CN109367264B - Printing method and system for automatically selecting colors of double-color ink box - Google Patents
Printing method and system for automatically selecting colors of double-color ink box Download PDFInfo
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- CN109367264B CN109367264B CN201811332900.0A CN201811332900A CN109367264B CN 109367264 B CN109367264 B CN 109367264B CN 201811332900 A CN201811332900 A CN 201811332900A CN 109367264 B CN109367264 B CN 109367264B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/14—Multicolour printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- Ink Jet (AREA)
Abstract
The invention discloses a printing method for automatically selecting colors by a two-color ink box, which comprises the following steps: s1: acquiring appearance data of a printing surface of a printing medium; s2: carrying out image analysis on the appearance data to obtain the brightness data of the appearance data; s3: detecting the brightness data by using a light density detection device to obtain a light density value; s4: authorizing the obtained optical density value with a first optical density threshold of a predetermined criterion; s5: selecting a reasonable printing mode through comparison; s6: the invention aims to provide an automatic color-selecting printing technology of a two-color ink box, which is characterized in that an identification device is applied in a printing device to read image appearance data and convert the brightness into a specific optical density value, so that the value is used for carrying out approval and selecting a proper printing mode, thereby clearly displaying the printing content and realizing the automatic color-selecting printing of the two-color ink box.
Description
Technical Field
The invention relates to the field of printing, in particular to a printing method and a printing system for automatically selecting printing colors by a two-color ink box.
Background
Data such as date and time, serial numbers, batch numbers or two-dimensional codes can be added into a handheld printer in the market at present, and marks are sprayed and printed on packages of the handheld printer, so that manufacturers can conveniently identify contents and meanings of the contents, and the handheld printer is widely applied to industries such as food, building materials, electronics and printing. The existing code spraying machine is used for printing with single-color ink, the printed content has single color, and when the contrast of a printed medium and the color of the ink is close, the printed content is easy to be confused, so that identification misunderstanding is caused.
In order to solve the above problems, in the prior art, a complicated printing apparatus is generally manufactured by adopting a multi-color printing mode, so that the structure of the printing apparatus is complicated, even one color corresponds to one spray head for printing, but the plurality of spray heads still respectively independently complete the executed spray printing instruction.
Disclosure of Invention
The invention aims to provide an automatic color-selecting printing technology of a two-color ink box, which is characterized in that an identification device is applied in printing equipment to read image appearance data and convert the brightness into a specific optical density numerical value, so that the numerical value is utilized to carry out approval and select a proper printing mode, the printing content can be clearly displayed, and the automatic color-selecting printing of the two-color ink box is realized.
In order to achieve the purpose, the technical scheme of the invention is as follows:
as a preferred embodiment of the present invention:
as shown in fig. 1, a printing method for automatically selecting a color of a two-color ink cartridge includes the steps of:
s1: acquiring appearance data of a printing surface of a printing medium;
s2: carrying out image analysis on the appearance data to obtain the brightness data of the appearance data;
s3: detecting the brightness data by using a light density detection device, and calculating to obtain a light density numerical value matched with the brightness data;
s4: the obtained optical density value is approved with a first optical density threshold value of a preset standard, and a dark color printing mode is selected when the optical density value is smaller than the optical density threshold value, otherwise, a light color printing mode is selected;
s5: in the deep color printing mode, presetting a second optical density threshold value, authorizing with the optical density threshold value, if the optical density threshold value is smaller than the second optical density threshold value, selecting the deep color reverse white printing mode, otherwise, selecting the deep color normal printing mode, and in the light color printing mode, presetting a third optical density threshold value, authorizing with the optical density threshold value, if the optical density threshold value is smaller than the third optical density threshold value, selecting the light color reverse white printing mode, otherwise, selecting the light color normal printing mode;
s6: and printing the image according to the selected printing mode.
Further, the optical density value is obtained by measuring at one or more detection angles with a fixed illumination intensity and a preset illumination time.
Further, the first optical density threshold is greater than the second optical density threshold and less than the third optical density threshold.
Furthermore, the dark color printing mode and the light color printing mode respectively correspond to different printing nozzles, the dark color printing mode is only associated with the dark color reverse white printing mode and the dark color normal printing mode, and the light color printing mode is only associated with the light color reverse white printing mode and the light color normal printing mode.
Further, the dark-color reverse white printing mode and the light-color reverse white printing mode can be directly executed by manual presetting, and the manual presetting printing mode is preferentially executed.
