903 B CN 101856903B
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Abstract
The invention provides a printer with a printing quality detecting module, comprising: a printing quality detecting module comprising a supporting plate, a photo-sensor, a light barrier, a light source, and a communication port; the photo-sensor, the light barrier and the light source are fixedly installed at the supporting plate; the light barrier is positioned between the photo-sensor and the light source; and the communication port is connected with the photo-sensor. The invention has the following advantages that: a printing quality detecting module is designed creatively; the light source of the printing quality detecting module is used for emitting detecting light; the detecting light is reflected by printing paper, then received by the photo-sensor, and finally transformed into detecting signal; and the printing quality is judged according to the detecting signal to find the unqualified printed note and inform operators and an upper computer by signals such as sound, light, and electricity, thereby increasing the integral printing quality of the printer.
Description
[technical field]
The present invention relates to the printing technique field, particularly a kind of printer and print quality detection method thereof with print quality detection module.
[background technology]
Forms such as numeral, letter, symbol or figure with the operation result or the intermediate object program of computer can be discerned with the people are imprinted on the equipment on the paper according to the form of stipulating.Printer is just towards light, thin, short, little, low-power consumption, high-speed and intelligent direction development.The kind of printer is a lot, by type element whether paper is had stroke, divides impact printer and non-impact printer.Press the printable character structure, divide holotype word printer and dot character printer.By the mode that delegation's word forms, divide string data printer and line printer on paper.Press the technology that is adopted, divide printers such as cylindricality, sphere, ink jet type, heat-sensitive type, laser type, electrostatic, magnetic-type, LED-type.No matter any printer, its printing paper has been printed after the character, all sees off through the printing paper output channel.
Current printer; Its master controller order printhead is printed on information after the printing paper; Promptly be defaulted as this print job and finish, still, in fact; The user finds that sometimes its type information of paper of coming out through the printing paper output channel is not enough or be entirely blank page, influences the print quality of printer.Therefore, its print quality of existing printer needs further to improve.
[summary of the invention]
In order to solve existing technical problem; The present invention provides a kind of printer and print quality detection method thereof with print quality detection module; It is embedded the print quality detection module in the printing paper output channel, the print quality that is used for printing paper detects, thereby has improved print quality.
The present invention solves existing technical problem, and a kind of printer with print quality detection module is provided, and it comprises the print quality detection module, and said print quality detection module comprises gripper shoe, photoelectric sensor, light barrier, lamp source and PORT COM; Said photoelectric sensor, said light barrier and said lamp source are fixedly arranged on said gripper shoe, and said light barrier is between said photoelectric sensor and said lamp source; Said PORT COM links to each other with said photoelectric sensor.
The present invention's improvement further is:
Said printer comprises the printing paper output channel, and said print quality detection module is provided with over against said printing paper output channel.
Said printer comprises paper-ripping cutter, on said paper-ripping cutter, installation portion is set, and said gripper shoe is fixed on said installation portion.
The position that said paper-ripping cutter is relative with said photoelectric sensor sets into unthreaded hole, with relative position, said lamp source loophole is set; Said light barrier and said paper-ripping cutter are integral type.
Said printer comprises main control processor, and said main control processor links to each other with said PORT COM.、
The invention has the beneficial effects as follows: quality detection module is printed in initiative design one; Utilize the lamp source emitting detection light of this print quality detection module, this detection light receives and changes into detection signal by photoelectric sensor after the printing paper reflection, judge print quality according to detection signal; Can in time find the underproof printed tickets of print quality; And, carry out necessary processing, thereby put forward the whole print quality of printer in time through signal notifying operation personnel or host computers such as sound, light, electricity.
The present invention solves existing technical problem; A kind of print quality detection method of printer is provided; It is used in any described printer with print quality detection module of claim 1 to 5, and this method may further comprise the steps: A: printing paper is outwards exported through the printing paper output channel; B: the light of lamp source emission gets into photoelectric sensor after the printing surface reflection of said printing paper; C: said photoelectric sensor changes into the light that receives detected value and is sent to main control processor; D: said main control processor is compared detected value and the threshold value that presets, and judges then whether print quality is qualified; When print quality was defective, said main control processor externally sent processing signals.
The present invention's improvement further is:
In step D, said processing signals is an alerting signal, and this alerting signal is voice signal or optical signal.
