CN114379234B - Oneeglass printing abnormal nozzle compensation method, device, equipment and storage medium - Google Patents
Oneeglass printing abnormal nozzle compensation method, device, equipment and storage medium Download PDFInfo
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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
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16579—Detection means therefor, e.g. for nozzle clogging
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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
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
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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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- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
- B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads
Abstract
The invention belongs to the technical field of industrial ink-jet printing, and solves the technical problem that when Oneepass printing is carried out in the prior art, images printed by abnormal nozzles with abnormal nozzles have drawn wires and white marks, so that the quality of the printed images is influenced. The invention provides a compensation method, a device, equipment and a storage medium for an abnormal nozzle in Oneepass printing. The method comprises the steps of reducing the curing rate of a target curing light source corresponding to the abnormal spray head, and curing ink on the printing medium by the curing light source according to the actual curing rate. The invention also comprises a device, an apparatus and a storage medium for carrying out the above method. According to the invention, by reducing the curing rate of the target curing light source corresponding to the abnormal nozzle, in the actual printing process, after the ink in the adjacent area is fully diffused to the printing area corresponding to the abnormal nozzle, the curing light source can complete the complete curing of the ink, so that the printing resources are not required to be additionally increased, and the quality of the printed image is ensured.
Description
Technical Field
The invention relates to the technical field of industrial inkjet printing, in particular to a compensation method, device, equipment and storage medium for an abnormal nozzle in Oneepass printing.
Background
Ink jet printing refers to a printing technique in which ink droplets are ejected through orifices in a nozzle onto a print medium to obtain an image or text. Onepass ink jet printing technique is a high-speed printing technique in the present ink jet printing field, onepass ink jet printing technique is with a plurality of shower nozzles end to end connection formation shower nozzle group, this shower nozzle group can cover whole image of waiting to print, wait to print the image and just can accomplish the printing through scanning once, have fast, efficient characteristics, as shown in figure 1, for Onepass ink jet printing's shower nozzle installation schematic diagram, shower nozzle group 1 is equipped with a plurality of shower nozzles, be 1 st shower nozzle, 2 nd shower nozzle … … nth shower nozzle respectively, when printing, print medium moves along X direction relative shower nozzle group 1.
After the sprayer works for a long time, due to ink path pollution, ink precipitation, dust, water vapor and the like, abnormal spray hole states of the sprayer are easily caused, such as blockage, oblique spraying, weakness, insufficient ink amount and the like, when the abnormal nozzle is adopted for printing, the problems of wire drawing, white leaving and the like exist in printed images, and the quality of the printed images is reduced.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, a device and a storage medium for compensating an abnormal nozzle in Onepass printing, so as to solve the technical problem in the prior art that in the Onepass printing process, when an abnormal nozzle exists, a printed image has stringiness and white marks, which results in poor quality of the printed image.
The technical scheme adopted by the invention is as follows:
the invention provides a compensation method for an abnormal nozzle in Oneepass printing, which is characterized by comprising the following steps:
s1: acquiring abnormal position information of an abnormal spray head in a spray head group, wherein the abnormal spray head is a spray head comprising at least one abnormal spray nozzle;
s2: determining a target curing light source corresponding to the abnormal sprayer in curing light sources according to the abnormal position information;
s3: reducing the curing rate of the target curing light source to the ink in the printing area corresponding to the abnormal nozzle to obtain the actual curing rate of the target curing light source;
s4: and in the printing process, curing the ink sprayed by the abnormal spray head in the corresponding printing area on the printing medium according to the actual curing rate.
Preferably, the S2 includes:
s21: acquiring light source position information of each curing sub-light source in the curing light source, which corresponds to each spray head in the spray head group one by one;
s22: and recording the curing sub-light source represented by the light source position information corresponding to the abnormal position information as the target curing light source.
Preferably, the S3 includes:
s301: acquiring the curing power of the target curing light source;
s302: and reducing the curing power of the target curing light source to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
Preferably, the S3 includes:
s311: acquiring the light irradiation distance between the target curing light source and a printing medium;
s312: and increasing the light irradiation distance between the target curing light source and the printing medium to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
Preferably, the S4 further includes:
increasing the ink output concentration of the printing data corresponding to the adjacent nozzle of the abnormal nozzle to obtain the actual printing data corresponding to the adjacent nozzle;
wherein if the ink discharge density of the print data corresponding to the adjacent nozzle of the abnormal nozzle is 0 or 100%, the ink discharge density of the print data corresponding to the adjacent nozzle is not increased.