As shown in fig. 2, according to another aspect of the present invention, there is also provided a printing system applying the printing method of automatically selecting a color by a two-color cartridge as described above, the printing system including:
the image acquisition module is used for acquiring appearance data of an appearance surface of the printing medium;
the image analysis module is used for detecting and analyzing the brightness data of the acquired appearance data;
the optical density detection module is used for detecting and analyzing the brightness data of the appearance data and obtaining an optical density numerical value corresponding to the brightness data;
and the printing module selects a proper printing mode according to the optical density value to print.
Further, the optical density detection module comprises a photoresistor, a photodiode and an A/D converter.
Furthermore, the printing module further comprises a content input unit and a nozzle control unit, wherein the content input unit is a human-computer interaction interface and is used for editing printing content, the nozzle control unit is used for enabling a printing mode to correspond to the nozzles, and each nozzle corresponds to at least one printing mode.
Further, the content input unit has a manual editing function for editing the print mode indicated by the execution manual instruction.
According to the invention, through the acquired appearance data of the printing surface, the brightness data is obtained by analyzing the appearance data, so that the optical density data is formed, the brightness data of the representation is converted into the optical density data with specific numerical values, the subsequent approval and comparison are convenient, and the proper printing mode and the spray head corresponding to the printing mode are selected for printing. The technical scheme of the invention is fast and efficient, is flexible to operate, can adapt to the poor spray printing effect caused by the change of the printing surface to the utmost extent, and is flexible to select according to the comparison scheme of the optical density numerical value, so that the spray printing effect is clear and high in identifiability.
Drawings
FIG. 1 is a flow chart of a printing method for automatically selecting colors for a two-color ink cartridge according to the present invention;
FIG. 2 is a block diagram of a printing system for automatically selecting colors for a two-color ink cartridge according to the present invention;
FIG. 3 is a flow chart illustrating the operation of a print module in the printing system of the present invention;
FIG. 4 is a flow chart of the detection of the optical density detection module in the printing system according to the present invention.
Detailed Description
The printing method and system for automatically selecting colors by a two-color ink box of the invention are described with reference to the accompanying drawings.
As shown in fig. 1, a printing method for automatically selecting a color of a two-color ink cartridge includes the steps of:
s1: acquiring appearance data of a printing surface of a printing medium;
s2: carrying out image analysis on the appearance data to obtain the brightness data of the appearance data;
s3: detecting the brightness data by using a light density detection device, and calculating to obtain a light density numerical value matched with the brightness data;
s4: the obtained optical density value is approved with a first optical density threshold value of a preset standard, and a dark color printing mode is selected when the optical density value is smaller than the optical density threshold value, otherwise, a light color printing mode is selected;
s5: in the deep color printing mode, presetting a second optical density threshold value, authorizing with the optical density threshold value, if the optical density threshold value is smaller than the second optical density threshold value, selecting the deep color reverse white printing mode, otherwise, selecting the deep color normal printing mode, and in the light color printing mode, presetting a third optical density threshold value, authorizing with the optical density threshold value, if the optical density threshold value is smaller than the third optical density threshold value, selecting the light color reverse white printing mode, otherwise, selecting the light color normal printing mode;
s6: and printing the image according to the selected printing mode.
By acquiring the printing surface of the printing medium, the proper printing surface can be screened by naked eyes, and the mechanical screening time is shortened; carrying out image analysis on the appearance data to obtain the brightness data of the appearance data, generally adopting Newton color rings to represent according to the existing brightness representation mode, and converting the brightness data into an optical density numerical value through the optical density of the current printing surface, wherein the Newton color rings cannot be used as comparison parameters; wherein, dark colour or light colour in dark colour print mode and the light colour print mode show the colour that adopts the ink, and further, dark colour print mode and light colour print mode correspond two shower nozzles of printing apparatus respectively, and concrete print mode carries out the comprehensive consideration according to the multilayer approval and chooses for use, guarantees accuracy, recognizable degree.
For the appearance data described in step S1, appearance features should be included, the appearance features include light features and dark features, and there is at least one distinct printed side of light or dark features for printing.
In step S4, the collected optical density value is approved, and since the acquisition of the printing surface has continuity, the average value is generally taken as the result of the optical density value when the printing surface is sampled, and the brightness expression method is generally described and compared with naked eyes now, and there is no accurate expression method, the invention uses the photodiode in the optical density detection device to detect the acquired appearance data of the printing surface, digitizes the brightness through the detection module such as a/D converter and photoresistor, and compares and approves the brightness through the step S5 setting the specified threshold, and determines the printing mode of the printing surface of the optical density value in response to the implementation, and determines the printing channel.