In step D, said processing signals is the signal of telecommunication, and promptly said main control processor sends print command to print module.
The light that the territory, single file block of said printing surface is reflected is corresponding to a plurality of detected values, said main control processor respectively should a plurality of detected values and said threshold value compare, add up then; When statistics draws when surpassing 20% detected value and being lower than said threshold value, being judged as the corresponding territory, single file block of this detected value is normal printing.
Territory, single file block in the statistics single-sheet stationery is the quantity of normal printing, and when ratio surpassed 10%, being judged as this type face had normal printing.
The invention has the beneficial effects as follows: quality detection module is printed in initiative design one, utilizes this print quality detection module that print quality is detected, and judges that whether qualified print quality is.Lamp source emitting detection light; This detection light receives and changes into detection signal by photoelectric sensor after the printing paper reflection; Judge print quality according to detection signal, can in time find the underproof printed tickets of print quality, and in time through signal notifying operation personnel or host computers such as sound, light, electricity; Carry out necessary processing, thereby put forward the whole print quality of printer.
[description of drawings]
Fig. 1 is the structural representation of print quality detection module of the present invention;
Fig. 2 is the structural representation of printer of the present invention;
Fig. 3 is the light path sketch map of impression block work shown in Figure 2;
Fig. 4 is the structural representation of paper-ripping cutter shown in Figure 2;
Fig. 5 is the principle schematic of said print quality detection method;
Fig. 6 is said print quality detection method one flow process sketch map.
[specific embodiment]
Below in conjunction with the description of drawings and the specific embodiment the present invention is further specified.
Extremely shown in Figure 4 like Fig. 1, a kind of printer 200, it comprises print quality detection module 100, this print quality detection module 100 is used for the print quality of monitoring printer, to guarantee the printing effect of printer.It comprises gripper shoe 11, photoelectric sensor 12, light barrier 13, lamp source 14 and PORT COM (not shown go out); Gripper shoe 11 is installation bases of other each parts, plays a part to support, and photoelectric sensor 12, light barrier 13 and lamp source 14 are fixedly arranged on gripper shoe.Photoelectric sensor 12 is used for receiving detection light, and transforms into detection signal through photoelectricity.Lamp source 14 is used for emitting detection light, thereby produces reflection on the surface of printing paper.PORT COM is used for detection signal is sent to the main control processor of printer., the present invention is provided with light barrier 13 for the interference to photoelectric sensor 12 of the detection light of eliminating lamp source 14 emission between photoelectric sensor 12 and lamp source 14, stop that the detection light in lamp source 14 directly transfers to photoelectric sensor 12.
Lamp of the present invention source 14 is a red LED, and it is a plurality of, is distributed in the periphery of photoelectric sensor 12, and simultaneously, light barrier 13 also is a plurality of, and correspondence is distributed in the periphery of photoelectric sensor 12, and the detection light that intercepts the output of lamp source fully directly transfers to photoelectric sensor; Photoelectric sensor 12 is linear digital light-sensitive device group (LINEAR OPTICAL SENSOR ARRAY).
Print quality detection module per second of the present invention can detect omnidistance detection of printing under perhaps 3.789 inches of length 96.25mm, the general print speed.The communication modes of PORT COM is three-way standard I O mouth: SCLK, SDIN, SDOUT.
The operation principle of this print quality detection module is following:
Red LED irradiation printing paper, the color at the illuminated place of printing paper is dark more, after then the light of its reflection is received by the light-sensitive device of photoelectric sensor; It is more little to carry out the value that opto-electronic conversion obtains, otherwise the color at the illuminated place of printing paper is shallow more; After then light-sensitive device receives reflection ray; It is big more to carry out the value that opto-electronic conversion obtains, like this, and the value that the color on the printing paper obtains corresponding to opto-electronic conversion.Photoelectric sensor can not directly receive the irradiation of red LED, can increase excessive interference like this, so adopted light barrier in the both sides of photoelectric sensor, stops red LED direct irradiation photoelectric sensor.
Quality detection module is printed in the initiative design one of the present invention; Utilize the lamp source emitting detection light of this print quality detection module; This detection light receives and changes into detection signal by photoelectric sensor after the printing paper reflection, judge print quality according to detection signal, can in time find the underproof printing paper of print quality; And in time solve the underproof problem of print quality, thereby put forward the whole print quality of printer.