Preferably, the S1 includes:
s101: detecting the ink jetting state of the nozzles of each sprayer through a sensor to obtain the detection information of the nozzles in each sprayer;
s102: and obtaining abnormal position information of the abnormal nozzle with the abnormal nozzle according to the abnormal information in the detection information.
Preferably, the S1 includes:
s111: acquiring nozzle position information of each spray head;
s112: according to the nozzle position information of each spray head, printing test data with the nozzle position information capable of identifying each spray head is produced;
s113: controlling the nozzle group to perform ink jet test printing according to the printing test data to obtain a test sample drawing;
s114: and identifying the nozzle position information of each spray head in the test sample drawing to obtain the abnormal position information of the abnormal spray head with the abnormal nozzle.
The present invention also provides a printing apparatus, comprising:
an abnormal position acquisition module: the abnormal spray head group management system is used for acquiring abnormal position information of an abnormal spray head in a spray head group, wherein the abnormal spray head comprises at least one abnormal spray nozzle;
a curing light source determination module: the target curing light source corresponding to the abnormal spray head in the curing light sources is determined according to the abnormal position information;
a curing rate adjustment module: the curing rate of the ink of the printing area corresponding to the abnormal nozzle by the target curing light source is reduced, and the actual curing rate of the target curing light source is obtained;
an ink curing module: and the curing device is used for curing the ink sprayed by the abnormal spray head in the corresponding printing area on the printing medium according to the actual curing rate in the printing process.
The present invention also provides a printing apparatus comprising: at least one processor, at least one memory, and computer program instructions stored in the memory that, when executed by the processor, implement the method of any of the above.
The present invention also provides a storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of any one of the above.
In conclusion, the beneficial effects of the invention are as follows:
the invention provides a compensation method, a device, equipment and a storage medium for an abnormal nozzle in Oneepass printing; in the Onepass printing process, corresponding curing light sources are respectively arranged on all spray heads in the spray head group; when the abnormal nozzle exists, reducing the curing rate of the target curing light source corresponding to the abnormal nozzle where the abnormal nozzle is located; therefore, the ink in the adjacent area can be diffused to the printing position of the abnormal nozzle, the quality of the printed image is ensured, the service life of the spray head can be prolonged, and the cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without any creative effort, other drawings may be obtained according to the drawings, and these drawings are all within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a nozzle group for Onepass printing in the background art of the present invention;
FIG. 2 is a schematic flow chart of a compensation method for abnormal nozzles in Oneepass printing according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of each head and curing light source in the head group according to example 1 of the present invention;
FIG. 4 is a schematic view of a process for determining a target curing light source in example 1 of the present invention;
FIG. 5 is a schematic structural view of a target curing light source in example 1 of the present invention;
FIG. 6 is a schematic view of the process for determining the actual curing rate by the curing power in example 1 of the present invention;
FIG. 7 is a schematic view showing a flow of determining an actual curing rate by irradiation distance in example 1 of the present invention;
fig. 8 is a schematic flowchart of directly acquiring abnormal position information according to embodiment 1 of the present invention;
fig. 9 is a schematic flowchart of indirectly acquiring abnormal location information in embodiment 1 of the present invention;
FIG. 10 is a schematic structural view of a printing apparatus in embodiment 2 of the present invention;
fig. 11 is a schematic configuration diagram of a printing apparatus in embodiment 3 of the present invention.
The drawings of fig. 1 to 11 illustrate:
1. a nozzle group; 101. an abnormal nozzle; 2. a curing light source; 201. the target is a curing light source.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. In case of conflict, it is intended that the embodiments of the present invention and the individual features of the embodiments may be combined with each other within the scope of the present invention.
Oneepass printing is also called Single Pass printing, is a technology for forming a printing image by one-time scanning and ink jetting of an ink jet device on a printing medium, and is mainly suitable for small-size rapid printing scenes, such as label printing, logistics printing (two-dimensional code labels), ribbon printing, shopping bag printing, textile cut-parts printing, bottle cap printing, commemorative coin printing and the like; wherein, the ink jet equipment scans an area to be printed by 1Pass.