The optical density value is obtained by measuring at one or more detection angles with fixed illumination intensity and preset illumination time, and other variables are required to be fixed to ensure that the measured optical density value is accurate due to the fact that the obtained printing surface passes through the value which needs to be accurate.
The image appearance is first illuminated with one or more light beams at a preset intensity, the illumination light beam may be illuminated at a suitable angle to the target appearance, preferably with a plurality of light beams at a plurality of preset illumination intensities one after the other, further preferably with one or more light beams at least two preset intensities, more preferably at least three preset intensities.
The first optical density threshold value is larger than the second optical density threshold value and smaller than the third optical density threshold value 313, so that the first optical density threshold value, the second optical density threshold value and the third optical density threshold value form a continuous approval section, and the printing surface corresponding to each optical density value finds an accurate value in the section and is approved by comparing the accurate value with the accurate value.
The first, second and third optical density thresholds divide the optical density into four zones, one zone corresponding to one printing mode.
Furthermore, the dark color printing mode and the light color printing mode respectively correspond to different printing nozzles, the dark color printing mode is only associated with the dark color reverse white printing mode and the dark color normal printing mode, and the light color printing mode is only associated with the light color reverse white printing mode and the light color normal printing mode.
Because dark color printing mode and light color printing mode correspond different printing shower nozzles respectively, two kinds of printing modes that current colour of every shower nozzle control corresponds avoid the confusion, cause and spout the seal mistake.
Further, the dark-color reverse white printing mode and the light-color reverse white printing mode can be directly executed by manual presetting, and the manual presetting printing mode is preferentially executed.
As shown in fig. 2 or 3, according to another aspect of the present invention, there is also provided a printing system applying the printing method of automatically selecting a color by a two-color cartridge as described above, the printing system including:
an image acquisition module 101 for acquiring appearance data of an appearance surface of a print medium;
an image analysis module 102, configured to detect brightness data of the appearance data obtained by analysis;
the optical density detection module 103 is configured to detect and analyze the brightness data of the appearance data, and obtain an optical density value corresponding to the brightness data;
and the printing module 104 selects a proper printing mode according to the optical density value to print.
Selecting manual reverse white setting in the printing module 104, sending the image to a printing format conversion unit, processing image data to perform reverse white operation after a manual reverse white instruction is obtained in system parameter reading, sending the data to a printing output unit after the processing is finished to obtain the data after the reverse white, and obtaining the printed result to be the reverse white image; otherwise, the white reflection data processing is not carried out, and the printed image is a normal image.
The optical density detection module 103 includes detection modules such as a photoresistor, a photodiode, and an a/D converter, and these instruments are used for performing optical density numerical processing and operation.
As shown in fig. 4, the print module 104 further includes a content input unit 202 and a nozzle control unit 201, the content input unit 202 is a human-computer interface and is configured to edit print content, the nozzle control unit 201 is configured to correspond a print mode to a nozzle, each nozzle corresponds to at least one print mode, and the print mode includes two print outputs, namely, a dark print mode and a light print mode.
The content input unit 202 is a man-machine operation interface of the handheld printing system, uses a high-resolution true-color touch screen for operation, is used for editing the content needing spray printing, and can edit and display the content such as characters, graphs, bar codes and the like in a visible-to-the-ready manner;
the head control unit 201 mainly completes user image parameters, printing parameters (including printing direction, reverse printing setting, etc.), system time setting, and the like.
After the print content input is completed, the image is subjected to image appearance data analysis 203 and to print format conversion 204.
Further, the content input unit 202 has a manual editing function for editing and executing the printing mode indicated by the manual instruction, so that the selection of the printing mode is manual and automatic, and the operation is convenient and practical.
According to the invention, through the acquired appearance data of the printing surface, the brightness data is obtained by analyzing the appearance data, so that the optical density data is formed, the brightness data of the representation is converted into the optical density data with specific numerical values, the subsequent approval and comparison are convenient, and the proper printing mode and the spray head corresponding to the printing mode are selected for printing. The technical scheme of the invention is fast and efficient, is flexible to operate, can adapt to the poor spray printing effect caused by the change of the printing surface to the utmost extent, and is flexible to select according to the comparison scheme of the optical density numerical value, so that the spray printing effect is clear and high in identifiability.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A printing method for automatically selecting colors by a two-color ink box is characterized by comprising the following steps:
s1: acquiring appearance data of a printing surface of a printing medium;
s2: carrying out image analysis on the appearance data to obtain the brightness data of the appearance data;
s3: detecting the brightness data by using a light density detection device, and calculating to obtain a light density numerical value matched with the brightness data;
s4: the obtained optical density value is approved with a first optical density threshold value of a preset standard, and a dark color printing mode is selected when the optical density value is smaller than the optical density threshold value, otherwise, a light color printing mode is selected;
s5: in the deep color printing mode, presetting a second optical density threshold value, authorizing with the optical density threshold value, if the optical density threshold value is smaller than the second optical density threshold value, selecting the deep color reverse white printing mode, otherwise, selecting the deep color normal printing mode, and in the light color printing mode, presetting a third optical density threshold value, authorizing with the optical density threshold value, if the optical density threshold value is smaller than the third optical density threshold value, selecting the light color reverse white printing mode, otherwise, selecting the light color normal printing mode;
s6: and printing the image according to the selected printing mode.