The present invention is embedded print quality detection module 100 in printer 200, thereby detects print quality in real time, and this print quality is fed back to main control processor, with the underproof problem of solution print quality, thus the print quality of assurance printer.
Operation principle:
The present invention detects print quality in real time; Detection signal in printing, occurs and be lower than when setting thresholding, report to the police to main control processor in real time, help main control processor in time to understand the print quality state, and handle accordingly, to guarantee print quality.
Current printer is not printed the monitoring function module, and the nothing that air exercise India and China occur is printed, the phenomenon of print quality difference can't be made feedback, and then can't in time handle accordingly to improve print quality.
The difference of printing paper shade, different to the reflection of light degree, thus make photoelectric sensor obtain judging according to the size of this value whether this point is printed with the corresponding value of shade.The detectable width of photoelectric sensor is 8.636mm, and each test point area is 85m (H) * 77m (W), and per second can detect 1250 row, and per second can detect perhaps 3.789 inches of length 96.25mm.
Adopted the method for statistics to confirm whether printing paper has printing, the value in delegation has the data above 20% to be lower than threshold value, thinks that then this row has printing; Have the line number of printing to surpass 10%, then being judged as printing paper has word.
After receiving the order that main control processor begins to detect, print identification module and start working, when make judge conclusion after, report main control processor, and get into holding state.
Extremely shown in Figure 6 like Fig. 1, a kind of print quality detection method of printer, it is used in the above-mentioned printer with print quality detection module, and this method may further comprise the steps:
A: printing paper 23 is outwards exported through printing paper output channel 21;
B: the light of lamp source 14 emissions gets into photoelectric sensor 12 after the printing surface reflection of printing paper 23;
C: photoelectric sensor 12 changes into detected value with the light that receives and is sent to main control processor (not shown go out);
D: main control processor is compared detected value and the threshold value that presets, and judges then whether print quality is qualified; When print quality was defective, main control processor externally sent processing signals.
Through the detection method of steps A, B, C and D, printer can realize that print quality detects while printing, and detects print quality in real time, handles immediately when finding the print quality problem.
Processing signals of the present invention can be directed against operating personnel, also can handle for the automation of printer.Because print quality is defective to be improper situation; So preferably inform operating personnel, occur printing unusually so that operating personnel find printer as early as possible, at this moment; Processing signals is an alerting signal; This alerting signal is voice signal or optical signal, and the notable feature of its alerting signal can let the operator find the underproof problem of print quality fast.Except alerting signal, processing signals also can be the signal of telecommunication, and promptly main control processor sends print command to print module, is printed once more automatically by print module and is detected the underproof type information of print quality.
Detection method of the present invention is to detect by row, promptly utilizes light that the territory, single file block of printing surface reflected corresponding to a plurality of detected values, main control processor respectively should a plurality of detected values and threshold value compare, add up then; When statistics draws when surpassing 20% detected value and being lower than threshold value, being judged as the corresponding territory, single file block of this detected value is normal printing.Territory, single file block in the statistics single-sheet stationery is the quantity of normal printing, and when ratio surpassed 10%, being judged as this type face had normal printing.In print procedure, the print quality detection module is monitored the content of printing paper, in time feeds back to main control processor, and then main control processor adjusts accordingly according to feedback, has guaranteed print quality.
Quality detection module is printed in the initiative design one of the present invention, utilizes this print quality detection module that print quality is detected, and judges that whether qualified print quality is.Lamp source emitting detection light; This detection light receives and changes into detection signal by photoelectric sensor after the printing paper reflection; Judge print quality according to detection signal, can in time find the underproof printed tickets of print quality, and in time through signal notifying operation personnel or host computers such as sound, light, electricity; Carry out necessary processing, thereby put forward the whole print quality of printer.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (9)
1. printer with print quality detection module, it comprises the print quality detection module, it is characterized in that: said print quality detection module comprises gripper shoe, photoelectric sensor, light barrier, lamp source, PORT COM and main control processor; Said photoelectric sensor, said light barrier and said lamp source are fixedly arranged on said gripper shoe, and said light barrier is between said photoelectric sensor and said lamp source; Said PORT COM links to each other with said photoelectric sensor, said main control processor respectively; The light of said lamp source emission gets into said photoelectric sensor after the printing surface reflection of printing paper; Said photoelectric sensor changes into the light that receives detected value and is sent to said main control processor; Said main control processor is compared detected value and the threshold value that presets, and judges then whether print quality is qualified; When print quality was defective, said main control processor externally sent processing signals.