Example 1:
as shown in fig. 2, is a schematic flow chart of the compensation method for abnormal nozzles in Onepass printing provided in embodiment 1 of the present invention, and the method includes:
s1: acquiring abnormal position information of an abnormal sprayer in a sprayer group, wherein the abnormal sprayer is a sprayer comprising at least one abnormal nozzle;
specifically, the abnormal position information includes the position of the head in the head group 1 where the abnormal nozzle 101 is located. As shown in fig. 5, if the second nozzle of the second head in the left-to-right head group 1 is the abnormal nozzle 101, the second head is the abnormal head.
S2: determining a target curing light source corresponding to the abnormal sprayer in curing light sources according to the abnormal position information;
specifically, for convenience of understanding, the curing device corresponding to each nozzle in the nozzle group 1 is recorded as a curing sub-light source; each spray head corresponds to an independent curing sub-light source, and the curing parameters of any curing sub-light source can be independently adjusted, wherein the curing parameters comprise curing power, the distance between the curing sub-light source and a printing medium, the moving speed of the curing sub-light source and the like. As shown in fig. 3, the curing sub-light sources corresponding to all the nozzles are combined to form a curing light source 2; recording a curing sub-light source corresponding to the nozzle where the abnormal nozzle 101 is located as a target curing light source 201; in one embodiment, the curing light source 2 may be an integral light source which is controlled in a segmented manner, and the light sources of the control segments are movably connected.
S3: reducing the curing rate of the target curing light source to the ink in the printing area corresponding to the abnormal nozzle to obtain the actual curing rate of the target curing light source;
specifically, the ink sprayed on the printing medium by the nozzle needs to be irradiated by the curing light source 2 due to the diffusion property of the ink, so that the ink is hardened on the printing medium; the curing power, the light irradiation distance between the curing light source and the printing medium, and the ink diffusion capacity relative to the printing medium affect the curing rate (curing time corresponding to the curing speed) of the curing light source 2 on the ink; the ink spread to the printing area corresponding to the abnormal nozzle 101 can be sufficiently spread by reducing the curing rate; complete curing of the ink is completed after sufficient diffusion; meanwhile, as the solidification light source 2 is controlled in a segmented manner, the solidification rate of other solidification sub-light sources of the solidification light source 2 to ink sprayed by other spray heads is not influenced, and the effect of printing images is ensured; it should be noted that the curing light source 2 includes the target curing light source 201, and therefore, adjusting the curing rate of the target curing light source 201 substantially adjusts the curing rate of the curing light source 2.
S4: and in the printing process, curing the ink sprayed by the abnormal spray head in the corresponding printing area on the printing medium according to the actual curing rate.
Specifically, during the printing process, since the curing efficiency of the curing sub-light source of the nozzle where the abnormal nozzle 101 is located is reduced, the curing efficiency of the target curing light source 201 on the ink ejected from the nozzle adjacent to the abnormal nozzle 101 is reduced; the ink in the adjacent area can be fully diffused to the printing area corresponding to the abnormal nozzle 101; therefore, the compensation printing and curing of the printing area of the abnormal nozzle 101 are realized, and the quality of the printed image is ensured.
In the Onepass printing abnormal nozzle compensation method in the embodiment 1 of the invention, in the Onepass printing process, corresponding curing light sources are respectively arranged on all spray heads in a spray head group; when an abnormal nozzle exists, reducing the curing rate of the target curing light source corresponding to the abnormal nozzle where the abnormal nozzle is located; therefore, ink in the adjacent area can be diffused to the printing position of the abnormal nozzle, the quality of the printed image is guaranteed, meanwhile, the service life of the spray head can be prolonged, and cost is saved.
In an embodiment, as shown in fig. 4, it is a schematic flow chart of the method for compensating an abnormal nozzle in Onepass printing according to an embodiment of the present invention; the S2 comprises the following steps:
s21: acquiring light source position information of each curing sub-light source in the curing light source, which corresponds to each spray head in the spray head group one by one;
specifically, the position of each curing sub-light source in the curing light source 2 is obtained, and the position of the corresponding nozzle of each curing sub-light source in the nozzle group is determined according to the one-to-one correspondence relationship between each curing sub-light source and each nozzle.