2. The printing method according to claim 1, wherein said optical density values are obtained by measuring at one or more detection angles with a fixed illumination intensity and a preset illumination time.
3. The printing method of claim 1, wherein said first threshold of optical density is greater than said second threshold of optical density and less than said third threshold of optical density.
4. The printing method according to claim 1, wherein the dark color printing mode and the light color printing mode correspond to different printing nozzles, respectively, and the dark color printing mode is associated with only the dark color reverse white printing mode and the dark color normal printing mode, and the light color printing mode is associated with only the light color reverse white printing mode and the light color normal printing mode.
5. The printing method according to claim 1, wherein the dark-reversed printing mode and the light-reversed printing mode are directly executable by manual presetting, and the manual presetting printing mode is preferentially executed.
6. A printing system applying the printing method of the two-color cartridge automatic color selection according to any one of claims 1 to 5, the printing system comprising:
the image acquisition module is used for acquiring appearance data of an appearance surface of the printing medium;
the image analysis module is used for detecting and analyzing the brightness data of the acquired appearance data;
the optical density detection module is used for detecting and analyzing the brightness data of the appearance data and obtaining an optical density numerical value corresponding to the brightness data;
and the printing module selects a proper printing mode according to the optical density value to print.
7. The printing system of claim 6, wherein the optical density detection module comprises a photo resistor, a photo diode, and an A/D converter.
8. The printing system of claim 6, wherein the printing module further comprises a content input unit and a nozzle control unit, the content input unit is a human-computer interface and is used for editing printing content, the nozzle control unit is used for corresponding printing modes to nozzles, and each nozzle corresponds to at least one printing mode.
9. The printing system according to claim 8, wherein the content input unit has a manual editing function for editing a print mode indicated by the execution manual instruction.
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| CN201811332900.0A CN109367264B (en) | 2018-11-09 | 2018-11-09 | Printing method and system for automatically selecting colors of double-color ink box |
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| CN201811332900.0A CN109367264B (en) | 2018-11-09 | 2018-11-09 | Printing method and system for automatically selecting colors of double-color ink box |
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| CN109367264B true CN109367264B (en) | 2020-07-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7466445B2 (en) * | 2003-07-14 | 2008-12-16 | Toshiba Corporation | Color and density calibration of color printers |
| JP4078264B2 (en) * | 2003-07-30 | 2008-04-23 | キヤノン株式会社 | Image processing apparatus and method |
| KR20060094748A (en) * | 2005-02-25 | 2006-08-30 | 삼성전자주식회사 | Method and apparatus for measuring optical density of printed image |
| FR2934809A1 (en) * | 2008-08-11 | 2010-02-12 | Imaje Sa | INJECTOR INJECTOR INK JET PRINTING DEVICE, AIR INJECTOR, AND LARGE-WIDE PRINT HEAD |
| JP5618496B2 (en) * | 2009-04-28 | 2014-11-05 | キヤノン株式会社 | Inkjet recording apparatus and inkjet recording method |
| CN103342053B (en) * | 2013-05-31 | 2015-12-23 | 深圳劲嘉彩印集团股份有限公司 | A kind of Quick Response Code based on image, Quick Response Code generation system and generation method |
| CN104842668B (en) * | 2015-06-11 | 2017-03-01 | 上海威侃电子材料有限公司 | A kind of print system control method |
| CN106938572B (en) * | 2017-03-05 | 2018-05-29 | 福州图腾易讯信息技术有限公司 | A kind of Quick Response Code generation system and recognition methods |
| CN108090540B (en) * | 2017-12-23 | 2021-08-17 | 黄燕云 | Two-dimensional code generation system |
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Address after: 519070 area B, 2nd floor, factory building, 115 Huawei Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Bencai Electronics Co.,Ltd. Address before: 519070 area B, 2nd floor, factory building, 115 Huawei Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI BENTSAI PRINTING TECHNOLOGY Co.,Ltd. |
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