2. printer according to claim 1 is characterized in that: said printer comprises the printing paper output channel, and said print quality detection module is provided with over against said printing paper output channel.
3. printer according to claim 2 is characterized in that: said printer comprises paper-ripping cutter, on said paper-ripping cutter, installation portion is set, and said gripper shoe is fixed on said installation portion.
4. printer according to claim 3 is characterized in that: the position that said paper-ripping cutter is relative with said photoelectric sensor sets into unthreaded hole, with relative position, said lamp source loophole is set; Said light barrier and said paper-ripping cutter are integral type.
5. the print quality detection method of a printer, it is used in any described printer with print quality detection module of claim 1 to 4, and this method may further comprise the steps:
A: printing paper is outwards exported through the printing paper output channel;
B: the light of lamp source emission gets into photoelectric sensor after the printing surface reflection of said printing paper;
C: said photoelectric sensor changes into the light that receives detected value and is sent to main control processor;
D: said main control processor is compared detected value and the threshold value that presets, and judges then whether print quality is qualified; When print quality was defective, said main control processor externally sent processing signals.
6. print quality detection method according to claim 5 is characterized in that: in step D, said processing signals is an alerting signal, and this alerting signal is voice signal or optical signal.
7. print quality detection method according to claim 5 is characterized in that: in step D, said processing signals is the signal of telecommunication, and promptly said main control processor sends print command to print module.
8. print quality detection method according to claim 5; It is characterized in that: the light that the territory, single file block of said printing surface is reflected is corresponding to a plurality of detected values; Said main control processor respectively should a plurality of detected values and said threshold value compare, add up then; When statistics draws when surpassing 20% detected value and being lower than said threshold value, being judged as the corresponding territory, single file block of this detected value is normal printing.
9. print quality detection method according to claim 8 is characterized in that: the territory, single file block in the statistics single-sheet stationery is the quantity of normal printing, and when ratio surpassed 10%, being judged as this type face had normal printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101950821A CN101856903B (en) | 2010-06-08 | 2010-06-08 | Printer with printing quality detecting module and printing quality detecting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101950821A CN101856903B (en) | 2010-06-08 | 2010-06-08 | Printer with printing quality detecting module and printing quality detecting method thereof |
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| CN101856903A CN101856903A (en) | 2010-10-13 |
| CN101856903B true CN101856903B (en) | 2012-07-18 |
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| CN2010101950821A Expired - Fee Related CN101856903B (en) | 2010-06-08 | 2010-06-08 | Printer with printing quality detecting module and printing quality detecting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107014794A (en) * | 2017-05-08 | 2017-08-04 | 西安印艺苑实业有限公司 | Methods, devices and systems, storage medium, the processor of paper fluoroscopic examination |
| CN107219202A (en) * | 2017-05-08 | 2017-09-29 | 西安印艺苑实业有限公司 | Method, device and the printer of paper fluorescence falsification preventing detection |
| CN107908741B (en) * | 2017-11-15 | 2020-07-31 | 厦门盈趣科技股份有限公司 | Paper tearing detection system and method |
| CN108274907B (en) * | 2018-01-02 | 2020-06-26 | 厦门盈趣科技股份有限公司 | Printer thermal paper reverse detection device and method based on image sensing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3423638B2 (en) * | 1998-07-13 | 2003-07-07 | キヤノン株式会社 | Document detection device and detection device |
| JP2001111771A (en) * | 1999-10-06 | 2001-04-20 | Canon Inc | Image reader and shield member mount method |
| US6419342B1 (en) * | 1999-11-19 | 2002-07-16 | Koninklijke Philips Electronics N.V. | Multi-function monitoring module for a printer |
| US20040251435A1 (en) * | 2003-04-07 | 2004-12-16 | Noboru Sawayama | Optical sensor and image forming apparatus |
| US7507981B2 (en) * | 2006-05-30 | 2009-03-24 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | System for identifying a characteristic of a printing media |
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