S22: recording the curing sub-light source represented by the light source position information corresponding to the abnormal position information as the target curing light source;
specifically, the curing light source 2 is controlled in a segmented manner according to the number of the nozzles, which can be understood that the curing light source 2 includes a plurality of independent curing sub-light sources corresponding to the respective nozzles one by one, the curing light source 2 corresponding to the nozzle where the abnormal nozzle 101 is located is determined according to the position information of the abnormal nozzle 101, and the curing light source is marked as a target curing light source 201, as shown in fig. 5, the abnormal nozzle 101 is a second nozzle of a second nozzle from left to right, and the target curing light source 201 is a second curing sub-light source from left to right; among them, the curing light source 2 is preferably a UV lamp.
In an embodiment, as shown in fig. 6, it is a schematic flow chart of the method for compensating an abnormal nozzle in Onepass printing according to an embodiment of the present invention; the S3 comprises the following steps:
s301: acquiring the curing power of the target curing light source;
s302: and reducing the curing power of the target curing light source to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
Specifically, by reducing the curing power of the target curing light source, the time required for the ink to complete curing on the printing medium is prolonged, the curing capability of the target curing light source 201 on the ink is reduced, and the ink can be ensured to spread to a farther position on the printing medium. In one embodiment, the diffusion capability of the ink jetted on the printing medium is acquired, and the curing power of the target curing light source is adjusted according to the diffusion capability of the ink. Wherein, the diffusibility is the distance difference between the initial edge position of the ink sprayed on the printing medium by the spray head and the edge position after curing under the initial curing power of the curing light source 2; the greater the distance from the initial edge position to the cured edge position, the greater the diffusion capability.
In an embodiment, as shown in fig. 7, it is a schematic flow chart of the method for compensating an abnormal nozzle in Onepass printing according to an embodiment of the present invention; the S3 comprises the following steps:
s311: acquiring the light irradiation distance between the target curing light source and a printing medium;
specifically, in the ink jetting process of the nozzle to the printing medium, the curing light source 2 moves along the moving ink jetting path of the nozzle; irradiating the ink on the printing medium to harden the ink; setting the curing power of the curing light source 2 according to the diffusion characteristic of the ink relative to the printing medium and the energy required by the hardening of the ink; the curing power of the curing light source 2 is correspondingly adjusted according to the distance between the curing light source 2 and the printing medium (the distance of the printing medium irradiated by the light emitted by the curing light source).
S312: and increasing the light irradiation distance between the target curing light source and the printing medium to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
Specifically, by increasing the light irradiation distance, the curing light source 1 can have larger light energy loss in the process of irradiating the printing medium, so that the light energy for irradiating the ink on the printing medium is reduced, the time required by ink curing is prolonged, and the ink can be fully diffused to the printing area of the abnormal nozzle 101 to be cured.
In one embodiment of the invention, the diffusion capacity of the ink sprayed on the printing medium is also acquired, and the light irradiation distance between the target curing light source and the printing medium is adjusted according to the diffusion capacity of the ink.
In one embodiment, the Oneepass printing abnormal nozzle compensation method provided by the embodiment of the invention; the S4 further includes:
increasing the ink output concentration of the printing data corresponding to the adjacent nozzle of the abnormal nozzle to obtain the actual printing data corresponding to the adjacent nozzle;
however, if the ink discharge density of the print data corresponding to the adjacent nozzle is 0 or 100%, the ink discharge density of the print data corresponding to the adjacent nozzle is not increased.
Specifically, the printing data corresponding to the compensation nozzle is adjusted, specifically, the ink output amount in the printing data is increased; enabling the compensation nozzle to eject more ink on the area of the printing medium corresponding to the compensation nozzle; the ink needs longer curing time under the same curing power, so that the ink in the printing medium area corresponding to the compensation nozzle can be ensured to be diffused to the printing medium area corresponding to the abnormal nozzle 101; wherein the ink discharging density of the print data is not increased if the ink discharging density of the print data of the compensation nozzle is 0 or 100%.
The ink discharging point compensation printing is carried out on the printing position of the abnormal nozzle 101 by taking the adjacent nozzle of the abnormal nozzle 101 as a compensation nozzle, the ink discharging concentration of printing data corresponding to the compensation nozzle is increased, the ink discharging amount of the compensation nozzle at the printing position corresponding to the compensation nozzle is increased, then the ink amount at the position can flow into the printing position of the abnormal nozzle 101, the area of the printing medium corresponding to the abnormal nozzle 101 is ensured to have ink, the color difference between the image color at the abnormal position and the color of the surrounding image is reduced, and the effect of printing the image is ensured.
On one hand:
if the printing data corresponding to the compensation nozzle is ink non-discharge data, the compensation nozzle prints ink discharge data corresponding to the abnormal nozzle 101 at the ink non-discharge position originally corresponding to the compensation nozzle according to the printing data of the abnormal nozzle 101; thereby reducing the blank area of the image and ensuring the effect of printing the image.
On the other hand:
if the printing data of the compensation nozzle is ink output data, increasing the ink output concentration of the printing data of the compensation nozzle, wherein the ink output concentration of the printing data is divided into a first aperture, a second aperture and a third aperture according to the aperture of the nozzle; the ink outlet holes with the first aperture correspond to a first concentration, the ink outlet holes with the second aperture correspond to a second concentration, the ink outlet holes with the third aperture correspond to a third concentration, the first concentration is greater than the second concentration, the second concentration is greater than the third concentration, the first aperture is greater than the second aperture, and the second aperture is greater than the third aperture; for example: adjusting the ink output density of the printing data of the compensation nozzle to be the first density when the ink output density of the printing data of the compensation nozzle is the second density and the ink output density of the printing data of the abnormal nozzle 101 is the second density or the third density; adjusting the ink output density of the printing data of the compensation nozzle to be the first density when the ink output density of the printing data of the compensation nozzle is the first density and the ink output density of the printing data of the abnormal nozzle 101 is the first density or the second density or the third density; adjusting the ink output density of the printing data of the compensation nozzle to be the first density if the ink output density of the printing data of the compensation nozzle is the third density and the ink output density of the printing data of the abnormal nozzle is the second density or the third density; and if the ink discharging density of the print data of the compensation nozzle is the third density and the ink discharging density of the print data of the abnormal nozzle 101 is the third density, the ink discharging density of the print data of the compensation nozzle is adjusted to the second density.
In an embodiment, as shown in fig. 8, it is a schematic flow chart of the method for compensating an abnormal nozzle in Onepass printing according to an embodiment of the present invention; the S1 comprises:
s101: detecting the ink jetting state of the nozzles of each sprayer through a sensor to obtain the detection information of the nozzles in each sprayer;
specifically, all the nozzles of the head are controlled to eject ink simultaneously, or each nozzle of the head is controlled to eject ink sequentially, and whether each nozzle ejects ink is recorded.
S102: and obtaining abnormal position information of the abnormal sprayer with the abnormal nozzle according to the abnormal information in the detection information.
Specifically, the position information of each nozzle is recorded, then the ink jetting state of each nozzle is directly detected through a sensor, whether ink is normally discharged or not is detected, the detected information that ink is not discharged or the ink discharging concentration does not meet the requirement is recorded as abnormal information, a nozzle where the nozzle corresponding to the abnormal information is located is recorded as an abnormal nozzle, and therefore the position information of the abnormal nozzle is obtained.
In one embodiment, as shown in fig. 9, a schematic flow chart of an abnormal nozzle compensation method for Onepass printing according to an embodiment of the present invention is provided; the S1 comprises:
s111: acquiring nozzle position information of each spray head;
specifically, the nozzle position information is the number of nozzles of the corresponding nozzle head, and is expressed by row-column coordinates as: row information and column information.
S112: according to the nozzle position information of each spray head, printing test data with the nozzle position information capable of identifying each spray head is produced;
specifically, test data with independent identification of each nozzle is set, or test data with recognizable change rule of all nozzles are set; taking the example that each nozzle of V nozzles has V jet holes, if the nozzle has no abnormal nozzle, the printed state diagram is represented by V 2 Each line segment is provided with a position mark, namely corresponding to a unique nozzle, and each line segment is formed by independently printing one nozzle.
S113: controlling the nozzle group to perform ink jet test printing according to the printing test data to obtain a test sample drawing;
specifically, the spray head is controlled to perform test printing to obtain a test sample image with nozzle position information; as printed state diagram V 2 Each line segment is provided with a position mark, and each line segment corresponds to a unique nozzle.
S114: and identifying the nozzle position information of each spray head in the test sample drawing to obtain the abnormal position information of the abnormal spray head with the abnormal nozzle.
Specifically, when an abnormal nozzle 101 appears in the nozzle, a line segment is missing in the test sample, the position information of the nozzle corresponding to the position identifier of the missing line segment is the abnormal nozzle 101, the nozzle where the abnormal nozzle 101 is located is the abnormal nozzle, and then the position information of the nozzle in the nozzle group 1 is used as the abnormal position information.
In the method for compensating the abnormal nozzles in Onepass printing in the embodiment 1 of the invention, in the Onepass printing process, corresponding curing light sources are respectively arranged on all spray heads in a spray head group; when the abnormal nozzle exists, reducing the curing rate of the target curing light source corresponding to the abnormal nozzle where the abnormal nozzle is located; therefore, ink in the adjacent area can be diffused to the printing position of the abnormal nozzle, the quality of the printed image is guaranteed, meanwhile, the service life of the spray head can be prolonged, and cost is saved.
Example 2
The present invention also provides a printing apparatus, as shown in fig. 10, including:
an abnormal position acquisition module: the abnormal spray head group management system is used for acquiring abnormal position information of an abnormal spray head in a spray head group, wherein the abnormal spray head comprises at least one abnormal spray nozzle;
a curing light source determination module: the target curing light source corresponding to the abnormal spray head in the curing light sources is determined according to the abnormal position information;
a curing rate adjustment module: the curing rate of the ink of the printing area corresponding to the abnormal nozzle by the target curing light source is reduced, and the actual curing rate of the target curing light source is obtained;
an ink curing module: and the curing device is used for curing the ink sprayed by the abnormal spray head in the corresponding printing area on the printing medium according to the actual curing rate in the printing process.
In the printing device of embodiment 2 of the present invention, in the Onepass printing process, corresponding curing light sources are respectively provided for each nozzle in a nozzle group; when the abnormal nozzle exists, reducing the curing speed of the target curing light source corresponding to the spray head where the abnormal nozzle is located; therefore, the ink diffused to the printing position of the abnormal nozzle can be fully diffused, the quality of the printed image is ensured, the service life of the spray head can be prolonged, and the cost is saved.
In one embodiment, a printing apparatus provided by an embodiment of the present invention; the curing light source determining module comprises:
a light source position information acquisition unit: acquiring light source position information of each curing sub-light source in the curing light source, which corresponds to each spray head in the spray head group one by one;
target curing light source determination unit: recording the curing sub-light source represented by the light source position information corresponding to the abnormal position information as the target curing light source;
wherein the curing light source is a UV lamp.
In one embodiment, a printing apparatus provided by an embodiment of the present invention; the curing rate adjusting module comprises:
a curing power obtaining unit: acquiring the curing power of the target curing light source;
a curing power determination unit: and reducing the curing power of the target curing light source to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
In one embodiment, a printing apparatus provided by an embodiment of the present invention; the curing rate adjusting module comprises:
a distance acquisition unit: acquiring the light irradiation distance between the target curing light source and a printing medium;
a power determination unit: and increasing the light irradiation distance between the target curing light source and the printing medium to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
In one embodiment, a printing apparatus provided by an embodiment of the present invention; the ink curing module comprises:
a print data determination unit: increasing the ink output concentration of the printing data corresponding to the adjacent nozzle of the abnormal nozzle to obtain the actual printing data corresponding to the adjacent nozzle;
however, if the ink discharge density of the print data corresponding to the adjacent nozzle is 0 or 100%, the ink discharge density of the print data corresponding to the adjacent nozzle is not increased.
In one embodiment, a printing apparatus provided by an embodiment of the present invention; the abnormal position acquisition module comprises:
a position acquisition unit: acquiring nozzle position information of nozzles in each spray head;
a detection unit: detecting the ink jetting state of the nozzles of each sprayer through a sensor to obtain the detection information of the nozzles in each sprayer;
a position calibration unit: and obtaining abnormal position information of the abnormal nozzle with the abnormal nozzle according to the abnormal information in the detection information.
In one embodiment, a printing apparatus provided by an embodiment of the present invention; its data acquisition module includes:
a location information unit: acquiring nozzle position information of each spray head;
a test data unit: according to the nozzle position information of each spray head, printing test data with nozzle position information capable of identifying each spray head is manufactured;
a test unit: controlling the nozzle group to perform ink jet test printing according to the printing test data to obtain a test sample drawing;
a test analysis unit: and identifying the nozzle position information of each spray head in the test sample drawing to obtain the abnormal position information of the abnormal spray head with the abnormal nozzle.
In the printing device of embodiment 2 of the present invention, in the Onepass printing process, corresponding curing light sources are respectively provided for each nozzle in a nozzle group; when an abnormal nozzle exists, reducing the curing rate of the target curing light source corresponding to the abnormal nozzle where the abnormal nozzle is located; therefore, the ink in the adjacent area can be diffused to the printing position of the abnormal nozzle, the quality of the printed image is ensured, the service life of the spray head can be prolonged, and the cost is saved.
Example 3:
embodiment 3 of the present invention discloses a printing apparatus, as shown in fig. 11, comprising at least one processor, at least one memory, and computer program instructions stored in the memory.
In particular, the processor may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits that may be configured to implement embodiments of the present invention.
The memory may include mass storage for data or instructions. By way of example, and not limitation, memory may include a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or Universal Serial Bus (USB) Drive or a combination of two or more of these. The memory may include removable or non-removable (or fixed) media, where appropriate. The memory may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory is non-volatile solid-state memory. In a particular embodiment, the memory includes Read Only Memory (ROM). Where appropriate, the ROM may be mask-programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory, or a combination of two or more of these.
The processor reads and executes the computer program instructions stored in the memory to realize the compensation method for the abnormal nozzles in Oneepass printing in any one of the above embodiments 1.
In the Onepass printing process, corresponding curing light sources are respectively arranged on all spray heads in a spray head group; when the abnormal nozzle exists, reducing the curing speed of the target curing light source corresponding to the spray head where the abnormal nozzle is located; therefore, ink diffused to the printing position of the abnormal nozzle can be fully diffused, the quality of printed images is guaranteed, meanwhile, the service life of the spray head can be prolonged, and cost is saved.
In one example, the printing device may also include a communication interface and a bus. The processor, the memory and the communication interface are connected through a bus and complete mutual communication.
The communication interface is mainly used for realizing communication among modules, devices, units and/or equipment in the embodiment of the invention.
The bus includes hardware, software, or both that couple the components of the printing device to one another. By way of example, and not limitation, a bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a Hypertransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a Micro Channel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus or a combination of two or more of these. A bus may include one or more buses, where appropriate. Although specific buses have been described and shown in the embodiments of the invention, any suitable buses or interconnects are contemplated by the invention.
Example 4
In addition, in combination with the compensation method for abnormal nozzles in Onepass printing in embodiment 1, the embodiment of the present invention can be implemented by providing a computer-readable storage medium. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement any one of the Onepass print anomalous nozzle compensation methods of embodiment 1 above.
In summary, the method, the device, the apparatus and the storage medium for compensating an abnormal nozzle in Onepass printing provided by the embodiments of the present invention are provided. In the Onepass printing process, corresponding curing light sources are respectively arranged on all spray heads in a spray head group; when an abnormal nozzle exists, reducing the curing rate of the target curing light source corresponding to the abnormal nozzle where the abnormal nozzle is located; therefore, ink in the adjacent area can be diffused to the printing position of the abnormal nozzle, the quality of the printed image is guaranteed, meanwhile, the service life of the spray head can be prolonged, and cost is saved.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An Oneeglass printing abnormal nozzle compensation method is characterized by comprising the following steps:
s1: acquiring abnormal position information of an abnormal sprayer in a sprayer group, wherein the abnormal sprayer is a sprayer comprising at least one abnormal nozzle;
s2: determining a target curing light source corresponding to the abnormal sprayer in curing light sources according to the abnormal position information;
s3: reducing the curing rate of the target curing light source to the ink in the printing area corresponding to the abnormal nozzle to obtain the actual curing rate of the target curing light source;
s4: in the printing process, curing the ink sprayed by the abnormal nozzle in the corresponding printing area on the printing medium according to the actual curing rate; wherein the S2 comprises:
s21: acquiring light source position information of each curing sub-light source in the curing light source, which corresponds to each spray head in the spray head group one by one;
s22: and recording the curing sub-light source represented by the light source position information corresponding to the abnormal position information as the target curing light source.
2. The Oneeglass printing abnormal nozzle compensation method of claim 1, wherein the S3 comprises:
s301: acquiring the curing power of the target curing light source;
s302: and reducing the curing power of the target curing light source to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
3. The Onepass printing abnormal nozzle compensation method of claim 1, wherein the S3 comprises:
s311: acquiring the light irradiation distance between the target curing light source and a printing medium;
s312: and increasing the light irradiation distance between the target curing light source and the printing medium to reduce the curing speed of the target curing light source, so as to obtain the actual curing speed of the target curing light source.
4. The Oneeglass printing abnormal nozzle compensation method according to any one of claims 1 to 3, wherein the S4 further comprises:
increasing the ink output concentration of the printing data corresponding to the adjacent nozzle of the abnormal nozzle to obtain the actual printing data corresponding to the adjacent nozzle;
wherein if the ink discharge density of the print data corresponding to the adjacent nozzle of the abnormal nozzle is 0 or 100%, the ink discharge density of the print data corresponding to the adjacent nozzle is not increased.
5. The Oneeglass printing abnormal nozzle compensation method of claim 4, wherein the S1 comprises:
s101: detecting the ink jetting state of the nozzles of each sprayer through a sensor to obtain the detection information of the nozzles in each sprayer;
s102: and obtaining abnormal position information of the abnormal sprayer with the abnormal nozzle according to the abnormal information in the detection information.
6. The Oneeglass printing abnormal nozzle compensation method of claim 4, wherein the S1 comprises:
s111: acquiring nozzle position information of each spray head;
s112: according to the nozzle position information of each spray head, printing test data with the nozzle position information capable of identifying each spray head is produced;
s113: controlling the nozzle group to perform ink jet test printing according to the printing test data to obtain a test sample drawing;
s114: and identifying the nozzle position information of each spray head in the test sample drawing to obtain the abnormal position information of the abnormal spray head with the abnormal nozzle.
7. A printing apparatus, comprising:
an abnormal position acquisition module: the abnormal spray head group management system is used for acquiring abnormal position information of an abnormal spray head in a spray head group, wherein the abnormal spray head comprises at least one abnormal spray nozzle;
a curing light source determination module: the target curing light source corresponding to the abnormal spray head in the curing light sources is determined according to the abnormal position information;
a curing rate adjustment module: the curing rate of the target curing light source to the ink in the printing area corresponding to the abnormal nozzle is reduced, and the actual curing rate of the target curing light source is obtained;
an ink curing module: the curing light source determining module is used for curing the ink jetted by the abnormal nozzle in the corresponding printing area on the printing medium according to the actual curing rate in the printing process, and further comprises: the unit is used for acquiring light source position information of all the curing sub-light sources in the curing light sources, which correspond to all the spray heads in the spray head group one by one;
and the unit is used for recording the curing sub-light source represented by the light source position information corresponding to the abnormal position information as the target curing light source.
8. A printing apparatus, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory that, when executed by the processor, implement the method of any of claims 1-6.
9. A storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method of any one of claims 1-6.
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| CN102909964A (en) * | 2011-08-01 | 2013-02-06 | 施乐公司 | Methods, apparatus, and systems for spreading radiation curable gel ink |
| CN110202933A (en) * | 2019-06-20 | 2019-09-06 | 森大（深圳）技术有限公司 | Adjust method, apparatus, equipment and the medium of amount compensation abnormal nozzle out of ink |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100788663B1 (en) * | 2005-05-25 | 2007-12-26 | 삼성전자주식회사 | Method for compensating missing nozzle of ink-jet image forming apparatus |
| JP2013103462A (en) * | 2011-11-16 | 2013-05-30 | Seiko Epson Corp | Image forming apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006088454A (en) * | 2004-09-22 | 2006-04-06 | Konica Minolta Holdings Inc | Image recorder |
| CN102909964A (en) * | 2011-08-01 | 2013-02-06 | 施乐公司 | Methods, apparatus, and systems for spreading radiation curable gel ink |
| CN110202933A (en) * | 2019-06-20 | 2019-09-06 | 森大（深圳）技术有限公司 | Adjust method, apparatus, equipment and the medium of amount compensation abnormal nozzle out of ink |
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Address after: 518000 a201-a301, building a, Sino German European Industrial Demonstration Park, Hangcheng Avenue, guxing community, Xixiang street, Bao'an District, Shenzhen, Guangdong Patentee after: Shenzhen Hansen Software Co.,Ltd. Address before: 1701, 1703, building C6, Hengfeng Industrial City, 739 Zhoushi Road, Hezhou community, Hangcheng street, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN HOSONSOFT Co.,Ltd. |